diff options
Diffstat (limited to 'drivers')
661 files changed, 6375 insertions, 3518 deletions
diff --git a/drivers/acpi/acpi_configfs.c b/drivers/acpi/acpi_configfs.c index 81bfc6197293..f92033661239 100644 --- a/drivers/acpi/acpi_configfs.c +++ b/drivers/acpi/acpi_configfs.c @@ -109,7 +109,7 @@ static ssize_t acpi_table_signature_show(struct config_item *cfg, char *str) if (!h) return -EINVAL; - return sprintf(str, "%.*s\n", ACPI_NAME_SIZE, h->signature); + return sprintf(str, "%.*s\n", ACPI_NAMESEG_SIZE, h->signature); } static ssize_t acpi_table_length_show(struct config_item *cfg, char *str) @@ -170,7 +170,7 @@ static ssize_t acpi_table_asl_compiler_id_show(struct config_item *cfg, if (!h) return -EINVAL; - return sprintf(str, "%.*s\n", ACPI_NAME_SIZE, h->asl_compiler_id); + return sprintf(str, "%.*s\n", ACPI_NAMESEG_SIZE, h->asl_compiler_id); } static ssize_t acpi_table_asl_compiler_revision_show(struct config_item *cfg, diff --git a/drivers/acpi/acpi_dbg.c b/drivers/acpi/acpi_dbg.c index 4a434c23a196..d18246a2a65e 100644 --- a/drivers/acpi/acpi_dbg.c +++ b/drivers/acpi/acpi_dbg.c @@ -390,7 +390,7 @@ again: return size > 0 ? size : ret; } -static int acpi_aml_thread(void *unsed) +static int acpi_aml_thread(void *unused) { acpi_osd_exec_callback function = NULL; void *context; diff --git a/drivers/acpi/acpi_lpat.c b/drivers/acpi/acpi_lpat.c index 2cd9f738812b..43f1b99c86ca 100644 --- a/drivers/acpi/acpi_lpat.c +++ b/drivers/acpi/acpi_lpat.c @@ -22,7 +22,7 @@ * LPAT conversion table * * @lpat_table: the temperature_raw mapping table structure - * @raw: the raw value, used as a key to get the temerature from the + * @raw: the raw value, used as a key to get the temperature from the * above mapping table * * A positive converted temperature value will be returned on success, diff --git a/drivers/acpi/acpi_lpss.c b/drivers/acpi/acpi_lpss.c index 1e2a10a06b9d..cf768608437e 100644 --- a/drivers/acpi/acpi_lpss.c +++ b/drivers/acpi/acpi_lpss.c @@ -1142,8 +1142,8 @@ static struct dev_pm_domain acpi_lpss_pm_domain = { .thaw_noirq = acpi_subsys_thaw_noirq, .poweroff = acpi_subsys_suspend, .poweroff_late = acpi_lpss_suspend_late, - .poweroff_noirq = acpi_subsys_suspend_noirq, - .restore_noirq = acpi_subsys_resume_noirq, + .poweroff_noirq = acpi_lpss_suspend_noirq, + .restore_noirq = acpi_lpss_resume_noirq, .restore_early = acpi_lpss_resume_early, #endif .runtime_suspend = acpi_lpss_runtime_suspend, diff --git a/drivers/acpi/acpica/aclocal.h b/drivers/acpi/acpica/aclocal.h index a2dfbf6b004e..13d513b81589 100644 --- a/drivers/acpi/acpica/aclocal.h +++ b/drivers/acpi/acpica/aclocal.h @@ -293,7 +293,7 @@ acpi_status (*acpi_internal_method) (struct acpi_walk_state * walk_state); * expected_return_btypes - Allowed type(s) for the return value */ struct acpi_name_info { - char name[ACPI_NAME_SIZE]; + char name[ACPI_NAMESEG_SIZE]; u16 argument_list; u8 expected_btypes; }; @@ -370,7 +370,7 @@ typedef acpi_status (*acpi_object_converter) (struct acpi_namespace_node * converted_object); struct acpi_simple_repair_info { - char name[ACPI_NAME_SIZE]; + char name[ACPI_NAMESEG_SIZE]; u32 unexpected_btypes; u32 package_index; acpi_object_converter object_converter; diff --git a/drivers/acpi/acpica/dbexec.c b/drivers/acpi/acpica/dbexec.c index bb43305cb215..4027eaab18a4 100644 --- a/drivers/acpi/acpica/dbexec.c +++ b/drivers/acpi/acpica/dbexec.c @@ -453,7 +453,7 @@ acpi_db_execute(char *name, char **args, acpi_object_type *types, u32 flags) /* Dump a _PLD buffer if present */ - if (ACPI_COMPARE_NAME + if (ACPI_COMPARE_NAMESEG ((ACPI_CAST_PTR (struct acpi_namespace_node, acpi_gbl_db_method_info.method)->name.ascii), diff --git a/drivers/acpi/acpica/dbnames.c b/drivers/acpi/acpica/dbnames.c index 004d34d9369b..63fe30e86807 100644 --- a/drivers/acpi/acpica/dbnames.c +++ b/drivers/acpi/acpica/dbnames.c @@ -354,7 +354,7 @@ acpi_status acpi_db_find_name_in_namespace(char *name_arg) char acpi_name[5] = "____"; char *acpi_name_ptr = acpi_name; - if (strlen(name_arg) > ACPI_NAME_SIZE) { + if (strlen(name_arg) > ACPI_NAMESEG_SIZE) { acpi_os_printf("Name must be no longer than 4 characters\n"); return (AE_OK); } diff --git a/drivers/acpi/acpica/dsinit.c b/drivers/acpi/acpica/dsinit.c index a4a24ffe5fae..4ebd23700bbc 100644 --- a/drivers/acpi/acpica/dsinit.c +++ b/drivers/acpi/acpica/dsinit.c @@ -200,7 +200,7 @@ acpi_ds_initialize_objects(u32 table_index, /* DSDT is always the first AML table */ - if (ACPI_COMPARE_NAME(table->signature, ACPI_SIG_DSDT)) { + if (ACPI_COMPARE_NAMESEG(table->signature, ACPI_SIG_DSDT)) { ACPI_DEBUG_PRINT_RAW((ACPI_DB_INIT, "\nInitializing Namespace objects:\n")); } diff --git a/drivers/acpi/acpica/evgpeinit.c b/drivers/acpi/acpica/evgpeinit.c index c92d2f6ebe01..b04f982e59fa 100644 --- a/drivers/acpi/acpica/evgpeinit.c +++ b/drivers/acpi/acpica/evgpeinit.c @@ -292,7 +292,7 @@ acpi_ev_match_gpe_method(acpi_handle obj_handle, acpi_status status; u32 gpe_number; u8 temp_gpe_number; - char name[ACPI_NAME_SIZE + 1]; + char name[ACPI_NAMESEG_SIZE + 1]; u8 type; ACPI_FUNCTION_TRACE(ev_match_gpe_method); @@ -310,7 +310,7 @@ acpi_ev_match_gpe_method(acpi_handle obj_handle, * 1) Extract the method name and null terminate it */ ACPI_MOVE_32_TO_32(name, &method_node->name.integer); - name[ACPI_NAME_SIZE] = 0; + name[ACPI_NAMESEG_SIZE] = 0; /* 2) Name must begin with an underscore */ diff --git a/drivers/acpi/acpica/exnames.c b/drivers/acpi/acpica/exnames.c index bd68d66e89f0..6b76be5212a4 100644 --- a/drivers/acpi/acpica/exnames.c +++ b/drivers/acpi/acpica/exnames.c @@ -53,10 +53,10 @@ static char *acpi_ex_allocate_name_string(u32 prefix_count, u32 num_name_segs) /* Special case for root */ - size_needed = 1 + (ACPI_NAME_SIZE * num_name_segs) + 2 + 1; + size_needed = 1 + (ACPI_NAMESEG_SIZE * num_name_segs) + 2 + 1; } else { size_needed = - prefix_count + (ACPI_NAME_SIZE * num_name_segs) + 2 + 1; + prefix_count + (ACPI_NAMESEG_SIZE * num_name_segs) + 2 + 1; } /* @@ -141,7 +141,7 @@ static acpi_status acpi_ex_name_segment(u8 ** in_aml_address, char *name_string) } for (index = 0; - (index < ACPI_NAME_SIZE) + (index < ACPI_NAMESEG_SIZE) && (acpi_ut_valid_name_char(*aml_address, 0)); index++) { char_buf[index] = *aml_address++; } diff --git a/drivers/acpi/acpica/nsaccess.c b/drivers/acpi/acpica/nsaccess.c index 75192b958544..7b855603f81a 100644 --- a/drivers/acpi/acpica/nsaccess.c +++ b/drivers/acpi/acpica/nsaccess.c @@ -683,7 +683,7 @@ acpi_ns_lookup(union acpi_generic_state *scope_info, /* Point to next name segment and make this node current */ - path += ACPI_NAME_SIZE; + path += ACPI_NAMESEG_SIZE; current_node = this_node; } diff --git a/drivers/acpi/acpica/nsalloc.c b/drivers/acpi/acpica/nsalloc.c index 5470213b8e64..6eb63db72249 100644 --- a/drivers/acpi/acpica/nsalloc.c +++ b/drivers/acpi/acpica/nsalloc.c @@ -74,6 +74,10 @@ void acpi_ns_delete_node(struct acpi_namespace_node *node) ACPI_FUNCTION_NAME(ns_delete_node); + if (!node) { + return_VOID; + } + /* Detach an object if there is one */ acpi_ns_detach_object(node); diff --git a/drivers/acpi/acpica/nsdump.c b/drivers/acpi/acpica/nsdump.c index 15070bd0c28a..1b12c172e115 100644 --- a/drivers/acpi/acpica/nsdump.c +++ b/drivers/acpi/acpica/nsdump.c @@ -70,7 +70,7 @@ void acpi_ns_print_pathname(u32 num_segments, const char *pathname) acpi_os_printf("?"); } - pathname += ACPI_NAME_SIZE; + pathname += ACPI_NAMESEG_SIZE; num_segments--; if (num_segments) { acpi_os_printf("."); diff --git a/drivers/acpi/acpica/nsinit.c b/drivers/acpi/acpica/nsinit.c index 19fb8dda870f..53e5d00d3a5e 100644 --- a/drivers/acpi/acpica/nsinit.c +++ b/drivers/acpi/acpica/nsinit.c @@ -478,7 +478,7 @@ acpi_ns_find_ini_methods(acpi_handle obj_handle, /* We are only looking for methods named _INI */ - if (!ACPI_COMPARE_NAME(node->name.ascii, METHOD_NAME__INI)) { + if (!ACPI_COMPARE_NAMESEG(node->name.ascii, METHOD_NAME__INI)) { return (AE_OK); } @@ -641,7 +641,7 @@ acpi_ns_init_one_device(acpi_handle obj_handle, * Note: We know there is an _INI within this subtree, but it may not be * under this particular device, it may be lower in the branch. */ - if (!ACPI_COMPARE_NAME(device_node->name.ascii, "_SB_") || + if (!ACPI_COMPARE_NAMESEG(device_node->name.ascii, "_SB_") || device_node->parent != acpi_gbl_root_node) { ACPI_DEBUG_EXEC(acpi_ut_display_init_pathname (ACPI_TYPE_METHOD, device_node, diff --git a/drivers/acpi/acpica/nsnames.c b/drivers/acpi/acpica/nsnames.c index 289c15bb8c6a..370bbc867745 100644 --- a/drivers/acpi/acpica/nsnames.c +++ b/drivers/acpi/acpica/nsnames.c @@ -108,8 +108,8 @@ acpi_ns_handle_to_name(acpi_handle target_handle, struct acpi_buffer *buffer) /* Just copy the ACPI name from the Node and zero terminate it */ node_name = acpi_ut_get_node_name(node); - ACPI_MOVE_NAME(buffer->pointer, node_name); - ((char *)buffer->pointer)[ACPI_NAME_SIZE] = 0; + ACPI_COPY_NAMESEG(buffer->pointer, node_name); + ((char *)buffer->pointer)[ACPI_NAMESEG_SIZE] = 0; ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "%4.4s\n", (char *)buffer->pointer)); return_ACPI_STATUS(AE_OK); @@ -198,7 +198,7 @@ acpi_ns_build_normalized_path(struct acpi_namespace_node *node, char *full_path, u32 path_size, u8 no_trailing) { u32 length = 0, i; - char name[ACPI_NAME_SIZE]; + char name[ACPI_NAMESEG_SIZE]; u8 do_no_trailing; char c, *left, *right; struct acpi_namespace_node *next_node; @@ -446,7 +446,7 @@ static void acpi_ns_normalize_pathname(char *original_path) /* Do one nameseg at a time */ - for (i = 0; (i < ACPI_NAME_SIZE) && *input_path; i++) { + for (i = 0; (i < ACPI_NAMESEG_SIZE) && *input_path; i++) { if ((i == 0) || (*input_path != '_')) { /* First char is allowed to be underscore */ *new_path = *input_path; new_path++; diff --git a/drivers/acpi/acpica/nsobject.c b/drivers/acpi/acpica/nsobject.c index 8638f43cfc3d..79d86da1c892 100644 --- a/drivers/acpi/acpica/nsobject.c +++ b/drivers/acpi/acpica/nsobject.c @@ -186,6 +186,10 @@ void acpi_ns_detach_object(struct acpi_namespace_node *node) } } + if (obj_desc->common.type == ACPI_TYPE_REGION) { + acpi_ut_remove_address_range(obj_desc->region.space_id, node); + } + /* Clear the Node entry in all cases */ node->object = NULL; diff --git a/drivers/acpi/acpica/nsparse.c b/drivers/acpi/acpica/nsparse.c index c0b4f7bedfab..f16cf5e4742c 100644 --- a/drivers/acpi/acpica/nsparse.c +++ b/drivers/acpi/acpica/nsparse.c @@ -203,7 +203,7 @@ acpi_ns_one_complete_parse(u32 pass_number, /* Found OSDT table, enable the namespace override feature */ - if (ACPI_COMPARE_NAME(table->signature, ACPI_SIG_OSDT) && + if (ACPI_COMPARE_NAMESEG(table->signature, ACPI_SIG_OSDT) && pass_number == ACPI_IMODE_LOAD_PASS1) { walk_state->namespace_override = TRUE; } diff --git a/drivers/acpi/acpica/nsrepair.c b/drivers/acpi/acpica/nsrepair.c index 0aacfa48e20d..be86fea8e4d4 100644 --- a/drivers/acpi/acpica/nsrepair.c +++ b/drivers/acpi/acpica/nsrepair.c @@ -316,7 +316,7 @@ static const struct acpi_simple_repair_info *acpi_ns_match_simple_repair(struct this_name = acpi_object_repair_info; while (this_name->object_converter) { - if (ACPI_COMPARE_NAME(node->name.ascii, this_name->name)) { + if (ACPI_COMPARE_NAMESEG(node->name.ascii, this_name->name)) { /* Check if we can actually repair this name/type combination */ diff --git a/drivers/acpi/acpica/nsrepair2.c b/drivers/acpi/acpica/nsrepair2.c index d5804a6d1d65..8d776256b213 100644 --- a/drivers/acpi/acpica/nsrepair2.c +++ b/drivers/acpi/acpica/nsrepair2.c @@ -25,7 +25,7 @@ acpi_status (*acpi_repair_function) (struct acpi_evaluate_info * info, return_object_ptr); typedef struct acpi_repair_info { - char name[ACPI_NAME_SIZE]; + char name[ACPI_NAMESEG_SIZE]; acpi_repair_function repair_function; } acpi_repair_info; @@ -188,7 +188,7 @@ static const struct acpi_repair_info *acpi_ns_match_complex_repair(struct this_name = acpi_ns_repairable_names; while (this_name->repair_function) { - if (ACPI_COMPARE_NAME(node->name.ascii, this_name->name)) { + if (ACPI_COMPARE_NAMESEG(node->name.ascii, this_name->name)) { return (this_name); } diff --git a/drivers/acpi/acpica/nsutils.c b/drivers/acpi/acpica/nsutils.c index e5cef1edf49f..6bc90d46db5c 100644 --- a/drivers/acpi/acpica/nsutils.c +++ b/drivers/acpi/acpica/nsutils.c @@ -178,7 +178,7 @@ void acpi_ns_get_internal_name_length(struct acpi_namestring_info *info) } } - info->length = (ACPI_NAME_SIZE * info->num_segments) + + info->length = (ACPI_NAMESEG_SIZE * info->num_segments) + 4 + info->num_carats; info->next_external_char = next_external_char; @@ -249,7 +249,7 @@ acpi_status acpi_ns_build_internal_name(struct acpi_namestring_info *info) /* Build the name (minus path separators) */ for (; num_segments; num_segments--) { - for (i = 0; i < ACPI_NAME_SIZE; i++) { + for (i = 0; i < ACPI_NAMESEG_SIZE; i++) { if (ACPI_IS_PATH_SEPARATOR(*external_name) || (*external_name == 0)) { @@ -274,7 +274,7 @@ acpi_status acpi_ns_build_internal_name(struct acpi_namestring_info *info) /* Move on the next segment */ external_name++; - result += ACPI_NAME_SIZE; + result += ACPI_NAMESEG_SIZE; } /* Terminate the string */ @@ -489,12 +489,12 @@ acpi_ns_externalize_name(u32 internal_name_length, /* Copy and validate the 4-char name segment */ - ACPI_MOVE_NAME(&(*converted_name)[j], - &internal_name[names_index]); + ACPI_COPY_NAMESEG(&(*converted_name)[j], + &internal_name[names_index]); acpi_ut_repair_name(&(*converted_name)[j]); - j += ACPI_NAME_SIZE; - names_index += ACPI_NAME_SIZE; + j += ACPI_NAMESEG_SIZE; + names_index += ACPI_NAMESEG_SIZE; } } diff --git a/drivers/acpi/acpica/nsxfname.c b/drivers/acpi/acpica/nsxfname.c index de2d3135d6a9..55b4a5b3331f 100644 --- a/drivers/acpi/acpica/nsxfname.c +++ b/drivers/acpi/acpica/nsxfname.c @@ -495,8 +495,8 @@ acpi_status acpi_install_method(u8 *buffer) /* Table must be a DSDT or SSDT */ - if (!ACPI_COMPARE_NAME(table->signature, ACPI_SIG_DSDT) && - !ACPI_COMPARE_NAME(table->signature, ACPI_SIG_SSDT)) { + if (!ACPI_COMPARE_NAMESEG(table->signature, ACPI_SIG_DSDT) && + !ACPI_COMPARE_NAMESEG(table->signature, ACPI_SIG_SSDT)) { return (AE_BAD_HEADER); } diff --git a/drivers/acpi/acpica/psargs.c b/drivers/acpi/acpica/psargs.c index 9d9d442cd999..e62c7897fdf1 100644 --- a/drivers/acpi/acpica/psargs.c +++ b/drivers/acpi/acpica/psargs.c @@ -150,21 +150,21 @@ char *acpi_ps_get_next_namestring(struct acpi_parse_state *parser_state) /* Two name segments */ - end += 1 + (2 * ACPI_NAME_SIZE); + end += 1 + (2 * ACPI_NAMESEG_SIZE); break; case AML_MULTI_NAME_PREFIX: /* Multiple name segments, 4 chars each, count in next byte */ - end += 2 + (*(end + 1) * ACPI_NAME_SIZE); + end += 2 + (*(end + 1) * ACPI_NAMESEG_SIZE); break; default: /* Single name segment */ - end += ACPI_NAME_SIZE; + end += ACPI_NAMESEG_SIZE; break; } @@ -522,7 +522,7 @@ static union acpi_parse_object *acpi_ps_get_next_field(struct acpi_parse_state ACPI_MOVE_32_TO_32(&name, parser_state->aml); acpi_ps_set_name(field, name); - parser_state->aml += ACPI_NAME_SIZE; + parser_state->aml += ACPI_NAMESEG_SIZE; ASL_CV_CAPTURE_COMMENTS_ONLY(parser_state); diff --git a/drivers/acpi/acpica/rsxface.c b/drivers/acpi/acpica/rsxface.c index 1d6f136e4068..c62be3d91712 100644 --- a/drivers/acpi/acpica/rsxface.c +++ b/drivers/acpi/acpica/rsxface.c @@ -603,10 +603,10 @@ acpi_walk_resources(acpi_handle device_handle, /* Parameter validation */ if (!device_handle || !user_function || !name || - (!ACPI_COMPARE_NAME(name, METHOD_NAME__CRS) && - !ACPI_COMPARE_NAME(name, METHOD_NAME__PRS) && - !ACPI_COMPARE_NAME(name, METHOD_NAME__AEI) && - !ACPI_COMPARE_NAME(name, METHOD_NAME__DMA))) { + (!ACPI_COMPARE_NAMESEG(name, METHOD_NAME__CRS) && + !ACPI_COMPARE_NAMESEG(name, METHOD_NAME__PRS) && + !ACPI_COMPARE_NAMESEG(name, METHOD_NAME__AEI) && + !ACPI_COMPARE_NAMESEG(name, METHOD_NAME__DMA))) { return_ACPI_STATUS(AE_BAD_PARAMETER); } diff --git a/drivers/acpi/acpica/tbdata.c b/drivers/acpi/acpica/tbdata.c index 0cecd0039acf..933f81316ad2 100644 --- a/drivers/acpi/acpica/tbdata.c +++ b/drivers/acpi/acpica/tbdata.c @@ -480,7 +480,8 @@ acpi_tb_verify_temp_table(struct acpi_table_desc *table_desc, /* If a particular signature is expected (DSDT/FACS), it must match */ - if (signature && !ACPI_COMPARE_NAME(&table_desc->signature, signature)) { + if (signature && + !ACPI_COMPARE_NAMESEG(&table_desc->signature, signature)) { ACPI_BIOS_ERROR((AE_INFO, "Invalid signature 0x%X for ACPI table, expected [%s]", table_desc->signature.integer, signature)); diff --git a/drivers/acpi/acpica/tbfind.c b/drivers/acpi/acpica/tbfind.c index 951bd8e1c50a..b2abb40023a6 100644 --- a/drivers/acpi/acpica/tbfind.c +++ b/drivers/acpi/acpica/tbfind.c @@ -56,7 +56,7 @@ acpi_tb_find_table(char *signature, /* Normalize the input strings */ memset(&header, 0, sizeof(struct acpi_table_header)); - ACPI_MOVE_NAME(header.signature, signature); + ACPI_COPY_NAMESEG(header.signature, signature); strncpy(header.oem_id, oem_id, ACPI_OEM_ID_SIZE); strncpy(header.oem_table_id, oem_table_id, ACPI_OEM_TABLE_ID_SIZE); @@ -65,7 +65,7 @@ acpi_tb_find_table(char *signature, (void)acpi_ut_acquire_mutex(ACPI_MTX_TABLES); for (i = 0; i < acpi_gbl_root_table_list.current_table_count; ++i) { if (memcmp(&(acpi_gbl_root_table_list.tables[i].signature), - header.signature, ACPI_NAME_SIZE)) { + header.signature, ACPI_NAMESEG_SIZE)) { /* Not the requested table */ @@ -94,14 +94,14 @@ acpi_tb_find_table(char *signature, if (!memcmp (acpi_gbl_root_table_list.tables[i].pointer->signature, - header.signature, ACPI_NAME_SIZE) && (!oem_id[0] - || - !memcmp - (acpi_gbl_root_table_list. - tables[i].pointer-> - oem_id, - header.oem_id, - ACPI_OEM_ID_SIZE)) + header.signature, ACPI_NAMESEG_SIZE) && (!oem_id[0] + || + !memcmp + (acpi_gbl_root_table_list. + tables[i]. + pointer->oem_id, + header.oem_id, + ACPI_OEM_ID_SIZE)) && (!oem_table_id[0] || !memcmp(acpi_gbl_root_table_list.tables[i].pointer-> oem_table_id, header.oem_table_id, diff --git a/drivers/acpi/acpica/tbinstal.c b/drivers/acpi/acpica/tbinstal.c index be6642bf6366..ef1ffd36ab3f 100644 --- a/drivers/acpi/acpica/tbinstal.c +++ b/drivers/acpi/acpica/tbinstal.c @@ -120,7 +120,7 @@ acpi_tb_install_standard_table(acpi_physical_address address, */ if (!reload && acpi_gbl_disable_ssdt_table_install && - ACPI_COMPARE_NAME(&new_table_desc.signature, ACPI_SIG_SSDT)) { + ACPI_COMPARE_NAMESEG(&new_table_desc.signature, ACPI_SIG_SSDT)) { ACPI_INFO(("Ignoring installation of %4.4s at %8.8X%8.8X", new_table_desc.signature.ascii, ACPI_FORMAT_UINT64(address))); diff --git a/drivers/acpi/acpica/tbprint.c b/drivers/acpi/acpica/tbprint.c index 9b5df95d881b..4764f849cb78 100644 --- a/drivers/acpi/acpica/tbprint.c +++ b/drivers/acpi/acpica/tbprint.c @@ -69,10 +69,10 @@ acpi_tb_cleanup_table_header(struct acpi_table_header *out_header, memcpy(out_header, header, sizeof(struct acpi_table_header)); - acpi_tb_fix_string(out_header->signature, ACPI_NAME_SIZE); + acpi_tb_fix_string(out_header->signature, ACPI_NAMESEG_SIZE); acpi_tb_fix_string(out_header->oem_id, ACPI_OEM_ID_SIZE); acpi_tb_fix_string(out_header->oem_table_id, ACPI_OEM_TABLE_ID_SIZE); - acpi_tb_fix_string(out_header->asl_compiler_id, ACPI_NAME_SIZE); + acpi_tb_fix_string(out_header->asl_compiler_id, ACPI_NAMESEG_SIZE); } /******************************************************************************* @@ -94,7 +94,7 @@ acpi_tb_print_table_header(acpi_physical_address address, { struct acpi_table_header local_header; - if (ACPI_COMPARE_NAME(header->signature, ACPI_SIG_FACS)) { + if (ACPI_COMPARE_NAMESEG(header->signature, ACPI_SIG_FACS)) { /* FACS only has signature and length fields */ @@ -158,8 +158,8 @@ acpi_status acpi_tb_verify_checksum(struct acpi_table_header *table, u32 length) * They are the odd tables, have no standard ACPI header and no checksum */ - if (ACPI_COMPARE_NAME(table->signature, ACPI_SIG_S3PT) || - ACPI_COMPARE_NAME(table->signature, ACPI_SIG_FACS)) { + if (ACPI_COMPARE_NAMESEG(table->signature, ACPI_SIG_S3PT) || + ACPI_COMPARE_NAMESEG(table->signature, ACPI_SIG_FACS)) { return (AE_OK); } diff --git a/drivers/acpi/acpica/tbutils.c b/drivers/acpi/acpica/tbutils.c index 2469e01310e2..c5f0b8ec70cc 100644 --- a/drivers/acpi/acpica/tbutils.c +++ b/drivers/acpi/acpica/tbutils.c @@ -332,9 +332,9 @@ acpi_tb_parse_root_table(acpi_physical_address rsdp_address) &table_index); if (ACPI_SUCCESS(status) && - ACPI_COMPARE_NAME(&acpi_gbl_root_table_list. - tables[table_index].signature, - ACPI_SIG_FADT)) { + ACPI_COMPARE_NAMESEG(&acpi_gbl_root_table_list. + tables[table_index].signature, + ACPI_SIG_FADT)) { acpi_gbl_fadt_index = table_index; acpi_tb_parse_fadt(); } diff --git a/drivers/acpi/acpica/tbxface.c b/drivers/acpi/acpica/tbxface.c index 36592888f0e7..1640685bf4ae 100644 --- a/drivers/acpi/acpica/tbxface.c +++ b/drivers/acpi/acpica/tbxface.c @@ -230,7 +230,7 @@ acpi_get_table_header(char *signature, for (i = 0, j = 0; i < acpi_gbl_root_table_list.current_table_count; i++) { - if (!ACPI_COMPARE_NAME + if (!ACPI_COMPARE_NAMESEG (&(acpi_gbl_root_table_list.tables[i].signature), signature)) { continue; @@ -323,7 +323,7 @@ acpi_get_table(char *signature, i++) { table_desc = &acpi_gbl_root_table_list.tables[i]; - if (!ACPI_COMPARE_NAME(&table_desc->signature, signature)) { + if (!ACPI_COMPARE_NAMESEG(&table_desc->signature, signature)) { continue; } diff --git a/drivers/acpi/acpica/tbxfload.c b/drivers/acpi/acpica/tbxfload.c index 1a2592cc3245..4f30f06a6f78 100644 --- a/drivers/acpi/acpica/tbxfload.c +++ b/drivers/acpi/acpica/tbxfload.c @@ -118,7 +118,7 @@ acpi_status acpi_tb_load_namespace(void) table = &acpi_gbl_root_table_list.tables[acpi_gbl_dsdt_index]; if (!acpi_gbl_root_table_list.current_table_count || - !ACPI_COMPARE_NAME(table->signature.ascii, ACPI_SIG_DSDT) || + !ACPI_COMPARE_NAMESEG(table->signature.ascii, ACPI_SIG_DSDT) || ACPI_FAILURE(acpi_tb_validate_table(table))) { status = AE_NO_ACPI_TABLES; goto unlock_and_exit; @@ -170,11 +170,12 @@ acpi_status acpi_tb_load_namespace(void) table = &acpi_gbl_root_table_list.tables[i]; if (!table->address || - (!ACPI_COMPARE_NAME(table->signature.ascii, ACPI_SIG_SSDT) - && !ACPI_COMPARE_NAME(table->signature.ascii, - ACPI_SIG_PSDT) - && !ACPI_COMPARE_NAME(table->signature.ascii, - ACPI_SIG_OSDT)) + (!ACPI_COMPARE_NAMESEG + (table->signature.ascii, ACPI_SIG_SSDT) + && !ACPI_COMPARE_NAMESEG(table->signature.ascii, + ACPI_SIG_PSDT) + && !ACPI_COMPARE_NAMESEG(table->signature.ascii, + ACPI_SIG_OSDT)) || ACPI_FAILURE(acpi_tb_validate_table(table))) { continue; } @@ -364,7 +365,7 @@ acpi_status acpi_unload_parent_table(acpi_handle object) * only these types can contain AML and thus are the only types * that can create namespace objects. */ - if (ACPI_COMPARE_NAME + if (ACPI_COMPARE_NAMESEG (acpi_gbl_root_table_list.tables[i].signature.ascii, ACPI_SIG_DSDT)) { status = AE_TYPE; diff --git a/drivers/acpi/acpica/utascii.c b/drivers/acpi/acpica/utascii.c index 79d7426fd7bf..f6cd7d4f698b 100644 --- a/drivers/acpi/acpica/utascii.c +++ b/drivers/acpi/acpica/utascii.c @@ -30,7 +30,7 @@ u8 acpi_ut_valid_nameseg(char *name) /* Validate each character in the signature */ - for (i = 0; i < ACPI_NAME_SIZE; i++) { + for (i = 0; i < ACPI_NAMESEG_SIZE; i++) { if (!acpi_ut_valid_name_char(name[i], i)) { return (FALSE); } diff --git a/drivers/acpi/acpica/utdecode.c b/drivers/acpi/acpica/utdecode.c index ad9f77eb554f..65beaa237669 100644 --- a/drivers/acpi/acpica/utdecode.c +++ b/drivers/acpi/acpica/utdecode.c @@ -78,7 +78,7 @@ const char *acpi_gbl_region_types[ACPI_NUM_PREDEFINED_REGIONS] = { "IPMI", /* 0x07 */ "GeneralPurposeIo", /* 0x08 */ "GenericSerialBus", /* 0x09 */ - "PCC" /* 0x0A */ + "PlatformCommChannel" /* 0x0A */ }; const char *acpi_ut_get_region_name(u8 space_id) @@ -239,7 +239,7 @@ const char *acpi_ut_get_node_name(void *object) { struct acpi_namespace_node *node = (struct acpi_namespace_node *)object; - /* Must return a string of exactly 4 characters == ACPI_NAME_SIZE */ + /* Must return a string of exactly 4 characters == ACPI_NAMESEG_SIZE */ if (!object) { return ("NULL"); diff --git a/drivers/acpi/acpica/utmisc.c b/drivers/acpi/acpica/utmisc.c index afaadc73196b..8638efacdbf4 100644 --- a/drivers/acpi/acpica/utmisc.c +++ b/drivers/acpi/acpica/utmisc.c @@ -59,10 +59,10 @@ u8 acpi_ut_is_aml_table(struct acpi_table_header *table) /* These are the only tables that contain executable AML */ - if (ACPI_COMPARE_NAME(table->signature, ACPI_SIG_DSDT) || - ACPI_COMPARE_NAME(table->signature, ACPI_SIG_PSDT) || - ACPI_COMPARE_NAME(table->signature, ACPI_SIG_SSDT) || - ACPI_COMPARE_NAME(table->signature, ACPI_SIG_OSDT) || + if (ACPI_COMPARE_NAMESEG(table->signature, ACPI_SIG_DSDT) || + ACPI_COMPARE_NAMESEG(table->signature, ACPI_SIG_PSDT) || + ACPI_COMPARE_NAMESEG(table->signature, ACPI_SIG_SSDT) || + ACPI_COMPARE_NAMESEG(table->signature, ACPI_SIG_OSDT) || ACPI_IS_OEM_SIG(table->signature)) { return (TRUE); } diff --git a/drivers/acpi/acpica/utpredef.c b/drivers/acpi/acpica/utpredef.c index a9f08f43c685..1b0f68f5ed8c 100644 --- a/drivers/acpi/acpica/utpredef.c +++ b/drivers/acpi/acpica/utpredef.c @@ -84,7 +84,7 @@ const union acpi_predefined_info *acpi_ut_match_predefined_method(char *name) this_name = acpi_gbl_predefined_methods; while (this_name->info.name[0]) { - if (ACPI_COMPARE_NAME(name, this_name->info.name)) { + if (ACPI_COMPARE_NAMESEG(name, this_name->info.name)) { return (this_name); } @@ -201,7 +201,7 @@ const union acpi_predefined_info *acpi_ut_match_resource_name(char *name) this_name = acpi_gbl_resource_names; while (this_name->info.name[0]) { - if (ACPI_COMPARE_NAME(name, this_name->info.name)) { + if (ACPI_COMPARE_NAMESEG(name, this_name->info.name)) { return (this_name); } diff --git a/drivers/acpi/acpica/utstring.c b/drivers/acpi/acpica/utstring.c index 5bef0b059406..c39b5483045d 100644 --- a/drivers/acpi/acpica/utstring.c +++ b/drivers/acpi/acpica/utstring.c @@ -141,15 +141,15 @@ void acpi_ut_repair_name(char *name) * Special case for the root node. This can happen if we get an * error during the execution of module-level code. */ - if (ACPI_COMPARE_NAME(name, ACPI_ROOT_PATHNAME)) { + if (ACPI_COMPARE_NAMESEG(name, ACPI_ROOT_PATHNAME)) { return; } - ACPI_MOVE_NAME(&original_name, name); + ACPI_COPY_NAMESEG(&original_name, name); /* Check each character in the name */ - for (i = 0; i < ACPI_NAME_SIZE; i++) { + for (i = 0; i < ACPI_NAMESEG_SIZE; i++) { if (acpi_ut_valid_name_char(name[i], i)) { continue; } diff --git a/drivers/acpi/arm64/iort.c b/drivers/acpi/arm64/iort.c index e48894e002ba..adbf7cbedf80 100644 --- a/drivers/acpi/arm64/iort.c +++ b/drivers/acpi/arm64/iort.c @@ -356,7 +356,8 @@ static struct acpi_iort_node *iort_node_get_id(struct acpi_iort_node *node, if (map->flags & ACPI_IORT_ID_SINGLE_MAPPING) { if (node->type == ACPI_IORT_NODE_NAMED_COMPONENT || node->type == ACPI_IORT_NODE_PCI_ROOT_COMPLEX || - node->type == ACPI_IORT_NODE_SMMU_V3) { + node->type == ACPI_IORT_NODE_SMMU_V3 || + node->type == ACPI_IORT_NODE_PMCG) { *id_out = map->output_base; return parent; } @@ -394,6 +395,8 @@ static int iort_get_id_mapping_index(struct acpi_iort_node *node) } return smmu->id_mapping_index; + case ACPI_IORT_NODE_PMCG: + return 0; default: return -EINVAL; } @@ -1218,32 +1221,47 @@ static void __init arm_smmu_v3_init_resources(struct resource *res, } } -static bool __init arm_smmu_v3_is_coherent(struct acpi_iort_node *node) +static void __init arm_smmu_v3_dma_configure(struct device *dev, + struct acpi_iort_node *node) { struct acpi_iort_smmu_v3 *smmu; + enum dev_dma_attr attr; /* Retrieve SMMUv3 specific data */ smmu = (struct acpi_iort_smmu_v3 *)node->node_data; - return smmu->flags & ACPI_IORT_SMMU_V3_COHACC_OVERRIDE; + attr = (smmu->flags & ACPI_IORT_SMMU_V3_COHACC_OVERRIDE) ? + DEV_DMA_COHERENT : DEV_DMA_NON_COHERENT; + + /* We expect the dma masks to be equivalent for all SMMUv3 set-ups */ + dev->dma_mask = &dev->coherent_dma_mask; + + /* Configure DMA for the page table walker */ + acpi_dma_configure(dev, attr); } #if defined(CONFIG_ACPI_NUMA) /* * set numa proximity domain for smmuv3 device */ -static void __init arm_smmu_v3_set_proximity(struct device *dev, +static int __init arm_smmu_v3_set_proximity(struct device *dev, struct acpi_iort_node *node) { struct acpi_iort_smmu_v3 *smmu; smmu = (struct acpi_iort_smmu_v3 *)node->node_data; if (smmu->flags & ACPI_IORT_SMMU_V3_PXM_VALID) { - set_dev_node(dev, acpi_map_pxm_to_node(smmu->pxm)); + int node = acpi_map_pxm_to_node(smmu->pxm); + + if (node != NUMA_NO_NODE && !node_online(node)) + return -EINVAL; + + set_dev_node(dev, node); pr_info("SMMU-v3[%llx] Mapped to Proximity domain %d\n", smmu->base_address, smmu->pxm); } + return 0; } #else #define arm_smmu_v3_set_proximity NULL @@ -1301,30 +1319,96 @@ static void __init arm_smmu_init_resources(struct resource *res, } } -static bool __init arm_smmu_is_coherent(struct acpi_iort_node *node) +static void __init arm_smmu_dma_configure(struct device *dev, + struct acpi_iort_node *node) { struct acpi_iort_smmu *smmu; + enum dev_dma_attr attr; /* Retrieve SMMU specific data */ smmu = (struct acpi_iort_smmu *)node->node_data; - return smmu->flags & ACPI_IORT_SMMU_COHERENT_WALK; + attr = (smmu->flags & ACPI_IORT_SMMU_COHERENT_WALK) ? + DEV_DMA_COHERENT : DEV_DMA_NON_COHERENT; + + /* We expect the dma masks to be equivalent for SMMU set-ups */ + dev->dma_mask = &dev->coherent_dma_mask; + + /* Configure DMA for the page table walker */ + acpi_dma_configure(dev, attr); +} + +static int __init arm_smmu_v3_pmcg_count_resources(struct acpi_iort_node *node) +{ + struct acpi_iort_pmcg *pmcg; + + /* Retrieve PMCG specific data */ + pmcg = (struct acpi_iort_pmcg *)node->node_data; + + /* + * There are always 2 memory resources. + * If the overflow_gsiv is present then add that for a total of 3. + */ + return pmcg->overflow_gsiv ? 3 : 2; +} + +static void __init arm_smmu_v3_pmcg_init_resources(struct resource *res, + struct acpi_iort_node *node) +{ + struct acpi_iort_pmcg *pmcg; + + /* Retrieve PMCG specific data */ + pmcg = (struct acpi_iort_pmcg *)node->node_data; + + res[0].start = pmcg->page0_base_address; + res[0].end = pmcg->page0_base_address + SZ_4K - 1; + res[0].flags = IORESOURCE_MEM; + res[1].start = pmcg->page1_base_address; + res[1].end = pmcg->page1_base_address + SZ_4K - 1; + res[1].flags = IORESOURCE_MEM; + + if (pmcg->overflow_gsiv) + acpi_iort_register_irq(pmcg->overflow_gsiv, "overflow", + ACPI_EDGE_SENSITIVE, &res[2]); +} + +static struct acpi_platform_list pmcg_plat_info[] __initdata = { + /* HiSilicon Hip08 Platform */ + {"HISI ", "HIP08 ", 0, ACPI_SIG_IORT, greater_than_or_equal, + "Erratum #162001800", IORT_SMMU_V3_PMCG_HISI_HIP08}, + { } +}; + +static int __init arm_smmu_v3_pmcg_add_platdata(struct platform_device *pdev) +{ + u32 model; + int idx; + + idx = acpi_match_platform_list(pmcg_plat_info); + if (idx >= 0) + model = pmcg_plat_info[idx].data; + else + model = IORT_SMMU_V3_PMCG_GENERIC; + + return platform_device_add_data(pdev, &model, sizeof(model)); } struct iort_dev_config { const char *name; int (*dev_init)(struct acpi_iort_node *node); - bool (*dev_is_coherent)(struct acpi_iort_node *node); + void (*dev_dma_configure)(struct device *dev, + struct acpi_iort_node *node); int (*dev_count_resources)(struct acpi_iort_node *node); void (*dev_init_resources)(struct resource *res, struct acpi_iort_node *node); - void (*dev_set_proximity)(struct device *dev, + int (*dev_set_proximity)(struct device *dev, struct acpi_iort_node *node); + int (*dev_add_platdata)(struct platform_device *pdev); }; static const struct iort_dev_config iort_arm_smmu_v3_cfg __initconst = { .name = "arm-smmu-v3", - .dev_is_coherent = arm_smmu_v3_is_coherent, + .dev_dma_configure = arm_smmu_v3_dma_configure, .dev_count_resources = arm_smmu_v3_count_resources, .dev_init_resources = arm_smmu_v3_init_resources, .dev_set_proximity = arm_smmu_v3_set_proximity, @@ -1332,9 +1416,16 @@ static const struct iort_dev_config iort_arm_smmu_v3_cfg __initconst = { static const struct iort_dev_config iort_arm_smmu_cfg __initconst = { .name = "arm-smmu", - .dev_is_coherent = arm_smmu_is_coherent, + .dev_dma_configure = arm_smmu_dma_configure, .dev_count_resources = arm_smmu_count_resources, - .dev_init_resources = arm_smmu_init_resources + .dev_init_resources = arm_smmu_init_resources, +}; + +static const struct iort_dev_config iort_arm_smmu_v3_pmcg_cfg __initconst = { + .name = "arm-smmu-v3-pmcg", + .dev_count_resources = arm_smmu_v3_pmcg_count_resources, + .dev_init_resources = arm_smmu_v3_pmcg_init_resources, + .dev_add_platdata = arm_smmu_v3_pmcg_add_platdata, }; static __init const struct iort_dev_config *iort_get_dev_cfg( @@ -1345,6 +1436,8 @@ static __init const struct iort_dev_config *iort_get_dev_cfg( return &iort_arm_smmu_v3_cfg; case ACPI_IORT_NODE_SMMU: return &iort_arm_smmu_cfg; + case ACPI_IORT_NODE_PMCG: + return &iort_arm_smmu_v3_pmcg_cfg; default: return NULL; } @@ -1362,15 +1455,17 @@ static int __init iort_add_platform_device(struct acpi_iort_node *node, struct fwnode_handle *fwnode; struct platform_device *pdev; struct resource *r; - enum dev_dma_attr attr; int ret, count; pdev = platform_device_alloc(ops->name, PLATFORM_DEVID_AUTO); if (!pdev) return -ENOMEM; - if (ops->dev_set_proximity) - ops->dev_set_proximity(&pdev->dev, node); + if (ops->dev_set_proximity) { + ret = ops->dev_set_proximity(&pdev->dev, node); + if (ret) + goto dev_put; + } count = ops->dev_count_resources(node); @@ -1393,19 +1488,19 @@ static int __init iort_add_platform_device(struct acpi_iort_node *node, goto dev_put; /* - * Add a copy of IORT node pointer to platform_data to - * be used to retrieve IORT data information. + * Platform devices based on PMCG nodes uses platform_data to + * pass the hardware model info to the driver. For others, add + * a copy of IORT node pointer to platform_data to be used to + * retrieve IORT data information. */ - ret = platform_device_add_data(pdev, &node, sizeof(node)); + if (ops->dev_add_platdata) + ret = ops->dev_add_platdata(pdev); + else + ret = platform_device_add_data(pdev, &node, sizeof(node)); + if (ret) goto dev_put; - /* - * We expect the dma masks to be equivalent for - * all SMMUs set-ups - */ - pdev->dev.dma_mask = &pdev->dev.coherent_dma_mask; - fwnode = iort_get_fwnode(node); if (!fwnode) { @@ -1415,11 +1510,8 @@ static int __init iort_add_platform_device(struct acpi_iort_node *node, pdev->dev.fwnode = fwnode; - attr = ops->dev_is_coherent && ops->dev_is_coherent(node) ? - DEV_DMA_COHERENT : DEV_DMA_NON_COHERENT; - - /* Configure DMA for the page table walker */ - acpi_dma_configure(&pdev->dev, attr); + if (ops->dev_dma_configure) + ops->dev_dma_configure(&pdev->dev, node); iort_set_device_domain(&pdev->dev, node); diff --git a/drivers/acpi/button.c b/drivers/acpi/button.c index a19ff3977ac4..623998a8d722 100644 --- a/drivers/acpi/button.c +++ b/drivers/acpi/button.c @@ -456,8 +456,11 @@ static int acpi_button_resume(struct device *dev) struct acpi_button *button = acpi_driver_data(device); button->suspended = false; - if (button->type == ACPI_BUTTON_TYPE_LID && button->input->users) + if (button->type == ACPI_BUTTON_TYPE_LID && button->input->users) { + button->last_state = !!acpi_lid_evaluate_state(device); + button->last_time = ktime_get(); acpi_lid_initialize_state(device); + } return 0; } #endif diff --git a/drivers/acpi/cppc_acpi.c b/drivers/acpi/cppc_acpi.c index d4244e7d0e38..653642a4cbdd 100644 --- a/drivers/acpi/cppc_acpi.c +++ b/drivers/acpi/cppc_acpi.c @@ -81,9 +81,9 @@ struct cppc_pcc_data { int refcount; }; -/* Array to represent the PCC channel per subspace id */ +/* Array to represent the PCC channel per subspace ID */ static struct cppc_pcc_data *pcc_data[MAX_PCC_SUBSPACES]; -/* The cpu_pcc_subspace_idx containsper CPU subspace id */ +/* The cpu_pcc_subspace_idx contains per CPU subspace ID */ static DEFINE_PER_CPU(int, cpu_pcc_subspace_idx); /* @@ -436,7 +436,7 @@ int acpi_get_psd_map(struct cppc_cpudata **all_cpu_data) return -ENOMEM; /* - * Now that we have _PSD data from all CPUs, lets setup P-state + * Now that we have _PSD data from all CPUs, let's setup P-state * domain info. */ for_each_possible_cpu(i) { @@ -588,7 +588,7 @@ static int register_pcc_channel(int pcc_ss_idx) return -ENOMEM; } - /* Set flag so that we dont come here for each CPU. */ + /* Set flag so that we don't come here for each CPU. */ pcc_data[pcc_ss_idx]->pcc_channel_acquired = true; } @@ -613,7 +613,7 @@ bool __weak cpc_ffh_supported(void) * * Check and allocate the cppc_pcc_data memory. * In some processor configurations it is possible that same subspace - * is shared between multiple CPU's. This is seen especially in CPU's + * is shared between multiple CPUs. This is seen especially in CPUs * with hardware multi-threading support. * * Return: 0 for success, errno for failure @@ -711,7 +711,7 @@ static bool is_cppc_supported(int revision, int num_ent) /** * acpi_cppc_processor_probe - Search for per CPU _CPC objects. - * @pr: Ptr to acpi_processor containing this CPUs logical Id. + * @pr: Ptr to acpi_processor containing this CPU's logical ID. * * Return: 0 for success or negative value for err. */ @@ -728,7 +728,7 @@ int acpi_cppc_processor_probe(struct acpi_processor *pr) acpi_status status; int ret = -EFAULT; - /* Parse the ACPI _CPC table for this cpu. */ + /* Parse the ACPI _CPC table for this CPU. */ status = acpi_evaluate_object_typed(handle, "_CPC", NULL, &output, ACPI_TYPE_PACKAGE); if (ACPI_FAILURE(status)) { @@ -840,7 +840,7 @@ int acpi_cppc_processor_probe(struct acpi_processor *pr) if (ret) goto out_free; - /* Register PCC channel once for all PCC subspace id. */ + /* Register PCC channel once for all PCC subspace ID. */ if (pcc_subspace_id >= 0 && !pcc_data[pcc_subspace_id]->pcc_channel_acquired) { ret = register_pcc_channel(pcc_subspace_id); if (ret) @@ -860,7 +860,7 @@ int acpi_cppc_processor_probe(struct acpi_processor *pr) goto out_free; } - /* Plug PSD data into this CPUs CPC descriptor. */ + /* Plug PSD data into this CPU's CPC descriptor. */ per_cpu(cpc_desc_ptr, pr->id) = cpc_ptr; ret = kobject_init_and_add(&cpc_ptr->kobj, &cppc_ktype, &cpu_dev->kobj, @@ -891,7 +891,7 @@ EXPORT_SYMBOL_GPL(acpi_cppc_processor_probe); /** * acpi_cppc_processor_exit - Cleanup CPC structs. - * @pr: Ptr to acpi_processor containing this CPUs logical Id. + * @pr: Ptr to acpi_processor containing this CPU's logical ID. * * Return: Void */ @@ -931,7 +931,7 @@ EXPORT_SYMBOL_GPL(acpi_cppc_processor_exit); /** * cpc_read_ffh() - Read FFH register - * @cpunum: cpu number to read + * @cpunum: CPU number to read * @reg: cppc register information * @val: place holder for return value * @@ -946,7 +946,7 @@ int __weak cpc_read_ffh(int cpunum, struct cpc_reg *reg, u64 *val) /** * cpc_write_ffh() - Write FFH register - * @cpunum: cpu number to write + * @cpunum: CPU number to write * @reg: cppc register information * @val: value to write * @@ -1093,7 +1093,7 @@ int cppc_get_desired_perf(int cpunum, u64 *desired_perf) EXPORT_SYMBOL_GPL(cppc_get_desired_perf); /** - * cppc_get_perf_caps - Get a CPUs performance capabilities. + * cppc_get_perf_caps - Get a CPU's performance capabilities. * @cpunum: CPU from which to get capabilities info. * @perf_caps: ptr to cppc_perf_caps. See cppc_acpi.h * @@ -1183,7 +1183,7 @@ out_err: EXPORT_SYMBOL_GPL(cppc_get_perf_caps); /** - * cppc_get_perf_ctrs - Read a CPUs performance feedback counters. + * cppc_get_perf_ctrs - Read a CPU's performance feedback counters. * @cpunum: CPU from which to read counters. * @perf_fb_ctrs: ptr to cppc_perf_fb_ctrs. See cppc_acpi.h * @@ -1210,7 +1210,7 @@ int cppc_get_perf_ctrs(int cpunum, struct cppc_perf_fb_ctrs *perf_fb_ctrs) ctr_wrap_reg = &cpc_desc->cpc_regs[CTR_WRAP_TIME]; /* - * If refernce perf register is not supported then we should + * If reference perf register is not supported then we should * use the nominal perf value */ if (!CPC_SUPPORTED(ref_perf_reg)) @@ -1263,7 +1263,7 @@ out_err: EXPORT_SYMBOL_GPL(cppc_get_perf_ctrs); /** - * cppc_set_perf - Set a CPUs performance controls. + * cppc_set_perf - Set a CPU's performance controls. * @cpu: CPU for which to set performance controls. * @perf_ctrls: ptr to cppc_perf_ctrls. See cppc_acpi.h * @@ -1344,7 +1344,7 @@ int cppc_set_perf(int cpu, struct cppc_perf_ctrls *perf_ctrls) * executing the Phase-II. * 2. Some other CPU has beaten this CPU to successfully execute the * write_trylock and has already acquired the write_lock. We know for a - * fact it(other CPU acquiring the write_lock) couldn't have happened + * fact it (other CPU acquiring the write_lock) couldn't have happened * before this CPU's Phase-I as we held the read_lock. * 3. Some other CPU executing pcc CMD_READ has stolen the * down_write, in which case, send_pcc_cmd will check for pending diff --git a/drivers/acpi/device_pm.c b/drivers/acpi/device_pm.c index 824ae985ad93..5b50f884712c 100644 --- a/drivers/acpi/device_pm.c +++ b/drivers/acpi/device_pm.c @@ -728,6 +728,9 @@ static int __acpi_device_wakeup_enable(struct acpi_device *adev, goto out; } + acpi_handle_debug(adev->handle, "GPE%2X enabled for wakeup\n", + (unsigned int)wakeup->gpe_number); + inc: wakeup->enable_count++; diff --git a/drivers/acpi/dptf/dptf_power.c b/drivers/acpi/dptf/dptf_power.c index e1c242568341..0c081390930a 100644 --- a/drivers/acpi/dptf/dptf_power.c +++ b/drivers/acpi/dptf/dptf_power.c @@ -31,8 +31,7 @@ static ssize_t name##_show(struct device *dev,\ struct device_attribute *attr,\ char *buf)\ {\ - struct platform_device *pdev = to_platform_device(dev);\ - struct acpi_device *acpi_dev = platform_get_drvdata(pdev);\ + struct acpi_device *acpi_dev = dev_get_drvdata(dev);\ unsigned long long val;\ acpi_status status;\ \ diff --git a/drivers/acpi/event.c b/drivers/acpi/event.c index 5a127f3f2d5c..47f21599f2ab 100644 --- a/drivers/acpi/event.c +++ b/drivers/acpi/event.c @@ -131,8 +131,8 @@ int acpi_bus_generate_netlink_event(const char *device_class, event = nla_data(attr); memset(event, 0, sizeof(struct acpi_genl_event)); - strcpy(event->device_class, device_class); - strcpy(event->bus_id, bus_id); + strscpy(event->device_class, device_class, sizeof(event->device_class)); + strscpy(event->bus_id, bus_id, sizeof(event->bus_id)); event->type = type; event->data = data; diff --git a/drivers/acpi/nfit/core.c b/drivers/acpi/nfit/core.c index 5a389a4f4f65..f1ed0befe303 100644 --- a/drivers/acpi/nfit/core.c +++ b/drivers/acpi/nfit/core.c @@ -567,6 +567,12 @@ int acpi_nfit_ctl(struct nvdimm_bus_descriptor *nd_desc, struct nvdimm *nvdimm, goto out; } + dev_dbg(dev, "%s cmd: %s output length: %d\n", dimm_name, + cmd_name, out_obj->buffer.length); + print_hex_dump_debug(cmd_name, DUMP_PREFIX_OFFSET, 4, 4, + out_obj->buffer.pointer, + min_t(u32, 128, out_obj->buffer.length), true); + if (call_pkg) { call_pkg->nd_fw_size = out_obj->buffer.length; memcpy(call_pkg->nd_payload + call_pkg->nd_size_in, @@ -585,12 +591,6 @@ int acpi_nfit_ctl(struct nvdimm_bus_descriptor *nd_desc, struct nvdimm *nvdimm, return 0; } - dev_dbg(dev, "%s cmd: %s output length: %d\n", dimm_name, - cmd_name, out_obj->buffer.length); - print_hex_dump_debug(cmd_name, DUMP_PREFIX_OFFSET, 4, 4, - out_obj->buffer.pointer, - min_t(u32, 128, out_obj->buffer.length), true); - for (i = 0, offset = 0; i < desc->out_num; i++) { u32 out_size = nd_cmd_out_size(nvdimm, cmd, desc, i, buf, (u32 *) out_obj->buffer.pointer, diff --git a/drivers/acpi/nfit/intel.c b/drivers/acpi/nfit/intel.c index f70de71f79d6..cddd0fcf622c 100644 --- a/drivers/acpi/nfit/intel.c +++ b/drivers/acpi/nfit/intel.c @@ -122,9 +122,8 @@ static int intel_security_change_key(struct nvdimm *nvdimm, if (!test_bit(cmd, &nfit_mem->dsm_mask)) return -ENOTTY; - if (old_data) - memcpy(nd_cmd.cmd.old_pass, old_data->data, - sizeof(nd_cmd.cmd.old_pass)); + memcpy(nd_cmd.cmd.old_pass, old_data->data, + sizeof(nd_cmd.cmd.old_pass)); memcpy(nd_cmd.cmd.new_pass, new_data->data, sizeof(nd_cmd.cmd.new_pass)); rc = nvdimm_ctl(nvdimm, ND_CMD_CALL, &nd_cmd, sizeof(nd_cmd), NULL); @@ -336,9 +335,8 @@ static int __maybe_unused intel_security_overwrite(struct nvdimm *nvdimm, /* flush all cache before we erase DIMM */ nvdimm_invalidate_cache(); - if (nkey) - memcpy(nd_cmd.cmd.passphrase, nkey->data, - sizeof(nd_cmd.cmd.passphrase)); + memcpy(nd_cmd.cmd.passphrase, nkey->data, + sizeof(nd_cmd.cmd.passphrase)); rc = nvdimm_ctl(nvdimm, ND_CMD_CALL, &nd_cmd, sizeof(nd_cmd), NULL); if (rc < 0) return rc; diff --git a/drivers/acpi/power.c b/drivers/acpi/power.c index 665e93ca0b40..87db3e124725 100644 --- a/drivers/acpi/power.c +++ b/drivers/acpi/power.c @@ -535,12 +535,12 @@ int acpi_device_sleep_wake(struct acpi_device *dev, /* * Try to execute _DSW first. * - * Three agruments are needed for the _DSW object: + * Three arguments are needed for the _DSW object: * Argument 0: enable/disable the wake capabilities * Argument 1: target system state * Argument 2: target device state * When _DSW object is called to disable the wake capabilities, maybe - * the first argument is filled. The values of the other two agruments + * the first argument is filled. The values of the other two arguments * are meaningless. */ in_arg[0].type = ACPI_TYPE_INTEGER; diff --git a/drivers/acpi/pptt.c b/drivers/acpi/pptt.c index 065c4fc245d1..b72e6afaa8fb 100644 --- a/drivers/acpi/pptt.c +++ b/drivers/acpi/pptt.c @@ -164,7 +164,7 @@ static struct acpi_pptt_cache *acpi_find_cache_level(struct acpi_table_header *t } /** - * acpi_count_levels() - Given a PPTT table, and a cpu node, count the caches + * acpi_count_levels() - Given a PPTT table, and a CPU node, count the caches * @table_hdr: Pointer to the head of the PPTT table * @cpu_node: processor node we wish to count caches for * @@ -235,7 +235,7 @@ static int acpi_pptt_leaf_node(struct acpi_table_header *table_hdr, /** * acpi_find_processor_node() - Given a PPTT table find the requested processor * @table_hdr: Pointer to the head of the PPTT table - * @acpi_cpu_id: cpu we are searching for + * @acpi_cpu_id: CPU we are searching for * * Find the subtable entry describing the provided processor. * This is done by iterating the PPTT table looking for processor nodes @@ -456,21 +456,21 @@ static struct acpi_pptt_processor *acpi_find_processor_package_id(struct acpi_ta static void acpi_pptt_warn_missing(void) { - pr_warn_once("No PPTT table found, cpu and cache topology may be inaccurate\n"); + pr_warn_once("No PPTT table found, CPU and cache topology may be inaccurate\n"); } /** * topology_get_acpi_cpu_tag() - Find a unique topology value for a feature * @table: Pointer to the head of the PPTT table - * @cpu: Kernel logical cpu number + * @cpu: Kernel logical CPU number * @level: A level that terminates the search * @flag: A flag which terminates the search * - * Get a unique value given a cpu, and a topology level, that can be + * Get a unique value given a CPU, and a topology level, that can be * matched to determine which cpus share common topological features * at that level. * - * Return: Unique value, or -ENOENT if unable to locate cpu + * Return: Unique value, or -ENOENT if unable to locate CPU */ static int topology_get_acpi_cpu_tag(struct acpi_table_header *table, unsigned int cpu, int level, int flag) @@ -510,7 +510,7 @@ static int find_acpi_cpu_topology_tag(unsigned int cpu, int level, int flag) return -ENOENT; } retval = topology_get_acpi_cpu_tag(table, cpu, level, flag); - pr_debug("Topology Setup ACPI cpu %d, level %d ret = %d\n", + pr_debug("Topology Setup ACPI CPU %d, level %d ret = %d\n", cpu, level, retval); acpi_put_table(table); @@ -519,9 +519,9 @@ static int find_acpi_cpu_topology_tag(unsigned int cpu, int level, int flag) /** * acpi_find_last_cache_level() - Determines the number of cache levels for a PE - * @cpu: Kernel logical cpu number + * @cpu: Kernel logical CPU number * - * Given a logical cpu number, returns the number of levels of cache represented + * Given a logical CPU number, returns the number of levels of cache represented * in the PPTT. Errors caused by lack of a PPTT table, or otherwise, return 0 * indicating we didn't find any cache levels. * @@ -534,7 +534,7 @@ int acpi_find_last_cache_level(unsigned int cpu) int number_of_levels = 0; acpi_status status; - pr_debug("Cache Setup find last level cpu=%d\n", cpu); + pr_debug("Cache Setup find last level CPU=%d\n", cpu); acpi_cpu_id = get_acpi_id_for_cpu(cpu); status = acpi_get_table(ACPI_SIG_PPTT, 0, &table); @@ -551,14 +551,14 @@ int acpi_find_last_cache_level(unsigned int cpu) /** * cache_setup_acpi() - Override CPU cache topology with data from the PPTT - * @cpu: Kernel logical cpu number + * @cpu: Kernel logical CPU number * * Updates the global cache info provided by cpu_get_cacheinfo() * when there are valid properties in the acpi_pptt_cache nodes. A * successful parse may not result in any updates if none of the - * cache levels have any valid flags set. Futher, a unique value is + * cache levels have any valid flags set. Further, a unique value is * associated with each known CPU cache entry. This unique value - * can be used to determine whether caches are shared between cpus. + * can be used to determine whether caches are shared between CPUs. * * Return: -ENOENT on failure to find table, or 0 on success */ @@ -567,7 +567,7 @@ int cache_setup_acpi(unsigned int cpu) struct acpi_table_header *table; acpi_status status; - pr_debug("Cache Setup ACPI cpu %d\n", cpu); + pr_debug("Cache Setup ACPI CPU %d\n", cpu); status = acpi_get_table(ACPI_SIG_PPTT, 0, &table); if (ACPI_FAILURE(status)) { @@ -582,8 +582,8 @@ int cache_setup_acpi(unsigned int cpu) } /** - * find_acpi_cpu_topology() - Determine a unique topology value for a given cpu - * @cpu: Kernel logical cpu number + * find_acpi_cpu_topology() - Determine a unique topology value for a given CPU + * @cpu: Kernel logical CPU number * @level: The topological level for which we would like a unique ID * * Determine a topology unique ID for each thread/core/cluster/mc_grouping @@ -596,7 +596,7 @@ int cache_setup_acpi(unsigned int cpu) * other levels beyond this use a generated value to uniquely identify * a topological feature. * - * Return: -ENOENT if the PPTT doesn't exist, or the cpu cannot be found. + * Return: -ENOENT if the PPTT doesn't exist, or the CPU cannot be found. * Otherwise returns a value which represents a unique topological feature. */ int find_acpi_cpu_topology(unsigned int cpu, int level) @@ -606,12 +606,12 @@ int find_acpi_cpu_topology(unsigned int cpu, int level) /** * find_acpi_cpu_cache_topology() - Determine a unique cache topology value - * @cpu: Kernel logical cpu number + * @cpu: Kernel logical CPU number * @level: The cache level for which we would like a unique ID * * Determine a unique ID for each unified cache in the system * - * Return: -ENOENT if the PPTT doesn't exist, or the cpu cannot be found. + * Return: -ENOENT if the PPTT doesn't exist, or the CPU cannot be found. * Otherwise returns a value which represents a unique topological feature. */ int find_acpi_cpu_cache_topology(unsigned int cpu, int level) @@ -643,17 +643,17 @@ int find_acpi_cpu_cache_topology(unsigned int cpu, int level) /** - * find_acpi_cpu_topology_package() - Determine a unique cpu package value - * @cpu: Kernel logical cpu number + * find_acpi_cpu_topology_package() - Determine a unique CPU package value + * @cpu: Kernel logical CPU number * - * Determine a topology unique package ID for the given cpu. + * Determine a topology unique package ID for the given CPU. * This ID can then be used to group peers, which will have matching ids. * * The search terminates when either a level is found with the PHYSICAL_PACKAGE * flag set or we reach a root node. * - * Return: -ENOENT if the PPTT doesn't exist, or the cpu cannot be found. - * Otherwise returns a value which represents the package for this cpu. + * Return: -ENOENT if the PPTT doesn't exist, or the CPU cannot be found. + * Otherwise returns a value which represents the package for this CPU. */ int find_acpi_cpu_topology_package(unsigned int cpu) { diff --git a/drivers/acpi/processor_perflib.c b/drivers/acpi/processor_perflib.c index a303fd0e108c..c73d3a62799a 100644 --- a/drivers/acpi/processor_perflib.c +++ b/drivers/acpi/processor_perflib.c @@ -181,7 +181,7 @@ void acpi_processor_ppc_has_changed(struct acpi_processor *pr, int event_flag) acpi_processor_ppc_ost(pr->handle, 0); } if (ret >= 0) - cpufreq_update_policy(pr->id); + cpufreq_update_limits(pr->id); } int acpi_processor_get_bios_limit(int cpu, unsigned int *limit) diff --git a/drivers/acpi/property.c b/drivers/acpi/property.c index 77abe0ec4043..9d460a859be0 100644 --- a/drivers/acpi/property.c +++ b/drivers/acpi/property.c @@ -44,6 +44,7 @@ static const guid_t prp_guids[] = { 0xbf, 0xf0, 0x76, 0x14, 0x38, 0x07, 0xc3, 0x89), }; +/* ACPI _DSD data subnodes GUID: dbb8e3e6-5886-4ba6-8795-1319f52a966b */ static const guid_t ads_guid = GUID_INIT(0xdbb8e3e6, 0x5886, 0x4ba6, 0x87, 0x95, 0x13, 0x19, 0xf5, 0x2a, 0x96, 0x6b); @@ -1031,6 +1032,14 @@ struct fwnode_handle *acpi_get_next_subnode(const struct fwnode_handle *fwnode, const struct acpi_data_node *data = to_acpi_data_node(fwnode); struct acpi_data_node *dn; + /* + * We can have a combination of device and data nodes, e.g. with + * hierarchical _DSD properties. Make sure the adev pointer is + * restored before going through data nodes, otherwise we will + * be looking for data_nodes below the last device found instead + * of the common fwnode shared by device_nodes and data_nodes. + */ + adev = to_acpi_device_node(fwnode); if (adev) head = &adev->data.subnodes; else if (data) diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c index 446c959a8f08..b845dc3e0ba9 100644 --- a/drivers/acpi/scan.c +++ b/drivers/acpi/scan.c @@ -763,18 +763,16 @@ acpi_bus_get_ejd(acpi_handle handle, acpi_handle *ejd) } EXPORT_SYMBOL_GPL(acpi_bus_get_ejd); -static int acpi_bus_extract_wakeup_device_power_package(acpi_handle handle, - struct acpi_device_wakeup *wakeup) +static int acpi_bus_extract_wakeup_device_power_package(struct acpi_device *dev) { + acpi_handle handle = dev->handle; + struct acpi_device_wakeup *wakeup = &dev->wakeup; struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL }; union acpi_object *package = NULL; union acpi_object *element = NULL; acpi_status status; int err = -ENODATA; - if (!wakeup) - return -EINVAL; - INIT_LIST_HEAD(&wakeup->resources); /* _PRW */ @@ -848,9 +846,9 @@ static int acpi_bus_extract_wakeup_device_power_package(acpi_handle handle, static bool acpi_wakeup_gpe_init(struct acpi_device *device) { static const struct acpi_device_id button_device_ids[] = { - {"PNP0C0C", 0}, - {"PNP0C0D", 0}, - {"PNP0C0E", 0}, + {"PNP0C0C", 0}, /* Power button */ + {"PNP0C0D", 0}, /* Lid */ + {"PNP0C0E", 0}, /* Sleep button */ {"", 0}, }; struct acpi_device_wakeup *wakeup = &device->wakeup; @@ -883,8 +881,7 @@ static void acpi_bus_get_wakeup_device_flags(struct acpi_device *device) if (!acpi_has_method(device->handle, "_PRW")) return; - err = acpi_bus_extract_wakeup_device_power_package(device->handle, - &device->wakeup); + err = acpi_bus_extract_wakeup_device_power_package(device); if (err) { dev_err(&device->dev, "_PRW evaluation error: %d\n", err); return; @@ -895,7 +892,7 @@ static void acpi_bus_get_wakeup_device_flags(struct acpi_device *device) /* * Call _PSW/_DSW object to disable its ability to wake the sleeping * system for the ACPI device with the _PRW object. - * The _PSW object is depreciated in ACPI 3.0 and is replaced by _DSW. + * The _PSW object is deprecated in ACPI 3.0 and is replaced by _DSW. * So it is necessary to call _DSW object first. Only when it is not * present will the _PSW object used. */ @@ -2260,7 +2257,7 @@ int __init __acpi_probe_device_table(struct acpi_probe_entry *ap_head, int nr) mutex_lock(&acpi_probe_mutex); for (ape = ap_head; nr; ape++, nr--) { - if (ACPI_COMPARE_NAME(ACPI_SIG_MADT, ape->id)) { + if (ACPI_COMPARE_NAMESEG(ACPI_SIG_MADT, ape->id)) { acpi_probe_count = 0; acpi_table_parse_madt(ape->type, acpi_match_madt, 0); count += acpi_probe_count; diff --git a/drivers/acpi/spcr.c b/drivers/acpi/spcr.c index c336784d0bcb..b34d05e365b7 100644 --- a/drivers/acpi/spcr.c +++ b/drivers/acpi/spcr.c @@ -28,7 +28,7 @@ EXPORT_SYMBOL(qdf2400_e44_present); /* * Some Qualcomm Datacenter Technologies SoCs have a defective UART BUSY bit. - * Detect them by examining the OEM fields in the SPCR header, similiar to PCI + * Detect them by examining the OEM fields in the SPCR header, similar to PCI * quirk detection in pci_mcfg.c. */ static bool qdf2400_erratum_44_present(struct acpi_table_header *h) diff --git a/drivers/acpi/sysfs.c b/drivers/acpi/sysfs.c index fa76f5e41b5c..75948a3f1a20 100644 --- a/drivers/acpi/sysfs.c +++ b/drivers/acpi/sysfs.c @@ -327,9 +327,9 @@ static struct kobject *hotplug_kobj; struct acpi_table_attr { struct bin_attribute attr; - char name[ACPI_NAME_SIZE]; + char name[ACPI_NAMESEG_SIZE]; int instance; - char filename[ACPI_NAME_SIZE+ACPI_INST_SIZE]; + char filename[ACPI_NAMESEG_SIZE+ACPI_INST_SIZE]; struct list_head node; }; @@ -368,10 +368,10 @@ static int acpi_table_attr_init(struct kobject *tables_obj, char instance_str[ACPI_INST_SIZE]; sysfs_attr_init(&table_attr->attr.attr); - ACPI_MOVE_NAME(table_attr->name, table_header->signature); + ACPI_COPY_NAMESEG(table_attr->name, table_header->signature); list_for_each_entry(attr, &acpi_table_attr_list, node) { - if (ACPI_COMPARE_NAME(table_attr->name, attr->name)) + if (ACPI_COMPARE_NAMESEG(table_attr->name, attr->name)) if (table_attr->instance < attr->instance) table_attr->instance = attr->instance; } @@ -382,8 +382,8 @@ static int acpi_table_attr_init(struct kobject *tables_obj, return -ERANGE; } - ACPI_MOVE_NAME(table_attr->filename, table_header->signature); - table_attr->filename[ACPI_NAME_SIZE] = '\0'; + ACPI_COPY_NAMESEG(table_attr->filename, table_header->signature); + table_attr->filename[ACPI_NAMESEG_SIZE] = '\0'; if (table_attr->instance > 1 || (table_attr->instance == 1 && !acpi_get_table (table_header->signature, 2, &header))) { @@ -484,7 +484,7 @@ static int acpi_table_data_init(struct acpi_table_header *th) int i; for (i = 0; i < NUM_ACPI_DATA_OBJS; i++) { - if (ACPI_COMPARE_NAME(th->signature, acpi_data_objs[i].name)) { + if (ACPI_COMPARE_NAMESEG(th->signature, acpi_data_objs[i].name)) { data_attr = kzalloc(sizeof(*data_attr), GFP_KERNEL); if (!data_attr) return -ENOMEM; diff --git a/drivers/acpi/tables.c b/drivers/acpi/tables.c index 8fccbe49612a..d7bf936b1646 100644 --- a/drivers/acpi/tables.c +++ b/drivers/acpi/tables.c @@ -240,8 +240,7 @@ void acpi_table_print_madt_entry(struct acpi_subtable_header *header) * On success returns sum of all matching entries for all proc handlers. * Otherwise, -ENODEV or -EINVAL is returned. */ -static int __init -acpi_parse_entries_array(char *id, unsigned long table_size, +static int __init acpi_parse_entries_array(char *id, unsigned long table_size, struct acpi_table_header *table_header, struct acpi_subtable_proc *proc, int proc_num, unsigned int max_entries) @@ -314,8 +313,7 @@ acpi_parse_entries_array(char *id, unsigned long table_size, return errs ? -EINVAL : count; } -int __init -acpi_table_parse_entries_array(char *id, +int __init acpi_table_parse_entries_array(char *id, unsigned long table_size, struct acpi_subtable_proc *proc, int proc_num, unsigned int max_entries) @@ -346,8 +344,7 @@ acpi_table_parse_entries_array(char *id, return count; } -int __init -acpi_table_parse_entries(char *id, +int __init acpi_table_parse_entries(char *id, unsigned long table_size, int entry_id, acpi_tbl_entry_handler handler, @@ -362,8 +359,7 @@ acpi_table_parse_entries(char *id, max_entries); } -int __init -acpi_table_parse_madt(enum acpi_madt_type id, +int __init acpi_table_parse_madt(enum acpi_madt_type id, acpi_tbl_entry_handler handler, unsigned int max_entries) { return acpi_table_parse_entries(ACPI_SIG_MADT, @@ -670,8 +666,8 @@ static void __init acpi_table_initrd_scan(void) table_length = table->length; /* Skip RSDT/XSDT which should only be used for override */ - if (ACPI_COMPARE_NAME(table->signature, ACPI_SIG_RSDT) || - ACPI_COMPARE_NAME(table->signature, ACPI_SIG_XSDT)) { + if (ACPI_COMPARE_NAMESEG(table->signature, ACPI_SIG_RSDT) || + ACPI_COMPARE_NAMESEG(table->signature, ACPI_SIG_XSDT)) { acpi_os_unmap_memory(table, ACPI_HEADER_SIZE); goto next_table; } @@ -725,8 +721,7 @@ static void *amlcode __attribute__ ((weakref("AmlCode"))); static void *dsdt_amlcode __attribute__ ((weakref("dsdt_aml_code"))); #endif -acpi_status -acpi_os_table_override(struct acpi_table_header *existing_table, +acpi_status acpi_os_table_override(struct acpi_table_header *existing_table, struct acpi_table_header **new_table) { if (!existing_table || !new_table) @@ -788,7 +783,6 @@ static int __init acpi_parse_apic_instance(char *str) return 0; } - early_param("acpi_apic_instance", acpi_parse_apic_instance); static int __init acpi_force_table_verification_setup(char *s) @@ -797,7 +791,6 @@ static int __init acpi_force_table_verification_setup(char *s) return 0; } - early_param("acpi_force_table_verification", acpi_force_table_verification_setup); static int __init acpi_force_32bit_fadt_addr(char *s) @@ -807,5 +800,4 @@ static int __init acpi_force_32bit_fadt_addr(char *s) return 0; } - early_param("acpi_force_32bit_fadt_addr", acpi_force_32bit_fadt_addr); diff --git a/drivers/acpi/utils.c b/drivers/acpi/utils.c index c4b06cc075f9..89363b245489 100644 --- a/drivers/acpi/utils.c +++ b/drivers/acpi/utils.c @@ -739,6 +739,7 @@ EXPORT_SYMBOL(acpi_dev_found); struct acpi_dev_match_info { const char *dev_name; + struct acpi_device *adev; struct acpi_device_id hid[2]; const char *uid; s64 hrv; @@ -759,6 +760,7 @@ static int acpi_dev_match_cb(struct device *dev, void *data) return 0; match->dev_name = acpi_dev_name(adev); + match->adev = adev; if (match->hrv == -1) return 1; @@ -806,18 +808,20 @@ bool acpi_dev_present(const char *hid, const char *uid, s64 hrv) EXPORT_SYMBOL(acpi_dev_present); /** - * acpi_dev_get_first_match_name - Return name of first match of ACPI device + * acpi_dev_get_first_match_dev - Return the first match of ACPI device * @hid: Hardware ID of the device. * @uid: Unique ID of the device, pass NULL to not check _UID * @hrv: Hardware Revision of the device, pass -1 to not check _HRV * - * Return device name if a matching device was present + * Return the first match of ACPI device if a matching device was present * at the moment of invocation, or NULL otherwise. * + * The caller is responsible to call put_device() on the returned device. + * * See additional information in acpi_dev_present() as well. */ -const char * -acpi_dev_get_first_match_name(const char *hid, const char *uid, s64 hrv) +struct acpi_device * +acpi_dev_get_first_match_dev(const char *hid, const char *uid, s64 hrv) { struct acpi_dev_match_info match = {}; struct device *dev; @@ -827,9 +831,9 @@ acpi_dev_get_first_match_name(const char *hid, const char *uid, s64 hrv) match.hrv = hrv; dev = bus_find_device(&acpi_bus_type, NULL, &match, acpi_dev_match_cb); - return dev ? match.dev_name : NULL; + return dev ? match.adev : NULL; } -EXPORT_SYMBOL(acpi_dev_get_first_match_name); +EXPORT_SYMBOL(acpi_dev_get_first_match_dev); /* * acpi_backlight= handling, this is done here rather then in video_detect.c diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c index 43587ac680e4..31014c7d3793 100644 --- a/drivers/acpi/video_detect.c +++ b/drivers/acpi/video_detect.c @@ -112,7 +112,7 @@ static int video_detect_force_none(const struct dmi_system_id *d) static const struct dmi_system_id video_detect_dmi_table[] = { /* On Samsung X360, the BIOS will set a flag (VDRV) if generic * ACPI backlight device is used. This flag will definitively break - * the backlight interface (even the vendor interface) untill next + * the backlight interface (even the vendor interface) until next * reboot. It's why we should prevent video.ko from being used here * and we can't rely on a later call to acpi_video_unregister(). */ @@ -141,6 +141,14 @@ static const struct dmi_system_id video_detect_dmi_table[] = { DMI_MATCH(DMI_PRODUCT_NAME, "UL30A"), }, }, + { + .callback = video_detect_force_vendor, + .ident = "Sony VPCEH3U1E", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), + DMI_MATCH(DMI_PRODUCT_NAME, "VPCEH3U1E"), + }, + }, /* * These models have a working acpi_video backlight control, and using diff --git a/drivers/atm/firestream.c b/drivers/atm/firestream.c index 11e1663bdc4d..b2c06da4f62e 100644 --- a/drivers/atm/firestream.c +++ b/drivers/atm/firestream.c @@ -1646,7 +1646,7 @@ static irqreturn_t fs_irq (int irq, void *dev_id) } if (status & ISR_TBRQ_W) { - fs_dprintk (FS_DEBUG_IRQ, "Data tramsitted!\n"); + fs_dprintk (FS_DEBUG_IRQ, "Data transmitted!\n"); process_txdone_queue (dev, &dev->tx_relq); } diff --git a/drivers/base/memory.c b/drivers/base/memory.c index cb8347500ce2..e49028a60429 100644 --- a/drivers/base/memory.c +++ b/drivers/base/memory.c @@ -506,7 +506,7 @@ static ssize_t probe_store(struct device *dev, struct device_attribute *attr, ret = lock_device_hotplug_sysfs(); if (ret) - goto out; + return ret; nid = memory_add_physaddr_to_nid(phys_addr); ret = __add_memory(nid, phys_addr, diff --git a/drivers/base/power/domain.c b/drivers/base/power/domain.c index 96a6dc9d305c..3d899e8abd58 100644 --- a/drivers/base/power/domain.c +++ b/drivers/base/power/domain.c @@ -22,6 +22,7 @@ #include <linux/sched.h> #include <linux/suspend.h> #include <linux/export.h> +#include <linux/cpu.h> #include "power.h" @@ -128,6 +129,7 @@ static const struct genpd_lock_ops genpd_spin_ops = { #define genpd_is_irq_safe(genpd) (genpd->flags & GENPD_FLAG_IRQ_SAFE) #define genpd_is_always_on(genpd) (genpd->flags & GENPD_FLAG_ALWAYS_ON) #define genpd_is_active_wakeup(genpd) (genpd->flags & GENPD_FLAG_ACTIVE_WAKEUP) +#define genpd_is_cpu_domain(genpd) (genpd->flags & GENPD_FLAG_CPU_DOMAIN) static inline bool irq_safe_dev_in_no_sleep_domain(struct device *dev, const struct generic_pm_domain *genpd) @@ -391,11 +393,9 @@ int dev_pm_genpd_set_performance_state(struct device *dev, unsigned int state) if (unlikely(!genpd->set_performance_state)) return -EINVAL; - if (unlikely(!dev->power.subsys_data || - !dev->power.subsys_data->domain_data)) { - WARN_ON(1); + if (WARN_ON(!dev->power.subsys_data || + !dev->power.subsys_data->domain_data)) return -EINVAL; - } genpd_lock(genpd); @@ -1396,8 +1396,7 @@ EXPORT_SYMBOL_GPL(pm_genpd_syscore_poweron); #endif /* CONFIG_PM_SLEEP */ -static struct generic_pm_domain_data *genpd_alloc_dev_data(struct device *dev, - struct gpd_timing_data *td) +static struct generic_pm_domain_data *genpd_alloc_dev_data(struct device *dev) { struct generic_pm_domain_data *gpd_data; int ret; @@ -1412,9 +1411,6 @@ static struct generic_pm_domain_data *genpd_alloc_dev_data(struct device *dev, goto err_put; } - if (td) - gpd_data->td = *td; - gpd_data->base.dev = dev; gpd_data->td.constraint_changed = true; gpd_data->td.effective_constraint_ns = PM_QOS_RESUME_LATENCY_NO_CONSTRAINT_NS; @@ -1454,8 +1450,57 @@ static void genpd_free_dev_data(struct device *dev, dev_pm_put_subsys_data(dev); } +static void genpd_update_cpumask(struct generic_pm_domain *genpd, + int cpu, bool set, unsigned int depth) +{ + struct gpd_link *link; + + if (!genpd_is_cpu_domain(genpd)) + return; + + list_for_each_entry(link, &genpd->slave_links, slave_node) { + struct generic_pm_domain *master = link->master; + + genpd_lock_nested(master, depth + 1); + genpd_update_cpumask(master, cpu, set, depth + 1); + genpd_unlock(master); + } + + if (set) + cpumask_set_cpu(cpu, genpd->cpus); + else + cpumask_clear_cpu(cpu, genpd->cpus); +} + +static void genpd_set_cpumask(struct generic_pm_domain *genpd, int cpu) +{ + if (cpu >= 0) + genpd_update_cpumask(genpd, cpu, true, 0); +} + +static void genpd_clear_cpumask(struct generic_pm_domain *genpd, int cpu) +{ + if (cpu >= 0) + genpd_update_cpumask(genpd, cpu, false, 0); +} + +static int genpd_get_cpu(struct generic_pm_domain *genpd, struct device *dev) +{ + int cpu; + + if (!genpd_is_cpu_domain(genpd)) + return -1; + + for_each_possible_cpu(cpu) { + if (get_cpu_device(cpu) == dev) + return cpu; + } + + return -1; +} + static int genpd_add_device(struct generic_pm_domain *genpd, struct device *dev, - struct gpd_timing_data *td) + struct device *base_dev) { struct generic_pm_domain_data *gpd_data; int ret; @@ -1465,16 +1510,19 @@ static int genpd_add_device(struct generic_pm_domain *genpd, struct device *dev, if (IS_ERR_OR_NULL(genpd) || IS_ERR_OR_NULL(dev)) return -EINVAL; - gpd_data = genpd_alloc_dev_data(dev, td); + gpd_data = genpd_alloc_dev_data(dev); if (IS_ERR(gpd_data)) return PTR_ERR(gpd_data); + gpd_data->cpu = genpd_get_cpu(genpd, base_dev); + ret = genpd->attach_dev ? genpd->attach_dev(genpd, dev) : 0; if (ret) goto out; genpd_lock(genpd); + genpd_set_cpumask(genpd, gpd_data->cpu); dev_pm_domain_set(dev, &genpd->domain); genpd->device_count++; @@ -1502,7 +1550,7 @@ int pm_genpd_add_device(struct generic_pm_domain *genpd, struct device *dev) int ret; mutex_lock(&gpd_list_lock); - ret = genpd_add_device(genpd, dev, NULL); + ret = genpd_add_device(genpd, dev, dev); mutex_unlock(&gpd_list_lock); return ret; @@ -1532,6 +1580,7 @@ static int genpd_remove_device(struct generic_pm_domain *genpd, genpd->device_count--; genpd->max_off_time_changed = true; + genpd_clear_cpumask(genpd, gpd_data->cpu); dev_pm_domain_set(dev, NULL); list_del_init(&pdd->list_node); @@ -1686,6 +1735,12 @@ out: } EXPORT_SYMBOL_GPL(pm_genpd_remove_subdomain); +static void genpd_free_default_power_state(struct genpd_power_state *states, + unsigned int state_count) +{ + kfree(states); +} + static int genpd_set_default_power_state(struct generic_pm_domain *genpd) { struct genpd_power_state *state; @@ -1696,7 +1751,7 @@ static int genpd_set_default_power_state(struct generic_pm_domain *genpd) genpd->states = state; genpd->state_count = 1; - genpd->free = state; + genpd->free_states = genpd_free_default_power_state; return 0; } @@ -1762,11 +1817,18 @@ int pm_genpd_init(struct generic_pm_domain *genpd, if (genpd_is_always_on(genpd) && !genpd_status_on(genpd)) return -EINVAL; + if (genpd_is_cpu_domain(genpd) && + !zalloc_cpumask_var(&genpd->cpus, GFP_KERNEL)) + return -ENOMEM; + /* Use only one "off" state if there were no states declared */ if (genpd->state_count == 0) { ret = genpd_set_default_power_state(genpd); - if (ret) + if (ret) { + if (genpd_is_cpu_domain(genpd)) + free_cpumask_var(genpd->cpus); return ret; + } } else if (!gov && genpd->state_count > 1) { pr_warn("%s: no governor for states\n", genpd->name); } @@ -1812,7 +1874,11 @@ static int genpd_remove(struct generic_pm_domain *genpd) list_del(&genpd->gpd_list_node); genpd_unlock(genpd); cancel_work_sync(&genpd->power_off_work); - kfree(genpd->free); + if (genpd_is_cpu_domain(genpd)) + free_cpumask_var(genpd->cpus); + if (genpd->free_states) + genpd->free_states(genpd->states, genpd->state_count); + pr_debug("%s: removed %s\n", __func__, genpd->name); return 0; @@ -2190,7 +2256,7 @@ int of_genpd_add_device(struct of_phandle_args *genpdspec, struct device *dev) goto out; } - ret = genpd_add_device(genpd, dev, NULL); + ret = genpd_add_device(genpd, dev, dev); out: mutex_unlock(&gpd_list_lock); @@ -2274,6 +2340,7 @@ EXPORT_SYMBOL_GPL(of_genpd_remove_last); static void genpd_release_dev(struct device *dev) { + of_node_put(dev->of_node); kfree(dev); } @@ -2335,14 +2402,14 @@ static void genpd_dev_pm_sync(struct device *dev) genpd_queue_power_off_work(pd); } -static int __genpd_dev_pm_attach(struct device *dev, struct device_node *np, +static int __genpd_dev_pm_attach(struct device *dev, struct device *base_dev, unsigned int index, bool power_on) { struct of_phandle_args pd_args; struct generic_pm_domain *pd; int ret; - ret = of_parse_phandle_with_args(np, "power-domains", + ret = of_parse_phandle_with_args(dev->of_node, "power-domains", "#power-domain-cells", index, &pd_args); if (ret < 0) return ret; @@ -2354,12 +2421,12 @@ static int __genpd_dev_pm_attach(struct device *dev, struct device_node *np, mutex_unlock(&gpd_list_lock); dev_dbg(dev, "%s() failed to find PM domain: %ld\n", __func__, PTR_ERR(pd)); - return driver_deferred_probe_check_state(dev); + return driver_deferred_probe_check_state(base_dev); } dev_dbg(dev, "adding to PM domain %s\n", pd->name); - ret = genpd_add_device(pd, dev, NULL); + ret = genpd_add_device(pd, dev, base_dev); mutex_unlock(&gpd_list_lock); if (ret < 0) { @@ -2410,7 +2477,7 @@ int genpd_dev_pm_attach(struct device *dev) "#power-domain-cells") != 1) return 0; - return __genpd_dev_pm_attach(dev, dev->of_node, 0, true); + return __genpd_dev_pm_attach(dev, dev, 0, true); } EXPORT_SYMBOL_GPL(genpd_dev_pm_attach); @@ -2440,10 +2507,10 @@ struct device *genpd_dev_pm_attach_by_id(struct device *dev, if (!dev->of_node) return NULL; - /* Deal only with devices using multiple PM domains. */ + /* Verify that the index is within a valid range. */ num_domains = of_count_phandle_with_args(dev->of_node, "power-domains", "#power-domain-cells"); - if (num_domains < 2 || index >= num_domains) + if (index >= num_domains) return NULL; /* Allocate and register device on the genpd bus. */ @@ -2454,15 +2521,16 @@ struct device *genpd_dev_pm_attach_by_id(struct device *dev, dev_set_name(virt_dev, "genpd:%u:%s", index, dev_name(dev)); virt_dev->bus = &genpd_bus_type; virt_dev->release = genpd_release_dev; + virt_dev->of_node = of_node_get(dev->of_node); ret = device_register(virt_dev); if (ret) { - kfree(virt_dev); + put_device(virt_dev); return ERR_PTR(ret); } /* Try to attach the device to the PM domain at the specified index. */ - ret = __genpd_dev_pm_attach(virt_dev, dev->of_node, index, false); + ret = __genpd_dev_pm_attach(virt_dev, dev, index, false); if (ret < 1) { device_unregister(virt_dev); return ret ? ERR_PTR(ret) : NULL; diff --git a/drivers/base/power/domain_governor.c b/drivers/base/power/domain_governor.c index 4d07e38a8247..7912bc957244 100644 --- a/drivers/base/power/domain_governor.c +++ b/drivers/base/power/domain_governor.c @@ -10,6 +10,9 @@ #include <linux/pm_domain.h> #include <linux/pm_qos.h> #include <linux/hrtimer.h> +#include <linux/cpuidle.h> +#include <linux/cpumask.h> +#include <linux/ktime.h> static int dev_update_qos_constraint(struct device *dev, void *data) { @@ -210,8 +213,10 @@ static bool default_power_down_ok(struct dev_pm_domain *pd) struct generic_pm_domain *genpd = pd_to_genpd(pd); struct gpd_link *link; - if (!genpd->max_off_time_changed) + if (!genpd->max_off_time_changed) { + genpd->state_idx = genpd->cached_power_down_state_idx; return genpd->cached_power_down_ok; + } /* * We have to invalidate the cached results for the masters, so @@ -236,6 +241,7 @@ static bool default_power_down_ok(struct dev_pm_domain *pd) genpd->state_idx--; } + genpd->cached_power_down_state_idx = genpd->state_idx; return genpd->cached_power_down_ok; } @@ -244,6 +250,65 @@ static bool always_on_power_down_ok(struct dev_pm_domain *domain) return false; } +#ifdef CONFIG_CPU_IDLE +static bool cpu_power_down_ok(struct dev_pm_domain *pd) +{ + struct generic_pm_domain *genpd = pd_to_genpd(pd); + struct cpuidle_device *dev; + ktime_t domain_wakeup, next_hrtimer; + s64 idle_duration_ns; + int cpu, i; + + /* Validate dev PM QoS constraints. */ + if (!default_power_down_ok(pd)) + return false; + + if (!(genpd->flags & GENPD_FLAG_CPU_DOMAIN)) + return true; + + /* + * Find the next wakeup for any of the online CPUs within the PM domain + * and its subdomains. Note, we only need the genpd->cpus, as it already + * contains a mask of all CPUs from subdomains. + */ + domain_wakeup = ktime_set(KTIME_SEC_MAX, 0); + for_each_cpu_and(cpu, genpd->cpus, cpu_online_mask) { + dev = per_cpu(cpuidle_devices, cpu); + if (dev) { + next_hrtimer = READ_ONCE(dev->next_hrtimer); + if (ktime_before(next_hrtimer, domain_wakeup)) + domain_wakeup = next_hrtimer; + } + } + + /* The minimum idle duration is from now - until the next wakeup. */ + idle_duration_ns = ktime_to_ns(ktime_sub(domain_wakeup, ktime_get())); + if (idle_duration_ns <= 0) + return false; + + /* + * Find the deepest idle state that has its residency value satisfied + * and by also taking into account the power off latency for the state. + * Start at the state picked by the dev PM QoS constraint validation. + */ + i = genpd->state_idx; + do { + if (idle_duration_ns >= (genpd->states[i].residency_ns + + genpd->states[i].power_off_latency_ns)) { + genpd->state_idx = i; + return true; + } + } while (--i >= 0); + + return false; +} + +struct dev_power_governor pm_domain_cpu_gov = { + .suspend_ok = default_suspend_ok, + .power_down_ok = cpu_power_down_ok, +}; +#endif + struct dev_power_governor simple_qos_governor = { .suspend_ok = default_suspend_ok, .power_down_ok = default_power_down_ok, diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c index f80d298de3fa..43e863cc0c1b 100644 --- a/drivers/base/power/main.c +++ b/drivers/base/power/main.c @@ -478,7 +478,7 @@ struct dpm_watchdog { /** * dpm_watchdog_handler - Driver suspend / resume watchdog handler. - * @data: Watchdog object address. + * @t: The timer that PM watchdog depends on. * * Called when a driver has timed out suspending or resuming. * There's not much we can do here to recover so panic() to @@ -706,6 +706,19 @@ static bool is_async(struct device *dev) && !pm_trace_is_enabled(); } +static bool dpm_async_fn(struct device *dev, async_func_t func) +{ + reinit_completion(&dev->power.completion); + + if (is_async(dev)) { + get_device(dev); + async_schedule(func, dev); + return true; + } + + return false; +} + static void async_resume_noirq(void *data, async_cookie_t cookie) { struct device *dev = (struct device *)data; @@ -732,13 +745,8 @@ void dpm_noirq_resume_devices(pm_message_t state) * in case the starting of async threads is * delayed by non-async resuming devices. */ - list_for_each_entry(dev, &dpm_noirq_list, power.entry) { - reinit_completion(&dev->power.completion); - if (is_async(dev)) { - get_device(dev); - async_schedule_dev(async_resume_noirq, dev); - } - } + list_for_each_entry(dev, &dpm_noirq_list, power.entry) + dpm_async_fn(dev, async_resume_noirq); while (!list_empty(&dpm_noirq_list)) { dev = to_device(dpm_noirq_list.next); @@ -889,13 +897,8 @@ void dpm_resume_early(pm_message_t state) * in case the starting of async threads is * delayed by non-async resuming devices. */ - list_for_each_entry(dev, &dpm_late_early_list, power.entry) { - reinit_completion(&dev->power.completion); - if (is_async(dev)) { - get_device(dev); - async_schedule_dev(async_resume_early, dev); - } - } + list_for_each_entry(dev, &dpm_late_early_list, power.entry) + dpm_async_fn(dev, async_resume_early); while (!list_empty(&dpm_late_early_list)) { dev = to_device(dpm_late_early_list.next); @@ -1053,13 +1056,8 @@ void dpm_resume(pm_message_t state) pm_transition = state; async_error = 0; - list_for_each_entry(dev, &dpm_suspended_list, power.entry) { - reinit_completion(&dev->power.completion); - if (is_async(dev)) { - get_device(dev); - async_schedule_dev(async_resume, dev); - } - } + list_for_each_entry(dev, &dpm_suspended_list, power.entry) + dpm_async_fn(dev, async_resume); while (!list_empty(&dpm_suspended_list)) { dev = to_device(dpm_suspended_list.next); @@ -1373,13 +1371,9 @@ static void async_suspend_noirq(void *data, async_cookie_t cookie) static int device_suspend_noirq(struct device *dev) { - reinit_completion(&dev->power.completion); - - if (is_async(dev)) { - get_device(dev); - async_schedule_dev(async_suspend_noirq, dev); + if (dpm_async_fn(dev, async_suspend_noirq)) return 0; - } + return __device_suspend_noirq(dev, pm_transition, false); } @@ -1576,13 +1570,8 @@ static void async_suspend_late(void *data, async_cookie_t cookie) static int device_suspend_late(struct device *dev) { - reinit_completion(&dev->power.completion); - - if (is_async(dev)) { - get_device(dev); - async_schedule_dev(async_suspend_late, dev); + if (dpm_async_fn(dev, async_suspend_late)) return 0; - } return __device_suspend_late(dev, pm_transition, false); } @@ -1747,6 +1736,10 @@ static int __device_suspend(struct device *dev, pm_message_t state, bool async) if (dev->power.syscore) goto Complete; + /* Avoid direct_complete to let wakeup_path propagate. */ + if (device_may_wakeup(dev) || dev->power.wakeup_path) + dev->power.direct_complete = false; + if (dev->power.direct_complete) { if (pm_runtime_status_suspended(dev)) { pm_runtime_disable(dev); @@ -1842,13 +1835,8 @@ static void async_suspend(void *data, async_cookie_t cookie) static int device_suspend(struct device *dev) { - reinit_completion(&dev->power.completion); - - if (is_async(dev)) { - get_device(dev); - async_schedule_dev(async_suspend, dev); + if (dpm_async_fn(dev, async_suspend)) return 0; - } return __device_suspend(dev, pm_transition, false); } @@ -2069,8 +2057,8 @@ EXPORT_SYMBOL_GPL(__suspend_report_result); /** * device_pm_wait_for_dev - Wait for suspend/resume of a device to complete. - * @dev: Device to wait for. * @subordinate: Device that needs to wait for @dev. + * @dev: Device to wait for. */ int device_pm_wait_for_dev(struct device *subordinate, struct device *dev) { diff --git a/drivers/base/power/wakeup.c b/drivers/base/power/wakeup.c index bb1ae175fae1..23c243a4c675 100644 --- a/drivers/base/power/wakeup.c +++ b/drivers/base/power/wakeup.c @@ -804,7 +804,7 @@ void pm_print_active_wakeup_sources(void) srcuidx = srcu_read_lock(&wakeup_srcu); list_for_each_entry_rcu(ws, &wakeup_sources, entry) { if (ws->active) { - pr_debug("active wakeup source: %s\n", ws->name); + pm_pr_dbg("active wakeup source: %s\n", ws->name); active = 1; } else if (!active && (!last_activity_ws || @@ -815,7 +815,7 @@ void pm_print_active_wakeup_sources(void) } if (!active && last_activity_ws) - pr_debug("last active wakeup source: %s\n", + pm_pr_dbg("last active wakeup source: %s\n", last_activity_ws->name); srcu_read_unlock(&wakeup_srcu, srcuidx); } @@ -845,7 +845,7 @@ bool pm_wakeup_pending(void) raw_spin_unlock_irqrestore(&events_lock, flags); if (ret) { - pr_debug("Wakeup pending, aborting suspend\n"); + pm_pr_dbg("Wakeup pending, aborting suspend\n"); pm_print_active_wakeup_sources(); } diff --git a/drivers/base/property.c b/drivers/base/property.c index 8b91ab380d14..348b37e64944 100644 --- a/drivers/base/property.c +++ b/drivers/base/property.c @@ -984,6 +984,81 @@ fwnode_graph_get_remote_node(const struct fwnode_handle *fwnode, u32 port_id, EXPORT_SYMBOL_GPL(fwnode_graph_get_remote_node); /** + * fwnode_graph_get_endpoint_by_id - get endpoint by port and endpoint numbers + * @fwnode: parent fwnode_handle containing the graph + * @port: identifier of the port node + * @endpoint: identifier of the endpoint node under the port node + * @flags: fwnode lookup flags + * + * Return the fwnode handle of the local endpoint corresponding the port and + * endpoint IDs or NULL if not found. + * + * If FWNODE_GRAPH_ENDPOINT_NEXT is passed in @flags and the specified endpoint + * has not been found, look for the closest endpoint ID greater than the + * specified one and return the endpoint that corresponds to it, if present. + * + * Do not return endpoints that belong to disabled devices, unless + * FWNODE_GRAPH_DEVICE_DISABLED is passed in @flags. + * + * The returned endpoint needs to be released by calling fwnode_handle_put() on + * it when it is not needed any more. + */ +struct fwnode_handle * +fwnode_graph_get_endpoint_by_id(const struct fwnode_handle *fwnode, + u32 port, u32 endpoint, unsigned long flags) +{ + struct fwnode_handle *ep = NULL, *best_ep = NULL; + unsigned int best_ep_id = 0; + bool endpoint_next = flags & FWNODE_GRAPH_ENDPOINT_NEXT; + bool enabled_only = !(flags & FWNODE_GRAPH_DEVICE_DISABLED); + + while ((ep = fwnode_graph_get_next_endpoint(fwnode, ep))) { + struct fwnode_endpoint fwnode_ep = { 0 }; + int ret; + + if (enabled_only) { + struct fwnode_handle *dev_node; + bool available; + + dev_node = fwnode_graph_get_remote_port_parent(ep); + available = fwnode_device_is_available(dev_node); + fwnode_handle_put(dev_node); + if (!available) + continue; + } + + ret = fwnode_graph_parse_endpoint(ep, &fwnode_ep); + if (ret < 0) + continue; + + if (fwnode_ep.port != port) + continue; + + if (fwnode_ep.id == endpoint) + return ep; + + if (!endpoint_next) + continue; + + /* + * If the endpoint that has just been found is not the first + * matching one and the ID of the one found previously is closer + * to the requested endpoint ID, skip it. + */ + if (fwnode_ep.id < endpoint || + (best_ep && best_ep_id < fwnode_ep.id)) + continue; + + fwnode_handle_put(best_ep); + best_ep = fwnode_handle_get(ep); + best_ep_id = fwnode_ep.id; + } + + return best_ep; +} +EXPORT_SYMBOL_GPL(fwnode_graph_get_endpoint_by_id); + +/** * fwnode_graph_parse_endpoint - parse common endpoint node properties * @fwnode: pointer to endpoint fwnode_handle * @endpoint: pointer to the fwnode endpoint data structure diff --git a/drivers/block/null_blk_main.c b/drivers/block/null_blk_main.c index 417a9f15c116..d7ac09c092f2 100644 --- a/drivers/block/null_blk_main.c +++ b/drivers/block/null_blk_main.c @@ -1748,6 +1748,11 @@ static int __init null_init(void) return -EINVAL; } + if (g_home_node != NUMA_NO_NODE && g_home_node >= nr_online_nodes) { + pr_err("null_blk: invalid home_node value\n"); + g_home_node = NUMA_NO_NODE; + } + if (g_queue_mode == NULL_Q_RQ) { pr_err("null_blk: legacy IO path no longer available\n"); return -EINVAL; diff --git a/drivers/block/paride/pcd.c b/drivers/block/paride/pcd.c index 377a694dc228..6d415b20fb70 100644 --- a/drivers/block/paride/pcd.c +++ b/drivers/block/paride/pcd.c @@ -314,6 +314,7 @@ static void pcd_init_units(void) disk->queue = blk_mq_init_sq_queue(&cd->tag_set, &pcd_mq_ops, 1, BLK_MQ_F_SHOULD_MERGE); if (IS_ERR(disk->queue)) { + put_disk(disk); disk->queue = NULL; continue; } @@ -750,6 +751,8 @@ static int pcd_detect(void) printk("%s: No CD-ROM drive found\n", name); for (unit = 0, cd = pcd; unit < PCD_UNITS; unit++, cd++) { + if (!cd->disk) + continue; blk_cleanup_queue(cd->disk->queue); cd->disk->queue = NULL; blk_mq_free_tag_set(&cd->tag_set); @@ -1010,8 +1013,14 @@ static int __init pcd_init(void) pcd_probe_capabilities(); if (register_blkdev(major, name)) { - for (unit = 0, cd = pcd; unit < PCD_UNITS; unit++, cd++) + for (unit = 0, cd = pcd; unit < PCD_UNITS; unit++, cd++) { + if (!cd->disk) + continue; + + blk_cleanup_queue(cd->disk->queue); + blk_mq_free_tag_set(&cd->tag_set); put_disk(cd->disk); + } return -EBUSY; } @@ -1032,6 +1041,9 @@ static void __exit pcd_exit(void) int unit; for (unit = 0, cd = pcd; unit < PCD_UNITS; unit++, cd++) { + if (!cd->disk) + continue; + if (cd->present) { del_gendisk(cd->disk); pi_release(cd->pi); diff --git a/drivers/block/paride/pf.c b/drivers/block/paride/pf.c index 103b617cdc31..35e6e271b219 100644 --- a/drivers/block/paride/pf.c +++ b/drivers/block/paride/pf.c @@ -762,6 +762,8 @@ static int pf_detect(void) printk("%s: No ATAPI disk detected\n", name); for (pf = units, unit = 0; unit < PF_UNITS; pf++, unit++) { + if (!pf->disk) + continue; blk_cleanup_queue(pf->disk->queue); pf->disk->queue = NULL; blk_mq_free_tag_set(&pf->tag_set); @@ -1029,8 +1031,13 @@ static int __init pf_init(void) pf_busy = 0; if (register_blkdev(major, name)) { - for (pf = units, unit = 0; unit < PF_UNITS; pf++, unit++) + for (pf = units, unit = 0; unit < PF_UNITS; pf++, unit++) { + if (!pf->disk) + continue; + blk_cleanup_queue(pf->disk->queue); + blk_mq_free_tag_set(&pf->tag_set); put_disk(pf->disk); + } return -EBUSY; } @@ -1051,6 +1058,9 @@ static void __exit pf_exit(void) int unit; unregister_blkdev(major, name); for (pf = units, unit = 0; unit < PF_UNITS; pf++, unit++) { + if (!pf->disk) + continue; + if (pf->present) del_gendisk(pf->disk); diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c index 4bc083b7c9b5..2a7ca4a1e6f7 100644 --- a/drivers/block/virtio_blk.c +++ b/drivers/block/virtio_blk.c @@ -513,6 +513,8 @@ static int init_vq(struct virtio_blk *vblk) if (err) num_vqs = 1; + num_vqs = min_t(unsigned int, nr_cpu_ids, num_vqs); + vblk->vqs = kmalloc_array(num_vqs, sizeof(*vblk->vqs), GFP_KERNEL); if (!vblk->vqs) return -ENOMEM; diff --git a/drivers/block/xsysace.c b/drivers/block/xsysace.c index 87ccef4bd69e..32a21b8d1d85 100644 --- a/drivers/block/xsysace.c +++ b/drivers/block/xsysace.c @@ -1090,6 +1090,8 @@ static int ace_setup(struct ace_device *ace) return 0; err_read: + /* prevent double queue cleanup */ + ace->gd->queue = NULL; put_disk(ace->gd); err_alloc_disk: blk_cleanup_queue(ace->queue); diff --git a/drivers/block/zram/zram_drv.c b/drivers/block/zram/zram_drv.c index 399cad7daae7..d58a359a6622 100644 --- a/drivers/block/zram/zram_drv.c +++ b/drivers/block/zram/zram_drv.c @@ -774,18 +774,18 @@ struct zram_work { struct zram *zram; unsigned long entry; struct bio *bio; + struct bio_vec bvec; }; #if PAGE_SIZE != 4096 static void zram_sync_read(struct work_struct *work) { - struct bio_vec bvec; struct zram_work *zw = container_of(work, struct zram_work, work); struct zram *zram = zw->zram; unsigned long entry = zw->entry; struct bio *bio = zw->bio; - read_from_bdev_async(zram, &bvec, entry, bio); + read_from_bdev_async(zram, &zw->bvec, entry, bio); } /* @@ -798,6 +798,7 @@ static int read_from_bdev_sync(struct zram *zram, struct bio_vec *bvec, { struct zram_work work; + work.bvec = *bvec; work.zram = zram; work.entry = entry; work.bio = bio; diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c index ded198328f21..7db48ae65cd2 100644 --- a/drivers/bluetooth/btusb.c +++ b/drivers/bluetooth/btusb.c @@ -2942,6 +2942,7 @@ static int btusb_config_oob_wake(struct hci_dev *hdev) return 0; } + irq_set_status_flags(irq, IRQ_NOAUTOEN); ret = devm_request_irq(&hdev->dev, irq, btusb_oob_wake_handler, 0, "OOB Wake-on-BT", data); if (ret) { @@ -2956,7 +2957,6 @@ static int btusb_config_oob_wake(struct hci_dev *hdev) } data->oob_wake_irq = irq; - disable_irq(irq); bt_dev_info(hdev, "OOB Wake-on-BT configured at IRQ %u", irq); return 0; } diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig index 72866a004f07..466ebd84ad17 100644 --- a/drivers/char/Kconfig +++ b/drivers/char/Kconfig @@ -348,7 +348,7 @@ config XILINX_HWICAP config R3964 tristate "Siemens R3964 line discipline" - depends on TTY + depends on TTY && BROKEN ---help--- This driver allows synchronous communication with devices using the Siemens R3964 packet protocol. Unless you are dealing with special diff --git a/drivers/char/ipmi/ipmi_dmi.c b/drivers/char/ipmi/ipmi_dmi.c index ff0b199be472..f2411468f33f 100644 --- a/drivers/char/ipmi/ipmi_dmi.c +++ b/drivers/char/ipmi/ipmi_dmi.c @@ -66,7 +66,6 @@ static void __init dmi_add_platform_ipmi(unsigned long base_addr, return; } - memset(&p, 0, sizeof(p)); p.addr = base_addr; p.space = space; p.regspacing = offset; diff --git a/drivers/char/ipmi/ipmi_msghandler.c b/drivers/char/ipmi/ipmi_msghandler.c index e8ba67834746..00bf4b17edbf 100644 --- a/drivers/char/ipmi/ipmi_msghandler.c +++ b/drivers/char/ipmi/ipmi_msghandler.c @@ -214,6 +214,9 @@ struct ipmi_user { /* Does this interface receive IPMI events? */ bool gets_events; + + /* Free must run in process context for RCU cleanup. */ + struct work_struct remove_work; }; static struct ipmi_user *acquire_ipmi_user(struct ipmi_user *user, int *index) @@ -1157,6 +1160,15 @@ static int intf_err_seq(struct ipmi_smi *intf, return rv; } +static void free_user_work(struct work_struct *work) +{ + struct ipmi_user *user = container_of(work, struct ipmi_user, + remove_work); + + cleanup_srcu_struct(&user->release_barrier); + kfree(user); +} + int ipmi_create_user(unsigned int if_num, const struct ipmi_user_hndl *handler, void *handler_data, @@ -1200,6 +1212,8 @@ int ipmi_create_user(unsigned int if_num, goto out_kfree; found: + INIT_WORK(&new_user->remove_work, free_user_work); + rv = init_srcu_struct(&new_user->release_barrier); if (rv) goto out_kfree; @@ -1260,8 +1274,9 @@ EXPORT_SYMBOL(ipmi_get_smi_info); static void free_user(struct kref *ref) { struct ipmi_user *user = container_of(ref, struct ipmi_user, refcount); - cleanup_srcu_struct(&user->release_barrier); - kfree(user); + + /* SRCU cleanup must happen in task context. */ + schedule_work(&user->remove_work); } static void _ipmi_destroy_user(struct ipmi_user *user) diff --git a/drivers/char/ipmi/ipmi_si_hardcode.c b/drivers/char/ipmi/ipmi_si_hardcode.c index 01946cad3d13..682221eebd66 100644 --- a/drivers/char/ipmi/ipmi_si_hardcode.c +++ b/drivers/char/ipmi/ipmi_si_hardcode.c @@ -118,6 +118,8 @@ void __init ipmi_hardcode_init(void) char *str; char *si_type[SI_MAX_PARMS]; + memset(si_type, 0, sizeof(si_type)); + /* Parse out the si_type string into its components. */ str = si_type_str; if (*str != '\0') { diff --git a/drivers/char/tpm/eventlog/tpm2.c b/drivers/char/tpm/eventlog/tpm2.c index d8b77133a83a..f824563fc28d 100644 --- a/drivers/char/tpm/eventlog/tpm2.c +++ b/drivers/char/tpm/eventlog/tpm2.c @@ -37,8 +37,8 @@ * * Returns size of the event. If it is an invalid event, returns 0. */ -static int calc_tpm2_event_size(struct tcg_pcr_event2_head *event, - struct tcg_pcr_event *event_header) +static size_t calc_tpm2_event_size(struct tcg_pcr_event2_head *event, + struct tcg_pcr_event *event_header) { struct tcg_efi_specid_event_head *efispecid; struct tcg_event_field *event_field; diff --git a/drivers/char/tpm/tpm-dev-common.c b/drivers/char/tpm/tpm-dev-common.c index 8856cce5a23b..817ae09a369e 100644 --- a/drivers/char/tpm/tpm-dev-common.c +++ b/drivers/char/tpm/tpm-dev-common.c @@ -233,12 +233,19 @@ __poll_t tpm_common_poll(struct file *file, poll_table *wait) __poll_t mask = 0; poll_wait(file, &priv->async_wait, wait); + mutex_lock(&priv->buffer_mutex); - if (!priv->response_read || priv->response_length) + /* + * The response_length indicates if there is still response + * (or part of it) to be consumed. Partial reads decrease it + * by the number of bytes read, and write resets it the zero. + */ + if (priv->response_length) mask = EPOLLIN | EPOLLRDNORM; else mask = EPOLLOUT | EPOLLWRNORM; + mutex_unlock(&priv->buffer_mutex); return mask; } diff --git a/drivers/char/tpm/tpm-interface.c b/drivers/char/tpm/tpm-interface.c index 83ece5639f86..ae1030c9b086 100644 --- a/drivers/char/tpm/tpm-interface.c +++ b/drivers/char/tpm/tpm-interface.c @@ -402,15 +402,13 @@ int tpm_pm_suspend(struct device *dev) if (chip->flags & TPM_CHIP_FLAG_ALWAYS_POWERED) return 0; - if (chip->flags & TPM_CHIP_FLAG_TPM2) { - mutex_lock(&chip->tpm_mutex); - if (!tpm_chip_start(chip)) { + if (!tpm_chip_start(chip)) { + if (chip->flags & TPM_CHIP_FLAG_TPM2) tpm2_shutdown(chip, TPM2_SU_STATE); - tpm_chip_stop(chip); - } - mutex_unlock(&chip->tpm_mutex); - } else { - rc = tpm1_pm_suspend(chip, tpm_suspend_pcr); + else + rc = tpm1_pm_suspend(chip, tpm_suspend_pcr); + + tpm_chip_stop(chip); } return rc; diff --git a/drivers/clk/at91/clk-programmable.c b/drivers/clk/at91/clk-programmable.c index 89d6f3736dbf..f8edbb65eda3 100644 --- a/drivers/clk/at91/clk-programmable.c +++ b/drivers/clk/at91/clk-programmable.c @@ -20,8 +20,7 @@ #define PROG_ID_MAX 7 #define PROG_STATUS_MASK(id) (1 << ((id) + 8)) -#define PROG_PRES_MASK 0x7 -#define PROG_PRES(layout, pckr) ((pckr >> layout->pres_shift) & PROG_PRES_MASK) +#define PROG_PRES(layout, pckr) ((pckr >> layout->pres_shift) & layout->pres_mask) #define PROG_MAX_RM9200_CSS 3 struct clk_programmable { @@ -37,20 +36,29 @@ static unsigned long clk_programmable_recalc_rate(struct clk_hw *hw, unsigned long parent_rate) { struct clk_programmable *prog = to_clk_programmable(hw); + const struct clk_programmable_layout *layout = prog->layout; unsigned int pckr; + unsigned long rate; regmap_read(prog->regmap, AT91_PMC_PCKR(prog->id), &pckr); - return parent_rate >> PROG_PRES(prog->layout, pckr); + if (layout->is_pres_direct) + rate = parent_rate / (PROG_PRES(layout, pckr) + 1); + else + rate = parent_rate >> PROG_PRES(layout, pckr); + + return rate; } static int clk_programmable_determine_rate(struct clk_hw *hw, struct clk_rate_request *req) { + struct clk_programmable *prog = to_clk_programmable(hw); + const struct clk_programmable_layout *layout = prog->layout; struct clk_hw *parent; long best_rate = -EINVAL; unsigned long parent_rate; - unsigned long tmp_rate; + unsigned long tmp_rate = 0; int shift; int i; @@ -60,10 +68,18 @@ static int clk_programmable_determine_rate(struct clk_hw *hw, continue; parent_rate = clk_hw_get_rate(parent); - for (shift = 0; shift < PROG_PRES_MASK; shift++) { - tmp_rate = parent_rate >> shift; - if (tmp_rate <= req->rate) - break; + if (layout->is_pres_direct) { + for (shift = 0; shift <= layout->pres_mask; shift++) { + tmp_rate = parent_rate / (shift + 1); + if (tmp_rate <= req->rate) + break; + } + } else { + for (shift = 0; shift < layout->pres_mask; shift++) { + tmp_rate = parent_rate >> shift; + if (tmp_rate <= req->rate) + break; + } } if (tmp_rate > req->rate) @@ -137,16 +153,23 @@ static int clk_programmable_set_rate(struct clk_hw *hw, unsigned long rate, if (!div) return -EINVAL; - shift = fls(div) - 1; + if (layout->is_pres_direct) { + shift = div - 1; - if (div != (1 << shift)) - return -EINVAL; + if (shift > layout->pres_mask) + return -EINVAL; + } else { + shift = fls(div) - 1; - if (shift >= PROG_PRES_MASK) - return -EINVAL; + if (div != (1 << shift)) + return -EINVAL; + + if (shift >= layout->pres_mask) + return -EINVAL; + } regmap_update_bits(prog->regmap, AT91_PMC_PCKR(prog->id), - PROG_PRES_MASK << layout->pres_shift, + layout->pres_mask << layout->pres_shift, shift << layout->pres_shift); return 0; @@ -202,19 +225,25 @@ at91_clk_register_programmable(struct regmap *regmap, } const struct clk_programmable_layout at91rm9200_programmable_layout = { + .pres_mask = 0x7, .pres_shift = 2, .css_mask = 0x3, .have_slck_mck = 0, + .is_pres_direct = 0, }; const struct clk_programmable_layout at91sam9g45_programmable_layout = { + .pres_mask = 0x7, .pres_shift = 2, .css_mask = 0x3, .have_slck_mck = 1, + .is_pres_direct = 0, }; const struct clk_programmable_layout at91sam9x5_programmable_layout = { + .pres_mask = 0x7, .pres_shift = 4, .css_mask = 0x7, .have_slck_mck = 0, + .is_pres_direct = 0, }; diff --git a/drivers/clk/at91/pmc.h b/drivers/clk/at91/pmc.h index 672a79bda88c..a0e5ce9c9b9e 100644 --- a/drivers/clk/at91/pmc.h +++ b/drivers/clk/at91/pmc.h @@ -71,9 +71,11 @@ struct clk_pll_characteristics { }; struct clk_programmable_layout { + u8 pres_mask; u8 pres_shift; u8 css_mask; u8 have_slck_mck; + u8 is_pres_direct; }; extern const struct clk_programmable_layout at91rm9200_programmable_layout; diff --git a/drivers/clk/at91/sama5d2.c b/drivers/clk/at91/sama5d2.c index 1f70cb164b06..81943fac4537 100644 --- a/drivers/clk/at91/sama5d2.c +++ b/drivers/clk/at91/sama5d2.c @@ -125,6 +125,14 @@ static const struct { .pll = true }, }; +static const struct clk_programmable_layout sama5d2_programmable_layout = { + .pres_mask = 0xff, + .pres_shift = 4, + .css_mask = 0x7, + .have_slck_mck = 0, + .is_pres_direct = 1, +}; + static void __init sama5d2_pmc_setup(struct device_node *np) { struct clk_range range = CLK_RANGE(0, 0); @@ -249,7 +257,7 @@ static void __init sama5d2_pmc_setup(struct device_node *np) hw = at91_clk_register_programmable(regmap, name, parent_names, 6, i, - &at91sam9x5_programmable_layout); + &sama5d2_programmable_layout); if (IS_ERR(hw)) goto err_free; } diff --git a/drivers/clk/clkdev.c b/drivers/clk/clkdev.c index 8c4435c53f09..6e787cc9e5b9 100644 --- a/drivers/clk/clkdev.c +++ b/drivers/clk/clkdev.c @@ -46,6 +46,8 @@ static struct clk_lookup *clk_find(const char *dev_id, const char *con_id) if (con_id) best_possible += 1; + lockdep_assert_held(&clocks_mutex); + list_for_each_entry(p, &clocks, node) { match = 0; if (p->dev_id) { @@ -402,7 +404,10 @@ void devm_clk_release_clkdev(struct device *dev, const char *con_id, struct clk_lookup *cl; int rval; + mutex_lock(&clocks_mutex); cl = clk_find(dev_id, con_id); + mutex_unlock(&clocks_mutex); + WARN_ON(!cl); rval = devres_release(dev, devm_clkdev_release, devm_clk_match_clkdev, cl); diff --git a/drivers/clk/imx/clk-pll14xx.c b/drivers/clk/imx/clk-pll14xx.c index 1acfa3e3cfb4..113d71042199 100644 --- a/drivers/clk/imx/clk-pll14xx.c +++ b/drivers/clk/imx/clk-pll14xx.c @@ -362,7 +362,7 @@ struct clk *imx_clk_pll14xx(const char *name, const char *parent_name, switch (pll_clk->type) { case PLL_1416X: - if (!pll->rate_table) + if (!pll_clk->rate_table) init.ops = &clk_pll1416x_min_ops; else init.ops = &clk_pll1416x_ops; diff --git a/drivers/clk/mediatek/clk-gate.c b/drivers/clk/mediatek/clk-gate.c index 9628d4e7690b..85daf826619a 100644 --- a/drivers/clk/mediatek/clk-gate.c +++ b/drivers/clk/mediatek/clk-gate.c @@ -169,11 +169,10 @@ struct clk *mtk_clk_register_gate( return ERR_PTR(-ENOMEM); init.name = name; - init.flags = CLK_SET_RATE_PARENT; + init.flags = flags | CLK_SET_RATE_PARENT; init.parent_names = parent_name ? &parent_name : NULL; init.num_parents = parent_name ? 1 : 0; init.ops = ops; - init.flags = flags; cg->regmap = regmap; cg->set_ofs = set_ofs; diff --git a/drivers/clk/meson/clk-pll.c b/drivers/clk/meson/clk-pll.c index 41e16dd7272a..7a14ac9b2fec 100644 --- a/drivers/clk/meson/clk-pll.c +++ b/drivers/clk/meson/clk-pll.c @@ -120,7 +120,7 @@ static bool meson_clk_pll_is_better(unsigned long rate, return true; } else { /* Round down */ - if (now < rate && best < now) + if (now <= rate && best < now) return true; } diff --git a/drivers/clk/meson/g12a.c b/drivers/clk/meson/g12a.c index 0e1ce8c03259..f7b11e1eeebe 100644 --- a/drivers/clk/meson/g12a.c +++ b/drivers/clk/meson/g12a.c @@ -960,14 +960,14 @@ static struct clk_regmap g12a_sd_emmc_c_clk0 = { /* VPU Clock */ static const char * const g12a_vpu_parent_names[] = { - "fclk_div4", "fclk_div3", "fclk_div5", "fclk_div7", + "fclk_div3", "fclk_div4", "fclk_div5", "fclk_div7", "mpll1", "vid_pll", "hifi_pll", "gp0_pll", }; static struct clk_regmap g12a_vpu_0_sel = { .data = &(struct clk_regmap_mux_data){ .offset = HHI_VPU_CLK_CNTL, - .mask = 0x3, + .mask = 0x7, .shift = 9, }, .hw.init = &(struct clk_init_data){ @@ -1011,7 +1011,7 @@ static struct clk_regmap g12a_vpu_0 = { static struct clk_regmap g12a_vpu_1_sel = { .data = &(struct clk_regmap_mux_data){ .offset = HHI_VPU_CLK_CNTL, - .mask = 0x3, + .mask = 0x7, .shift = 25, }, .hw.init = &(struct clk_init_data){ diff --git a/drivers/clk/meson/gxbb.c b/drivers/clk/meson/gxbb.c index 04df2e208ed6..29ffb4fde714 100644 --- a/drivers/clk/meson/gxbb.c +++ b/drivers/clk/meson/gxbb.c @@ -2216,6 +2216,7 @@ static struct clk_regmap gxbb_vdec_1_div = { .offset = HHI_VDEC_CLK_CNTL, .shift = 0, .width = 7, + .flags = CLK_DIVIDER_ROUND_CLOSEST, }, .hw.init = &(struct clk_init_data){ .name = "vdec_1_div", @@ -2261,6 +2262,7 @@ static struct clk_regmap gxbb_vdec_hevc_div = { .offset = HHI_VDEC2_CLK_CNTL, .shift = 16, .width = 7, + .flags = CLK_DIVIDER_ROUND_CLOSEST, }, .hw.init = &(struct clk_init_data){ .name = "vdec_hevc_div", diff --git a/drivers/clk/meson/vid-pll-div.c b/drivers/clk/meson/vid-pll-div.c index 08bcc01c0923..daff235bc763 100644 --- a/drivers/clk/meson/vid-pll-div.c +++ b/drivers/clk/meson/vid-pll-div.c @@ -82,8 +82,8 @@ static unsigned long meson_vid_pll_div_recalc_rate(struct clk_hw *hw, div = _get_table_val(meson_parm_read(clk->map, &pll_div->val), meson_parm_read(clk->map, &pll_div->sel)); if (!div || !div->divider) { - pr_info("%s: Invalid config value for vid_pll_div\n", __func__); - return parent_rate; + pr_debug("%s: Invalid config value for vid_pll_div\n", __func__); + return 0; } return DIV_ROUND_UP_ULL(parent_rate * div->multiplier, div->divider); diff --git a/drivers/clk/sunxi-ng/ccu_nkmp.c b/drivers/clk/sunxi-ng/ccu_nkmp.c index 9b49adb20d07..cbcdf664f336 100644 --- a/drivers/clk/sunxi-ng/ccu_nkmp.c +++ b/drivers/clk/sunxi-ng/ccu_nkmp.c @@ -167,7 +167,7 @@ static int ccu_nkmp_set_rate(struct clk_hw *hw, unsigned long rate, unsigned long parent_rate) { struct ccu_nkmp *nkmp = hw_to_ccu_nkmp(hw); - u32 n_mask, k_mask, m_mask, p_mask; + u32 n_mask = 0, k_mask = 0, m_mask = 0, p_mask = 0; struct _ccu_nkmp _nkmp; unsigned long flags; u32 reg; @@ -186,10 +186,24 @@ static int ccu_nkmp_set_rate(struct clk_hw *hw, unsigned long rate, ccu_nkmp_find_best(parent_rate, rate, &_nkmp); - n_mask = GENMASK(nkmp->n.width + nkmp->n.shift - 1, nkmp->n.shift); - k_mask = GENMASK(nkmp->k.width + nkmp->k.shift - 1, nkmp->k.shift); - m_mask = GENMASK(nkmp->m.width + nkmp->m.shift - 1, nkmp->m.shift); - p_mask = GENMASK(nkmp->p.width + nkmp->p.shift - 1, nkmp->p.shift); + /* + * If width is 0, GENMASK() macro may not generate expected mask (0) + * as it falls under undefined behaviour by C standard due to shifts + * which are equal or greater than width of left operand. This can + * be easily avoided by explicitly checking if width is 0. + */ + if (nkmp->n.width) + n_mask = GENMASK(nkmp->n.width + nkmp->n.shift - 1, + nkmp->n.shift); + if (nkmp->k.width) + k_mask = GENMASK(nkmp->k.width + nkmp->k.shift - 1, + nkmp->k.shift); + if (nkmp->m.width) + m_mask = GENMASK(nkmp->m.width + nkmp->m.shift - 1, + nkmp->m.shift); + if (nkmp->p.width) + p_mask = GENMASK(nkmp->p.width + nkmp->p.shift - 1, + nkmp->p.shift); spin_lock_irqsave(nkmp->common.lock, flags); diff --git a/drivers/clk/x86/clk-pmc-atom.c b/drivers/clk/x86/clk-pmc-atom.c index d977193842df..19174835693b 100644 --- a/drivers/clk/x86/clk-pmc-atom.c +++ b/drivers/clk/x86/clk-pmc-atom.c @@ -165,7 +165,7 @@ static const struct clk_ops plt_clk_ops = { }; static struct clk_plt *plt_clk_register(struct platform_device *pdev, int id, - void __iomem *base, + const struct pmc_clk_data *pmc_data, const char **parent_names, int num_parents) { @@ -184,9 +184,17 @@ static struct clk_plt *plt_clk_register(struct platform_device *pdev, int id, init.num_parents = num_parents; pclk->hw.init = &init; - pclk->reg = base + PMC_CLK_CTL_OFFSET + id * PMC_CLK_CTL_SIZE; + pclk->reg = pmc_data->base + PMC_CLK_CTL_OFFSET + id * PMC_CLK_CTL_SIZE; spin_lock_init(&pclk->lock); + /* + * On some systems, the pmc_plt_clocks already enabled by the + * firmware are being marked as critical to avoid them being + * gated by the clock framework. + */ + if (pmc_data->critical && plt_clk_is_enabled(&pclk->hw)) + init.flags |= CLK_IS_CRITICAL; + ret = devm_clk_hw_register(&pdev->dev, &pclk->hw); if (ret) { pclk = ERR_PTR(ret); @@ -332,7 +340,7 @@ static int plt_clk_probe(struct platform_device *pdev) return PTR_ERR(parent_names); for (i = 0; i < PMC_CLK_NUM; i++) { - data->clks[i] = plt_clk_register(pdev, i, pmc_data->base, + data->clks[i] = plt_clk_register(pdev, i, pmc_data, parent_names, data->nparents); if (IS_ERR(data->clks[i])) { err = PTR_ERR(data->clks[i]); diff --git a/drivers/clocksource/Kconfig b/drivers/clocksource/Kconfig index 171502a356aa..4b3d143f0f8a 100644 --- a/drivers/clocksource/Kconfig +++ b/drivers/clocksource/Kconfig @@ -145,6 +145,7 @@ config VT8500_TIMER config NPCM7XX_TIMER bool "NPCM7xx timer driver" if COMPILE_TEST depends on HAS_IOMEM + select TIMER_OF select CLKSRC_MMIO help Enable 24-bit TIMER0 and TIMER1 counters in the NPCM7xx architecture, diff --git a/drivers/clocksource/arm_arch_timer.c b/drivers/clocksource/arm_arch_timer.c index aa4ec53281ce..b2a951a798e2 100644 --- a/drivers/clocksource/arm_arch_timer.c +++ b/drivers/clocksource/arm_arch_timer.c @@ -9,7 +9,7 @@ * published by the Free Software Foundation. */ -#define pr_fmt(fmt) "arm_arch_timer: " fmt +#define pr_fmt(fmt) "arch_timer: " fmt #include <linux/init.h> #include <linux/kernel.h> @@ -33,9 +33,6 @@ #include <clocksource/arm_arch_timer.h> -#undef pr_fmt -#define pr_fmt(fmt) "arch_timer: " fmt - #define CNTTIDR 0x08 #define CNTTIDR_VIRT(n) (BIT(1) << ((n) * 4)) @@ -152,6 +149,26 @@ u32 arch_timer_reg_read(int access, enum arch_timer_reg reg, return val; } +static u64 arch_counter_get_cntpct_stable(void) +{ + return __arch_counter_get_cntpct_stable(); +} + +static u64 arch_counter_get_cntpct(void) +{ + return __arch_counter_get_cntpct(); +} + +static u64 arch_counter_get_cntvct_stable(void) +{ + return __arch_counter_get_cntvct_stable(); +} + +static u64 arch_counter_get_cntvct(void) +{ + return __arch_counter_get_cntvct(); +} + /* * Default to cp15 based access because arm64 uses this function for * sched_clock() before DT is probed and the cp15 method is guaranteed @@ -319,13 +336,6 @@ static u64 notrace arm64_858921_read_cntvct_el0(void) } #endif -#ifdef CONFIG_ARM64_ERRATUM_1188873 -static u64 notrace arm64_1188873_read_cntvct_el0(void) -{ - return read_sysreg(cntvct_el0); -} -#endif - #ifdef CONFIG_SUN50I_ERRATUM_UNKNOWN1 /* * The low bits of the counter registers are indeterminate while bit 10 or @@ -372,8 +382,7 @@ static u32 notrace sun50i_a64_read_cntv_tval_el0(void) DEFINE_PER_CPU(const struct arch_timer_erratum_workaround *, timer_unstable_counter_workaround); EXPORT_SYMBOL_GPL(timer_unstable_counter_workaround); -DEFINE_STATIC_KEY_FALSE(arch_timer_read_ool_enabled); -EXPORT_SYMBOL_GPL(arch_timer_read_ool_enabled); +static atomic_t timer_unstable_counter_workaround_in_use = ATOMIC_INIT(0); static void erratum_set_next_event_tval_generic(const int access, unsigned long evt, struct clock_event_device *clk) @@ -457,14 +466,6 @@ static const struct arch_timer_erratum_workaround ool_workarounds[] = { .read_cntvct_el0 = arm64_858921_read_cntvct_el0, }, #endif -#ifdef CONFIG_ARM64_ERRATUM_1188873 - { - .match_type = ate_match_local_cap_id, - .id = (void *)ARM64_WORKAROUND_1188873, - .desc = "ARM erratum 1188873", - .read_cntvct_el0 = arm64_1188873_read_cntvct_el0, - }, -#endif #ifdef CONFIG_SUN50I_ERRATUM_UNKNOWN1 { .match_type = ate_match_dt, @@ -552,11 +553,8 @@ void arch_timer_enable_workaround(const struct arch_timer_erratum_workaround *wa per_cpu(timer_unstable_counter_workaround, i) = wa; } - /* - * Use the locked version, as we're called from the CPU - * hotplug framework. Otherwise, we end-up in deadlock-land. - */ - static_branch_enable_cpuslocked(&arch_timer_read_ool_enabled); + if (wa->read_cntvct_el0 || wa->read_cntpct_el0) + atomic_set(&timer_unstable_counter_workaround_in_use, 1); /* * Don't use the vdso fastpath if errata require using the @@ -573,7 +571,7 @@ void arch_timer_enable_workaround(const struct arch_timer_erratum_workaround *wa static void arch_timer_check_ool_workaround(enum arch_timer_erratum_match_type type, void *arg) { - const struct arch_timer_erratum_workaround *wa; + const struct arch_timer_erratum_workaround *wa, *__wa; ate_match_fn_t match_fn = NULL; bool local = false; @@ -597,53 +595,32 @@ static void arch_timer_check_ool_workaround(enum arch_timer_erratum_match_type t if (!wa) return; - if (needs_unstable_timer_counter_workaround()) { - const struct arch_timer_erratum_workaround *__wa; - __wa = __this_cpu_read(timer_unstable_counter_workaround); - if (__wa && wa != __wa) - pr_warn("Can't enable workaround for %s (clashes with %s\n)", - wa->desc, __wa->desc); + __wa = __this_cpu_read(timer_unstable_counter_workaround); + if (__wa && wa != __wa) + pr_warn("Can't enable workaround for %s (clashes with %s\n)", + wa->desc, __wa->desc); - if (__wa) - return; - } + if (__wa) + return; arch_timer_enable_workaround(wa, local); pr_info("Enabling %s workaround for %s\n", local ? "local" : "global", wa->desc); } -#define erratum_handler(fn, r, ...) \ -({ \ - bool __val; \ - if (needs_unstable_timer_counter_workaround()) { \ - const struct arch_timer_erratum_workaround *__wa; \ - __wa = __this_cpu_read(timer_unstable_counter_workaround); \ - if (__wa && __wa->fn) { \ - r = __wa->fn(__VA_ARGS__); \ - __val = true; \ - } else { \ - __val = false; \ - } \ - } else { \ - __val = false; \ - } \ - __val; \ -}) - static bool arch_timer_this_cpu_has_cntvct_wa(void) { - const struct arch_timer_erratum_workaround *wa; + return has_erratum_handler(read_cntvct_el0); +} - wa = __this_cpu_read(timer_unstable_counter_workaround); - return wa && wa->read_cntvct_el0; +static bool arch_timer_counter_has_wa(void) +{ + return atomic_read(&timer_unstable_counter_workaround_in_use); } #else #define arch_timer_check_ool_workaround(t,a) do { } while(0) -#define erratum_set_next_event_tval_virt(...) ({BUG(); 0;}) -#define erratum_set_next_event_tval_phys(...) ({BUG(); 0;}) -#define erratum_handler(fn, r, ...) ({false;}) #define arch_timer_this_cpu_has_cntvct_wa() ({false;}) +#define arch_timer_counter_has_wa() ({false;}) #endif /* CONFIG_ARM_ARCH_TIMER_OOL_WORKAROUND */ static __always_inline irqreturn_t timer_handler(const int access, @@ -736,11 +713,6 @@ static __always_inline void set_next_event(const int access, unsigned long evt, static int arch_timer_set_next_event_virt(unsigned long evt, struct clock_event_device *clk) { - int ret; - - if (erratum_handler(set_next_event_virt, ret, evt, clk)) - return ret; - set_next_event(ARCH_TIMER_VIRT_ACCESS, evt, clk); return 0; } @@ -748,11 +720,6 @@ static int arch_timer_set_next_event_virt(unsigned long evt, static int arch_timer_set_next_event_phys(unsigned long evt, struct clock_event_device *clk) { - int ret; - - if (erratum_handler(set_next_event_phys, ret, evt, clk)) - return ret; - set_next_event(ARCH_TIMER_PHYS_ACCESS, evt, clk); return 0; } @@ -777,6 +744,10 @@ static void __arch_timer_setup(unsigned type, clk->features = CLOCK_EVT_FEAT_ONESHOT; if (type == ARCH_TIMER_TYPE_CP15) { + typeof(clk->set_next_event) sne; + + arch_timer_check_ool_workaround(ate_match_local_cap_id, NULL); + if (arch_timer_c3stop) clk->features |= CLOCK_EVT_FEAT_C3STOP; clk->name = "arch_sys_timer"; @@ -787,20 +758,20 @@ static void __arch_timer_setup(unsigned type, case ARCH_TIMER_VIRT_PPI: clk->set_state_shutdown = arch_timer_shutdown_virt; clk->set_state_oneshot_stopped = arch_timer_shutdown_virt; - clk->set_next_event = arch_timer_set_next_event_virt; + sne = erratum_handler(set_next_event_virt); break; case ARCH_TIMER_PHYS_SECURE_PPI: case ARCH_TIMER_PHYS_NONSECURE_PPI: case ARCH_TIMER_HYP_PPI: clk->set_state_shutdown = arch_timer_shutdown_phys; clk->set_state_oneshot_stopped = arch_timer_shutdown_phys; - clk->set_next_event = arch_timer_set_next_event_phys; + sne = erratum_handler(set_next_event_phys); break; default: BUG(); } - arch_timer_check_ool_workaround(ate_match_local_cap_id, NULL); + clk->set_next_event = sne; } else { clk->features |= CLOCK_EVT_FEAT_DYNIRQ; clk->name = "arch_mem_timer"; @@ -833,7 +804,11 @@ static void arch_timer_evtstrm_enable(int divider) cntkctl |= (divider << ARCH_TIMER_EVT_TRIGGER_SHIFT) | ARCH_TIMER_VIRT_EVT_EN; arch_timer_set_cntkctl(cntkctl); +#ifdef CONFIG_ARM64 + cpu_set_named_feature(EVTSTRM); +#else elf_hwcap |= HWCAP_EVTSTRM; +#endif #ifdef CONFIG_COMPAT compat_elf_hwcap |= COMPAT_HWCAP_EVTSTRM; #endif @@ -998,12 +973,22 @@ static void __init arch_counter_register(unsigned type) /* Register the CP15 based counter if we have one */ if (type & ARCH_TIMER_TYPE_CP15) { + u64 (*rd)(void); + if ((IS_ENABLED(CONFIG_ARM64) && !is_hyp_mode_available()) || - arch_timer_uses_ppi == ARCH_TIMER_VIRT_PPI) - arch_timer_read_counter = arch_counter_get_cntvct; - else - arch_timer_read_counter = arch_counter_get_cntpct; + arch_timer_uses_ppi == ARCH_TIMER_VIRT_PPI) { + if (arch_timer_counter_has_wa()) + rd = arch_counter_get_cntvct_stable; + else + rd = arch_counter_get_cntvct; + } else { + if (arch_timer_counter_has_wa()) + rd = arch_counter_get_cntpct_stable; + else + rd = arch_counter_get_cntpct; + } + arch_timer_read_counter = rd; clocksource_counter.archdata.vdso_direct = vdso_default; } else { arch_timer_read_counter = arch_counter_get_cntvct_mem; @@ -1055,7 +1040,11 @@ static int arch_timer_cpu_pm_notify(struct notifier_block *self, } else if (action == CPU_PM_ENTER_FAILED || action == CPU_PM_EXIT) { arch_timer_set_cntkctl(__this_cpu_read(saved_cntkctl)); +#ifdef CONFIG_ARM64 + if (cpu_have_named_feature(EVTSTRM)) +#else if (elf_hwcap & HWCAP_EVTSTRM) +#endif cpumask_set_cpu(smp_processor_id(), &evtstrm_available); } return NOTIFY_OK; diff --git a/drivers/clocksource/timer-oxnas-rps.c b/drivers/clocksource/timer-oxnas-rps.c index eed6feff8b5f..30c6f4ce672b 100644 --- a/drivers/clocksource/timer-oxnas-rps.c +++ b/drivers/clocksource/timer-oxnas-rps.c @@ -296,4 +296,4 @@ err_alloc: TIMER_OF_DECLARE(ox810se_rps, "oxsemi,ox810se-rps-timer", oxnas_rps_timer_init); TIMER_OF_DECLARE(ox820_rps, - "oxsemi,ox820se-rps-timer", oxnas_rps_timer_init); + "oxsemi,ox820-rps-timer", oxnas_rps_timer_init); diff --git a/drivers/clocksource/timer-ti-dm.c b/drivers/clocksource/timer-ti-dm.c index 3352da6ed61f..ee8ec5a8cb16 100644 --- a/drivers/clocksource/timer-ti-dm.c +++ b/drivers/clocksource/timer-ti-dm.c @@ -585,34 +585,6 @@ static int omap_dm_timer_set_load(struct omap_dm_timer *timer, int autoreload, return 0; } -/* Optimized set_load which removes costly spin wait in timer_start */ -static int omap_dm_timer_set_load_start(struct omap_dm_timer *timer, - int autoreload, unsigned int load) -{ - u32 l; - - if (unlikely(!timer)) - return -EINVAL; - - omap_dm_timer_enable(timer); - - l = omap_dm_timer_read_reg(timer, OMAP_TIMER_CTRL_REG); - if (autoreload) { - l |= OMAP_TIMER_CTRL_AR; - omap_dm_timer_write_reg(timer, OMAP_TIMER_LOAD_REG, load); - } else { - l &= ~OMAP_TIMER_CTRL_AR; - } - l |= OMAP_TIMER_CTRL_ST; - - __omap_dm_timer_load_start(timer, l, load, timer->posted); - - /* Save the context */ - timer->context.tclr = l; - timer->context.tldr = load; - timer->context.tcrr = load; - return 0; -} static int omap_dm_timer_set_match(struct omap_dm_timer *timer, int enable, unsigned int match) { diff --git a/drivers/cpufreq/Kconfig b/drivers/cpufreq/Kconfig index b22e6bba71f1..4d2b33a30292 100644 --- a/drivers/cpufreq/Kconfig +++ b/drivers/cpufreq/Kconfig @@ -26,10 +26,6 @@ config CPU_FREQ_GOV_COMMON select IRQ_WORK bool -config CPU_FREQ_BOOST_SW - bool - depends on THERMAL - config CPU_FREQ_STAT bool "CPU frequency transition statistics" help diff --git a/drivers/cpufreq/acpi-cpufreq.c b/drivers/cpufreq/acpi-cpufreq.c index c72258a44ba4..73bb2aafb1a8 100644 --- a/drivers/cpufreq/acpi-cpufreq.c +++ b/drivers/cpufreq/acpi-cpufreq.c @@ -366,7 +366,7 @@ static u32 get_cur_val(const struct cpumask *mask, struct acpi_cpufreq_data *dat val = drv_read(data, mask); - pr_debug("get_cur_val = %u\n", val); + pr_debug("%s = %u\n", __func__, val); return val; } @@ -378,7 +378,7 @@ static unsigned int get_cur_freq_on_cpu(unsigned int cpu) unsigned int freq; unsigned int cached_freq; - pr_debug("get_cur_freq_on_cpu (%d)\n", cpu); + pr_debug("%s (%d)\n", __func__, cpu); policy = cpufreq_cpu_get_raw(cpu); if (unlikely(!policy)) @@ -458,8 +458,7 @@ static int acpi_cpufreq_target(struct cpufreq_policy *policy, if (acpi_pstate_strict) { if (!check_freqs(policy, mask, policy->freq_table[index].frequency)) { - pr_debug("acpi_cpufreq_target failed (%d)\n", - policy->cpu); + pr_debug("%s (%d)\n", __func__, policy->cpu); result = -EAGAIN; } } @@ -573,7 +572,7 @@ static int cpufreq_boost_down_prep(unsigned int cpu) static int __init acpi_cpufreq_early_init(void) { unsigned int i; - pr_debug("acpi_cpufreq_early_init\n"); + pr_debug("%s\n", __func__); acpi_perf_data = alloc_percpu(struct acpi_processor_performance); if (!acpi_perf_data) { @@ -657,7 +656,7 @@ static int acpi_cpufreq_cpu_init(struct cpufreq_policy *policy) static int blacklisted; #endif - pr_debug("acpi_cpufreq_cpu_init\n"); + pr_debug("%s\n", __func__); #ifdef CONFIG_SMP if (blacklisted) @@ -856,7 +855,7 @@ static int acpi_cpufreq_cpu_exit(struct cpufreq_policy *policy) { struct acpi_cpufreq_data *data = policy->driver_data; - pr_debug("acpi_cpufreq_cpu_exit\n"); + pr_debug("%s\n", __func__); policy->fast_switch_possible = false; policy->driver_data = NULL; @@ -881,7 +880,7 @@ static int acpi_cpufreq_resume(struct cpufreq_policy *policy) { struct acpi_cpufreq_data *data = policy->driver_data; - pr_debug("acpi_cpufreq_resume\n"); + pr_debug("%s\n", __func__); data->resume = 1; @@ -954,7 +953,7 @@ static int __init acpi_cpufreq_init(void) if (cpufreq_get_current_driver()) return -EEXIST; - pr_debug("acpi_cpufreq_init\n"); + pr_debug("%s\n", __func__); ret = acpi_cpufreq_early_init(); if (ret) @@ -991,7 +990,7 @@ static int __init acpi_cpufreq_init(void) static void __exit acpi_cpufreq_exit(void) { - pr_debug("acpi_cpufreq_exit\n"); + pr_debug("%s\n", __func__); acpi_cpufreq_boost_exit(); diff --git a/drivers/cpufreq/amd_freq_sensitivity.c b/drivers/cpufreq/amd_freq_sensitivity.c index 4ac7c3cf34be..6927a8c0e748 100644 --- a/drivers/cpufreq/amd_freq_sensitivity.c +++ b/drivers/cpufreq/amd_freq_sensitivity.c @@ -124,7 +124,7 @@ static int __init amd_freq_sensitivity_init(void) PCI_DEVICE_ID_AMD_KERNCZ_SMBUS, NULL); if (!pcidev) { - if (!static_cpu_has(X86_FEATURE_PROC_FEEDBACK)) + if (!boot_cpu_has(X86_FEATURE_PROC_FEEDBACK)) return -ENODEV; } diff --git a/drivers/cpufreq/armada-37xx-cpufreq.c b/drivers/cpufreq/armada-37xx-cpufreq.c index 75491fc841a6..0df16eb1eb3c 100644 --- a/drivers/cpufreq/armada-37xx-cpufreq.c +++ b/drivers/cpufreq/armada-37xx-cpufreq.c @@ -359,11 +359,11 @@ static int __init armada37xx_cpufreq_driver_init(void) struct armada_37xx_dvfs *dvfs; struct platform_device *pdev; unsigned long freq; - unsigned int cur_frequency; + unsigned int cur_frequency, base_frequency; struct regmap *nb_pm_base, *avs_base; struct device *cpu_dev; int load_lvl, ret; - struct clk *clk; + struct clk *clk, *parent; nb_pm_base = syscon_regmap_lookup_by_compatible("marvell,armada-3700-nb-pm"); @@ -399,6 +399,22 @@ static int __init armada37xx_cpufreq_driver_init(void) return PTR_ERR(clk); } + parent = clk_get_parent(clk); + if (IS_ERR(parent)) { + dev_err(cpu_dev, "Cannot get parent clock for CPU0\n"); + clk_put(clk); + return PTR_ERR(parent); + } + + /* Get parent CPU frequency */ + base_frequency = clk_get_rate(parent); + + if (!base_frequency) { + dev_err(cpu_dev, "Failed to get parent clock rate for CPU\n"); + clk_put(clk); + return -EINVAL; + } + /* Get nominal (current) CPU frequency */ cur_frequency = clk_get_rate(clk); if (!cur_frequency) { @@ -431,7 +447,7 @@ static int __init armada37xx_cpufreq_driver_init(void) for (load_lvl = ARMADA_37XX_DVFS_LOAD_0; load_lvl < LOAD_LEVEL_NR; load_lvl++) { unsigned long u_volt = avs_map[dvfs->avs[load_lvl]] * 1000; - freq = cur_frequency / dvfs->divider[load_lvl]; + freq = base_frequency / dvfs->divider[load_lvl]; ret = dev_pm_opp_add(cpu_dev, freq, u_volt); if (ret) goto remove_opp; diff --git a/drivers/cpufreq/armada-8k-cpufreq.c b/drivers/cpufreq/armada-8k-cpufreq.c index b3f4bd647e9b..988ebc326bdb 100644 --- a/drivers/cpufreq/armada-8k-cpufreq.c +++ b/drivers/cpufreq/armada-8k-cpufreq.c @@ -132,6 +132,7 @@ static int __init armada_8k_cpufreq_init(void) of_node_put(node); return -ENODEV; } + of_node_put(node); nb_cpus = num_possible_cpus(); freq_tables = kcalloc(nb_cpus, sizeof(*freq_tables), GFP_KERNEL); diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c index e10922709d13..7ea217c88c2e 100644 --- a/drivers/cpufreq/cpufreq.c +++ b/drivers/cpufreq/cpufreq.c @@ -34,11 +34,6 @@ static LIST_HEAD(cpufreq_policy_list); -static inline bool policy_is_inactive(struct cpufreq_policy *policy) -{ - return cpumask_empty(policy->cpus); -} - /* Macros to iterate over CPU policies */ #define for_each_suitable_policy(__policy, __active) \ list_for_each_entry(__policy, &cpufreq_policy_list, policy_list) \ @@ -250,6 +245,51 @@ void cpufreq_cpu_put(struct cpufreq_policy *policy) } EXPORT_SYMBOL_GPL(cpufreq_cpu_put); +/** + * cpufreq_cpu_release - Unlock a policy and decrement its usage counter. + * @policy: cpufreq policy returned by cpufreq_cpu_acquire(). + */ +void cpufreq_cpu_release(struct cpufreq_policy *policy) +{ + if (WARN_ON(!policy)) + return; + + lockdep_assert_held(&policy->rwsem); + + up_write(&policy->rwsem); + + cpufreq_cpu_put(policy); +} + +/** + * cpufreq_cpu_acquire - Find policy for a CPU, mark it as busy and lock it. + * @cpu: CPU to find the policy for. + * + * Call cpufreq_cpu_get() to get a reference on the cpufreq policy for @cpu and + * if the policy returned by it is not NULL, acquire its rwsem for writing. + * Return the policy if it is active or release it and return NULL otherwise. + * + * The policy returned by this function has to be released with the help of + * cpufreq_cpu_release() in order to release its rwsem and balance its usage + * counter properly. + */ +struct cpufreq_policy *cpufreq_cpu_acquire(unsigned int cpu) +{ + struct cpufreq_policy *policy = cpufreq_cpu_get(cpu); + + if (!policy) + return NULL; + + down_write(&policy->rwsem); + + if (policy_is_inactive(policy)) { + cpufreq_cpu_release(policy); + return NULL; + } + + return policy; +} + /********************************************************************* * EXTERNALLY AFFECTING FREQUENCY CHANGES * *********************************************************************/ @@ -669,9 +709,6 @@ static ssize_t show_scaling_cur_freq(struct cpufreq_policy *policy, char *buf) return ret; } -static int cpufreq_set_policy(struct cpufreq_policy *policy, - struct cpufreq_policy *new_policy); - /** * cpufreq_per_cpu_attr_write() / store_##file_name() - sysfs write access */ @@ -857,11 +894,9 @@ static ssize_t show_bios_limit(struct cpufreq_policy *policy, char *buf) { unsigned int limit; int ret; - if (cpufreq_driver->bios_limit) { - ret = cpufreq_driver->bios_limit(policy->cpu, &limit); - if (!ret) - return sprintf(buf, "%u\n", limit); - } + ret = cpufreq_driver->bios_limit(policy->cpu, &limit); + if (!ret) + return sprintf(buf, "%u\n", limit); return sprintf(buf, "%u\n", policy->cpuinfo.max_freq); } @@ -1098,6 +1133,7 @@ static struct cpufreq_policy *cpufreq_policy_alloc(unsigned int cpu) cpufreq_global_kobject, "policy%u", cpu); if (ret) { pr_err("%s: failed to init policy->kobj: %d\n", __func__, ret); + kobject_put(&policy->kobj); goto err_free_real_cpus; } @@ -1550,7 +1586,7 @@ static unsigned int __cpufreq_get(struct cpufreq_policy *policy) { unsigned int ret_freq = 0; - if (unlikely(policy_is_inactive(policy)) || !cpufreq_driver->get) + if (unlikely(policy_is_inactive(policy))) return ret_freq; ret_freq = cpufreq_driver->get(policy->cpu); @@ -1588,7 +1624,8 @@ unsigned int cpufreq_get(unsigned int cpu) if (policy) { down_read(&policy->rwsem); - ret_freq = __cpufreq_get(policy); + if (cpufreq_driver->get) + ret_freq = __cpufreq_get(policy); up_read(&policy->rwsem); cpufreq_cpu_put(policy); @@ -2229,8 +2266,8 @@ EXPORT_SYMBOL(cpufreq_get_policy); * * The cpuinfo part of @policy is not updated by this function. */ -static int cpufreq_set_policy(struct cpufreq_policy *policy, - struct cpufreq_policy *new_policy) +int cpufreq_set_policy(struct cpufreq_policy *policy, + struct cpufreq_policy *new_policy) { struct cpufreq_governor *old_gov; int ret; @@ -2337,17 +2374,12 @@ static int cpufreq_set_policy(struct cpufreq_policy *policy, */ void cpufreq_update_policy(unsigned int cpu) { - struct cpufreq_policy *policy = cpufreq_cpu_get(cpu); + struct cpufreq_policy *policy = cpufreq_cpu_acquire(cpu); struct cpufreq_policy new_policy; if (!policy) return; - down_write(&policy->rwsem); - - if (policy_is_inactive(policy)) - goto unlock; - /* * BIOS might change freq behind our back * -> ask driver for current freq and notify governors about a change @@ -2364,12 +2396,26 @@ void cpufreq_update_policy(unsigned int cpu) cpufreq_set_policy(policy, &new_policy); unlock: - up_write(&policy->rwsem); - - cpufreq_cpu_put(policy); + cpufreq_cpu_release(policy); } EXPORT_SYMBOL(cpufreq_update_policy); +/** + * cpufreq_update_limits - Update policy limits for a given CPU. + * @cpu: CPU to update the policy limits for. + * + * Invoke the driver's ->update_limits callback if present or call + * cpufreq_update_policy() for @cpu. + */ +void cpufreq_update_limits(unsigned int cpu) +{ + if (cpufreq_driver->update_limits) + cpufreq_driver->update_limits(cpu); + else + cpufreq_update_policy(cpu); +} +EXPORT_SYMBOL_GPL(cpufreq_update_limits); + /********************************************************************* * BOOST * *********************************************************************/ @@ -2426,7 +2472,7 @@ int cpufreq_boost_trigger_state(int state) static bool cpufreq_boost_supported(void) { - return likely(cpufreq_driver) && cpufreq_driver->set_boost; + return cpufreq_driver->set_boost; } static int create_boost_sysfs_file(void) diff --git a/drivers/cpufreq/cpufreq_governor.c b/drivers/cpufreq/cpufreq_governor.c index ffa9adeaba31..9d1d9bf02710 100644 --- a/drivers/cpufreq/cpufreq_governor.c +++ b/drivers/cpufreq/cpufreq_governor.c @@ -459,6 +459,8 @@ int cpufreq_dbs_governor_init(struct cpufreq_policy *policy) /* Failure, so roll back. */ pr_err("initialization failed (dbs_data kobject init error %d)\n", ret); + kobject_put(&dbs_data->attr_set.kobj); + policy->governor_data = NULL; if (!have_governor_per_policy()) diff --git a/drivers/cpufreq/cpufreq_stats.c b/drivers/cpufreq/cpufreq_stats.c index e2db5581489a..08b192eb22c6 100644 --- a/drivers/cpufreq/cpufreq_stats.c +++ b/drivers/cpufreq/cpufreq_stats.c @@ -14,7 +14,6 @@ #include <linux/module.h> #include <linux/slab.h> -static DEFINE_SPINLOCK(cpufreq_stats_lock); struct cpufreq_stats { unsigned int total_trans; @@ -23,6 +22,7 @@ struct cpufreq_stats { unsigned int state_num; unsigned int last_index; u64 *time_in_state; + spinlock_t lock; unsigned int *freq_table; unsigned int *trans_table; }; @@ -39,12 +39,12 @@ static void cpufreq_stats_clear_table(struct cpufreq_stats *stats) { unsigned int count = stats->max_state; - spin_lock(&cpufreq_stats_lock); + spin_lock(&stats->lock); memset(stats->time_in_state, 0, count * sizeof(u64)); memset(stats->trans_table, 0, count * count * sizeof(int)); stats->last_time = get_jiffies_64(); stats->total_trans = 0; - spin_unlock(&cpufreq_stats_lock); + spin_unlock(&stats->lock); } static ssize_t show_total_trans(struct cpufreq_policy *policy, char *buf) @@ -62,9 +62,9 @@ static ssize_t show_time_in_state(struct cpufreq_policy *policy, char *buf) if (policy->fast_switch_enabled) return 0; - spin_lock(&cpufreq_stats_lock); + spin_lock(&stats->lock); cpufreq_stats_update(stats); - spin_unlock(&cpufreq_stats_lock); + spin_unlock(&stats->lock); for (i = 0; i < stats->state_num; i++) { len += sprintf(buf + len, "%u %llu\n", stats->freq_table[i], @@ -211,6 +211,7 @@ void cpufreq_stats_create_table(struct cpufreq_policy *policy) stats->state_num = i; stats->last_time = get_jiffies_64(); stats->last_index = freq_table_get_index(stats, policy->cur); + spin_lock_init(&stats->lock); policy->stats = stats; ret = sysfs_create_group(&policy->kobj, &stats_attr_group); @@ -242,11 +243,11 @@ void cpufreq_stats_record_transition(struct cpufreq_policy *policy, if (old_index == -1 || new_index == -1 || old_index == new_index) return; - spin_lock(&cpufreq_stats_lock); + spin_lock(&stats->lock); cpufreq_stats_update(stats); stats->last_index = new_index; stats->trans_table[old_index * stats->max_state + new_index]++; stats->total_trans++; - spin_unlock(&cpufreq_stats_lock); + spin_unlock(&stats->lock); } diff --git a/drivers/cpufreq/freq_table.c b/drivers/cpufreq/freq_table.c index 3a8cc99e6815..e7be0af3199f 100644 --- a/drivers/cpufreq/freq_table.c +++ b/drivers/cpufreq/freq_table.c @@ -290,9 +290,6 @@ EXPORT_SYMBOL_GPL(cpufreq_freq_attr_scaling_boost_freqs); struct freq_attr *cpufreq_generic_attr[] = { &cpufreq_freq_attr_scaling_available_freqs, -#ifdef CONFIG_CPU_FREQ_BOOST_SW - &cpufreq_freq_attr_scaling_boost_freqs, -#endif NULL, }; EXPORT_SYMBOL_GPL(cpufreq_generic_attr); diff --git a/drivers/cpufreq/imx6q-cpufreq.c b/drivers/cpufreq/imx6q-cpufreq.c index a4ff09f91c8f..3e17560b1efe 100644 --- a/drivers/cpufreq/imx6q-cpufreq.c +++ b/drivers/cpufreq/imx6q-cpufreq.c @@ -388,11 +388,11 @@ static int imx6q_cpufreq_probe(struct platform_device *pdev) ret = imx6ul_opp_check_speed_grading(cpu_dev); if (ret) { if (ret == -EPROBE_DEFER) - return ret; + goto put_node; dev_err(cpu_dev, "failed to read ocotp: %d\n", ret); - return ret; + goto put_node; } } else { imx6q_opp_check_speed_grading(cpu_dev); diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c index b599c7318aab..34b54df41aaa 100644 --- a/drivers/cpufreq/intel_pstate.c +++ b/drivers/cpufreq/intel_pstate.c @@ -179,6 +179,7 @@ struct vid_data { * based on the MSR_IA32_MISC_ENABLE value and whether or * not the maximum reported turbo P-state is different from * the maximum reported non-turbo one. + * @turbo_disabled_mf: The @turbo_disabled value reflected by cpuinfo.max_freq. * @min_perf_pct: Minimum capacity limit in percent of the maximum turbo * P-state capacity. * @max_perf_pct: Maximum capacity limit in percent of the maximum turbo @@ -187,6 +188,7 @@ struct vid_data { struct global_params { bool no_turbo; bool turbo_disabled; + bool turbo_disabled_mf; int max_perf_pct; int min_perf_pct; }; @@ -525,7 +527,7 @@ static s16 intel_pstate_get_epb(struct cpudata *cpu_data) u64 epb; int ret; - if (!static_cpu_has(X86_FEATURE_EPB)) + if (!boot_cpu_has(X86_FEATURE_EPB)) return -ENXIO; ret = rdmsrl_on_cpu(cpu_data->cpu, MSR_IA32_ENERGY_PERF_BIAS, &epb); @@ -539,7 +541,7 @@ static s16 intel_pstate_get_epp(struct cpudata *cpu_data, u64 hwp_req_data) { s16 epp; - if (static_cpu_has(X86_FEATURE_HWP_EPP)) { + if (boot_cpu_has(X86_FEATURE_HWP_EPP)) { /* * When hwp_req_data is 0, means that caller didn't read * MSR_HWP_REQUEST, so need to read and get EPP. @@ -564,7 +566,7 @@ static int intel_pstate_set_epb(int cpu, s16 pref) u64 epb; int ret; - if (!static_cpu_has(X86_FEATURE_EPB)) + if (!boot_cpu_has(X86_FEATURE_EPB)) return -ENXIO; ret = rdmsrl_on_cpu(cpu, MSR_IA32_ENERGY_PERF_BIAS, &epb); @@ -612,7 +614,7 @@ static int intel_pstate_get_energy_pref_index(struct cpudata *cpu_data) if (epp < 0) return epp; - if (static_cpu_has(X86_FEATURE_HWP_EPP)) { + if (boot_cpu_has(X86_FEATURE_HWP_EPP)) { if (epp == HWP_EPP_PERFORMANCE) return 1; if (epp <= HWP_EPP_BALANCE_PERFORMANCE) @@ -621,7 +623,7 @@ static int intel_pstate_get_energy_pref_index(struct cpudata *cpu_data) return 3; else return 4; - } else if (static_cpu_has(X86_FEATURE_EPB)) { + } else if (boot_cpu_has(X86_FEATURE_EPB)) { /* * Range: * 0x00-0x03 : Performance @@ -649,7 +651,7 @@ static int intel_pstate_set_energy_pref_index(struct cpudata *cpu_data, mutex_lock(&intel_pstate_limits_lock); - if (static_cpu_has(X86_FEATURE_HWP_EPP)) { + if (boot_cpu_has(X86_FEATURE_HWP_EPP)) { u64 value; ret = rdmsrl_on_cpu(cpu_data->cpu, MSR_HWP_REQUEST, &value); @@ -824,7 +826,7 @@ static void intel_pstate_hwp_set(unsigned int cpu) epp = cpu_data->epp_powersave; } update_epp: - if (static_cpu_has(X86_FEATURE_HWP_EPP)) { + if (boot_cpu_has(X86_FEATURE_HWP_EPP)) { value &= ~GENMASK_ULL(31, 24); value |= (u64)epp << 24; } else { @@ -849,7 +851,7 @@ static void intel_pstate_hwp_force_min_perf(int cpu) value |= HWP_MIN_PERF(min_perf); /* Set EPP/EPB to min */ - if (static_cpu_has(X86_FEATURE_HWP_EPP)) + if (boot_cpu_has(X86_FEATURE_HWP_EPP)) value |= HWP_ENERGY_PERF_PREFERENCE(HWP_EPP_POWERSAVE); else intel_pstate_set_epb(cpu, HWP_EPP_BALANCE_POWERSAVE); @@ -897,6 +899,48 @@ static void intel_pstate_update_policies(void) cpufreq_update_policy(cpu); } +static void intel_pstate_update_max_freq(unsigned int cpu) +{ + struct cpufreq_policy *policy = cpufreq_cpu_acquire(cpu); + struct cpufreq_policy new_policy; + struct cpudata *cpudata; + + if (!policy) + return; + + cpudata = all_cpu_data[cpu]; + policy->cpuinfo.max_freq = global.turbo_disabled_mf ? + cpudata->pstate.max_freq : cpudata->pstate.turbo_freq; + + memcpy(&new_policy, policy, sizeof(*policy)); + new_policy.max = min(policy->user_policy.max, policy->cpuinfo.max_freq); + new_policy.min = min(policy->user_policy.min, new_policy.max); + + cpufreq_set_policy(policy, &new_policy); + + cpufreq_cpu_release(policy); +} + +static void intel_pstate_update_limits(unsigned int cpu) +{ + mutex_lock(&intel_pstate_driver_lock); + + update_turbo_state(); + /* + * If turbo has been turned on or off globally, policy limits for + * all CPUs need to be updated to reflect that. + */ + if (global.turbo_disabled_mf != global.turbo_disabled) { + global.turbo_disabled_mf = global.turbo_disabled; + for_each_possible_cpu(cpu) + intel_pstate_update_max_freq(cpu); + } else { + cpufreq_update_policy(cpu); + } + + mutex_unlock(&intel_pstate_driver_lock); +} + /************************** sysfs begin ************************/ #define show_one(file_name, object) \ static ssize_t show_##file_name \ @@ -1197,7 +1241,7 @@ static void __init intel_pstate_sysfs_expose_params(void) static void intel_pstate_hwp_enable(struct cpudata *cpudata) { /* First disable HWP notification interrupt as we don't process them */ - if (static_cpu_has(X86_FEATURE_HWP_NOTIFY)) + if (boot_cpu_has(X86_FEATURE_HWP_NOTIFY)) wrmsrl_on_cpu(cpudata->cpu, MSR_HWP_INTERRUPT, 0x00); wrmsrl_on_cpu(cpudata->cpu, MSR_PM_ENABLE, 0x1); @@ -2138,6 +2182,7 @@ static int __intel_pstate_cpu_init(struct cpufreq_policy *policy) /* cpuinfo and default policy values */ policy->cpuinfo.min_freq = cpu->pstate.min_pstate * cpu->pstate.scaling; update_turbo_state(); + global.turbo_disabled_mf = global.turbo_disabled; policy->cpuinfo.max_freq = global.turbo_disabled ? cpu->pstate.max_pstate : cpu->pstate.turbo_pstate; policy->cpuinfo.max_freq *= cpu->pstate.scaling; @@ -2182,6 +2227,7 @@ static struct cpufreq_driver intel_pstate = { .init = intel_pstate_cpu_init, .exit = intel_pstate_cpu_exit, .stop_cpu = intel_pstate_stop_cpu, + .update_limits = intel_pstate_update_limits, .name = "intel_pstate", }; @@ -2316,6 +2362,7 @@ static struct cpufreq_driver intel_cpufreq = { .init = intel_cpufreq_cpu_init, .exit = intel_pstate_cpu_exit, .stop_cpu = intel_cpufreq_stop_cpu, + .update_limits = intel_pstate_update_limits, .name = "intel_cpufreq", }; @@ -2596,6 +2643,9 @@ static int __init intel_pstate_init(void) const struct x86_cpu_id *id; int rc; + if (boot_cpu_data.x86_vendor != X86_VENDOR_INTEL) + return -ENODEV; + if (no_load) return -ENODEV; @@ -2611,7 +2661,7 @@ static int __init intel_pstate_init(void) } else { id = x86_match_cpu(intel_pstate_cpu_ids); if (!id) { - pr_info("CPU ID not supported\n"); + pr_info("CPU model not supported\n"); return -ENODEV; } diff --git a/drivers/cpufreq/kirkwood-cpufreq.c b/drivers/cpufreq/kirkwood-cpufreq.c index c2dd43f3f5d8..8d63a6dc8383 100644 --- a/drivers/cpufreq/kirkwood-cpufreq.c +++ b/drivers/cpufreq/kirkwood-cpufreq.c @@ -124,13 +124,14 @@ static int kirkwood_cpufreq_probe(struct platform_device *pdev) priv.cpu_clk = of_clk_get_by_name(np, "cpu_clk"); if (IS_ERR(priv.cpu_clk)) { dev_err(priv.dev, "Unable to get cpuclk\n"); - return PTR_ERR(priv.cpu_clk); + err = PTR_ERR(priv.cpu_clk); + goto out_node; } err = clk_prepare_enable(priv.cpu_clk); if (err) { dev_err(priv.dev, "Unable to prepare cpuclk\n"); - return err; + goto out_node; } kirkwood_freq_table[0].frequency = clk_get_rate(priv.cpu_clk) / 1000; @@ -161,20 +162,22 @@ static int kirkwood_cpufreq_probe(struct platform_device *pdev) goto out_ddr; } - of_node_put(np); - np = NULL; - err = cpufreq_register_driver(&kirkwood_cpufreq_driver); - if (!err) - return 0; + if (err) { + dev_err(priv.dev, "Failed to register cpufreq driver\n"); + goto out_powersave; + } - dev_err(priv.dev, "Failed to register cpufreq driver\n"); + of_node_put(np); + return 0; +out_powersave: clk_disable_unprepare(priv.powersave_clk); out_ddr: clk_disable_unprepare(priv.ddr_clk); out_cpu: clk_disable_unprepare(priv.cpu_clk); +out_node: of_node_put(np); return err; diff --git a/drivers/cpufreq/maple-cpufreq.c b/drivers/cpufreq/maple-cpufreq.c index d9df89392b84..a94355723ef8 100644 --- a/drivers/cpufreq/maple-cpufreq.c +++ b/drivers/cpufreq/maple-cpufreq.c @@ -210,7 +210,7 @@ static int __init maple_cpufreq_init(void) */ valp = of_get_property(cpunode, "clock-frequency", NULL); if (!valp) - return -ENODEV; + goto bail_noprops; max_freq = (*valp)/1000; maple_cpu_freqs[0].frequency = max_freq; maple_cpu_freqs[1].frequency = max_freq/2; @@ -231,10 +231,6 @@ static int __init maple_cpufreq_init(void) rc = cpufreq_register_driver(&maple_cpufreq_driver); - of_node_put(cpunode); - - return rc; - bail_noprops: of_node_put(cpunode); diff --git a/drivers/cpufreq/pasemi-cpufreq.c b/drivers/cpufreq/pasemi-cpufreq.c index 75dfbd2a58ea..c7710c149de8 100644 --- a/drivers/cpufreq/pasemi-cpufreq.c +++ b/drivers/cpufreq/pasemi-cpufreq.c @@ -146,6 +146,7 @@ static int pas_cpufreq_cpu_init(struct cpufreq_policy *policy) cpu = of_get_cpu_node(policy->cpu, NULL); + of_node_put(cpu); if (!cpu) goto out; diff --git a/drivers/cpufreq/pmac32-cpufreq.c b/drivers/cpufreq/pmac32-cpufreq.c index 52f0d91d30c1..9b4ce2eb8222 100644 --- a/drivers/cpufreq/pmac32-cpufreq.c +++ b/drivers/cpufreq/pmac32-cpufreq.c @@ -552,6 +552,7 @@ static int pmac_cpufreq_init_7447A(struct device_node *cpunode) volt_gpio_np = of_find_node_by_name(NULL, "cpu-vcore-select"); if (volt_gpio_np) voltage_gpio = read_gpio(volt_gpio_np); + of_node_put(volt_gpio_np); if (!voltage_gpio){ pr_err("missing cpu-vcore-select gpio\n"); return 1; @@ -588,6 +589,7 @@ static int pmac_cpufreq_init_750FX(struct device_node *cpunode) if (volt_gpio_np) voltage_gpio = read_gpio(volt_gpio_np); + of_node_put(volt_gpio_np); pvr = mfspr(SPRN_PVR); has_cpu_l2lve = !((pvr & 0xf00) == 0x100); diff --git a/drivers/cpufreq/powernow-k8.c b/drivers/cpufreq/powernow-k8.c index fb77b39a4ce3..3c12e03fa343 100644 --- a/drivers/cpufreq/powernow-k8.c +++ b/drivers/cpufreq/powernow-k8.c @@ -1178,7 +1178,7 @@ static int powernowk8_init(void) unsigned int i, supported_cpus = 0; int ret; - if (static_cpu_has(X86_FEATURE_HW_PSTATE)) { + if (boot_cpu_has(X86_FEATURE_HW_PSTATE)) { __request_acpi_cpufreq(); return -ENODEV; } diff --git a/drivers/cpufreq/ppc_cbe_cpufreq.c b/drivers/cpufreq/ppc_cbe_cpufreq.c index 41a0f0be3f9f..8414c3a4ea08 100644 --- a/drivers/cpufreq/ppc_cbe_cpufreq.c +++ b/drivers/cpufreq/ppc_cbe_cpufreq.c @@ -86,6 +86,7 @@ static int cbe_cpufreq_cpu_init(struct cpufreq_policy *policy) if (!cbe_get_cpu_pmd_regs(policy->cpu) || !cbe_get_cpu_mic_tm_regs(policy->cpu)) { pr_info("invalid CBE regs pointers for cpufreq\n"); + of_node_put(cpu); return -EINVAL; } diff --git a/drivers/cpufreq/qoriq-cpufreq.c b/drivers/cpufreq/qoriq-cpufreq.c index 4295e5476264..71b640c8c1a5 100644 --- a/drivers/cpufreq/qoriq-cpufreq.c +++ b/drivers/cpufreq/qoriq-cpufreq.c @@ -280,10 +280,12 @@ static const struct of_device_id node_matches[] __initconst = { { .compatible = "fsl,ls1012a-clockgen", }, { .compatible = "fsl,ls1021a-clockgen", }, + { .compatible = "fsl,ls1028a-clockgen", }, { .compatible = "fsl,ls1043a-clockgen", }, { .compatible = "fsl,ls1046a-clockgen", }, { .compatible = "fsl,ls1088a-clockgen", }, { .compatible = "fsl,ls2080a-clockgen", }, + { .compatible = "fsl,lx2160a-clockgen", }, { .compatible = "fsl,p4080-clockgen", }, { .compatible = "fsl,qoriq-clockgen-1.0", }, { .compatible = "fsl,qoriq-clockgen-2.0", }, diff --git a/drivers/cpufreq/speedstep-centrino.c b/drivers/cpufreq/speedstep-centrino.c index a1fb735685db..e086b2dd4072 100644 --- a/drivers/cpufreq/speedstep-centrino.c +++ b/drivers/cpufreq/speedstep-centrino.c @@ -412,7 +412,7 @@ static int centrino_cpu_exit(struct cpufreq_policy *policy) } /** - * centrino_setpolicy - set a new CPUFreq policy + * centrino_target - set a new CPUFreq policy * @policy: new policy * @index: index of target frequency * diff --git a/drivers/cpuidle/cpuidle-exynos.c b/drivers/cpuidle/cpuidle-exynos.c index 0171a6e190d7..f7199a35cbb6 100644 --- a/drivers/cpuidle/cpuidle-exynos.c +++ b/drivers/cpuidle/cpuidle-exynos.c @@ -84,7 +84,7 @@ static struct cpuidle_driver exynos_idle_driver = { [1] = { .enter = exynos_enter_lowpower, .exit_latency = 300, - .target_residency = 100000, + .target_residency = 10000, .name = "C1", .desc = "ARM power down", }, diff --git a/drivers/cpuidle/cpuidle.c b/drivers/cpuidle/cpuidle.c index 7f108309e871..0f4b7c45df3e 100644 --- a/drivers/cpuidle/cpuidle.c +++ b/drivers/cpuidle/cpuidle.c @@ -328,9 +328,23 @@ int cpuidle_select(struct cpuidle_driver *drv, struct cpuidle_device *dev, int cpuidle_enter(struct cpuidle_driver *drv, struct cpuidle_device *dev, int index) { + int ret = 0; + + /* + * Store the next hrtimer, which becomes either next tick or the next + * timer event, whatever expires first. Additionally, to make this data + * useful for consumers outside cpuidle, we rely on that the governor's + * ->select() callback have decided, whether to stop the tick or not. + */ + WRITE_ONCE(dev->next_hrtimer, tick_nohz_get_next_hrtimer()); + if (cpuidle_state_is_coupled(drv, index)) - return cpuidle_enter_state_coupled(dev, drv, index); - return cpuidle_enter_state(dev, drv, index); + ret = cpuidle_enter_state_coupled(dev, drv, index); + else + ret = cpuidle_enter_state(dev, drv, index); + + WRITE_ONCE(dev->next_hrtimer, 0); + return ret; } /** @@ -511,6 +525,7 @@ static void __cpuidle_device_init(struct cpuidle_device *dev) { memset(dev->states_usage, 0, sizeof(dev->states_usage)); dev->last_residency = 0; + dev->next_hrtimer = 0; } /** diff --git a/drivers/crypto/caam/caamhash.c b/drivers/crypto/caam/caamhash.c index b1eadc6652b5..7205d9f4029e 100644 --- a/drivers/crypto/caam/caamhash.c +++ b/drivers/crypto/caam/caamhash.c @@ -865,19 +865,18 @@ static int ahash_update_ctx(struct ahash_request *req) if (ret) goto unmap_ctx; - if (mapped_nents) { + if (mapped_nents) sg_to_sec4_sg_last(req->src, mapped_nents, edesc->sec4_sg + sec4_sg_src_index, 0); - if (*next_buflen) - scatterwalk_map_and_copy(next_buf, req->src, - to_hash - *buflen, - *next_buflen, 0); - } else { + else sg_to_sec4_set_last(edesc->sec4_sg + sec4_sg_src_index - 1); - } + if (*next_buflen) + scatterwalk_map_and_copy(next_buf, req->src, + to_hash - *buflen, + *next_buflen, 0); desc = edesc->hw_desc; edesc->sec4_sg_dma = dma_map_single(jrdev, edesc->sec4_sg, diff --git a/drivers/crypto/cavium/nitrox/nitrox_reqmgr.c b/drivers/crypto/cavium/nitrox/nitrox_reqmgr.c index 4c97478d44bd..5826c2c98a50 100644 --- a/drivers/crypto/cavium/nitrox/nitrox_reqmgr.c +++ b/drivers/crypto/cavium/nitrox/nitrox_reqmgr.c @@ -303,8 +303,6 @@ static void post_se_instr(struct nitrox_softreq *sr, /* Ring doorbell with count 1 */ writeq(1, cmdq->dbell_csr_addr); - /* orders the doorbell rings */ - mmiowb(); cmdq->write_idx = incr_index(idx, 1, ndev->qlen); @@ -599,8 +597,6 @@ void pkt_slc_resp_tasklet(unsigned long data) * MSI-X interrupt generates if Completion count > Threshold */ writeq(slc_cnts.value, cmdq->compl_cnt_csr_addr); - /* order the writes */ - mmiowb(); if (atomic_read(&cmdq->backlog_count)) schedule_work(&cmdq->backlog_qflush); diff --git a/drivers/devfreq/devfreq-event.c b/drivers/devfreq/devfreq-event.c index d67242d87744..87e93406d7cd 100644 --- a/drivers/devfreq/devfreq-event.c +++ b/drivers/devfreq/devfreq-event.c @@ -240,7 +240,7 @@ struct devfreq_event_dev *devfreq_event_get_edev_by_phandle(struct device *dev, } list_for_each_entry(edev, &devfreq_event_list, node) { - if (!strcmp(edev->desc->name, node->name)) + if (of_node_name_eq(node, edev->desc->name)) goto out; } edev = NULL; diff --git a/drivers/devfreq/devfreq.c b/drivers/devfreq/devfreq.c index 0ae3de76833b..6b6991f0e873 100644 --- a/drivers/devfreq/devfreq.c +++ b/drivers/devfreq/devfreq.c @@ -29,6 +29,9 @@ #include <linux/of.h> #include "governor.h" +#define CREATE_TRACE_POINTS +#include <trace/events/devfreq.h> + static struct class *devfreq_class; /* @@ -228,7 +231,7 @@ static struct devfreq_governor *find_devfreq_governor(const char *name) * if is not found. This can happen when both drivers (the governor driver * and the driver that call devfreq_add_device) are built as modules. * devfreq_list_lock should be held by the caller. Returns the matched - * governor's pointer. + * governor's pointer or an error pointer. */ static struct devfreq_governor *try_then_request_governor(const char *name) { @@ -254,7 +257,7 @@ static struct devfreq_governor *try_then_request_governor(const char *name) /* Restore previous state before return */ mutex_lock(&devfreq_list_lock); if (err) - return NULL; + return ERR_PTR(err); governor = find_devfreq_governor(name); } @@ -394,6 +397,8 @@ static void devfreq_monitor(struct work_struct *work) queue_delayed_work(devfreq_wq, &devfreq->work, msecs_to_jiffies(devfreq->profile->polling_ms)); mutex_unlock(&devfreq->lock); + + trace_devfreq_monitor(devfreq); } /** @@ -528,7 +533,7 @@ void devfreq_interval_update(struct devfreq *devfreq, unsigned int *delay) mutex_lock(&devfreq->lock); if (!devfreq->stop_polling) queue_delayed_work(devfreq_wq, &devfreq->work, - msecs_to_jiffies(devfreq->profile->polling_ms)); + msecs_to_jiffies(devfreq->profile->polling_ms)); } out: mutex_unlock(&devfreq->lock); @@ -537,7 +542,7 @@ EXPORT_SYMBOL(devfreq_interval_update); /** * devfreq_notifier_call() - Notify that the device frequency requirements - * has been changed out of devfreq framework. + * has been changed out of devfreq framework. * @nb: the notifier_block (supposed to be devfreq->nb) * @type: not used * @devp: not used @@ -651,7 +656,7 @@ struct devfreq *devfreq_add_device(struct device *dev, mutex_unlock(&devfreq->lock); err = set_freq_table(devfreq); if (err < 0) - goto err_out; + goto err_dev; mutex_lock(&devfreq->lock); } @@ -683,16 +688,27 @@ struct devfreq *devfreq_add_device(struct device *dev, goto err_out; } - devfreq->trans_table = - devm_kzalloc(&devfreq->dev, - array3_size(sizeof(unsigned int), - devfreq->profile->max_state, - devfreq->profile->max_state), - GFP_KERNEL); + devfreq->trans_table = devm_kzalloc(&devfreq->dev, + array3_size(sizeof(unsigned int), + devfreq->profile->max_state, + devfreq->profile->max_state), + GFP_KERNEL); + if (!devfreq->trans_table) { + mutex_unlock(&devfreq->lock); + err = -ENOMEM; + goto err_devfreq; + } + devfreq->time_in_state = devm_kcalloc(&devfreq->dev, - devfreq->profile->max_state, - sizeof(unsigned long), - GFP_KERNEL); + devfreq->profile->max_state, + sizeof(unsigned long), + GFP_KERNEL); + if (!devfreq->time_in_state) { + mutex_unlock(&devfreq->lock); + err = -ENOMEM; + goto err_devfreq; + } + devfreq->last_stat_updated = jiffies; srcu_init_notifier_head(&devfreq->transition_notifier_list); @@ -726,7 +742,7 @@ struct devfreq *devfreq_add_device(struct device *dev, err_init: mutex_unlock(&devfreq_list_lock); - +err_devfreq: devfreq_remove_device(devfreq); devfreq = NULL; err_dev: @@ -1113,7 +1129,7 @@ static ssize_t governor_store(struct device *dev, struct device_attribute *attr, struct devfreq *df = to_devfreq(dev); int ret; char str_governor[DEVFREQ_NAME_LEN + 1]; - struct devfreq_governor *governor; + const struct devfreq_governor *governor, *prev_governor; ret = sscanf(buf, "%" __stringify(DEVFREQ_NAME_LEN) "s", str_governor); if (ret != 1) @@ -1142,12 +1158,24 @@ static ssize_t governor_store(struct device *dev, struct device_attribute *attr, goto out; } } + prev_governor = df->governor; df->governor = governor; strncpy(df->governor_name, governor->name, DEVFREQ_NAME_LEN); ret = df->governor->event_handler(df, DEVFREQ_GOV_START, NULL); - if (ret) + if (ret) { dev_warn(dev, "%s: Governor %s not started(%d)\n", __func__, df->governor->name, ret); + df->governor = prev_governor; + strncpy(df->governor_name, prev_governor->name, + DEVFREQ_NAME_LEN); + ret = df->governor->event_handler(df, DEVFREQ_GOV_START, NULL); + if (ret) { + dev_err(dev, + "%s: reverting to Governor %s failed (%d)\n", + __func__, df->governor_name, ret); + df->governor = NULL; + } + } out: mutex_unlock(&devfreq_list_lock); @@ -1172,7 +1200,7 @@ static ssize_t available_governors_show(struct device *d, */ if (df->governor->immutable) { count = scnprintf(&buf[count], DEVFREQ_NAME_LEN, - "%s ", df->governor_name); + "%s ", df->governor_name); /* * The devfreq device shows the registered governor except for * immutable governors such as passive governor . @@ -1485,8 +1513,8 @@ EXPORT_SYMBOL(devfreq_recommended_opp); /** * devfreq_register_opp_notifier() - Helper function to get devfreq notified - * for any changes in the OPP availability - * changes + * for any changes in the OPP availability + * changes * @dev: The devfreq user device. (parent of devfreq) * @devfreq: The devfreq object. */ @@ -1498,8 +1526,8 @@ EXPORT_SYMBOL(devfreq_register_opp_notifier); /** * devfreq_unregister_opp_notifier() - Helper function to stop getting devfreq - * notified for any changes in the OPP - * availability changes anymore. + * notified for any changes in the OPP + * availability changes anymore. * @dev: The devfreq user device. (parent of devfreq) * @devfreq: The devfreq object. * @@ -1518,8 +1546,8 @@ static void devm_devfreq_opp_release(struct device *dev, void *res) } /** - * devm_ devfreq_register_opp_notifier() - * - Resource-managed devfreq_register_opp_notifier() + * devm_devfreq_register_opp_notifier() - Resource-managed + * devfreq_register_opp_notifier() * @dev: The devfreq user device. (parent of devfreq) * @devfreq: The devfreq object. */ @@ -1547,8 +1575,8 @@ int devm_devfreq_register_opp_notifier(struct device *dev, EXPORT_SYMBOL(devm_devfreq_register_opp_notifier); /** - * devm_devfreq_unregister_opp_notifier() - * - Resource-managed devfreq_unregister_opp_notifier() + * devm_devfreq_unregister_opp_notifier() - Resource-managed + * devfreq_unregister_opp_notifier() * @dev: The devfreq user device. (parent of devfreq) * @devfreq: The devfreq object. */ @@ -1567,8 +1595,8 @@ EXPORT_SYMBOL(devm_devfreq_unregister_opp_notifier); * @list: DEVFREQ_TRANSITION_NOTIFIER. */ int devfreq_register_notifier(struct devfreq *devfreq, - struct notifier_block *nb, - unsigned int list) + struct notifier_block *nb, + unsigned int list) { int ret = 0; @@ -1674,9 +1702,9 @@ EXPORT_SYMBOL(devm_devfreq_register_notifier); * @list: DEVFREQ_TRANSITION_NOTIFIER. */ void devm_devfreq_unregister_notifier(struct device *dev, - struct devfreq *devfreq, - struct notifier_block *nb, - unsigned int list) + struct devfreq *devfreq, + struct notifier_block *nb, + unsigned int list) { WARN_ON(devres_release(dev, devm_devfreq_notifier_release, devm_devfreq_dev_match, devfreq)); diff --git a/drivers/devfreq/event/exynos-ppmu.c b/drivers/devfreq/event/exynos-ppmu.c index c61de0bdf053..c2ea94957501 100644 --- a/drivers/devfreq/event/exynos-ppmu.c +++ b/drivers/devfreq/event/exynos-ppmu.c @@ -529,7 +529,7 @@ static int of_get_devfreq_events(struct device_node *np, if (!ppmu_events[i].name) continue; - if (!of_node_cmp(node->name, ppmu_events[i].name)) + if (of_node_name_eq(node, ppmu_events[i].name)) break; } diff --git a/drivers/devfreq/event/rockchip-dfi.c b/drivers/devfreq/event/rockchip-dfi.c index 22b113363ffc..a436ec4901bb 100644 --- a/drivers/devfreq/event/rockchip-dfi.c +++ b/drivers/devfreq/event/rockchip-dfi.c @@ -26,6 +26,8 @@ #include <linux/list.h> #include <linux/of.h> +#include <soc/rockchip/rk3399_grf.h> + #define RK3399_DMC_NUM_CH 2 /* DDRMON_CTRL */ @@ -43,18 +45,6 @@ #define DDRMON_CH1_COUNT_NUM 0x3c #define DDRMON_CH1_DFI_ACCESS_NUM 0x40 -/* pmu grf */ -#define PMUGRF_OS_REG2 0x308 -#define DDRTYPE_SHIFT 13 -#define DDRTYPE_MASK 7 - -enum { - DDR3 = 3, - LPDDR3 = 6, - LPDDR4 = 7, - UNUSED = 0xFF -}; - struct dmc_usage { u32 access; u32 total; @@ -83,16 +73,17 @@ static void rockchip_dfi_start_hardware_counter(struct devfreq_event_dev *edev) u32 ddr_type; /* get ddr type */ - regmap_read(info->regmap_pmu, PMUGRF_OS_REG2, &val); - ddr_type = (val >> DDRTYPE_SHIFT) & DDRTYPE_MASK; + regmap_read(info->regmap_pmu, RK3399_PMUGRF_OS_REG2, &val); + ddr_type = (val >> RK3399_PMUGRF_DDRTYPE_SHIFT) & + RK3399_PMUGRF_DDRTYPE_MASK; /* clear DDRMON_CTRL setting */ writel_relaxed(CLR_DDRMON_CTRL, dfi_regs + DDRMON_CTRL); /* set ddr type to dfi */ - if (ddr_type == LPDDR3) + if (ddr_type == RK3399_PMUGRF_DDRTYPE_LPDDR3) writel_relaxed(LPDDR3_EN, dfi_regs + DDRMON_CTRL); - else if (ddr_type == LPDDR4) + else if (ddr_type == RK3399_PMUGRF_DDRTYPE_LPDDR4) writel_relaxed(LPDDR4_EN, dfi_regs + DDRMON_CTRL); /* enable count, use software mode */ @@ -211,7 +202,7 @@ static int rockchip_dfi_probe(struct platform_device *pdev) if (IS_ERR(data->clk)) { dev_err(dev, "Cannot get the clk dmc_clk\n"); return PTR_ERR(data->clk); - }; + } /* try to find the optional reference to the pmu syscon */ node = of_parse_phandle(np, "rockchip,pmu", 0); diff --git a/drivers/devfreq/exynos-bus.c b/drivers/devfreq/exynos-bus.c index c25658b26598..486cc5b422f1 100644 --- a/drivers/devfreq/exynos-bus.c +++ b/drivers/devfreq/exynos-bus.c @@ -514,6 +514,13 @@ err: return ret; } +static void exynos_bus_shutdown(struct platform_device *pdev) +{ + struct exynos_bus *bus = dev_get_drvdata(&pdev->dev); + + devfreq_suspend_device(bus->devfreq); +} + #ifdef CONFIG_PM_SLEEP static int exynos_bus_resume(struct device *dev) { @@ -556,6 +563,7 @@ MODULE_DEVICE_TABLE(of, exynos_bus_of_match); static struct platform_driver exynos_bus_platdrv = { .probe = exynos_bus_probe, + .shutdown = exynos_bus_shutdown, .driver = { .name = "exynos-bus", .pm = &exynos_bus_pm, diff --git a/drivers/devfreq/rk3399_dmc.c b/drivers/devfreq/rk3399_dmc.c index e795ad2b3f6b..567c034d0301 100644 --- a/drivers/devfreq/rk3399_dmc.c +++ b/drivers/devfreq/rk3399_dmc.c @@ -18,14 +18,17 @@ #include <linux/devfreq.h> #include <linux/devfreq-event.h> #include <linux/interrupt.h> +#include <linux/mfd/syscon.h> #include <linux/module.h> #include <linux/of.h> #include <linux/platform_device.h> #include <linux/pm_opp.h> +#include <linux/regmap.h> #include <linux/regulator/consumer.h> #include <linux/rwsem.h> #include <linux/suspend.h> +#include <soc/rockchip/rk3399_grf.h> #include <soc/rockchip/rockchip_sip.h> struct dram_timing { @@ -69,8 +72,11 @@ struct rk3399_dmcfreq { struct mutex lock; struct dram_timing timing; struct regulator *vdd_center; + struct regmap *regmap_pmu; unsigned long rate, target_rate; unsigned long volt, target_volt; + unsigned int odt_dis_freq; + int odt_pd_arg0, odt_pd_arg1; }; static int rk3399_dmcfreq_target(struct device *dev, unsigned long *freq, @@ -80,6 +86,8 @@ static int rk3399_dmcfreq_target(struct device *dev, unsigned long *freq, struct dev_pm_opp *opp; unsigned long old_clk_rate = dmcfreq->rate; unsigned long target_volt, target_rate; + struct arm_smccc_res res; + bool odt_enable = false; int err; opp = devfreq_recommended_opp(dev, freq, flags); @@ -95,6 +103,19 @@ static int rk3399_dmcfreq_target(struct device *dev, unsigned long *freq, mutex_lock(&dmcfreq->lock); + if (target_rate >= dmcfreq->odt_dis_freq) + odt_enable = true; + + /* + * This makes a SMC call to the TF-A to set the DDR PD (power-down) + * timings and to enable or disable the ODT (on-die termination) + * resistors. + */ + arm_smccc_smc(ROCKCHIP_SIP_DRAM_FREQ, dmcfreq->odt_pd_arg0, + dmcfreq->odt_pd_arg1, + ROCKCHIP_SIP_CONFIG_DRAM_SET_ODT_PD, + odt_enable, 0, 0, 0, &res); + /* * If frequency scaling from low to high, adjust voltage first. * If frequency scaling from high to low, adjust frequency first. @@ -294,11 +315,13 @@ static int rk3399_dmcfreq_probe(struct platform_device *pdev) { struct arm_smccc_res res; struct device *dev = &pdev->dev; - struct device_node *np = pdev->dev.of_node; + struct device_node *np = pdev->dev.of_node, *node; struct rk3399_dmcfreq *data; int ret, index, size; uint32_t *timing; struct dev_pm_opp *opp; + u32 ddr_type; + u32 val; data = devm_kzalloc(dev, sizeof(struct rk3399_dmcfreq), GFP_KERNEL); if (!data) @@ -322,7 +345,7 @@ static int rk3399_dmcfreq_probe(struct platform_device *pdev) dev_err(dev, "Cannot get the clk dmc_clk\n"); return PTR_ERR(data->dmc_clk); - }; + } data->edev = devfreq_event_get_edev_by_phandle(dev, 0); if (IS_ERR(data->edev)) @@ -354,11 +377,57 @@ static int rk3399_dmcfreq_probe(struct platform_device *pdev) } } + node = of_parse_phandle(np, "rockchip,pmu", 0); + if (node) { + data->regmap_pmu = syscon_node_to_regmap(node); + if (IS_ERR(data->regmap_pmu)) + return PTR_ERR(data->regmap_pmu); + } + + regmap_read(data->regmap_pmu, RK3399_PMUGRF_OS_REG2, &val); + ddr_type = (val >> RK3399_PMUGRF_DDRTYPE_SHIFT) & + RK3399_PMUGRF_DDRTYPE_MASK; + + switch (ddr_type) { + case RK3399_PMUGRF_DDRTYPE_DDR3: + data->odt_dis_freq = data->timing.ddr3_odt_dis_freq; + break; + case RK3399_PMUGRF_DDRTYPE_LPDDR3: + data->odt_dis_freq = data->timing.lpddr3_odt_dis_freq; + break; + case RK3399_PMUGRF_DDRTYPE_LPDDR4: + data->odt_dis_freq = data->timing.lpddr4_odt_dis_freq; + break; + default: + return -EINVAL; + }; + arm_smccc_smc(ROCKCHIP_SIP_DRAM_FREQ, 0, 0, ROCKCHIP_SIP_CONFIG_DRAM_INIT, 0, 0, 0, 0, &res); /* + * In TF-A there is a platform SIP call to set the PD (power-down) + * timings and to enable or disable the ODT (on-die termination). + * This call needs three arguments as follows: + * + * arg0: + * bit[0-7] : sr_idle + * bit[8-15] : sr_mc_gate_idle + * bit[16-31] : standby idle + * arg1: + * bit[0-11] : pd_idle + * bit[16-27] : srpd_lite_idle + * arg2: + * bit[0] : odt enable + */ + data->odt_pd_arg0 = (data->timing.sr_idle & 0xff) | + ((data->timing.sr_mc_gate_idle & 0xff) << 8) | + ((data->timing.standby_idle & 0xffff) << 16); + data->odt_pd_arg1 = (data->timing.pd_idle & 0xfff) | + ((data->timing.srpd_lite_idle & 0xfff) << 16); + + /* * We add a devfreq driver to our parent since it has a device tree node * with operating points. */ diff --git a/drivers/devfreq/tegra-devfreq.c b/drivers/devfreq/tegra-devfreq.c index c59d2eee5d30..c89ba7b834ff 100644 --- a/drivers/devfreq/tegra-devfreq.c +++ b/drivers/devfreq/tegra-devfreq.c @@ -573,10 +573,7 @@ static int tegra_governor_get_target(struct devfreq *devfreq, static int tegra_governor_event_handler(struct devfreq *devfreq, unsigned int event, void *data) { - struct tegra_devfreq *tegra; - int ret = 0; - - tegra = dev_get_drvdata(devfreq->dev.parent); + struct tegra_devfreq *tegra = dev_get_drvdata(devfreq->dev.parent); switch (event) { case DEVFREQ_GOV_START: @@ -600,7 +597,7 @@ static int tegra_governor_event_handler(struct devfreq *devfreq, break; } - return ret; + return 0; } static struct devfreq_governor tegra_devfreq_governor = { diff --git a/drivers/dma/bcm2835-dma.c b/drivers/dma/bcm2835-dma.c index ec8a291d62ba..54093ffd0aef 100644 --- a/drivers/dma/bcm2835-dma.c +++ b/drivers/dma/bcm2835-dma.c @@ -671,7 +671,7 @@ static struct dma_async_tx_descriptor *bcm2835_dma_prep_slave_sg( d = bcm2835_dma_create_cb_chain(chan, direction, false, info, extra, frames, src, dst, 0, 0, - GFP_KERNEL); + GFP_NOWAIT); if (!d) return NULL; diff --git a/drivers/dma/mediatek/mtk-cqdma.c b/drivers/dma/mediatek/mtk-cqdma.c index 131f3974740d..814853842e29 100644 --- a/drivers/dma/mediatek/mtk-cqdma.c +++ b/drivers/dma/mediatek/mtk-cqdma.c @@ -253,7 +253,7 @@ static void mtk_cqdma_start(struct mtk_cqdma_pchan *pc, #ifdef CONFIG_ARCH_DMA_ADDR_T_64BIT mtk_dma_set(pc, MTK_CQDMA_DST2, cvd->dest >> MTK_CQDMA_ADDR2_SHFIT); #else - mtk_dma_set(pc, MTK_CQDMA_SRC2, 0); + mtk_dma_set(pc, MTK_CQDMA_DST2, 0); #endif /* setup the length */ diff --git a/drivers/dma/sh/rcar-dmac.c b/drivers/dma/sh/rcar-dmac.c index 2b4f25698169..e2a5398f89b5 100644 --- a/drivers/dma/sh/rcar-dmac.c +++ b/drivers/dma/sh/rcar-dmac.c @@ -1282,6 +1282,9 @@ static unsigned int rcar_dmac_chan_get_residue(struct rcar_dmac_chan *chan, enum dma_status status; unsigned int residue = 0; unsigned int dptr = 0; + unsigned int chcrb; + unsigned int tcrb; + unsigned int i; if (!desc) return 0; @@ -1330,14 +1333,31 @@ static unsigned int rcar_dmac_chan_get_residue(struct rcar_dmac_chan *chan, } /* + * We need to read two registers. + * Make sure the control register does not skip to next chunk + * while reading the counter. + * Trying it 3 times should be enough: Initial read, retry, retry + * for the paranoid. + */ + for (i = 0; i < 3; i++) { + chcrb = rcar_dmac_chan_read(chan, RCAR_DMACHCRB) & + RCAR_DMACHCRB_DPTR_MASK; + tcrb = rcar_dmac_chan_read(chan, RCAR_DMATCRB); + /* Still the same? */ + if (chcrb == (rcar_dmac_chan_read(chan, RCAR_DMACHCRB) & + RCAR_DMACHCRB_DPTR_MASK)) + break; + } + WARN_ONCE(i >= 3, "residue might be not continuous!"); + + /* * In descriptor mode the descriptor running pointer is not maintained * by the interrupt handler, find the running descriptor from the * descriptor pointer field in the CHCRB register. In non-descriptor * mode just use the running descriptor pointer. */ if (desc->hwdescs.use) { - dptr = (rcar_dmac_chan_read(chan, RCAR_DMACHCRB) & - RCAR_DMACHCRB_DPTR_MASK) >> RCAR_DMACHCRB_DPTR_SHIFT; + dptr = chcrb >> RCAR_DMACHCRB_DPTR_SHIFT; if (dptr == 0) dptr = desc->nchunks; dptr--; @@ -1355,7 +1375,7 @@ static unsigned int rcar_dmac_chan_get_residue(struct rcar_dmac_chan *chan, } /* Add the residue for the current chunk. */ - residue += rcar_dmac_chan_read(chan, RCAR_DMATCRB) << desc->xfer_shift; + residue += tcrb << desc->xfer_shift; return residue; } @@ -1368,6 +1388,7 @@ static enum dma_status rcar_dmac_tx_status(struct dma_chan *chan, enum dma_status status; unsigned long flags; unsigned int residue; + bool cyclic; status = dma_cookie_status(chan, cookie, txstate); if (status == DMA_COMPLETE || !txstate) @@ -1375,10 +1396,11 @@ static enum dma_status rcar_dmac_tx_status(struct dma_chan *chan, spin_lock_irqsave(&rchan->lock, flags); residue = rcar_dmac_chan_get_residue(rchan, cookie); + cyclic = rchan->desc.running ? rchan->desc.running->cyclic : false; spin_unlock_irqrestore(&rchan->lock, flags); /* if there's no residue, the cookie is complete */ - if (!residue) + if (!residue && !cyclic) return DMA_COMPLETE; dma_set_residue(txstate, residue); diff --git a/drivers/dma/txx9dmac.c b/drivers/dma/txx9dmac.c index eb45af71d3a3..e8d0881b64d8 100644 --- a/drivers/dma/txx9dmac.c +++ b/drivers/dma/txx9dmac.c @@ -327,7 +327,6 @@ static void txx9dmac_reset_chan(struct txx9dmac_chan *dc) channel_writel(dc, SAIR, 0); channel_writel(dc, DAIR, 0); channel_writel(dc, CCR, 0); - mmiowb(); } /* Called with dc->lock held and bh disabled */ @@ -954,7 +953,6 @@ static void txx9dmac_chain_dynamic(struct txx9dmac_chan *dc, dma_sync_single_for_device(chan2parent(&dc->chan), prev->txd.phys, ddev->descsize, DMA_TO_DEVICE); - mmiowb(); if (!(channel_readl(dc, CSR) & TXX9_DMA_CSR_CHNEN) && channel_read_CHAR(dc) == prev->txd.phys) /* Restart chain DMA */ @@ -1080,7 +1078,6 @@ static void txx9dmac_free_chan_resources(struct dma_chan *chan) static void txx9dmac_off(struct txx9dmac_dev *ddev) { dma_writel(ddev, MCR, 0); - mmiowb(); } static int __init txx9dmac_chan_probe(struct platform_device *pdev) diff --git a/drivers/edac/altera_edac.c b/drivers/edac/altera_edac.c index 1bcf9aea0cdf..8816f74a22b4 100644 --- a/drivers/edac/altera_edac.c +++ b/drivers/edac/altera_edac.c @@ -9,6 +9,7 @@ #include <linux/ctype.h> #include <linux/delay.h> #include <linux/edac.h> +#include <linux/firmware/intel/stratix10-smc.h> #include <linux/genalloc.h> #include <linux/interrupt.h> #include <linux/irqchip/chained_irq.h> @@ -1361,8 +1362,19 @@ static const struct edac_device_prv_data a10_l2ecc_data = { #ifdef CONFIG_EDAC_ALTERA_ETHERNET +static int __init socfpga_init_ethernet_ecc(struct altr_edac_device_dev *dev) +{ + int ret; + + ret = altr_init_a10_ecc_device_type("altr,socfpga-eth-mac-ecc"); + if (ret) + return ret; + + return altr_check_ecc_deps(dev); +} + static const struct edac_device_prv_data a10_enetecc_data = { - .setup = altr_check_ecc_deps, + .setup = socfpga_init_ethernet_ecc, .ce_clear_mask = ALTR_A10_ECC_SERRPENA, .ue_clear_mask = ALTR_A10_ECC_DERRPENA, .ecc_enable_mask = ALTR_A10_COMMON_ECC_EN_CTL, @@ -1374,21 +1386,25 @@ static const struct edac_device_prv_data a10_enetecc_data = { .inject_fops = &altr_edac_a10_device_inject2_fops, }; -static int __init socfpga_init_ethernet_ecc(void) -{ - return altr_init_a10_ecc_device_type("altr,socfpga-eth-mac-ecc"); -} - -early_initcall(socfpga_init_ethernet_ecc); - #endif /* CONFIG_EDAC_ALTERA_ETHERNET */ /********************** NAND Device Functions **********************/ #ifdef CONFIG_EDAC_ALTERA_NAND +static int __init socfpga_init_nand_ecc(struct altr_edac_device_dev *device) +{ + int ret; + + ret = altr_init_a10_ecc_device_type("altr,socfpga-nand-ecc"); + if (ret) + return ret; + + return altr_check_ecc_deps(device); +} + static const struct edac_device_prv_data a10_nandecc_data = { - .setup = altr_check_ecc_deps, + .setup = socfpga_init_nand_ecc, .ce_clear_mask = ALTR_A10_ECC_SERRPENA, .ue_clear_mask = ALTR_A10_ECC_DERRPENA, .ecc_enable_mask = ALTR_A10_COMMON_ECC_EN_CTL, @@ -1400,21 +1416,25 @@ static const struct edac_device_prv_data a10_nandecc_data = { .inject_fops = &altr_edac_a10_device_inject_fops, }; -static int __init socfpga_init_nand_ecc(void) -{ - return altr_init_a10_ecc_device_type("altr,socfpga-nand-ecc"); -} - -early_initcall(socfpga_init_nand_ecc); - #endif /* CONFIG_EDAC_ALTERA_NAND */ /********************** DMA Device Functions **********************/ #ifdef CONFIG_EDAC_ALTERA_DMA +static int __init socfpga_init_dma_ecc(struct altr_edac_device_dev *device) +{ + int ret; + + ret = altr_init_a10_ecc_device_type("altr,socfpga-dma-ecc"); + if (ret) + return ret; + + return altr_check_ecc_deps(device); +} + static const struct edac_device_prv_data a10_dmaecc_data = { - .setup = altr_check_ecc_deps, + .setup = socfpga_init_dma_ecc, .ce_clear_mask = ALTR_A10_ECC_SERRPENA, .ue_clear_mask = ALTR_A10_ECC_DERRPENA, .ecc_enable_mask = ALTR_A10_COMMON_ECC_EN_CTL, @@ -1426,21 +1446,25 @@ static const struct edac_device_prv_data a10_dmaecc_data = { .inject_fops = &altr_edac_a10_device_inject_fops, }; -static int __init socfpga_init_dma_ecc(void) -{ - return altr_init_a10_ecc_device_type("altr,socfpga-dma-ecc"); -} - -early_initcall(socfpga_init_dma_ecc); - #endif /* CONFIG_EDAC_ALTERA_DMA */ /********************** USB Device Functions **********************/ #ifdef CONFIG_EDAC_ALTERA_USB +static int __init socfpga_init_usb_ecc(struct altr_edac_device_dev *device) +{ + int ret; + + ret = altr_init_a10_ecc_device_type("altr,socfpga-usb-ecc"); + if (ret) + return ret; + + return altr_check_ecc_deps(device); +} + static const struct edac_device_prv_data a10_usbecc_data = { - .setup = altr_check_ecc_deps, + .setup = socfpga_init_usb_ecc, .ce_clear_mask = ALTR_A10_ECC_SERRPENA, .ue_clear_mask = ALTR_A10_ECC_DERRPENA, .ecc_enable_mask = ALTR_A10_COMMON_ECC_EN_CTL, @@ -1452,21 +1476,25 @@ static const struct edac_device_prv_data a10_usbecc_data = { .inject_fops = &altr_edac_a10_device_inject2_fops, }; -static int __init socfpga_init_usb_ecc(void) -{ - return altr_init_a10_ecc_device_type("altr,socfpga-usb-ecc"); -} - -early_initcall(socfpga_init_usb_ecc); - #endif /* CONFIG_EDAC_ALTERA_USB */ /********************** QSPI Device Functions **********************/ #ifdef CONFIG_EDAC_ALTERA_QSPI +static int __init socfpga_init_qspi_ecc(struct altr_edac_device_dev *device) +{ + int ret; + + ret = altr_init_a10_ecc_device_type("altr,socfpga-qspi-ecc"); + if (ret) + return ret; + + return altr_check_ecc_deps(device); +} + static const struct edac_device_prv_data a10_qspiecc_data = { - .setup = altr_check_ecc_deps, + .setup = socfpga_init_qspi_ecc, .ce_clear_mask = ALTR_A10_ECC_SERRPENA, .ue_clear_mask = ALTR_A10_ECC_DERRPENA, .ecc_enable_mask = ALTR_A10_COMMON_ECC_EN_CTL, @@ -1478,13 +1506,6 @@ static const struct edac_device_prv_data a10_qspiecc_data = { .inject_fops = &altr_edac_a10_device_inject_fops, }; -static int __init socfpga_init_qspi_ecc(void) -{ - return altr_init_a10_ecc_device_type("altr,socfpga-qspi-ecc"); -} - -early_initcall(socfpga_init_qspi_ecc); - #endif /* CONFIG_EDAC_ALTERA_QSPI */ /********************* SDMMC Device Functions **********************/ @@ -1593,6 +1614,35 @@ err_release_group_1: return rc; } +static int __init socfpga_init_sdmmc_ecc(struct altr_edac_device_dev *device) +{ + int rc = -ENODEV; + struct device_node *child; + + child = of_find_compatible_node(NULL, NULL, "altr,socfpga-sdmmc-ecc"); + if (!child) + return -ENODEV; + + if (!of_device_is_available(child)) + goto exit; + + if (validate_parent_available(child)) + goto exit; + + /* Init portB */ + rc = altr_init_a10_ecc_block(child, ALTR_A10_SDMMC_IRQ_MASK, + a10_sdmmceccb_data.ecc_enable_mask, 1); + if (rc) + goto exit; + + /* Setup portB */ + return altr_portb_setup(device); + +exit: + of_node_put(child); + return rc; +} + static irqreturn_t altr_edac_a10_ecc_irq_portb(int irq, void *dev_id) { struct altr_edac_device_dev *ad = dev_id; @@ -1617,7 +1667,7 @@ static irqreturn_t altr_edac_a10_ecc_irq_portb(int irq, void *dev_id) } static const struct edac_device_prv_data a10_sdmmcecca_data = { - .setup = altr_portb_setup, + .setup = socfpga_init_sdmmc_ecc, .ce_clear_mask = ALTR_A10_ECC_SERRPENA, .ue_clear_mask = ALTR_A10_ECC_DERRPENA, .ecc_enable_mask = ALTR_A10_COMMON_ECC_EN_CTL, @@ -1630,7 +1680,7 @@ static const struct edac_device_prv_data a10_sdmmcecca_data = { }; static const struct edac_device_prv_data a10_sdmmceccb_data = { - .setup = altr_portb_setup, + .setup = socfpga_init_sdmmc_ecc, .ce_clear_mask = ALTR_A10_ECC_SERRPENB, .ue_clear_mask = ALTR_A10_ECC_DERRPENB, .ecc_enable_mask = ALTR_A10_COMMON_ECC_EN_CTL, @@ -1642,35 +1692,6 @@ static const struct edac_device_prv_data a10_sdmmceccb_data = { .inject_fops = &altr_edac_a10_device_inject_fops, }; -static int __init socfpga_init_sdmmc_ecc(void) -{ - int rc = -ENODEV; - struct device_node *child; - - if (!socfpga_is_a10() && !socfpga_is_s10()) - return -ENODEV; - - child = of_find_compatible_node(NULL, NULL, "altr,socfpga-sdmmc-ecc"); - if (!child) { - edac_printk(KERN_WARNING, EDAC_DEVICE, "SDMMC node not found\n"); - return -ENODEV; - } - - if (!of_device_is_available(child)) - goto exit; - - if (validate_parent_available(child)) - goto exit; - - rc = altr_init_a10_ecc_block(child, ALTR_A10_SDMMC_IRQ_MASK, - a10_sdmmcecca_data.ecc_enable_mask, 1); -exit: - of_node_put(child); - return rc; -} - -early_initcall(socfpga_init_sdmmc_ecc); - #endif /* CONFIG_EDAC_ALTERA_SDMMC */ /********************* Arria10 EDAC Device Functions *************************/ @@ -1762,28 +1783,24 @@ static ssize_t altr_edac_a10_device_trig2(struct file *file, if (trig_type == ALTR_UE_TRIGGER_CHAR) { writel(priv->ue_set_mask, set_addr); } else { - /* Setup write of 0 to first 4 bytes */ - writel(0x0, drvdata->base + ECC_BLK_WDATA0_OFST); - writel(0x0, drvdata->base + ECC_BLK_WDATA1_OFST); - writel(0x0, drvdata->base + ECC_BLK_WDATA2_OFST); - writel(0x0, drvdata->base + ECC_BLK_WDATA3_OFST); - /* Setup write of 4 bytes */ + /* Setup read/write of 4 bytes */ writel(ECC_WORD_WRITE, drvdata->base + ECC_BLK_DBYTECTRL_OFST); /* Setup Address to 0 */ - writel(0x0, drvdata->base + ECC_BLK_ADDRESS_OFST); - /* Setup accctrl to write & data override */ - writel(ECC_WRITE_DOVR, drvdata->base + ECC_BLK_ACCCTRL_OFST); - /* Kick it. */ - writel(ECC_XACT_KICK, drvdata->base + ECC_BLK_STARTACC_OFST); - /* Setup accctrl to read & ecc override */ - writel(ECC_READ_EOVR, drvdata->base + ECC_BLK_ACCCTRL_OFST); + writel(0, drvdata->base + ECC_BLK_ADDRESS_OFST); + /* Setup accctrl to read & ecc & data override */ + writel(ECC_READ_EDOVR, drvdata->base + ECC_BLK_ACCCTRL_OFST); /* Kick it. */ writel(ECC_XACT_KICK, drvdata->base + ECC_BLK_STARTACC_OFST); /* Setup write for single bit change */ - writel(0x1, drvdata->base + ECC_BLK_WDATA0_OFST); - writel(0x0, drvdata->base + ECC_BLK_WDATA1_OFST); - writel(0x0, drvdata->base + ECC_BLK_WDATA2_OFST); - writel(0x0, drvdata->base + ECC_BLK_WDATA3_OFST); + writel(readl(drvdata->base + ECC_BLK_RDATA0_OFST) ^ 0x1, + drvdata->base + ECC_BLK_WDATA0_OFST); + writel(readl(drvdata->base + ECC_BLK_RDATA1_OFST), + drvdata->base + ECC_BLK_WDATA1_OFST); + writel(readl(drvdata->base + ECC_BLK_RDATA2_OFST), + drvdata->base + ECC_BLK_WDATA2_OFST); + writel(readl(drvdata->base + ECC_BLK_RDATA3_OFST), + drvdata->base + ECC_BLK_WDATA3_OFST); + /* Copy Read ECC to Write ECC */ writel(readl(drvdata->base + ECC_BLK_RECC0_OFST), drvdata->base + ECC_BLK_WECC0_OFST); @@ -1930,6 +1947,15 @@ static int altr_edac_a10_device_add(struct altr_arria10_edac *edac, goto err_release_group1; } +#ifdef CONFIG_ARCH_STRATIX10 + /* Use IRQ to determine SError origin instead of assigning IRQ */ + rc = of_property_read_u32_index(np, "interrupts", 0, &altdev->db_irq); + if (rc) { + edac_printk(KERN_ERR, EDAC_DEVICE, + "Unable to parse DB IRQ index\n"); + goto err_release_group1; + } +#else altdev->db_irq = irq_of_parse_and_map(np, 1); if (!altdev->db_irq) { edac_printk(KERN_ERR, EDAC_DEVICE, "Error allocating DBIRQ\n"); @@ -1943,6 +1969,7 @@ static int altr_edac_a10_device_add(struct altr_arria10_edac *edac, edac_printk(KERN_ERR, EDAC_DEVICE, "No DBERR IRQ resource\n"); goto err_release_group1; } +#endif rc = edac_device_add_device(dci); if (rc) { @@ -2005,6 +2032,10 @@ static const struct irq_domain_ops a10_eccmgr_ic_ops = { /************** Stratix 10 EDAC Double Bit Error Handler ************/ #define to_a10edac(p, m) container_of(p, struct altr_arria10_edac, m) +#ifdef CONFIG_ARCH_STRATIX10 +/* panic routine issues reboot on non-zero panic_timeout */ +extern int panic_timeout; + /* * The double bit error is handled through SError which is fatal. This is * called as a panic notifier to printout ECC error info as part of the panic. @@ -2018,17 +2049,37 @@ static int s10_edac_dberr_handler(struct notifier_block *this, regmap_read(edac->ecc_mgr_map, S10_SYSMGR_ECC_INTSTAT_DERR_OFST, &dberror); regmap_write(edac->ecc_mgr_map, S10_SYSMGR_UE_VAL_OFST, dberror); - if (dberror & S10_DDR0_IRQ_MASK) { - regmap_read(edac->ecc_mgr_map, A10_DERRADDR_OFST, &err_addr); - regmap_write(edac->ecc_mgr_map, S10_SYSMGR_UE_ADDR_OFST, - err_addr); - edac_printk(KERN_ERR, EDAC_MC, - "EDAC: [Uncorrectable errors @ 0x%08X]\n\n", - err_addr); + if (dberror & S10_DBE_IRQ_MASK) { + struct list_head *position; + struct altr_edac_device_dev *ed; + struct arm_smccc_res result; + + /* Find the matching DBE in the list of devices */ + list_for_each(position, &edac->a10_ecc_devices) { + ed = list_entry(position, struct altr_edac_device_dev, + next); + if (!(BIT(ed->db_irq) & dberror)) + continue; + + writel(ALTR_A10_ECC_DERRPENA, + ed->base + ALTR_A10_ECC_INTSTAT_OFST); + err_addr = readl(ed->base + ALTR_S10_DERR_ADDRA_OFST); + regmap_write(edac->ecc_mgr_map, + S10_SYSMGR_UE_ADDR_OFST, err_addr); + edac_printk(KERN_ERR, EDAC_DEVICE, + "EDAC: [Fatal DBE on %s @ 0x%08X]\n", + ed->edac_dev_name, err_addr); + break; + } + /* Notify the System through SMC. Reboot delay = 1 second */ + panic_timeout = 1; + arm_smccc_smc(INTEL_SIP_SMC_ECC_DBE, dberror, 0, 0, 0, 0, + 0, 0, &result); } return NOTIFY_DONE; } +#endif /****************** Arria 10 EDAC Probe Function *********************/ static int altr_edac_a10_probe(struct platform_device *pdev) @@ -2098,16 +2149,8 @@ static int altr_edac_a10_probe(struct platform_device *pdev) altr_edac_a10_irq_handler, edac); - if (socfpga_is_a10()) { - edac->db_irq = platform_get_irq(pdev, 1); - if (edac->db_irq < 0) { - dev_err(&pdev->dev, "No DBERR IRQ resource\n"); - return edac->db_irq; - } - irq_set_chained_handler_and_data(edac->db_irq, - altr_edac_a10_irq_handler, - edac); - } else { +#ifdef CONFIG_ARCH_STRATIX10 + { int dberror, err_addr; edac->panic_notifier.notifier_call = s10_edac_dberr_handler; @@ -2130,6 +2173,15 @@ static int altr_edac_a10_probe(struct platform_device *pdev) S10_SYSMGR_UE_ADDR_OFST, 0); } } +#else + edac->db_irq = platform_get_irq(pdev, 1); + if (edac->db_irq < 0) { + dev_err(&pdev->dev, "No DBERR IRQ resource\n"); + return edac->db_irq; + } + irq_set_chained_handler_and_data(edac->db_irq, + altr_edac_a10_irq_handler, edac); +#endif for_each_child_of_node(pdev->dev.of_node, child) { if (!of_device_is_available(child)) diff --git a/drivers/edac/altera_edac.h b/drivers/edac/altera_edac.h index f8664bac9fa8..55654cc4bcdf 100644 --- a/drivers/edac/altera_edac.h +++ b/drivers/edac/altera_edac.h @@ -289,6 +289,7 @@ struct altr_sdram_mc_data { #define ALTR_A10_ECC_INIT_WATCHDOG_10US 10000 /************* Stratix10 Defines **************/ +#define ALTR_S10_DERR_ADDRA_OFST 0x2C /* Stratix10 ECC Manager Defines */ #define S10_SYSMGR_ECC_INTMASK_CLR_OFST 0x98 @@ -299,6 +300,7 @@ struct altr_sdram_mc_data { #define S10_SYSMGR_UE_ADDR_OFST 0x224 #define S10_DDR0_IRQ_MASK BIT(16) +#define S10_DBE_IRQ_MASK 0x3FE /* Define ECC Block Offsets for peripherals */ #define ECC_BLK_ADDRESS_OFST 0x40 @@ -319,7 +321,7 @@ struct altr_sdram_mc_data { #define ECC_BLK_STARTACC_OFST 0x7C #define ECC_XACT_KICK 0x10000 -#define ECC_WORD_WRITE 0xF +#define ECC_WORD_WRITE 0xFF #define ECC_WRITE_DOVR 0x101 #define ECC_WRITE_EDOVR 0x103 #define ECC_READ_EOVR 0x2 @@ -370,69 +372,4 @@ struct altr_arria10_edac { struct notifier_block panic_notifier; }; -/* - * Functions specified by ARM SMC Calling convention: - * - * FAST call executes atomic operations, returns when the requested operation - * has completed. - * STD call starts a operation which can be preempted by a non-secure - * interrupt. The call can return before the requested operation has - * completed. - * - * a0..a7 is used as register names in the descriptions below, on arm32 - * that translates to r0..r7 and on arm64 to w0..w7. - */ - -#define INTEL_SIP_SMC_STD_CALL_VAL(func_num) \ - ARM_SMCCC_CALL_VAL(ARM_SMCCC_STD_CALL, ARM_SMCCC_SMC_64, \ - ARM_SMCCC_OWNER_SIP, (func_num)) - -#define INTEL_SIP_SMC_FAST_CALL_VAL(func_num) \ - ARM_SMCCC_CALL_VAL(ARM_SMCCC_FAST_CALL, ARM_SMCCC_SMC_64, \ - ARM_SMCCC_OWNER_SIP, (func_num)) - -#define INTEL_SIP_SMC_RETURN_UNKNOWN_FUNCTION 0xFFFFFFFF -#define INTEL_SIP_SMC_STATUS_OK 0x0 -#define INTEL_SIP_SMC_REG_ERROR 0x5 - -/* - * Request INTEL_SIP_SMC_REG_READ - * - * Read a protected register using SMCCC - * - * Call register usage: - * a0: INTEL_SIP_SMC_REG_READ. - * a1: register address. - * a2-7: not used. - * - * Return status: - * a0: INTEL_SIP_SMC_STATUS_OK, INTEL_SIP_SMC_REG_ERROR, or - * INTEL_SIP_SMC_RETURN_UNKNOWN_FUNCTION - * a1: Value in the register - * a2-3: not used. - */ -#define INTEL_SIP_SMC_FUNCID_REG_READ 7 -#define INTEL_SIP_SMC_REG_READ \ - INTEL_SIP_SMC_FAST_CALL_VAL(INTEL_SIP_SMC_FUNCID_REG_READ) - -/* - * Request INTEL_SIP_SMC_REG_WRITE - * - * Write a protected register using SMCCC - * - * Call register usage: - * a0: INTEL_SIP_SMC_REG_WRITE. - * a1: register address - * a2: value to program into register. - * a3-7: not used. - * - * Return status: - * a0: INTEL_SIP_SMC_STATUS_OK, INTEL_SIP_SMC_REG_ERROR, or - * INTEL_SIP_SMC_RETURN_UNKNOWN_FUNCTION - * a1-3: not used. - */ -#define INTEL_SIP_SMC_FUNCID_REG_WRITE 8 -#define INTEL_SIP_SMC_REG_WRITE \ - INTEL_SIP_SMC_FAST_CALL_VAL(INTEL_SIP_SMC_FUNCID_REG_WRITE) - #endif /* #ifndef _ALTERA_EDAC_H */ diff --git a/drivers/edac/amd64_edac.c b/drivers/edac/amd64_edac.c index 6ea98575a402..e2a99466faaa 100644 --- a/drivers/edac/amd64_edac.c +++ b/drivers/edac/amd64_edac.c @@ -18,6 +18,9 @@ static struct msr __percpu *msrs; /* Per-node stuff */ static struct ecc_settings **ecc_stngs; +/* Number of Unified Memory Controllers */ +static u8 num_umcs; + /* * Valid scrub rates for the K8 hardware memory scrubber. We map the scrubbing * bandwidth to a valid bit pattern. The 'set' operation finds the 'matching- @@ -449,6 +452,9 @@ static void get_cs_base_and_mask(struct amd64_pvt *pvt, int csrow, u8 dct, #define for_each_chip_select_mask(i, dct, pvt) \ for (i = 0; i < pvt->csels[dct].m_cnt; i++) +#define for_each_umc(i) \ + for (i = 0; i < num_umcs; i++) + /* * @input_addr is an InputAddr associated with the node given by mci. Return the * csrow that input_addr maps to, or -1 on failure (no csrow claims input_addr). @@ -722,7 +728,7 @@ static unsigned long determine_edac_cap(struct amd64_pvt *pvt) if (pvt->umc) { u8 i, umc_en_mask = 0, dimm_ecc_en_mask = 0; - for (i = 0; i < NUM_UMCS; i++) { + for_each_umc(i) { if (!(pvt->umc[i].sdp_ctrl & UMC_SDP_INIT)) continue; @@ -781,6 +787,22 @@ static void debug_dump_dramcfg_low(struct amd64_pvt *pvt, u32 dclr, int chan) (dclr & BIT(15)) ? "yes" : "no"); } +/* + * The Address Mask should be a contiguous set of bits in the non-interleaved + * case. So to check for CS interleaving, find the most- and least-significant + * bits of the mask, generate a contiguous bitmask, and compare the two. + */ +static bool f17_cs_interleaved(struct amd64_pvt *pvt, u8 ctrl, int cs) +{ + u32 mask = pvt->csels[ctrl].csmasks[cs >> 1]; + u32 msb = fls(mask) - 1, lsb = ffs(mask) - 1; + u32 test_mask = GENMASK(msb, lsb); + + edac_dbg(1, "mask=0x%08x test_mask=0x%08x\n", mask, test_mask); + + return mask ^ test_mask; +} + static void debug_display_dimm_sizes_df(struct amd64_pvt *pvt, u8 ctrl) { int dimm, size0, size1, cs0, cs1; @@ -797,8 +819,19 @@ static void debug_display_dimm_sizes_df(struct amd64_pvt *pvt, u8 ctrl) size1 = 0; cs1 = dimm * 2 + 1; - if (csrow_enabled(cs1, ctrl, pvt)) - size1 = pvt->ops->dbam_to_cs(pvt, ctrl, 0, cs1); + if (csrow_enabled(cs1, ctrl, pvt)) { + /* + * CS interleaving is only supported if both CSes have + * the same amount of memory. Because they are + * interleaved, it will look like both CSes have the + * full amount of memory. Save the size for both as + * half the amount we found on CS0, if interleaved. + */ + if (f17_cs_interleaved(pvt, ctrl, cs1)) + size1 = size0 = (size0 >> 1); + else + size1 = pvt->ops->dbam_to_cs(pvt, ctrl, 0, cs1); + } amd64_info(EDAC_MC ": %d: %5dMB %d: %5dMB\n", cs0, size0, @@ -811,7 +844,7 @@ static void __dump_misc_regs_df(struct amd64_pvt *pvt) struct amd64_umc *umc; u32 i, tmp, umc_base; - for (i = 0; i < NUM_UMCS; i++) { + for_each_umc(i) { umc_base = get_umc_base(i); umc = &pvt->umc[i]; @@ -894,8 +927,7 @@ static void dump_misc_regs(struct amd64_pvt *pvt) edac_dbg(1, " DramHoleValid: %s\n", dhar_valid(pvt) ? "yes" : "no"); - amd64_info("using %s syndromes.\n", - ((pvt->ecc_sym_sz == 8) ? "x8" : "x4")); + amd64_info("using x%u syndromes.\n", pvt->ecc_sym_sz); } /* @@ -1388,7 +1420,7 @@ static int f17_early_channel_count(struct amd64_pvt *pvt) int i, channels = 0; /* SDP Control bit 31 (SdpInit) is clear for unused UMC channels */ - for (i = 0; i < NUM_UMCS; i++) + for_each_umc(i) channels += !!(pvt->umc[i].sdp_ctrl & UMC_SDP_INIT); amd64_info("MCT channel count: %d\n", channels); @@ -2211,6 +2243,15 @@ static struct amd64_family_type family_types[] = { .dbam_to_cs = f17_base_addr_to_cs_size, } }, + [F17_M30H_CPUS] = { + .ctl_name = "F17h_M30h", + .f0_id = PCI_DEVICE_ID_AMD_17H_M30H_DF_F0, + .f6_id = PCI_DEVICE_ID_AMD_17H_M30H_DF_F6, + .ops = { + .early_channel_count = f17_early_channel_count, + .dbam_to_cs = f17_base_addr_to_cs_size, + } + }, }; /* @@ -2464,18 +2505,14 @@ static inline void decode_bus_error(int node_id, struct mce *m) * To find the UMC channel represented by this bank we need to match on its * instance_id. The instance_id of a bank is held in the lower 32 bits of its * IPID. + * + * Currently, we can derive the channel number by looking at the 6th nibble in + * the instance_id. For example, instance_id=0xYXXXXX where Y is the channel + * number. */ -static int find_umc_channel(struct amd64_pvt *pvt, struct mce *m) +static int find_umc_channel(struct mce *m) { - u32 umc_instance_id[] = {0x50f00, 0x150f00}; - u32 instance_id = m->ipid & GENMASK(31, 0); - int i, channel = -1; - - for (i = 0; i < ARRAY_SIZE(umc_instance_id); i++) - if (umc_instance_id[i] == instance_id) - channel = i; - - return channel; + return (m->ipid & GENMASK(31, 0)) >> 20; } static void decode_umc_error(int node_id, struct mce *m) @@ -2497,11 +2534,7 @@ static void decode_umc_error(int node_id, struct mce *m) if (m->status & MCI_STATUS_DEFERRED) ecc_type = 3; - err.channel = find_umc_channel(pvt, m); - if (err.channel < 0) { - err.err_code = ERR_CHANNEL; - goto log_error; - } + err.channel = find_umc_channel(m); if (umc_normaddr_to_sysaddr(m->addr, pvt->mc_node_id, err.channel, &sys_addr)) { err.err_code = ERR_NORM_ADDR; @@ -2603,19 +2636,19 @@ static void determine_ecc_sym_sz(struct amd64_pvt *pvt) if (pvt->umc) { u8 i; - for (i = 0; i < NUM_UMCS; i++) { + for_each_umc(i) { /* Check enabled channels only: */ - if ((pvt->umc[i].sdp_ctrl & UMC_SDP_INIT) && - (pvt->umc[i].ecc_ctrl & BIT(7))) { - pvt->ecc_sym_sz = 8; - break; + if (pvt->umc[i].sdp_ctrl & UMC_SDP_INIT) { + if (pvt->umc[i].ecc_ctrl & BIT(9)) { + pvt->ecc_sym_sz = 16; + return; + } else if (pvt->umc[i].ecc_ctrl & BIT(7)) { + pvt->ecc_sym_sz = 8; + return; + } } } - - return; - } - - if (pvt->fam >= 0x10) { + } else if (pvt->fam >= 0x10) { u32 tmp; amd64_read_pci_cfg(pvt->F3, EXT_NB_MCA_CFG, &tmp); @@ -2639,7 +2672,7 @@ static void __read_mc_regs_df(struct amd64_pvt *pvt) u32 i, umc_base; /* Read registers from each UMC */ - for (i = 0; i < NUM_UMCS; i++) { + for_each_umc(i) { umc_base = get_umc_base(i); umc = &pvt->umc[i]; @@ -3052,7 +3085,7 @@ static bool ecc_enabled(struct pci_dev *F3, u16 nid) if (boot_cpu_data.x86 >= 0x17) { u8 umc_en_mask = 0, ecc_en_mask = 0; - for (i = 0; i < NUM_UMCS; i++) { + for_each_umc(i) { u32 base = get_umc_base(i); /* Only check enabled UMCs. */ @@ -3105,7 +3138,7 @@ f17h_determine_edac_ctl_cap(struct mem_ctl_info *mci, struct amd64_pvt *pvt) { u8 i, ecc_en = 1, cpk_en = 1; - for (i = 0; i < NUM_UMCS; i++) { + for_each_umc(i) { if (pvt->umc[i].sdp_ctrl & UMC_SDP_INIT) { ecc_en &= !!(pvt->umc[i].umc_cap_hi & UMC_ECC_ENABLED); cpk_en &= !!(pvt->umc[i].umc_cap_hi & UMC_ECC_CHIPKILL_CAP); @@ -3203,6 +3236,10 @@ static struct amd64_family_type *per_family_init(struct amd64_pvt *pvt) fam_type = &family_types[F17_M10H_CPUS]; pvt->ops = &family_types[F17_M10H_CPUS].ops; break; + } else if (pvt->model >= 0x30 && pvt->model <= 0x3f) { + fam_type = &family_types[F17_M30H_CPUS]; + pvt->ops = &family_types[F17_M30H_CPUS].ops; + break; } /* fall through */ case 0x18: @@ -3236,6 +3273,22 @@ static const struct attribute_group *amd64_edac_attr_groups[] = { NULL }; +/* Set the number of Unified Memory Controllers in the system. */ +static void compute_num_umcs(void) +{ + u8 model = boot_cpu_data.x86_model; + + if (boot_cpu_data.x86 < 0x17) + return; + + if (model >= 0x30 && model <= 0x3f) + num_umcs = 8; + else + num_umcs = 2; + + edac_dbg(1, "Number of UMCs: %x", num_umcs); +} + static int init_one_instance(unsigned int nid) { struct pci_dev *F3 = node_to_amd_nb(nid)->misc; @@ -3260,7 +3313,7 @@ static int init_one_instance(unsigned int nid) goto err_free; if (pvt->fam >= 0x17) { - pvt->umc = kcalloc(NUM_UMCS, sizeof(struct amd64_umc), GFP_KERNEL); + pvt->umc = kcalloc(num_umcs, sizeof(struct amd64_umc), GFP_KERNEL); if (!pvt->umc) { ret = -ENOMEM; goto err_free; @@ -3299,8 +3352,14 @@ static int init_one_instance(unsigned int nid) * Always allocate two channels since we can have setups with DIMMs on * only one channel. Also, this simplifies handling later for the price * of a couple of KBs tops. + * + * On Fam17h+, the number of controllers may be greater than two. So set + * the size equal to the maximum number of UMCs. */ - layers[1].size = 2; + if (pvt->fam >= 0x17) + layers[1].size = num_umcs; + else + layers[1].size = 2; layers[1].is_virt_csrow = false; mci = edac_mc_alloc(nid, ARRAY_SIZE(layers), layers, 0); @@ -3481,6 +3540,8 @@ static int __init amd64_edac_init(void) if (!msrs) goto err_free; + compute_num_umcs(); + for (i = 0; i < amd_nb_num(); i++) { err = probe_one_instance(i); if (err) { diff --git a/drivers/edac/amd64_edac.h b/drivers/edac/amd64_edac.h index 4242f8e39c18..8f66472f7adc 100644 --- a/drivers/edac/amd64_edac.h +++ b/drivers/edac/amd64_edac.h @@ -117,6 +117,8 @@ #define PCI_DEVICE_ID_AMD_17H_DF_F6 0x1466 #define PCI_DEVICE_ID_AMD_17H_M10H_DF_F0 0x15e8 #define PCI_DEVICE_ID_AMD_17H_M10H_DF_F6 0x15ee +#define PCI_DEVICE_ID_AMD_17H_M30H_DF_F0 0x1490 +#define PCI_DEVICE_ID_AMD_17H_M30H_DF_F6 0x1496 /* * Function 1 - Address Map @@ -272,8 +274,6 @@ #define UMC_SDP_INIT BIT(31) -#define NUM_UMCS 2 - enum amd_families { K8_CPUS = 0, F10_CPUS, @@ -284,6 +284,7 @@ enum amd_families { F16_M30H_CPUS, F17_CPUS, F17_M10H_CPUS, + F17_M30H_CPUS, NUM_FAMILIES, }; @@ -363,7 +364,7 @@ struct amd64_pvt { u32 dct_sel_hi; /* DRAM Controller Select High */ u32 online_spare; /* On-Line spare Reg */ - /* x4 or x8 syndromes in use */ + /* x4, x8, or x16 syndromes in use */ u8 ecc_sym_sz; /* place to store error injection parameters prior to issue */ @@ -396,8 +397,8 @@ struct err_info { static inline u32 get_umc_base(u8 channel) { - /* ch0: 0x50000, ch1: 0x150000 */ - return 0x50000 + (!!channel << 20); + /* chY: 0xY50000 */ + return 0x50000 + (channel << 20); } static inline u64 get_dram_base(struct amd64_pvt *pvt, u8 i) diff --git a/drivers/edac/i10nm_base.c b/drivers/edac/i10nm_base.c index c334fb7c63df..6f06aec4877c 100644 --- a/drivers/edac/i10nm_base.c +++ b/drivers/edac/i10nm_base.c @@ -181,6 +181,54 @@ static struct notifier_block i10nm_mce_dec = { .priority = MCE_PRIO_EDAC, }; +#ifdef CONFIG_EDAC_DEBUG +/* + * Debug feature. + * Exercise the address decode logic by writing an address to + * /sys/kernel/debug/edac/i10nm_test/addr. + */ +static struct dentry *i10nm_test; + +static int debugfs_u64_set(void *data, u64 val) +{ + struct mce m; + + pr_warn_once("Fake error to 0x%llx injected via debugfs\n", val); + + memset(&m, 0, sizeof(m)); + /* ADDRV + MemRd + Unknown channel */ + m.status = MCI_STATUS_ADDRV + 0x90; + /* One corrected error */ + m.status |= BIT_ULL(MCI_STATUS_CEC_SHIFT); + m.addr = val; + skx_mce_check_error(NULL, 0, &m); + + return 0; +} +DEFINE_SIMPLE_ATTRIBUTE(fops_u64_wo, NULL, debugfs_u64_set, "%llu\n"); + +static void setup_i10nm_debug(void) +{ + i10nm_test = edac_debugfs_create_dir("i10nm_test"); + if (!i10nm_test) + return; + + if (!edac_debugfs_create_file("addr", 0200, i10nm_test, + NULL, &fops_u64_wo)) { + debugfs_remove(i10nm_test); + i10nm_test = NULL; + } +} + +static void teardown_i10nm_debug(void) +{ + debugfs_remove_recursive(i10nm_test); +} +#else +static inline void setup_i10nm_debug(void) {} +static inline void teardown_i10nm_debug(void) {} +#endif /*CONFIG_EDAC_DEBUG*/ + static int __init i10nm_init(void) { u8 mc = 0, src_id = 0, node_id = 0; @@ -249,7 +297,7 @@ static int __init i10nm_init(void) opstate_init(); mce_register_decode_chain(&i10nm_mce_dec); - setup_skx_debug("i10nm_test"); + setup_i10nm_debug(); i10nm_printk(KERN_INFO, "%s\n", I10NM_REVISION); @@ -262,7 +310,7 @@ fail: static void __exit i10nm_exit(void) { edac_dbg(2, "\n"); - teardown_skx_debug(); + teardown_i10nm_debug(); mce_unregister_decode_chain(&i10nm_mce_dec); skx_adxl_put(); skx_remove(); diff --git a/drivers/edac/mce_amd.c b/drivers/edac/mce_amd.c index 0a1814dad6cf..bb0202ad7a13 100644 --- a/drivers/edac/mce_amd.c +++ b/drivers/edac/mce_amd.c @@ -1004,7 +1004,7 @@ static inline void amd_decode_err_code(u16 ec) /* * Filter out unwanted MCE signatures here. */ -static bool amd_filter_mce(struct mce *m) +static bool ignore_mce(struct mce *m) { /* * NB GART TLB error reporting is disabled by default. @@ -1038,7 +1038,7 @@ amd_decode_mce(struct notifier_block *nb, unsigned long val, void *data) unsigned int fam = x86_family(m->cpuid); int ecc; - if (amd_filter_mce(m)) + if (ignore_mce(m)) return NOTIFY_STOP; pr_emerg(HW_ERR "%s\n", decode_error_status(m)); diff --git a/drivers/edac/skx_base.c b/drivers/edac/skx_base.c index adae4c848ca1..a5c8fa3a249a 100644 --- a/drivers/edac/skx_base.c +++ b/drivers/edac/skx_base.c @@ -540,6 +540,54 @@ static struct notifier_block skx_mce_dec = { .priority = MCE_PRIO_EDAC, }; +#ifdef CONFIG_EDAC_DEBUG +/* + * Debug feature. + * Exercise the address decode logic by writing an address to + * /sys/kernel/debug/edac/skx_test/addr. + */ +static struct dentry *skx_test; + +static int debugfs_u64_set(void *data, u64 val) +{ + struct mce m; + + pr_warn_once("Fake error to 0x%llx injected via debugfs\n", val); + + memset(&m, 0, sizeof(m)); + /* ADDRV + MemRd + Unknown channel */ + m.status = MCI_STATUS_ADDRV + 0x90; + /* One corrected error */ + m.status |= BIT_ULL(MCI_STATUS_CEC_SHIFT); + m.addr = val; + skx_mce_check_error(NULL, 0, &m); + + return 0; +} +DEFINE_SIMPLE_ATTRIBUTE(fops_u64_wo, NULL, debugfs_u64_set, "%llu\n"); + +static void setup_skx_debug(void) +{ + skx_test = edac_debugfs_create_dir("skx_test"); + if (!skx_test) + return; + + if (!edac_debugfs_create_file("addr", 0200, skx_test, + NULL, &fops_u64_wo)) { + debugfs_remove(skx_test); + skx_test = NULL; + } +} + +static void teardown_skx_debug(void) +{ + debugfs_remove_recursive(skx_test); +} +#else +static inline void setup_skx_debug(void) {} +static inline void teardown_skx_debug(void) {} +#endif /*CONFIG_EDAC_DEBUG*/ + /* * skx_init: * make sure we are running on the correct cpu model @@ -619,7 +667,7 @@ static int __init skx_init(void) /* Ensure that the OPSTATE is set correctly for POLL or NMI */ opstate_init(); - setup_skx_debug("skx_test"); + setup_skx_debug(); mce_register_decode_chain(&skx_mce_dec); diff --git a/drivers/edac/skx_common.c b/drivers/edac/skx_common.c index 0e96e7b5b0a7..b0dddcfa9baa 100644 --- a/drivers/edac/skx_common.c +++ b/drivers/edac/skx_common.c @@ -1,7 +1,15 @@ // SPDX-License-Identifier: GPL-2.0 /* - * Common codes for both the skx_edac driver and Intel 10nm server EDAC driver. - * Originally split out from the skx_edac driver. + * + * Shared code by both skx_edac and i10nm_edac. Originally split out + * from the skx_edac driver. + * + * This file is linked into both skx_edac and i10nm_edac drivers. In + * order to avoid link errors, this file must be like a pure library + * without including symbols and defines which would otherwise conflict, + * when linked once into a module and into a built-in object, at the + * same time. For example, __this_module symbol references when that + * file is being linked into a built-in object. * * Copyright (c) 2018, Intel Corporation. */ @@ -644,48 +652,3 @@ void skx_remove(void) kfree(d); } } - -#ifdef CONFIG_EDAC_DEBUG -/* - * Debug feature. - * Exercise the address decode logic by writing an address to - * /sys/kernel/debug/edac/dirname/addr. - */ -static struct dentry *skx_test; - -static int debugfs_u64_set(void *data, u64 val) -{ - struct mce m; - - pr_warn_once("Fake error to 0x%llx injected via debugfs\n", val); - - memset(&m, 0, sizeof(m)); - /* ADDRV + MemRd + Unknown channel */ - m.status = MCI_STATUS_ADDRV + 0x90; - /* One corrected error */ - m.status |= BIT_ULL(MCI_STATUS_CEC_SHIFT); - m.addr = val; - skx_mce_check_error(NULL, 0, &m); - - return 0; -} -DEFINE_SIMPLE_ATTRIBUTE(fops_u64_wo, NULL, debugfs_u64_set, "%llu\n"); - -void setup_skx_debug(const char *dirname) -{ - skx_test = edac_debugfs_create_dir(dirname); - if (!skx_test) - return; - - if (!edac_debugfs_create_file("addr", 0200, skx_test, - NULL, &fops_u64_wo)) { - debugfs_remove(skx_test); - skx_test = NULL; - } -} - -void teardown_skx_debug(void) -{ - debugfs_remove_recursive(skx_test); -} -#endif /*CONFIG_EDAC_DEBUG*/ diff --git a/drivers/edac/skx_common.h b/drivers/edac/skx_common.h index d25374e34d4f..d18fa98669af 100644 --- a/drivers/edac/skx_common.h +++ b/drivers/edac/skx_common.h @@ -141,12 +141,4 @@ int skx_mce_check_error(struct notifier_block *nb, unsigned long val, void skx_remove(void); -#ifdef CONFIG_EDAC_DEBUG -void setup_skx_debug(const char *dirname); -void teardown_skx_debug(void); -#else -static inline void setup_skx_debug(const char *dirname) {} -static inline void teardown_skx_debug(void) {} -#endif /*CONFIG_EDAC_DEBUG*/ - #endif /* _SKX_COMM_EDAC_H */ diff --git a/drivers/extcon/Kconfig b/drivers/extcon/Kconfig index 8e17149655f0..540e8cd16ee6 100644 --- a/drivers/extcon/Kconfig +++ b/drivers/extcon/Kconfig @@ -116,7 +116,7 @@ config EXTCON_PALMAS config EXTCON_PTN5150 tristate "NXP PTN5150 CC LOGIC USB EXTCON support" - depends on I2C && GPIOLIB || COMPILE_TEST + depends on I2C && (GPIOLIB || COMPILE_TEST) select REGMAP_I2C help Say Y here to enable support for USB peripheral and USB host diff --git a/drivers/extcon/extcon-axp288.c b/drivers/extcon/extcon-axp288.c index a983708b77a6..50f9402fb325 100644 --- a/drivers/extcon/extcon-axp288.c +++ b/drivers/extcon/extcon-axp288.c @@ -333,7 +333,7 @@ static int axp288_extcon_probe(struct platform_device *pdev) struct axp288_extcon_info *info; struct axp20x_dev *axp20x = dev_get_drvdata(pdev->dev.parent); struct device *dev = &pdev->dev; - const char *name; + struct acpi_device *adev; int ret, i, pirq; info = devm_kzalloc(&pdev->dev, sizeof(*info), GFP_KERNEL); @@ -357,9 +357,10 @@ static int axp288_extcon_probe(struct platform_device *pdev) if (ret) return ret; - name = acpi_dev_get_first_match_name("INT3496", NULL, -1); - if (name) { - info->id_extcon = extcon_get_extcon_dev(name); + adev = acpi_dev_get_first_match_dev("INT3496", NULL, -1); + if (adev) { + info->id_extcon = extcon_get_extcon_dev(acpi_dev_name(adev)); + put_device(&adev->dev); if (!info->id_extcon) return -EPROBE_DEFER; diff --git a/drivers/firewire/ohci.c b/drivers/firewire/ohci.c index 45c048751f3b..7183ab34269e 100644 --- a/drivers/firewire/ohci.c +++ b/drivers/firewire/ohci.c @@ -2939,7 +2939,6 @@ static void set_multichannel_mask(struct fw_ohci *ohci, u64 channels) reg_write(ohci, OHCI1394_IRMultiChanMaskLoClear, ~lo); reg_write(ohci, OHCI1394_IRMultiChanMaskHiSet, hi); reg_write(ohci, OHCI1394_IRMultiChanMaskLoSet, lo); - mmiowb(); ohci->mc_channels = channels; } diff --git a/drivers/firmware/Kconfig b/drivers/firmware/Kconfig index cac16c4b0df3..7b655f6156fb 100644 --- a/drivers/firmware/Kconfig +++ b/drivers/firmware/Kconfig @@ -5,20 +5,6 @@ menu "Firmware Drivers" -config ARM_PSCI_FW - bool - -config ARM_PSCI_CHECKER - bool "ARM PSCI checker" - depends on ARM_PSCI_FW && HOTPLUG_CPU && CPU_IDLE && !TORTURE_TEST - help - Run the PSCI checker during startup. This checks that hotplug and - suspend operations work correctly when using PSCI. - - The torture tests may interfere with the PSCI checker by turning CPUs - on and off through hotplug, so for now torture tests and PSCI checker - are mutually exclusive. - config ARM_SCMI_PROTOCOL bool "ARM System Control and Management Interface (SCMI) Message Protocol" depends on ARM || ARM64 || COMPILE_TEST @@ -270,6 +256,7 @@ config TI_SCI_PROTOCOL config HAVE_ARM_SMCCC bool +source "drivers/firmware/psci/Kconfig" source "drivers/firmware/broadcom/Kconfig" source "drivers/firmware/google/Kconfig" source "drivers/firmware/efi/Kconfig" diff --git a/drivers/firmware/Makefile b/drivers/firmware/Makefile index 80feb635120f..9a3909a22682 100644 --- a/drivers/firmware/Makefile +++ b/drivers/firmware/Makefile @@ -2,8 +2,6 @@ # # Makefile for the linux kernel. # -obj-$(CONFIG_ARM_PSCI_FW) += psci.o -obj-$(CONFIG_ARM_PSCI_CHECKER) += psci_checker.o obj-$(CONFIG_ARM_SCPI_PROTOCOL) += arm_scpi.o obj-$(CONFIG_ARM_SCPI_POWER_DOMAIN) += scpi_pm_domain.o obj-$(CONFIG_ARM_SDE_INTERFACE) += arm_sdei.o @@ -25,6 +23,7 @@ CFLAGS_qcom_scm-32.o :=$(call as-instr,.arch armv7-a\n.arch_extension sec,-DREQU obj-$(CONFIG_TI_SCI_PROTOCOL) += ti_sci.o obj-$(CONFIG_ARM_SCMI_PROTOCOL) += arm_scmi/ +obj-y += psci/ obj-y += broadcom/ obj-y += meson/ obj-$(CONFIG_GOOGLE_FIRMWARE) += google/ diff --git a/drivers/firmware/arm_sdei.c b/drivers/firmware/arm_sdei.c index e6376f985ef7..9cd70d1a5622 100644 --- a/drivers/firmware/arm_sdei.c +++ b/drivers/firmware/arm_sdei.c @@ -165,6 +165,7 @@ static int invoke_sdei_fn(unsigned long function_id, unsigned long arg0, return err; } +NOKPROBE_SYMBOL(invoke_sdei_fn); static struct sdei_event *sdei_event_find(u32 event_num) { @@ -879,6 +880,7 @@ static void sdei_smccc_smc(unsigned long function_id, { arm_smccc_smc(function_id, arg0, arg1, arg2, arg3, arg4, 0, 0, res); } +NOKPROBE_SYMBOL(sdei_smccc_smc); static void sdei_smccc_hvc(unsigned long function_id, unsigned long arg0, unsigned long arg1, @@ -887,6 +889,7 @@ static void sdei_smccc_hvc(unsigned long function_id, { arm_smccc_hvc(function_id, arg0, arg1, arg2, arg3, arg4, 0, 0, res); } +NOKPROBE_SYMBOL(sdei_smccc_hvc); int sdei_register_ghes(struct ghes *ghes, sdei_event_callback *normal_cb, sdei_event_callback *critical_cb) diff --git a/drivers/firmware/dmi_scan.c b/drivers/firmware/dmi_scan.c index 099d83e4e910..fae2d5c43314 100644 --- a/drivers/firmware/dmi_scan.c +++ b/drivers/firmware/dmi_scan.c @@ -416,11 +416,8 @@ static void __init save_mem_devices(const struct dmi_header *dm, void *v) nr++; } -void __init dmi_memdev_walk(void) +static void __init dmi_memdev_walk(void) { - if (!dmi_available) - return; - if (dmi_walk_early(count_mem_devices) == 0 && dmi_memdev_nr) { dmi_memdev = dmi_alloc(sizeof(*dmi_memdev) * dmi_memdev_nr); if (dmi_memdev) @@ -614,7 +611,7 @@ static int __init dmi_smbios3_present(const u8 *buf) return 1; } -void __init dmi_scan_machine(void) +static void __init dmi_scan_machine(void) { char __iomem *p, *q; char buf[32]; @@ -769,15 +766,20 @@ static int __init dmi_init(void) subsys_initcall(dmi_init); /** - * dmi_set_dump_stack_arch_desc - set arch description for dump_stack() + * dmi_setup - scan and setup DMI system information * - * Invoke dump_stack_set_arch_desc() with DMI system information so that - * DMI identifiers are printed out on task dumps. Arch boot code should - * call this function after dmi_scan_machine() if it wants to print out DMI - * identifiers on task dumps. + * Scan the DMI system information. This setups DMI identifiers + * (dmi_system_id) for printing it out on task dumps and prepares + * DIMM entry information (dmi_memdev_info) from the SMBIOS table + * for using this when reporting memory errors. */ -void __init dmi_set_dump_stack_arch_desc(void) +void __init dmi_setup(void) { + dmi_scan_machine(); + if (!dmi_available) + return; + + dmi_memdev_walk(); dump_stack_set_arch_desc("%s", dmi_ids_string); } @@ -841,7 +843,7 @@ static bool dmi_is_end_of_table(const struct dmi_system_id *dmi) * returns non zero or we hit the end. Callback function is called for * each successful match. Returns the number of matches. * - * dmi_scan_machine must be called before this function is called. + * dmi_setup must be called before this function is called. */ int dmi_check_system(const struct dmi_system_id *list) { @@ -871,7 +873,7 @@ EXPORT_SYMBOL(dmi_check_system); * Walk the blacklist table until the first match is found. Return the * pointer to the matching entry or NULL if there's no match. * - * dmi_scan_machine must be called before this function is called. + * dmi_setup must be called before this function is called. */ const struct dmi_system_id *dmi_first_match(const struct dmi_system_id *list) { diff --git a/drivers/firmware/efi/arm-runtime.c b/drivers/firmware/efi/arm-runtime.c index 0c1af675c338..e2ac5fa5531b 100644 --- a/drivers/firmware/efi/arm-runtime.c +++ b/drivers/firmware/efi/arm-runtime.c @@ -162,13 +162,11 @@ void efi_virtmap_unload(void) static int __init arm_dmi_init(void) { /* - * On arm64/ARM, DMI depends on UEFI, and dmi_scan_machine() needs to + * On arm64/ARM, DMI depends on UEFI, and dmi_setup() needs to * be called early because dmi_id_init(), which is an arch_initcall * itself, depends on dmi_scan_machine() having been called already. */ - dmi_scan_machine(); - if (dmi_available) - dmi_set_dump_stack_arch_desc(); + dmi_setup(); return 0; } core_initcall(arm_dmi_init); diff --git a/drivers/firmware/efi/libstub/Makefile b/drivers/firmware/efi/libstub/Makefile index b0103e16fc1b..0460c7581220 100644 --- a/drivers/firmware/efi/libstub/Makefile +++ b/drivers/firmware/efi/libstub/Makefile @@ -16,9 +16,9 @@ cflags-$(CONFIG_X86) += -m$(BITS) -D__KERNEL__ -O2 \ # arm64 uses the full KBUILD_CFLAGS so it's necessary to explicitly # disable the stackleak plugin -cflags-$(CONFIG_ARM64) := $(subst -pg,,$(KBUILD_CFLAGS)) -fpie \ - $(DISABLE_STACKLEAK_PLUGIN) -cflags-$(CONFIG_ARM) := $(subst -pg,,$(KBUILD_CFLAGS)) \ +cflags-$(CONFIG_ARM64) := $(subst $(CC_FLAGS_FTRACE),,$(KBUILD_CFLAGS)) \ + -fpie $(DISABLE_STACKLEAK_PLUGIN) +cflags-$(CONFIG_ARM) := $(subst $(CC_FLAGS_FTRACE),,$(KBUILD_CFLAGS)) \ -fno-builtin -fpic \ $(call cc-option,-mno-single-pic-base) @@ -71,7 +71,6 @@ CFLAGS_arm64-stub.o := -DTEXT_OFFSET=$(TEXT_OFFSET) extra-$(CONFIG_EFI_ARMSTUB) := $(lib-y) lib-$(CONFIG_EFI_ARMSTUB) := $(patsubst %.o,%.stub.o,$(lib-y)) -STUBCOPY_RM-y := -R *ksymtab* -R *kcrctab* STUBCOPY_FLAGS-$(CONFIG_ARM64) += --prefix-alloc-sections=.init \ --prefix-symbols=__efistub_ STUBCOPY_RELOC-$(CONFIG_ARM64) := R_AARCH64_ABS @@ -86,12 +85,13 @@ $(obj)/%.stub.o: $(obj)/%.o FORCE # this time, use objcopy and leave all sections in place. # quiet_cmd_stubcopy = STUBCPY $@ - cmd_stubcopy = if $(STRIP) --strip-debug $(STUBCOPY_RM-y) -o $@ $<; \ - then if $(OBJDUMP) -r $@ | grep $(STUBCOPY_RELOC-y); \ - then (echo >&2 "$@: absolute symbol references not allowed in the EFI stub"; \ - rm -f $@; /bin/false); \ - else $(OBJCOPY) $(STUBCOPY_FLAGS-y) $< $@; fi \ - else /bin/false; fi + cmd_stubcopy = \ + $(STRIP) --strip-debug -o $@ $<; \ + if $(OBJDUMP) -r $@ | grep $(STUBCOPY_RELOC-y); then \ + echo "$@: absolute symbol references not allowed in the EFI stub" >&2; \ + /bin/false; \ + fi; \ + $(OBJCOPY) $(STUBCOPY_FLAGS-y) $< $@ # # ARM discards the .data section because it disallows r/w data in the diff --git a/drivers/firmware/iscsi_ibft.c b/drivers/firmware/iscsi_ibft.c index c51462f5aa1e..a5dc0629f225 100644 --- a/drivers/firmware/iscsi_ibft.c +++ b/drivers/firmware/iscsi_ibft.c @@ -425,7 +425,7 @@ static ssize_t ibft_attr_show_acpitbl(void *data, int type, char *buf) switch (type) { case ISCSI_BOOT_ACPITBL_SIGNATURE: - str += sprintf_string(str, ACPI_NAME_SIZE, + str += sprintf_string(str, ACPI_NAMESEG_SIZE, entry->header->header.signature); break; case ISCSI_BOOT_ACPITBL_OEM_ID: diff --git a/drivers/firmware/psci/Kconfig b/drivers/firmware/psci/Kconfig new file mode 100644 index 000000000000..26a3b32bf7ab --- /dev/null +++ b/drivers/firmware/psci/Kconfig @@ -0,0 +1,13 @@ +config ARM_PSCI_FW + bool + +config ARM_PSCI_CHECKER + bool "ARM PSCI checker" + depends on ARM_PSCI_FW && HOTPLUG_CPU && CPU_IDLE && !TORTURE_TEST + help + Run the PSCI checker during startup. This checks that hotplug and + suspend operations work correctly when using PSCI. + + The torture tests may interfere with the PSCI checker by turning CPUs + on and off through hotplug, so for now torture tests and PSCI checker + are mutually exclusive. diff --git a/drivers/firmware/psci/Makefile b/drivers/firmware/psci/Makefile new file mode 100644 index 000000000000..1956b882470f --- /dev/null +++ b/drivers/firmware/psci/Makefile @@ -0,0 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 +# +obj-$(CONFIG_ARM_PSCI_FW) += psci.o +obj-$(CONFIG_ARM_PSCI_CHECKER) += psci_checker.o diff --git a/drivers/firmware/psci.c b/drivers/firmware/psci/psci.c index c80ec1d03274..fe090ef43d28 100644 --- a/drivers/firmware/psci.c +++ b/drivers/firmware/psci/psci.c @@ -88,6 +88,7 @@ static u32 psci_function_id[PSCI_FN_MAX]; PSCI_1_0_EXT_POWER_STATE_TYPE_MASK) static u32 psci_cpu_suspend_feature; +static bool psci_system_reset2_supported; static inline bool psci_has_ext_power_state(void) { @@ -95,6 +96,11 @@ static inline bool psci_has_ext_power_state(void) PSCI_1_0_FEATURES_CPU_SUSPEND_PF_MASK; } +static inline bool psci_has_osi_support(void) +{ + return psci_cpu_suspend_feature & PSCI_1_0_OS_INITIATED; +} + static inline bool psci_power_state_loses_context(u32 state) { const u32 mask = psci_has_ext_power_state() ? @@ -253,7 +259,17 @@ static int get_set_conduit_method(struct device_node *np) static void psci_sys_reset(enum reboot_mode reboot_mode, const char *cmd) { - invoke_psci_fn(PSCI_0_2_FN_SYSTEM_RESET, 0, 0, 0); + if ((reboot_mode == REBOOT_WARM || reboot_mode == REBOOT_SOFT) && + psci_system_reset2_supported) { + /* + * reset_type[31] = 0 (architectural) + * reset_type[30:0] = 0 (SYSTEM_WARM_RESET) + * cookie = 0 (ignored by the implementation) + */ + invoke_psci_fn(PSCI_FN_NATIVE(1_1, SYSTEM_RESET2), 0, 0, 0); + } else { + invoke_psci_fn(PSCI_0_2_FN_SYSTEM_RESET, 0, 0, 0); + } } static void psci_sys_poweroff(void) @@ -270,9 +286,26 @@ static int __init psci_features(u32 psci_func_id) #ifdef CONFIG_CPU_IDLE static DEFINE_PER_CPU_READ_MOSTLY(u32 *, psci_power_state); +static int psci_dt_parse_state_node(struct device_node *np, u32 *state) +{ + int err = of_property_read_u32(np, "arm,psci-suspend-param", state); + + if (err) { + pr_warn("%pOF missing arm,psci-suspend-param property\n", np); + return err; + } + + if (!psci_power_state_is_valid(*state)) { + pr_warn("Invalid PSCI power state %#x\n", *state); + return -EINVAL; + } + + return 0; +} + static int psci_dt_cpu_init_idle(struct device_node *cpu_node, int cpu) { - int i, ret, count = 0; + int i, ret = 0, count = 0; u32 *psci_states; struct device_node *state_node; @@ -291,29 +324,16 @@ static int psci_dt_cpu_init_idle(struct device_node *cpu_node, int cpu) return -ENOMEM; for (i = 0; i < count; i++) { - u32 state; - state_node = of_parse_phandle(cpu_node, "cpu-idle-states", i); + ret = psci_dt_parse_state_node(state_node, &psci_states[i]); + of_node_put(state_node); - ret = of_property_read_u32(state_node, - "arm,psci-suspend-param", - &state); - if (ret) { - pr_warn(" * %pOF missing arm,psci-suspend-param property\n", - state_node); - of_node_put(state_node); + if (ret) goto free_mem; - } - of_node_put(state_node); - pr_debug("psci-power-state %#x index %d\n", state, i); - if (!psci_power_state_is_valid(state)) { - pr_warn("Invalid PSCI power state %#x\n", state); - ret = -EINVAL; - goto free_mem; - } - psci_states[i] = state; + pr_debug("psci-power-state %#x index %d\n", psci_states[i], i); } + /* Idle states parsed correctly, initialize per-cpu pointer */ per_cpu(psci_power_state, cpu) = psci_states; return 0; @@ -451,6 +471,16 @@ static const struct platform_suspend_ops psci_suspend_ops = { .enter = psci_system_suspend_enter, }; +static void __init psci_init_system_reset2(void) +{ + int ret; + + ret = psci_features(PSCI_FN_NATIVE(1_1, SYSTEM_RESET2)); + + if (ret != PSCI_RET_NOT_SUPPORTED) + psci_system_reset2_supported = true; +} + static void __init psci_init_system_suspend(void) { int ret; @@ -588,6 +618,7 @@ static int __init psci_probe(void) psci_init_smccc(); psci_init_cpu_suspend(); psci_init_system_suspend(); + psci_init_system_reset2(); } return 0; @@ -605,9 +636,9 @@ static int __init psci_0_2_init(struct device_node *np) int err; err = get_set_conduit_method(np); - if (err) - goto out_put_node; + return err; + /* * Starting with v0.2, the PSCI specification introduced a call * (PSCI_VERSION) that allows probing the firmware version, so @@ -615,11 +646,7 @@ static int __init psci_0_2_init(struct device_node *np) * can be carried out according to the specific version reported * by firmware */ - err = psci_probe(); - -out_put_node: - of_node_put(np); - return err; + return psci_probe(); } /* @@ -631,9 +658,8 @@ static int __init psci_0_1_init(struct device_node *np) int err; err = get_set_conduit_method(np); - if (err) - goto out_put_node; + return err; pr_info("Using PSCI v0.1 Function IDs from DT\n"); @@ -657,15 +683,27 @@ static int __init psci_0_1_init(struct device_node *np) psci_ops.migrate = psci_migrate; } -out_put_node: - of_node_put(np); - return err; + return 0; +} + +static int __init psci_1_0_init(struct device_node *np) +{ + int err; + + err = psci_0_2_init(np); + if (err) + return err; + + if (psci_has_osi_support()) + pr_info("OSI mode supported.\n"); + + return 0; } static const struct of_device_id psci_of_match[] __initconst = { { .compatible = "arm,psci", .data = psci_0_1_init}, { .compatible = "arm,psci-0.2", .data = psci_0_2_init}, - { .compatible = "arm,psci-1.0", .data = psci_0_2_init}, + { .compatible = "arm,psci-1.0", .data = psci_1_0_init}, {}, }; @@ -674,6 +712,7 @@ int __init psci_dt_init(void) struct device_node *np; const struct of_device_id *matched_np; psci_initcall_t init_fn; + int ret; np = of_find_matching_node_and_match(NULL, psci_of_match, &matched_np); @@ -681,7 +720,10 @@ int __init psci_dt_init(void) return -ENODEV; init_fn = (psci_initcall_t)matched_np->data; - return init_fn(np); + ret = init_fn(np); + + of_node_put(np); + return ret; } #ifdef CONFIG_ACPI diff --git a/drivers/firmware/psci_checker.c b/drivers/firmware/psci/psci_checker.c index 346943657962..346943657962 100644 --- a/drivers/firmware/psci_checker.c +++ b/drivers/firmware/psci/psci_checker.c diff --git a/drivers/gpio/gpio-eic-sprd.c b/drivers/gpio/gpio-eic-sprd.c index f0223cee9774..77092268ee95 100644 --- a/drivers/gpio/gpio-eic-sprd.c +++ b/drivers/gpio/gpio-eic-sprd.c @@ -414,6 +414,7 @@ static int sprd_eic_irq_set_type(struct irq_data *data, unsigned int flow_type) irq_set_handler_locked(data, handle_edge_irq); break; case IRQ_TYPE_EDGE_BOTH: + sprd_eic_update(chip, offset, SPRD_EIC_SYNC_INTMODE, 0); sprd_eic_update(chip, offset, SPRD_EIC_SYNC_INTBOTH, 1); irq_set_handler_locked(data, handle_edge_irq); break; diff --git a/drivers/gpio/gpio-merrifield.c b/drivers/gpio/gpio-merrifield.c index 7c659fdaa6d5..3302125e5265 100644 --- a/drivers/gpio/gpio-merrifield.c +++ b/drivers/gpio/gpio-merrifield.c @@ -377,10 +377,20 @@ static void mrfld_irq_init_hw(struct mrfld_gpio *priv) } } -static const char *mrfld_gpio_get_pinctrl_dev_name(void) +static const char *mrfld_gpio_get_pinctrl_dev_name(struct mrfld_gpio *priv) { - const char *dev_name = acpi_dev_get_first_match_name("INTC1002", NULL, -1); - return dev_name ? dev_name : "pinctrl-merrifield"; + struct acpi_device *adev; + const char *name; + + adev = acpi_dev_get_first_match_dev("INTC1002", NULL, -1); + if (adev) { + name = devm_kstrdup(priv->dev, acpi_dev_name(adev), GFP_KERNEL); + acpi_dev_put(adev); + } else { + name = "pinctrl-merrifield"; + } + + return name; } static int mrfld_gpio_probe(struct pci_dev *pdev, const struct pci_device_id *id) @@ -441,7 +451,7 @@ static int mrfld_gpio_probe(struct pci_dev *pdev, const struct pci_device_id *id return retval; } - pinctrl_dev_name = mrfld_gpio_get_pinctrl_dev_name(); + pinctrl_dev_name = mrfld_gpio_get_pinctrl_dev_name(priv); for (i = 0; i < ARRAY_SIZE(mrfld_gpio_ranges); i++) { range = &mrfld_gpio_ranges[i]; retval = gpiochip_add_pin_range(&priv->chip, diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c index 0495bf1d480a..bca3e7740ef6 100644 --- a/drivers/gpio/gpiolib.c +++ b/drivers/gpio/gpiolib.c @@ -1379,7 +1379,7 @@ int gpiochip_add_data_with_key(struct gpio_chip *chip, void *data, status = gpiochip_add_irqchip(chip, lock_key, request_key); if (status) - goto err_remove_chip; + goto err_free_gpiochip_mask; status = of_gpiochip_add(chip); if (status) @@ -1387,7 +1387,7 @@ int gpiochip_add_data_with_key(struct gpio_chip *chip, void *data, status = gpiochip_init_valid_mask(chip); if (status) - goto err_remove_chip; + goto err_remove_of_chip; for (i = 0; i < chip->ngpio; i++) { struct gpio_desc *desc = &gdev->descs[i]; @@ -1415,14 +1415,18 @@ int gpiochip_add_data_with_key(struct gpio_chip *chip, void *data, if (gpiolib_initialized) { status = gpiochip_setup_dev(gdev); if (status) - goto err_remove_chip; + goto err_remove_acpi_chip; } return 0; -err_remove_chip: +err_remove_acpi_chip: acpi_gpiochip_remove(chip); +err_remove_of_chip: gpiochip_free_hogs(chip); of_gpiochip_remove(chip); +err_remove_chip: + gpiochip_irqchip_remove(chip); +err_free_gpiochip_mask: gpiochip_free_valid_mask(chip); err_remove_irqchip_mask: gpiochip_irqchip_free_valid_mask(chip); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index 4f8fb4ecde34..79fb302fb954 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -3165,6 +3165,7 @@ static int amdgpu_device_recover_vram(struct amdgpu_device *adev) /* No need to recover an evicted BO */ if (shadow->tbo.mem.mem_type != TTM_PL_TT || + shadow->tbo.mem.start == AMDGPU_BO_INVALID_OFFSET || shadow->parent->tbo.mem.mem_type != TTM_PL_VRAM) continue; @@ -3173,11 +3174,16 @@ static int amdgpu_device_recover_vram(struct amdgpu_device *adev) break; if (fence) { - r = dma_fence_wait_timeout(fence, false, tmo); + tmo = dma_fence_wait_timeout(fence, false, tmo); dma_fence_put(fence); fence = next; - if (r <= 0) + if (tmo == 0) { + r = -ETIMEDOUT; break; + } else if (tmo < 0) { + r = tmo; + break; + } } else { fence = next; } @@ -3188,8 +3194,8 @@ static int amdgpu_device_recover_vram(struct amdgpu_device *adev) tmo = dma_fence_wait_timeout(fence, false, tmo); dma_fence_put(fence); - if (r <= 0 || tmo <= 0) { - DRM_ERROR("recover vram bo from shadow failed\n"); + if (r < 0 || tmo <= 0) { + DRM_ERROR("recover vram bo from shadow failed, r is %ld, tmo is %ld\n", r, tmo); return -EIO; } @@ -3625,6 +3631,7 @@ static void amdgpu_device_get_min_pci_speed_width(struct amdgpu_device *adev, struct pci_dev *pdev = adev->pdev; enum pci_bus_speed cur_speed; enum pcie_link_width cur_width; + u32 ret = 1; *speed = PCI_SPEED_UNKNOWN; *width = PCIE_LNK_WIDTH_UNKNOWN; @@ -3632,6 +3639,10 @@ static void amdgpu_device_get_min_pci_speed_width(struct amdgpu_device *adev, while (pdev) { cur_speed = pcie_get_speed_cap(pdev); cur_width = pcie_get_width_cap(pdev); + ret = pcie_bandwidth_available(adev->pdev, NULL, + NULL, &cur_width); + if (!ret) + cur_width = PCIE_LNK_WIDTH_RESRV; if (cur_speed != PCI_SPEED_UNKNOWN) { if (*speed == PCI_SPEED_UNKNOWN) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c index 0b8ef2d27d6b..fe393a46f881 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c @@ -35,6 +35,7 @@ #include "amdgpu_trace.h" #define AMDGPU_IB_TEST_TIMEOUT msecs_to_jiffies(1000) +#define AMDGPU_IB_TEST_GFX_XGMI_TIMEOUT msecs_to_jiffies(2000) /* * IB @@ -344,6 +345,8 @@ int amdgpu_ib_ring_tests(struct amdgpu_device *adev) * cost waiting for it coming back under RUNTIME only */ tmo_gfx = 8 * AMDGPU_IB_TEST_TIMEOUT; + } else if (adev->gmc.xgmi.hive_id) { + tmo_gfx = AMDGPU_IB_TEST_GFX_XGMI_TIMEOUT; } for (i = 0; i < adev->num_rings; ++i) { diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c index d0309e8c9d12..a11db2b1a63f 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c @@ -2405,8 +2405,6 @@ static int gfx_v9_0_rlc_resume(struct amdgpu_device *adev) /* disable CG */ WREG32_SOC15(GC, 0, mmRLC_CGCG_CGLS_CTRL, 0); - adev->gfx.rlc.funcs->reset(adev); - gfx_v9_0_init_pg(adev); if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP) { diff --git a/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c b/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c index d0d966d6080a..1696644ec022 100644 --- a/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c +++ b/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c @@ -182,6 +182,7 @@ static void mmhub_v1_0_init_cache_regs(struct amdgpu_device *adev) tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, L2_CACHE_BIGK_FRAGMENT_SIZE, 6); } + WREG32_SOC15(MMHUB, 0, mmVM_L2_CNTL3, tmp); tmp = mmVM_L2_CNTL4_DEFAULT; tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_PDE_REQUEST_PHYSICAL, 0); diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device.c b/drivers/gpu/drm/amd/amdkfd/kfd_device.c index 8be9677c0c07..cf9a49f49d3a 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_device.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_device.c @@ -320,6 +320,7 @@ static const struct kfd_deviceid supported_devices[] = { { 0x9876, &carrizo_device_info }, /* Carrizo */ { 0x9877, &carrizo_device_info }, /* Carrizo */ { 0x15DD, &raven_device_info }, /* Raven */ + { 0x15D8, &raven_device_info }, /* Raven */ #endif { 0x67A0, &hawaii_device_info }, /* Hawaii */ { 0x67A1, &hawaii_device_info }, /* Hawaii */ diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c index 81127f7d6ed1..3082b55b1e77 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -4533,6 +4533,7 @@ static void handle_cursor_update(struct drm_plane *plane, amdgpu_crtc->cursor_width = plane->state->crtc_w; amdgpu_crtc->cursor_height = plane->state->crtc_h; + memset(&attributes, 0, sizeof(attributes)); attributes.address.high_part = upper_32_bits(address); attributes.address.low_part = lower_32_bits(address); attributes.width = plane->state->crtc_w; diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c index c68fbd55db3c..a6cda201c964 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc.c @@ -1377,6 +1377,11 @@ static enum surface_update_type det_surface_update(const struct dc *dc, return UPDATE_TYPE_FULL; } + if (u->surface->force_full_update) { + update_flags->bits.full_update = 1; + return UPDATE_TYPE_FULL; + } + type = get_plane_info_update_type(u); elevate_update_type(&overall_type, type); @@ -1802,6 +1807,14 @@ void dc_commit_updates_for_stream(struct dc *dc, } dc_resource_state_copy_construct(state, context); + + for (i = 0; i < dc->res_pool->pipe_count; i++) { + struct pipe_ctx *new_pipe = &context->res_ctx.pipe_ctx[i]; + struct pipe_ctx *old_pipe = &dc->current_state->res_ctx.pipe_ctx[i]; + + if (new_pipe->plane_state && new_pipe->plane_state != old_pipe->plane_state) + new_pipe->plane_state->force_full_update = true; + } } @@ -1838,6 +1851,12 @@ void dc_commit_updates_for_stream(struct dc *dc, dc->current_state = context; dc_release_state(old); + for (i = 0; i < dc->res_pool->pipe_count; i++) { + struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[i]; + + if (pipe_ctx->plane_state && pipe_ctx->stream == stream) + pipe_ctx->plane_state->force_full_update = false; + } } /*let's use current_state to update watermark etc*/ if (update_type >= UPDATE_TYPE_FULL) diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link.c b/drivers/gpu/drm/amd/display/dc/core/dc_link.c index 4eba3c4800b6..ea18e9c2d8ce 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_link.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link.c @@ -2660,12 +2660,18 @@ void core_link_enable_stream( void core_link_disable_stream(struct pipe_ctx *pipe_ctx, int option) { struct dc *core_dc = pipe_ctx->stream->ctx->dc; + struct dc_stream_state *stream = pipe_ctx->stream; core_dc->hwss.blank_stream(pipe_ctx); if (pipe_ctx->stream->signal == SIGNAL_TYPE_DISPLAY_PORT_MST) deallocate_mst_payload(pipe_ctx); + if (dc_is_hdmi_signal(pipe_ctx->stream->signal)) + dal_ddc_service_write_scdc_data( + stream->link->ddc, 0, + stream->timing.flags.LTE_340MCSC_SCRAMBLE); + core_dc->hwss.disable_stream(pipe_ctx, option); disable_link(pipe_ctx->stream->link, pipe_ctx->stream->signal); diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h index 1a7fd6aa77eb..0515095574e7 100644 --- a/drivers/gpu/drm/amd/display/dc/dc.h +++ b/drivers/gpu/drm/amd/display/dc/dc.h @@ -503,6 +503,9 @@ struct dc_plane_state { struct dc_plane_status status; struct dc_context *ctx; + /* HACK: Workaround for forcing full reprogramming under some conditions */ + bool force_full_update; + /* private to dc_surface.c */ enum dc_irq_source irq_source; struct kref refcount; diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_aux.c b/drivers/gpu/drm/amd/display/dc/dce/dce_aux.c index 4febf4ef7240..4fe3664fb495 100644 --- a/drivers/gpu/drm/amd/display/dc/dce/dce_aux.c +++ b/drivers/gpu/drm/amd/display/dc/dce/dce_aux.c @@ -190,6 +190,12 @@ static void submit_channel_request( 1, 0); } + + REG_UPDATE(AUX_INTERRUPT_CONTROL, AUX_SW_DONE_ACK, 1); + + REG_WAIT(AUX_SW_STATUS, AUX_SW_DONE, 0, + 10, aux110->timeout_period/10); + /* set the delay and the number of bytes to write */ /* The length include @@ -242,9 +248,6 @@ static void submit_channel_request( } } - REG_UPDATE(AUX_INTERRUPT_CONTROL, AUX_SW_DONE_ACK, 1); - REG_WAIT(AUX_SW_STATUS, AUX_SW_DONE, 0, - 10, aux110->timeout_period/10); REG_UPDATE(AUX_SW_CONTROL, AUX_SW_GO, 1); } diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_aux.h b/drivers/gpu/drm/amd/display/dc/dce/dce_aux.h index d27f22c05e4b..e28ed6a00ff4 100644 --- a/drivers/gpu/drm/amd/display/dc/dce/dce_aux.h +++ b/drivers/gpu/drm/amd/display/dc/dce/dce_aux.h @@ -71,11 +71,11 @@ enum { /* This is the timeout as defined in DP 1.2a, * at most within ~240usec. That means, * increasing this timeout will not affect normal operation, * and we'll timeout after - * SW_AUX_TIMEOUT_PERIOD_MULTIPLIER * AUX_TIMEOUT_PERIOD = 1600usec. + * SW_AUX_TIMEOUT_PERIOD_MULTIPLIER * AUX_TIMEOUT_PERIOD = 2400usec. * This timeout is especially important for - * resume from S3 and CTS. + * converters, resume from S3, and CTS. */ - SW_AUX_TIMEOUT_PERIOD_MULTIPLIER = 4 + SW_AUX_TIMEOUT_PERIOD_MULTIPLIER = 6 }; struct dce_aux { diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubp.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubp.c index 683829466a44..0ba68d41b9c3 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubp.c +++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubp.c @@ -1150,28 +1150,9 @@ void hubp1_cursor_set_position( REG_UPDATE(CURSOR_CONTROL, CURSOR_ENABLE, cur_en); - //account for cases where we see negative offset relative to overlay plane - if (src_x_offset < 0 && src_y_offset < 0) { - REG_SET_2(CURSOR_POSITION, 0, - CURSOR_X_POSITION, 0, - CURSOR_Y_POSITION, 0); - x_hotspot -= src_x_offset; - y_hotspot -= src_y_offset; - } else if (src_x_offset < 0) { - REG_SET_2(CURSOR_POSITION, 0, - CURSOR_X_POSITION, 0, - CURSOR_Y_POSITION, pos->y); - x_hotspot -= src_x_offset; - } else if (src_y_offset < 0) { - REG_SET_2(CURSOR_POSITION, 0, + REG_SET_2(CURSOR_POSITION, 0, CURSOR_X_POSITION, pos->x, - CURSOR_Y_POSITION, 0); - y_hotspot -= src_y_offset; - } else { - REG_SET_2(CURSOR_POSITION, 0, - CURSOR_X_POSITION, pos->x, - CURSOR_Y_POSITION, pos->y); - } + CURSOR_Y_POSITION, pos->y); REG_SET_2(CURSOR_HOT_SPOT, 0, CURSOR_HOT_SPOT_X, x_hotspot, diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c index 9aa7bec1b5fe..23b5b94a4939 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c @@ -91,6 +91,12 @@ static void vega20_set_default_registry_data(struct pp_hwmgr *hwmgr) * MP0CLK DS */ data->registry_data.disallowed_features = 0xE0041C00; + /* ECC feature should be disabled on old SMUs */ + smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetSmuVersion); + hwmgr->smu_version = smum_get_argument(hwmgr); + if (hwmgr->smu_version < 0x282100) + data->registry_data.disallowed_features |= FEATURE_ECC_MASK; + data->registry_data.od_state_in_dc_support = 0; data->registry_data.thermal_support = 1; data->registry_data.skip_baco_hardware = 0; @@ -357,6 +363,7 @@ static void vega20_init_dpm_defaults(struct pp_hwmgr *hwmgr) data->smu_features[GNLD_DS_MP1CLK].smu_feature_id = FEATURE_DS_MP1CLK_BIT; data->smu_features[GNLD_DS_MP0CLK].smu_feature_id = FEATURE_DS_MP0CLK_BIT; data->smu_features[GNLD_XGMI].smu_feature_id = FEATURE_XGMI_BIT; + data->smu_features[GNLD_ECC].smu_feature_id = FEATURE_ECC_BIT; for (i = 0; i < GNLD_FEATURES_MAX; i++) { data->smu_features[i].smu_feature_bitmap = @@ -3020,7 +3027,8 @@ static int vega20_get_ppfeature_status(struct pp_hwmgr *hwmgr, char *buf) "FCLK_DS", "MP1CLK_DS", "MP0CLK_DS", - "XGMI"}; + "XGMI", + "ECC"}; static const char *output_title[] = { "FEATURES", "BITMASK", @@ -3462,6 +3470,7 @@ static int vega20_apply_clocks_adjust_rules(struct pp_hwmgr *hwmgr) struct vega20_single_dpm_table *dpm_table; bool vblank_too_short = false; bool disable_mclk_switching; + bool disable_fclk_switching; uint32_t i, latency; disable_mclk_switching = ((1 < hwmgr->display_config->num_display) && @@ -3537,13 +3546,20 @@ static int vega20_apply_clocks_adjust_rules(struct pp_hwmgr *hwmgr) if (hwmgr->display_config->nb_pstate_switch_disable) dpm_table->dpm_state.hard_min_level = dpm_table->dpm_levels[dpm_table->count - 1].value; + if ((disable_mclk_switching && + (dpm_table->dpm_state.hard_min_level == dpm_table->dpm_levels[dpm_table->count - 1].value)) || + hwmgr->display_config->min_mem_set_clock / 100 >= dpm_table->dpm_levels[dpm_table->count - 1].value) + disable_fclk_switching = true; + else + disable_fclk_switching = false; + /* fclk */ dpm_table = &(data->dpm_table.fclk_table); dpm_table->dpm_state.soft_min_level = dpm_table->dpm_levels[0].value; dpm_table->dpm_state.soft_max_level = VG20_CLOCK_MAX_DEFAULT; dpm_table->dpm_state.hard_min_level = dpm_table->dpm_levels[0].value; dpm_table->dpm_state.hard_max_level = VG20_CLOCK_MAX_DEFAULT; - if (hwmgr->display_config->nb_pstate_switch_disable) + if (hwmgr->display_config->nb_pstate_switch_disable || disable_fclk_switching) dpm_table->dpm_state.soft_min_level = dpm_table->dpm_levels[dpm_table->count - 1].value; /* vclk */ diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.h b/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.h index a5bc758ae097..ac2a3118a0ae 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.h +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.h @@ -80,6 +80,7 @@ enum { GNLD_DS_MP1CLK, GNLD_DS_MP0CLK, GNLD_XGMI, + GNLD_ECC, GNLD_FEATURES_MAX }; diff --git a/drivers/gpu/drm/amd/powerplay/inc/smu11_driver_if.h b/drivers/gpu/drm/amd/powerplay/inc/smu11_driver_if.h index 63d5cf691549..195c4ae67058 100644 --- a/drivers/gpu/drm/amd/powerplay/inc/smu11_driver_if.h +++ b/drivers/gpu/drm/amd/powerplay/inc/smu11_driver_if.h @@ -99,7 +99,7 @@ #define FEATURE_DS_MP1CLK_BIT 30 #define FEATURE_DS_MP0CLK_BIT 31 #define FEATURE_XGMI_BIT 32 -#define FEATURE_SPARE_33_BIT 33 +#define FEATURE_ECC_BIT 33 #define FEATURE_SPARE_34_BIT 34 #define FEATURE_SPARE_35_BIT 35 #define FEATURE_SPARE_36_BIT 36 @@ -165,7 +165,8 @@ #define FEATURE_DS_FCLK_MASK (1 << FEATURE_DS_FCLK_BIT ) #define FEATURE_DS_MP1CLK_MASK (1 << FEATURE_DS_MP1CLK_BIT ) #define FEATURE_DS_MP0CLK_MASK (1 << FEATURE_DS_MP0CLK_BIT ) -#define FEATURE_XGMI_MASK (1 << FEATURE_XGMI_BIT ) +#define FEATURE_XGMI_MASK (1ULL << FEATURE_XGMI_BIT ) +#define FEATURE_ECC_MASK (1ULL << FEATURE_ECC_BIT ) #define DPM_OVERRIDE_DISABLE_SOCCLK_PID 0x00000001 #define DPM_OVERRIDE_DISABLE_UCLK_PID 0x00000002 diff --git a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c index a63e5f0dae56..ab7968c8f6a2 100644 --- a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c +++ b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c @@ -1037,6 +1037,35 @@ void dw_hdmi_phy_i2c_write(struct dw_hdmi *hdmi, unsigned short data, } EXPORT_SYMBOL_GPL(dw_hdmi_phy_i2c_write); +/* Filter out invalid setups to avoid configuring SCDC and scrambling */ +static bool dw_hdmi_support_scdc(struct dw_hdmi *hdmi) +{ + struct drm_display_info *display = &hdmi->connector.display_info; + + /* Completely disable SCDC support for older controllers */ + if (hdmi->version < 0x200a) + return false; + + /* Disable if no DDC bus */ + if (!hdmi->ddc) + return false; + + /* Disable if SCDC is not supported, or if an HF-VSDB block is absent */ + if (!display->hdmi.scdc.supported || + !display->hdmi.scdc.scrambling.supported) + return false; + + /* + * Disable if display only support low TMDS rates and scrambling + * for low rates is not supported either + */ + if (!display->hdmi.scdc.scrambling.low_rates && + display->max_tmds_clock <= 340000) + return false; + + return true; +} + /* * HDMI2.0 Specifies the following procedure for High TMDS Bit Rates: * - The Source shall suspend transmission of the TMDS clock and data @@ -1055,7 +1084,7 @@ void dw_hdmi_set_high_tmds_clock_ratio(struct dw_hdmi *hdmi) unsigned long mtmdsclock = hdmi->hdmi_data.video_mode.mtmdsclock; /* Control for TMDS Bit Period/TMDS Clock-Period Ratio */ - if (hdmi->connector.display_info.hdmi.scdc.supported) { + if (dw_hdmi_support_scdc(hdmi)) { if (mtmdsclock > HDMI14_MAX_TMDSCLK) drm_scdc_set_high_tmds_clock_ratio(hdmi->ddc, 1); else @@ -1579,8 +1608,9 @@ static void hdmi_av_composer(struct dw_hdmi *hdmi, /* Set up HDMI_FC_INVIDCONF */ inv_val = (hdmi->hdmi_data.hdcp_enable || - vmode->mtmdsclock > HDMI14_MAX_TMDSCLK || - hdmi_info->scdc.scrambling.low_rates ? + (dw_hdmi_support_scdc(hdmi) && + (vmode->mtmdsclock > HDMI14_MAX_TMDSCLK || + hdmi_info->scdc.scrambling.low_rates)) ? HDMI_FC_INVIDCONF_HDCP_KEEPOUT_ACTIVE : HDMI_FC_INVIDCONF_HDCP_KEEPOUT_INACTIVE); @@ -1646,7 +1676,7 @@ static void hdmi_av_composer(struct dw_hdmi *hdmi, } /* Scrambling Control */ - if (hdmi_info->scdc.supported) { + if (dw_hdmi_support_scdc(hdmi)) { if (vmode->mtmdsclock > HDMI14_MAX_TMDSCLK || hdmi_info->scdc.scrambling.low_rates) { /* @@ -1658,13 +1688,13 @@ static void hdmi_av_composer(struct dw_hdmi *hdmi, * Source Devices compliant shall set the * Source Version = 1. */ - drm_scdc_readb(&hdmi->i2c->adap, SCDC_SINK_VERSION, + drm_scdc_readb(hdmi->ddc, SCDC_SINK_VERSION, &bytes); - drm_scdc_writeb(&hdmi->i2c->adap, SCDC_SOURCE_VERSION, + drm_scdc_writeb(hdmi->ddc, SCDC_SOURCE_VERSION, min_t(u8, bytes, SCDC_MIN_SOURCE_VERSION)); /* Enabled Scrambling in the Sink */ - drm_scdc_set_scrambling(&hdmi->i2c->adap, 1); + drm_scdc_set_scrambling(hdmi->ddc, 1); /* * To activate the scrambler feature, you must ensure @@ -1680,7 +1710,7 @@ static void hdmi_av_composer(struct dw_hdmi *hdmi, hdmi_writeb(hdmi, 0, HDMI_FC_SCRAMBLER_CTRL); hdmi_writeb(hdmi, (u8)~HDMI_MC_SWRSTZ_TMDSSWRST_REQ, HDMI_MC_SWRSTZ); - drm_scdc_set_scrambling(&hdmi->i2c->adap, 0); + drm_scdc_set_scrambling(hdmi->ddc, 0); } } @@ -1774,6 +1804,8 @@ static void dw_hdmi_clear_overflow(struct dw_hdmi *hdmi) * iteration for others. * The Amlogic Meson GX SoCs (v2.01a) have been identified as needing * the workaround with a single iteration. + * The Rockchip RK3288 SoC (v2.00a) and RK3328/RK3399 SoCs (v2.11a) have + * been identified as needing the workaround with a single iteration. */ switch (hdmi->version) { @@ -1782,7 +1814,9 @@ static void dw_hdmi_clear_overflow(struct dw_hdmi *hdmi) break; case 0x131a: case 0x132a: + case 0x200a: case 0x201a: + case 0x211a: case 0x212a: count = 1; break; diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c index 40ac19848034..fbb76332cc9f 100644 --- a/drivers/gpu/drm/drm_atomic_helper.c +++ b/drivers/gpu/drm/drm_atomic_helper.c @@ -1034,7 +1034,7 @@ disable_outputs(struct drm_device *dev, struct drm_atomic_state *old_state) funcs->atomic_disable(crtc, old_crtc_state); else if (funcs->disable) funcs->disable(crtc); - else + else if (funcs->dpms) funcs->dpms(crtc, DRM_MODE_DPMS_OFF); if (!(dev->irq_enabled && dev->num_crtcs)) @@ -1277,10 +1277,9 @@ void drm_atomic_helper_commit_modeset_enables(struct drm_device *dev, if (new_crtc_state->enable) { DRM_DEBUG_ATOMIC("enabling [CRTC:%d:%s]\n", crtc->base.id, crtc->name); - if (funcs->atomic_enable) funcs->atomic_enable(crtc, old_crtc_state); - else + else if (funcs->commit) funcs->commit(crtc); } } diff --git a/drivers/gpu/drm/drm_mm.c b/drivers/gpu/drm/drm_mm.c index 2b4f373736c7..8b4cd31ce7bd 100644 --- a/drivers/gpu/drm/drm_mm.c +++ b/drivers/gpu/drm/drm_mm.c @@ -106,25 +106,19 @@ static noinline void save_stack(struct drm_mm_node *node) { unsigned long entries[STACKDEPTH]; - struct stack_trace trace = { - .entries = entries, - .max_entries = STACKDEPTH, - .skip = 1 - }; + unsigned int n; - save_stack_trace(&trace); - if (trace.nr_entries != 0 && - trace.entries[trace.nr_entries-1] == ULONG_MAX) - trace.nr_entries--; + n = stack_trace_save(entries, ARRAY_SIZE(entries), 1); /* May be called under spinlock, so avoid sleeping */ - node->stack = depot_save_stack(&trace, GFP_NOWAIT); + node->stack = stack_depot_save(entries, n, GFP_NOWAIT); } static void show_leaks(struct drm_mm *mm) { struct drm_mm_node *node; - unsigned long entries[STACKDEPTH]; + unsigned long *entries; + unsigned int nr_entries; char *buf; buf = kmalloc(BUFSZ, GFP_KERNEL); @@ -132,19 +126,14 @@ static void show_leaks(struct drm_mm *mm) return; list_for_each_entry(node, drm_mm_nodes(mm), node_list) { - struct stack_trace trace = { - .entries = entries, - .max_entries = STACKDEPTH - }; - if (!node->stack) { DRM_ERROR("node [%08llx + %08llx]: unknown owner\n", node->start, node->size); continue; } - depot_fetch_stack(node->stack, &trace); - snprint_stack_trace(buf, BUFSZ, &trace, 0); + nr_entries = stack_depot_fetch(node->stack, &entries); + stack_trace_snprint(buf, BUFSZ, entries, nr_entries, 0); DRM_ERROR("node [%08llx + %08llx]: inserted at\n%s", node->start, node->size, buf); } diff --git a/drivers/gpu/drm/i915/gvt/display.c b/drivers/gpu/drm/i915/gvt/display.c index 035479e273be..e3f9caa7839f 100644 --- a/drivers/gpu/drm/i915/gvt/display.c +++ b/drivers/gpu/drm/i915/gvt/display.c @@ -448,7 +448,7 @@ void intel_gvt_emulate_vblank(struct intel_gvt *gvt) /** * intel_vgpu_emulate_hotplug - trigger hotplug event for vGPU * @vgpu: a vGPU - * @conncted: link state + * @connected: link state * * This function is used to trigger hotplug interrupt for vGPU * diff --git a/drivers/gpu/drm/i915/gvt/dmabuf.c b/drivers/gpu/drm/i915/gvt/dmabuf.c index 3e7e2b80c857..69a9a1b2ea4a 100644 --- a/drivers/gpu/drm/i915/gvt/dmabuf.c +++ b/drivers/gpu/drm/i915/gvt/dmabuf.c @@ -209,7 +209,7 @@ static int vgpu_get_plane_info(struct drm_device *dev, struct drm_i915_private *dev_priv = to_i915(dev); struct intel_vgpu_primary_plane_format p; struct intel_vgpu_cursor_plane_format c; - int ret; + int ret, tile_height = 1; if (plane_id == DRM_PLANE_TYPE_PRIMARY) { ret = intel_vgpu_decode_primary_plane(vgpu, &p); @@ -228,19 +228,19 @@ static int vgpu_get_plane_info(struct drm_device *dev, break; case PLANE_CTL_TILED_X: info->drm_format_mod = I915_FORMAT_MOD_X_TILED; + tile_height = 8; break; case PLANE_CTL_TILED_Y: info->drm_format_mod = I915_FORMAT_MOD_Y_TILED; + tile_height = 32; break; case PLANE_CTL_TILED_YF: info->drm_format_mod = I915_FORMAT_MOD_Yf_TILED; + tile_height = 32; break; default: gvt_vgpu_err("invalid tiling mode: %x\n", p.tiled); } - - info->size = (((p.stride * p.height * p.bpp) / 8) + - (PAGE_SIZE - 1)) >> PAGE_SHIFT; } else if (plane_id == DRM_PLANE_TYPE_CURSOR) { ret = intel_vgpu_decode_cursor_plane(vgpu, &c); if (ret) @@ -262,14 +262,13 @@ static int vgpu_get_plane_info(struct drm_device *dev, info->x_hot = UINT_MAX; info->y_hot = UINT_MAX; } - - info->size = (((info->stride * c.height * c.bpp) / 8) - + (PAGE_SIZE - 1)) >> PAGE_SHIFT; } else { gvt_vgpu_err("invalid plane id:%d\n", plane_id); return -EINVAL; } + info->size = (info->stride * roundup(info->height, tile_height) + + PAGE_SIZE - 1) >> PAGE_SHIFT; if (info->size == 0) { gvt_vgpu_err("fb size is zero\n"); return -EINVAL; diff --git a/drivers/gpu/drm/i915/gvt/gtt.c b/drivers/gpu/drm/i915/gvt/gtt.c index d7052ab7908c..9814773882ec 100644 --- a/drivers/gpu/drm/i915/gvt/gtt.c +++ b/drivers/gpu/drm/i915/gvt/gtt.c @@ -750,14 +750,20 @@ static void ppgtt_free_spt(struct intel_vgpu_ppgtt_spt *spt) static void ppgtt_free_all_spt(struct intel_vgpu *vgpu) { - struct intel_vgpu_ppgtt_spt *spt; + struct intel_vgpu_ppgtt_spt *spt, *spn; struct radix_tree_iter iter; - void **slot; + LIST_HEAD(all_spt); + void __rcu **slot; + rcu_read_lock(); radix_tree_for_each_slot(slot, &vgpu->gtt.spt_tree, &iter, 0) { spt = radix_tree_deref_slot(slot); - ppgtt_free_spt(spt); + list_move(&spt->post_shadow_list, &all_spt); } + rcu_read_unlock(); + + list_for_each_entry_safe(spt, spn, &all_spt, post_shadow_list) + ppgtt_free_spt(spt); } static int ppgtt_handle_guest_write_page_table_bytes( @@ -1946,7 +1952,7 @@ void _intel_vgpu_mm_release(struct kref *mm_ref) */ void intel_vgpu_unpin_mm(struct intel_vgpu_mm *mm) { - atomic_dec(&mm->pincount); + atomic_dec_if_positive(&mm->pincount); } /** diff --git a/drivers/gpu/drm/i915/gvt/kvmgt.c b/drivers/gpu/drm/i915/gvt/kvmgt.c index d5fcc447d22f..a68addf95c23 100644 --- a/drivers/gpu/drm/i915/gvt/kvmgt.c +++ b/drivers/gpu/drm/i915/gvt/kvmgt.c @@ -905,7 +905,7 @@ static inline bool intel_vgpu_in_aperture(struct intel_vgpu *vgpu, u64 off) static int intel_vgpu_aperture_rw(struct intel_vgpu *vgpu, u64 off, void *buf, unsigned long count, bool is_write) { - void *aperture_va; + void __iomem *aperture_va; if (!intel_vgpu_in_aperture(vgpu, off) || !intel_vgpu_in_aperture(vgpu, off + count)) { @@ -920,9 +920,9 @@ static int intel_vgpu_aperture_rw(struct intel_vgpu *vgpu, u64 off, return -EIO; if (is_write) - memcpy(aperture_va + offset_in_page(off), buf, count); + memcpy_toio(aperture_va + offset_in_page(off), buf, count); else - memcpy(buf, aperture_va + offset_in_page(off), count); + memcpy_fromio(buf, aperture_va + offset_in_page(off), count); io_mapping_unmap(aperture_va); diff --git a/drivers/gpu/drm/i915/gvt/scheduler.c b/drivers/gpu/drm/i915/gvt/scheduler.c index 159192c097cc..05b953793316 100644 --- a/drivers/gpu/drm/i915/gvt/scheduler.c +++ b/drivers/gpu/drm/i915/gvt/scheduler.c @@ -1486,8 +1486,9 @@ intel_vgpu_create_workload(struct intel_vgpu *vgpu, int ring_id, intel_runtime_pm_put_unchecked(dev_priv); } - if (ret && (vgpu_is_vm_unhealthy(ret))) { - enter_failsafe_mode(vgpu, GVT_FAILSAFE_GUEST_ERR); + if (ret) { + if (vgpu_is_vm_unhealthy(ret)) + enter_failsafe_mode(vgpu, GVT_FAILSAFE_GUEST_ERR); intel_vgpu_destroy_workload(workload); return ERR_PTR(ret); } diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c index 0bd890c04fe4..f6f6e5b78e97 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -4830,7 +4830,10 @@ static int i915_dsc_fec_support_show(struct seq_file *m, void *data) ret = drm_modeset_lock(&dev->mode_config.connection_mutex, &ctx); if (ret) { - ret = -EINTR; + if (ret == -EDEADLK && !drm_modeset_backoff(&ctx)) { + try_again = true; + continue; + } break; } crtc = connector->state->crtc; diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c index 02adcaf6ebea..16f80a448820 100644 --- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c +++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c @@ -1667,6 +1667,7 @@ static int eb_copy_relocations(const struct i915_execbuffer *eb) len)) { end_user: user_access_end(); +end: kvfree(relocs); err = -EFAULT; goto err; @@ -1686,7 +1687,7 @@ end_user: * relocations were valid. */ if (!user_access_begin(urelocs, size)) - goto end_user; + goto end; for (copied = 0; copied < nreloc; copied++) unsafe_put_user(-1, @@ -2695,7 +2696,7 @@ i915_gem_execbuffer2_ioctl(struct drm_device *dev, void *data, * when we did the "copy_from_user()" above. */ if (!user_access_begin(user_exec_list, count * sizeof(*user_exec_list))) - goto end_user; + goto end; for (i = 0; i < args->buffer_count; i++) { if (!(exec2_list[i].offset & UPDATE)) @@ -2709,6 +2710,7 @@ i915_gem_execbuffer2_ioctl(struct drm_device *dev, void *data, } end_user: user_access_end(); +end:; } args->flags &= ~__I915_EXEC_UNKNOWN_FLAGS; diff --git a/drivers/gpu/drm/i915/i915_vma.c b/drivers/gpu/drm/i915/i915_vma.c index b713bed20c38..41b5bcb803cb 100644 --- a/drivers/gpu/drm/i915/i915_vma.c +++ b/drivers/gpu/drm/i915/i915_vma.c @@ -36,11 +36,8 @@ static void vma_print_allocator(struct i915_vma *vma, const char *reason) { - unsigned long entries[12]; - struct stack_trace trace = { - .entries = entries, - .max_entries = ARRAY_SIZE(entries), - }; + unsigned long *entries; + unsigned int nr_entries; char buf[512]; if (!vma->node.stack) { @@ -49,8 +46,8 @@ static void vma_print_allocator(struct i915_vma *vma, const char *reason) return; } - depot_fetch_stack(vma->node.stack, &trace); - snprint_stack_trace(buf, sizeof(buf), &trace, 0); + nr_entries = stack_depot_fetch(vma->node.stack, &entries); + stack_trace_snprint(buf, sizeof(buf), entries, nr_entries, 0); DRM_DEBUG_DRIVER("vma.node [%08llx + %08llx] %s: inserted at %s\n", vma->node.start, vma->node.size, reason, buf); } diff --git a/drivers/gpu/drm/i915/icl_dsi.c b/drivers/gpu/drm/i915/icl_dsi.c index 73a7bee24a66..641e0778fa9c 100644 --- a/drivers/gpu/drm/i915/icl_dsi.c +++ b/drivers/gpu/drm/i915/icl_dsi.c @@ -323,6 +323,21 @@ static void gen11_dsi_program_esc_clk_div(struct intel_encoder *encoder) } } +static void get_dsi_io_power_domains(struct drm_i915_private *dev_priv, + struct intel_dsi *intel_dsi) +{ + enum port port; + + for_each_dsi_port(port, intel_dsi->ports) { + WARN_ON(intel_dsi->io_wakeref[port]); + intel_dsi->io_wakeref[port] = + intel_display_power_get(dev_priv, + port == PORT_A ? + POWER_DOMAIN_PORT_DDI_A_IO : + POWER_DOMAIN_PORT_DDI_B_IO); + } +} + static void gen11_dsi_enable_io_power(struct intel_encoder *encoder) { struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); @@ -336,13 +351,7 @@ static void gen11_dsi_enable_io_power(struct intel_encoder *encoder) I915_WRITE(ICL_DSI_IO_MODECTL(port), tmp); } - for_each_dsi_port(port, intel_dsi->ports) { - intel_dsi->io_wakeref[port] = - intel_display_power_get(dev_priv, - port == PORT_A ? - POWER_DOMAIN_PORT_DDI_A_IO : - POWER_DOMAIN_PORT_DDI_B_IO); - } + get_dsi_io_power_domains(dev_priv, intel_dsi); } static void gen11_dsi_power_up_lanes(struct intel_encoder *encoder) @@ -589,6 +598,12 @@ static void gen11_dsi_map_pll(struct intel_encoder *encoder, val |= DPCLKA_CFGCR0_DDI_CLK_SEL(pll->info->id, port); } I915_WRITE(DPCLKA_CFGCR0_ICL, val); + + for_each_dsi_port(port, intel_dsi->ports) { + val &= ~DPCLKA_CFGCR0_DDI_CLK_OFF(port); + } + I915_WRITE(DPCLKA_CFGCR0_ICL, val); + POSTING_READ(DPCLKA_CFGCR0_ICL); mutex_unlock(&dev_priv->dpll_lock); @@ -1117,7 +1132,7 @@ static void gen11_dsi_disable_port(struct intel_encoder *encoder) DRM_ERROR("DDI port:%c buffer not idle\n", port_name(port)); } - gen11_dsi_ungate_clocks(encoder); + gen11_dsi_gate_clocks(encoder); } static void gen11_dsi_disable_io_power(struct intel_encoder *encoder) @@ -1218,20 +1233,11 @@ static int gen11_dsi_compute_config(struct intel_encoder *encoder, return 0; } -static u64 gen11_dsi_get_power_domains(struct intel_encoder *encoder, - struct intel_crtc_state *crtc_state) +static void gen11_dsi_get_power_domains(struct intel_encoder *encoder, + struct intel_crtc_state *crtc_state) { - struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base); - u64 domains = 0; - enum port port; - - for_each_dsi_port(port, intel_dsi->ports) - if (port == PORT_A) - domains |= BIT_ULL(POWER_DOMAIN_PORT_DDI_A_IO); - else - domains |= BIT_ULL(POWER_DOMAIN_PORT_DDI_B_IO); - - return domains; + get_dsi_io_power_domains(to_i915(encoder->base.dev), + enc_to_intel_dsi(&encoder->base)); } static bool gen11_dsi_get_hw_state(struct intel_encoder *encoder, diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c index 14d580cdefd3..98cea1f4b3bf 100644 --- a/drivers/gpu/drm/i915/intel_ddi.c +++ b/drivers/gpu/drm/i915/intel_ddi.c @@ -2075,12 +2075,11 @@ intel_ddi_main_link_aux_domain(struct intel_digital_port *dig_port) intel_aux_power_domain(dig_port); } -static u64 intel_ddi_get_power_domains(struct intel_encoder *encoder, - struct intel_crtc_state *crtc_state) +static void intel_ddi_get_power_domains(struct intel_encoder *encoder, + struct intel_crtc_state *crtc_state) { struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); struct intel_digital_port *dig_port; - u64 domains; /* * TODO: Add support for MST encoders. Atm, the following should never @@ -2088,10 +2087,10 @@ static u64 intel_ddi_get_power_domains(struct intel_encoder *encoder, * hook. */ if (WARN_ON(intel_crtc_has_type(crtc_state, INTEL_OUTPUT_DP_MST))) - return 0; + return; dig_port = enc_to_dig_port(&encoder->base); - domains = BIT_ULL(dig_port->ddi_io_power_domain); + intel_display_power_get(dev_priv, dig_port->ddi_io_power_domain); /* * AUX power is only needed for (e)DP mode, and for HDMI mode on TC @@ -2099,15 +2098,15 @@ static u64 intel_ddi_get_power_domains(struct intel_encoder *encoder, */ if (intel_crtc_has_dp_encoder(crtc_state) || intel_port_is_tc(dev_priv, encoder->port)) - domains |= BIT_ULL(intel_ddi_main_link_aux_domain(dig_port)); + intel_display_power_get(dev_priv, + intel_ddi_main_link_aux_domain(dig_port)); /* * VDSC power is needed when DSC is enabled */ if (crtc_state->dsc_params.compression_enable) - domains |= BIT_ULL(intel_dsc_power_domain(crtc_state)); - - return domains; + intel_display_power_get(dev_priv, + intel_dsc_power_domain(crtc_state)); } void intel_ddi_enable_pipe_clock(const struct intel_crtc_state *crtc_state) @@ -2825,10 +2824,10 @@ void icl_sanitize_encoder_pll_mapping(struct intel_encoder *encoder) return; } /* - * DSI ports should have their DDI clock ungated when disabled - * and gated when enabled. + * For DSI we keep the ddi clocks gated + * except during enable/disable sequence. */ - ddi_clk_needed = !encoder->base.crtc; + ddi_clk_needed = false; } val = I915_READ(DPCLKA_CFGCR0_ICL); @@ -3863,14 +3862,16 @@ static int intel_ddi_compute_config(struct intel_encoder *encoder, ret = intel_hdmi_compute_config(encoder, pipe_config, conn_state); else ret = intel_dp_compute_config(encoder, pipe_config, conn_state); + if (ret) + return ret; - if (IS_GEN9_LP(dev_priv) && ret) + if (IS_GEN9_LP(dev_priv)) pipe_config->lane_lat_optim_mask = bxt_ddi_phy_calc_lane_lat_optim_mask(pipe_config->lane_count); intel_ddi_compute_min_voltage_level(dev_priv, pipe_config); - return ret; + return 0; } diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index ccb616351bba..421aac80a838 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -15986,8 +15986,6 @@ get_encoder_power_domains(struct drm_i915_private *dev_priv) struct intel_encoder *encoder; for_each_intel_encoder(&dev_priv->drm, encoder) { - u64 get_domains; - enum intel_display_power_domain domain; struct intel_crtc_state *crtc_state; if (!encoder->get_power_domains) @@ -16001,9 +15999,7 @@ get_encoder_power_domains(struct drm_i915_private *dev_priv) continue; crtc_state = to_intel_crtc_state(encoder->base.crtc->state); - get_domains = encoder->get_power_domains(encoder, crtc_state); - for_each_power_domain(domain, get_domains) - intel_display_power_get(dev_priv, domain); + encoder->get_power_domains(encoder, crtc_state); } } diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index cf709835fb9a..48da4a969a0a 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -1859,42 +1859,6 @@ intel_dp_compute_link_config_wide(struct intel_dp *intel_dp, return -EINVAL; } -/* Optimize link config in order: max bpp, min lanes, min clock */ -static int -intel_dp_compute_link_config_fast(struct intel_dp *intel_dp, - struct intel_crtc_state *pipe_config, - const struct link_config_limits *limits) -{ - struct drm_display_mode *adjusted_mode = &pipe_config->base.adjusted_mode; - int bpp, clock, lane_count; - int mode_rate, link_clock, link_avail; - - for (bpp = limits->max_bpp; bpp >= limits->min_bpp; bpp -= 2 * 3) { - mode_rate = intel_dp_link_required(adjusted_mode->crtc_clock, - bpp); - - for (lane_count = limits->min_lane_count; - lane_count <= limits->max_lane_count; - lane_count <<= 1) { - for (clock = limits->min_clock; clock <= limits->max_clock; clock++) { - link_clock = intel_dp->common_rates[clock]; - link_avail = intel_dp_max_data_rate(link_clock, - lane_count); - - if (mode_rate <= link_avail) { - pipe_config->lane_count = lane_count; - pipe_config->pipe_bpp = bpp; - pipe_config->port_clock = link_clock; - - return 0; - } - } - } - } - - return -EINVAL; -} - static int intel_dp_dsc_compute_bpp(struct intel_dp *intel_dp, u8 dsc_max_bpc) { int i, num_bpc; @@ -1922,6 +1886,9 @@ static int intel_dp_dsc_compute_config(struct intel_dp *intel_dp, int pipe_bpp; int ret; + pipe_config->fec_enable = !intel_dp_is_edp(intel_dp) && + intel_dp_supports_fec(intel_dp, pipe_config); + if (!intel_dp_supports_dsc(intel_dp, pipe_config)) return -EINVAL; @@ -2031,15 +1998,13 @@ intel_dp_compute_link_config(struct intel_encoder *encoder, limits.min_bpp = 6 * 3; limits.max_bpp = intel_dp_compute_bpp(intel_dp, pipe_config); - if (intel_dp_is_edp(intel_dp) && intel_dp->edp_dpcd[0] < DP_EDP_14) { + if (intel_dp_is_edp(intel_dp)) { /* * Use the maximum clock and number of lanes the eDP panel - * advertizes being capable of. The eDP 1.3 and earlier panels - * are generally designed to support only a single clock and - * lane configuration, and typically these values correspond to - * the native resolution of the panel. With eDP 1.4 rate select - * and DSC, this is decreasingly the case, and we need to be - * able to select less than maximum link config. + * advertizes being capable of. The panels are generally + * designed to support only a single clock and lane + * configuration, and typically these values correspond to the + * native resolution of the panel. */ limits.min_lane_count = limits.max_lane_count; limits.min_clock = limits.max_clock; @@ -2053,22 +2018,11 @@ intel_dp_compute_link_config(struct intel_encoder *encoder, intel_dp->common_rates[limits.max_clock], limits.max_bpp, adjusted_mode->crtc_clock); - if (intel_dp_is_edp(intel_dp)) - /* - * Optimize for fast and narrow. eDP 1.3 section 3.3 and eDP 1.4 - * section A.1: "It is recommended that the minimum number of - * lanes be used, using the minimum link rate allowed for that - * lane configuration." - * - * Note that we use the max clock and lane count for eDP 1.3 and - * earlier, and fast vs. wide is irrelevant. - */ - ret = intel_dp_compute_link_config_fast(intel_dp, pipe_config, - &limits); - else - /* Optimize for slow and wide. */ - ret = intel_dp_compute_link_config_wide(intel_dp, pipe_config, - &limits); + /* + * Optimize for slow and wide. This is the place to add alternative + * optimization policy. + */ + ret = intel_dp_compute_link_config_wide(intel_dp, pipe_config, &limits); /* enable compression if the mode doesn't fit available BW */ DRM_DEBUG_KMS("Force DSC en = %d\n", intel_dp->force_dsc_en); @@ -2165,9 +2119,6 @@ intel_dp_compute_config(struct intel_encoder *encoder, if (adjusted_mode->flags & DRM_MODE_FLAG_DBLCLK) return -EINVAL; - pipe_config->fec_enable = !intel_dp_is_edp(intel_dp) && - intel_dp_supports_fec(intel_dp, pipe_config); - ret = intel_dp_compute_link_config(encoder, pipe_config, conn_state); if (ret < 0) return ret; diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h index 15db41394b9e..d5660ac1b0d6 100644 --- a/drivers/gpu/drm/i915/intel_drv.h +++ b/drivers/gpu/drm/i915/intel_drv.h @@ -270,10 +270,12 @@ struct intel_encoder { * be set correctly before calling this function. */ void (*get_config)(struct intel_encoder *, struct intel_crtc_state *pipe_config); - /* Returns a mask of power domains that need to be referenced as part - * of the hardware state readout code. */ - u64 (*get_power_domains)(struct intel_encoder *encoder, - struct intel_crtc_state *crtc_state); + /* + * Acquires the power domains needed for an active encoder during + * hardware state readout. + */ + void (*get_power_domains)(struct intel_encoder *encoder, + struct intel_crtc_state *crtc_state); /* * Called during system suspend after all pending requests for the * encoder are flushed (for example for DP AUX transactions) and diff --git a/drivers/gpu/drm/i915/intel_fbdev.c b/drivers/gpu/drm/i915/intel_fbdev.c index e8f694b57b8a..376ffe842e26 100644 --- a/drivers/gpu/drm/i915/intel_fbdev.c +++ b/drivers/gpu/drm/i915/intel_fbdev.c @@ -338,8 +338,8 @@ static bool intel_fb_initial_config(struct drm_fb_helper *fb_helper, bool *enabled, int width, int height) { struct drm_i915_private *dev_priv = to_i915(fb_helper->dev); + unsigned long conn_configured, conn_seq, mask; unsigned int count = min(fb_helper->connector_count, BITS_PER_LONG); - unsigned long conn_configured, conn_seq; int i, j; bool *save_enabled; bool fallback = true, ret = true; @@ -357,9 +357,10 @@ static bool intel_fb_initial_config(struct drm_fb_helper *fb_helper, drm_modeset_backoff(&ctx); memcpy(save_enabled, enabled, count); - conn_seq = GENMASK(count - 1, 0); + mask = GENMASK(count - 1, 0); conn_configured = 0; retry: + conn_seq = conn_configured; for (i = 0; i < count; i++) { struct drm_fb_helper_connector *fb_conn; struct drm_connector *connector; @@ -372,8 +373,7 @@ retry: if (conn_configured & BIT(i)) continue; - /* First pass, only consider tiled connectors */ - if (conn_seq == GENMASK(count - 1, 0) && !connector->has_tile) + if (conn_seq == 0 && !connector->has_tile) continue; if (connector->status == connector_status_connected) @@ -477,10 +477,8 @@ retry: conn_configured |= BIT(i); } - if (conn_configured != conn_seq) { /* repeat until no more are found */ - conn_seq = conn_configured; + if ((conn_configured & mask) != mask && conn_configured != conn_seq) goto retry; - } /* * If the BIOS didn't enable everything it could, fall back to have the diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c index f125a62eba8c..a46bffe2b288 100644 --- a/drivers/gpu/drm/i915/intel_hdmi.c +++ b/drivers/gpu/drm/i915/intel_hdmi.c @@ -182,7 +182,6 @@ static void g4x_write_infoframe(struct intel_encoder *encoder, I915_WRITE(VIDEO_DIP_CTL, val); - mmiowb(); for (i = 0; i < len; i += 4) { I915_WRITE(VIDEO_DIP_DATA, *data); data++; @@ -190,7 +189,6 @@ static void g4x_write_infoframe(struct intel_encoder *encoder, /* Write every possible data byte to force correct ECC calculation. */ for (; i < VIDEO_DIP_DATA_SIZE; i += 4) I915_WRITE(VIDEO_DIP_DATA, 0); - mmiowb(); val |= g4x_infoframe_enable(type); val &= ~VIDEO_DIP_FREQ_MASK; @@ -237,7 +235,6 @@ static void ibx_write_infoframe(struct intel_encoder *encoder, I915_WRITE(reg, val); - mmiowb(); for (i = 0; i < len; i += 4) { I915_WRITE(TVIDEO_DIP_DATA(intel_crtc->pipe), *data); data++; @@ -245,7 +242,6 @@ static void ibx_write_infoframe(struct intel_encoder *encoder, /* Write every possible data byte to force correct ECC calculation. */ for (; i < VIDEO_DIP_DATA_SIZE; i += 4) I915_WRITE(TVIDEO_DIP_DATA(intel_crtc->pipe), 0); - mmiowb(); val |= g4x_infoframe_enable(type); val &= ~VIDEO_DIP_FREQ_MASK; @@ -298,7 +294,6 @@ static void cpt_write_infoframe(struct intel_encoder *encoder, I915_WRITE(reg, val); - mmiowb(); for (i = 0; i < len; i += 4) { I915_WRITE(TVIDEO_DIP_DATA(intel_crtc->pipe), *data); data++; @@ -306,7 +301,6 @@ static void cpt_write_infoframe(struct intel_encoder *encoder, /* Write every possible data byte to force correct ECC calculation. */ for (; i < VIDEO_DIP_DATA_SIZE; i += 4) I915_WRITE(TVIDEO_DIP_DATA(intel_crtc->pipe), 0); - mmiowb(); val |= g4x_infoframe_enable(type); val &= ~VIDEO_DIP_FREQ_MASK; @@ -352,7 +346,6 @@ static void vlv_write_infoframe(struct intel_encoder *encoder, I915_WRITE(reg, val); - mmiowb(); for (i = 0; i < len; i += 4) { I915_WRITE(VLV_TVIDEO_DIP_DATA(intel_crtc->pipe), *data); data++; @@ -360,7 +353,6 @@ static void vlv_write_infoframe(struct intel_encoder *encoder, /* Write every possible data byte to force correct ECC calculation. */ for (; i < VIDEO_DIP_DATA_SIZE; i += 4) I915_WRITE(VLV_TVIDEO_DIP_DATA(intel_crtc->pipe), 0); - mmiowb(); val |= g4x_infoframe_enable(type); val &= ~VIDEO_DIP_FREQ_MASK; @@ -406,7 +398,6 @@ static void hsw_write_infoframe(struct intel_encoder *encoder, val &= ~hsw_infoframe_enable(type); I915_WRITE(ctl_reg, val); - mmiowb(); for (i = 0; i < len; i += 4) { I915_WRITE(hsw_dip_data_reg(dev_priv, cpu_transcoder, type, i >> 2), *data); @@ -416,7 +407,6 @@ static void hsw_write_infoframe(struct intel_encoder *encoder, for (; i < data_size; i += 4) I915_WRITE(hsw_dip_data_reg(dev_priv, cpu_transcoder, type, i >> 2), 0); - mmiowb(); val |= hsw_infoframe_enable(type); I915_WRITE(ctl_reg, val); diff --git a/drivers/gpu/drm/i915/intel_runtime_pm.c b/drivers/gpu/drm/i915/intel_runtime_pm.c index a017a4232c0f..20c4434474e3 100644 --- a/drivers/gpu/drm/i915/intel_runtime_pm.c +++ b/drivers/gpu/drm/i915/intel_runtime_pm.c @@ -60,31 +60,20 @@ static noinline depot_stack_handle_t __save_depot_stack(void) { unsigned long entries[STACKDEPTH]; - struct stack_trace trace = { - .entries = entries, - .max_entries = ARRAY_SIZE(entries), - .skip = 1, - }; + unsigned int n; - save_stack_trace(&trace); - if (trace.nr_entries && - trace.entries[trace.nr_entries - 1] == ULONG_MAX) - trace.nr_entries--; - - return depot_save_stack(&trace, GFP_NOWAIT | __GFP_NOWARN); + n = stack_trace_save(entries, ARRAY_SIZE(entries), 1); + return stack_depot_save(entries, n, GFP_NOWAIT | __GFP_NOWARN); } static void __print_depot_stack(depot_stack_handle_t stack, char *buf, int sz, int indent) { - unsigned long entries[STACKDEPTH]; - struct stack_trace trace = { - .entries = entries, - .max_entries = ARRAY_SIZE(entries), - }; + unsigned long *entries; + unsigned int nr_entries; - depot_fetch_stack(stack, &trace); - snprint_stack_trace(buf, sz, &trace, indent); + nr_entries = stack_depot_fetch(stack, &entries); + stack_trace_snprint(buf, sz, entries, nr_entries, indent); } static void init_intel_runtime_pm_wakeref(struct drm_i915_private *i915) diff --git a/drivers/gpu/drm/i915/vlv_dsi.c b/drivers/gpu/drm/i915/vlv_dsi.c index 6403728fe778..31c93c3ccd00 100644 --- a/drivers/gpu/drm/i915/vlv_dsi.c +++ b/drivers/gpu/drm/i915/vlv_dsi.c @@ -256,6 +256,28 @@ static void band_gap_reset(struct drm_i915_private *dev_priv) mutex_unlock(&dev_priv->sb_lock); } +static int bdw_get_pipemisc_bpp(struct intel_crtc *crtc) +{ + struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); + u32 tmp; + + tmp = I915_READ(PIPEMISC(crtc->pipe)); + + switch (tmp & PIPEMISC_DITHER_BPC_MASK) { + case PIPEMISC_DITHER_6_BPC: + return 18; + case PIPEMISC_DITHER_8_BPC: + return 24; + case PIPEMISC_DITHER_10_BPC: + return 30; + case PIPEMISC_DITHER_12_BPC: + return 36; + default: + MISSING_CASE(tmp); + return 0; + } +} + static int intel_dsi_compute_config(struct intel_encoder *encoder, struct intel_crtc_state *pipe_config, struct drm_connector_state *conn_state) @@ -1071,6 +1093,8 @@ static void bxt_dsi_get_pipe_config(struct intel_encoder *encoder, bpp = mipi_dsi_pixel_format_to_bpp( pixel_format_from_register_bits(fmt)); + pipe_config->pipe_bpp = bdw_get_pipemisc_bpp(crtc); + /* Enable Frame time stamo based scanline reporting */ adjusted_mode->private_flags |= I915_MODE_FLAG_GET_SCANLINE_FROM_TIMESTAMP; diff --git a/drivers/gpu/drm/imx/ipuv3-crtc.c b/drivers/gpu/drm/imx/ipuv3-crtc.c index ec3602ebbc1c..54011df8c2e8 100644 --- a/drivers/gpu/drm/imx/ipuv3-crtc.c +++ b/drivers/gpu/drm/imx/ipuv3-crtc.c @@ -71,7 +71,7 @@ static void ipu_crtc_disable_planes(struct ipu_crtc *ipu_crtc, if (disable_partial) ipu_plane_disable(ipu_crtc->plane[1], true); if (disable_full) - ipu_plane_disable(ipu_crtc->plane[0], false); + ipu_plane_disable(ipu_crtc->plane[0], true); } static void ipu_crtc_atomic_disable(struct drm_crtc *crtc, diff --git a/drivers/gpu/drm/mediatek/mtk_dpi.c b/drivers/gpu/drm/mediatek/mtk_dpi.c index 22e68a100e7b..5d333138f913 100644 --- a/drivers/gpu/drm/mediatek/mtk_dpi.c +++ b/drivers/gpu/drm/mediatek/mtk_dpi.c @@ -662,13 +662,11 @@ static unsigned int mt8173_calculate_factor(int clock) static unsigned int mt2701_calculate_factor(int clock) { if (clock <= 64000) - return 16; - else if (clock <= 128000) - return 8; - else if (clock <= 256000) return 4; - else + else if (clock <= 128000) return 2; + else + return 1; } static const struct mtk_dpi_conf mt8173_conf = { diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/mediatek/mtk_drm_drv.c index cf59ea9bccfd..57ce4708ef1b 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c @@ -15,6 +15,7 @@ #include <drm/drmP.h> #include <drm/drm_atomic.h> #include <drm/drm_atomic_helper.h> +#include <drm/drm_fb_helper.h> #include <drm/drm_gem.h> #include <drm/drm_gem_cma_helper.h> #include <drm/drm_of.h> @@ -341,6 +342,8 @@ static struct drm_driver mtk_drm_driver = { .gem_prime_get_sg_table = mtk_gem_prime_get_sg_table, .gem_prime_import_sg_table = mtk_gem_prime_import_sg_table, .gem_prime_mmap = mtk_drm_gem_mmap_buf, + .gem_prime_vmap = mtk_drm_gem_prime_vmap, + .gem_prime_vunmap = mtk_drm_gem_prime_vunmap, .fops = &mtk_drm_fops, .name = DRIVER_NAME, @@ -376,6 +379,10 @@ static int mtk_drm_bind(struct device *dev) if (ret < 0) goto err_deinit; + ret = drm_fbdev_generic_setup(drm, 32); + if (ret) + DRM_ERROR("Failed to initialize fbdev: %d\n", ret); + return 0; err_deinit: diff --git a/drivers/gpu/drm/mediatek/mtk_drm_gem.c b/drivers/gpu/drm/mediatek/mtk_drm_gem.c index 259b7b0de1d2..38483e9ee071 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_gem.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_gem.c @@ -241,3 +241,49 @@ err_gem_free: kfree(mtk_gem); return ERR_PTR(ret); } + +void *mtk_drm_gem_prime_vmap(struct drm_gem_object *obj) +{ + struct mtk_drm_gem_obj *mtk_gem = to_mtk_gem_obj(obj); + struct sg_table *sgt; + struct sg_page_iter iter; + unsigned int npages; + unsigned int i = 0; + + if (mtk_gem->kvaddr) + return mtk_gem->kvaddr; + + sgt = mtk_gem_prime_get_sg_table(obj); + if (IS_ERR(sgt)) + return NULL; + + npages = obj->size >> PAGE_SHIFT; + mtk_gem->pages = kcalloc(npages, sizeof(*mtk_gem->pages), GFP_KERNEL); + if (!mtk_gem->pages) + goto out; + + for_each_sg_page(sgt->sgl, &iter, sgt->orig_nents, 0) { + mtk_gem->pages[i++] = sg_page_iter_page(&iter); + if (i > npages) + break; + } + mtk_gem->kvaddr = vmap(mtk_gem->pages, npages, VM_MAP, + pgprot_writecombine(PAGE_KERNEL)); + +out: + kfree((void *)sgt); + + return mtk_gem->kvaddr; +} + +void mtk_drm_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr) +{ + struct mtk_drm_gem_obj *mtk_gem = to_mtk_gem_obj(obj); + + if (!mtk_gem->pages) + return; + + vunmap(vaddr); + mtk_gem->kvaddr = 0; + kfree((void *)mtk_gem->pages); +} diff --git a/drivers/gpu/drm/mediatek/mtk_drm_gem.h b/drivers/gpu/drm/mediatek/mtk_drm_gem.h index 534639b43a1c..c047a7ef294f 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_gem.h +++ b/drivers/gpu/drm/mediatek/mtk_drm_gem.h @@ -37,6 +37,7 @@ struct mtk_drm_gem_obj { dma_addr_t dma_addr; unsigned long dma_attrs; struct sg_table *sg; + struct page **pages; }; #define to_mtk_gem_obj(x) container_of(x, struct mtk_drm_gem_obj, base) @@ -52,5 +53,7 @@ int mtk_drm_gem_mmap_buf(struct drm_gem_object *obj, struct sg_table *mtk_gem_prime_get_sg_table(struct drm_gem_object *obj); struct drm_gem_object *mtk_gem_prime_import_sg_table(struct drm_device *dev, struct dma_buf_attachment *attach, struct sg_table *sg); +void *mtk_drm_gem_prime_vmap(struct drm_gem_object *obj); +void mtk_drm_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr); #endif diff --git a/drivers/gpu/drm/mediatek/mtk_hdmi.c b/drivers/gpu/drm/mediatek/mtk_hdmi.c index 915cc84621ae..e04e6c293d39 100644 --- a/drivers/gpu/drm/mediatek/mtk_hdmi.c +++ b/drivers/gpu/drm/mediatek/mtk_hdmi.c @@ -1480,7 +1480,6 @@ static int mtk_hdmi_dt_parse_pdata(struct mtk_hdmi *hdmi, if (IS_ERR(regmap)) ret = PTR_ERR(regmap); if (ret) { - ret = PTR_ERR(regmap); dev_err(dev, "Failed to get system configuration registers: %d\n", ret); @@ -1516,6 +1515,7 @@ static int mtk_hdmi_dt_parse_pdata(struct mtk_hdmi *hdmi, of_node_put(remote); hdmi->ddc_adpt = of_find_i2c_adapter_by_node(i2c_np); + of_node_put(i2c_np); if (!hdmi->ddc_adpt) { dev_err(dev, "Failed to get ddc i2c adapter by node\n"); return -EINVAL; diff --git a/drivers/gpu/drm/mediatek/mtk_hdmi_phy.c b/drivers/gpu/drm/mediatek/mtk_hdmi_phy.c index 4ef9c57ffd44..5223498502c4 100644 --- a/drivers/gpu/drm/mediatek/mtk_hdmi_phy.c +++ b/drivers/gpu/drm/mediatek/mtk_hdmi_phy.c @@ -15,28 +15,6 @@ static const struct phy_ops mtk_hdmi_phy_dev_ops = { .owner = THIS_MODULE, }; -long mtk_hdmi_pll_round_rate(struct clk_hw *hw, unsigned long rate, - unsigned long *parent_rate) -{ - struct mtk_hdmi_phy *hdmi_phy = to_mtk_hdmi_phy(hw); - - hdmi_phy->pll_rate = rate; - if (rate <= 74250000) - *parent_rate = rate; - else - *parent_rate = rate / 2; - - return rate; -} - -unsigned long mtk_hdmi_pll_recalc_rate(struct clk_hw *hw, - unsigned long parent_rate) -{ - struct mtk_hdmi_phy *hdmi_phy = to_mtk_hdmi_phy(hw); - - return hdmi_phy->pll_rate; -} - void mtk_hdmi_phy_clear_bits(struct mtk_hdmi_phy *hdmi_phy, u32 offset, u32 bits) { @@ -110,13 +88,11 @@ mtk_hdmi_phy_dev_get_ops(const struct mtk_hdmi_phy *hdmi_phy) return NULL; } -static void mtk_hdmi_phy_clk_get_ops(struct mtk_hdmi_phy *hdmi_phy, - const struct clk_ops **ops) +static void mtk_hdmi_phy_clk_get_data(struct mtk_hdmi_phy *hdmi_phy, + struct clk_init_data *clk_init) { - if (hdmi_phy && hdmi_phy->conf && hdmi_phy->conf->hdmi_phy_clk_ops) - *ops = hdmi_phy->conf->hdmi_phy_clk_ops; - else - dev_err(hdmi_phy->dev, "Failed to get clk ops of phy\n"); + clk_init->flags = hdmi_phy->conf->flags; + clk_init->ops = hdmi_phy->conf->hdmi_phy_clk_ops; } static int mtk_hdmi_phy_probe(struct platform_device *pdev) @@ -129,7 +105,6 @@ static int mtk_hdmi_phy_probe(struct platform_device *pdev) struct clk_init_data clk_init = { .num_parents = 1, .parent_names = (const char * const *)&ref_clk_name, - .flags = CLK_SET_RATE_PARENT | CLK_SET_RATE_GATE, }; struct phy *phy; @@ -167,7 +142,7 @@ static int mtk_hdmi_phy_probe(struct platform_device *pdev) hdmi_phy->dev = dev; hdmi_phy->conf = (struct mtk_hdmi_phy_conf *)of_device_get_match_data(dev); - mtk_hdmi_phy_clk_get_ops(hdmi_phy, &clk_init.ops); + mtk_hdmi_phy_clk_get_data(hdmi_phy, &clk_init); hdmi_phy->pll_hw.init = &clk_init; hdmi_phy->pll = devm_clk_register(dev, &hdmi_phy->pll_hw); if (IS_ERR(hdmi_phy->pll)) { diff --git a/drivers/gpu/drm/mediatek/mtk_hdmi_phy.h b/drivers/gpu/drm/mediatek/mtk_hdmi_phy.h index f39b1fc66612..2d8b3182470d 100644 --- a/drivers/gpu/drm/mediatek/mtk_hdmi_phy.h +++ b/drivers/gpu/drm/mediatek/mtk_hdmi_phy.h @@ -21,6 +21,7 @@ struct mtk_hdmi_phy; struct mtk_hdmi_phy_conf { bool tz_disabled; + unsigned long flags; const struct clk_ops *hdmi_phy_clk_ops; void (*hdmi_phy_enable_tmds)(struct mtk_hdmi_phy *hdmi_phy); void (*hdmi_phy_disable_tmds)(struct mtk_hdmi_phy *hdmi_phy); @@ -48,10 +49,6 @@ void mtk_hdmi_phy_set_bits(struct mtk_hdmi_phy *hdmi_phy, u32 offset, void mtk_hdmi_phy_mask(struct mtk_hdmi_phy *hdmi_phy, u32 offset, u32 val, u32 mask); struct mtk_hdmi_phy *to_mtk_hdmi_phy(struct clk_hw *hw); -long mtk_hdmi_pll_round_rate(struct clk_hw *hw, unsigned long rate, - unsigned long *parent_rate); -unsigned long mtk_hdmi_pll_recalc_rate(struct clk_hw *hw, - unsigned long parent_rate); extern struct platform_driver mtk_hdmi_phy_driver; extern struct mtk_hdmi_phy_conf mtk_hdmi_phy_8173_conf; diff --git a/drivers/gpu/drm/mediatek/mtk_mt2701_hdmi_phy.c b/drivers/gpu/drm/mediatek/mtk_mt2701_hdmi_phy.c index fcc42dc6ea7f..d3cc4022e988 100644 --- a/drivers/gpu/drm/mediatek/mtk_mt2701_hdmi_phy.c +++ b/drivers/gpu/drm/mediatek/mtk_mt2701_hdmi_phy.c @@ -79,7 +79,6 @@ static int mtk_hdmi_pll_prepare(struct clk_hw *hw) mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_SLDO_MASK); usleep_range(80, 100); mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON2, RG_HDMITX_MBIAS_LPF_EN); - mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON2, RG_HDMITX_EN_TX_POSDIV); mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_SER_MASK); mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_PRED_MASK); mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_DRV_MASK); @@ -94,7 +93,6 @@ static void mtk_hdmi_pll_unprepare(struct clk_hw *hw) mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_DRV_MASK); mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_PRED_MASK); mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_SER_MASK); - mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON2, RG_HDMITX_EN_TX_POSDIV); mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON2, RG_HDMITX_MBIAS_LPF_EN); usleep_range(80, 100); mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_SLDO_MASK); @@ -108,6 +106,12 @@ static void mtk_hdmi_pll_unprepare(struct clk_hw *hw) usleep_range(80, 100); } +static long mtk_hdmi_pll_round_rate(struct clk_hw *hw, unsigned long rate, + unsigned long *parent_rate) +{ + return rate; +} + static int mtk_hdmi_pll_set_rate(struct clk_hw *hw, unsigned long rate, unsigned long parent_rate) { @@ -116,13 +120,14 @@ static int mtk_hdmi_pll_set_rate(struct clk_hw *hw, unsigned long rate, if (rate <= 64000000) pos_div = 3; - else if (rate <= 12800000) - pos_div = 1; + else if (rate <= 128000000) + pos_div = 2; else pos_div = 1; mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON6, RG_HTPLL_PREDIV_MASK); mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON6, RG_HTPLL_POSDIV_MASK); + mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON2, RG_HDMITX_EN_TX_POSDIV); mtk_hdmi_phy_mask(hdmi_phy, HDMI_CON6, (0x1 << RG_HTPLL_IC), RG_HTPLL_IC_MASK); mtk_hdmi_phy_mask(hdmi_phy, HDMI_CON6, (0x1 << RG_HTPLL_IR), @@ -154,6 +159,39 @@ static int mtk_hdmi_pll_set_rate(struct clk_hw *hw, unsigned long rate, return 0; } +static unsigned long mtk_hdmi_pll_recalc_rate(struct clk_hw *hw, + unsigned long parent_rate) +{ + struct mtk_hdmi_phy *hdmi_phy = to_mtk_hdmi_phy(hw); + unsigned long out_rate, val; + + val = (readl(hdmi_phy->regs + HDMI_CON6) + & RG_HTPLL_PREDIV_MASK) >> RG_HTPLL_PREDIV; + switch (val) { + case 0x00: + out_rate = parent_rate; + break; + case 0x01: + out_rate = parent_rate / 2; + break; + default: + out_rate = parent_rate / 4; + break; + } + + val = (readl(hdmi_phy->regs + HDMI_CON6) + & RG_HTPLL_FBKDIV_MASK) >> RG_HTPLL_FBKDIV; + out_rate *= (val + 1) * 2; + val = (readl(hdmi_phy->regs + HDMI_CON2) + & RG_HDMITX_TX_POSDIV_MASK); + out_rate >>= (val >> RG_HDMITX_TX_POSDIV); + + if (readl(hdmi_phy->regs + HDMI_CON2) & RG_HDMITX_EN_TX_POSDIV) + out_rate /= 5; + + return out_rate; +} + static const struct clk_ops mtk_hdmi_phy_pll_ops = { .prepare = mtk_hdmi_pll_prepare, .unprepare = mtk_hdmi_pll_unprepare, @@ -174,7 +212,6 @@ static void mtk_hdmi_phy_enable_tmds(struct mtk_hdmi_phy *hdmi_phy) mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_SLDO_MASK); usleep_range(80, 100); mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON2, RG_HDMITX_MBIAS_LPF_EN); - mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON2, RG_HDMITX_EN_TX_POSDIV); mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_SER_MASK); mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_PRED_MASK); mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_DRV_MASK); @@ -186,7 +223,6 @@ static void mtk_hdmi_phy_disable_tmds(struct mtk_hdmi_phy *hdmi_phy) mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_DRV_MASK); mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_PRED_MASK); mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_SER_MASK); - mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON2, RG_HDMITX_EN_TX_POSDIV); mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON2, RG_HDMITX_MBIAS_LPF_EN); usleep_range(80, 100); mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_SLDO_MASK); @@ -202,6 +238,7 @@ static void mtk_hdmi_phy_disable_tmds(struct mtk_hdmi_phy *hdmi_phy) struct mtk_hdmi_phy_conf mtk_hdmi_phy_2701_conf = { .tz_disabled = true, + .flags = CLK_SET_RATE_GATE, .hdmi_phy_clk_ops = &mtk_hdmi_phy_pll_ops, .hdmi_phy_enable_tmds = mtk_hdmi_phy_enable_tmds, .hdmi_phy_disable_tmds = mtk_hdmi_phy_disable_tmds, diff --git a/drivers/gpu/drm/mediatek/mtk_mt8173_hdmi_phy.c b/drivers/gpu/drm/mediatek/mtk_mt8173_hdmi_phy.c index ed5916b27658..47f8a2951682 100644 --- a/drivers/gpu/drm/mediatek/mtk_mt8173_hdmi_phy.c +++ b/drivers/gpu/drm/mediatek/mtk_mt8173_hdmi_phy.c @@ -199,6 +199,20 @@ static void mtk_hdmi_pll_unprepare(struct clk_hw *hw) usleep_range(100, 150); } +static long mtk_hdmi_pll_round_rate(struct clk_hw *hw, unsigned long rate, + unsigned long *parent_rate) +{ + struct mtk_hdmi_phy *hdmi_phy = to_mtk_hdmi_phy(hw); + + hdmi_phy->pll_rate = rate; + if (rate <= 74250000) + *parent_rate = rate; + else + *parent_rate = rate / 2; + + return rate; +} + static int mtk_hdmi_pll_set_rate(struct clk_hw *hw, unsigned long rate, unsigned long parent_rate) { @@ -285,6 +299,14 @@ static int mtk_hdmi_pll_set_rate(struct clk_hw *hw, unsigned long rate, return 0; } +static unsigned long mtk_hdmi_pll_recalc_rate(struct clk_hw *hw, + unsigned long parent_rate) +{ + struct mtk_hdmi_phy *hdmi_phy = to_mtk_hdmi_phy(hw); + + return hdmi_phy->pll_rate; +} + static const struct clk_ops mtk_hdmi_phy_pll_ops = { .prepare = mtk_hdmi_pll_prepare, .unprepare = mtk_hdmi_pll_unprepare, @@ -309,6 +331,7 @@ static void mtk_hdmi_phy_disable_tmds(struct mtk_hdmi_phy *hdmi_phy) } struct mtk_hdmi_phy_conf mtk_hdmi_phy_8173_conf = { + .flags = CLK_SET_RATE_PARENT | CLK_SET_RATE_GATE, .hdmi_phy_clk_ops = &mtk_hdmi_phy_pll_ops, .hdmi_phy_enable_tmds = mtk_hdmi_phy_enable_tmds, .hdmi_phy_disable_tmds = mtk_hdmi_phy_disable_tmds, diff --git a/drivers/gpu/drm/omapdrm/dss/hdmi4_cec.c b/drivers/gpu/drm/omapdrm/dss/hdmi4_cec.c index 340383150fb9..ebf9c96d43ee 100644 --- a/drivers/gpu/drm/omapdrm/dss/hdmi4_cec.c +++ b/drivers/gpu/drm/omapdrm/dss/hdmi4_cec.c @@ -175,6 +175,7 @@ static int hdmi_cec_adap_enable(struct cec_adapter *adap, bool enable) REG_FLD_MOD(core->base, HDMI_CORE_SYS_INTR_UNMASK4, 0, 3, 3); hdmi_wp_clear_irqenable(core->wp, HDMI_IRQ_CORE); hdmi_wp_set_irqstatus(core->wp, HDMI_IRQ_CORE); + REG_FLD_MOD(core->wp->base, HDMI_WP_CLK, 0, 5, 0); hdmi4_core_disable(core); return 0; } @@ -182,16 +183,24 @@ static int hdmi_cec_adap_enable(struct cec_adapter *adap, bool enable) if (err) return err; + /* + * Initialize CEC clock divider: CEC needs 2MHz clock hence + * set the divider to 24 to get 48/24=2MHz clock + */ + REG_FLD_MOD(core->wp->base, HDMI_WP_CLK, 0x18, 5, 0); + /* Clear TX FIFO */ if (!hdmi_cec_clear_tx_fifo(adap)) { pr_err("cec-%s: could not clear TX FIFO\n", adap->name); - return -EIO; + err = -EIO; + goto err_disable_clk; } /* Clear RX FIFO */ if (!hdmi_cec_clear_rx_fifo(adap)) { pr_err("cec-%s: could not clear RX FIFO\n", adap->name); - return -EIO; + err = -EIO; + goto err_disable_clk; } /* Clear CEC interrupts */ @@ -236,6 +245,12 @@ static int hdmi_cec_adap_enable(struct cec_adapter *adap, bool enable) hdmi_write_reg(core->base, HDMI_CEC_INT_STATUS_1, temp); } return 0; + +err_disable_clk: + REG_FLD_MOD(core->wp->base, HDMI_WP_CLK, 0, 5, 0); + hdmi4_core_disable(core); + + return err; } static int hdmi_cec_adap_log_addr(struct cec_adapter *adap, u8 log_addr) @@ -333,11 +348,8 @@ int hdmi4_cec_init(struct platform_device *pdev, struct hdmi_core_data *core, return ret; core->wp = wp; - /* - * Initialize CEC clock divider: CEC needs 2MHz clock hence - * set the devider to 24 to get 48/24=2MHz clock - */ - REG_FLD_MOD(core->wp->base, HDMI_WP_CLK, 0x18, 5, 0); + /* Disable clock initially, hdmi_cec_adap_enable() manages it */ + REG_FLD_MOD(core->wp->base, HDMI_WP_CLK, 0, 5, 0); ret = cec_register_adapter(core->adap, &pdev->dev); if (ret < 0) { diff --git a/drivers/gpu/drm/omapdrm/dss/hdmi4_core.c b/drivers/gpu/drm/omapdrm/dss/hdmi4_core.c index 813ba42f2753..e384b95ad857 100644 --- a/drivers/gpu/drm/omapdrm/dss/hdmi4_core.c +++ b/drivers/gpu/drm/omapdrm/dss/hdmi4_core.c @@ -708,7 +708,7 @@ int hdmi4_audio_config(struct hdmi_core_data *core, struct hdmi_wp_data *wp, else acore.i2s_cfg.justification = HDMI_AUDIO_JUSTIFY_RIGHT; /* - * The I2S input word length is twice the lenght given in the IEC-60958 + * The I2S input word length is twice the length given in the IEC-60958 * status word. If the word size is greater than * 20 bits, increment by one. */ diff --git a/drivers/gpu/drm/qxl/qxl_drv.c b/drivers/gpu/drm/qxl/qxl_drv.c index 578d867a81d5..f33e349c4ec5 100644 --- a/drivers/gpu/drm/qxl/qxl_drv.c +++ b/drivers/gpu/drm/qxl/qxl_drv.c @@ -255,10 +255,14 @@ static struct drm_driver qxl_driver = { #if defined(CONFIG_DEBUG_FS) .debugfs_init = qxl_debugfs_init, #endif + .prime_handle_to_fd = drm_gem_prime_handle_to_fd, + .prime_fd_to_handle = drm_gem_prime_fd_to_handle, .gem_prime_export = drm_gem_prime_export, .gem_prime_import = drm_gem_prime_import, .gem_prime_pin = qxl_gem_prime_pin, .gem_prime_unpin = qxl_gem_prime_unpin, + .gem_prime_get_sg_table = qxl_gem_prime_get_sg_table, + .gem_prime_import_sg_table = qxl_gem_prime_import_sg_table, .gem_prime_vmap = qxl_gem_prime_vmap, .gem_prime_vunmap = qxl_gem_prime_vunmap, .gem_prime_mmap = qxl_gem_prime_mmap, diff --git a/drivers/gpu/drm/qxl/qxl_prime.c b/drivers/gpu/drm/qxl/qxl_prime.c index 8b448eca1cd9..114653b471c6 100644 --- a/drivers/gpu/drm/qxl/qxl_prime.c +++ b/drivers/gpu/drm/qxl/qxl_prime.c @@ -42,6 +42,18 @@ void qxl_gem_prime_unpin(struct drm_gem_object *obj) qxl_bo_unpin(bo); } +struct sg_table *qxl_gem_prime_get_sg_table(struct drm_gem_object *obj) +{ + return ERR_PTR(-ENOSYS); +} + +struct drm_gem_object *qxl_gem_prime_import_sg_table( + struct drm_device *dev, struct dma_buf_attachment *attach, + struct sg_table *table) +{ + return ERR_PTR(-ENOSYS); +} + void *qxl_gem_prime_vmap(struct drm_gem_object *obj) { struct qxl_bo *bo = gem_to_qxl_bo(obj); diff --git a/drivers/gpu/drm/scheduler/sched_main.c b/drivers/gpu/drm/scheduler/sched_main.c index 19fc601c9eeb..a1bec2779e76 100644 --- a/drivers/gpu/drm/scheduler/sched_main.c +++ b/drivers/gpu/drm/scheduler/sched_main.c @@ -366,10 +366,9 @@ void drm_sched_increase_karma(struct drm_sched_job *bad) EXPORT_SYMBOL(drm_sched_increase_karma); /** - * drm_sched_hw_job_reset - stop the scheduler if it contains the bad job + * drm_sched_stop - stop the scheduler * * @sched: scheduler instance - * @bad: bad scheduler job * */ void drm_sched_stop(struct drm_gpu_scheduler *sched) diff --git a/drivers/gpu/drm/sun4i/sun4i_drv.c b/drivers/gpu/drm/sun4i/sun4i_drv.c index 3ebd9f5e2719..29258b404e54 100644 --- a/drivers/gpu/drm/sun4i/sun4i_drv.c +++ b/drivers/gpu/drm/sun4i/sun4i_drv.c @@ -16,6 +16,7 @@ #include <linux/of_reserved_mem.h> #include <drm/drmP.h> +#include <drm/drm_atomic_helper.h> #include <drm/drm_fb_cma_helper.h> #include <drm/drm_fb_helper.h> #include <drm/drm_gem_cma_helper.h> @@ -85,6 +86,8 @@ static int sun4i_drv_bind(struct device *dev) ret = -ENOMEM; goto free_drm; } + + dev_set_drvdata(dev, drm); drm->dev_private = drv; INIT_LIST_HEAD(&drv->frontend_list); INIT_LIST_HEAD(&drv->engine_list); @@ -144,8 +147,12 @@ static void sun4i_drv_unbind(struct device *dev) drm_dev_unregister(drm); drm_kms_helper_poll_fini(drm); + drm_atomic_helper_shutdown(drm); drm_mode_config_cleanup(drm); + + component_unbind_all(dev, NULL); of_reserved_mem_device_release(dev); + drm_dev_put(drm); } @@ -395,6 +402,8 @@ static int sun4i_drv_probe(struct platform_device *pdev) static int sun4i_drv_remove(struct platform_device *pdev) { + component_master_del(&pdev->dev, &sun4i_drv_master_ops); + return 0; } diff --git a/drivers/gpu/drm/sun4i/sun8i_dw_hdmi.c b/drivers/gpu/drm/sun4i/sun8i_dw_hdmi.c index dc47720c99ba..39d8509d96a0 100644 --- a/drivers/gpu/drm/sun4i/sun8i_dw_hdmi.c +++ b/drivers/gpu/drm/sun4i/sun8i_dw_hdmi.c @@ -48,8 +48,13 @@ static enum drm_mode_status sun8i_dw_hdmi_mode_valid_h6(struct drm_connector *connector, const struct drm_display_mode *mode) { - /* This is max for HDMI 2.0b (4K@60Hz) */ - if (mode->clock > 594000) + /* + * Controller support maximum of 594 MHz, which correlates to + * 4K@60Hz 4:4:4 or RGB. However, for frequencies greater than + * 340 MHz scrambling has to be enabled. Because scrambling is + * not yet implemented, just limit to 340 MHz for now. + */ + if (mode->clock > 340000) return MODE_CLOCK_HIGH; return MODE_OK; diff --git a/drivers/gpu/drm/sun4i/sun8i_tcon_top.c b/drivers/gpu/drm/sun4i/sun8i_tcon_top.c index fc36e0c10a37..b1e7c76e9c17 100644 --- a/drivers/gpu/drm/sun4i/sun8i_tcon_top.c +++ b/drivers/gpu/drm/sun4i/sun8i_tcon_top.c @@ -227,7 +227,7 @@ static int sun8i_tcon_top_bind(struct device *dev, struct device *master, err_unregister_gates: for (i = 0; i < CLK_NUM; i++) - if (clk_data->hws[i]) + if (!IS_ERR_OR_NULL(clk_data->hws[i])) clk_hw_unregister_gate(clk_data->hws[i]); clk_disable_unprepare(tcon_top->bus); err_assert_reset: @@ -245,7 +245,8 @@ static void sun8i_tcon_top_unbind(struct device *dev, struct device *master, of_clk_del_provider(dev->of_node); for (i = 0; i < CLK_NUM; i++) - clk_hw_unregister_gate(clk_data->hws[i]); + if (clk_data->hws[i]) + clk_hw_unregister_gate(clk_data->hws[i]); clk_disable_unprepare(tcon_top->bus); reset_control_assert(tcon_top->rst); diff --git a/drivers/gpu/drm/tegra/hdmi.c b/drivers/gpu/drm/tegra/hdmi.c index 47c55974756d..d23c4bfde790 100644 --- a/drivers/gpu/drm/tegra/hdmi.c +++ b/drivers/gpu/drm/tegra/hdmi.c @@ -1260,9 +1260,15 @@ static void tegra_hdmi_encoder_enable(struct drm_encoder *encoder) hdmi->dvi = !tegra_output_is_hdmi(output); if (!hdmi->dvi) { - err = tegra_hdmi_setup_audio(hdmi); - if (err < 0) - hdmi->dvi = true; + /* + * Make sure that the audio format has been configured before + * enabling audio, otherwise we may try to divide by zero. + */ + if (hdmi->format.sample_rate > 0) { + err = tegra_hdmi_setup_audio(hdmi); + if (err < 0) + hdmi->dvi = true; + } } if (hdmi->config->has_hda) diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c index 3f56647cdb35..1a01669b159a 100644 --- a/drivers/gpu/drm/ttm/ttm_bo.c +++ b/drivers/gpu/drm/ttm/ttm_bo.c @@ -49,9 +49,8 @@ static void ttm_bo_global_kobj_release(struct kobject *kobj); * ttm_global_mutex - protecting the global BO state */ DEFINE_MUTEX(ttm_global_mutex); -struct ttm_bo_global ttm_bo_glob = { - .use_count = 0 -}; +unsigned ttm_bo_glob_use_count; +struct ttm_bo_global ttm_bo_glob; static struct attribute ttm_bo_count = { .name = "bo_count", @@ -876,8 +875,10 @@ static int ttm_bo_add_move_fence(struct ttm_buffer_object *bo, reservation_object_add_shared_fence(bo->resv, fence); ret = reservation_object_reserve_shared(bo->resv, 1); - if (unlikely(ret)) + if (unlikely(ret)) { + dma_fence_put(fence); return ret; + } dma_fence_put(bo->moving); bo->moving = fence; @@ -1529,12 +1530,13 @@ static void ttm_bo_global_release(void) struct ttm_bo_global *glob = &ttm_bo_glob; mutex_lock(&ttm_global_mutex); - if (--glob->use_count > 0) + if (--ttm_bo_glob_use_count > 0) goto out; kobject_del(&glob->kobj); kobject_put(&glob->kobj); ttm_mem_global_release(&ttm_mem_glob); + memset(glob, 0, sizeof(*glob)); out: mutex_unlock(&ttm_global_mutex); } @@ -1546,7 +1548,7 @@ static int ttm_bo_global_init(void) unsigned i; mutex_lock(&ttm_global_mutex); - if (++glob->use_count > 1) + if (++ttm_bo_glob_use_count > 1) goto out; ret = ttm_mem_global_init(&ttm_mem_glob); diff --git a/drivers/gpu/drm/ttm/ttm_memory.c b/drivers/gpu/drm/ttm/ttm_memory.c index f1567c353b54..9a0909decb36 100644 --- a/drivers/gpu/drm/ttm/ttm_memory.c +++ b/drivers/gpu/drm/ttm/ttm_memory.c @@ -461,8 +461,8 @@ out_no_zone: void ttm_mem_global_release(struct ttm_mem_global *glob) { - unsigned int i; struct ttm_mem_zone *zone; + unsigned int i; /* let the page allocator first stop the shrink work. */ ttm_page_alloc_fini(); @@ -475,9 +475,10 @@ void ttm_mem_global_release(struct ttm_mem_global *glob) zone = glob->zones[i]; kobject_del(&zone->kobj); kobject_put(&zone->kobj); - } + } kobject_del(&glob->kobj); kobject_put(&glob->kobj); + memset(glob, 0, sizeof(*glob)); } static void ttm_check_swapping(struct ttm_mem_global *glob) diff --git a/drivers/gpu/drm/ttm/ttm_page_alloc.c b/drivers/gpu/drm/ttm/ttm_page_alloc.c index f841accc2c00..627f8dc91d0e 100644 --- a/drivers/gpu/drm/ttm/ttm_page_alloc.c +++ b/drivers/gpu/drm/ttm/ttm_page_alloc.c @@ -730,9 +730,10 @@ static void ttm_put_pages(struct page **pages, unsigned npages, int flags, } #ifdef CONFIG_TRANSPARENT_HUGEPAGE - if (!(flags & TTM_PAGE_FLAG_DMA32)) { - for (j = 0; j < HPAGE_PMD_NR; ++j) - if (p++ != pages[i + j]) + if (!(flags & TTM_PAGE_FLAG_DMA32) && + (npages - i) >= HPAGE_PMD_NR) { + for (j = 1; j < HPAGE_PMD_NR; ++j) + if (++p != pages[i + j]) break; if (j == HPAGE_PMD_NR) @@ -759,15 +760,15 @@ static void ttm_put_pages(struct page **pages, unsigned npages, int flags, unsigned max_size, n2free; spin_lock_irqsave(&huge->lock, irq_flags); - while (i < npages) { + while ((npages - i) >= HPAGE_PMD_NR) { struct page *p = pages[i]; unsigned j; if (!p) break; - for (j = 0; j < HPAGE_PMD_NR; ++j) - if (p++ != pages[i + j]) + for (j = 1; j < HPAGE_PMD_NR; ++j) + if (++p != pages[i + j]) break; if (j != HPAGE_PMD_NR) diff --git a/drivers/gpu/drm/udl/udl_drv.c b/drivers/gpu/drm/udl/udl_drv.c index 22cd2d13e272..ff47f890e6ad 100644 --- a/drivers/gpu/drm/udl/udl_drv.c +++ b/drivers/gpu/drm/udl/udl_drv.c @@ -52,6 +52,7 @@ static struct drm_driver driver = { .driver_features = DRIVER_MODESET | DRIVER_GEM | DRIVER_PRIME, .load = udl_driver_load, .unload = udl_driver_unload, + .release = udl_driver_release, /* gem hooks */ .gem_free_object_unlocked = udl_gem_free_object, diff --git a/drivers/gpu/drm/udl/udl_drv.h b/drivers/gpu/drm/udl/udl_drv.h index e9e9b1ff678e..4ae67d882eae 100644 --- a/drivers/gpu/drm/udl/udl_drv.h +++ b/drivers/gpu/drm/udl/udl_drv.h @@ -104,6 +104,7 @@ void udl_urb_completion(struct urb *urb); int udl_driver_load(struct drm_device *dev, unsigned long flags); void udl_driver_unload(struct drm_device *dev); +void udl_driver_release(struct drm_device *dev); int udl_fbdev_init(struct drm_device *dev); void udl_fbdev_cleanup(struct drm_device *dev); diff --git a/drivers/gpu/drm/udl/udl_main.c b/drivers/gpu/drm/udl/udl_main.c index 9086d0d1b880..1f8ef34ade24 100644 --- a/drivers/gpu/drm/udl/udl_main.c +++ b/drivers/gpu/drm/udl/udl_main.c @@ -379,6 +379,12 @@ void udl_driver_unload(struct drm_device *dev) udl_free_urb_list(dev); udl_fbdev_cleanup(dev); - udl_modeset_cleanup(dev); kfree(udl); } + +void udl_driver_release(struct drm_device *dev) +{ + udl_modeset_cleanup(dev); + drm_dev_fini(dev); + kfree(dev); +} diff --git a/drivers/gpu/drm/vc4/vc4_crtc.c b/drivers/gpu/drm/vc4/vc4_crtc.c index 730008d3da76..1baa10e94484 100644 --- a/drivers/gpu/drm/vc4/vc4_crtc.c +++ b/drivers/gpu/drm/vc4/vc4_crtc.c @@ -1042,7 +1042,7 @@ static void vc4_crtc_reset(struct drm_crtc *crtc) { if (crtc->state) - __drm_atomic_helper_crtc_destroy_state(crtc->state); + vc4_crtc_destroy_state(crtc, crtc->state); crtc->state = kzalloc(sizeof(struct vc4_crtc_state), GFP_KERNEL); if (crtc->state) diff --git a/drivers/gpu/drm/virtio/virtgpu_drv.c b/drivers/gpu/drm/virtio/virtgpu_drv.c index b996ac1d4fcc..af92964b6889 100644 --- a/drivers/gpu/drm/virtio/virtgpu_drv.c +++ b/drivers/gpu/drm/virtio/virtgpu_drv.c @@ -205,10 +205,14 @@ static struct drm_driver driver = { #if defined(CONFIG_DEBUG_FS) .debugfs_init = virtio_gpu_debugfs_init, #endif + .prime_handle_to_fd = drm_gem_prime_handle_to_fd, + .prime_fd_to_handle = drm_gem_prime_fd_to_handle, .gem_prime_export = drm_gem_prime_export, .gem_prime_import = drm_gem_prime_import, .gem_prime_pin = virtgpu_gem_prime_pin, .gem_prime_unpin = virtgpu_gem_prime_unpin, + .gem_prime_get_sg_table = virtgpu_gem_prime_get_sg_table, + .gem_prime_import_sg_table = virtgpu_gem_prime_import_sg_table, .gem_prime_vmap = virtgpu_gem_prime_vmap, .gem_prime_vunmap = virtgpu_gem_prime_vunmap, .gem_prime_mmap = virtgpu_gem_prime_mmap, diff --git a/drivers/gpu/drm/virtio/virtgpu_drv.h b/drivers/gpu/drm/virtio/virtgpu_drv.h index 3238fdf58eb4..d577cb76f5ad 100644 --- a/drivers/gpu/drm/virtio/virtgpu_drv.h +++ b/drivers/gpu/drm/virtio/virtgpu_drv.h @@ -354,6 +354,10 @@ int virtio_gpu_object_wait(struct virtio_gpu_object *bo, bool no_wait); /* virtgpu_prime.c */ int virtgpu_gem_prime_pin(struct drm_gem_object *obj); void virtgpu_gem_prime_unpin(struct drm_gem_object *obj); +struct sg_table *virtgpu_gem_prime_get_sg_table(struct drm_gem_object *obj); +struct drm_gem_object *virtgpu_gem_prime_import_sg_table( + struct drm_device *dev, struct dma_buf_attachment *attach, + struct sg_table *sgt); void *virtgpu_gem_prime_vmap(struct drm_gem_object *obj); void virtgpu_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr); int virtgpu_gem_prime_mmap(struct drm_gem_object *obj, diff --git a/drivers/gpu/drm/virtio/virtgpu_prime.c b/drivers/gpu/drm/virtio/virtgpu_prime.c index c59ec34c80a5..eb51a78e1199 100644 --- a/drivers/gpu/drm/virtio/virtgpu_prime.c +++ b/drivers/gpu/drm/virtio/virtgpu_prime.c @@ -39,6 +39,18 @@ void virtgpu_gem_prime_unpin(struct drm_gem_object *obj) WARN_ONCE(1, "not implemented"); } +struct sg_table *virtgpu_gem_prime_get_sg_table(struct drm_gem_object *obj) +{ + return ERR_PTR(-ENODEV); +} + +struct drm_gem_object *virtgpu_gem_prime_import_sg_table( + struct drm_device *dev, struct dma_buf_attachment *attach, + struct sg_table *table) +{ + return ERR_PTR(-ENODEV); +} + void *virtgpu_gem_prime_vmap(struct drm_gem_object *obj) { struct virtio_gpu_object *bo = gem_to_virtio_gpu_obj(obj); diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c index 6165fe2c4504..1bfa353d995c 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c @@ -546,29 +546,13 @@ static void vmw_get_initial_size(struct vmw_private *dev_priv) } /** - * vmw_assume_iommu - Figure out whether coherent dma-remapping might be - * taking place. - * @dev: Pointer to the struct drm_device. - * - * Return: true if iommu present, false otherwise. - */ -static bool vmw_assume_iommu(struct drm_device *dev) -{ - const struct dma_map_ops *ops = get_dma_ops(dev->dev); - - return !dma_is_direct(ops) && ops && - ops->map_page != dma_direct_map_page; -} - -/** * vmw_dma_select_mode - Determine how DMA mappings should be set up for this * system. * * @dev_priv: Pointer to a struct vmw_private * - * This functions tries to determine the IOMMU setup and what actions - * need to be taken by the driver to make system pages visible to the - * device. + * This functions tries to determine what actions need to be taken by the + * driver to make system pages visible to the device. * If this function decides that DMA is not possible, it returns -EINVAL. * The driver may then try to disable features of the device that require * DMA. @@ -578,23 +562,16 @@ static int vmw_dma_select_mode(struct vmw_private *dev_priv) static const char *names[vmw_dma_map_max] = { [vmw_dma_phys] = "Using physical TTM page addresses.", [vmw_dma_alloc_coherent] = "Using coherent TTM pages.", - [vmw_dma_map_populate] = "Keeping DMA mappings.", + [vmw_dma_map_populate] = "Caching DMA mappings.", [vmw_dma_map_bind] = "Giving up DMA mappings early."}; if (vmw_force_coherent) dev_priv->map_mode = vmw_dma_alloc_coherent; - else if (vmw_assume_iommu(dev_priv->dev)) - dev_priv->map_mode = vmw_dma_map_populate; - else if (!vmw_force_iommu) - dev_priv->map_mode = vmw_dma_phys; - else if (IS_ENABLED(CONFIG_SWIOTLB) && swiotlb_nr_tbl()) - dev_priv->map_mode = vmw_dma_alloc_coherent; + else if (vmw_restrict_iommu) + dev_priv->map_mode = vmw_dma_map_bind; else dev_priv->map_mode = vmw_dma_map_populate; - if (dev_priv->map_mode == vmw_dma_map_populate && vmw_restrict_iommu) - dev_priv->map_mode = vmw_dma_map_bind; - /* No TTM coherent page pool? FIXME: Ask TTM instead! */ if (!(IS_ENABLED(CONFIG_SWIOTLB) || IS_ENABLED(CONFIG_INTEL_IOMMU)) && (dev_priv->map_mode == vmw_dma_alloc_coherent)) diff --git a/drivers/gpu/host1x/hw/channel_hw.c b/drivers/gpu/host1x/hw/channel_hw.c index 27101c04a827..0c0eb43abf65 100644 --- a/drivers/gpu/host1x/hw/channel_hw.c +++ b/drivers/gpu/host1x/hw/channel_hw.c @@ -115,8 +115,12 @@ static inline void synchronize_syncpt_base(struct host1x_job *job) static void host1x_channel_set_streamid(struct host1x_channel *channel) { #if HOST1X_HW >= 6 + u32 sid = 0x7f; +#ifdef CONFIG_IOMMU_API struct iommu_fwspec *spec = dev_iommu_fwspec_get(channel->dev->parent); - u32 sid = spec ? spec->ids[0] & 0xffff : 0x7f; + if (spec) + sid = spec->ids[0] & 0xffff; +#endif host1x_ch_writel(channel, sid, HOST1X_CHANNEL_SMMU_STREAMID); #endif diff --git a/drivers/gpu/ipu-v3/ipu-dp.c b/drivers/gpu/ipu-v3/ipu-dp.c index 9b2b3fa479c4..5e44ff1f2085 100644 --- a/drivers/gpu/ipu-v3/ipu-dp.c +++ b/drivers/gpu/ipu-v3/ipu-dp.c @@ -195,7 +195,8 @@ int ipu_dp_setup_channel(struct ipu_dp *dp, ipu_dp_csc_init(flow, flow->foreground.in_cs, flow->out_cs, DP_COM_CONF_CSC_DEF_BOTH); } else { - if (flow->foreground.in_cs == flow->out_cs) + if (flow->foreground.in_cs == IPUV3_COLORSPACE_UNKNOWN || + flow->foreground.in_cs == flow->out_cs) /* * foreground identical to output, apply color * conversion on background @@ -261,6 +262,8 @@ void ipu_dp_disable_channel(struct ipu_dp *dp, bool sync) struct ipu_dp_priv *priv = flow->priv; u32 reg, csc; + dp->in_cs = IPUV3_COLORSPACE_UNKNOWN; + if (!dp->foreground) return; @@ -268,8 +271,9 @@ void ipu_dp_disable_channel(struct ipu_dp *dp, bool sync) reg = readl(flow->base + DP_COM_CONF); csc = reg & DP_COM_CONF_CSC_DEF_MASK; - if (csc == DP_COM_CONF_CSC_DEF_FG) - reg &= ~DP_COM_CONF_CSC_DEF_MASK; + reg &= ~DP_COM_CONF_CSC_DEF_MASK; + if (csc == DP_COM_CONF_CSC_DEF_BOTH || csc == DP_COM_CONF_CSC_DEF_BG) + reg |= DP_COM_CONF_CSC_DEF_BG; reg &= ~DP_COM_CONF_FG_EN; writel(reg, flow->base + DP_COM_CONF); @@ -347,6 +351,8 @@ int ipu_dp_init(struct ipu_soc *ipu, struct device *dev, unsigned long base) mutex_init(&priv->mutex); for (i = 0; i < IPUV3_NUM_FLOWS; i++) { + priv->flow[i].background.in_cs = IPUV3_COLORSPACE_UNKNOWN; + priv->flow[i].foreground.in_cs = IPUV3_COLORSPACE_UNKNOWN; priv->flow[i].foreground.foreground = true; priv->flow[i].base = priv->base + ipu_dp_flow_base[i]; priv->flow[i].priv = priv; diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig index 6ca8d322b487..4ca0cdfa6b33 100644 --- a/drivers/hid/Kconfig +++ b/drivers/hid/Kconfig @@ -150,6 +150,7 @@ config HID_ASUS tristate "Asus" depends on LEDS_CLASS depends on ASUS_WMI || ASUS_WMI=n + select POWER_SUPPLY ---help--- Support for Asus notebook built-in keyboard and touchpad via i2c, and the Asus Republic of Gamers laptop keyboard special keys. diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index 9993b692598f..860e21ec6a49 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -1301,10 +1301,10 @@ static u32 __extract(u8 *report, unsigned offset, int n) u32 hid_field_extract(const struct hid_device *hid, u8 *report, unsigned offset, unsigned n) { - if (n > 32) { - hid_warn(hid, "hid_field_extract() called with n (%d) > 32! (%s)\n", + if (n > 256) { + hid_warn(hid, "hid_field_extract() called with n (%d) > 256! (%s)\n", n, current->comm); - n = 32; + n = 256; } return __extract(report, offset, n); diff --git a/drivers/hid/hid-debug.c b/drivers/hid/hid-debug.c index ac9fda1b5a72..1384e57182af 100644 --- a/drivers/hid/hid-debug.c +++ b/drivers/hid/hid-debug.c @@ -1060,10 +1060,15 @@ static int hid_debug_rdesc_show(struct seq_file *f, void *p) seq_printf(f, "\n\n"); /* dump parsed data and input mappings */ + if (down_interruptible(&hdev->driver_input_lock)) + return 0; + hid_dump_device(hdev, f); seq_printf(f, "\n"); hid_dump_input_mapping(hdev, f); + up(&hdev->driver_input_lock); + return 0; } diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h index b6d93f4ad037..adce58f24f76 100644 --- a/drivers/hid/hid-ids.h +++ b/drivers/hid/hid-ids.h @@ -1083,6 +1083,7 @@ #define USB_DEVICE_ID_SYNAPTICS_HD 0x0ac3 #define USB_DEVICE_ID_SYNAPTICS_QUAD_HD 0x1ac3 #define USB_DEVICE_ID_SYNAPTICS_TP_V103 0x5710 +#define I2C_DEVICE_ID_SYNAPTICS_7E7E 0x7e7e #define USB_VENDOR_ID_TEXAS_INSTRUMENTS 0x2047 #define USB_DEVICE_ID_TEXAS_INSTRUMENTS_LENOVO_YOGA 0x0855 diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c index b10b1922c5bd..b607286a0bc8 100644 --- a/drivers/hid/hid-input.c +++ b/drivers/hid/hid-input.c @@ -680,6 +680,14 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel break; } + if ((usage->hid & 0xf0) == 0xb0) { /* SC - Display */ + switch (usage->hid & 0xf) { + case 0x05: map_key_clear(KEY_SWITCHVIDEOMODE); break; + default: goto ignore; + } + break; + } + /* * Some lazy vendors declare 255 usages for System Control, * leading to the creation of ABS_X|Y axis and too many others. @@ -902,7 +910,7 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel case 0x06a: map_key_clear(KEY_GREEN); break; case 0x06b: map_key_clear(KEY_BLUE); break; case 0x06c: map_key_clear(KEY_YELLOW); break; - case 0x06d: map_key_clear(KEY_ZOOM); break; + case 0x06d: map_key_clear(KEY_ASPECT_RATIO); break; case 0x06f: map_key_clear(KEY_BRIGHTNESSUP); break; case 0x070: map_key_clear(KEY_BRIGHTNESSDOWN); break; @@ -911,6 +919,10 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel case 0x074: map_key_clear(KEY_BRIGHTNESS_MAX); break; case 0x075: map_key_clear(KEY_BRIGHTNESS_AUTO); break; + case 0x079: map_key_clear(KEY_KBDILLUMUP); break; + case 0x07a: map_key_clear(KEY_KBDILLUMDOWN); break; + case 0x07c: map_key_clear(KEY_KBDILLUMTOGGLE); break; + case 0x082: map_key_clear(KEY_VIDEO_NEXT); break; case 0x083: map_key_clear(KEY_LAST); break; case 0x084: map_key_clear(KEY_ENTER); break; @@ -998,6 +1010,7 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel case 0x1b8: map_key_clear(KEY_VIDEO); break; case 0x1bc: map_key_clear(KEY_MESSENGER); break; case 0x1bd: map_key_clear(KEY_INFO); break; + case 0x1cb: map_key_clear(KEY_ASSISTANT); break; case 0x201: map_key_clear(KEY_NEW); break; case 0x202: map_key_clear(KEY_OPEN); break; case 0x203: map_key_clear(KEY_CLOSE); break; @@ -1021,6 +1034,7 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel case 0x22d: map_key_clear(KEY_ZOOMIN); break; case 0x22e: map_key_clear(KEY_ZOOMOUT); break; case 0x22f: map_key_clear(KEY_ZOOMRESET); break; + case 0x232: map_key_clear(KEY_FULL_SCREEN); break; case 0x233: map_key_clear(KEY_SCROLLUP); break; case 0x234: map_key_clear(KEY_SCROLLDOWN); break; case 0x238: /* AC Pan */ @@ -1044,6 +1058,8 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel case 0x2cb: map_key_clear(KEY_KBDINPUTASSIST_ACCEPT); break; case 0x2cc: map_key_clear(KEY_KBDINPUTASSIST_CANCEL); break; + case 0x29f: map_key_clear(KEY_SCALE); break; + default: map_key_clear(KEY_UNKNOWN); } break; diff --git a/drivers/hid/hid-logitech-hidpp.c b/drivers/hid/hid-logitech-hidpp.c index 15ed6177a7a3..199cc256e9d9 100644 --- a/drivers/hid/hid-logitech-hidpp.c +++ b/drivers/hid/hid-logitech-hidpp.c @@ -2111,6 +2111,13 @@ static int hidpp_ff_init(struct hidpp_device *hidpp, u8 feature_index) kfree(data); return -ENOMEM; } + data->wq = create_singlethread_workqueue("hidpp-ff-sendqueue"); + if (!data->wq) { + kfree(data->effect_ids); + kfree(data); + return -ENOMEM; + } + data->hidpp = hidpp; data->feature_index = feature_index; data->version = version; @@ -2155,7 +2162,6 @@ static int hidpp_ff_init(struct hidpp_device *hidpp, u8 feature_index) /* ignore boost value at response.fap.params[2] */ /* init the hardware command queue */ - data->wq = create_singlethread_workqueue("hidpp-ff-sendqueue"); atomic_set(&data->workqueue_size, 0); /* initialize with zero autocenter to get wheel in usable state */ @@ -2608,8 +2614,9 @@ static int m560_raw_event(struct hid_device *hdev, u8 *data, int size) input_report_rel(mydata->input, REL_Y, v); v = hid_snto32(data[6], 8); - hidpp_scroll_counter_handle_scroll( - &hidpp->vertical_wheel_counter, v); + if (v != 0) + hidpp_scroll_counter_handle_scroll( + &hidpp->vertical_wheel_counter, v); input_sync(mydata->input); } diff --git a/drivers/hid/hid-quirks.c b/drivers/hid/hid-quirks.c index 953908f2267c..77ffba48cc73 100644 --- a/drivers/hid/hid-quirks.c +++ b/drivers/hid/hid-quirks.c @@ -715,7 +715,6 @@ static const struct hid_device_id hid_ignore_list[] = { { HID_USB_DEVICE(USB_VENDOR_ID_DEALEXTREAME, USB_DEVICE_ID_DEALEXTREAME_RADIO_SI4701) }, { HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EARTHMATE) }, { HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EM_LT20) }, - { HID_I2C_DEVICE(USB_VENDOR_ID_ELAN, 0x0400) }, { HID_USB_DEVICE(USB_VENDOR_ID_ESSENTIAL_REALITY, USB_DEVICE_ID_ESSENTIAL_REALITY_P5) }, { HID_USB_DEVICE(USB_VENDOR_ID_ETT, USB_DEVICE_ID_TC5UH) }, { HID_USB_DEVICE(USB_VENDOR_ID_ETT, USB_DEVICE_ID_TC4UM) }, @@ -855,7 +854,7 @@ static const struct hid_device_id hid_ignore_list[] = { { } }; -/** +/* * hid_mouse_ignore_list - mouse devices which should not be handled by the hid layer * * There are composite devices for which we want to ignore only a certain @@ -996,6 +995,10 @@ bool hid_ignore(struct hid_device *hdev) if (hdev->product == 0x0401 && strncmp(hdev->name, "ELAN0800", 8) != 0) return true; + /* Same with product id 0x0400 */ + if (hdev->product == 0x0400 && + strncmp(hdev->name, "QTEC0001", 8) != 0) + return true; break; } @@ -1042,7 +1045,7 @@ static struct hid_device_id *hid_exists_dquirk(const struct hid_device *hdev) } if (bl_entry != NULL) - dbg_hid("Found dynamic quirk 0x%lx for HID device 0x%hx:0x%hx\n", + dbg_hid("Found dynamic quirk 0x%lx for HID device 0x%04x:0x%04x\n", bl_entry->driver_data, bl_entry->vendor, bl_entry->product); @@ -1209,7 +1212,7 @@ static unsigned long hid_gets_squirk(const struct hid_device *hdev) quirks |= bl_entry->driver_data; if (quirks) - dbg_hid("Found squirk 0x%lx for HID device 0x%hx:0x%hx\n", + dbg_hid("Found squirk 0x%lx for HID device 0x%04x:0x%04x\n", quirks, hdev->vendor, hdev->product); return quirks; } diff --git a/drivers/hid/hid-steam.c b/drivers/hid/hid-steam.c index 8141cadfca0e..8dae0f9b819e 100644 --- a/drivers/hid/hid-steam.c +++ b/drivers/hid/hid-steam.c @@ -499,6 +499,7 @@ static void steam_battery_unregister(struct steam_device *steam) static int steam_register(struct steam_device *steam) { int ret; + bool client_opened; /* * This function can be called several times in a row with the @@ -511,9 +512,11 @@ static int steam_register(struct steam_device *steam) * Unlikely, but getting the serial could fail, and it is not so * important, so make up a serial number and go on. */ + mutex_lock(&steam->mutex); if (steam_get_serial(steam) < 0) strlcpy(steam->serial_no, "XXXXXXXXXX", sizeof(steam->serial_no)); + mutex_unlock(&steam->mutex); hid_info(steam->hdev, "Steam Controller '%s' connected", steam->serial_no); @@ -528,13 +531,15 @@ static int steam_register(struct steam_device *steam) } mutex_lock(&steam->mutex); - if (!steam->client_opened) { + client_opened = steam->client_opened; + if (!client_opened) steam_set_lizard_mode(steam, lizard_mode); + mutex_unlock(&steam->mutex); + + if (!client_opened) ret = steam_input_register(steam); - } else { + else ret = 0; - } - mutex_unlock(&steam->mutex); return ret; } @@ -630,14 +635,21 @@ static void steam_client_ll_close(struct hid_device *hdev) { struct steam_device *steam = hdev->driver_data; + unsigned long flags; + bool connected; + + spin_lock_irqsave(&steam->lock, flags); + connected = steam->connected; + spin_unlock_irqrestore(&steam->lock, flags); + mutex_lock(&steam->mutex); steam->client_opened = false; + if (connected) + steam_set_lizard_mode(steam, lizard_mode); mutex_unlock(&steam->mutex); - if (steam->connected) { - steam_set_lizard_mode(steam, lizard_mode); + if (connected) steam_input_register(steam); - } } static int steam_client_ll_raw_request(struct hid_device *hdev, diff --git a/drivers/hid/hid-uclogic-params.c b/drivers/hid/hid-uclogic-params.c index 7710d9f957da..0187c9f8fc22 100644 --- a/drivers/hid/hid-uclogic-params.c +++ b/drivers/hid/hid-uclogic-params.c @@ -735,10 +735,6 @@ static int uclogic_params_huion_init(struct uclogic_params *params, goto cleanup; } rc = usb_string(udev, 201, ver_ptr, ver_len); - if (ver_ptr == NULL) { - rc = -ENOMEM; - goto cleanup; - } if (rc == -EPIPE) { *ver_ptr = '\0'; } else if (rc < 0) { diff --git a/drivers/hid/i2c-hid/i2c-hid-core.c b/drivers/hid/i2c-hid/i2c-hid-core.c index 90164fed08d3..4d1f24ee249c 100644 --- a/drivers/hid/i2c-hid/i2c-hid-core.c +++ b/drivers/hid/i2c-hid/i2c-hid-core.c @@ -184,6 +184,8 @@ static const struct i2c_hid_quirks { I2C_HID_QUIRK_NO_RUNTIME_PM }, { USB_VENDOR_ID_ELAN, HID_ANY_ID, I2C_HID_QUIRK_BOGUS_IRQ }, + { USB_VENDOR_ID_SYNAPTICS, I2C_DEVICE_ID_SYNAPTICS_7E7E, + I2C_HID_QUIRK_NO_RUNTIME_PM }, { 0, 0 } }; diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig index 6f929bfa9fcd..d0f1dfe2bcbb 100644 --- a/drivers/hwmon/Kconfig +++ b/drivers/hwmon/Kconfig @@ -1759,6 +1759,7 @@ config SENSORS_VT8231 config SENSORS_W83773G tristate "Nuvoton W83773G" depends on I2C + select REGMAP_I2C help If you say yes here you get support for the Nuvoton W83773G hardware monitoring chip. diff --git a/drivers/hwmon/ntc_thermistor.c b/drivers/hwmon/ntc_thermistor.c index e4f9f7ce92fa..f9abeeeead9e 100644 --- a/drivers/hwmon/ntc_thermistor.c +++ b/drivers/hwmon/ntc_thermistor.c @@ -640,7 +640,7 @@ static const struct hwmon_channel_info ntc_chip = { }; static const u32 ntc_temp_config[] = { - HWMON_T_INPUT, HWMON_T_TYPE, + HWMON_T_INPUT | HWMON_T_TYPE, 0 }; diff --git a/drivers/hwmon/occ/common.c b/drivers/hwmon/occ/common.c index b91a80abf724..4679acb4918e 100644 --- a/drivers/hwmon/occ/common.c +++ b/drivers/hwmon/occ/common.c @@ -890,6 +890,8 @@ static int occ_setup_sensor_attrs(struct occ *occ) s++; } } + + s = (sensors->power.num_sensors * 4) + 1; } else { for (i = 0; i < sensors->power.num_sensors; ++i) { s = i + 1; @@ -918,11 +920,11 @@ static int occ_setup_sensor_attrs(struct occ *occ) show_power, NULL, 3, i); attr++; } - } - if (sensors->caps.num_sensors >= 1) { s = sensors->power.num_sensors + 1; + } + if (sensors->caps.num_sensors >= 1) { snprintf(attr->name, sizeof(attr->name), "power%d_label", s); attr->sensor = OCC_INIT_ATTR(attr->name, 0444, show_caps, NULL, 0, 0); diff --git a/drivers/i2c/busses/i2c-designware-master.c b/drivers/i2c/busses/i2c-designware-master.c index bb8e3f149979..d464799e40a3 100644 --- a/drivers/i2c/busses/i2c-designware-master.c +++ b/drivers/i2c/busses/i2c-designware-master.c @@ -426,8 +426,7 @@ i2c_dw_xfer(struct i2c_adapter *adap, struct i2c_msg msgs[], int num) pm_runtime_get_sync(dev->dev); - if (dev->suspended) { - dev_err(dev->dev, "Error %s call while suspended\n", __func__); + if (dev_WARN_ONCE(dev->dev, dev->suspended, "Transfer while suspended\n")) { ret = -ESHUTDOWN; goto done_nolock; } diff --git a/drivers/i2c/busses/i2c-imx.c b/drivers/i2c/busses/i2c-imx.c index 42fed40198a0..fd70b110e8f4 100644 --- a/drivers/i2c/busses/i2c-imx.c +++ b/drivers/i2c/busses/i2c-imx.c @@ -515,9 +515,9 @@ static int i2c_imx_clk_notifier_call(struct notifier_block *nb, unsigned long action, void *data) { struct clk_notifier_data *ndata = data; - struct imx_i2c_struct *i2c_imx = container_of(&ndata->clk, + struct imx_i2c_struct *i2c_imx = container_of(nb, struct imx_i2c_struct, - clk); + clk_change_nb); if (action & POST_RATE_CHANGE) i2c_imx_set_clk(i2c_imx, ndata->new_rate); @@ -1169,11 +1169,13 @@ static int i2c_imx_probe(struct platform_device *pdev) /* Init DMA config if supported */ ret = i2c_imx_dma_request(i2c_imx, phy_addr); if (ret < 0) - goto clk_notifier_unregister; + goto del_adapter; dev_info(&i2c_imx->adapter.dev, "IMX I2C adapter registered\n"); return 0; /* Return OK */ +del_adapter: + i2c_del_adapter(&i2c_imx->adapter); clk_notifier_unregister: clk_notifier_unregister(i2c_imx->clk, &i2c_imx->clk_change_nb); rpm_disable: diff --git a/drivers/i2c/busses/i2c-synquacer.c b/drivers/i2c/busses/i2c-synquacer.c index d18b0941b71a..f14d4b3fab44 100644 --- a/drivers/i2c/busses/i2c-synquacer.c +++ b/drivers/i2c/busses/i2c-synquacer.c @@ -597,6 +597,8 @@ static int synquacer_i2c_probe(struct platform_device *pdev) i2c->adapter = synquacer_i2c_ops; i2c_set_adapdata(&i2c->adapter, i2c); i2c->adapter.dev.parent = &pdev->dev; + i2c->adapter.dev.of_node = pdev->dev.of_node; + ACPI_COMPANION_SET(&i2c->adapter.dev, ACPI_COMPANION(&pdev->dev)); i2c->adapter.nr = pdev->id; init_completion(&i2c->completion); diff --git a/drivers/i2c/i2c-core-base.c b/drivers/i2c/i2c-core-base.c index 38af18645133..688aa3b5f3ac 100644 --- a/drivers/i2c/i2c-core-base.c +++ b/drivers/i2c/i2c-core-base.c @@ -185,7 +185,7 @@ static int i2c_generic_bus_free(struct i2c_adapter *adap) int i2c_generic_scl_recovery(struct i2c_adapter *adap) { struct i2c_bus_recovery_info *bri = adap->bus_recovery_info; - int i = 0, scl = 1, ret; + int i = 0, scl = 1, ret = 0; if (bri->prepare_recovery) bri->prepare_recovery(adap); @@ -327,6 +327,8 @@ static int i2c_device_probe(struct device *dev) if (client->flags & I2C_CLIENT_HOST_NOTIFY) { dev_dbg(dev, "Using Host Notify IRQ\n"); + /* Keep adapter active when Host Notify is required */ + pm_runtime_get_sync(&client->adapter->dev); irq = i2c_smbus_host_notify_to_irq(client); } else if (dev->of_node) { irq = of_irq_get_byname(dev->of_node, "irq"); @@ -431,6 +433,8 @@ static int i2c_device_remove(struct device *dev) device_init_wakeup(&client->dev, false); client->irq = client->init_irq; + if (client->flags & I2C_CLIENT_HOST_NOTIFY) + pm_runtime_put(&client->adapter->dev); return status; } diff --git a/drivers/i3c/master.c b/drivers/i3c/master.c index 2dc628d4f1ae..1412abcff010 100644 --- a/drivers/i3c/master.c +++ b/drivers/i3c/master.c @@ -1980,7 +1980,6 @@ of_i3c_master_add_i3c_boardinfo(struct i3c_master_controller *master, { struct i3c_dev_boardinfo *boardinfo; struct device *dev = &master->dev; - struct i3c_device_info info = { }; enum i3c_addr_slot_status addrstatus; u32 init_dyn_addr = 0; @@ -2012,8 +2011,8 @@ of_i3c_master_add_i3c_boardinfo(struct i3c_master_controller *master, boardinfo->pid = ((u64)reg[1] << 32) | reg[2]; - if ((info.pid & GENMASK_ULL(63, 48)) || - I3C_PID_RND_LOWER_32BITS(info.pid)) + if ((boardinfo->pid & GENMASK_ULL(63, 48)) || + I3C_PID_RND_LOWER_32BITS(boardinfo->pid)) return -EINVAL; boardinfo->init_dyn_addr = init_dyn_addr; diff --git a/drivers/i3c/master/dw-i3c-master.c b/drivers/i3c/master/dw-i3c-master.c index 59279224e07f..10c26ffaa8ef 100644 --- a/drivers/i3c/master/dw-i3c-master.c +++ b/drivers/i3c/master/dw-i3c-master.c @@ -300,7 +300,7 @@ to_dw_i3c_master(struct i3c_master_controller *master) static void dw_i3c_master_disable(struct dw_i3c_master *master) { - writel(readl(master->regs + DEVICE_CTRL) & DEV_CTRL_ENABLE, + writel(readl(master->regs + DEVICE_CTRL) & ~DEV_CTRL_ENABLE, master->regs + DEVICE_CTRL); } diff --git a/drivers/ide/tx4939ide.c b/drivers/ide/tx4939ide.c index 67d4a7d4acc8..88d132edc4e3 100644 --- a/drivers/ide/tx4939ide.c +++ b/drivers/ide/tx4939ide.c @@ -156,7 +156,6 @@ static u16 tx4939ide_check_error_ints(ide_hwif_t *hwif) u16 sysctl = tx4939ide_readw(base, TX4939IDE_Sys_Ctl); tx4939ide_writew(sysctl | 0x4000, base, TX4939IDE_Sys_Ctl); - mmiowb(); /* wait 12GBUSCLK (typ. 60ns @ GBUS200MHz, max 270ns) */ ndelay(270); tx4939ide_writew(sysctl, base, TX4939IDE_Sys_Ctl); @@ -396,7 +395,6 @@ static void tx4939ide_init_hwif(ide_hwif_t *hwif) /* Soft Reset */ tx4939ide_writew(0x8000, base, TX4939IDE_Sys_Ctl); - mmiowb(); /* at least 20 GBUSCLK (typ. 100ns @ GBUS200MHz, max 450ns) */ ndelay(450); tx4939ide_writew(0x0000, base, TX4939IDE_Sys_Ctl); diff --git a/drivers/iio/accel/kxcjk-1013.c b/drivers/iio/accel/kxcjk-1013.c index 7096e577b23f..50f3ff386bea 100644 --- a/drivers/iio/accel/kxcjk-1013.c +++ b/drivers/iio/accel/kxcjk-1013.c @@ -1437,6 +1437,8 @@ static int kxcjk1013_resume(struct device *dev) mutex_lock(&data->mutex); ret = kxcjk1013_set_mode(data, OPERATION); + if (ret == 0) + ret = kxcjk1013_set_range(data, data->range); mutex_unlock(&data->mutex); return ret; diff --git a/drivers/iio/adc/ad_sigma_delta.c b/drivers/iio/adc/ad_sigma_delta.c index ff5f2da2e1b1..54d9978b2740 100644 --- a/drivers/iio/adc/ad_sigma_delta.c +++ b/drivers/iio/adc/ad_sigma_delta.c @@ -121,6 +121,7 @@ static int ad_sd_read_reg_raw(struct ad_sigma_delta *sigma_delta, if (sigma_delta->info->has_registers) { data[0] = reg << sigma_delta->info->addr_shift; data[0] |= sigma_delta->info->read_mask; + data[0] |= sigma_delta->comm; spi_message_add_tail(&t[0], &m); } spi_message_add_tail(&t[1], &m); diff --git a/drivers/iio/adc/at91_adc.c b/drivers/iio/adc/at91_adc.c index 75d2f73582a3..596841a3c4db 100644 --- a/drivers/iio/adc/at91_adc.c +++ b/drivers/iio/adc/at91_adc.c @@ -704,23 +704,29 @@ static int at91_adc_read_raw(struct iio_dev *idev, ret = wait_event_interruptible_timeout(st->wq_data_avail, st->done, msecs_to_jiffies(1000)); - if (ret == 0) - ret = -ETIMEDOUT; - if (ret < 0) { - mutex_unlock(&st->lock); - return ret; - } - - *val = st->last_value; + /* Disable interrupts, regardless if adc conversion was + * successful or not + */ at91_adc_writel(st, AT91_ADC_CHDR, AT91_ADC_CH(chan->channel)); at91_adc_writel(st, AT91_ADC_IDR, BIT(chan->channel)); - st->last_value = 0; - st->done = false; + if (ret > 0) { + /* a valid conversion took place */ + *val = st->last_value; + st->last_value = 0; + st->done = false; + ret = IIO_VAL_INT; + } else if (ret == 0) { + /* conversion timeout */ + dev_err(&idev->dev, "ADC Channel %d timeout.\n", + chan->channel); + ret = -ETIMEDOUT; + } + mutex_unlock(&st->lock); - return IIO_VAL_INT; + return ret; case IIO_CHAN_INFO_SCALE: *val = st->vref_mv; diff --git a/drivers/iio/adc/xilinx-xadc-core.c b/drivers/iio/adc/xilinx-xadc-core.c index b13c61539d46..6401ca7a9a20 100644 --- a/drivers/iio/adc/xilinx-xadc-core.c +++ b/drivers/iio/adc/xilinx-xadc-core.c @@ -1292,6 +1292,7 @@ static int xadc_probe(struct platform_device *pdev) err_free_irq: free_irq(xadc->irq, indio_dev); + cancel_delayed_work_sync(&xadc->zynq_unmask_work); err_clk_disable_unprepare: clk_disable_unprepare(xadc->clk); err_free_samplerate_trigger: @@ -1321,8 +1322,8 @@ static int xadc_remove(struct platform_device *pdev) iio_triggered_buffer_cleanup(indio_dev); } free_irq(xadc->irq, indio_dev); + cancel_delayed_work_sync(&xadc->zynq_unmask_work); clk_disable_unprepare(xadc->clk); - cancel_delayed_work(&xadc->zynq_unmask_work); kfree(xadc->data); kfree(indio_dev->channels); diff --git a/drivers/iio/chemical/Kconfig b/drivers/iio/chemical/Kconfig index d5d146e9e372..92c684d2b67e 100644 --- a/drivers/iio/chemical/Kconfig +++ b/drivers/iio/chemical/Kconfig @@ -64,6 +64,7 @@ config IAQCORE config PMS7003 tristate "Plantower PMS7003 particulate matter sensor" depends on SERIAL_DEV_BUS + select IIO_TRIGGERED_BUFFER help Say Y here to build support for the Plantower PMS7003 particulate matter sensor. @@ -71,6 +72,19 @@ config PMS7003 To compile this driver as a module, choose M here: the module will be called pms7003. +config SENSIRION_SGP30 + tristate "Sensirion SGPxx gas sensors" + depends on I2C + select CRC8 + help + Say Y here to build I2C interface support for the following + Sensirion SGP gas sensors: + * SGP30 gas sensor + * SGPC3 low power gas sensor + + To compile this driver as module, choose M here: the + module will be called sgp30. + config SPS30 tristate "SPS30 particulate matter sensor" depends on I2C diff --git a/drivers/iio/chemical/bme680.h b/drivers/iio/chemical/bme680.h index 0ae89b87e2d6..4edc5d21cb9f 100644 --- a/drivers/iio/chemical/bme680.h +++ b/drivers/iio/chemical/bme680.h @@ -2,11 +2,9 @@ #ifndef BME680_H_ #define BME680_H_ -#define BME680_REG_CHIP_I2C_ID 0xD0 -#define BME680_REG_CHIP_SPI_ID 0x50 +#define BME680_REG_CHIP_ID 0xD0 #define BME680_CHIP_ID_VAL 0x61 -#define BME680_REG_SOFT_RESET_I2C 0xE0 -#define BME680_REG_SOFT_RESET_SPI 0x60 +#define BME680_REG_SOFT_RESET 0xE0 #define BME680_CMD_SOFTRESET 0xB6 #define BME680_REG_STATUS 0x73 #define BME680_SPI_MEM_PAGE_BIT BIT(4) diff --git a/drivers/iio/chemical/bme680_core.c b/drivers/iio/chemical/bme680_core.c index 70c1fe4366f4..ccde4c65ff93 100644 --- a/drivers/iio/chemical/bme680_core.c +++ b/drivers/iio/chemical/bme680_core.c @@ -63,9 +63,23 @@ struct bme680_data { s32 t_fine; }; +static const struct regmap_range bme680_volatile_ranges[] = { + regmap_reg_range(BME680_REG_MEAS_STAT_0, BME680_REG_GAS_R_LSB), + regmap_reg_range(BME680_REG_STATUS, BME680_REG_STATUS), + regmap_reg_range(BME680_T2_LSB_REG, BME680_GH3_REG), +}; + +static const struct regmap_access_table bme680_volatile_table = { + .yes_ranges = bme680_volatile_ranges, + .n_yes_ranges = ARRAY_SIZE(bme680_volatile_ranges), +}; + const struct regmap_config bme680_regmap_config = { .reg_bits = 8, .val_bits = 8, + .max_register = 0xef, + .volatile_table = &bme680_volatile_table, + .cache_type = REGCACHE_RBTREE, }; EXPORT_SYMBOL(bme680_regmap_config); @@ -316,6 +330,10 @@ static s16 bme680_compensate_temp(struct bme680_data *data, s64 var1, var2, var3; s16 calc_temp; + /* If the calibration is invalid, attempt to reload it */ + if (!calib->par_t2) + bme680_read_calib(data, calib); + var1 = (adc_temp >> 3) - (calib->par_t1 << 1); var2 = (var1 * calib->par_t2) >> 11; var3 = ((var1 >> 1) * (var1 >> 1)) >> 12; @@ -583,8 +601,7 @@ static int bme680_gas_config(struct bme680_data *data) return ret; } -static int bme680_read_temp(struct bme680_data *data, - int *val, int *val2) +static int bme680_read_temp(struct bme680_data *data, int *val) { struct device *dev = regmap_get_device(data->regmap); int ret; @@ -617,10 +634,9 @@ static int bme680_read_temp(struct bme680_data *data, * compensate_press/compensate_humid to get compensated * pressure/humidity readings. */ - if (val && val2) { - *val = comp_temp; - *val2 = 100; - return IIO_VAL_FRACTIONAL; + if (val) { + *val = comp_temp * 10; /* Centidegrees to millidegrees */ + return IIO_VAL_INT; } return ret; @@ -635,7 +651,7 @@ static int bme680_read_press(struct bme680_data *data, s32 adc_press; /* Read and compensate temperature to get a reading of t_fine */ - ret = bme680_read_temp(data, NULL, NULL); + ret = bme680_read_temp(data, NULL); if (ret < 0) return ret; @@ -668,7 +684,7 @@ static int bme680_read_humid(struct bme680_data *data, u32 comp_humidity; /* Read and compensate temperature to get a reading of t_fine */ - ret = bme680_read_temp(data, NULL, NULL); + ret = bme680_read_temp(data, NULL); if (ret < 0) return ret; @@ -761,7 +777,7 @@ static int bme680_read_raw(struct iio_dev *indio_dev, case IIO_CHAN_INFO_PROCESSED: switch (chan->type) { case IIO_TEMP: - return bme680_read_temp(data, val, val2); + return bme680_read_temp(data, val); case IIO_PRESSURE: return bme680_read_press(data, val, val2); case IIO_HUMIDITYRELATIVE: @@ -867,8 +883,28 @@ int bme680_core_probe(struct device *dev, struct regmap *regmap, { struct iio_dev *indio_dev; struct bme680_data *data; + unsigned int val; int ret; + ret = regmap_write(regmap, BME680_REG_SOFT_RESET, + BME680_CMD_SOFTRESET); + if (ret < 0) { + dev_err(dev, "Failed to reset chip\n"); + return ret; + } + + ret = regmap_read(regmap, BME680_REG_CHIP_ID, &val); + if (ret < 0) { + dev_err(dev, "Error reading chip ID\n"); + return ret; + } + + if (val != BME680_CHIP_ID_VAL) { + dev_err(dev, "Wrong chip ID, got %x expected %x\n", + val, BME680_CHIP_ID_VAL); + return -ENODEV; + } + indio_dev = devm_iio_device_alloc(dev, sizeof(*data)); if (!indio_dev) return -ENOMEM; diff --git a/drivers/iio/chemical/bme680_i2c.c b/drivers/iio/chemical/bme680_i2c.c index b2f805b6b36a..de9c9e3d23ea 100644 --- a/drivers/iio/chemical/bme680_i2c.c +++ b/drivers/iio/chemical/bme680_i2c.c @@ -23,8 +23,6 @@ static int bme680_i2c_probe(struct i2c_client *client, { struct regmap *regmap; const char *name = NULL; - unsigned int val; - int ret; regmap = devm_regmap_init_i2c(client, &bme680_regmap_config); if (IS_ERR(regmap)) { @@ -33,25 +31,6 @@ static int bme680_i2c_probe(struct i2c_client *client, return PTR_ERR(regmap); } - ret = regmap_write(regmap, BME680_REG_SOFT_RESET_I2C, - BME680_CMD_SOFTRESET); - if (ret < 0) { - dev_err(&client->dev, "Failed to reset chip\n"); - return ret; - } - - ret = regmap_read(regmap, BME680_REG_CHIP_I2C_ID, &val); - if (ret < 0) { - dev_err(&client->dev, "Error reading I2C chip ID\n"); - return ret; - } - - if (val != BME680_CHIP_ID_VAL) { - dev_err(&client->dev, "Wrong chip ID, got %x expected %x\n", - val, BME680_CHIP_ID_VAL); - return -ENODEV; - } - if (id) name = id->name; diff --git a/drivers/iio/chemical/bme680_spi.c b/drivers/iio/chemical/bme680_spi.c index d0b7bdd3f066..3b838068a7e4 100644 --- a/drivers/iio/chemical/bme680_spi.c +++ b/drivers/iio/chemical/bme680_spi.c @@ -12,28 +12,93 @@ #include "bme680.h" +struct bme680_spi_bus_context { + struct spi_device *spi; + u8 current_page; +}; + +/* + * In SPI mode there are only 7 address bits, a "page" register determines + * which part of the 8-bit range is active. This function looks at the address + * and writes the page selection bit if needed + */ +static int bme680_regmap_spi_select_page( + struct bme680_spi_bus_context *ctx, u8 reg) +{ + struct spi_device *spi = ctx->spi; + int ret; + u8 buf[2]; + u8 page = (reg & 0x80) ? 0 : 1; /* Page "1" is low range */ + + if (page == ctx->current_page) + return 0; + + /* + * Data sheet claims we're only allowed to change bit 4, so we must do + * a read-modify-write on each and every page select + */ + buf[0] = BME680_REG_STATUS; + ret = spi_write_then_read(spi, buf, 1, buf + 1, 1); + if (ret < 0) { + dev_err(&spi->dev, "failed to set page %u\n", page); + return ret; + } + + buf[0] = BME680_REG_STATUS; + if (page) + buf[1] |= BME680_SPI_MEM_PAGE_BIT; + else + buf[1] &= ~BME680_SPI_MEM_PAGE_BIT; + + ret = spi_write(spi, buf, 2); + if (ret < 0) { + dev_err(&spi->dev, "failed to set page %u\n", page); + return ret; + } + + ctx->current_page = page; + + return 0; +} + static int bme680_regmap_spi_write(void *context, const void *data, size_t count) { - struct spi_device *spi = context; + struct bme680_spi_bus_context *ctx = context; + struct spi_device *spi = ctx->spi; + int ret; u8 buf[2]; memcpy(buf, data, 2); + + ret = bme680_regmap_spi_select_page(ctx, buf[0]); + if (ret) + return ret; + /* * The SPI register address (= full register address without bit 7) * and the write command (bit7 = RW = '0') */ buf[0] &= ~0x80; - return spi_write_then_read(spi, buf, 2, NULL, 0); + return spi_write(spi, buf, 2); } static int bme680_regmap_spi_read(void *context, const void *reg, size_t reg_size, void *val, size_t val_size) { - struct spi_device *spi = context; + struct bme680_spi_bus_context *ctx = context; + struct spi_device *spi = ctx->spi; + int ret; + u8 addr = *(const u8 *)reg; + + ret = bme680_regmap_spi_select_page(ctx, addr); + if (ret) + return ret; - return spi_write_then_read(spi, reg, reg_size, val, val_size); + addr |= 0x80; /* bit7 = RW = '1' */ + + return spi_write_then_read(spi, &addr, 1, val, val_size); } static struct regmap_bus bme680_regmap_bus = { @@ -46,8 +111,8 @@ static struct regmap_bus bme680_regmap_bus = { static int bme680_spi_probe(struct spi_device *spi) { const struct spi_device_id *id = spi_get_device_id(spi); + struct bme680_spi_bus_context *bus_context; struct regmap *regmap; - unsigned int val; int ret; spi->bits_per_word = 8; @@ -57,45 +122,21 @@ static int bme680_spi_probe(struct spi_device *spi) return ret; } + bus_context = devm_kzalloc(&spi->dev, sizeof(*bus_context), GFP_KERNEL); + if (!bus_context) + return -ENOMEM; + + bus_context->spi = spi; + bus_context->current_page = 0xff; /* Undefined on warm boot */ + regmap = devm_regmap_init(&spi->dev, &bme680_regmap_bus, - &spi->dev, &bme680_regmap_config); + bus_context, &bme680_regmap_config); if (IS_ERR(regmap)) { dev_err(&spi->dev, "Failed to register spi regmap %d\n", (int)PTR_ERR(regmap)); return PTR_ERR(regmap); } - ret = regmap_write(regmap, BME680_REG_SOFT_RESET_SPI, - BME680_CMD_SOFTRESET); - if (ret < 0) { - dev_err(&spi->dev, "Failed to reset chip\n"); - return ret; - } - - /* after power-on reset, Page 0(0x80-0xFF) of spi_mem_page is active */ - ret = regmap_read(regmap, BME680_REG_CHIP_SPI_ID, &val); - if (ret < 0) { - dev_err(&spi->dev, "Error reading SPI chip ID\n"); - return ret; - } - - if (val != BME680_CHIP_ID_VAL) { - dev_err(&spi->dev, "Wrong chip ID, got %x expected %x\n", - val, BME680_CHIP_ID_VAL); - return -ENODEV; - } - /* - * select Page 1 of spi_mem_page to enable access to - * to registers from address 0x00 to 0x7F. - */ - ret = regmap_write_bits(regmap, BME680_REG_STATUS, - BME680_SPI_MEM_PAGE_BIT, - BME680_SPI_MEM_PAGE_1_VAL); - if (ret < 0) { - dev_err(&spi->dev, "failed to set page 1 of spi_mem_page\n"); - return ret; - } - return bme680_core_probe(&spi->dev, regmap, id->name); } diff --git a/drivers/iio/common/cros_ec_sensors/cros_ec_sensors.c b/drivers/iio/common/cros_ec_sensors/cros_ec_sensors.c index 89cb0066a6e0..8d76afb87d87 100644 --- a/drivers/iio/common/cros_ec_sensors/cros_ec_sensors.c +++ b/drivers/iio/common/cros_ec_sensors/cros_ec_sensors.c @@ -103,9 +103,10 @@ static int cros_ec_sensors_read(struct iio_dev *indio_dev, * Do not use IIO_DEGREE_TO_RAD to avoid precision * loss. Round to the nearest integer. */ - *val = div_s64(val64 * 314159 + 9000000ULL, 1000); - *val2 = 18000 << (CROS_EC_SENSOR_BITS - 1); - ret = IIO_VAL_FRACTIONAL; + *val = 0; + *val2 = div_s64(val64 * 3141592653ULL, + 180 << (CROS_EC_SENSOR_BITS - 1)); + ret = IIO_VAL_INT_PLUS_NANO; break; case MOTIONSENSE_TYPE_MAG: /* diff --git a/drivers/iio/dac/mcp4725.c b/drivers/iio/dac/mcp4725.c index 6d71fd905e29..c701a45469f6 100644 --- a/drivers/iio/dac/mcp4725.c +++ b/drivers/iio/dac/mcp4725.c @@ -92,6 +92,7 @@ static ssize_t mcp4725_store_eeprom(struct device *dev, inoutbuf[0] = 0x60; /* write EEPROM */ inoutbuf[0] |= data->ref_mode << 3; + inoutbuf[0] |= data->powerdown ? ((data->powerdown_mode + 1) << 1) : 0; inoutbuf[1] = data->dac_value >> 4; inoutbuf[2] = (data->dac_value & 0xf) << 4; diff --git a/drivers/iio/gyro/bmg160_core.c b/drivers/iio/gyro/bmg160_core.c index 63ca31628a93..92c07ab826eb 100644 --- a/drivers/iio/gyro/bmg160_core.c +++ b/drivers/iio/gyro/bmg160_core.c @@ -582,11 +582,10 @@ static int bmg160_read_raw(struct iio_dev *indio_dev, case IIO_CHAN_INFO_LOW_PASS_FILTER_3DB_FREQUENCY: return bmg160_get_filter(data, val); case IIO_CHAN_INFO_SCALE: - *val = 0; switch (chan->type) { case IIO_TEMP: - *val2 = 500000; - return IIO_VAL_INT_PLUS_MICRO; + *val = 500; + return IIO_VAL_INT; case IIO_ANGL_VEL: { int i; @@ -594,6 +593,7 @@ static int bmg160_read_raw(struct iio_dev *indio_dev, for (i = 0; i < ARRAY_SIZE(bmg160_scale_table); ++i) { if (bmg160_scale_table[i].dps_range == data->dps_range) { + *val = 0; *val2 = bmg160_scale_table[i].scale; return IIO_VAL_INT_PLUS_MICRO; } diff --git a/drivers/iio/gyro/mpu3050-core.c b/drivers/iio/gyro/mpu3050-core.c index 77fac81a3adc..5ddebede31a6 100644 --- a/drivers/iio/gyro/mpu3050-core.c +++ b/drivers/iio/gyro/mpu3050-core.c @@ -29,7 +29,8 @@ #include "mpu3050.h" -#define MPU3050_CHIP_ID 0x69 +#define MPU3050_CHIP_ID 0x68 +#define MPU3050_CHIP_ID_MASK 0x7E /* * Register map: anything suffixed *_H is a big-endian high byte and always @@ -1176,8 +1177,9 @@ int mpu3050_common_probe(struct device *dev, goto err_power_down; } - if (val != MPU3050_CHIP_ID) { - dev_err(dev, "unsupported chip id %02x\n", (u8)val); + if ((val & MPU3050_CHIP_ID_MASK) != MPU3050_CHIP_ID) { + dev_err(dev, "unsupported chip id %02x\n", + (u8)(val & MPU3050_CHIP_ID_MASK)); ret = -ENODEV; goto err_power_down; } diff --git a/drivers/iio/industrialio-buffer.c b/drivers/iio/industrialio-buffer.c index cd5bfe39591b..dadd921a4a30 100644 --- a/drivers/iio/industrialio-buffer.c +++ b/drivers/iio/industrialio-buffer.c @@ -320,9 +320,8 @@ static int iio_scan_mask_set(struct iio_dev *indio_dev, const unsigned long *mask; unsigned long *trialmask; - trialmask = kmalloc_array(BITS_TO_LONGS(indio_dev->masklength), - sizeof(*trialmask), - GFP_KERNEL); + trialmask = kcalloc(BITS_TO_LONGS(indio_dev->masklength), + sizeof(*trialmask), GFP_KERNEL); if (trialmask == NULL) return -ENOMEM; if (!indio_dev->masklength) { diff --git a/drivers/iio/industrialio-core.c b/drivers/iio/industrialio-core.c index 4700fd5d8c90..9c4d92115504 100644 --- a/drivers/iio/industrialio-core.c +++ b/drivers/iio/industrialio-core.c @@ -1743,10 +1743,10 @@ EXPORT_SYMBOL(__iio_device_register); **/ void iio_device_unregister(struct iio_dev *indio_dev) { - mutex_lock(&indio_dev->info_exist_lock); - cdev_device_del(&indio_dev->chrdev, &indio_dev->dev); + mutex_lock(&indio_dev->info_exist_lock); + iio_device_unregister_debugfs(indio_dev); iio_disable_all_buffers(indio_dev); diff --git a/drivers/infiniband/core/uverbs.h b/drivers/infiniband/core/uverbs.h index ea0bc6885517..32cc8fe7902f 100644 --- a/drivers/infiniband/core/uverbs.h +++ b/drivers/infiniband/core/uverbs.h @@ -160,6 +160,7 @@ struct ib_uverbs_file { struct mutex umap_lock; struct list_head umaps; + struct page *disassociate_page; struct idr idr; /* spinlock protects write access to idr */ diff --git a/drivers/infiniband/core/uverbs_main.c b/drivers/infiniband/core/uverbs_main.c index 70b7d80431a9..c489f545baae 100644 --- a/drivers/infiniband/core/uverbs_main.c +++ b/drivers/infiniband/core/uverbs_main.c @@ -208,6 +208,9 @@ void ib_uverbs_release_file(struct kref *ref) kref_put(&file->async_file->ref, ib_uverbs_release_async_event_file); put_device(&file->device->dev); + + if (file->disassociate_page) + __free_pages(file->disassociate_page, 0); kfree(file); } @@ -877,9 +880,50 @@ static void rdma_umap_close(struct vm_area_struct *vma) kfree(priv); } +/* + * Once the zap_vma_ptes has been called touches to the VMA will come here and + * we return a dummy writable zero page for all the pfns. + */ +static vm_fault_t rdma_umap_fault(struct vm_fault *vmf) +{ + struct ib_uverbs_file *ufile = vmf->vma->vm_file->private_data; + struct rdma_umap_priv *priv = vmf->vma->vm_private_data; + vm_fault_t ret = 0; + + if (!priv) + return VM_FAULT_SIGBUS; + + /* Read only pages can just use the system zero page. */ + if (!(vmf->vma->vm_flags & (VM_WRITE | VM_MAYWRITE))) { + vmf->page = ZERO_PAGE(vmf->address); + get_page(vmf->page); + return 0; + } + + mutex_lock(&ufile->umap_lock); + if (!ufile->disassociate_page) + ufile->disassociate_page = + alloc_pages(vmf->gfp_mask | __GFP_ZERO, 0); + + if (ufile->disassociate_page) { + /* + * This VMA is forced to always be shared so this doesn't have + * to worry about COW. + */ + vmf->page = ufile->disassociate_page; + get_page(vmf->page); + } else { + ret = VM_FAULT_SIGBUS; + } + mutex_unlock(&ufile->umap_lock); + + return ret; +} + static const struct vm_operations_struct rdma_umap_ops = { .open = rdma_umap_open, .close = rdma_umap_close, + .fault = rdma_umap_fault, }; static struct rdma_umap_priv *rdma_user_mmap_pre(struct ib_ucontext *ucontext, @@ -889,6 +933,9 @@ static struct rdma_umap_priv *rdma_user_mmap_pre(struct ib_ucontext *ucontext, struct ib_uverbs_file *ufile = ucontext->ufile; struct rdma_umap_priv *priv; + if (!(vma->vm_flags & VM_SHARED)) + return ERR_PTR(-EINVAL); + if (vma->vm_end - vma->vm_start != size) return ERR_PTR(-EINVAL); @@ -992,7 +1039,9 @@ void uverbs_user_mmap_disassociate(struct ib_uverbs_file *ufile) * at a time to get the lock ordering right. Typically there * will only be one mm, so no big deal. */ - down_write(&mm->mmap_sem); + down_read(&mm->mmap_sem); + if (!mmget_still_valid(mm)) + goto skip_mm; mutex_lock(&ufile->umap_lock); list_for_each_entry_safe (priv, next_priv, &ufile->umaps, list) { @@ -1004,10 +1053,10 @@ void uverbs_user_mmap_disassociate(struct ib_uverbs_file *ufile) zap_vma_ptes(vma, vma->vm_start, vma->vm_end - vma->vm_start); - vma->vm_flags &= ~(VM_SHARED | VM_MAYSHARE); } mutex_unlock(&ufile->umap_lock); - up_write(&mm->mmap_sem); + skip_mm: + up_read(&mm->mmap_sem); mmput(mm); } } diff --git a/drivers/infiniband/hw/hfi1/chip.c b/drivers/infiniband/hw/hfi1/chip.c index 612f04190ed8..addefae16c9c 100644 --- a/drivers/infiniband/hw/hfi1/chip.c +++ b/drivers/infiniband/hw/hfi1/chip.c @@ -8365,7 +8365,6 @@ static inline void clear_recv_intr(struct hfi1_ctxtdata *rcd) struct hfi1_devdata *dd = rcd->dd; u32 addr = CCE_INT_CLEAR + (8 * rcd->ireg); - mmiowb(); /* make sure everything before is written */ write_csr(dd, addr, rcd->imask); /* force the above write on the chip and get a value back */ (void)read_csr(dd, addr); @@ -11803,12 +11802,10 @@ void update_usrhead(struct hfi1_ctxtdata *rcd, u32 hd, u32 updegr, u32 egrhd, << RCV_EGR_INDEX_HEAD_HEAD_SHIFT; write_uctxt_csr(dd, ctxt, RCV_EGR_INDEX_HEAD, reg); } - mmiowb(); reg = ((u64)rcv_intr_count << RCV_HDR_HEAD_COUNTER_SHIFT) | (((u64)hd & RCV_HDR_HEAD_HEAD_MASK) << RCV_HDR_HEAD_HEAD_SHIFT); write_uctxt_csr(dd, ctxt, RCV_HDR_HEAD, reg); - mmiowb(); } u32 hdrqempty(struct hfi1_ctxtdata *rcd) @@ -13232,7 +13229,7 @@ static int set_up_context_variables(struct hfi1_devdata *dd) int total_contexts; int ret; unsigned ngroups; - int qos_rmt_count; + int rmt_count; int user_rmt_reduced; u32 n_usr_ctxts; u32 send_contexts = chip_send_contexts(dd); @@ -13294,10 +13291,20 @@ static int set_up_context_variables(struct hfi1_devdata *dd) n_usr_ctxts = rcv_contexts - total_contexts; } - /* each user context requires an entry in the RMT */ - qos_rmt_count = qos_rmt_entries(dd, NULL, NULL); - if (qos_rmt_count + n_usr_ctxts > NUM_MAP_ENTRIES) { - user_rmt_reduced = NUM_MAP_ENTRIES - qos_rmt_count; + /* + * The RMT entries are currently allocated as shown below: + * 1. QOS (0 to 128 entries); + * 2. FECN for PSM (num_user_contexts + num_vnic_contexts); + * 3. VNIC (num_vnic_contexts). + * It should be noted that PSM FECN oversubscribe num_vnic_contexts + * entries of RMT because both VNIC and PSM could allocate any receive + * context between dd->first_dyn_alloc_text and dd->num_rcv_contexts, + * and PSM FECN must reserve an RMT entry for each possible PSM receive + * context. + */ + rmt_count = qos_rmt_entries(dd, NULL, NULL) + (num_vnic_contexts * 2); + if (rmt_count + n_usr_ctxts > NUM_MAP_ENTRIES) { + user_rmt_reduced = NUM_MAP_ENTRIES - rmt_count; dd_dev_err(dd, "RMT size is reducing the number of user receive contexts from %u to %d\n", n_usr_ctxts, @@ -14285,9 +14292,11 @@ static void init_user_fecn_handling(struct hfi1_devdata *dd, u64 reg; int i, idx, regoff, regidx; u8 offset; + u32 total_cnt; /* there needs to be enough room in the map table */ - if (rmt->used + dd->num_user_contexts >= NUM_MAP_ENTRIES) { + total_cnt = dd->num_rcv_contexts - dd->first_dyn_alloc_ctxt; + if (rmt->used + total_cnt >= NUM_MAP_ENTRIES) { dd_dev_err(dd, "User FECN handling disabled - too many user contexts allocated\n"); return; } @@ -14341,7 +14350,7 @@ static void init_user_fecn_handling(struct hfi1_devdata *dd, /* add rule 1 */ add_rsm_rule(dd, RSM_INS_FECN, &rrd); - rmt->used += dd->num_user_contexts; + rmt->used += total_cnt; } /* Initialize RSM for VNIC */ diff --git a/drivers/infiniband/hw/hfi1/pio.c b/drivers/infiniband/hw/hfi1/pio.c index a1de566fe95e..16ba9d52e1b9 100644 --- a/drivers/infiniband/hw/hfi1/pio.c +++ b/drivers/infiniband/hw/hfi1/pio.c @@ -1578,7 +1578,6 @@ void hfi1_sc_wantpiobuf_intr(struct send_context *sc, u32 needint) sc_del_credit_return_intr(sc); trace_hfi1_wantpiointr(sc, needint, sc->credit_ctrl); if (needint) { - mmiowb(); sc_return_credits(sc); } } diff --git a/drivers/infiniband/hw/hfi1/qp.c b/drivers/infiniband/hw/hfi1/qp.c index 9b643c2409cf..eba300330a02 100644 --- a/drivers/infiniband/hw/hfi1/qp.c +++ b/drivers/infiniband/hw/hfi1/qp.c @@ -898,7 +898,9 @@ void notify_error_qp(struct rvt_qp *qp) if (!list_empty(&priv->s_iowait.list) && !(qp->s_flags & RVT_S_BUSY) && !(priv->s_flags & RVT_S_BUSY)) { - qp->s_flags &= ~RVT_S_ANY_WAIT_IO; + qp->s_flags &= ~HFI1_S_ANY_WAIT_IO; + iowait_clear_flag(&priv->s_iowait, IOWAIT_PENDING_IB); + iowait_clear_flag(&priv->s_iowait, IOWAIT_PENDING_TID); list_del_init(&priv->s_iowait.list); priv->s_iowait.lock = NULL; rvt_put_qp(qp); diff --git a/drivers/infiniband/hw/hfi1/rc.c b/drivers/infiniband/hw/hfi1/rc.c index e6726c1ab866..5991211d72bd 100644 --- a/drivers/infiniband/hw/hfi1/rc.c +++ b/drivers/infiniband/hw/hfi1/rc.c @@ -3088,7 +3088,7 @@ send_last: update_ack_queue(qp, next); } e = &qp->s_ack_queue[qp->r_head_ack_queue]; - if (e->opcode == OP(RDMA_READ_REQUEST) && e->rdma_sge.mr) { + if (e->rdma_sge.mr) { rvt_put_mr(e->rdma_sge.mr); e->rdma_sge.mr = NULL; } @@ -3166,7 +3166,7 @@ send_last: update_ack_queue(qp, next); } e = &qp->s_ack_queue[qp->r_head_ack_queue]; - if (e->opcode == OP(RDMA_READ_REQUEST) && e->rdma_sge.mr) { + if (e->rdma_sge.mr) { rvt_put_mr(e->rdma_sge.mr); e->rdma_sge.mr = NULL; } diff --git a/drivers/infiniband/hw/hfi1/tid_rdma.c b/drivers/infiniband/hw/hfi1/tid_rdma.c index fdda33aca77f..43cbce7a19ea 100644 --- a/drivers/infiniband/hw/hfi1/tid_rdma.c +++ b/drivers/infiniband/hw/hfi1/tid_rdma.c @@ -5017,24 +5017,14 @@ int hfi1_make_tid_rdma_pkt(struct rvt_qp *qp, struct hfi1_pkt_state *ps) make_tid_rdma_ack(qp, ohdr, ps)) return 1; - if (!(ib_rvt_state_ops[qp->state] & RVT_PROCESS_SEND_OK)) { - if (!(ib_rvt_state_ops[qp->state] & RVT_FLUSH_SEND)) - goto bail; - /* We are in the error state, flush the work request. */ - if (qp->s_last == READ_ONCE(qp->s_head)) - goto bail; - /* If DMAs are in progress, we can't flush immediately. */ - if (iowait_sdma_pending(&priv->s_iowait)) { - qp->s_flags |= RVT_S_WAIT_DMA; - goto bail; - } - clear_ahg(qp); - wqe = rvt_get_swqe_ptr(qp, qp->s_last); - hfi1_trdma_send_complete(qp, wqe, qp->s_last != qp->s_acked ? - IB_WC_SUCCESS : IB_WC_WR_FLUSH_ERR); - /* will get called again */ - goto done_free_tx; - } + /* + * Bail out if we can't send data. + * Be reminded that this check must been done after the call to + * make_tid_rdma_ack() because the responding QP could be in + * RTR state where it can send TID RDMA ACK, not TID RDMA WRITE DATA. + */ + if (!(ib_rvt_state_ops[qp->state] & RVT_PROCESS_SEND_OK)) + goto bail; if (priv->s_flags & RVT_S_WAIT_ACK) goto bail; @@ -5144,11 +5134,6 @@ int hfi1_make_tid_rdma_pkt(struct rvt_qp *qp, struct hfi1_pkt_state *ps) hfi1_make_ruc_header(qp, ohdr, (opcode << 24), bth1, bth2, middle, ps); return 1; -done_free_tx: - hfi1_put_txreq(ps->s_txreq); - ps->s_txreq = NULL; - return 1; - bail: hfi1_put_txreq(ps->s_txreq); bail_no_tx: diff --git a/drivers/infiniband/hw/hns/hns_roce_hem.c b/drivers/infiniband/hw/hns/hns_roce_hem.c index f1fec56f3ff4..8e29dbb5b5fb 100644 --- a/drivers/infiniband/hw/hns/hns_roce_hem.c +++ b/drivers/infiniband/hw/hns/hns_roce_hem.c @@ -792,6 +792,8 @@ void *hns_roce_table_find(struct hns_roce_dev *hr_dev, idx_offset = (obj & (table->num_obj - 1)) % obj_per_chunk; dma_offset = offset = idx_offset * table->obj_size; } else { + u32 seg_size = 64; /* 8 bytes per BA and 8 BA per segment */ + hns_roce_calc_hem_mhop(hr_dev, table, &mhop_obj, &mhop); /* mtt mhop */ i = mhop.l0_idx; @@ -803,8 +805,8 @@ void *hns_roce_table_find(struct hns_roce_dev *hr_dev, hem_idx = i; hem = table->hem[hem_idx]; - dma_offset = offset = (obj & (table->num_obj - 1)) * - table->obj_size % mhop.bt_chunk_size; + dma_offset = offset = (obj & (table->num_obj - 1)) * seg_size % + mhop.bt_chunk_size; if (mhop.hop_num == 2) dma_offset = offset = 0; } diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v1.c b/drivers/infiniband/hw/hns/hns_roce_hw_v1.c index 97515c340134..c8555f7704d8 100644 --- a/drivers/infiniband/hw/hns/hns_roce_hw_v1.c +++ b/drivers/infiniband/hw/hns/hns_roce_hw_v1.c @@ -1750,8 +1750,6 @@ static int hns_roce_v1_post_mbox(struct hns_roce_dev *hr_dev, u64 in_param, writel(val, hcr + 5); - mmiowb(); - return 0; } diff --git a/drivers/infiniband/hw/hns/hns_roce_mr.c b/drivers/infiniband/hw/hns/hns_roce_mr.c index b09f1cde2ff5..08be0e4eabcd 100644 --- a/drivers/infiniband/hw/hns/hns_roce_mr.c +++ b/drivers/infiniband/hw/hns/hns_roce_mr.c @@ -746,7 +746,6 @@ static int hns_roce_write_mtt_chunk(struct hns_roce_dev *hr_dev, struct hns_roce_hem_table *table; dma_addr_t dma_handle; __le64 *mtts; - u32 s = start_index * sizeof(u64); u32 bt_page_size; u32 i; @@ -780,7 +779,8 @@ static int hns_roce_write_mtt_chunk(struct hns_roce_dev *hr_dev, return -EINVAL; mtts = hns_roce_table_find(hr_dev, table, - mtt->first_seg + s / hr_dev->caps.mtt_entry_sz, + mtt->first_seg + + start_index / HNS_ROCE_MTT_ENTRY_PER_SEG, &dma_handle); if (!mtts) return -ENOMEM; diff --git a/drivers/infiniband/hw/hns/hns_roce_qp.c b/drivers/infiniband/hw/hns/hns_roce_qp.c index 57c76eafef2f..60cf9f03e941 100644 --- a/drivers/infiniband/hw/hns/hns_roce_qp.c +++ b/drivers/infiniband/hw/hns/hns_roce_qp.c @@ -274,9 +274,6 @@ void hns_roce_qp_free(struct hns_roce_dev *hr_dev, struct hns_roce_qp *hr_qp) wait_for_completion(&hr_qp->free); if ((hr_qp->ibqp.qp_type) != IB_QPT_GSI) { - if (hr_dev->caps.sccc_entry_sz) - hns_roce_table_put(hr_dev, &qp_table->sccc_table, - hr_qp->qpn); if (hr_dev->caps.trrl_entry_sz) hns_roce_table_put(hr_dev, &qp_table->trrl_table, hr_qp->qpn); @@ -536,7 +533,7 @@ static int hns_roce_set_kernel_sq_size(struct hns_roce_dev *hr_dev, static int hns_roce_qp_has_sq(struct ib_qp_init_attr *attr) { - if (attr->qp_type == IB_QPT_XRC_TGT) + if (attr->qp_type == IB_QPT_XRC_TGT || !attr->cap.max_send_wr) return 0; return 1; diff --git a/drivers/infiniband/hw/i40iw/i40iw_osdep.h b/drivers/infiniband/hw/i40iw/i40iw_osdep.h index f27be3e7830b..d474aad62a81 100644 --- a/drivers/infiniband/hw/i40iw/i40iw_osdep.h +++ b/drivers/infiniband/hw/i40iw/i40iw_osdep.h @@ -211,7 +211,7 @@ enum i40iw_status_code i40iw_hw_manage_vf_pble_bp(struct i40iw_device *iwdev, struct i40iw_sc_vsi; void i40iw_hw_stats_start_timer(struct i40iw_sc_vsi *vsi); void i40iw_hw_stats_stop_timer(struct i40iw_sc_vsi *vsi); -#define i40iw_mmiowb() mmiowb() +#define i40iw_mmiowb() do { } while (0) void i40iw_wr32(struct i40iw_hw *hw, u32 reg, u32 value); u32 i40iw_rd32(struct i40iw_hw *hw, u32 reg); #endif /* _I40IW_OSDEP_H_ */ diff --git a/drivers/infiniband/hw/mlx4/qp.c b/drivers/infiniband/hw/mlx4/qp.c index 429a59c5801c..9426936460f8 100644 --- a/drivers/infiniband/hw/mlx4/qp.c +++ b/drivers/infiniband/hw/mlx4/qp.c @@ -3744,12 +3744,6 @@ out: writel_relaxed(qp->doorbell_qpn, to_mdev(ibqp->device)->uar_map + MLX4_SEND_DOORBELL); - /* - * Make sure doorbells don't leak out of SQ spinlock - * and reach the HCA out of order. - */ - mmiowb(); - stamp_send_wqe(qp, ind + qp->sq_spare_wqes - 1); qp->sq_next_wqe = ind; diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c index 531ff20b32ad..d3dd290ae1b1 100644 --- a/drivers/infiniband/hw/mlx5/main.c +++ b/drivers/infiniband/hw/mlx5/main.c @@ -1119,6 +1119,8 @@ static int mlx5_ib_query_device(struct ib_device *ibdev, if (MLX5_CAP_GEN(mdev, qp_packet_based)) resp.flags |= MLX5_IB_QUERY_DEV_RESP_PACKET_BASED_CREDIT_MODE; + + resp.flags |= MLX5_IB_QUERY_DEV_RESP_FLAGS_SCAT2CQE_DCT; } if (field_avail(typeof(resp), sw_parsing_caps, @@ -2066,6 +2068,7 @@ static int mlx5_ib_mmap_clock_info_page(struct mlx5_ib_dev *dev, if (vma->vm_flags & VM_WRITE) return -EPERM; + vma->vm_flags &= ~VM_MAYWRITE; if (!dev->mdev->clock_info_page) return -EOPNOTSUPP; @@ -2231,19 +2234,18 @@ static int mlx5_ib_mmap(struct ib_ucontext *ibcontext, struct vm_area_struct *vm if (vma->vm_flags & VM_WRITE) return -EPERM; + vma->vm_flags &= ~VM_MAYWRITE; /* Don't expose to user-space information it shouldn't have */ if (PAGE_SIZE > 4096) return -EOPNOTSUPP; - vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot); pfn = (dev->mdev->iseg_base + offsetof(struct mlx5_init_seg, internal_timer_h)) >> PAGE_SHIFT; - if (io_remap_pfn_range(vma, vma->vm_start, pfn, - PAGE_SIZE, vma->vm_page_prot)) - return -EAGAIN; - break; + return rdma_user_mmap_io(&context->ibucontext, vma, pfn, + PAGE_SIZE, + pgprot_noncached(vma->vm_page_prot)); case MLX5_IB_MMAP_CLOCK_INFO: return mlx5_ib_mmap_clock_info_page(dev, vma, context); diff --git a/drivers/infiniband/hw/mlx5/odp.c b/drivers/infiniband/hw/mlx5/odp.c index c20bfc41ecf1..0aa10ebda5d9 100644 --- a/drivers/infiniband/hw/mlx5/odp.c +++ b/drivers/infiniband/hw/mlx5/odp.c @@ -585,7 +585,7 @@ static int pagefault_mr(struct mlx5_ib_dev *dev, struct mlx5_ib_mr *mr, struct ib_umem_odp *odp_mr = to_ib_umem_odp(mr->umem); bool downgrade = flags & MLX5_PF_FLAGS_DOWNGRADE; bool prefetch = flags & MLX5_PF_FLAGS_PREFETCH; - u64 access_mask = ODP_READ_ALLOWED_BIT; + u64 access_mask; u64 start_idx, page_mask; struct ib_umem_odp *odp; size_t size; @@ -607,6 +607,7 @@ next_mr: page_shift = mr->umem->page_shift; page_mask = ~(BIT(page_shift) - 1); start_idx = (io_virt - (mr->mmkey.iova & page_mask)) >> page_shift; + access_mask = ODP_READ_ALLOWED_BIT; if (prefetch && !downgrade && !mr->umem->writable) { /* prefetch with write-access must diff --git a/drivers/infiniband/hw/mlx5/qp.c b/drivers/infiniband/hw/mlx5/qp.c index 7cd006da1dae..8aafb2208899 100644 --- a/drivers/infiniband/hw/mlx5/qp.c +++ b/drivers/infiniband/hw/mlx5/qp.c @@ -1818,13 +1818,16 @@ static void configure_responder_scat_cqe(struct ib_qp_init_attr *init_attr, rcqe_sz = mlx5_ib_get_cqe_size(init_attr->recv_cq); - if (rcqe_sz == 128) { - MLX5_SET(qpc, qpc, cs_res, MLX5_RES_SCAT_DATA64_CQE); + if (init_attr->qp_type == MLX5_IB_QPT_DCT) { + if (rcqe_sz == 128) + MLX5_SET(dctc, qpc, cs_res, MLX5_RES_SCAT_DATA64_CQE); + return; } - if (init_attr->qp_type != MLX5_IB_QPT_DCT) - MLX5_SET(qpc, qpc, cs_res, MLX5_RES_SCAT_DATA32_CQE); + MLX5_SET(qpc, qpc, cs_res, + rcqe_sz == 128 ? MLX5_RES_SCAT_DATA64_CQE : + MLX5_RES_SCAT_DATA32_CQE); } static void configure_requester_scat_cqe(struct mlx5_ib_dev *dev, @@ -5123,7 +5126,6 @@ out: /* Make sure doorbells don't leak out of SQ spinlock * and reach the HCA out of order. */ - mmiowb(); bf->offset ^= bf->buf_size; } diff --git a/drivers/infiniband/hw/mthca/mthca_cmd.c b/drivers/infiniband/hw/mthca/mthca_cmd.c index 83aa47eb81a9..bdf5ed38de22 100644 --- a/drivers/infiniband/hw/mthca/mthca_cmd.c +++ b/drivers/infiniband/hw/mthca/mthca_cmd.c @@ -292,12 +292,6 @@ static int mthca_cmd_post(struct mthca_dev *dev, err = mthca_cmd_post_hcr(dev, in_param, out_param, in_modifier, op_modifier, op, token, event); - /* - * Make sure that our HCR writes don't get mixed in with - * writes from another CPU starting a FW command. - */ - mmiowb(); - mutex_unlock(&dev->cmd.hcr_mutex); return err; } diff --git a/drivers/infiniband/hw/mthca/mthca_cq.c b/drivers/infiniband/hw/mthca/mthca_cq.c index a6531ffe29a6..877a6daffa98 100644 --- a/drivers/infiniband/hw/mthca/mthca_cq.c +++ b/drivers/infiniband/hw/mthca/mthca_cq.c @@ -211,11 +211,6 @@ static inline void update_cons_index(struct mthca_dev *dev, struct mthca_cq *cq, mthca_write64(MTHCA_TAVOR_CQ_DB_INC_CI | cq->cqn, incr - 1, dev->kar + MTHCA_CQ_DOORBELL, MTHCA_GET_DOORBELL_LOCK(&dev->doorbell_lock)); - /* - * Make sure doorbells don't leak out of CQ spinlock - * and reach the HCA out of order: - */ - mmiowb(); } } diff --git a/drivers/infiniband/hw/mthca/mthca_qp.c b/drivers/infiniband/hw/mthca/mthca_qp.c index 7a5b25d13faa..d65b189f20ea 100644 --- a/drivers/infiniband/hw/mthca/mthca_qp.c +++ b/drivers/infiniband/hw/mthca/mthca_qp.c @@ -1809,11 +1809,6 @@ out: (qp->qpn << 8) | size0, dev->kar + MTHCA_SEND_DOORBELL, MTHCA_GET_DOORBELL_LOCK(&dev->doorbell_lock)); - /* - * Make sure doorbells don't leak out of SQ spinlock - * and reach the HCA out of order: - */ - mmiowb(); } qp->sq.next_ind = ind; @@ -1924,12 +1919,6 @@ out: qp->rq.next_ind = ind; qp->rq.head += nreq; - /* - * Make sure doorbells don't leak out of RQ spinlock and reach - * the HCA out of order: - */ - mmiowb(); - spin_unlock_irqrestore(&qp->rq.lock, flags); return err; } @@ -2164,12 +2153,6 @@ out: MTHCA_GET_DOORBELL_LOCK(&dev->doorbell_lock)); } - /* - * Make sure doorbells don't leak out of SQ spinlock and reach - * the HCA out of order: - */ - mmiowb(); - spin_unlock_irqrestore(&qp->sq.lock, flags); return err; } diff --git a/drivers/infiniband/hw/mthca/mthca_srq.c b/drivers/infiniband/hw/mthca/mthca_srq.c index 06b920385512..a85935ccce88 100644 --- a/drivers/infiniband/hw/mthca/mthca_srq.c +++ b/drivers/infiniband/hw/mthca/mthca_srq.c @@ -570,12 +570,6 @@ int mthca_tavor_post_srq_recv(struct ib_srq *ibsrq, const struct ib_recv_wr *wr, MTHCA_GET_DOORBELL_LOCK(&dev->doorbell_lock)); } - /* - * Make sure doorbells don't leak out of SRQ spinlock and - * reach the HCA out of order: - */ - mmiowb(); - spin_unlock_irqrestore(&srq->lock, flags); return err; } diff --git a/drivers/infiniband/hw/qedr/verbs.c b/drivers/infiniband/hw/qedr/verbs.c index 59ad4202422c..8686a98e113d 100644 --- a/drivers/infiniband/hw/qedr/verbs.c +++ b/drivers/infiniband/hw/qedr/verbs.c @@ -773,9 +773,6 @@ static void doorbell_cq(struct qedr_cq *cq, u32 cons, u8 flags) cq->db.data.agg_flags = flags; cq->db.data.value = cpu_to_le32(cons); writeq(cq->db.raw, cq->db_addr); - - /* Make sure write would stick */ - mmiowb(); } int qedr_arm_cq(struct ib_cq *ibcq, enum ib_cq_notify_flags flags) @@ -2084,8 +2081,6 @@ static int qedr_update_qp_state(struct qedr_dev *dev, if (rdma_protocol_roce(&dev->ibdev, 1)) { writel(qp->rq.db_data.raw, qp->rq.db); - /* Make sure write takes effect */ - mmiowb(); } break; case QED_ROCE_QP_STATE_ERR: @@ -3502,9 +3497,6 @@ int qedr_post_send(struct ib_qp *ibqp, const struct ib_send_wr *wr, smp_wmb(); writel(qp->sq.db_data.raw, qp->sq.db); - /* Make sure write sticks */ - mmiowb(); - spin_unlock_irqrestore(&qp->q_lock, flags); return rc; @@ -3695,12 +3687,8 @@ int qedr_post_recv(struct ib_qp *ibqp, const struct ib_recv_wr *wr, writel(qp->rq.db_data.raw, qp->rq.db); - /* Make sure write sticks */ - mmiowb(); - if (rdma_protocol_iwarp(&dev->ibdev, 1)) { writel(qp->rq.iwarp_db2_data.raw, qp->rq.iwarp_db2); - mmiowb(); /* for second doorbell */ } wr = wr->next; diff --git a/drivers/infiniband/hw/qib/qib_iba6120.c b/drivers/infiniband/hw/qib/qib_iba6120.c index cdbf707fa267..531d8a1db2c3 100644 --- a/drivers/infiniband/hw/qib/qib_iba6120.c +++ b/drivers/infiniband/hw/qib/qib_iba6120.c @@ -1884,7 +1884,6 @@ static void qib_6120_put_tid(struct qib_devdata *dd, u64 __iomem *tidptr, qib_write_kreg(dd, kr_scratch, 0xfeeddeaf); writel(pa, tidp32); qib_write_kreg(dd, kr_scratch, 0xdeadbeef); - mmiowb(); spin_unlock_irqrestore(tidlockp, flags); } @@ -1928,7 +1927,6 @@ static void qib_6120_put_tid_2(struct qib_devdata *dd, u64 __iomem *tidptr, pa |= 2 << 29; } writel(pa, tidp32); - mmiowb(); } @@ -2053,9 +2051,7 @@ static void qib_update_6120_usrhead(struct qib_ctxtdata *rcd, u64 hd, { if (updegr) qib_write_ureg(rcd->dd, ur_rcvegrindexhead, egrhd, rcd->ctxt); - mmiowb(); qib_write_ureg(rcd->dd, ur_rcvhdrhead, hd, rcd->ctxt); - mmiowb(); } static u32 qib_6120_hdrqempty(struct qib_ctxtdata *rcd) diff --git a/drivers/infiniband/hw/qib/qib_iba7220.c b/drivers/infiniband/hw/qib/qib_iba7220.c index 9fde45538f6e..ea3ddb05cbad 100644 --- a/drivers/infiniband/hw/qib/qib_iba7220.c +++ b/drivers/infiniband/hw/qib/qib_iba7220.c @@ -2175,7 +2175,6 @@ static void qib_7220_put_tid(struct qib_devdata *dd, u64 __iomem *tidptr, pa = chippa; } writeq(pa, tidptr); - mmiowb(); } /** @@ -2704,9 +2703,7 @@ static void qib_update_7220_usrhead(struct qib_ctxtdata *rcd, u64 hd, { if (updegr) qib_write_ureg(rcd->dd, ur_rcvegrindexhead, egrhd, rcd->ctxt); - mmiowb(); qib_write_ureg(rcd->dd, ur_rcvhdrhead, hd, rcd->ctxt); - mmiowb(); } static u32 qib_7220_hdrqempty(struct qib_ctxtdata *rcd) diff --git a/drivers/infiniband/hw/qib/qib_iba7322.c b/drivers/infiniband/hw/qib/qib_iba7322.c index 17d6b24b3473..ac6a84f11ad0 100644 --- a/drivers/infiniband/hw/qib/qib_iba7322.c +++ b/drivers/infiniband/hw/qib/qib_iba7322.c @@ -3793,7 +3793,6 @@ static void qib_7322_put_tid(struct qib_devdata *dd, u64 __iomem *tidptr, pa = chippa; } writeq(pa, tidptr); - mmiowb(); } /** @@ -4440,10 +4439,8 @@ static void qib_update_7322_usrhead(struct qib_ctxtdata *rcd, u64 hd, adjust_rcv_timeout(rcd, npkts); if (updegr) qib_write_ureg(rcd->dd, ur_rcvegrindexhead, egrhd, rcd->ctxt); - mmiowb(); qib_write_ureg(rcd->dd, ur_rcvhdrhead, hd, rcd->ctxt); qib_write_ureg(rcd->dd, ur_rcvhdrhead, hd, rcd->ctxt); - mmiowb(); } static u32 qib_7322_hdrqempty(struct qib_ctxtdata *rcd) diff --git a/drivers/infiniband/hw/qib/qib_sd7220.c b/drivers/infiniband/hw/qib/qib_sd7220.c index 12caf3db8c34..4f4a09c2dbcd 100644 --- a/drivers/infiniband/hw/qib/qib_sd7220.c +++ b/drivers/infiniband/hw/qib/qib_sd7220.c @@ -1068,7 +1068,6 @@ static int qib_sd_setvals(struct qib_devdata *dd) for (idx = 0; idx < NUM_DDS_REGS; ++idx) { data = ((dds_reg_map & 0xF) << 4) | TX_FAST_ELT; writeq(data, iaddr + idx); - mmiowb(); qib_read_kreg32(dd, kr_scratch); dds_reg_map >>= 4; for (midx = 0; midx < DDS_ROWS; ++midx) { @@ -1076,7 +1075,6 @@ static int qib_sd_setvals(struct qib_devdata *dd) data = dds_init_vals[midx].reg_vals[idx]; writeq(data, daddr); - mmiowb(); qib_read_kreg32(dd, kr_scratch); } /* End inner for (vals for this reg, each row) */ } /* end outer for (regs to be stored) */ @@ -1098,13 +1096,11 @@ static int qib_sd_setvals(struct qib_devdata *dd) didx = idx + min_idx; /* Store the next RXEQ register address */ writeq(rxeq_init_vals[idx].rdesc, iaddr + didx); - mmiowb(); qib_read_kreg32(dd, kr_scratch); /* Iterate through RXEQ values */ for (vidx = 0; vidx < 4; vidx++) { data = rxeq_init_vals[idx].rdata[vidx]; writeq(data, taddr + (vidx << 6) + idx); - mmiowb(); qib_read_kreg32(dd, kr_scratch); } } /* end outer for (Reg-writes for RXEQ) */ diff --git a/drivers/infiniband/hw/vmw_pvrdma/pvrdma_main.c b/drivers/infiniband/hw/vmw_pvrdma/pvrdma_main.c index 6d8b3e0de57a..ec41400fec0c 100644 --- a/drivers/infiniband/hw/vmw_pvrdma/pvrdma_main.c +++ b/drivers/infiniband/hw/vmw_pvrdma/pvrdma_main.c @@ -1131,6 +1131,8 @@ static void pvrdma_pci_remove(struct pci_dev *pdev) pvrdma_page_dir_cleanup(dev, &dev->cq_pdir); pvrdma_page_dir_cleanup(dev, &dev->async_pdir); pvrdma_free_slots(dev); + dma_free_coherent(&pdev->dev, sizeof(*dev->dsr), dev->dsr, + dev->dsrbase); iounmap(dev->regs); kfree(dev->sgid_tbl); diff --git a/drivers/infiniband/sw/rdmavt/mr.c b/drivers/infiniband/sw/rdmavt/mr.c index 728795043496..0bb6e39dd03a 100644 --- a/drivers/infiniband/sw/rdmavt/mr.c +++ b/drivers/infiniband/sw/rdmavt/mr.c @@ -608,11 +608,6 @@ static int rvt_set_page(struct ib_mr *ibmr, u64 addr) if (unlikely(mapped_segs == mr->mr.max_segs)) return -ENOMEM; - if (mr->mr.length == 0) { - mr->mr.user_base = addr; - mr->mr.iova = addr; - } - m = mapped_segs / RVT_SEGSZ; n = mapped_segs % RVT_SEGSZ; mr->mr.map[m]->segs[n].vaddr = (void *)addr; @@ -630,17 +625,24 @@ static int rvt_set_page(struct ib_mr *ibmr, u64 addr) * @sg_nents: number of entries in sg * @sg_offset: offset in bytes into sg * + * Overwrite rvt_mr length with mr length calculated by ib_sg_to_pages. + * * Return: number of sg elements mapped to the memory region */ int rvt_map_mr_sg(struct ib_mr *ibmr, struct scatterlist *sg, int sg_nents, unsigned int *sg_offset) { struct rvt_mr *mr = to_imr(ibmr); + int ret; mr->mr.length = 0; mr->mr.page_shift = PAGE_SHIFT; - return ib_sg_to_pages(ibmr, sg, sg_nents, sg_offset, - rvt_set_page); + ret = ib_sg_to_pages(ibmr, sg, sg_nents, sg_offset, rvt_set_page); + mr->mr.user_base = ibmr->iova; + mr->mr.iova = ibmr->iova; + mr->mr.offset = ibmr->iova - (u64)mr->mr.map[0]->segs[0].vaddr; + mr->mr.length = (size_t)ibmr->length; + return ret; } /** @@ -671,6 +673,7 @@ int rvt_fast_reg_mr(struct rvt_qp *qp, struct ib_mr *ibmr, u32 key, ibmr->rkey = key; mr->mr.lkey = key; mr->mr.access_flags = access; + mr->mr.iova = ibmr->iova; atomic_set(&mr->mr.lkey_invalid, 0); return 0; diff --git a/drivers/input/keyboard/Kconfig b/drivers/input/keyboard/Kconfig index a878351f1643..52d7f55fca32 100644 --- a/drivers/input/keyboard/Kconfig +++ b/drivers/input/keyboard/Kconfig @@ -420,7 +420,7 @@ config KEYBOARD_MPR121 config KEYBOARD_SNVS_PWRKEY tristate "IMX SNVS Power Key Driver" - depends on SOC_IMX6SX || SOC_IMX7D + depends on ARCH_MXC || COMPILE_TEST depends on OF help This is the snvs powerkey driver for the Freescale i.MX application diff --git a/drivers/input/keyboard/snvs_pwrkey.c b/drivers/input/keyboard/snvs_pwrkey.c index effb63205d3d..4c67cf30a5d9 100644 --- a/drivers/input/keyboard/snvs_pwrkey.c +++ b/drivers/input/keyboard/snvs_pwrkey.c @@ -148,6 +148,9 @@ static int imx_snvs_pwrkey_probe(struct platform_device *pdev) return error; } + pdata->input = input; + platform_set_drvdata(pdev, pdata); + error = devm_request_irq(&pdev->dev, pdata->irq, imx_snvs_pwrkey_interrupt, 0, pdev->name, pdev); @@ -163,9 +166,6 @@ static int imx_snvs_pwrkey_probe(struct platform_device *pdev) return error; } - pdata->input = input; - platform_set_drvdata(pdev, pdata); - device_init_wakeup(&pdev->dev, pdata->wakeup); return 0; diff --git a/drivers/input/mouse/elan_i2c_core.c b/drivers/input/mouse/elan_i2c_core.c index 628ef617bb2f..f9525d6f0bfe 100644 --- a/drivers/input/mouse/elan_i2c_core.c +++ b/drivers/input/mouse/elan_i2c_core.c @@ -1339,21 +1339,46 @@ static const struct acpi_device_id elan_acpi_id[] = { { "ELAN0600", 0 }, { "ELAN0601", 0 }, { "ELAN0602", 0 }, + { "ELAN0603", 0 }, + { "ELAN0604", 0 }, { "ELAN0605", 0 }, + { "ELAN0606", 0 }, + { "ELAN0607", 0 }, { "ELAN0608", 0 }, { "ELAN0609", 0 }, { "ELAN060B", 0 }, { "ELAN060C", 0 }, + { "ELAN060F", 0 }, + { "ELAN0610", 0 }, { "ELAN0611", 0 }, { "ELAN0612", 0 }, + { "ELAN0615", 0 }, + { "ELAN0616", 0 }, { "ELAN0617", 0 }, { "ELAN0618", 0 }, + { "ELAN0619", 0 }, + { "ELAN061A", 0 }, + { "ELAN061B", 0 }, { "ELAN061C", 0 }, { "ELAN061D", 0 }, { "ELAN061E", 0 }, + { "ELAN061F", 0 }, { "ELAN0620", 0 }, { "ELAN0621", 0 }, { "ELAN0622", 0 }, + { "ELAN0623", 0 }, + { "ELAN0624", 0 }, + { "ELAN0625", 0 }, + { "ELAN0626", 0 }, + { "ELAN0627", 0 }, + { "ELAN0628", 0 }, + { "ELAN0629", 0 }, + { "ELAN062A", 0 }, + { "ELAN062B", 0 }, + { "ELAN062C", 0 }, + { "ELAN062D", 0 }, + { "ELAN0631", 0 }, + { "ELAN0632", 0 }, { "ELAN1000", 0 }, { } }; diff --git a/drivers/input/rmi4/rmi_driver.c b/drivers/input/rmi4/rmi_driver.c index fc3ab93b7aea..7fb358f96195 100644 --- a/drivers/input/rmi4/rmi_driver.c +++ b/drivers/input/rmi4/rmi_driver.c @@ -860,7 +860,7 @@ static int rmi_create_function(struct rmi_device *rmi_dev, error = rmi_register_function(fn); if (error) - goto err_put_fn; + return error; if (pdt->function_number == 0x01) data->f01_container = fn; @@ -870,10 +870,6 @@ static int rmi_create_function(struct rmi_device *rmi_dev, list_add_tail(&fn->node, &data->function_list); return RMI_SCAN_CONTINUE; - -err_put_fn: - put_device(&fn->dev); - return error; } void rmi_enable_irq(struct rmi_device *rmi_dev, bool clear_wake) diff --git a/drivers/input/rmi4/rmi_f11.c b/drivers/input/rmi4/rmi_f11.c index df64d6aed4f7..93901ebd122a 100644 --- a/drivers/input/rmi4/rmi_f11.c +++ b/drivers/input/rmi4/rmi_f11.c @@ -1230,7 +1230,7 @@ static int rmi_f11_initialize(struct rmi_function *fn) } rc = f11_write_control_regs(fn, &f11->sens_query, - &f11->dev_controls, fn->fd.query_base_addr); + &f11->dev_controls, fn->fd.control_base_addr); if (rc) dev_warn(&fn->dev, "Failed to write control registers\n"); diff --git a/drivers/iommu/amd_iommu_init.c b/drivers/iommu/amd_iommu_init.c index 1b1378619fc9..ff40ba758cf3 100644 --- a/drivers/iommu/amd_iommu_init.c +++ b/drivers/iommu/amd_iommu_init.c @@ -359,7 +359,7 @@ static void iommu_write_l2(struct amd_iommu *iommu, u8 address, u32 val) static void iommu_set_exclusion_range(struct amd_iommu *iommu) { u64 start = iommu->exclusion_start & PAGE_MASK; - u64 limit = (start + iommu->exclusion_length) & PAGE_MASK; + u64 limit = (start + iommu->exclusion_length - 1) & PAGE_MASK; u64 entry; if (!iommu->exclusion_start) diff --git a/drivers/irqchip/irq-ath79-misc.c b/drivers/irqchip/irq-ath79-misc.c index aa7290784636..0390603170b4 100644 --- a/drivers/irqchip/irq-ath79-misc.c +++ b/drivers/irqchip/irq-ath79-misc.c @@ -22,6 +22,15 @@ #define AR71XX_RESET_REG_MISC_INT_ENABLE 4 #define ATH79_MISC_IRQ_COUNT 32 +#define ATH79_MISC_PERF_IRQ 5 + +static int ath79_perfcount_irq; + +int get_c0_perfcount_int(void) +{ + return ath79_perfcount_irq; +} +EXPORT_SYMBOL_GPL(get_c0_perfcount_int); static void ath79_misc_irq_handler(struct irq_desc *desc) { @@ -113,6 +122,8 @@ static void __init ath79_misc_intc_domain_init( { void __iomem *base = domain->host_data; + ath79_perfcount_irq = irq_create_mapping(domain, ATH79_MISC_PERF_IRQ); + /* Disable and clear all interrupts */ __raw_writel(0, base + AR71XX_RESET_REG_MISC_INT_ENABLE); __raw_writel(0, base + AR71XX_RESET_REG_MISC_INT_STATUS); diff --git a/drivers/irqchip/irq-ls1x.c b/drivers/irqchip/irq-ls1x.c index 86b72fbd3b45..353111a10413 100644 --- a/drivers/irqchip/irq-ls1x.c +++ b/drivers/irqchip/irq-ls1x.c @@ -130,6 +130,7 @@ static int __init ls1x_intc_of_init(struct device_node *node, NULL); if (!priv->domain) { pr_err("ls1x-irq: cannot add IRQ domain\n"); + err = -ENOMEM; goto out_iounmap; } diff --git a/drivers/isdn/mISDN/socket.c b/drivers/isdn/mISDN/socket.c index 4ab8b1b6608f..a14e35d40538 100644 --- a/drivers/isdn/mISDN/socket.c +++ b/drivers/isdn/mISDN/socket.c @@ -710,10 +710,10 @@ base_sock_bind(struct socket *sock, struct sockaddr *addr, int addr_len) struct sock *sk = sock->sk; int err = 0; - if (!maddr || maddr->family != AF_ISDN) + if (addr_len < sizeof(struct sockaddr_mISDN)) return -EINVAL; - if (addr_len < sizeof(struct sockaddr_mISDN)) + if (!maddr || maddr->family != AF_ISDN) return -EINVAL; lock_sock(sk); diff --git a/drivers/lightnvm/pblk-read.c b/drivers/lightnvm/pblk-read.c index 3789185144da..0b7d5fb4548d 100644 --- a/drivers/lightnvm/pblk-read.c +++ b/drivers/lightnvm/pblk-read.c @@ -231,14 +231,14 @@ static void pblk_end_partial_read(struct nvm_rq *rqd) struct pblk_sec_meta *meta; struct bio *new_bio = rqd->bio; struct bio *bio = pr_ctx->orig_bio; - struct bio_vec src_bv, dst_bv; void *meta_list = rqd->meta_list; - int bio_init_idx = pr_ctx->bio_init_idx; unsigned long *read_bitmap = pr_ctx->bitmap; + struct bvec_iter orig_iter = BVEC_ITER_ALL_INIT; + struct bvec_iter new_iter = BVEC_ITER_ALL_INIT; int nr_secs = pr_ctx->orig_nr_secs; int nr_holes = nr_secs - bitmap_weight(read_bitmap, nr_secs); void *src_p, *dst_p; - int hole, i; + int bit, i; if (unlikely(nr_holes == 1)) { struct ppa_addr ppa; @@ -257,33 +257,39 @@ static void pblk_end_partial_read(struct nvm_rq *rqd) /* Fill the holes in the original bio */ i = 0; - hole = find_first_zero_bit(read_bitmap, nr_secs); - do { - struct pblk_line *line; + for (bit = 0; bit < nr_secs; bit++) { + if (!test_bit(bit, read_bitmap)) { + struct bio_vec dst_bv, src_bv; + struct pblk_line *line; - line = pblk_ppa_to_line(pblk, rqd->ppa_list[i]); - kref_put(&line->ref, pblk_line_put); + line = pblk_ppa_to_line(pblk, rqd->ppa_list[i]); + kref_put(&line->ref, pblk_line_put); - meta = pblk_get_meta(pblk, meta_list, hole); - meta->lba = cpu_to_le64(pr_ctx->lba_list_media[i]); + meta = pblk_get_meta(pblk, meta_list, bit); + meta->lba = cpu_to_le64(pr_ctx->lba_list_media[i]); - src_bv = new_bio->bi_io_vec[i++]; - dst_bv = bio->bi_io_vec[bio_init_idx + hole]; + dst_bv = bio_iter_iovec(bio, orig_iter); + src_bv = bio_iter_iovec(new_bio, new_iter); - src_p = kmap_atomic(src_bv.bv_page); - dst_p = kmap_atomic(dst_bv.bv_page); + src_p = kmap_atomic(src_bv.bv_page); + dst_p = kmap_atomic(dst_bv.bv_page); - memcpy(dst_p + dst_bv.bv_offset, - src_p + src_bv.bv_offset, - PBLK_EXPOSED_PAGE_SIZE); + memcpy(dst_p + dst_bv.bv_offset, + src_p + src_bv.bv_offset, + PBLK_EXPOSED_PAGE_SIZE); - kunmap_atomic(src_p); - kunmap_atomic(dst_p); + kunmap_atomic(src_p); + kunmap_atomic(dst_p); - mempool_free(src_bv.bv_page, &pblk->page_bio_pool); + flush_dcache_page(dst_bv.bv_page); + mempool_free(src_bv.bv_page, &pblk->page_bio_pool); - hole = find_next_zero_bit(read_bitmap, nr_secs, hole + 1); - } while (hole < nr_secs); + bio_advance_iter(new_bio, &new_iter, + PBLK_EXPOSED_PAGE_SIZE); + i++; + } + bio_advance_iter(bio, &orig_iter, PBLK_EXPOSED_PAGE_SIZE); + } bio_put(new_bio); kfree(pr_ctx); diff --git a/drivers/md/dm-bufio.c b/drivers/md/dm-bufio.c index 1ecef76225a1..2a48ea3f1b30 100644 --- a/drivers/md/dm-bufio.c +++ b/drivers/md/dm-bufio.c @@ -150,7 +150,7 @@ struct dm_buffer { void (*end_io)(struct dm_buffer *, blk_status_t); #ifdef CONFIG_DM_DEBUG_BLOCK_STACK_TRACING #define MAX_STACK 10 - struct stack_trace stack_trace; + unsigned int stack_len; unsigned long stack_entries[MAX_STACK]; #endif }; @@ -232,11 +232,7 @@ static DEFINE_MUTEX(dm_bufio_clients_lock); #ifdef CONFIG_DM_DEBUG_BLOCK_STACK_TRACING static void buffer_record_stack(struct dm_buffer *b) { - b->stack_trace.nr_entries = 0; - b->stack_trace.max_entries = MAX_STACK; - b->stack_trace.entries = b->stack_entries; - b->stack_trace.skip = 2; - save_stack_trace(&b->stack_trace); + b->stack_len = stack_trace_save(b->stack_entries, MAX_STACK, 2); } #endif @@ -438,7 +434,7 @@ static struct dm_buffer *alloc_buffer(struct dm_bufio_client *c, gfp_t gfp_mask) adjust_total_allocated(b->data_mode, (long)c->block_size); #ifdef CONFIG_DM_DEBUG_BLOCK_STACK_TRACING - memset(&b->stack_trace, 0, sizeof(b->stack_trace)); + b->stack_len = 0; #endif return b; } @@ -1520,8 +1516,9 @@ static void drop_buffers(struct dm_bufio_client *c) DMERR("leaked buffer %llx, hold count %u, list %d", (unsigned long long)b->block, b->hold_count, i); #ifdef CONFIG_DM_DEBUG_BLOCK_STACK_TRACING - print_stack_trace(&b->stack_trace, 1); - b->hold_count = 0; /* mark unclaimed to avoid BUG_ON below */ + stack_trace_print(b->stack_entries, b->stack_len, 1); + /* mark unclaimed to avoid BUG_ON below */ + b->hold_count = 0; #endif } diff --git a/drivers/md/dm-core.h b/drivers/md/dm-core.h index 95c6d86ab5e8..c4ef1fceead6 100644 --- a/drivers/md/dm-core.h +++ b/drivers/md/dm-core.h @@ -115,6 +115,7 @@ struct mapped_device { struct srcu_struct io_barrier; }; +void disable_discard(struct mapped_device *md); void disable_write_same(struct mapped_device *md); void disable_write_zeroes(struct mapped_device *md); diff --git a/drivers/md/dm-init.c b/drivers/md/dm-init.c index b53f30f16b4d..4b76f84424c3 100644 --- a/drivers/md/dm-init.c +++ b/drivers/md/dm-init.c @@ -36,7 +36,7 @@ struct dm_device { struct list_head list; }; -const char *dm_allowed_targets[] __initconst = { +const char * const dm_allowed_targets[] __initconst = { "crypt", "delay", "linear", diff --git a/drivers/md/dm-integrity.c b/drivers/md/dm-integrity.c index d57d997a52c8..7c678f50aaa3 100644 --- a/drivers/md/dm-integrity.c +++ b/drivers/md/dm-integrity.c @@ -913,7 +913,7 @@ static void copy_from_journal(struct dm_integrity_c *ic, unsigned section, unsig static bool ranges_overlap(struct dm_integrity_range *range1, struct dm_integrity_range *range2) { return range1->logical_sector < range2->logical_sector + range2->n_sectors && - range2->logical_sector + range2->n_sectors > range2->logical_sector; + range1->logical_sector + range1->n_sectors > range2->logical_sector; } static bool add_new_range(struct dm_integrity_c *ic, struct dm_integrity_range *new_range, bool check_waiting) @@ -959,8 +959,6 @@ static void remove_range_unlocked(struct dm_integrity_c *ic, struct dm_integrity struct dm_integrity_range *last_range = list_first_entry(&ic->wait_list, struct dm_integrity_range, wait_entry); struct task_struct *last_range_task; - if (!ranges_overlap(range, last_range)) - break; last_range_task = last_range->task; list_del(&last_range->wait_entry); if (!add_new_range(ic, last_range, false)) { @@ -3185,7 +3183,7 @@ static int dm_integrity_ctr(struct dm_target *ti, unsigned argc, char **argv) journal_watermark = val; else if (sscanf(opt_string, "commit_time:%u%c", &val, &dummy) == 1) sync_msec = val; - else if (!memcmp(opt_string, "meta_device:", strlen("meta_device:"))) { + else if (!strncmp(opt_string, "meta_device:", strlen("meta_device:"))) { if (ic->meta_dev) { dm_put_device(ti, ic->meta_dev); ic->meta_dev = NULL; @@ -3204,17 +3202,17 @@ static int dm_integrity_ctr(struct dm_target *ti, unsigned argc, char **argv) goto bad; } ic->sectors_per_block = val >> SECTOR_SHIFT; - } else if (!memcmp(opt_string, "internal_hash:", strlen("internal_hash:"))) { + } else if (!strncmp(opt_string, "internal_hash:", strlen("internal_hash:"))) { r = get_alg_and_key(opt_string, &ic->internal_hash_alg, &ti->error, "Invalid internal_hash argument"); if (r) goto bad; - } else if (!memcmp(opt_string, "journal_crypt:", strlen("journal_crypt:"))) { + } else if (!strncmp(opt_string, "journal_crypt:", strlen("journal_crypt:"))) { r = get_alg_and_key(opt_string, &ic->journal_crypt_alg, &ti->error, "Invalid journal_crypt argument"); if (r) goto bad; - } else if (!memcmp(opt_string, "journal_mac:", strlen("journal_mac:"))) { + } else if (!strncmp(opt_string, "journal_mac:", strlen("journal_mac:"))) { r = get_alg_and_key(opt_string, &ic->journal_mac_alg, &ti->error, "Invalid journal_mac argument"); if (r) @@ -3616,7 +3614,7 @@ static struct target_type integrity_target = { .io_hints = dm_integrity_io_hints, }; -int __init dm_integrity_init(void) +static int __init dm_integrity_init(void) { int r; @@ -3635,7 +3633,7 @@ int __init dm_integrity_init(void) return r; } -void dm_integrity_exit(void) +static void __exit dm_integrity_exit(void) { dm_unregister_target(&integrity_target); kmem_cache_destroy(journal_io_cache); diff --git a/drivers/md/dm-rq.c b/drivers/md/dm-rq.c index 09773636602d..b66745bd08bb 100644 --- a/drivers/md/dm-rq.c +++ b/drivers/md/dm-rq.c @@ -222,11 +222,14 @@ static void dm_done(struct request *clone, blk_status_t error, bool mapped) } if (unlikely(error == BLK_STS_TARGET)) { - if (req_op(clone) == REQ_OP_WRITE_SAME && - !clone->q->limits.max_write_same_sectors) + if (req_op(clone) == REQ_OP_DISCARD && + !clone->q->limits.max_discard_sectors) + disable_discard(tio->md); + else if (req_op(clone) == REQ_OP_WRITE_SAME && + !clone->q->limits.max_write_same_sectors) disable_write_same(tio->md); - if (req_op(clone) == REQ_OP_WRITE_ZEROES && - !clone->q->limits.max_write_zeroes_sectors) + else if (req_op(clone) == REQ_OP_WRITE_ZEROES && + !clone->q->limits.max_write_zeroes_sectors) disable_write_zeroes(tio->md); } diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c index ba9481f1bf3c..cde3b49b2a91 100644 --- a/drivers/md/dm-table.c +++ b/drivers/md/dm-table.c @@ -1844,6 +1844,36 @@ static bool dm_table_supports_secure_erase(struct dm_table *t) return true; } +static int device_requires_stable_pages(struct dm_target *ti, + struct dm_dev *dev, sector_t start, + sector_t len, void *data) +{ + struct request_queue *q = bdev_get_queue(dev->bdev); + + return q && bdi_cap_stable_pages_required(q->backing_dev_info); +} + +/* + * If any underlying device requires stable pages, a table must require + * them as well. Only targets that support iterate_devices are considered: + * don't want error, zero, etc to require stable pages. + */ +static bool dm_table_requires_stable_pages(struct dm_table *t) +{ + struct dm_target *ti; + unsigned i; + + for (i = 0; i < dm_table_get_num_targets(t); i++) { + ti = dm_table_get_target(t, i); + + if (ti->type->iterate_devices && + ti->type->iterate_devices(ti, device_requires_stable_pages, NULL)) + return true; + } + + return false; +} + void dm_table_set_restrictions(struct dm_table *t, struct request_queue *q, struct queue_limits *limits) { @@ -1897,6 +1927,15 @@ void dm_table_set_restrictions(struct dm_table *t, struct request_queue *q, dm_table_verify_integrity(t); /* + * Some devices don't use blk_integrity but still want stable pages + * because they do their own checksumming. + */ + if (dm_table_requires_stable_pages(t)) + q->backing_dev_info->capabilities |= BDI_CAP_STABLE_WRITES; + else + q->backing_dev_info->capabilities &= ~BDI_CAP_STABLE_WRITES; + + /* * Determine whether or not this queue's I/O timings contribute * to the entropy pool, Only request-based targets use this. * Clear QUEUE_FLAG_ADD_RANDOM if any underlying device does not diff --git a/drivers/md/dm.c b/drivers/md/dm.c index 68d24056d0b1..043f0761e4a0 100644 --- a/drivers/md/dm.c +++ b/drivers/md/dm.c @@ -945,6 +945,15 @@ static void dec_pending(struct dm_io *io, blk_status_t error) } } +void disable_discard(struct mapped_device *md) +{ + struct queue_limits *limits = dm_get_queue_limits(md); + + /* device doesn't really support DISCARD, disable it */ + limits->max_discard_sectors = 0; + blk_queue_flag_clear(QUEUE_FLAG_DISCARD, md->queue); +} + void disable_write_same(struct mapped_device *md) { struct queue_limits *limits = dm_get_queue_limits(md); @@ -970,11 +979,14 @@ static void clone_endio(struct bio *bio) dm_endio_fn endio = tio->ti->type->end_io; if (unlikely(error == BLK_STS_TARGET) && md->type != DM_TYPE_NVME_BIO_BASED) { - if (bio_op(bio) == REQ_OP_WRITE_SAME && - !bio->bi_disk->queue->limits.max_write_same_sectors) + if (bio_op(bio) == REQ_OP_DISCARD && + !bio->bi_disk->queue->limits.max_discard_sectors) + disable_discard(md); + else if (bio_op(bio) == REQ_OP_WRITE_SAME && + !bio->bi_disk->queue->limits.max_write_same_sectors) disable_write_same(md); - if (bio_op(bio) == REQ_OP_WRITE_ZEROES && - !bio->bi_disk->queue->limits.max_write_zeroes_sectors) + else if (bio_op(bio) == REQ_OP_WRITE_ZEROES && + !bio->bi_disk->queue->limits.max_write_zeroes_sectors) disable_write_zeroes(md); } @@ -1042,15 +1054,7 @@ int dm_set_target_max_io_len(struct dm_target *ti, sector_t len) return -EINVAL; } - /* - * BIO based queue uses its own splitting. When multipage bvecs - * is switched on, size of the incoming bio may be too big to - * be handled in some targets, such as crypt. - * - * When these targets are ready for the big bio, we can remove - * the limit. - */ - ti->max_io_len = min_t(uint32_t, len, BIO_MAX_PAGES * PAGE_SIZE); + ti->max_io_len = (uint32_t) len; return 0; } diff --git a/drivers/md/persistent-data/dm-block-manager.c b/drivers/md/persistent-data/dm-block-manager.c index 3972232b8037..749ec268d957 100644 --- a/drivers/md/persistent-data/dm-block-manager.c +++ b/drivers/md/persistent-data/dm-block-manager.c @@ -35,7 +35,10 @@ #define MAX_HOLDERS 4 #define MAX_STACK 10 -typedef unsigned long stack_entries[MAX_STACK]; +struct stack_store { + unsigned int nr_entries; + unsigned long entries[MAX_STACK]; +}; struct block_lock { spinlock_t lock; @@ -44,8 +47,7 @@ struct block_lock { struct task_struct *holders[MAX_HOLDERS]; #ifdef CONFIG_DM_DEBUG_BLOCK_STACK_TRACING - struct stack_trace traces[MAX_HOLDERS]; - stack_entries entries[MAX_HOLDERS]; + struct stack_store traces[MAX_HOLDERS]; #endif }; @@ -73,7 +75,7 @@ static void __add_holder(struct block_lock *lock, struct task_struct *task) { unsigned h = __find_holder(lock, NULL); #ifdef CONFIG_DM_DEBUG_BLOCK_STACK_TRACING - struct stack_trace *t; + struct stack_store *t; #endif get_task_struct(task); @@ -81,11 +83,7 @@ static void __add_holder(struct block_lock *lock, struct task_struct *task) #ifdef CONFIG_DM_DEBUG_BLOCK_STACK_TRACING t = lock->traces + h; - t->nr_entries = 0; - t->max_entries = MAX_STACK; - t->entries = lock->entries[h]; - t->skip = 2; - save_stack_trace(t); + t->nr_entries = stack_trace_save(t->entries, MAX_STACK, 2); #endif } @@ -106,7 +104,8 @@ static int __check_holder(struct block_lock *lock) DMERR("recursive lock detected in metadata"); #ifdef CONFIG_DM_DEBUG_BLOCK_STACK_TRACING DMERR("previously held here:"); - print_stack_trace(lock->traces + i, 4); + stack_trace_print(lock->traces[i].entries, + lock->traces[i].nr_entries, 4); DMERR("subsequent acquisition attempted here:"); dump_stack(); diff --git a/drivers/media/pci/dt3155/dt3155.c b/drivers/media/pci/dt3155/dt3155.c index 17d69bd5d7f1..49677ee889e3 100644 --- a/drivers/media/pci/dt3155/dt3155.c +++ b/drivers/media/pci/dt3155/dt3155.c @@ -46,7 +46,6 @@ static int read_i2c_reg(void __iomem *addr, u8 index, u8 *data) u32 tmp = index; iowrite32((tmp << 17) | IIC_READ, addr + IIC_CSR2); - mmiowb(); udelay(45); /* wait at least 43 usec for NEW_CYCLE to clear */ if (ioread32(addr + IIC_CSR2) & NEW_CYCLE) return -EIO; /* error: NEW_CYCLE not cleared */ @@ -77,7 +76,6 @@ static int write_i2c_reg(void __iomem *addr, u8 index, u8 data) u32 tmp = index; iowrite32((tmp << 17) | IIC_WRITE | data, addr + IIC_CSR2); - mmiowb(); udelay(65); /* wait at least 63 usec for NEW_CYCLE to clear */ if (ioread32(addr + IIC_CSR2) & NEW_CYCLE) return -EIO; /* error: NEW_CYCLE not cleared */ @@ -104,7 +102,6 @@ static void write_i2c_reg_nowait(void __iomem *addr, u8 index, u8 data) u32 tmp = index; iowrite32((tmp << 17) | IIC_WRITE | data, addr + IIC_CSR2); - mmiowb(); } /** @@ -264,7 +261,6 @@ static irqreturn_t dt3155_irq_handler_even(int irq, void *dev_id) FLD_DN_ODD | FLD_DN_EVEN | CAP_CONT_EVEN | CAP_CONT_ODD, ipd->regs + CSR1); - mmiowb(); } spin_lock(&ipd->lock); @@ -282,7 +278,6 @@ static irqreturn_t dt3155_irq_handler_even(int irq, void *dev_id) iowrite32(dma_addr + ipd->width, ipd->regs + ODD_DMA_START); iowrite32(ipd->width, ipd->regs + EVEN_DMA_STRIDE); iowrite32(ipd->width, ipd->regs + ODD_DMA_STRIDE); - mmiowb(); } /* enable interrupts, clear all irq flags */ @@ -437,12 +432,10 @@ static int dt3155_init_board(struct dt3155_priv *pd) /* resetting the adapter */ iowrite32(ADDR_ERR_ODD | ADDR_ERR_EVEN | FLD_CRPT_ODD | FLD_CRPT_EVEN | FLD_DN_ODD | FLD_DN_EVEN, pd->regs + CSR1); - mmiowb(); msleep(20); /* initializing adapter registers */ iowrite32(FIFO_EN | SRST, pd->regs + CSR1); - mmiowb(); iowrite32(0xEEEEEE01, pd->regs + EVEN_PIXEL_FMT); iowrite32(0xEEEEEE01, pd->regs + ODD_PIXEL_FMT); iowrite32(0x00000020, pd->regs + FIFO_TRIGER); @@ -454,7 +447,6 @@ static int dt3155_init_board(struct dt3155_priv *pd) iowrite32(0, pd->regs + MASK_LENGTH); iowrite32(0x0005007C, pd->regs + FIFO_FLAG_CNT); iowrite32(0x01010101, pd->regs + IIC_CLK_DUR); - mmiowb(); /* verifying that we have a DT3155 board (not just a SAA7116 chip) */ read_i2c_reg(pd->regs, DT_ID, &tmp); diff --git a/drivers/memstick/host/jmb38x_ms.c b/drivers/memstick/host/jmb38x_ms.c index bcdca9fbef51..e3a5af65dbce 100644 --- a/drivers/memstick/host/jmb38x_ms.c +++ b/drivers/memstick/host/jmb38x_ms.c @@ -644,7 +644,6 @@ static int jmb38x_ms_reset(struct jmb38x_ms_host *host) writel(HOST_CONTROL_RESET_REQ | HOST_CONTROL_CLOCK_EN | readl(host->addr + HOST_CONTROL), host->addr + HOST_CONTROL); - mmiowb(); for (cnt = 0; cnt < 20; ++cnt) { if (!(HOST_CONTROL_RESET_REQ @@ -659,7 +658,6 @@ reset_next: writel(HOST_CONTROL_RESET | HOST_CONTROL_CLOCK_EN | readl(host->addr + HOST_CONTROL), host->addr + HOST_CONTROL); - mmiowb(); for (cnt = 0; cnt < 20; ++cnt) { if (!(HOST_CONTROL_RESET @@ -672,7 +670,6 @@ reset_next: return -EIO; reset_ok: - mmiowb(); writel(INT_STATUS_ALL, host->addr + INT_SIGNAL_ENABLE); writel(INT_STATUS_ALL, host->addr + INT_STATUS_ENABLE); return 0; @@ -1009,7 +1006,6 @@ static void jmb38x_ms_remove(struct pci_dev *dev) tasklet_kill(&host->notify); writel(0, host->addr + INT_SIGNAL_ENABLE); writel(0, host->addr + INT_STATUS_ENABLE); - mmiowb(); dev_dbg(&jm->pdev->dev, "interrupts off\n"); spin_lock_irqsave(&host->lock, flags); if (host->req) { diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig index 0ce2d8dfc5f1..26ad6468d13a 100644 --- a/drivers/mfd/Kconfig +++ b/drivers/mfd/Kconfig @@ -1246,7 +1246,7 @@ config MFD_STA2X11 config MFD_SUN6I_PRCM bool "Allwinner A31 PRCM controller" - depends on ARCH_SUNXI + depends on ARCH_SUNXI || COMPILE_TEST select MFD_CORE help Support for the PRCM (Power/Reset/Clock Management) unit available diff --git a/drivers/mfd/sprd-sc27xx-spi.c b/drivers/mfd/sprd-sc27xx-spi.c index 69df27769c21..43ac71691fe4 100644 --- a/drivers/mfd/sprd-sc27xx-spi.c +++ b/drivers/mfd/sprd-sc27xx-spi.c @@ -53,67 +53,67 @@ static const struct sprd_pmic_data sc2731_data = { static const struct mfd_cell sprd_pmic_devs[] = { { .name = "sc27xx-wdt", - .of_compatible = "sprd,sc27xx-wdt", + .of_compatible = "sprd,sc2731-wdt", }, { .name = "sc27xx-rtc", - .of_compatible = "sprd,sc27xx-rtc", + .of_compatible = "sprd,sc2731-rtc", }, { .name = "sc27xx-charger", - .of_compatible = "sprd,sc27xx-charger", + .of_compatible = "sprd,sc2731-charger", }, { .name = "sc27xx-chg-timer", - .of_compatible = "sprd,sc27xx-chg-timer", + .of_compatible = "sprd,sc2731-chg-timer", }, { .name = "sc27xx-fast-chg", - .of_compatible = "sprd,sc27xx-fast-chg", + .of_compatible = "sprd,sc2731-fast-chg", }, { .name = "sc27xx-chg-wdt", - .of_compatible = "sprd,sc27xx-chg-wdt", + .of_compatible = "sprd,sc2731-chg-wdt", }, { .name = "sc27xx-typec", - .of_compatible = "sprd,sc27xx-typec", + .of_compatible = "sprd,sc2731-typec", }, { .name = "sc27xx-flash", - .of_compatible = "sprd,sc27xx-flash", + .of_compatible = "sprd,sc2731-flash", }, { .name = "sc27xx-eic", - .of_compatible = "sprd,sc27xx-eic", + .of_compatible = "sprd,sc2731-eic", }, { .name = "sc27xx-efuse", - .of_compatible = "sprd,sc27xx-efuse", + .of_compatible = "sprd,sc2731-efuse", }, { .name = "sc27xx-thermal", - .of_compatible = "sprd,sc27xx-thermal", + .of_compatible = "sprd,sc2731-thermal", }, { .name = "sc27xx-adc", - .of_compatible = "sprd,sc27xx-adc", + .of_compatible = "sprd,sc2731-adc", }, { .name = "sc27xx-audio-codec", - .of_compatible = "sprd,sc27xx-audio-codec", + .of_compatible = "sprd,sc2731-audio-codec", }, { .name = "sc27xx-regulator", - .of_compatible = "sprd,sc27xx-regulator", + .of_compatible = "sprd,sc2731-regulator", }, { .name = "sc27xx-vibrator", - .of_compatible = "sprd,sc27xx-vibrator", + .of_compatible = "sprd,sc2731-vibrator", }, { .name = "sc27xx-keypad-led", - .of_compatible = "sprd,sc27xx-keypad-led", + .of_compatible = "sprd,sc2731-keypad-led", }, { .name = "sc27xx-bltc", - .of_compatible = "sprd,sc27xx-bltc", + .of_compatible = "sprd,sc2731-bltc", }, { .name = "sc27xx-fgu", - .of_compatible = "sprd,sc27xx-fgu", + .of_compatible = "sprd,sc2731-fgu", }, { .name = "sc27xx-7sreset", - .of_compatible = "sprd,sc27xx-7sreset", + .of_compatible = "sprd,sc2731-7sreset", }, { .name = "sc27xx-poweroff", - .of_compatible = "sprd,sc27xx-poweroff", + .of_compatible = "sprd,sc2731-poweroff", }, { .name = "sc27xx-syscon", - .of_compatible = "sprd,sc27xx-syscon", + .of_compatible = "sprd,sc2731-syscon", }, }; diff --git a/drivers/mfd/twl-core.c b/drivers/mfd/twl-core.c index 299016bc46d9..104477b512a2 100644 --- a/drivers/mfd/twl-core.c +++ b/drivers/mfd/twl-core.c @@ -1245,6 +1245,28 @@ free: return status; } +static int __maybe_unused twl_suspend(struct device *dev) +{ + struct i2c_client *client = to_i2c_client(dev); + + if (client->irq) + disable_irq(client->irq); + + return 0; +} + +static int __maybe_unused twl_resume(struct device *dev) +{ + struct i2c_client *client = to_i2c_client(dev); + + if (client->irq) + enable_irq(client->irq); + + return 0; +} + +static SIMPLE_DEV_PM_OPS(twl_dev_pm_ops, twl_suspend, twl_resume); + static const struct i2c_device_id twl_ids[] = { { "twl4030", TWL4030_VAUX2 }, /* "Triton 2" */ { "twl5030", 0 }, /* T2 updated */ @@ -1262,6 +1284,7 @@ static const struct i2c_device_id twl_ids[] = { /* One Client Driver , 4 Clients */ static struct i2c_driver twl_driver = { .driver.name = DRIVER_NAME, + .driver.pm = &twl_dev_pm_ops, .id_table = twl_ids, .probe = twl_probe, .remove = twl_remove, diff --git a/drivers/misc/fastrpc.c b/drivers/misc/fastrpc.c index 39f832d27288..36d0d5c9cfba 100644 --- a/drivers/misc/fastrpc.c +++ b/drivers/misc/fastrpc.c @@ -1184,6 +1184,7 @@ static int fastrpc_cb_probe(struct platform_device *pdev) struct fastrpc_session_ctx *sess; struct device *dev = &pdev->dev; int i, sessions = 0; + int rc; cctx = dev_get_drvdata(dev->parent); if (!cctx) @@ -1213,7 +1214,11 @@ static int fastrpc_cb_probe(struct platform_device *pdev) } cctx->sesscount++; spin_unlock(&cctx->lock); - dma_set_mask(dev, DMA_BIT_MASK(32)); + rc = dma_set_mask(dev, DMA_BIT_MASK(32)); + if (rc) { + dev_err(dev, "32-bit DMA enable failed\n"); + return rc; + } return 0; } diff --git a/drivers/misc/habanalabs/goya/goya.c b/drivers/misc/habanalabs/goya/goya.c index ea979ebd62fb..3c509e19d69d 100644 --- a/drivers/misc/habanalabs/goya/goya.c +++ b/drivers/misc/habanalabs/goya/goya.c @@ -1688,12 +1688,11 @@ static void goya_init_golden_registers(struct hl_device *hdev) /* * Workaround for H2 #HW-23 bug - * Set DMA max outstanding read requests to 240 on DMA CH 1. Set it - * to 16 on KMD DMA - * We need to limit only these DMAs because the user can only read + * Set DMA max outstanding read requests to 240 on DMA CH 1. + * This limitation is still large enough to not affect Gen4 bandwidth. + * We need to only limit that DMA channel because the user can only read * from Host using DMA CH 1 */ - WREG32(mmDMA_CH_0_CFG0, 0x0fff0010); WREG32(mmDMA_CH_1_CFG0, 0x0fff00F0); goya->hw_cap_initialized |= HW_CAP_GOLDEN; @@ -3693,7 +3692,7 @@ static int goya_validate_dma_pkt_mmu(struct hl_device *hdev, * WA for HW-23. * We can't allow user to read from Host using QMANs other than 1. */ - if (parser->hw_queue_id > GOYA_QUEUE_ID_DMA_1 && + if (parser->hw_queue_id != GOYA_QUEUE_ID_DMA_1 && hl_mem_area_inside_range(le64_to_cpu(user_dma_pkt->src_addr), le32_to_cpu(user_dma_pkt->tsize), hdev->asic_prop.va_space_host_start_address, diff --git a/drivers/misc/ioc4.c b/drivers/misc/ioc4.c index ec0832278170..9d0445a567db 100644 --- a/drivers/misc/ioc4.c +++ b/drivers/misc/ioc4.c @@ -156,7 +156,6 @@ ioc4_clock_calibrate(struct ioc4_driver_data *idd) /* Reset to power-on state */ writel(0, &idd->idd_misc_regs->int_out.raw); - mmiowb(); /* Set up square wave */ int_out.raw = 0; @@ -164,7 +163,6 @@ ioc4_clock_calibrate(struct ioc4_driver_data *idd) int_out.fields.mode = IOC4_INT_OUT_MODE_TOGGLE; int_out.fields.diag = 0; writel(int_out.raw, &idd->idd_misc_regs->int_out.raw); - mmiowb(); /* Check square wave period averaged over some number of cycles */ start = ktime_get_ns(); diff --git a/drivers/misc/mei/hw-me.c b/drivers/misc/mei/hw-me.c index 3fbbadfa2ae1..8a47a6fc3fc7 100644 --- a/drivers/misc/mei/hw-me.c +++ b/drivers/misc/mei/hw-me.c @@ -350,9 +350,6 @@ static void mei_me_hw_reset_release(struct mei_device *dev) hcsr |= H_IG; hcsr &= ~H_RST; mei_hcsr_set(dev, hcsr); - - /* complete this write before we set host ready on another CPU */ - mmiowb(); } /** diff --git a/drivers/misc/mic/Kconfig b/drivers/misc/mic/Kconfig index 242dcee14689..6736f72cc14a 100644 --- a/drivers/misc/mic/Kconfig +++ b/drivers/misc/mic/Kconfig @@ -4,7 +4,7 @@ comment "Intel MIC Bus Driver" config INTEL_MIC_BUS tristate "Intel MIC Bus Driver" - depends on 64BIT && PCI && X86 && X86_DEV_DMA_OPS + depends on 64BIT && PCI && X86 help This option is selected by any driver which registers a device or driver on the MIC Bus, such as CONFIG_INTEL_MIC_HOST, @@ -21,7 +21,7 @@ comment "SCIF Bus Driver" config SCIF_BUS tristate "SCIF Bus Driver" - depends on 64BIT && PCI && X86 && X86_DEV_DMA_OPS + depends on 64BIT && PCI && X86 help This option is selected by any driver which registers a device or driver on the SCIF Bus, such as CONFIG_INTEL_MIC_HOST diff --git a/drivers/misc/tifm_7xx1.c b/drivers/misc/tifm_7xx1.c index 9ac95b48ef92..cc729f7ab32e 100644 --- a/drivers/misc/tifm_7xx1.c +++ b/drivers/misc/tifm_7xx1.c @@ -403,7 +403,6 @@ static void tifm_7xx1_remove(struct pci_dev *dev) fm->eject = tifm_7xx1_dummy_eject; fm->has_ms_pif = tifm_7xx1_dummy_has_ms_pif; writel(TIFM_IRQ_SETALL, fm->addr + FM_CLEAR_INTERRUPT_ENABLE); - mmiowb(); free_irq(dev->irq, fm); tifm_remove_adapter(fm); diff --git a/drivers/mmc/host/alcor.c b/drivers/mmc/host/alcor.c index 82a97866e0cf..6e6b7ade4b60 100644 --- a/drivers/mmc/host/alcor.c +++ b/drivers/mmc/host/alcor.c @@ -48,7 +48,6 @@ struct alcor_sdmmc_host { struct mmc_command *cmd; struct mmc_data *data; unsigned int dma_on:1; - unsigned int early_data:1; struct mutex cmd_mutex; @@ -144,8 +143,7 @@ static void alcor_data_set_dma(struct alcor_sdmmc_host *host) host->sg_count--; } -static void alcor_trigger_data_transfer(struct alcor_sdmmc_host *host, - bool early) +static void alcor_trigger_data_transfer(struct alcor_sdmmc_host *host) { struct alcor_pci_priv *priv = host->alcor_pci; struct mmc_data *data = host->data; @@ -155,13 +153,6 @@ static void alcor_trigger_data_transfer(struct alcor_sdmmc_host *host, ctrl |= AU6601_DATA_WRITE; if (data->host_cookie == COOKIE_MAPPED) { - if (host->early_data) { - host->early_data = false; - return; - } - - host->early_data = early; - alcor_data_set_dma(host); ctrl |= AU6601_DATA_DMA_MODE; host->dma_on = 1; @@ -231,6 +222,7 @@ static void alcor_prepare_sg_miter(struct alcor_sdmmc_host *host) static void alcor_prepare_data(struct alcor_sdmmc_host *host, struct mmc_command *cmd) { + struct alcor_pci_priv *priv = host->alcor_pci; struct mmc_data *data = cmd->data; if (!data) @@ -248,7 +240,7 @@ static void alcor_prepare_data(struct alcor_sdmmc_host *host, if (data->host_cookie != COOKIE_MAPPED) alcor_prepare_sg_miter(host); - alcor_trigger_data_transfer(host, true); + alcor_write8(priv, 0, AU6601_DATA_XFER_CTRL); } static void alcor_send_cmd(struct alcor_sdmmc_host *host, @@ -435,7 +427,7 @@ static int alcor_cmd_irq_done(struct alcor_sdmmc_host *host, u32 intmask) if (!host->data) return false; - alcor_trigger_data_transfer(host, false); + alcor_trigger_data_transfer(host); host->cmd = NULL; return true; } @@ -456,7 +448,7 @@ static void alcor_cmd_irq_thread(struct alcor_sdmmc_host *host, u32 intmask) if (!host->data) alcor_request_complete(host, 1); else - alcor_trigger_data_transfer(host, false); + alcor_trigger_data_transfer(host); host->cmd = NULL; } @@ -487,15 +479,9 @@ static int alcor_data_irq_done(struct alcor_sdmmc_host *host, u32 intmask) break; case AU6601_INT_READ_BUF_RDY: alcor_trf_block_pio(host, true); - if (!host->blocks) - break; - alcor_trigger_data_transfer(host, false); return 1; case AU6601_INT_WRITE_BUF_RDY: alcor_trf_block_pio(host, false); - if (!host->blocks) - break; - alcor_trigger_data_transfer(host, false); return 1; case AU6601_INT_DMA_END: if (!host->sg_count) @@ -508,8 +494,14 @@ static int alcor_data_irq_done(struct alcor_sdmmc_host *host, u32 intmask) break; } - if (intmask & AU6601_INT_DATA_END) - return 0; + if (intmask & AU6601_INT_DATA_END) { + if (!host->dma_on && host->blocks) { + alcor_trigger_data_transfer(host); + return 1; + } else { + return 0; + } + } return 1; } @@ -967,7 +959,6 @@ static void alcor_timeout_timer(struct work_struct *work) alcor_request_complete(host, 0); } - mmiowb(); mutex_unlock(&host->cmd_mutex); } diff --git a/drivers/mmc/host/sdhci-omap.c b/drivers/mmc/host/sdhci-omap.c index 5bbed477c9b1..9f20fff9781b 100644 --- a/drivers/mmc/host/sdhci-omap.c +++ b/drivers/mmc/host/sdhci-omap.c @@ -797,6 +797,43 @@ void sdhci_omap_reset(struct sdhci_host *host, u8 mask) sdhci_reset(host, mask); } +#define CMD_ERR_MASK (SDHCI_INT_CRC | SDHCI_INT_END_BIT | SDHCI_INT_INDEX |\ + SDHCI_INT_TIMEOUT) +#define CMD_MASK (CMD_ERR_MASK | SDHCI_INT_RESPONSE) + +static u32 sdhci_omap_irq(struct sdhci_host *host, u32 intmask) +{ + struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); + struct sdhci_omap_host *omap_host = sdhci_pltfm_priv(pltfm_host); + + if (omap_host->is_tuning && host->cmd && !host->data_early && + (intmask & CMD_ERR_MASK)) { + + /* + * Since we are not resetting data lines during tuning + * operation, data error or data complete interrupts + * might still arrive. Mark this request as a failure + * but still wait for the data interrupt + */ + if (intmask & SDHCI_INT_TIMEOUT) + host->cmd->error = -ETIMEDOUT; + else + host->cmd->error = -EILSEQ; + + host->cmd = NULL; + + /* + * Sometimes command error interrupts and command complete + * interrupt will arrive together. Clear all command related + * interrupts here. + */ + sdhci_writel(host, intmask & CMD_MASK, SDHCI_INT_STATUS); + intmask &= ~CMD_MASK; + } + + return intmask; +} + static struct sdhci_ops sdhci_omap_ops = { .set_clock = sdhci_omap_set_clock, .set_power = sdhci_omap_set_power, @@ -807,6 +844,7 @@ static struct sdhci_ops sdhci_omap_ops = { .platform_send_init_74_clocks = sdhci_omap_init_74_clocks, .reset = sdhci_omap_reset, .set_uhs_signaling = sdhci_omap_set_uhs_signaling, + .irq = sdhci_omap_irq, }; static int sdhci_omap_set_capabilities(struct sdhci_omap_host *omap_host) diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index a8141ff9be03..42e1bad024f4 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -1807,7 +1807,6 @@ void sdhci_request(struct mmc_host *mmc, struct mmc_request *mrq) sdhci_send_command(host, mrq->cmd); } - mmiowb(); spin_unlock_irqrestore(&host->lock, flags); } EXPORT_SYMBOL_GPL(sdhci_request); @@ -2010,8 +2009,6 @@ void sdhci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) */ if (host->quirks & SDHCI_QUIRK_RESET_CMD_DATA_ON_IOS) sdhci_do_reset(host, SDHCI_RESET_CMD | SDHCI_RESET_DATA); - - mmiowb(); } EXPORT_SYMBOL_GPL(sdhci_set_ios); @@ -2105,7 +2102,6 @@ static void sdhci_enable_sdio_irq_nolock(struct sdhci_host *host, int enable) sdhci_writel(host, host->ier, SDHCI_INT_ENABLE); sdhci_writel(host, host->ier, SDHCI_SIGNAL_ENABLE); - mmiowb(); } } @@ -2353,7 +2349,6 @@ void sdhci_send_tuning(struct sdhci_host *host, u32 opcode) host->tuning_done = 0; - mmiowb(); spin_unlock_irqrestore(&host->lock, flags); /* Wait for Buffer Read Ready interrupt */ @@ -2705,7 +2700,6 @@ static bool sdhci_request_done(struct sdhci_host *host) host->mrqs_done[i] = NULL; - mmiowb(); spin_unlock_irqrestore(&host->lock, flags); mmc_request_done(host->mmc, mrq); @@ -2739,7 +2733,6 @@ static void sdhci_timeout_timer(struct timer_list *t) sdhci_finish_mrq(host, host->cmd->mrq); } - mmiowb(); spin_unlock_irqrestore(&host->lock, flags); } @@ -2770,7 +2763,6 @@ static void sdhci_timeout_data_timer(struct timer_list *t) } } - mmiowb(); spin_unlock_irqrestore(&host->lock, flags); } @@ -3251,7 +3243,6 @@ int sdhci_resume_host(struct sdhci_host *host) mmc->ops->set_ios(mmc, &mmc->ios); } else { sdhci_init(host, (host->mmc->pm_flags & MMC_PM_KEEP_POWER)); - mmiowb(); } if (host->irq_wake_enabled) { @@ -3391,7 +3382,6 @@ void sdhci_cqe_enable(struct mmc_host *mmc) mmc_hostname(mmc), host->ier, sdhci_readl(host, SDHCI_INT_STATUS)); - mmiowb(); spin_unlock_irqrestore(&host->lock, flags); } EXPORT_SYMBOL_GPL(sdhci_cqe_enable); @@ -3416,7 +3406,6 @@ void sdhci_cqe_disable(struct mmc_host *mmc, bool recovery) mmc_hostname(mmc), host->ier, sdhci_readl(host, SDHCI_INT_STATUS)); - mmiowb(); spin_unlock_irqrestore(&host->lock, flags); } EXPORT_SYMBOL_GPL(sdhci_cqe_disable); @@ -4255,8 +4244,6 @@ int __sdhci_add_host(struct sdhci_host *host) goto unirq; } - mmiowb(); - ret = mmc_add_host(mmc); if (ret) goto unled; diff --git a/drivers/mmc/host/tifm_sd.c b/drivers/mmc/host/tifm_sd.c index b6644ce296b2..35dd34b82a4d 100644 --- a/drivers/mmc/host/tifm_sd.c +++ b/drivers/mmc/host/tifm_sd.c @@ -889,7 +889,6 @@ static int tifm_sd_initialize_host(struct tifm_sd *host) struct tifm_dev *sock = host->dev; writel(0, sock->addr + SOCK_MMCSD_INT_ENABLE); - mmiowb(); host->clk_div = 61; host->clk_freq = 20000000; writel(TIFM_MMCSD_RESET, sock->addr + SOCK_MMCSD_SYSTEM_CONTROL); @@ -940,7 +939,6 @@ static int tifm_sd_initialize_host(struct tifm_sd *host) writel(TIFM_MMCSD_CERR | TIFM_MMCSD_BRS | TIFM_MMCSD_EOC | TIFM_MMCSD_ERRMASK, sock->addr + SOCK_MMCSD_INT_ENABLE); - mmiowb(); return 0; } @@ -1005,7 +1003,6 @@ static void tifm_sd_remove(struct tifm_dev *sock) spin_lock_irqsave(&sock->lock, flags); host->eject = 1; writel(0, sock->addr + SOCK_MMCSD_INT_ENABLE); - mmiowb(); spin_unlock_irqrestore(&sock->lock, flags); tasklet_kill(&host->finish_tasklet); diff --git a/drivers/mmc/host/via-sdmmc.c b/drivers/mmc/host/via-sdmmc.c index 32c4211506fc..412395ac2935 100644 --- a/drivers/mmc/host/via-sdmmc.c +++ b/drivers/mmc/host/via-sdmmc.c @@ -686,7 +686,6 @@ static void via_sdc_request(struct mmc_host *mmc, struct mmc_request *mrq) via_sdc_send_command(host, mrq->cmd); } - mmiowb(); spin_unlock_irqrestore(&host->lock, flags); } @@ -711,7 +710,6 @@ static void via_sdc_set_power(struct via_crdr_mmc_host *host, gatt &= ~VIA_CRDR_PCICLKGATT_PAD_PWRON; writeb(gatt, host->pcictrl_mmiobase + VIA_CRDR_PCICLKGATT); - mmiowb(); spin_unlock_irqrestore(&host->lock, flags); via_pwron_sleep(host); @@ -770,7 +768,6 @@ static void via_sdc_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) if (readb(addrbase + VIA_CRDR_PCISDCCLK) != clock) writeb(clock, addrbase + VIA_CRDR_PCISDCCLK); - mmiowb(); spin_unlock_irqrestore(&host->lock, flags); if (ios->power_mode != MMC_POWER_OFF) @@ -830,7 +827,6 @@ static void via_reset_pcictrl(struct via_crdr_mmc_host *host) via_restore_pcictrlreg(host); via_restore_sdcreg(host); - mmiowb(); spin_unlock_irqrestore(&host->lock, flags); } @@ -925,7 +921,6 @@ static irqreturn_t via_sdc_isr(int irq, void *dev_id) result = IRQ_HANDLED; - mmiowb(); out: spin_unlock(&sdhost->lock); @@ -960,7 +955,6 @@ static void via_sdc_timeout(struct timer_list *t) } } - mmiowb(); spin_unlock_irqrestore(&sdhost->lock, flags); } @@ -1012,7 +1006,6 @@ static void via_sdc_card_detect(struct work_struct *work) tasklet_schedule(&host->finish_tasklet); } - mmiowb(); spin_unlock_irqrestore(&host->lock, flags); via_reset_pcictrl(host); @@ -1020,7 +1013,6 @@ static void via_sdc_card_detect(struct work_struct *work) spin_lock_irqsave(&host->lock, flags); } - mmiowb(); spin_unlock_irqrestore(&host->lock, flags); via_print_pcictrl(host); @@ -1188,7 +1180,6 @@ static void via_sd_remove(struct pci_dev *pcidev) /* Disable generating further interrupts */ writeb(0x0, sdhost->pcictrl_mmiobase + VIA_CRDR_PCIINTCTRL); - mmiowb(); if (sdhost->mrq) { pr_err("%s: Controller removed during " @@ -1197,7 +1188,6 @@ static void via_sd_remove(struct pci_dev *pcidev) /* make sure all DMA is stopped */ writel(VIA_CRDR_DMACTRL_SFTRST, sdhost->ddma_mmiobase + VIA_CRDR_DMACTRL); - mmiowb(); sdhost->mrq->cmd->error = -ENOMEDIUM; if (sdhost->mrq->stop) sdhost->mrq->stop->error = -ENOMEDIUM; diff --git a/drivers/mtd/chips/cfi_cmdset_0002.c b/drivers/mtd/chips/cfi_cmdset_0002.c index 72428b6bfc47..7b7286b4d81e 100644 --- a/drivers/mtd/chips/cfi_cmdset_0002.c +++ b/drivers/mtd/chips/cfi_cmdset_0002.c @@ -1876,7 +1876,11 @@ static int __xipram do_write_buffer(struct map_info *map, struct flchip *chip, continue; } - if (time_after(jiffies, timeo) && !chip_ready(map, adr)) + /* + * We check "time_after" and "!chip_good" before checking "chip_good" to avoid + * the failure due to scheduling. + */ + if (time_after(jiffies, timeo) && !chip_good(map, adr, datum)) break; if (chip_good(map, adr, datum)) { diff --git a/drivers/mtd/nand/raw/marvell_nand.c b/drivers/mtd/nand/raw/marvell_nand.c index f38e5c1b87e4..d984538980e2 100644 --- a/drivers/mtd/nand/raw/marvell_nand.c +++ b/drivers/mtd/nand/raw/marvell_nand.c @@ -722,12 +722,6 @@ static void marvell_nfc_select_target(struct nand_chip *chip, struct marvell_nfc *nfc = to_marvell_nfc(chip->controller); u32 ndcr_generic; - if (chip == nfc->selected_chip && die_nr == marvell_nand->selected_die) - return; - - writel_relaxed(marvell_nand->ndtr0, nfc->regs + NDTR0); - writel_relaxed(marvell_nand->ndtr1, nfc->regs + NDTR1); - /* * Reset the NDCR register to a clean state for this particular chip, * also clear ND_RUN bit. @@ -739,6 +733,12 @@ static void marvell_nfc_select_target(struct nand_chip *chip, /* Also reset the interrupt status register */ marvell_nfc_clear_int(nfc, NDCR_ALL_INT); + if (chip == nfc->selected_chip && die_nr == marvell_nand->selected_die) + return; + + writel_relaxed(marvell_nand->ndtr0, nfc->regs + NDTR0); + writel_relaxed(marvell_nand->ndtr1, nfc->regs + NDTR1); + nfc->selected_chip = chip; marvell_nand->selected_die = die_nr; } diff --git a/drivers/mtd/nand/raw/r852.c b/drivers/mtd/nand/raw/r852.c index 86456216fb93..7b99831aa046 100644 --- a/drivers/mtd/nand/raw/r852.c +++ b/drivers/mtd/nand/raw/r852.c @@ -45,7 +45,6 @@ static inline void r852_write_reg(struct r852_device *dev, int address, uint8_t value) { writeb(value, dev->mmio + address); - mmiowb(); } @@ -61,7 +60,6 @@ static inline void r852_write_reg_dword(struct r852_device *dev, int address, uint32_t value) { writel(cpu_to_le32(value), dev->mmio + address); - mmiowb(); } /* returns pointer to our private structure */ diff --git a/drivers/mtd/nand/raw/txx9ndfmc.c b/drivers/mtd/nand/raw/txx9ndfmc.c index ddf0420c0997..97978227aa55 100644 --- a/drivers/mtd/nand/raw/txx9ndfmc.c +++ b/drivers/mtd/nand/raw/txx9ndfmc.c @@ -159,7 +159,6 @@ static void txx9ndfmc_cmd_ctrl(struct nand_chip *chip, int cmd, if ((ctrl & NAND_CTRL_CHANGE) && cmd == NAND_CMD_NONE) txx9ndfmc_write(dev, 0, TXX9_NDFDTR); } - mmiowb(); } static int txx9ndfmc_dev_ready(struct nand_chip *chip) diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index b59708c35faf..ee610721098e 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -3213,8 +3213,12 @@ static int bond_netdev_event(struct notifier_block *this, return NOTIFY_DONE; if (event_dev->flags & IFF_MASTER) { + int ret; + netdev_dbg(event_dev, "IFF_MASTER\n"); - return bond_master_netdev_event(event, event_dev); + ret = bond_master_netdev_event(event, event_dev); + if (ret != NOTIFY_DONE) + return ret; } if (event_dev->flags & IFF_SLAVE) { diff --git a/drivers/net/bonding/bond_sysfs_slave.c b/drivers/net/bonding/bond_sysfs_slave.c index 2f120b2ffef0..4985268e2273 100644 --- a/drivers/net/bonding/bond_sysfs_slave.c +++ b/drivers/net/bonding/bond_sysfs_slave.c @@ -55,7 +55,9 @@ static SLAVE_ATTR_RO(link_failure_count); static ssize_t perm_hwaddr_show(struct slave *slave, char *buf) { - return sprintf(buf, "%pM\n", slave->perm_hwaddr); + return sprintf(buf, "%*phC\n", + slave->dev->addr_len, + slave->perm_hwaddr); } static SLAVE_ATTR_RO(perm_hwaddr); diff --git a/drivers/net/dsa/bcm_sf2_cfp.c b/drivers/net/dsa/bcm_sf2_cfp.c index e6234d209787..4212bc4a5f31 100644 --- a/drivers/net/dsa/bcm_sf2_cfp.c +++ b/drivers/net/dsa/bcm_sf2_cfp.c @@ -886,6 +886,9 @@ static int bcm_sf2_cfp_rule_set(struct dsa_switch *ds, int port, fs->m_ext.data[1])) return -EINVAL; + if (fs->location != RX_CLS_LOC_ANY && fs->location >= CFP_NUM_RULES) + return -EINVAL; + if (fs->location != RX_CLS_LOC_ANY && test_bit(fs->location, priv->cfp.used)) return -EBUSY; @@ -974,6 +977,9 @@ static int bcm_sf2_cfp_rule_del(struct bcm_sf2_priv *priv, int port, u32 loc) struct cfp_rule *rule; int ret; + if (loc >= CFP_NUM_RULES) + return -EINVAL; + /* Refuse deleting unused rules, and those that are not unique since * that could leave IPv6 rules with one of the chained rule in the * table. diff --git a/drivers/net/dsa/mv88e6xxx/port.c b/drivers/net/dsa/mv88e6xxx/port.c index dce84a2a65c7..c44b2822e4dd 100644 --- a/drivers/net/dsa/mv88e6xxx/port.c +++ b/drivers/net/dsa/mv88e6xxx/port.c @@ -427,18 +427,22 @@ int mv88e6390x_port_set_cmode(struct mv88e6xxx_chip *chip, int port, return 0; lane = mv88e6390x_serdes_get_lane(chip, port); - if (lane < 0) + if (lane < 0 && lane != -ENODEV) return lane; - if (chip->ports[port].serdes_irq) { - err = mv88e6390_serdes_irq_disable(chip, port, lane); + if (lane >= 0) { + if (chip->ports[port].serdes_irq) { + err = mv88e6390_serdes_irq_disable(chip, port, lane); + if (err) + return err; + } + + err = mv88e6390x_serdes_power(chip, port, false); if (err) return err; } - err = mv88e6390x_serdes_power(chip, port, false); - if (err) - return err; + chip->ports[port].cmode = 0; if (cmode) { err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_STS, ®); @@ -452,6 +456,12 @@ int mv88e6390x_port_set_cmode(struct mv88e6xxx_chip *chip, int port, if (err) return err; + chip->ports[port].cmode = cmode; + + lane = mv88e6390x_serdes_get_lane(chip, port); + if (lane < 0) + return lane; + err = mv88e6390x_serdes_power(chip, port, true); if (err) return err; @@ -463,8 +473,6 @@ int mv88e6390x_port_set_cmode(struct mv88e6xxx_chip *chip, int port, } } - chip->ports[port].cmode = cmode; - return 0; } diff --git a/drivers/net/ethernet/aeroflex/greth.c b/drivers/net/ethernet/aeroflex/greth.c index 47e5984f16fb..3155f7fa83eb 100644 --- a/drivers/net/ethernet/aeroflex/greth.c +++ b/drivers/net/ethernet/aeroflex/greth.c @@ -613,7 +613,6 @@ static irqreturn_t greth_interrupt(int irq, void *dev_id) napi_schedule(&greth->napi); } - mmiowb(); spin_unlock(&greth->devlock); return retval; diff --git a/drivers/net/ethernet/alacritech/slicoss.c b/drivers/net/ethernet/alacritech/slicoss.c index 16477aa6d61f..4f7e792e50e9 100644 --- a/drivers/net/ethernet/alacritech/slicoss.c +++ b/drivers/net/ethernet/alacritech/slicoss.c @@ -345,8 +345,6 @@ static void slic_set_rx_mode(struct net_device *dev) if (sdev->promisc != set_promisc) { sdev->promisc = set_promisc; slic_configure_rcv(sdev); - /* make sure writes to receiver cant leak out of the lock */ - mmiowb(); } spin_unlock_bh(&sdev->link_lock); } @@ -1461,8 +1459,6 @@ static netdev_tx_t slic_xmit(struct sk_buff *skb, struct net_device *dev) if (slic_get_free_tx_descs(txq) < SLIC_MAX_REQ_TX_DESCS) netif_stop_queue(dev); - /* make sure writes to io-memory cant leak out of tx queue lock */ - mmiowb(); return NETDEV_TX_OK; drop_skb: diff --git a/drivers/net/ethernet/amazon/ena/ena_com.c b/drivers/net/ethernet/amazon/ena/ena_com.c index b17d435de09f..05798aa5bb73 100644 --- a/drivers/net/ethernet/amazon/ena/ena_com.c +++ b/drivers/net/ethernet/amazon/ena/ena_com.c @@ -2016,7 +2016,6 @@ void ena_com_aenq_intr_handler(struct ena_com_dev *dev, void *data) mb(); writel_relaxed((u32)aenq->head, dev->reg_bar + ENA_REGS_AENQ_HEAD_DB_OFF); - mmiowb(); } int ena_com_dev_reset(struct ena_com_dev *ena_dev, diff --git a/drivers/net/ethernet/atheros/atlx/atl1.c b/drivers/net/ethernet/atheros/atlx/atl1.c index 9e07b469066a..f35c9a75be50 100644 --- a/drivers/net/ethernet/atheros/atlx/atl1.c +++ b/drivers/net/ethernet/atheros/atlx/atl1.c @@ -1721,7 +1721,7 @@ static void atl1_inc_smb(struct atl1_adapter *adapter) adapter->soft_stats.scc += smb->tx_1_col; adapter->soft_stats.mcc += smb->tx_2_col; adapter->soft_stats.latecol += smb->tx_late_col; - adapter->soft_stats.tx_underun += smb->tx_underrun; + adapter->soft_stats.tx_underrun += smb->tx_underrun; adapter->soft_stats.tx_trunc += smb->tx_trunc; adapter->soft_stats.tx_pause += smb->tx_pause; @@ -2439,7 +2439,6 @@ static netdev_tx_t atl1_xmit_frame(struct sk_buff *skb, atl1_tx_map(adapter, skb, ptpd); atl1_tx_queue(adapter, count, ptpd); atl1_update_mailbox(adapter); - mmiowb(); return NETDEV_TX_OK; } @@ -3179,7 +3178,7 @@ static struct atl1_stats atl1_gstrings_stats[] = { {"tx_deferred_ok", ATL1_STAT(soft_stats.deffer)}, {"tx_single_coll_ok", ATL1_STAT(soft_stats.scc)}, {"tx_multi_coll_ok", ATL1_STAT(soft_stats.mcc)}, - {"tx_underun", ATL1_STAT(soft_stats.tx_underun)}, + {"tx_underrun", ATL1_STAT(soft_stats.tx_underrun)}, {"tx_trunc", ATL1_STAT(soft_stats.tx_trunc)}, {"tx_pause", ATL1_STAT(soft_stats.tx_pause)}, {"rx_pause", ATL1_STAT(soft_stats.rx_pause)}, diff --git a/drivers/net/ethernet/atheros/atlx/atl1.h b/drivers/net/ethernet/atheros/atlx/atl1.h index 34a58cd846a0..eacff19ea05b 100644 --- a/drivers/net/ethernet/atheros/atlx/atl1.h +++ b/drivers/net/ethernet/atheros/atlx/atl1.h @@ -681,7 +681,7 @@ struct atl1_sft_stats { u64 scc; /* packets TX after a single collision */ u64 mcc; /* packets TX after multiple collisions */ u64 latecol; /* TX packets w/ late collisions */ - u64 tx_underun; /* TX packets aborted due to TX FIFO underrun + u64 tx_underrun; /* TX packets aborted due to TX FIFO underrun * or TRD FIFO underrun */ u64 tx_trunc; /* TX packets truncated due to size > MTU */ u64 rx_pause; /* num Pause packets received. */ diff --git a/drivers/net/ethernet/atheros/atlx/atl2.c b/drivers/net/ethernet/atheros/atlx/atl2.c index d99317b3d891..dd81c5863111 100644 --- a/drivers/net/ethernet/atheros/atlx/atl2.c +++ b/drivers/net/ethernet/atheros/atlx/atl2.c @@ -553,7 +553,7 @@ static void atl2_intr_tx(struct atl2_adapter *adapter) netdev->stats.tx_aborted_errors++; if (txs->late_col) netdev->stats.tx_window_errors++; - if (txs->underun) + if (txs->underrun) netdev->stats.tx_fifo_errors++; } while (1); @@ -908,7 +908,6 @@ static netdev_tx_t atl2_xmit_frame(struct sk_buff *skb, ATL2_WRITE_REGW(&adapter->hw, REG_MB_TXD_WR_IDX, (adapter->txd_write_ptr >> 2)); - mmiowb(); dev_consume_skb_any(skb); return NETDEV_TX_OK; } diff --git a/drivers/net/ethernet/atheros/atlx/atl2.h b/drivers/net/ethernet/atheros/atlx/atl2.h index c64a6bdfa7ae..25ec84cb4853 100644 --- a/drivers/net/ethernet/atheros/atlx/atl2.h +++ b/drivers/net/ethernet/atheros/atlx/atl2.h @@ -260,7 +260,7 @@ struct tx_pkt_status { unsigned multi_col:1; unsigned late_col:1; unsigned abort_col:1; - unsigned underun:1; /* current packet is aborted + unsigned underrun:1; /* current packet is aborted * due to txram underrun */ unsigned:3; /* reserved */ unsigned update:1; /* always 1'b1 in tx_status_buf */ diff --git a/drivers/net/ethernet/broadcom/bnx2.c b/drivers/net/ethernet/broadcom/bnx2.c index d63371d70bce..dfdd14eadd57 100644 --- a/drivers/net/ethernet/broadcom/bnx2.c +++ b/drivers/net/ethernet/broadcom/bnx2.c @@ -3305,8 +3305,6 @@ next_rx: BNX2_WR(bp, rxr->rx_bseq_addr, rxr->rx_prod_bseq); - mmiowb(); - return rx_pkt; } @@ -6723,8 +6721,6 @@ bnx2_start_xmit(struct sk_buff *skb, struct net_device *dev) BNX2_WR16(bp, txr->tx_bidx_addr, prod); BNX2_WR(bp, txr->tx_bseq_addr, txr->tx_prod_bseq); - mmiowb(); - txr->tx_prod = prod; if (unlikely(bnx2_tx_avail(bp, txr) <= MAX_SKB_FRAGS)) { diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c index ecb1bd7eb508..0c8f5b546c6f 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c @@ -4166,8 +4166,6 @@ netdev_tx_t bnx2x_start_xmit(struct sk_buff *skb, struct net_device *dev) DOORBELL_RELAXED(bp, txdata->cid, txdata->tx_db.raw); - mmiowb(); - txdata->tx_bd_prod += nbd; if (unlikely(bnx2x_tx_avail(bp, txdata) < MAX_DESC_PER_TX_PKT)) { diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h index 2462e7aa0c5d..2d57af9c061c 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h @@ -527,8 +527,6 @@ static inline void bnx2x_update_rx_prod(struct bnx2x *bp, REG_WR_RELAXED(bp, fp->ustorm_rx_prods_offset + i * 4, ((u32 *)&rx_prods)[i]); - mmiowb(); /* keep prod updates ordered */ - DP(NETIF_MSG_RX_STATUS, "queue[%d]: wrote bd_prod %u cqe_prod %u sge_prod %u\n", fp->index, bd_prod, rx_comp_prod, rx_sge_prod); @@ -653,7 +651,6 @@ static inline void bnx2x_igu_ack_sb_gen(struct bnx2x *bp, u8 igu_sb_id, REG_WR(bp, igu_addr, cmd_data.sb_id_and_flags); /* Make sure that ACK is written */ - mmiowb(); barrier(); } @@ -674,7 +671,6 @@ static inline void bnx2x_hc_ack_sb(struct bnx2x *bp, u8 sb_id, REG_WR(bp, hc_addr, (*(u32 *)&igu_ack)); /* Make sure that ACK is written */ - mmiowb(); barrier(); } diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c index 749d0ef44371..0745cccd416d 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c @@ -2623,7 +2623,6 @@ static int bnx2x_run_loopback(struct bnx2x *bp, int loopback_mode) wmb(); DOORBELL_RELAXED(bp, txdata->cid, txdata->tx_db.raw); - mmiowb(); barrier(); num_pkts++; diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c index 626b491f7674..3716c828ff5d 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c @@ -869,9 +869,6 @@ static void bnx2x_hc_int_disable(struct bnx2x *bp) "write %x to HC %d (addr 0x%x)\n", val, port, addr); - /* flush all outstanding writes */ - mmiowb(); - REG_WR(bp, addr, val); if (REG_RD(bp, addr) != val) BNX2X_ERR("BUG! Proper val not read from IGU!\n"); @@ -887,9 +884,6 @@ static void bnx2x_igu_int_disable(struct bnx2x *bp) DP(NETIF_MSG_IFDOWN, "write %x to IGU\n", val); - /* flush all outstanding writes */ - mmiowb(); - REG_WR(bp, IGU_REG_PF_CONFIGURATION, val); if (REG_RD(bp, IGU_REG_PF_CONFIGURATION) != val) BNX2X_ERR("BUG! Proper val not read from IGU!\n"); @@ -1595,7 +1589,6 @@ static void bnx2x_hc_int_enable(struct bnx2x *bp) /* * Ensure that HC_CONFIG is written before leading/trailing edge config */ - mmiowb(); barrier(); if (!CHIP_IS_E1(bp)) { @@ -1611,9 +1604,6 @@ static void bnx2x_hc_int_enable(struct bnx2x *bp) REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val); REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val); } - - /* Make sure that interrupts are indeed enabled from here on */ - mmiowb(); } static void bnx2x_igu_int_enable(struct bnx2x *bp) @@ -1674,9 +1664,6 @@ static void bnx2x_igu_int_enable(struct bnx2x *bp) REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, val); REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, val); - - /* Make sure that interrupts are indeed enabled from here on */ - mmiowb(); } void bnx2x_int_enable(struct bnx2x *bp) @@ -3833,7 +3820,6 @@ static void bnx2x_sp_prod_update(struct bnx2x *bp) REG_WR16_RELAXED(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_PROD_OFFSET(func), bp->spq_prod_idx); - mmiowb(); } /** @@ -5244,7 +5230,6 @@ static void bnx2x_update_eq_prod(struct bnx2x *bp, u16 prod) { /* No memory barriers */ storm_memset_eq_prod(bp, prod, BP_FUNC(bp)); - mmiowb(); /* keep prod updates ordered */ } static int bnx2x_cnic_handle_cfc_del(struct bnx2x *bp, u32 cid, @@ -6513,7 +6498,6 @@ void bnx2x_nic_init_cnic(struct bnx2x *bp) /* flush all */ mb(); - mmiowb(); } void bnx2x_pre_irq_nic_init(struct bnx2x *bp) @@ -6553,7 +6537,6 @@ void bnx2x_post_irq_nic_init(struct bnx2x *bp, u32 load_code) /* flush all before enabling interrupts */ mb(); - mmiowb(); bnx2x_int_enable(bp); @@ -7775,12 +7758,10 @@ void bnx2x_igu_clear_sb_gen(struct bnx2x *bp, u8 func, u8 idu_sb_id, bool is_pf) DP(NETIF_MSG_HW, "write 0x%08x to IGU(via GRC) addr 0x%x\n", data, igu_addr_data); REG_WR(bp, igu_addr_data, data); - mmiowb(); barrier(); DP(NETIF_MSG_HW, "write 0x%08x to IGU(via GRC) addr 0x%x\n", ctl, igu_addr_ctl); REG_WR(bp, igu_addr_ctl, ctl); - mmiowb(); barrier(); /* wait for clean up to finish */ @@ -9550,7 +9531,6 @@ static void bnx2x_set_234_gates(struct bnx2x *bp, bool close) DP(NETIF_MSG_HW | NETIF_MSG_IFUP, "%s gates #2, #3 and #4\n", close ? "closing" : "opening"); - mmiowb(); } #define SHARED_MF_CLP_MAGIC 0x80000000 /* `magic' bit */ @@ -9674,7 +9654,6 @@ static void bnx2x_pxp_prep(struct bnx2x *bp) if (!CHIP_IS_E1(bp)) { REG_WR(bp, PXP2_REG_RD_START_INIT, 0); REG_WR(bp, PXP2_REG_RQ_RBC_DONE, 0); - mmiowb(); } } @@ -9774,16 +9753,13 @@ static void bnx2x_process_kill_chip_reset(struct bnx2x *bp, bool global) reset_mask1 & (~not_reset_mask1)); barrier(); - mmiowb(); REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, reset_mask2 & (~stay_reset2)); barrier(); - mmiowb(); REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, reset_mask1); - mmiowb(); } /** @@ -9867,9 +9843,6 @@ static int bnx2x_process_kill(struct bnx2x *bp, bool global) REG_WR(bp, MISC_REG_UNPREPARED, 0); barrier(); - /* Make sure all is written to the chip before the reset */ - mmiowb(); - /* Wait for 1ms to empty GLUE and PCI-E core queues, * PSWHST, GRC and PSWRD Tetris buffer. */ @@ -14828,7 +14801,6 @@ static int bnx2x_drv_ctl(struct net_device *dev, struct drv_ctl_info *ctl) if (rc) break; - mmiowb(); barrier(); /* Start accepting on iSCSI L2 ring */ @@ -14863,7 +14835,6 @@ static int bnx2x_drv_ctl(struct net_device *dev, struct drv_ctl_info *ctl) if (!bnx2x_wait_sp_comp(bp, sp_bits)) BNX2X_ERR("rx_mode completion timed out!\n"); - mmiowb(); barrier(); /* Unset iSCSI L2 MAC */ diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c index 7b22a6d8514c..80d250a6d048 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c @@ -5039,7 +5039,6 @@ static inline int bnx2x_q_init(struct bnx2x *bp, /* As no ramrod is sent, complete the command immediately */ o->complete_cmd(bp, o, BNX2X_Q_CMD_INIT); - mmiowb(); smp_mb(); return 0; diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c index c97b642e6537..0edbb0a76847 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c @@ -100,13 +100,11 @@ static void bnx2x_vf_igu_ack_sb(struct bnx2x *bp, struct bnx2x_virtf *vf, DP(NETIF_MSG_HW, "write 0x%08x to IGU(via GRC) addr 0x%x\n", cmd_data.sb_id_and_flags, igu_addr_data); REG_WR(bp, igu_addr_data, cmd_data.sb_id_and_flags); - mmiowb(); barrier(); DP(NETIF_MSG_HW, "write 0x%08x to IGU(via GRC) addr 0x%x\n", ctl, igu_addr_ctl); REG_WR(bp, igu_addr_ctl, ctl); - mmiowb(); barrier(); } diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_vfpf.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_vfpf.c index a9bdc21873d3..0752b7fa4d9c 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_vfpf.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_vfpf.c @@ -172,8 +172,6 @@ static int bnx2x_send_msg2pf(struct bnx2x *bp, u8 *done, dma_addr_t msg_mapping) /* Trigger the PF FW */ writeb_relaxed(1, &zone_data->trigger.vf_pf_channel.addr_valid); - mmiowb(); - /* Wait for PF to complete */ while ((tout >= 0) && (!*done)) { msleep(interval); @@ -957,7 +955,7 @@ int bnx2x_vfpf_update_vlan(struct bnx2x *bp, u16 vid, u8 vf_qid, bool add) bnx2x_sample_bulletin(bp); if (bp->shadow_bulletin.content.valid_bitmap & 1 << VLAN_VALID) { - BNX2X_ERR("Hypervisor will dicline the request, avoiding\n"); + BNX2X_ERR("Hypervisor will decline the request, avoiding\n"); rc = -EINVAL; goto out; } @@ -1179,7 +1177,6 @@ static void bnx2x_vf_mbx_resp_send_msg(struct bnx2x *bp, /* ack the FW */ storm_memset_vf_mbx_ack(bp, vf->abs_vfid); - mmiowb(); /* copy the response header including status-done field, * must be last dmae, must be after FW is acked @@ -2174,7 +2171,6 @@ static void bnx2x_vf_mbx_request(struct bnx2x *bp, struct bnx2x_virtf *vf, */ storm_memset_vf_mbx_ack(bp, vf->abs_vfid); /* Firmware ack should be written before unlocking channel */ - mmiowb(); bnx2x_unlock_vf_pf_channel(bp, vf, mbx->first_tlv.tl.type); } } diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c index 0bb9d7b3a2b6..2a4341708c0f 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c @@ -556,8 +556,6 @@ normal_tx: tx_done: - mmiowb(); - if (unlikely(bnxt_tx_avail(bp, txr) <= MAX_SKB_FRAGS + 1)) { if (skb->xmit_more && !tx_buf->is_push) bnxt_db_write(bp, &txr->tx_db, prod); @@ -1133,6 +1131,8 @@ static void bnxt_tpa_start(struct bnxt *bp, struct bnxt_rx_ring_info *rxr, tpa_info = &rxr->rx_tpa[agg_id]; if (unlikely(cons != rxr->rx_next_cons)) { + netdev_warn(bp->dev, "TPA cons %x != expected cons %x\n", + cons, rxr->rx_next_cons); bnxt_sched_reset(bp, rxr); return; } @@ -1585,15 +1585,17 @@ static int bnxt_rx_pkt(struct bnxt *bp, struct bnxt_cp_ring_info *cpr, } cons = rxcmp->rx_cmp_opaque; - rx_buf = &rxr->rx_buf_ring[cons]; - data = rx_buf->data; - data_ptr = rx_buf->data_ptr; if (unlikely(cons != rxr->rx_next_cons)) { int rc1 = bnxt_discard_rx(bp, cpr, raw_cons, rxcmp); + netdev_warn(bp->dev, "RX cons %x != expected cons %x\n", + cons, rxr->rx_next_cons); bnxt_sched_reset(bp, rxr); return rc1; } + rx_buf = &rxr->rx_buf_ring[cons]; + data = rx_buf->data; + data_ptr = rx_buf->data_ptr; prefetch(data_ptr); misc = le32_to_cpu(rxcmp->rx_cmp_misc_v1); @@ -1610,12 +1612,18 @@ static int bnxt_rx_pkt(struct bnxt *bp, struct bnxt_cp_ring_info *cpr, rx_buf->data = NULL; if (rxcmp1->rx_cmp_cfa_code_errors_v2 & RX_CMP_L2_ERRORS) { + u32 rx_err = le32_to_cpu(rxcmp1->rx_cmp_cfa_code_errors_v2); + bnxt_reuse_rx_data(rxr, cons, data); if (agg_bufs) bnxt_reuse_rx_agg_bufs(cpr, cp_cons, agg_bufs); rc = -EIO; - goto next_rx; + if (rx_err & RX_CMPL_ERRORS_BUFFER_ERROR_MASK) { + netdev_warn(bp->dev, "RX buffer error %x\n", rx_err); + bnxt_sched_reset(bp, rxr); + } + goto next_rx_no_len; } len = le32_to_cpu(rxcmp->rx_cmp_len_flags_type) >> RX_CMP_LEN_SHIFT; @@ -1696,12 +1704,13 @@ static int bnxt_rx_pkt(struct bnxt *bp, struct bnxt_cp_ring_info *cpr, rc = 1; next_rx: - rxr->rx_prod = NEXT_RX(prod); - rxr->rx_next_cons = NEXT_RX(cons); - cpr->rx_packets += 1; cpr->rx_bytes += len; +next_rx_no_len: + rxr->rx_prod = NEXT_RX(prod); + rxr->rx_next_cons = NEXT_RX(cons); + next_rx_no_prod_no_len: *raw_cons = tmp_raw_cons; @@ -2123,7 +2132,6 @@ static int bnxt_poll(struct napi_struct *napi, int budget) &dim_sample); net_dim(&cpr->dim, dim_sample); } - mmiowb(); return work_done; } @@ -5125,10 +5133,10 @@ static void bnxt_hwrm_ring_free(struct bnxt *bp, bool close_path) for (i = 0; i < bp->tx_nr_rings; i++) { struct bnxt_tx_ring_info *txr = &bp->tx_ring[i]; struct bnxt_ring_struct *ring = &txr->tx_ring_struct; - u32 cmpl_ring_id; - cmpl_ring_id = bnxt_cp_ring_for_tx(bp, txr); if (ring->fw_ring_id != INVALID_HW_RING_ID) { + u32 cmpl_ring_id = bnxt_cp_ring_for_tx(bp, txr); + hwrm_ring_free_send_msg(bp, ring, RING_FREE_REQ_RING_TYPE_TX, close_path ? cmpl_ring_id : @@ -5141,10 +5149,10 @@ static void bnxt_hwrm_ring_free(struct bnxt *bp, bool close_path) struct bnxt_rx_ring_info *rxr = &bp->rx_ring[i]; struct bnxt_ring_struct *ring = &rxr->rx_ring_struct; u32 grp_idx = rxr->bnapi->index; - u32 cmpl_ring_id; - cmpl_ring_id = bnxt_cp_ring_for_rx(bp, rxr); if (ring->fw_ring_id != INVALID_HW_RING_ID) { + u32 cmpl_ring_id = bnxt_cp_ring_for_rx(bp, rxr); + hwrm_ring_free_send_msg(bp, ring, RING_FREE_REQ_RING_TYPE_RX, close_path ? cmpl_ring_id : @@ -5163,10 +5171,10 @@ static void bnxt_hwrm_ring_free(struct bnxt *bp, bool close_path) struct bnxt_rx_ring_info *rxr = &bp->rx_ring[i]; struct bnxt_ring_struct *ring = &rxr->rx_agg_ring_struct; u32 grp_idx = rxr->bnapi->index; - u32 cmpl_ring_id; - cmpl_ring_id = bnxt_cp_ring_for_rx(bp, rxr); if (ring->fw_ring_id != INVALID_HW_RING_ID) { + u32 cmpl_ring_id = bnxt_cp_ring_for_rx(bp, rxr); + hwrm_ring_free_send_msg(bp, ring, type, close_path ? cmpl_ring_id : INVALID_HW_RING_ID); @@ -5305,17 +5313,16 @@ __bnxt_hwrm_reserve_pf_rings(struct bnxt *bp, struct hwrm_func_cfg_input *req, req->num_tx_rings = cpu_to_le16(tx_rings); if (BNXT_NEW_RM(bp)) { enables |= rx_rings ? FUNC_CFG_REQ_ENABLES_NUM_RX_RINGS : 0; + enables |= stats ? FUNC_CFG_REQ_ENABLES_NUM_STAT_CTXS : 0; if (bp->flags & BNXT_FLAG_CHIP_P5) { enables |= cp_rings ? FUNC_CFG_REQ_ENABLES_NUM_MSIX : 0; enables |= tx_rings + ring_grps ? - FUNC_CFG_REQ_ENABLES_NUM_CMPL_RINGS | - FUNC_CFG_REQ_ENABLES_NUM_STAT_CTXS : 0; + FUNC_CFG_REQ_ENABLES_NUM_CMPL_RINGS : 0; enables |= rx_rings ? FUNC_CFG_REQ_ENABLES_NUM_RSSCOS_CTXS : 0; } else { enables |= cp_rings ? - FUNC_CFG_REQ_ENABLES_NUM_CMPL_RINGS | - FUNC_CFG_REQ_ENABLES_NUM_STAT_CTXS : 0; + FUNC_CFG_REQ_ENABLES_NUM_CMPL_RINGS : 0; enables |= ring_grps ? FUNC_CFG_REQ_ENABLES_NUM_HW_RING_GRPS | FUNC_CFG_REQ_ENABLES_NUM_RSSCOS_CTXS : 0; @@ -5355,14 +5362,13 @@ __bnxt_hwrm_reserve_vf_rings(struct bnxt *bp, enables |= tx_rings ? FUNC_VF_CFG_REQ_ENABLES_NUM_TX_RINGS : 0; enables |= rx_rings ? FUNC_VF_CFG_REQ_ENABLES_NUM_RX_RINGS | FUNC_VF_CFG_REQ_ENABLES_NUM_RSSCOS_CTXS : 0; + enables |= stats ? FUNC_VF_CFG_REQ_ENABLES_NUM_STAT_CTXS : 0; if (bp->flags & BNXT_FLAG_CHIP_P5) { enables |= tx_rings + ring_grps ? - FUNC_VF_CFG_REQ_ENABLES_NUM_CMPL_RINGS | - FUNC_VF_CFG_REQ_ENABLES_NUM_STAT_CTXS : 0; + FUNC_VF_CFG_REQ_ENABLES_NUM_CMPL_RINGS : 0; } else { enables |= cp_rings ? - FUNC_VF_CFG_REQ_ENABLES_NUM_CMPL_RINGS | - FUNC_VF_CFG_REQ_ENABLES_NUM_STAT_CTXS : 0; + FUNC_VF_CFG_REQ_ENABLES_NUM_CMPL_RINGS : 0; enables |= ring_grps ? FUNC_VF_CFG_REQ_ENABLES_NUM_HW_RING_GRPS : 0; } @@ -6743,6 +6749,7 @@ static int bnxt_hwrm_port_qstats_ext(struct bnxt *bp) struct hwrm_queue_pri2cos_qcfg_input req2 = {0}; struct hwrm_port_qstats_ext_input req = {0}; struct bnxt_pf_info *pf = &bp->pf; + u32 tx_stat_size; int rc; if (!(bp->flags & BNXT_FLAG_PORT_STATS_EXT)) @@ -6752,13 +6759,16 @@ static int bnxt_hwrm_port_qstats_ext(struct bnxt *bp) req.port_id = cpu_to_le16(pf->port_id); req.rx_stat_size = cpu_to_le16(sizeof(struct rx_port_stats_ext)); req.rx_stat_host_addr = cpu_to_le64(bp->hw_rx_port_stats_ext_map); - req.tx_stat_size = cpu_to_le16(sizeof(struct tx_port_stats_ext)); + tx_stat_size = bp->hw_tx_port_stats_ext ? + sizeof(*bp->hw_tx_port_stats_ext) : 0; + req.tx_stat_size = cpu_to_le16(tx_stat_size); req.tx_stat_host_addr = cpu_to_le64(bp->hw_tx_port_stats_ext_map); mutex_lock(&bp->hwrm_cmd_lock); rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); if (!rc) { bp->fw_rx_stats_ext_size = le16_to_cpu(resp->rx_stat_size) / 8; - bp->fw_tx_stats_ext_size = le16_to_cpu(resp->tx_stat_size) / 8; + bp->fw_tx_stats_ext_size = tx_stat_size ? + le16_to_cpu(resp->tx_stat_size) / 8 : 0; } else { bp->fw_rx_stats_ext_size = 0; bp->fw_tx_stats_ext_size = 0; @@ -8951,8 +8961,15 @@ static int bnxt_cfg_rx_mode(struct bnxt *bp) skip_uc: rc = bnxt_hwrm_cfa_l2_set_rx_mask(bp, 0); + if (rc && vnic->mc_list_count) { + netdev_info(bp->dev, "Failed setting MC filters rc: %d, turning on ALL_MCAST mode\n", + rc); + vnic->rx_mask |= CFA_L2_SET_RX_MASK_REQ_MASK_ALL_MCAST; + vnic->mc_list_count = 0; + rc = bnxt_hwrm_cfa_l2_set_rx_mask(bp, 0); + } if (rc) - netdev_err(bp->dev, "HWRM cfa l2 rx mask failure rc: %x\n", + netdev_err(bp->dev, "HWRM cfa l2 rx mask failure rc: %d\n", rc); return rc; @@ -10675,6 +10692,7 @@ init_err_cleanup_tc: bnxt_clear_int_mode(bp); init_err_pci_clean: + bnxt_free_hwrm_short_cmd_req(bp); bnxt_free_hwrm_resources(bp); bnxt_free_ctx_mem(bp); kfree(bp->ctx); diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c index 328373e0578f..2aebd4bbb67d 100644 --- a/drivers/net/ethernet/broadcom/tg3.c +++ b/drivers/net/ethernet/broadcom/tg3.c @@ -1073,7 +1073,6 @@ static void tg3_int_reenable(struct tg3_napi *tnapi) struct tg3 *tp = tnapi->tp; tw32_mailbox(tnapi->int_mbox, tnapi->last_tag << 24); - mmiowb(); /* When doing tagged status, this work check is unnecessary. * The last_tag we write above tells the chip which piece of @@ -4283,7 +4282,7 @@ static void tg3_power_down(struct tg3 *tp) pci_set_power_state(tp->pdev, PCI_D3hot); } -static void tg3_aux_stat_to_speed_duplex(struct tg3 *tp, u32 val, u16 *speed, u8 *duplex) +static void tg3_aux_stat_to_speed_duplex(struct tg3 *tp, u32 val, u32 *speed, u8 *duplex) { switch (val & MII_TG3_AUX_STAT_SPDMASK) { case MII_TG3_AUX_STAT_10HALF: @@ -4787,7 +4786,7 @@ static int tg3_setup_copper_phy(struct tg3 *tp, bool force_reset) bool current_link_up; u32 bmsr, val; u32 lcl_adv, rmt_adv; - u16 current_speed; + u32 current_speed; u8 current_duplex; int i, err; @@ -5719,7 +5718,7 @@ out: static int tg3_setup_fiber_phy(struct tg3 *tp, bool force_reset) { u32 orig_pause_cfg; - u16 orig_active_speed; + u32 orig_active_speed; u8 orig_active_duplex; u32 mac_status; bool current_link_up; @@ -5823,7 +5822,7 @@ static int tg3_setup_fiber_mii_phy(struct tg3 *tp, bool force_reset) { int err = 0; u32 bmsr, bmcr; - u16 current_speed = SPEED_UNKNOWN; + u32 current_speed = SPEED_UNKNOWN; u8 current_duplex = DUPLEX_UNKNOWN; bool current_link_up = false; u32 local_adv, remote_adv, sgsr; @@ -6999,7 +6998,6 @@ next_pkt_nopost: tw32_rx_mbox(TG3_RX_JMB_PROD_IDX_REG, tpr->rx_jmb_prod_idx); } - mmiowb(); } else if (work_mask) { /* rx_std_buffers[] and rx_jmb_buffers[] entries must be * updated before the producer indices can be updated. @@ -7210,8 +7208,6 @@ static int tg3_poll_work(struct tg3_napi *tnapi, int work_done, int budget) tw32_rx_mbox(TG3_RX_JMB_PROD_IDX_REG, dpr->rx_jmb_prod_idx); - mmiowb(); - if (err) tw32_f(HOSTCC_MODE, tp->coal_now); } @@ -7278,7 +7274,6 @@ static int tg3_poll_msix(struct napi_struct *napi, int budget) HOSTCC_MODE_ENABLE | tnapi->coal_now); } - mmiowb(); break; } } @@ -8159,7 +8154,6 @@ static netdev_tx_t tg3_start_xmit(struct sk_buff *skb, struct net_device *dev) if (!skb->xmit_more || netif_xmit_stopped(txq)) { /* Packets are ready, update Tx producer idx on card. */ tw32_tx_mbox(tnapi->prodmbox, entry); - mmiowb(); } return NETDEV_TX_OK; diff --git a/drivers/net/ethernet/broadcom/tg3.h b/drivers/net/ethernet/broadcom/tg3.h index a772a33b685c..6953d0546acb 100644 --- a/drivers/net/ethernet/broadcom/tg3.h +++ b/drivers/net/ethernet/broadcom/tg3.h @@ -2873,7 +2873,7 @@ struct tg3_tx_ring_info { struct tg3_link_config { /* Describes what we're trying to get. */ u32 advertising; - u16 speed; + u32 speed; u8 duplex; u8 autoneg; u8 flowctrl; @@ -2882,7 +2882,7 @@ struct tg3_link_config { u8 active_flowctrl; u8 active_duplex; - u16 active_speed; + u32 active_speed; u32 rmt_adv; }; diff --git a/drivers/net/ethernet/cadence/macb_main.c b/drivers/net/ethernet/cadence/macb_main.c index 1522aee81884..3da2795e2486 100644 --- a/drivers/net/ethernet/cadence/macb_main.c +++ b/drivers/net/ethernet/cadence/macb_main.c @@ -898,7 +898,9 @@ static void macb_tx_interrupt(struct macb_queue *queue) /* First, update TX stats if needed */ if (skb) { - if (gem_ptp_do_txstamp(queue, skb, desc) == 0) { + if (unlikely(skb_shinfo(skb)->tx_flags & + SKBTX_HW_TSTAMP) && + gem_ptp_do_txstamp(queue, skb, desc) == 0) { /* skb now belongs to timestamp buffer * and will be removed later */ diff --git a/drivers/net/ethernet/cavium/liquidio/cn66xx_device.c b/drivers/net/ethernet/cavium/liquidio/cn66xx_device.c index 2df7440f58df..39643be8c30a 100644 --- a/drivers/net/ethernet/cavium/liquidio/cn66xx_device.c +++ b/drivers/net/ethernet/cavium/liquidio/cn66xx_device.c @@ -38,9 +38,6 @@ int lio_cn6xxx_soft_reset(struct octeon_device *oct) lio_pci_readq(oct, CN6XXX_CIU_SOFT_RST); lio_pci_writeq(oct, 1, CN6XXX_CIU_SOFT_RST); - /* make sure that the reset is written before starting timer */ - mmiowb(); - /* Wait for 10ms as Octeon resets. */ mdelay(100); @@ -487,9 +484,6 @@ void lio_cn6xxx_disable_interrupt(struct octeon_device *oct, /* Disable Interrupts */ writeq(0, cn6xxx->intr_enb_reg64); - - /* make sure interrupts are really disabled */ - mmiowb(); } static void lio_cn6xxx_get_pcie_qlmport(struct octeon_device *oct) @@ -555,10 +549,6 @@ static int lio_cn6xxx_process_droq_intr_regs(struct octeon_device *oct) value &= ~(1 << oq_no); octeon_write_csr(oct, reg, value); - /* Ensure that the enable register is written. - */ - mmiowb(); - spin_unlock(&cn6xxx->lock_for_droq_int_enb_reg); } } diff --git a/drivers/net/ethernet/cavium/liquidio/octeon_device.c b/drivers/net/ethernet/cavium/liquidio/octeon_device.c index ce8c3f818666..934115d18488 100644 --- a/drivers/net/ethernet/cavium/liquidio/octeon_device.c +++ b/drivers/net/ethernet/cavium/liquidio/octeon_device.c @@ -1449,7 +1449,6 @@ void lio_enable_irq(struct octeon_droq *droq, struct octeon_instr_queue *iq) iq->pkt_in_done -= iq->pkts_processed; iq->pkts_processed = 0; /* this write needs to be flushed before we release the lock */ - mmiowb(); spin_unlock_bh(&iq->lock); oct = iq->oct_dev; } diff --git a/drivers/net/ethernet/cavium/liquidio/octeon_droq.c b/drivers/net/ethernet/cavium/liquidio/octeon_droq.c index a0c099f71524..017169023cca 100644 --- a/drivers/net/ethernet/cavium/liquidio/octeon_droq.c +++ b/drivers/net/ethernet/cavium/liquidio/octeon_droq.c @@ -513,8 +513,6 @@ int octeon_retry_droq_refill(struct octeon_droq *droq) */ wmb(); writel(desc_refilled, droq->pkts_credit_reg); - /* make sure mmio write completes */ - mmiowb(); if (pkts_credit + desc_refilled >= CN23XX_SLI_DEF_BP) reschedule = 0; @@ -712,8 +710,6 @@ octeon_droq_fast_process_packets(struct octeon_device *oct, */ wmb(); writel(desc_refilled, droq->pkts_credit_reg); - /* make sure mmio write completes */ - mmiowb(); } } } /* for (each packet)... */ diff --git a/drivers/net/ethernet/cavium/liquidio/request_manager.c b/drivers/net/ethernet/cavium/liquidio/request_manager.c index c6f4cbda040f..fcf20a8f92d9 100644 --- a/drivers/net/ethernet/cavium/liquidio/request_manager.c +++ b/drivers/net/ethernet/cavium/liquidio/request_manager.c @@ -278,7 +278,6 @@ ring_doorbell(struct octeon_device *oct, struct octeon_instr_queue *iq) if (atomic_read(&oct->status) == OCT_DEV_RUNNING) { writel(iq->fill_cnt, iq->doorbell_reg); /* make sure doorbell write goes through */ - mmiowb(); iq->fill_cnt = 0; iq->last_db_time = jiffies; return; diff --git a/drivers/net/ethernet/cavium/thunder/nicvf_main.c b/drivers/net/ethernet/cavium/thunder/nicvf_main.c index aa2be4807191..c032bef1b776 100644 --- a/drivers/net/ethernet/cavium/thunder/nicvf_main.c +++ b/drivers/net/ethernet/cavium/thunder/nicvf_main.c @@ -32,6 +32,13 @@ #define DRV_NAME "nicvf" #define DRV_VERSION "1.0" +/* NOTE: Packets bigger than 1530 are split across multiple pages and XDP needs + * the buffer to be contiguous. Allow XDP to be set up only if we don't exceed + * this value, keeping headroom for the 14 byte Ethernet header and two + * VLAN tags (for QinQ) + */ +#define MAX_XDP_MTU (1530 - ETH_HLEN - VLAN_HLEN * 2) + /* Supported devices */ static const struct pci_device_id nicvf_id_table[] = { { PCI_DEVICE_SUB(PCI_VENDOR_ID_CAVIUM, @@ -1328,10 +1335,11 @@ int nicvf_stop(struct net_device *netdev) struct nicvf_cq_poll *cq_poll = NULL; union nic_mbx mbx = {}; - cancel_delayed_work_sync(&nic->link_change_work); - /* wait till all queued set_rx_mode tasks completes */ - drain_workqueue(nic->nicvf_rx_mode_wq); + if (nic->nicvf_rx_mode_wq) { + cancel_delayed_work_sync(&nic->link_change_work); + drain_workqueue(nic->nicvf_rx_mode_wq); + } mbx.msg.msg = NIC_MBOX_MSG_SHUTDOWN; nicvf_send_msg_to_pf(nic, &mbx); @@ -1452,7 +1460,8 @@ int nicvf_open(struct net_device *netdev) struct nicvf_cq_poll *cq_poll = NULL; /* wait till all queued set_rx_mode tasks completes if any */ - drain_workqueue(nic->nicvf_rx_mode_wq); + if (nic->nicvf_rx_mode_wq) + drain_workqueue(nic->nicvf_rx_mode_wq); netif_carrier_off(netdev); @@ -1550,10 +1559,12 @@ int nicvf_open(struct net_device *netdev) /* Send VF config done msg to PF */ nicvf_send_cfg_done(nic); - INIT_DELAYED_WORK(&nic->link_change_work, - nicvf_link_status_check_task); - queue_delayed_work(nic->nicvf_rx_mode_wq, - &nic->link_change_work, 0); + if (nic->nicvf_rx_mode_wq) { + INIT_DELAYED_WORK(&nic->link_change_work, + nicvf_link_status_check_task); + queue_delayed_work(nic->nicvf_rx_mode_wq, + &nic->link_change_work, 0); + } return 0; cleanup: @@ -1578,6 +1589,15 @@ static int nicvf_change_mtu(struct net_device *netdev, int new_mtu) struct nicvf *nic = netdev_priv(netdev); int orig_mtu = netdev->mtu; + /* For now just support only the usual MTU sized frames, + * plus some headroom for VLAN, QinQ. + */ + if (nic->xdp_prog && new_mtu > MAX_XDP_MTU) { + netdev_warn(netdev, "Jumbo frames not yet supported with XDP, current MTU %d.\n", + netdev->mtu); + return -EINVAL; + } + netdev->mtu = new_mtu; if (!netif_running(netdev)) @@ -1826,8 +1846,10 @@ static int nicvf_xdp_setup(struct nicvf *nic, struct bpf_prog *prog) bool bpf_attached = false; int ret = 0; - /* For now just support only the usual MTU sized frames */ - if (prog && (dev->mtu > 1500)) { + /* For now just support only the usual MTU sized frames, + * plus some headroom for VLAN, QinQ. + */ + if (prog && dev->mtu > MAX_XDP_MTU) { netdev_warn(dev, "Jumbo frames not yet supported with XDP, current MTU %d.\n", dev->mtu); return -EOPNOTSUPP; diff --git a/drivers/net/ethernet/cavium/thunder/nicvf_queues.c b/drivers/net/ethernet/cavium/thunder/nicvf_queues.c index 5b4d3badcb73..e246f9733bb8 100644 --- a/drivers/net/ethernet/cavium/thunder/nicvf_queues.c +++ b/drivers/net/ethernet/cavium/thunder/nicvf_queues.c @@ -105,20 +105,19 @@ static inline struct pgcache *nicvf_alloc_page(struct nicvf *nic, /* Check if page can be recycled */ if (page) { ref_count = page_ref_count(page); - /* Check if this page has been used once i.e 'put_page' - * called after packet transmission i.e internal ref_count - * and page's ref_count are equal i.e page can be recycled. + /* This page can be recycled if internal ref_count and page's + * ref_count are equal, indicating that the page has been used + * once for packet transmission. For non-XDP mode, internal + * ref_count is always '1'. */ - if (rbdr->is_xdp && (ref_count == pgcache->ref_count)) - pgcache->ref_count--; - else - page = NULL; - - /* In non-XDP mode, page's ref_count needs to be '1' for it - * to be recycled. - */ - if (!rbdr->is_xdp && (ref_count != 1)) + if (rbdr->is_xdp) { + if (ref_count == pgcache->ref_count) + pgcache->ref_count--; + else + page = NULL; + } else if (ref_count != 1) { page = NULL; + } } if (!page) { @@ -365,11 +364,10 @@ static void nicvf_free_rbdr(struct nicvf *nic, struct rbdr *rbdr) while (head < rbdr->pgcnt) { pgcache = &rbdr->pgcache[head]; if (pgcache->page && page_ref_count(pgcache->page) != 0) { - if (!rbdr->is_xdp) { - put_page(pgcache->page); - continue; + if (rbdr->is_xdp) { + page_ref_sub(pgcache->page, + pgcache->ref_count - 1); } - page_ref_sub(pgcache->page, pgcache->ref_count - 1); put_page(pgcache->page); } head++; diff --git a/drivers/net/ethernet/chelsio/libcxgb/libcxgb_ppm.c b/drivers/net/ethernet/chelsio/libcxgb/libcxgb_ppm.c index 74849be5f004..e2919005ead3 100644 --- a/drivers/net/ethernet/chelsio/libcxgb/libcxgb_ppm.c +++ b/drivers/net/ethernet/chelsio/libcxgb/libcxgb_ppm.c @@ -354,7 +354,10 @@ static struct cxgbi_ppm_pool *ppm_alloc_cpu_pool(unsigned int *total, ppmax = max; /* pool size must be multiple of unsigned long */ - bmap = BITS_TO_LONGS(ppmax); + bmap = ppmax / BITS_PER_TYPE(unsigned long); + if (!bmap) + return NULL; + ppmax = (bmap * sizeof(unsigned long)) << 3; alloc_sz = sizeof(*pools) + sizeof(unsigned long) * bmap; @@ -402,6 +405,10 @@ int cxgbi_ppm_init(void **ppm_pp, struct net_device *ndev, if (reserve_factor) { ppmax_pool = ppmax / reserve_factor; pool = ppm_alloc_cpu_pool(&ppmax_pool, &pool_index_max); + if (!pool) { + ppmax_pool = 0; + reserve_factor = 0; + } pr_debug("%s: ppmax %u, cpu total %u, per cpu %u.\n", ndev->name, ppmax, ppmax_pool, pool_index_max); diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c index 697c2427f2b7..a96ad20ee484 100644 --- a/drivers/net/ethernet/freescale/fec_main.c +++ b/drivers/net/ethernet/freescale/fec_main.c @@ -1840,13 +1840,9 @@ static int fec_enet_clk_enable(struct net_device *ndev, bool enable) int ret; if (enable) { - ret = clk_prepare_enable(fep->clk_ahb); - if (ret) - return ret; - ret = clk_prepare_enable(fep->clk_enet_out); if (ret) - goto failed_clk_enet_out; + return ret; if (fep->clk_ptp) { mutex_lock(&fep->ptp_clk_mutex); @@ -1866,7 +1862,6 @@ static int fec_enet_clk_enable(struct net_device *ndev, bool enable) phy_reset_after_clk_enable(ndev->phydev); } else { - clk_disable_unprepare(fep->clk_ahb); clk_disable_unprepare(fep->clk_enet_out); if (fep->clk_ptp) { mutex_lock(&fep->ptp_clk_mutex); @@ -1885,8 +1880,6 @@ failed_clk_ref: failed_clk_ptp: if (fep->clk_enet_out) clk_disable_unprepare(fep->clk_enet_out); -failed_clk_enet_out: - clk_disable_unprepare(fep->clk_ahb); return ret; } @@ -3470,6 +3463,9 @@ fec_probe(struct platform_device *pdev) ret = clk_prepare_enable(fep->clk_ipg); if (ret) goto failed_clk_ipg; + ret = clk_prepare_enable(fep->clk_ahb); + if (ret) + goto failed_clk_ahb; fep->reg_phy = devm_regulator_get_optional(&pdev->dev, "phy"); if (!IS_ERR(fep->reg_phy)) { @@ -3563,6 +3559,9 @@ failed_reset: pm_runtime_put(&pdev->dev); pm_runtime_disable(&pdev->dev); failed_regulator: + clk_disable_unprepare(fep->clk_ahb); +failed_clk_ahb: + clk_disable_unprepare(fep->clk_ipg); failed_clk_ipg: fec_enet_clk_enable(ndev, false); failed_clk: @@ -3686,6 +3685,7 @@ static int __maybe_unused fec_runtime_suspend(struct device *dev) struct net_device *ndev = dev_get_drvdata(dev); struct fec_enet_private *fep = netdev_priv(ndev); + clk_disable_unprepare(fep->clk_ahb); clk_disable_unprepare(fep->clk_ipg); return 0; @@ -3695,8 +3695,20 @@ static int __maybe_unused fec_runtime_resume(struct device *dev) { struct net_device *ndev = dev_get_drvdata(dev); struct fec_enet_private *fep = netdev_priv(ndev); + int ret; - return clk_prepare_enable(fep->clk_ipg); + ret = clk_prepare_enable(fep->clk_ahb); + if (ret) + return ret; + ret = clk_prepare_enable(fep->clk_ipg); + if (ret) + goto failed_clk_ipg; + + return 0; + +failed_clk_ipg: + clk_disable_unprepare(fep->clk_ahb); + return ret; } static const struct dev_pm_ops fec_pm_ops = { diff --git a/drivers/net/ethernet/hisilicon/hns/hnae.c b/drivers/net/ethernet/hisilicon/hns/hnae.c index 79d03f8ee7b1..c7fa97a7e1f4 100644 --- a/drivers/net/ethernet/hisilicon/hns/hnae.c +++ b/drivers/net/ethernet/hisilicon/hns/hnae.c @@ -150,7 +150,6 @@ out_buffer_fail: /* free desc along with its attached buffer */ static void hnae_free_desc(struct hnae_ring *ring) { - hnae_free_buffers(ring); dma_unmap_single(ring_to_dev(ring), ring->desc_dma_addr, ring->desc_num * sizeof(ring->desc[0]), ring_to_dma_dir(ring)); @@ -183,6 +182,9 @@ static int hnae_alloc_desc(struct hnae_ring *ring) /* fini ring, also free the buffer for the ring */ static void hnae_fini_ring(struct hnae_ring *ring) { + if (is_rx_ring(ring)) + hnae_free_buffers(ring); + hnae_free_desc(ring); kfree(ring->desc_cb); ring->desc_cb = NULL; diff --git a/drivers/net/ethernet/hisilicon/hns/hnae.h b/drivers/net/ethernet/hisilicon/hns/hnae.h index 08a750fb60c4..d6fb83437230 100644 --- a/drivers/net/ethernet/hisilicon/hns/hnae.h +++ b/drivers/net/ethernet/hisilicon/hns/hnae.h @@ -357,7 +357,7 @@ struct hnae_buf_ops { }; struct hnae_queue { - void __iomem *io_base; + u8 __iomem *io_base; phys_addr_t phy_base; struct hnae_ae_dev *dev; /* the device who use this queue */ struct hnae_ring rx_ring ____cacheline_internodealigned_in_smp; diff --git a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c index a97228c93831..6c0507921623 100644 --- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c +++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c @@ -370,7 +370,7 @@ int hns_mac_clr_multicast(struct hns_mac_cb *mac_cb, int vfn) static void hns_mac_param_get(struct mac_params *param, struct hns_mac_cb *mac_cb) { - param->vaddr = (void *)mac_cb->vaddr; + param->vaddr = mac_cb->vaddr; param->mac_mode = hns_get_enet_interface(mac_cb); ether_addr_copy(param->addr, mac_cb->addr_entry_idx[0].addr); param->mac_id = mac_cb->mac_id; diff --git a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.h b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.h index fbc75341bef7..22589799f1a5 100644 --- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.h +++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.h @@ -187,7 +187,7 @@ struct mac_statistics { /*mac para struct ,mac get param from nic or dsaf when initialize*/ struct mac_params { char addr[ETH_ALEN]; - void *vaddr; /*virtual address*/ + u8 __iomem *vaddr; /*virtual address*/ struct device *dev; u8 mac_id; /**< Ethernet operation mode (MAC-PHY interface and speed) */ @@ -402,7 +402,7 @@ struct mac_driver { enum mac_mode mac_mode; u8 mac_id; struct hns_mac_cb *mac_cb; - void __iomem *io_base; + u8 __iomem *io_base; unsigned int mac_en_flg;/*you'd better don't enable mac twice*/ unsigned int virt_dev_num; struct device *dev; diff --git a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.c b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.c index ac55db065f16..61eea6ac846f 100644 --- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.c +++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.c @@ -1602,8 +1602,6 @@ static void hns_dsaf_set_mac_key( DSAF_TBL_TCAM_KEY_VLAN_S, vlan_id); dsaf_set_field(mac_key->low.bits.port_vlan, DSAF_TBL_TCAM_KEY_PORT_M, DSAF_TBL_TCAM_KEY_PORT_S, port); - - mac_key->low.bits.port_vlan = le16_to_cpu(mac_key->low.bits.port_vlan); } /** @@ -1663,8 +1661,8 @@ int hns_dsaf_set_mac_uc_entry( /* default config dvc to 0 */ mac_data.tbl_ucast_dvc = 0; mac_data.tbl_ucast_out_port = mac_entry->port_num; - tcam_data.tbl_tcam_data_high = cpu_to_le32(mac_key.high.val); - tcam_data.tbl_tcam_data_low = cpu_to_le32(mac_key.low.val); + tcam_data.tbl_tcam_data_high = mac_key.high.val; + tcam_data.tbl_tcam_data_low = mac_key.low.val; hns_dsaf_tcam_uc_cfg(dsaf_dev, entry_index, &tcam_data, &mac_data); @@ -1786,9 +1784,6 @@ int hns_dsaf_add_mac_mc_port(struct dsaf_device *dsaf_dev, 0xff, mc_mask); - mask_key.high.val = le32_to_cpu(mask_key.high.val); - mask_key.low.val = le32_to_cpu(mask_key.low.val); - pmask_key = (struct dsaf_tbl_tcam_data *)(&mask_key); } @@ -1840,8 +1835,8 @@ int hns_dsaf_add_mac_mc_port(struct dsaf_device *dsaf_dev, dsaf_dev->ae_dev.name, mac_key.high.val, mac_key.low.val, entry_index); - tcam_data.tbl_tcam_data_high = cpu_to_le32(mac_key.high.val); - tcam_data.tbl_tcam_data_low = cpu_to_le32(mac_key.low.val); + tcam_data.tbl_tcam_data_high = mac_key.high.val; + tcam_data.tbl_tcam_data_low = mac_key.low.val; /* config mc entry with mask */ hns_dsaf_tcam_mc_cfg(dsaf_dev, entry_index, &tcam_data, @@ -1956,9 +1951,6 @@ int hns_dsaf_del_mac_mc_port(struct dsaf_device *dsaf_dev, /* config key mask */ hns_dsaf_set_mac_key(dsaf_dev, &mask_key, 0x00, 0xff, mc_mask); - mask_key.high.val = le32_to_cpu(mask_key.high.val); - mask_key.low.val = le32_to_cpu(mask_key.low.val); - pmask_key = (struct dsaf_tbl_tcam_data *)(&mask_key); } @@ -2012,8 +2004,8 @@ int hns_dsaf_del_mac_mc_port(struct dsaf_device *dsaf_dev, soft_mac_entry += entry_index; soft_mac_entry->index = DSAF_INVALID_ENTRY_IDX; } else { /* not zero, just del port, update */ - tcam_data.tbl_tcam_data_high = cpu_to_le32(mac_key.high.val); - tcam_data.tbl_tcam_data_low = cpu_to_le32(mac_key.low.val); + tcam_data.tbl_tcam_data_high = mac_key.high.val; + tcam_data.tbl_tcam_data_low = mac_key.low.val; hns_dsaf_tcam_mc_cfg(dsaf_dev, entry_index, &tcam_data, @@ -2750,6 +2742,17 @@ int hns_dsaf_get_regs_count(void) return DSAF_DUMP_REGS_NUM; } +static int hns_dsaf_get_port_id(u8 port) +{ + if (port < DSAF_SERVICE_NW_NUM) + return port; + + if (port >= DSAF_BASE_INNER_PORT_NUM) + return port - DSAF_BASE_INNER_PORT_NUM + DSAF_SERVICE_NW_NUM; + + return -EINVAL; +} + static void set_promisc_tcam_enable(struct dsaf_device *dsaf_dev, u32 port) { struct dsaf_tbl_tcam_ucast_cfg tbl_tcam_ucast = {0, 1, 0, 0, 0x80}; @@ -2815,23 +2818,33 @@ static void set_promisc_tcam_enable(struct dsaf_device *dsaf_dev, u32 port) memset(&temp_key, 0x0, sizeof(temp_key)); mask_entry.addr[0] = 0x01; hns_dsaf_set_mac_key(dsaf_dev, &mask_key, mask_entry.in_vlan_id, - port, mask_entry.addr); + 0xf, mask_entry.addr); tbl_tcam_mcast.tbl_mcast_item_vld = 1; tbl_tcam_mcast.tbl_mcast_old_en = 0; - if (port < DSAF_SERVICE_NW_NUM) { - mskid = port; - } else if (port >= DSAF_BASE_INNER_PORT_NUM) { - mskid = port - DSAF_BASE_INNER_PORT_NUM + DSAF_SERVICE_NW_NUM; - } else { + /* set MAC port to handle multicast */ + mskid = hns_dsaf_get_port_id(port); + if (mskid == -EINVAL) { dev_err(dsaf_dev->dev, "%s,pnum(%d)error,key(%#x:%#x)\n", dsaf_dev->ae_dev.name, port, mask_key.high.val, mask_key.low.val); return; } + dsaf_set_bit(tbl_tcam_mcast.tbl_mcast_port_msk[mskid / 32], + mskid % 32, 1); + /* set pool bit map to handle multicast */ + mskid = hns_dsaf_get_port_id(port_num); + if (mskid == -EINVAL) { + dev_err(dsaf_dev->dev, + "%s, pool bit map pnum(%d)error,key(%#x:%#x)\n", + dsaf_dev->ae_dev.name, port_num, + mask_key.high.val, mask_key.low.val); + return; + } dsaf_set_bit(tbl_tcam_mcast.tbl_mcast_port_msk[mskid / 32], mskid % 32, 1); + memcpy(&temp_key, &mask_key, sizeof(mask_key)); hns_dsaf_tcam_mc_cfg_vague(dsaf_dev, entry_index, &tbl_tcam_data_mc, (struct dsaf_tbl_tcam_data *)(&mask_key), diff --git a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.h b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.h index 0e1cd99831a6..76cc8887e1a8 100644 --- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.h +++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.h @@ -467,4 +467,6 @@ int hns_dsaf_clr_mac_mc_port(struct dsaf_device *dsaf_dev, u8 mac_id, u8 port_num); int hns_dsaf_wait_pkt_clean(struct dsaf_device *dsaf_dev, int port); +int hns_dsaf_roce_reset(struct fwnode_handle *dsaf_fwnode, bool dereset); + #endif /* __HNS_DSAF_MAIN_H__ */ diff --git a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_misc.c b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_misc.c index 16294cd3c954..19b94879691f 100644 --- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_misc.c +++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_misc.c @@ -670,7 +670,7 @@ static int hns_mac_config_sds_loopback(struct hns_mac_cb *mac_cb, bool en) dsaf_set_field(origin, 1ull << 10, 10, en); dsaf_write_syscon(mac_cb->serdes_ctrl, reg_offset, origin); } else { - u8 *base_addr = (u8 *)mac_cb->serdes_vaddr + + u8 __iomem *base_addr = mac_cb->serdes_vaddr + (mac_cb->mac_id <= 3 ? 0x00280000 : 0x00200000); dsaf_set_reg_field(base_addr, reg_offset, 1ull << 10, 10, en); } diff --git a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_ppe.c b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_ppe.c index 3d07c8a7639d..17c019106e6e 100644 --- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_ppe.c +++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_ppe.c @@ -61,7 +61,7 @@ void hns_ppe_set_indir_table(struct hns_ppe_cb *ppe_cb, } } -static void __iomem * +static u8 __iomem * hns_ppe_common_get_ioaddr(struct ppe_common_cb *ppe_common) { return ppe_common->dsaf_dev->ppe_base + PPE_COMMON_REG_OFFSET; @@ -111,8 +111,8 @@ hns_ppe_common_free_cfg(struct dsaf_device *dsaf_dev, u32 comm_index) dsaf_dev->ppe_common[comm_index] = NULL; } -static void __iomem *hns_ppe_get_iobase(struct ppe_common_cb *ppe_common, - int ppe_idx) +static u8 __iomem *hns_ppe_get_iobase(struct ppe_common_cb *ppe_common, + int ppe_idx) { return ppe_common->dsaf_dev->ppe_base + ppe_idx * PPE_REG_OFFSET; } diff --git a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_ppe.h b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_ppe.h index f670e63a5a01..110c6e8222c7 100644 --- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_ppe.h +++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_ppe.h @@ -80,7 +80,7 @@ struct hns_ppe_cb { struct hns_ppe_hw_stats hw_stats; u8 index; /* index in a ppe common device */ - void __iomem *io_base; + u8 __iomem *io_base; int virq; u32 rss_indir_table[HNS_PPEV2_RSS_IND_TBL_SIZE]; /*shadow indir tab */ u32 rss_key[HNS_PPEV2_RSS_KEY_NUM]; /* rss hash key */ @@ -89,7 +89,7 @@ struct hns_ppe_cb { struct ppe_common_cb { struct device *dev; struct dsaf_device *dsaf_dev; - void __iomem *io_base; + u8 __iomem *io_base; enum ppe_common_mode ppe_mode; diff --git a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_rcb.c b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_rcb.c index 6bf346c11b25..ac3518ca4d7b 100644 --- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_rcb.c +++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_rcb.c @@ -458,7 +458,7 @@ static void hns_rcb_ring_get_cfg(struct hnae_queue *q, int ring_type) mdnum_ppkt = HNS_RCB_RING_MAX_BD_PER_PKT; } else { ring = &q->tx_ring; - ring->io_base = (u8 __iomem *)ring_pair_cb->q.io_base + + ring->io_base = ring_pair_cb->q.io_base + HNS_RCB_TX_REG_OFFSET; irq_idx = HNS_RCB_IRQ_IDX_TX; mdnum_ppkt = is_ver1 ? HNS_RCB_RING_MAX_TXBD_PER_PKT : @@ -764,7 +764,7 @@ static int hns_rcb_get_ring_num(struct dsaf_device *dsaf_dev) } } -static void __iomem *hns_rcb_common_get_vaddr(struct rcb_common_cb *rcb_common) +static u8 __iomem *hns_rcb_common_get_vaddr(struct rcb_common_cb *rcb_common) { struct dsaf_device *dsaf_dev = rcb_common->dsaf_dev; diff --git a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_reg.h b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_reg.h index b9733b0b8482..b9e7f11f0896 100644 --- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_reg.h +++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_reg.h @@ -1018,7 +1018,7 @@ #define XGMAC_PAUSE_CTL_RSP_MODE_B 2 #define XGMAC_PAUSE_CTL_TX_XOFF_B 3 -static inline void dsaf_write_reg(void __iomem *base, u32 reg, u32 value) +static inline void dsaf_write_reg(u8 __iomem *base, u32 reg, u32 value) { writel(value, base + reg); } @@ -1053,7 +1053,7 @@ static inline int dsaf_read_syscon(struct regmap *base, u32 reg, u32 *val) #define dsaf_set_bit(origin, shift, val) \ dsaf_set_field((origin), (1ull << (shift)), (shift), (val)) -static inline void dsaf_set_reg_field(void __iomem *base, u32 reg, u32 mask, +static inline void dsaf_set_reg_field(u8 __iomem *base, u32 reg, u32 mask, u32 shift, u32 val) { u32 origin = dsaf_read_reg(base, reg); @@ -1073,7 +1073,7 @@ static inline void dsaf_set_reg_field(void __iomem *base, u32 reg, u32 mask, #define dsaf_get_bit(origin, shift) \ dsaf_get_field((origin), (1ull << (shift)), (shift)) -static inline u32 dsaf_get_reg_field(void __iomem *base, u32 reg, u32 mask, +static inline u32 dsaf_get_reg_field(u8 __iomem *base, u32 reg, u32 mask, u32 shift) { u32 origin; @@ -1089,11 +1089,11 @@ static inline u32 dsaf_get_reg_field(void __iomem *base, u32 reg, u32 mask, dsaf_get_reg_field((dev)->io_base, (reg), (1ull << (bit)), (bit)) #define dsaf_write_b(addr, data)\ - writeb((data), (__iomem unsigned char *)(addr)) + writeb((data), (__iomem u8 *)(addr)) #define dsaf_read_b(addr)\ - readb((__iomem unsigned char *)(addr)) + readb((__iomem u8 *)(addr)) #define hns_mac_reg_read64(drv, offset) \ - readq((__iomem void *)(((u8 *)(drv)->io_base + 0xc00 + (offset)))) + readq((__iomem void *)(((drv)->io_base + 0xc00 + (offset)))) #endif /* _DSAF_REG_H */ diff --git a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_xgmac.c b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_xgmac.c index ba4316910dea..a60f207768fc 100644 --- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_xgmac.c +++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_xgmac.c @@ -129,7 +129,7 @@ static void hns_xgmac_lf_rf_control_init(struct mac_driver *mac_drv) dsaf_set_bit(val, XGMAC_UNIDIR_EN_B, 0); dsaf_set_bit(val, XGMAC_RF_TX_EN_B, 1); dsaf_set_field(val, XGMAC_LF_RF_INSERT_M, XGMAC_LF_RF_INSERT_S, 0); - dsaf_write_reg(mac_drv, XGMAC_MAC_TX_LF_RF_CONTROL_REG, val); + dsaf_write_dev(mac_drv, XGMAC_MAC_TX_LF_RF_CONTROL_REG, val); } /** diff --git a/drivers/net/ethernet/hisilicon/hns/hns_enet.c b/drivers/net/ethernet/hisilicon/hns/hns_enet.c index 60e7d7ae3787..4cd86ba1f050 100644 --- a/drivers/net/ethernet/hisilicon/hns/hns_enet.c +++ b/drivers/net/ethernet/hisilicon/hns/hns_enet.c @@ -29,9 +29,6 @@ #define SERVICE_TIMER_HZ (1 * HZ) -#define NIC_TX_CLEAN_MAX_NUM 256 -#define NIC_RX_CLEAN_MAX_NUM 64 - #define RCB_IRQ_NOT_INITED 0 #define RCB_IRQ_INITED 1 #define HNS_BUFFER_SIZE_2048 2048 @@ -376,8 +373,6 @@ netdev_tx_t hns_nic_net_xmit_hw(struct net_device *ndev, wmb(); /* commit all data before submit */ assert(skb->queue_mapping < priv->ae_handle->q_num); hnae_queue_xmit(priv->ae_handle->qs[skb->queue_mapping], buf_num); - ring->stats.tx_pkts++; - ring->stats.tx_bytes += skb->len; return NETDEV_TX_OK; @@ -999,6 +994,9 @@ static int hns_nic_tx_poll_one(struct hns_nic_ring_data *ring_data, /* issue prefetch for next Tx descriptor */ prefetch(&ring->desc_cb[ring->next_to_clean]); } + /* update tx ring statistics. */ + ring->stats.tx_pkts += pkts; + ring->stats.tx_bytes += bytes; NETIF_TX_UNLOCK(ring); @@ -2152,7 +2150,7 @@ static int hns_nic_init_ring_data(struct hns_nic_priv *priv) hns_nic_tx_fini_pro_v2; netif_napi_add(priv->netdev, &rd->napi, - hns_nic_common_poll, NIC_TX_CLEAN_MAX_NUM); + hns_nic_common_poll, NAPI_POLL_WEIGHT); rd->ring->irq_init_flag = RCB_IRQ_NOT_INITED; } for (i = h->q_num; i < h->q_num * 2; i++) { @@ -2165,7 +2163,7 @@ static int hns_nic_init_ring_data(struct hns_nic_priv *priv) hns_nic_rx_fini_pro_v2; netif_napi_add(priv->netdev, &rd->napi, - hns_nic_common_poll, NIC_RX_CLEAN_MAX_NUM); + hns_nic_common_poll, NAPI_POLL_WEIGHT); rd->ring->irq_init_flag = RCB_IRQ_NOT_INITED; } diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/Makefile b/drivers/net/ethernet/hisilicon/hns3/hns3pf/Makefile index fffe8c1c45d3..0fb61d440d3b 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/Makefile +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/Makefile @@ -3,7 +3,7 @@ # Makefile for the HISILICON network device drivers. # -ccflags-y := -Idrivers/net/ethernet/hisilicon/hns3 +ccflags-y := -I $(srctree)/drivers/net/ethernet/hisilicon/hns3 obj-$(CONFIG_HNS3_HCLGE) += hclge.o hclge-objs = hclge_main.o hclge_cmd.o hclge_mdio.o hclge_tm.o hclge_mbx.o hclge_err.o hclge_debugfs.o diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3vf/Makefile b/drivers/net/ethernet/hisilicon/hns3/hns3vf/Makefile index fb93bbd35845..6193f8fa7cf3 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3vf/Makefile +++ b/drivers/net/ethernet/hisilicon/hns3/hns3vf/Makefile @@ -3,7 +3,7 @@ # Makefile for the HISILICON network device drivers. # -ccflags-y := -Idrivers/net/ethernet/hisilicon/hns3 +ccflags-y := -I $(srctree)/drivers/net/ethernet/hisilicon/hns3 obj-$(CONFIG_HNS3_HCLGEVF) += hclgevf.o hclgevf-objs = hclgevf_main.o hclgevf_cmd.o hclgevf_mbx.o
\ No newline at end of file diff --git a/drivers/net/ethernet/hisilicon/hns_mdio.c b/drivers/net/ethernet/hisilicon/hns_mdio.c index baf5cc251f32..8b8a7d00e8e0 100644 --- a/drivers/net/ethernet/hisilicon/hns_mdio.c +++ b/drivers/net/ethernet/hisilicon/hns_mdio.c @@ -39,7 +39,7 @@ struct hns_mdio_sc_reg { }; struct hns_mdio_device { - void *vbase; /* mdio reg base address */ + u8 __iomem *vbase; /* mdio reg base address */ struct regmap *subctrl_vbase; struct hns_mdio_sc_reg sc_reg; }; @@ -96,21 +96,17 @@ enum mdio_c45_op_seq { #define MDIO_SC_CLK_ST 0x531C #define MDIO_SC_RESET_ST 0x5A1C -static void mdio_write_reg(void *base, u32 reg, u32 value) +static void mdio_write_reg(u8 __iomem *base, u32 reg, u32 value) { - u8 __iomem *reg_addr = (u8 __iomem *)base; - - writel_relaxed(value, reg_addr + reg); + writel_relaxed(value, base + reg); } #define MDIO_WRITE_REG(a, reg, value) \ mdio_write_reg((a)->vbase, (reg), (value)) -static u32 mdio_read_reg(void *base, u32 reg) +static u32 mdio_read_reg(u8 __iomem *base, u32 reg) { - u8 __iomem *reg_addr = (u8 __iomem *)base; - - return readl_relaxed(reg_addr + reg); + return readl_relaxed(base + reg); } #define mdio_set_field(origin, mask, shift, val) \ @@ -121,7 +117,7 @@ static u32 mdio_read_reg(void *base, u32 reg) #define mdio_get_field(origin, mask, shift) (((origin) >> (shift)) & (mask)) -static void mdio_set_reg_field(void *base, u32 reg, u32 mask, u32 shift, +static void mdio_set_reg_field(u8 __iomem *base, u32 reg, u32 mask, u32 shift, u32 val) { u32 origin = mdio_read_reg(base, reg); @@ -133,7 +129,7 @@ static void mdio_set_reg_field(void *base, u32 reg, u32 mask, u32 shift, #define MDIO_SET_REG_FIELD(dev, reg, mask, shift, val) \ mdio_set_reg_field((dev)->vbase, (reg), (mask), (shift), (val)) -static u32 mdio_get_reg_field(void *base, u32 reg, u32 mask, u32 shift) +static u32 mdio_get_reg_field(u8 __iomem *base, u32 reg, u32 mask, u32 shift) { u32 origin; diff --git a/drivers/net/ethernet/ibm/ibmvnic.c b/drivers/net/ethernet/ibm/ibmvnic.c index 5ecbb1adcf3b..3dfb2d131eb7 100644 --- a/drivers/net/ethernet/ibm/ibmvnic.c +++ b/drivers/net/ethernet/ibm/ibmvnic.c @@ -1885,6 +1885,7 @@ static int do_hard_reset(struct ibmvnic_adapter *adapter, */ adapter->state = VNIC_PROBED; + reinit_completion(&adapter->init_done); rc = init_crq_queue(adapter); if (rc) { netdev_err(adapter->netdev, @@ -3761,6 +3762,7 @@ static void handle_query_ip_offload_rsp(struct ibmvnic_adapter *adapter) { struct device *dev = &adapter->vdev->dev; struct ibmvnic_query_ip_offload_buffer *buf = &adapter->ip_offload_buf; + netdev_features_t old_hw_features = 0; union ibmvnic_crq crq; int i; @@ -3836,24 +3838,41 @@ static void handle_query_ip_offload_rsp(struct ibmvnic_adapter *adapter) adapter->ip_offload_ctrl.large_rx_ipv4 = 0; adapter->ip_offload_ctrl.large_rx_ipv6 = 0; - adapter->netdev->features = NETIF_F_SG | NETIF_F_GSO; + if (adapter->state != VNIC_PROBING) { + old_hw_features = adapter->netdev->hw_features; + adapter->netdev->hw_features = 0; + } + + adapter->netdev->hw_features = NETIF_F_SG | NETIF_F_GSO | NETIF_F_GRO; if (buf->tcp_ipv4_chksum || buf->udp_ipv4_chksum) - adapter->netdev->features |= NETIF_F_IP_CSUM; + adapter->netdev->hw_features |= NETIF_F_IP_CSUM; if (buf->tcp_ipv6_chksum || buf->udp_ipv6_chksum) - adapter->netdev->features |= NETIF_F_IPV6_CSUM; + adapter->netdev->hw_features |= NETIF_F_IPV6_CSUM; if ((adapter->netdev->features & (NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM))) - adapter->netdev->features |= NETIF_F_RXCSUM; + adapter->netdev->hw_features |= NETIF_F_RXCSUM; if (buf->large_tx_ipv4) - adapter->netdev->features |= NETIF_F_TSO; + adapter->netdev->hw_features |= NETIF_F_TSO; if (buf->large_tx_ipv6) - adapter->netdev->features |= NETIF_F_TSO6; + adapter->netdev->hw_features |= NETIF_F_TSO6; + + if (adapter->state == VNIC_PROBING) { + adapter->netdev->features |= adapter->netdev->hw_features; + } else if (old_hw_features != adapter->netdev->hw_features) { + netdev_features_t tmp = 0; - adapter->netdev->hw_features |= adapter->netdev->features; + /* disable features no longer supported */ + adapter->netdev->features &= adapter->netdev->hw_features; + /* turn on features now supported if previously enabled */ + tmp = (old_hw_features ^ adapter->netdev->hw_features) & + adapter->netdev->hw_features; + adapter->netdev->features |= + tmp & adapter->netdev->wanted_features; + } memset(&crq, 0, sizeof(crq)); crq.control_ip_offload.first = IBMVNIC_CRQ_CMD; @@ -4625,7 +4644,7 @@ static int ibmvnic_reset_init(struct ibmvnic_adapter *adapter) old_num_rx_queues = adapter->req_rx_queues; old_num_tx_queues = adapter->req_tx_queues; - init_completion(&adapter->init_done); + reinit_completion(&adapter->init_done); adapter->init_done_rc = 0; ibmvnic_send_crq_init(adapter); if (!wait_for_completion_timeout(&adapter->init_done, timeout)) { @@ -4680,7 +4699,6 @@ static int ibmvnic_init(struct ibmvnic_adapter *adapter) adapter->from_passive_init = false; - init_completion(&adapter->init_done); adapter->init_done_rc = 0; ibmvnic_send_crq_init(adapter); if (!wait_for_completion_timeout(&adapter->init_done, timeout)) { @@ -4759,6 +4777,7 @@ static int ibmvnic_probe(struct vio_dev *dev, const struct vio_device_id *id) INIT_WORK(&adapter->ibmvnic_reset, __ibmvnic_reset); INIT_LIST_HEAD(&adapter->rwi_list); spin_lock_init(&adapter->rwi_lock); + init_completion(&adapter->init_done); adapter->resetting = false; adapter->mac_change_pending = false; diff --git a/drivers/net/ethernet/intel/e1000/e1000_main.c b/drivers/net/ethernet/intel/e1000/e1000_main.c index 8fe9af0e2ab7..466bf1ea186d 100644 --- a/drivers/net/ethernet/intel/e1000/e1000_main.c +++ b/drivers/net/ethernet/intel/e1000/e1000_main.c @@ -3270,11 +3270,6 @@ static netdev_tx_t e1000_xmit_frame(struct sk_buff *skb, if (!skb->xmit_more || netif_xmit_stopped(netdev_get_tx_queue(netdev, 0))) { writel(tx_ring->next_to_use, hw->hw_addr + tx_ring->tdt); - /* we need this if more than one processor can write to - * our tail at a time, it synchronizes IO on IA64/Altix - * systems - */ - mmiowb(); } } else { dev_kfree_skb_any(skb); diff --git a/drivers/net/ethernet/intel/e1000e/netdev.c b/drivers/net/ethernet/intel/e1000e/netdev.c index 7acc61e4f645..022c3ac0e40f 100644 --- a/drivers/net/ethernet/intel/e1000e/netdev.c +++ b/drivers/net/ethernet/intel/e1000e/netdev.c @@ -3816,7 +3816,6 @@ static void e1000_flush_tx_ring(struct e1000_adapter *adapter) if (tx_ring->next_to_use == tx_ring->count) tx_ring->next_to_use = 0; ew32(TDT(0), tx_ring->next_to_use); - mmiowb(); usleep_range(200, 250); } @@ -5904,12 +5903,6 @@ static netdev_tx_t e1000_xmit_frame(struct sk_buff *skb, tx_ring->next_to_use); else writel(tx_ring->next_to_use, tx_ring->tail); - - /* we need this if more than one processor can write - * to our tail at a time, it synchronizes IO on - *IA64/Altix systems - */ - mmiowb(); } } else { dev_kfree_skb_any(skb); diff --git a/drivers/net/ethernet/intel/fm10k/fm10k_iov.c b/drivers/net/ethernet/intel/fm10k/fm10k_iov.c index 5d4f1761dc0c..8de77155f2e7 100644 --- a/drivers/net/ethernet/intel/fm10k/fm10k_iov.c +++ b/drivers/net/ethernet/intel/fm10k/fm10k_iov.c @@ -321,8 +321,6 @@ static void fm10k_mask_aer_comp_abort(struct pci_dev *pdev) pci_read_config_dword(pdev, pos + PCI_ERR_UNCOR_MASK, &err_mask); err_mask |= PCI_ERR_UNC_COMP_ABORT; pci_write_config_dword(pdev, pos + PCI_ERR_UNCOR_MASK, err_mask); - - mmiowb(); } int fm10k_iov_resume(struct pci_dev *pdev) diff --git a/drivers/net/ethernet/intel/fm10k/fm10k_main.c b/drivers/net/ethernet/intel/fm10k/fm10k_main.c index 5a0419421511..cbf76a96e94e 100644 --- a/drivers/net/ethernet/intel/fm10k/fm10k_main.c +++ b/drivers/net/ethernet/intel/fm10k/fm10k_main.c @@ -41,6 +41,8 @@ static int __init fm10k_init_module(void) /* create driver workqueue */ fm10k_workqueue = alloc_workqueue("%s", WQ_MEM_RECLAIM, 0, fm10k_driver_name); + if (!fm10k_workqueue) + return -ENOMEM; fm10k_dbg_init(); @@ -1037,11 +1039,6 @@ static void fm10k_tx_map(struct fm10k_ring *tx_ring, /* notify HW of packet */ if (netif_xmit_stopped(txring_txq(tx_ring)) || !skb->xmit_more) { writel(i, tx_ring->tail); - - /* we need this if more than one processor can write to our tail - * at a time, it synchronizes IO on IA64/Altix systems - */ - mmiowb(); } return; diff --git a/drivers/net/ethernet/intel/i40e/i40e.h b/drivers/net/ethernet/intel/i40e/i40e.h index d684998ba2b0..d3cc3427caad 100644 --- a/drivers/net/ethernet/intel/i40e/i40e.h +++ b/drivers/net/ethernet/intel/i40e/i40e.h @@ -790,6 +790,8 @@ struct i40e_vsi { /* VSI specific handlers */ irqreturn_t (*irq_handler)(int irq, void *data); + + unsigned long *af_xdp_zc_qps; /* tracks AF_XDP ZC enabled qps */ } ____cacheline_internodealigned_in_smp; struct i40e_netdev_priv { @@ -1096,20 +1098,6 @@ static inline bool i40e_enabled_xdp_vsi(struct i40e_vsi *vsi) return !!vsi->xdp_prog; } -static inline struct xdp_umem *i40e_xsk_umem(struct i40e_ring *ring) -{ - bool xdp_on = i40e_enabled_xdp_vsi(ring->vsi); - int qid = ring->queue_index; - - if (ring_is_xdp(ring)) - qid -= ring->vsi->alloc_queue_pairs; - - if (!xdp_on) - return NULL; - - return xdp_get_umem_from_qid(ring->vsi->netdev, qid); -} - int i40e_create_queue_channel(struct i40e_vsi *vsi, struct i40e_channel *ch); int i40e_set_bw_limit(struct i40e_vsi *vsi, u16 seid, u64 max_tx_rate); int i40e_add_del_cloud_filter(struct i40e_vsi *vsi, diff --git a/drivers/net/ethernet/intel/i40e/i40e_ethtool.c b/drivers/net/ethernet/intel/i40e/i40e_ethtool.c index 4c885801fa26..7874d0ec7fb0 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_ethtool.c +++ b/drivers/net/ethernet/intel/i40e/i40e_ethtool.c @@ -2573,8 +2573,7 @@ static int i40e_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) return -EOPNOTSUPP; /* only magic packet is supported */ - if (wol->wolopts && (wol->wolopts != WAKE_MAGIC) - | (wol->wolopts != WAKE_FILTER)) + if (wol->wolopts & ~WAKE_MAGIC) return -EOPNOTSUPP; /* is this a new value? */ diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c index da62218eb70a..b1c265012c8a 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_main.c +++ b/drivers/net/ethernet/intel/i40e/i40e_main.c @@ -3064,6 +3064,26 @@ static void i40e_config_xps_tx_ring(struct i40e_ring *ring) } /** + * i40e_xsk_umem - Retrieve the AF_XDP ZC if XDP and ZC is enabled + * @ring: The Tx or Rx ring + * + * Returns the UMEM or NULL. + **/ +static struct xdp_umem *i40e_xsk_umem(struct i40e_ring *ring) +{ + bool xdp_on = i40e_enabled_xdp_vsi(ring->vsi); + int qid = ring->queue_index; + + if (ring_is_xdp(ring)) + qid -= ring->vsi->alloc_queue_pairs; + + if (!xdp_on || !test_bit(qid, ring->vsi->af_xdp_zc_qps)) + return NULL; + + return xdp_get_umem_from_qid(ring->vsi->netdev, qid); +} + +/** * i40e_configure_tx_ring - Configure a transmit ring context and rest * @ring: The Tx ring to configure * @@ -10064,6 +10084,12 @@ static int i40e_vsi_mem_alloc(struct i40e_pf *pf, enum i40e_vsi_type type) hash_init(vsi->mac_filter_hash); vsi->irqs_ready = false; + if (type == I40E_VSI_MAIN) { + vsi->af_xdp_zc_qps = bitmap_zalloc(pf->num_lan_qps, GFP_KERNEL); + if (!vsi->af_xdp_zc_qps) + goto err_rings; + } + ret = i40e_set_num_rings_in_vsi(vsi); if (ret) goto err_rings; @@ -10082,6 +10108,7 @@ static int i40e_vsi_mem_alloc(struct i40e_pf *pf, enum i40e_vsi_type type) goto unlock_pf; err_rings: + bitmap_free(vsi->af_xdp_zc_qps); pf->next_vsi = i - 1; kfree(vsi); unlock_pf: @@ -10162,6 +10189,7 @@ static int i40e_vsi_clear(struct i40e_vsi *vsi) i40e_put_lump(pf->qp_pile, vsi->base_queue, vsi->idx); i40e_put_lump(pf->irq_pile, vsi->base_vector, vsi->idx); + bitmap_free(vsi->af_xdp_zc_qps); i40e_vsi_free_arrays(vsi, true); i40e_clear_rss_config_user(vsi); diff --git a/drivers/net/ethernet/intel/i40e/i40e_ptp.c b/drivers/net/ethernet/intel/i40e/i40e_ptp.c index 5fb4353c742b..31575c0bb884 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_ptp.c +++ b/drivers/net/ethernet/intel/i40e/i40e_ptp.c @@ -146,12 +146,13 @@ static int i40e_ptp_adjfreq(struct ptp_clock_info *ptp, s32 ppb) static int i40e_ptp_adjtime(struct ptp_clock_info *ptp, s64 delta) { struct i40e_pf *pf = container_of(ptp, struct i40e_pf, ptp_caps); - struct timespec64 now; + struct timespec64 now, then; + then = ns_to_timespec64(delta); mutex_lock(&pf->tmreg_lock); i40e_ptp_read(pf, &now, NULL); - timespec64_add_ns(&now, delta); + now = timespec64_add(now, then); i40e_ptp_write(pf, (const struct timespec64 *)&now); mutex_unlock(&pf->tmreg_lock); diff --git a/drivers/net/ethernet/intel/i40e/i40e_txrx.c b/drivers/net/ethernet/intel/i40e/i40e_txrx.c index 6c97667d20ef..ffb611bbedfa 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_txrx.c +++ b/drivers/net/ethernet/intel/i40e/i40e_txrx.c @@ -3471,11 +3471,6 @@ static inline int i40e_tx_map(struct i40e_ring *tx_ring, struct sk_buff *skb, /* notify HW of packet */ if (netif_xmit_stopped(txring_txq(tx_ring)) || !skb->xmit_more) { writel(i, tx_ring->tail); - - /* we need this if more than one processor can write to our tail - * at a time, it synchronizes IO on IA64/Altix systems - */ - mmiowb(); } return 0; diff --git a/drivers/net/ethernet/intel/i40e/i40e_xsk.c b/drivers/net/ethernet/intel/i40e/i40e_xsk.c index b5c182e688e3..1b17486543ac 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_xsk.c +++ b/drivers/net/ethernet/intel/i40e/i40e_xsk.c @@ -102,6 +102,8 @@ static int i40e_xsk_umem_enable(struct i40e_vsi *vsi, struct xdp_umem *umem, if (err) return err; + set_bit(qid, vsi->af_xdp_zc_qps); + if_running = netif_running(vsi->netdev) && i40e_enabled_xdp_vsi(vsi); if (if_running) { @@ -148,6 +150,7 @@ static int i40e_xsk_umem_disable(struct i40e_vsi *vsi, u16 qid) return err; } + clear_bit(qid, vsi->af_xdp_zc_qps); i40e_xsk_umem_dma_unmap(vsi, umem); if (if_running) { diff --git a/drivers/net/ethernet/intel/iavf/iavf_txrx.c b/drivers/net/ethernet/intel/iavf/iavf_txrx.c index 9b4d7cec2e18..6bfef82e7607 100644 --- a/drivers/net/ethernet/intel/iavf/iavf_txrx.c +++ b/drivers/net/ethernet/intel/iavf/iavf_txrx.c @@ -2360,11 +2360,6 @@ static inline void iavf_tx_map(struct iavf_ring *tx_ring, struct sk_buff *skb, /* notify HW of packet */ if (netif_xmit_stopped(txring_txq(tx_ring)) || !skb->xmit_more) { writel(i, tx_ring->tail); - - /* we need this if more than one processor can write to our tail - * at a time, it synchronizes IO on IA64/Altix systems - */ - mmiowb(); } return; diff --git a/drivers/net/ethernet/intel/ice/ice_txrx.c b/drivers/net/ethernet/intel/ice/ice_txrx.c index c289d97f477d..1af21bbe180e 100644 --- a/drivers/net/ethernet/intel/ice/ice_txrx.c +++ b/drivers/net/ethernet/intel/ice/ice_txrx.c @@ -1356,11 +1356,6 @@ ice_tx_map(struct ice_ring *tx_ring, struct ice_tx_buf *first, /* notify HW of packet */ if (netif_xmit_stopped(txring_txq(tx_ring)) || !skb->xmit_more) { writel(i, tx_ring->tail); - - /* we need this if more than one processor can write to our tail - * at a time, it synchronizes IO on IA64/Altix systems - */ - mmiowb(); } return; diff --git a/drivers/net/ethernet/intel/igb/e1000_defines.h b/drivers/net/ethernet/intel/igb/e1000_defines.h index 01fcfc6f3415..d2e2c50ce257 100644 --- a/drivers/net/ethernet/intel/igb/e1000_defines.h +++ b/drivers/net/ethernet/intel/igb/e1000_defines.h @@ -194,6 +194,8 @@ /* enable link status from external LINK_0 and LINK_1 pins */ #define E1000_CTRL_SWDPIN0 0x00040000 /* SWDPIN 0 value */ #define E1000_CTRL_SWDPIN1 0x00080000 /* SWDPIN 1 value */ +#define E1000_CTRL_ADVD3WUC 0x00100000 /* D3 WUC */ +#define E1000_CTRL_EN_PHY_PWR_MGMT 0x00200000 /* PHY PM enable */ #define E1000_CTRL_SDP0_DIR 0x00400000 /* SDP0 Data direction */ #define E1000_CTRL_SDP1_DIR 0x00800000 /* SDP1 Data direction */ #define E1000_CTRL_RST 0x04000000 /* Global reset */ diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c index 69b230c53fed..1d71ec360b1c 100644 --- a/drivers/net/ethernet/intel/igb/igb_main.c +++ b/drivers/net/ethernet/intel/igb/igb_main.c @@ -6028,11 +6028,6 @@ static int igb_tx_map(struct igb_ring *tx_ring, if (netif_xmit_stopped(txring_txq(tx_ring)) || !skb->xmit_more) { writel(i, tx_ring->tail); - - /* we need this if more than one processor can write to our tail - * at a time, it synchronizes IO on IA64/Altix systems - */ - mmiowb(); } return 0; @@ -8740,9 +8735,7 @@ static int __igb_shutdown(struct pci_dev *pdev, bool *enable_wake, struct e1000_hw *hw = &adapter->hw; u32 ctrl, rctl, status; u32 wufc = runtime ? E1000_WUFC_LNKC : adapter->wol; -#ifdef CONFIG_PM - int retval = 0; -#endif + bool wake; rtnl_lock(); netif_device_detach(netdev); @@ -8755,14 +8748,6 @@ static int __igb_shutdown(struct pci_dev *pdev, bool *enable_wake, igb_clear_interrupt_scheme(adapter); rtnl_unlock(); -#ifdef CONFIG_PM - if (!runtime) { - retval = pci_save_state(pdev); - if (retval) - return retval; - } -#endif - status = rd32(E1000_STATUS); if (status & E1000_STATUS_LU) wufc &= ~E1000_WUFC_LNKC; @@ -8779,10 +8764,6 @@ static int __igb_shutdown(struct pci_dev *pdev, bool *enable_wake, } ctrl = rd32(E1000_CTRL); - /* advertise wake from D3Cold */ - #define E1000_CTRL_ADVD3WUC 0x00100000 - /* phy power management enable */ - #define E1000_CTRL_EN_PHY_PWR_MGMT 0x00200000 ctrl |= E1000_CTRL_ADVD3WUC; wr32(E1000_CTRL, ctrl); @@ -8796,12 +8777,15 @@ static int __igb_shutdown(struct pci_dev *pdev, bool *enable_wake, wr32(E1000_WUFC, 0); } - *enable_wake = wufc || adapter->en_mng_pt; - if (!*enable_wake) + wake = wufc || adapter->en_mng_pt; + if (!wake) igb_power_down_link(adapter); else igb_power_up_link(adapter); + if (enable_wake) + *enable_wake = wake; + /* Release control of h/w to f/w. If f/w is AMT enabled, this * would have already happened in close and is redundant. */ @@ -8844,22 +8828,7 @@ static void igb_deliver_wake_packet(struct net_device *netdev) static int __maybe_unused igb_suspend(struct device *dev) { - int retval; - bool wake; - struct pci_dev *pdev = to_pci_dev(dev); - - retval = __igb_shutdown(pdev, &wake, 0); - if (retval) - return retval; - - if (wake) { - pci_prepare_to_sleep(pdev); - } else { - pci_wake_from_d3(pdev, false); - pci_set_power_state(pdev, PCI_D3hot); - } - - return 0; + return __igb_shutdown(to_pci_dev(dev), NULL, 0); } static int __maybe_unused igb_resume(struct device *dev) @@ -8930,22 +8899,7 @@ static int __maybe_unused igb_runtime_idle(struct device *dev) static int __maybe_unused igb_runtime_suspend(struct device *dev) { - struct pci_dev *pdev = to_pci_dev(dev); - int retval; - bool wake; - - retval = __igb_shutdown(pdev, &wake, 1); - if (retval) - return retval; - - if (wake) { - pci_prepare_to_sleep(pdev); - } else { - pci_wake_from_d3(pdev, false); - pci_set_power_state(pdev, PCI_D3hot); - } - - return 0; + return __igb_shutdown(to_pci_dev(dev), NULL, 1); } static int __maybe_unused igb_runtime_resume(struct device *dev) diff --git a/drivers/net/ethernet/intel/igbvf/netdev.c b/drivers/net/ethernet/intel/igbvf/netdev.c index 4eab83faec62..34cd30d7162f 100644 --- a/drivers/net/ethernet/intel/igbvf/netdev.c +++ b/drivers/net/ethernet/intel/igbvf/netdev.c @@ -2279,10 +2279,6 @@ static inline void igbvf_tx_queue_adv(struct igbvf_adapter *adapter, tx_ring->buffer_info[first].next_to_watch = tx_desc; tx_ring->next_to_use = i; writel(i, adapter->hw.hw_addr + tx_ring->tail); - /* we need this if more than one processor can write to our tail - * at a time, it synchronizes IO on IA64/Altix systems - */ - mmiowb(); } static netdev_tx_t igbvf_xmit_frame_ring_adv(struct sk_buff *skb, diff --git a/drivers/net/ethernet/intel/igc/igc_main.c b/drivers/net/ethernet/intel/igc/igc_main.c index 87a11879bf2d..f8d692f6aa4f 100644 --- a/drivers/net/ethernet/intel/igc/igc_main.c +++ b/drivers/net/ethernet/intel/igc/igc_main.c @@ -892,11 +892,6 @@ static int igc_tx_map(struct igc_ring *tx_ring, if (netif_xmit_stopped(txring_txq(tx_ring)) || !skb->xmit_more) { writel(i, tx_ring->tail); - - /* we need this if more than one processor can write to our tail - * at a time, it synchronizes IO on IA64/Altix systems - */ - mmiowb(); } return 0; diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c index e100054a3765..99e23cf6a73a 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c @@ -8299,11 +8299,6 @@ static int ixgbe_tx_map(struct ixgbe_ring *tx_ring, if (netif_xmit_stopped(txring_txq(tx_ring)) || !skb->xmit_more) { writel(i, tx_ring->tail); - - /* we need this if more than one processor can write to our tail - * at a time, it synchronizes IO on IA64/Altix systems - */ - mmiowb(); } return 0; diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.c index cc4907f9ff02..2fb97967961c 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.c @@ -905,13 +905,12 @@ s32 ixgbe_mii_bus_init(struct ixgbe_hw *hw) struct pci_dev *pdev = adapter->pdev; struct device *dev = &adapter->netdev->dev; struct mii_bus *bus; + int err = -ENODEV; - adapter->mii_bus = devm_mdiobus_alloc(dev); - if (!adapter->mii_bus) + bus = devm_mdiobus_alloc(dev); + if (!bus) return -ENOMEM; - bus = adapter->mii_bus; - switch (hw->device_id) { /* C3000 SoCs */ case IXGBE_DEV_ID_X550EM_A_KR: @@ -949,12 +948,15 @@ s32 ixgbe_mii_bus_init(struct ixgbe_hw *hw) */ hw->phy.mdio.mode_support = MDIO_SUPPORTS_C45 | MDIO_SUPPORTS_C22; - return mdiobus_register(bus); + err = mdiobus_register(bus); + if (!err) { + adapter->mii_bus = bus; + return 0; + } ixgbe_no_mii_bus: devm_mdiobus_free(dev, bus); - adapter->mii_bus = NULL; - return -ENODEV; + return err; } /** diff --git a/drivers/net/ethernet/marvell/sky2.c b/drivers/net/ethernet/marvell/sky2.c index 8b3495ee2b6e..49486c10ef81 100644 --- a/drivers/net/ethernet/marvell/sky2.c +++ b/drivers/net/ethernet/marvell/sky2.c @@ -1139,9 +1139,6 @@ static inline void sky2_put_idx(struct sky2_hw *hw, unsigned q, u16 idx) /* Make sure write' to descriptors are complete before we tell hardware */ wmb(); sky2_write16(hw, Y2_QADDR(q, PREF_UNIT_PUT_IDX), idx); - - /* Synchronize I/O on since next processor may write to tail */ - mmiowb(); } @@ -1354,7 +1351,6 @@ stopped: /* reset the Rx prefetch unit */ sky2_write32(hw, Y2_QADDR(rxq, PREF_UNIT_CTRL), PREF_UNIT_RST_SET); - mmiowb(); } /* Clean out receive buffer area, assumes receiver hardware stopped */ diff --git a/drivers/net/ethernet/mellanox/mlx4/catas.c b/drivers/net/ethernet/mellanox/mlx4/catas.c index c81d15bf259c..87e90b5d4d7d 100644 --- a/drivers/net/ethernet/mellanox/mlx4/catas.c +++ b/drivers/net/ethernet/mellanox/mlx4/catas.c @@ -129,10 +129,6 @@ static int mlx4_reset_slave(struct mlx4_dev *dev) comm_flags = rst_req << COM_CHAN_RST_REQ_OFFSET; __raw_writel((__force u32)cpu_to_be32(comm_flags), (__iomem char *)priv->mfunc.comm + MLX4_COMM_CHAN_FLAGS); - /* Make sure that our comm channel write doesn't - * get mixed in with writes from another CPU. - */ - mmiowb(); end = msecs_to_jiffies(MLX4_COMM_TIME) + jiffies; while (time_before(jiffies, end)) { diff --git a/drivers/net/ethernet/mellanox/mlx4/cmd.c b/drivers/net/ethernet/mellanox/mlx4/cmd.c index a5d5d6fc1da0..c678344d22a2 100644 --- a/drivers/net/ethernet/mellanox/mlx4/cmd.c +++ b/drivers/net/ethernet/mellanox/mlx4/cmd.c @@ -281,7 +281,6 @@ static int mlx4_comm_cmd_post(struct mlx4_dev *dev, u8 cmd, u16 param) val = param | (cmd << 16) | (priv->cmd.comm_toggle << 31); __raw_writel((__force u32) cpu_to_be32(val), &priv->mfunc.comm->slave_write); - mmiowb(); mutex_unlock(&dev->persist->device_state_mutex); return 0; } @@ -496,12 +495,6 @@ static int mlx4_cmd_post(struct mlx4_dev *dev, u64 in_param, u64 out_param, (op_modifier << HCR_OPMOD_SHIFT) | op), hcr + 6); - /* - * Make sure that our HCR writes don't get mixed in with - * writes from another CPU starting a FW command. - */ - mmiowb(); - cmd->toggle = cmd->toggle ^ 1; ret = 0; @@ -2206,7 +2199,6 @@ static void mlx4_master_do_cmd(struct mlx4_dev *dev, int slave, u8 cmd, } __raw_writel((__force u32) cpu_to_be32(reply), &priv->mfunc.comm[slave].slave_read); - mmiowb(); return; @@ -2410,7 +2402,6 @@ int mlx4_multi_func_init(struct mlx4_dev *dev) &priv->mfunc.comm[i].slave_write); __raw_writel((__force u32) 0, &priv->mfunc.comm[i].slave_read); - mmiowb(); for (port = 1; port <= MLX4_MAX_PORTS; port++) { struct mlx4_vport_state *admin_vport; struct mlx4_vport_state *oper_vport; @@ -2576,10 +2567,6 @@ void mlx4_report_internal_err_comm_event(struct mlx4_dev *dev) slave_read |= (u32)COMM_CHAN_EVENT_INTERNAL_ERR; __raw_writel((__force u32)cpu_to_be32(slave_read), &priv->mfunc.comm[slave].slave_read); - /* Make sure that our comm channel write doesn't - * get mixed in with writes from another CPU. - */ - mmiowb(); } } diff --git a/drivers/net/ethernet/mellanox/mlx5/core/cmd.c b/drivers/net/ethernet/mellanox/mlx5/core/cmd.c index be48c6440251..c087d1014b09 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/cmd.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/cmd.c @@ -917,7 +917,6 @@ static void cmd_work_handler(struct work_struct *work) mlx5_core_dbg(dev, "writing 0x%x to command doorbell\n", 1 << ent->idx); wmb(); iowrite32be(1 << ent->idx, &dev->iseg->cmd_dbell); - mmiowb(); /* if not in polling don't use ent after this point */ if (cmd_mode == CMD_MODE_POLLING || poll_cmd) { poll_timeout(ent); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en.h b/drivers/net/ethernet/mellanox/mlx5/core/en.h index 71c65cc17904..d3eaf2ceaa39 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/en.h @@ -858,6 +858,7 @@ void mlx5e_close_channels(struct mlx5e_channels *chs); * switching channels */ typedef int (*mlx5e_fp_hw_modify)(struct mlx5e_priv *priv); +int mlx5e_safe_reopen_channels(struct mlx5e_priv *priv); int mlx5e_safe_switch_channels(struct mlx5e_priv *priv, struct mlx5e_channels *new_chs, mlx5e_fp_hw_modify hw_modify); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/port.c b/drivers/net/ethernet/mellanox/mlx5/core/en/port.c index 122927f3a600..d5e5afbdca6d 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en/port.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en/port.c @@ -96,9 +96,6 @@ int mlx5_port_query_eth_proto(struct mlx5_core_dev *dev, u8 port, bool ext, if (!eproto) return -EINVAL; - if (ext != MLX5_CAP_PCAM_FEATURE(dev, ptys_extended_ethernet)) - return -EOPNOTSUPP; - err = mlx5_query_port_ptys(dev, out, sizeof(out), MLX5_PTYS_EN, port); if (err) return err; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/port_buffer.c b/drivers/net/ethernet/mellanox/mlx5/core/en/port_buffer.c index eac245a93f91..4ab0d030b544 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en/port_buffer.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en/port_buffer.c @@ -122,7 +122,9 @@ out: return err; } -/* xoff = ((301+2.16 * len [m]) * speed [Gbps] + 2.72 MTU [B]) */ +/* xoff = ((301+2.16 * len [m]) * speed [Gbps] + 2.72 MTU [B]) + * minimum speed value is 40Gbps + */ static u32 calculate_xoff(struct mlx5e_priv *priv, unsigned int mtu) { u32 speed; @@ -130,10 +132,9 @@ static u32 calculate_xoff(struct mlx5e_priv *priv, unsigned int mtu) int err; err = mlx5e_port_linkspeed(priv->mdev, &speed); - if (err) { - mlx5_core_warn(priv->mdev, "cannot get port speed\n"); - return 0; - } + if (err) + speed = SPEED_40000; + speed = max_t(u32, speed, SPEED_40000); xoff = (301 + 216 * priv->dcbx.cable_len / 100) * speed / 1000 + 272 * mtu / 100; @@ -142,7 +143,7 @@ static u32 calculate_xoff(struct mlx5e_priv *priv, unsigned int mtu) } static int update_xoff_threshold(struct mlx5e_port_buffer *port_buffer, - u32 xoff, unsigned int mtu) + u32 xoff, unsigned int max_mtu) { int i; @@ -154,11 +155,12 @@ static int update_xoff_threshold(struct mlx5e_port_buffer *port_buffer, } if (port_buffer->buffer[i].size < - (xoff + mtu + (1 << MLX5E_BUFFER_CELL_SHIFT))) + (xoff + max_mtu + (1 << MLX5E_BUFFER_CELL_SHIFT))) return -ENOMEM; port_buffer->buffer[i].xoff = port_buffer->buffer[i].size - xoff; - port_buffer->buffer[i].xon = port_buffer->buffer[i].xoff - mtu; + port_buffer->buffer[i].xon = + port_buffer->buffer[i].xoff - max_mtu; } return 0; @@ -166,7 +168,7 @@ static int update_xoff_threshold(struct mlx5e_port_buffer *port_buffer, /** * update_buffer_lossy() - * mtu: device's MTU + * max_mtu: netdev's max_mtu * pfc_en: <input> current pfc configuration * buffer: <input> current prio to buffer mapping * xoff: <input> xoff value @@ -183,7 +185,7 @@ static int update_xoff_threshold(struct mlx5e_port_buffer *port_buffer, * Return 0 if no error. * Set change to true if buffer configuration is modified. */ -static int update_buffer_lossy(unsigned int mtu, +static int update_buffer_lossy(unsigned int max_mtu, u8 pfc_en, u8 *buffer, u32 xoff, struct mlx5e_port_buffer *port_buffer, bool *change) @@ -220,7 +222,7 @@ static int update_buffer_lossy(unsigned int mtu, } if (changed) { - err = update_xoff_threshold(port_buffer, xoff, mtu); + err = update_xoff_threshold(port_buffer, xoff, max_mtu); if (err) return err; @@ -230,6 +232,7 @@ static int update_buffer_lossy(unsigned int mtu, return 0; } +#define MINIMUM_MAX_MTU 9216 int mlx5e_port_manual_buffer_config(struct mlx5e_priv *priv, u32 change, unsigned int mtu, struct ieee_pfc *pfc, @@ -241,12 +244,14 @@ int mlx5e_port_manual_buffer_config(struct mlx5e_priv *priv, bool update_prio2buffer = false; u8 buffer[MLX5E_MAX_PRIORITY]; bool update_buffer = false; + unsigned int max_mtu; u32 total_used = 0; u8 curr_pfc_en; int err; int i; mlx5e_dbg(HW, priv, "%s: change=%x\n", __func__, change); + max_mtu = max_t(unsigned int, priv->netdev->max_mtu, MINIMUM_MAX_MTU); err = mlx5e_port_query_buffer(priv, &port_buffer); if (err) @@ -254,7 +259,7 @@ int mlx5e_port_manual_buffer_config(struct mlx5e_priv *priv, if (change & MLX5E_PORT_BUFFER_CABLE_LEN) { update_buffer = true; - err = update_xoff_threshold(&port_buffer, xoff, mtu); + err = update_xoff_threshold(&port_buffer, xoff, max_mtu); if (err) return err; } @@ -264,7 +269,7 @@ int mlx5e_port_manual_buffer_config(struct mlx5e_priv *priv, if (err) return err; - err = update_buffer_lossy(mtu, pfc->pfc_en, buffer, xoff, + err = update_buffer_lossy(max_mtu, pfc->pfc_en, buffer, xoff, &port_buffer, &update_buffer); if (err) return err; @@ -276,8 +281,8 @@ int mlx5e_port_manual_buffer_config(struct mlx5e_priv *priv, if (err) return err; - err = update_buffer_lossy(mtu, curr_pfc_en, prio2buffer, xoff, - &port_buffer, &update_buffer); + err = update_buffer_lossy(max_mtu, curr_pfc_en, prio2buffer, + xoff, &port_buffer, &update_buffer); if (err) return err; } @@ -301,7 +306,7 @@ int mlx5e_port_manual_buffer_config(struct mlx5e_priv *priv, return -EINVAL; update_buffer = true; - err = update_xoff_threshold(&port_buffer, xoff, mtu); + err = update_xoff_threshold(&port_buffer, xoff, max_mtu); if (err) return err; } @@ -309,7 +314,7 @@ int mlx5e_port_manual_buffer_config(struct mlx5e_priv *priv, /* Need to update buffer configuration if xoff value is changed */ if (!update_buffer && xoff != priv->dcbx.xoff) { update_buffer = true; - err = update_xoff_threshold(&port_buffer, xoff, mtu); + err = update_xoff_threshold(&port_buffer, xoff, max_mtu); if (err) return err; } diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/reporter_tx.c b/drivers/net/ethernet/mellanox/mlx5/core/en/reporter_tx.c index 9d38e62cdf24..476dd97f7f2f 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en/reporter_tx.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en/reporter_tx.c @@ -186,12 +186,17 @@ static int mlx5e_tx_reporter_recover_from_ctx(struct mlx5e_tx_err_ctx *err_ctx) static int mlx5e_tx_reporter_recover_all(struct mlx5e_priv *priv) { - int err; + int err = 0; rtnl_lock(); mutex_lock(&priv->state_lock); - mlx5e_close_locked(priv->netdev); - err = mlx5e_open_locked(priv->netdev); + + if (!test_bit(MLX5E_STATE_OPENED, &priv->state)) + goto out; + + err = mlx5e_safe_reopen_channels(priv); + +out: mutex_unlock(&priv->state_lock); rtnl_unlock(); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.c b/drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.c index fa2a3c444cdc..eec07b34b4ad 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.c @@ -39,6 +39,10 @@ static int get_route_and_out_devs(struct mlx5e_priv *priv, return -EOPNOTSUPP; } + if (!(mlx5e_eswitch_rep(*out_dev) && + mlx5e_is_uplink_rep(netdev_priv(*out_dev)))) + return -EOPNOTSUPP; + return 0; } diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/xdp.c b/drivers/net/ethernet/mellanox/mlx5/core/en/xdp.c index 03b2a9f9c589..cad34d6f5f45 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en/xdp.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en/xdp.c @@ -33,6 +33,26 @@ #include <linux/bpf_trace.h> #include "en/xdp.h" +int mlx5e_xdp_max_mtu(struct mlx5e_params *params) +{ + int hr = NET_IP_ALIGN + XDP_PACKET_HEADROOM; + + /* Let S := SKB_DATA_ALIGN(sizeof(struct skb_shared_info)). + * The condition checked in mlx5e_rx_is_linear_skb is: + * SKB_DATA_ALIGN(sw_mtu + hard_mtu + hr) + S <= PAGE_SIZE (1) + * (Note that hw_mtu == sw_mtu + hard_mtu.) + * What is returned from this function is: + * max_mtu = PAGE_SIZE - S - hr - hard_mtu (2) + * After assigning sw_mtu := max_mtu, the left side of (1) turns to + * SKB_DATA_ALIGN(PAGE_SIZE - S) + S, which is equal to PAGE_SIZE, + * because both PAGE_SIZE and S are already aligned. Any number greater + * than max_mtu would make the left side of (1) greater than PAGE_SIZE, + * so max_mtu is the maximum MTU allowed. + */ + + return MLX5E_HW2SW_MTU(params, SKB_MAX_HEAD(hr)); +} + static inline bool mlx5e_xmit_xdp_buff(struct mlx5e_xdpsq *sq, struct mlx5e_dma_info *di, struct xdp_buff *xdp) @@ -304,9 +324,9 @@ bool mlx5e_poll_xdpsq_cq(struct mlx5e_cq *cq, struct mlx5e_rq *rq) mlx5e_xdpi_fifo_pop(xdpi_fifo); if (is_redirect) { - xdp_return_frame(xdpi.xdpf); dma_unmap_single(sq->pdev, xdpi.dma_addr, xdpi.xdpf->len, DMA_TO_DEVICE); + xdp_return_frame(xdpi.xdpf); } else { /* Recycle RX page */ mlx5e_page_release(rq, &xdpi.di, true); @@ -345,9 +365,9 @@ void mlx5e_free_xdpsq_descs(struct mlx5e_xdpsq *sq, struct mlx5e_rq *rq) mlx5e_xdpi_fifo_pop(xdpi_fifo); if (is_redirect) { - xdp_return_frame(xdpi.xdpf); dma_unmap_single(sq->pdev, xdpi.dma_addr, xdpi.xdpf->len, DMA_TO_DEVICE); + xdp_return_frame(xdpi.xdpf); } else { /* Recycle RX page */ mlx5e_page_release(rq, &xdpi.di, false); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/xdp.h b/drivers/net/ethernet/mellanox/mlx5/core/en/xdp.h index ee27a7c8cd87..553956cadc8a 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en/xdp.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/en/xdp.h @@ -34,13 +34,12 @@ #include "en.h" -#define MLX5E_XDP_MAX_MTU ((int)(PAGE_SIZE - \ - MLX5_SKB_FRAG_SZ(XDP_PACKET_HEADROOM))) #define MLX5E_XDP_MIN_INLINE (ETH_HLEN + VLAN_HLEN) #define MLX5E_XDP_TX_EMPTY_DS_COUNT \ (sizeof(struct mlx5e_tx_wqe) / MLX5_SEND_WQE_DS) #define MLX5E_XDP_TX_DS_COUNT (MLX5E_XDP_TX_EMPTY_DS_COUNT + 1 /* SG DS */) +int mlx5e_xdp_max_mtu(struct mlx5e_params *params); bool mlx5e_xdp_handle(struct mlx5e_rq *rq, struct mlx5e_dma_info *di, void *va, u16 *rx_headroom, u32 *len); bool mlx5e_poll_xdpsq_cq(struct mlx5e_cq *cq, struct mlx5e_rq *rq); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_common.c b/drivers/net/ethernet/mellanox/mlx5/core/en_common.c index 3078491cc0d0..1539cf3de5dc 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_common.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_common.c @@ -45,7 +45,9 @@ int mlx5e_create_tir(struct mlx5_core_dev *mdev, if (err) return err; + mutex_lock(&mdev->mlx5e_res.td.list_lock); list_add(&tir->list, &mdev->mlx5e_res.td.tirs_list); + mutex_unlock(&mdev->mlx5e_res.td.list_lock); return 0; } @@ -53,8 +55,10 @@ int mlx5e_create_tir(struct mlx5_core_dev *mdev, void mlx5e_destroy_tir(struct mlx5_core_dev *mdev, struct mlx5e_tir *tir) { + mutex_lock(&mdev->mlx5e_res.td.list_lock); mlx5_core_destroy_tir(mdev, tir->tirn); list_del(&tir->list); + mutex_unlock(&mdev->mlx5e_res.td.list_lock); } static int mlx5e_create_mkey(struct mlx5_core_dev *mdev, u32 pdn, @@ -114,6 +118,7 @@ int mlx5e_create_mdev_resources(struct mlx5_core_dev *mdev) } INIT_LIST_HEAD(&mdev->mlx5e_res.td.tirs_list); + mutex_init(&mdev->mlx5e_res.td.list_lock); return 0; @@ -141,15 +146,17 @@ int mlx5e_refresh_tirs(struct mlx5e_priv *priv, bool enable_uc_lb) { struct mlx5_core_dev *mdev = priv->mdev; struct mlx5e_tir *tir; - int err = -ENOMEM; + int err = 0; u32 tirn = 0; int inlen; void *in; inlen = MLX5_ST_SZ_BYTES(modify_tir_in); in = kvzalloc(inlen, GFP_KERNEL); - if (!in) + if (!in) { + err = -ENOMEM; goto out; + } if (enable_uc_lb) MLX5_SET(modify_tir_in, in, ctx.self_lb_block, @@ -157,6 +164,7 @@ int mlx5e_refresh_tirs(struct mlx5e_priv *priv, bool enable_uc_lb) MLX5_SET(modify_tir_in, in, bitmask.self_lb_en, 1); + mutex_lock(&mdev->mlx5e_res.td.list_lock); list_for_each_entry(tir, &mdev->mlx5e_res.td.tirs_list, list) { tirn = tir->tirn; err = mlx5_core_modify_tir(mdev, tirn, in, inlen); @@ -168,6 +176,7 @@ out: kvfree(in); if (err) netdev_err(priv->netdev, "refresh tir(0x%x) failed, %d\n", tirn, err); + mutex_unlock(&mdev->mlx5e_res.td.list_lock); return err; } diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c index a0987cc5fe4a..78dc8fe2a83c 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c @@ -603,16 +603,18 @@ static void ptys2ethtool_supported_link(struct mlx5_core_dev *mdev, __ETHTOOL_LINK_MODE_MASK_NBITS); } -static void ptys2ethtool_adver_link(struct mlx5_core_dev *mdev, - unsigned long *advertising_modes, - u32 eth_proto_cap) +static void ptys2ethtool_adver_link(unsigned long *advertising_modes, + u32 eth_proto_cap, bool ext) { unsigned long proto_cap = eth_proto_cap; struct ptys2ethtool_config *table; u32 max_size; int proto; - mlx5e_ethtool_get_speed_arr(mdev, &table, &max_size); + table = ext ? ptys2ext_ethtool_table : ptys2legacy_ethtool_table; + max_size = ext ? ARRAY_SIZE(ptys2ext_ethtool_table) : + ARRAY_SIZE(ptys2legacy_ethtool_table); + for_each_set_bit(proto, &proto_cap, max_size) bitmap_or(advertising_modes, advertising_modes, table[proto].advertised, @@ -794,12 +796,12 @@ static void get_supported(struct mlx5_core_dev *mdev, u32 eth_proto_cap, ethtool_link_ksettings_add_link_mode(link_ksettings, supported, Pause); } -static void get_advertising(struct mlx5_core_dev *mdev, u32 eth_proto_cap, - u8 tx_pause, u8 rx_pause, - struct ethtool_link_ksettings *link_ksettings) +static void get_advertising(u32 eth_proto_cap, u8 tx_pause, u8 rx_pause, + struct ethtool_link_ksettings *link_ksettings, + bool ext) { unsigned long *advertising = link_ksettings->link_modes.advertising; - ptys2ethtool_adver_link(mdev, advertising, eth_proto_cap); + ptys2ethtool_adver_link(advertising, eth_proto_cap, ext); if (rx_pause) ethtool_link_ksettings_add_link_mode(link_ksettings, advertising, Pause); @@ -854,8 +856,9 @@ static void get_lp_advertising(struct mlx5_core_dev *mdev, u32 eth_proto_lp, struct ethtool_link_ksettings *link_ksettings) { unsigned long *lp_advertising = link_ksettings->link_modes.lp_advertising; + bool ext = MLX5_CAP_PCAM_FEATURE(mdev, ptys_extended_ethernet); - ptys2ethtool_adver_link(mdev, lp_advertising, eth_proto_lp); + ptys2ethtool_adver_link(lp_advertising, eth_proto_lp, ext); } int mlx5e_ethtool_get_link_ksettings(struct mlx5e_priv *priv, @@ -872,6 +875,7 @@ int mlx5e_ethtool_get_link_ksettings(struct mlx5e_priv *priv, u8 an_disable_admin; u8 an_status; u8 connector_type; + bool admin_ext; bool ext; int err; @@ -886,6 +890,19 @@ int mlx5e_ethtool_get_link_ksettings(struct mlx5e_priv *priv, eth_proto_capability); eth_proto_admin = MLX5_GET_ETH_PROTO(ptys_reg, out, ext, eth_proto_admin); + /* Fields: eth_proto_admin and ext_eth_proto_admin are + * mutually exclusive. Hence try reading legacy advertising + * when extended advertising is zero. + * admin_ext indicates how eth_proto_admin should be + * interpreted + */ + admin_ext = ext; + if (ext && !eth_proto_admin) { + eth_proto_admin = MLX5_GET_ETH_PROTO(ptys_reg, out, false, + eth_proto_admin); + admin_ext = false; + } + eth_proto_oper = MLX5_GET_ETH_PROTO(ptys_reg, out, ext, eth_proto_oper); eth_proto_lp = MLX5_GET(ptys_reg, out, eth_proto_lp_advertise); @@ -899,7 +916,8 @@ int mlx5e_ethtool_get_link_ksettings(struct mlx5e_priv *priv, ethtool_link_ksettings_zero_link_mode(link_ksettings, advertising); get_supported(mdev, eth_proto_cap, link_ksettings); - get_advertising(mdev, eth_proto_admin, tx_pause, rx_pause, link_ksettings); + get_advertising(eth_proto_admin, tx_pause, rx_pause, link_ksettings, + admin_ext); get_speed_duplex(priv->netdev, eth_proto_oper, link_ksettings); eth_proto_oper = eth_proto_oper ? eth_proto_oper : eth_proto_cap; @@ -997,19 +1015,17 @@ int mlx5e_ethtool_set_link_ksettings(struct mlx5e_priv *priv, #define MLX5E_PTYS_EXT ((1ULL << ETHTOOL_LINK_MODE_50000baseKR_Full_BIT) - 1) - ext_requested = (link_ksettings->link_modes.advertising[0] > - MLX5E_PTYS_EXT); + ext_requested = !!(link_ksettings->link_modes.advertising[0] > + MLX5E_PTYS_EXT || + link_ksettings->link_modes.advertising[1]); ext_supported = MLX5_CAP_PCAM_FEATURE(mdev, ptys_extended_ethernet); - - /*when ptys_extended_ethernet is set legacy link modes are deprecated */ - if (ext_requested != ext_supported) - return -EPROTONOSUPPORT; + ext_requested &= ext_supported; speed = link_ksettings->base.speed; ethtool2ptys_adver_func = ext_requested ? mlx5e_ethtool2ptys_ext_adver_link : mlx5e_ethtool2ptys_adver_link; - err = mlx5_port_query_eth_proto(mdev, 1, ext_supported, &eproto); + err = mlx5_port_query_eth_proto(mdev, 1, ext_requested, &eproto); if (err) { netdev_err(priv->netdev, "%s: query port eth proto failed: %d\n", __func__, err); @@ -1037,7 +1053,7 @@ int mlx5e_ethtool_set_link_ksettings(struct mlx5e_priv *priv, if (!an_changes && link_modes == eproto.admin) goto out; - mlx5_port_set_eth_ptys(mdev, an_disable, link_modes, ext_supported); + mlx5_port_set_eth_ptys(mdev, an_disable, link_modes, ext_requested); mlx5_toggle_port_link(mdev); out: @@ -1570,7 +1586,7 @@ static int mlx5e_get_module_info(struct net_device *netdev, break; case MLX5_MODULE_ID_SFP: modinfo->type = ETH_MODULE_SFF_8472; - modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN; + modinfo->eeprom_len = MLX5_EEPROM_PAGE_LENGTH; break; default: netdev_err(priv->netdev, "%s: cable type not recognized:0x%x\n", @@ -1752,7 +1768,8 @@ static int set_pflag_rx_no_csum_complete(struct net_device *netdev, bool enable) struct mlx5e_channel *c; int i; - if (!test_bit(MLX5E_STATE_OPENED, &priv->state)) + if (!test_bit(MLX5E_STATE_OPENED, &priv->state) || + priv->channels.params.xdp_prog) return 0; for (i = 0; i < channels->num; i++) { diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c index b5fdbd3190d9..46157e2a1e5a 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c @@ -951,7 +951,11 @@ static int mlx5e_open_rq(struct mlx5e_channel *c, if (params->rx_dim_enabled) __set_bit(MLX5E_RQ_STATE_AM, &c->rq.state); - if (MLX5E_GET_PFLAG(params, MLX5E_PFLAG_RX_NO_CSUM_COMPLETE)) + /* We disable csum_complete when XDP is enabled since + * XDP programs might manipulate packets which will render + * skb->checksum incorrect. + */ + if (MLX5E_GET_PFLAG(params, MLX5E_PFLAG_RX_NO_CSUM_COMPLETE) || c->xdp) __set_bit(MLX5E_RQ_STATE_NO_CSUM_COMPLETE, &c->rq.state); return 0; @@ -2937,6 +2941,14 @@ int mlx5e_safe_switch_channels(struct mlx5e_priv *priv, return 0; } +int mlx5e_safe_reopen_channels(struct mlx5e_priv *priv) +{ + struct mlx5e_channels new_channels = {}; + + new_channels.params = priv->channels.params; + return mlx5e_safe_switch_channels(priv, &new_channels, NULL); +} + void mlx5e_timestamp_init(struct mlx5e_priv *priv) { priv->tstamp.tx_type = HWTSTAMP_TX_OFF; @@ -3765,7 +3777,7 @@ int mlx5e_change_mtu(struct net_device *netdev, int new_mtu, if (params->xdp_prog && !mlx5e_rx_is_linear_skb(priv->mdev, &new_channels.params)) { netdev_err(netdev, "MTU(%d) > %d is not allowed while XDP enabled\n", - new_mtu, MLX5E_XDP_MAX_MTU); + new_mtu, mlx5e_xdp_max_mtu(params)); err = -EINVAL; goto out; } @@ -4161,11 +4173,10 @@ static void mlx5e_tx_timeout_work(struct work_struct *work) if (!report_failed) goto unlock; - mlx5e_close_locked(priv->netdev); - err = mlx5e_open_locked(priv->netdev); + err = mlx5e_safe_reopen_channels(priv); if (err) netdev_err(priv->netdev, - "mlx5e_open_locked failed recovering from a tx_timeout, err(%d).\n", + "mlx5e_safe_reopen_channels failed recovering from a tx_timeout, err(%d).\n", err); unlock: @@ -4201,7 +4212,8 @@ static int mlx5e_xdp_allowed(struct mlx5e_priv *priv, struct bpf_prog *prog) if (!mlx5e_rx_is_linear_skb(priv->mdev, &new_channels.params)) { netdev_warn(netdev, "XDP is not allowed with MTU(%d) > %d\n", - new_channels.params.sw_mtu, MLX5E_XDP_MAX_MTU); + new_channels.params.sw_mtu, + mlx5e_xdp_max_mtu(&new_channels.params)); return -EINVAL; } @@ -4553,7 +4565,7 @@ void mlx5e_build_rss_params(struct mlx5e_rss_params *rss_params, { enum mlx5e_traffic_types tt; - rss_params->hfunc = ETH_RSS_HASH_XOR; + rss_params->hfunc = ETH_RSS_HASH_TOP; netdev_rss_key_fill(rss_params->toeplitz_hash_key, sizeof(rss_params->toeplitz_hash_key)); mlx5e_build_default_indir_rqt(rss_params->indirection_rqt, diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c index 3dde5c7e0739..c3b3002ff62f 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c @@ -692,7 +692,14 @@ static inline bool is_last_ethertype_ip(struct sk_buff *skb, int *network_depth, { *proto = ((struct ethhdr *)skb->data)->h_proto; *proto = __vlan_get_protocol(skb, *proto, network_depth); - return (*proto == htons(ETH_P_IP) || *proto == htons(ETH_P_IPV6)); + + if (*proto == htons(ETH_P_IP)) + return pskb_may_pull(skb, *network_depth + sizeof(struct iphdr)); + + if (*proto == htons(ETH_P_IPV6)) + return pskb_may_pull(skb, *network_depth + sizeof(struct ipv6hdr)); + + return false; } static inline void mlx5e_enable_ecn(struct mlx5e_rq *rq, struct sk_buff *skb) @@ -712,17 +719,6 @@ static inline void mlx5e_enable_ecn(struct mlx5e_rq *rq, struct sk_buff *skb) rq->stats->ecn_mark += !!rc; } -static u32 mlx5e_get_fcs(const struct sk_buff *skb) -{ - const void *fcs_bytes; - u32 _fcs_bytes; - - fcs_bytes = skb_header_pointer(skb, skb->len - ETH_FCS_LEN, - ETH_FCS_LEN, &_fcs_bytes); - - return __get_unaligned_cpu32(fcs_bytes); -} - static u8 get_ip_proto(struct sk_buff *skb, int network_depth, __be16 proto) { void *ip_p = skb->data + network_depth; @@ -733,6 +729,68 @@ static u8 get_ip_proto(struct sk_buff *skb, int network_depth, __be16 proto) #define short_frame(size) ((size) <= ETH_ZLEN + ETH_FCS_LEN) +#define MAX_PADDING 8 + +static void +tail_padding_csum_slow(struct sk_buff *skb, int offset, int len, + struct mlx5e_rq_stats *stats) +{ + stats->csum_complete_tail_slow++; + skb->csum = csum_block_add(skb->csum, + skb_checksum(skb, offset, len, 0), + offset); +} + +static void +tail_padding_csum(struct sk_buff *skb, int offset, + struct mlx5e_rq_stats *stats) +{ + u8 tail_padding[MAX_PADDING]; + int len = skb->len - offset; + void *tail; + + if (unlikely(len > MAX_PADDING)) { + tail_padding_csum_slow(skb, offset, len, stats); + return; + } + + tail = skb_header_pointer(skb, offset, len, tail_padding); + if (unlikely(!tail)) { + tail_padding_csum_slow(skb, offset, len, stats); + return; + } + + stats->csum_complete_tail++; + skb->csum = csum_block_add(skb->csum, csum_partial(tail, len, 0), offset); +} + +static void +mlx5e_skb_padding_csum(struct sk_buff *skb, int network_depth, __be16 proto, + struct mlx5e_rq_stats *stats) +{ + struct ipv6hdr *ip6; + struct iphdr *ip4; + int pkt_len; + + switch (proto) { + case htons(ETH_P_IP): + ip4 = (struct iphdr *)(skb->data + network_depth); + pkt_len = network_depth + ntohs(ip4->tot_len); + break; + case htons(ETH_P_IPV6): + ip6 = (struct ipv6hdr *)(skb->data + network_depth); + pkt_len = network_depth + sizeof(*ip6) + ntohs(ip6->payload_len); + break; + default: + return; + } + + if (likely(pkt_len >= skb->len)) + return; + + tail_padding_csum(skb, pkt_len, stats); +} + static inline void mlx5e_handle_csum(struct net_device *netdev, struct mlx5_cqe64 *cqe, struct mlx5e_rq *rq, @@ -752,7 +810,8 @@ static inline void mlx5e_handle_csum(struct net_device *netdev, return; } - if (unlikely(test_bit(MLX5E_RQ_STATE_NO_CSUM_COMPLETE, &rq->state))) + /* True when explicitly set via priv flag, or XDP prog is loaded */ + if (test_bit(MLX5E_RQ_STATE_NO_CSUM_COMPLETE, &rq->state)) goto csum_unnecessary; /* CQE csum doesn't cover padding octets in short ethernet @@ -780,18 +839,15 @@ static inline void mlx5e_handle_csum(struct net_device *netdev, skb->csum = csum_partial(skb->data + ETH_HLEN, network_depth - ETH_HLEN, skb->csum); - if (unlikely(netdev->features & NETIF_F_RXFCS)) - skb->csum = csum_block_add(skb->csum, - (__force __wsum)mlx5e_get_fcs(skb), - skb->len - ETH_FCS_LEN); + + mlx5e_skb_padding_csum(skb, network_depth, proto, stats); stats->csum_complete++; return; } csum_unnecessary: if (likely((cqe->hds_ip_ext & CQE_L3_OK) && - ((cqe->hds_ip_ext & CQE_L4_OK) || - (get_cqe_l4_hdr_type(cqe) == CQE_L4_HDR_TYPE_NONE)))) { + (cqe->hds_ip_ext & CQE_L4_OK))) { skb->ip_summed = CHECKSUM_UNNECESSARY; if (cqe_is_tunneled(cqe)) { skb->csum_level = 1; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_stats.c b/drivers/net/ethernet/mellanox/mlx5/core/en_stats.c index 1a78e05cbba8..b75aa8b8bf04 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_stats.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_stats.c @@ -59,6 +59,8 @@ static const struct counter_desc sw_stats_desc[] = { { MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, rx_csum_unnecessary) }, { MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, rx_csum_none) }, { MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, rx_csum_complete) }, + { MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, rx_csum_complete_tail) }, + { MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, rx_csum_complete_tail_slow) }, { MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, rx_csum_unnecessary_inner) }, { MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, rx_xdp_drop) }, { MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, rx_xdp_redirect) }, @@ -151,6 +153,8 @@ static void mlx5e_grp_sw_update_stats(struct mlx5e_priv *priv) s->rx_removed_vlan_packets += rq_stats->removed_vlan_packets; s->rx_csum_none += rq_stats->csum_none; s->rx_csum_complete += rq_stats->csum_complete; + s->rx_csum_complete_tail += rq_stats->csum_complete_tail; + s->rx_csum_complete_tail_slow += rq_stats->csum_complete_tail_slow; s->rx_csum_unnecessary += rq_stats->csum_unnecessary; s->rx_csum_unnecessary_inner += rq_stats->csum_unnecessary_inner; s->rx_xdp_drop += rq_stats->xdp_drop; @@ -1190,6 +1194,8 @@ static const struct counter_desc rq_stats_desc[] = { { MLX5E_DECLARE_RX_STAT(struct mlx5e_rq_stats, packets) }, { MLX5E_DECLARE_RX_STAT(struct mlx5e_rq_stats, bytes) }, { MLX5E_DECLARE_RX_STAT(struct mlx5e_rq_stats, csum_complete) }, + { MLX5E_DECLARE_RX_STAT(struct mlx5e_rq_stats, csum_complete_tail) }, + { MLX5E_DECLARE_RX_STAT(struct mlx5e_rq_stats, csum_complete_tail_slow) }, { MLX5E_DECLARE_RX_STAT(struct mlx5e_rq_stats, csum_unnecessary) }, { MLX5E_DECLARE_RX_STAT(struct mlx5e_rq_stats, csum_unnecessary_inner) }, { MLX5E_DECLARE_RX_STAT(struct mlx5e_rq_stats, csum_none) }, diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_stats.h b/drivers/net/ethernet/mellanox/mlx5/core/en_stats.h index 4640d4f986f8..16c3b785f282 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_stats.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_stats.h @@ -71,6 +71,8 @@ struct mlx5e_sw_stats { u64 rx_csum_unnecessary; u64 rx_csum_none; u64 rx_csum_complete; + u64 rx_csum_complete_tail; + u64 rx_csum_complete_tail_slow; u64 rx_csum_unnecessary_inner; u64 rx_xdp_drop; u64 rx_xdp_redirect; @@ -181,6 +183,8 @@ struct mlx5e_rq_stats { u64 packets; u64 bytes; u64 csum_complete; + u64 csum_complete_tail; + u64 csum_complete_tail_slow; u64 csum_unnecessary; u64 csum_unnecessary_inner; u64 csum_none; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c index b4967a0ff8c7..d75dc44eb2ff 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c @@ -2158,6 +2158,52 @@ static bool csum_offload_supported(struct mlx5e_priv *priv, return true; } +struct ip_ttl_word { + __u8 ttl; + __u8 protocol; + __sum16 check; +}; + +struct ipv6_hoplimit_word { + __be16 payload_len; + __u8 nexthdr; + __u8 hop_limit; +}; + +static bool is_action_keys_supported(const struct flow_action_entry *act) +{ + u32 mask, offset; + u8 htype; + + htype = act->mangle.htype; + offset = act->mangle.offset; + mask = ~act->mangle.mask; + /* For IPv4 & IPv6 header check 4 byte word, + * to determine that modified fields + * are NOT ttl & hop_limit only. + */ + if (htype == FLOW_ACT_MANGLE_HDR_TYPE_IP4) { + struct ip_ttl_word *ttl_word = + (struct ip_ttl_word *)&mask; + + if (offset != offsetof(struct iphdr, ttl) || + ttl_word->protocol || + ttl_word->check) { + return true; + } + } else if (htype == FLOW_ACT_MANGLE_HDR_TYPE_IP6) { + struct ipv6_hoplimit_word *hoplimit_word = + (struct ipv6_hoplimit_word *)&mask; + + if (offset != offsetof(struct ipv6hdr, payload_len) || + hoplimit_word->payload_len || + hoplimit_word->nexthdr) { + return true; + } + } + return false; +} + static bool modify_header_match_supported(struct mlx5_flow_spec *spec, struct flow_action *flow_action, u32 actions, @@ -2165,9 +2211,9 @@ static bool modify_header_match_supported(struct mlx5_flow_spec *spec, { const struct flow_action_entry *act; bool modify_ip_header; - u8 htype, ip_proto; void *headers_v; u16 ethertype; + u8 ip_proto; int i; if (actions & MLX5_FLOW_CONTEXT_ACTION_DECAP) @@ -2187,9 +2233,7 @@ static bool modify_header_match_supported(struct mlx5_flow_spec *spec, act->id != FLOW_ACTION_ADD) continue; - htype = act->mangle.htype; - if (htype == FLOW_ACT_MANGLE_HDR_TYPE_IP4 || - htype == FLOW_ACT_MANGLE_HDR_TYPE_IP6) { + if (is_action_keys_supported(act)) { modify_ip_header = true; break; } @@ -2340,15 +2384,22 @@ static int parse_tc_nic_actions(struct mlx5e_priv *priv, return 0; } -static inline int cmp_encap_info(struct ip_tunnel_key *a, - struct ip_tunnel_key *b) +struct encap_key { + struct ip_tunnel_key *ip_tun_key; + int tunnel_type; +}; + +static inline int cmp_encap_info(struct encap_key *a, + struct encap_key *b) { - return memcmp(a, b, sizeof(*a)); + return memcmp(a->ip_tun_key, b->ip_tun_key, sizeof(*a->ip_tun_key)) || + a->tunnel_type != b->tunnel_type; } -static inline int hash_encap_info(struct ip_tunnel_key *key) +static inline int hash_encap_info(struct encap_key *key) { - return jhash(key, sizeof(*key), 0); + return jhash(key->ip_tun_key, sizeof(*key->ip_tun_key), + key->tunnel_type); } @@ -2379,7 +2430,7 @@ static int mlx5e_attach_encap(struct mlx5e_priv *priv, struct mlx5_esw_flow_attr *attr = flow->esw_attr; struct mlx5e_tc_flow_parse_attr *parse_attr; struct ip_tunnel_info *tun_info; - struct ip_tunnel_key *key; + struct encap_key key, e_key; struct mlx5e_encap_entry *e; unsigned short family; uintptr_t hash_key; @@ -2389,13 +2440,16 @@ static int mlx5e_attach_encap(struct mlx5e_priv *priv, parse_attr = attr->parse_attr; tun_info = &parse_attr->tun_info[out_index]; family = ip_tunnel_info_af(tun_info); - key = &tun_info->key; + key.ip_tun_key = &tun_info->key; + key.tunnel_type = mlx5e_tc_tun_get_type(mirred_dev); - hash_key = hash_encap_info(key); + hash_key = hash_encap_info(&key); hash_for_each_possible_rcu(esw->offloads.encap_tbl, e, encap_hlist, hash_key) { - if (!cmp_encap_info(&e->tun_info.key, key)) { + e_key.ip_tun_key = &e->tun_info.key; + e_key.tunnel_type = e->tunnel_type; + if (!cmp_encap_info(&e_key, &key)) { found = true; break; } @@ -2657,7 +2711,7 @@ static int parse_tc_fdb_actions(struct mlx5e_priv *priv, if (hdrs[TCA_PEDIT_KEY_EX_CMD_SET].pedits || hdrs[TCA_PEDIT_KEY_EX_CMD_ADD].pedits) { - err = alloc_tc_pedit_action(priv, MLX5_FLOW_NAMESPACE_KERNEL, + err = alloc_tc_pedit_action(priv, MLX5_FLOW_NAMESPACE_FDB, parse_attr, hdrs, extack); if (err) return err; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c index ecd2c747f726..8a67fd197b79 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c @@ -105,8 +105,7 @@ static int arm_vport_context_events_cmd(struct mlx5_core_dev *dev, u16 vport, opcode, MLX5_CMD_OP_MODIFY_NIC_VPORT_CONTEXT); MLX5_SET(modify_nic_vport_context_in, in, field_select.change_event, 1); MLX5_SET(modify_nic_vport_context_in, in, vport_number, vport); - if (vport) - MLX5_SET(modify_nic_vport_context_in, in, other_vport, 1); + MLX5_SET(modify_nic_vport_context_in, in, other_vport, 1); nic_vport_ctx = MLX5_ADDR_OF(modify_nic_vport_context_in, in, nic_vport_context); @@ -134,8 +133,7 @@ static int modify_esw_vport_context_cmd(struct mlx5_core_dev *dev, u16 vport, MLX5_SET(modify_esw_vport_context_in, in, opcode, MLX5_CMD_OP_MODIFY_ESW_VPORT_CONTEXT); MLX5_SET(modify_esw_vport_context_in, in, vport_number, vport); - if (vport) - MLX5_SET(modify_esw_vport_context_in, in, other_vport, 1); + MLX5_SET(modify_esw_vport_context_in, in, other_vport, 1); return mlx5_cmd_exec(dev, in, inlen, out, sizeof(out)); } @@ -431,6 +429,8 @@ static int esw_create_legacy_table(struct mlx5_eswitch *esw) { int err; + memset(&esw->fdb_table.legacy, 0, sizeof(struct legacy_fdb)); + err = esw_create_legacy_vepa_table(esw); if (err) return err; @@ -2157,6 +2157,7 @@ static int _mlx5_eswitch_set_vepa_locked(struct mlx5_eswitch *esw, /* Star rule to forward all traffic to uplink vport */ memset(spec, 0, sizeof(*spec)); + memset(&dest, 0, sizeof(dest)); dest.type = MLX5_FLOW_DESTINATION_TYPE_VPORT; dest.vport.num = MLX5_VPORT_UPLINK; flow_act.action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c index f2260391be5b..9b2d78ee22b8 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c @@ -1611,6 +1611,7 @@ static int esw_offloads_steering_init(struct mlx5_eswitch *esw, int nvports) { int err; + memset(&esw->fdb_table.offloads, 0, sizeof(struct offloads_fdb)); mutex_init(&esw->fdb_table.offloads.fdb_prio_lock); err = esw_create_offloads_fdb_tables(esw, nvports); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fpga/tls.c b/drivers/net/ethernet/mellanox/mlx5/core/fpga/tls.c index 5cf5f2a9d51f..22a2ef111514 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/fpga/tls.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/fpga/tls.c @@ -148,14 +148,16 @@ static int mlx5_fpga_tls_alloc_swid(struct idr *idr, spinlock_t *idr_spinlock, return ret; } -static void mlx5_fpga_tls_release_swid(struct idr *idr, - spinlock_t *idr_spinlock, u32 swid) +static void *mlx5_fpga_tls_release_swid(struct idr *idr, + spinlock_t *idr_spinlock, u32 swid) { unsigned long flags; + void *ptr; spin_lock_irqsave(idr_spinlock, flags); - idr_remove(idr, swid); + ptr = idr_remove(idr, swid); spin_unlock_irqrestore(idr_spinlock, flags); + return ptr; } static void mlx_tls_kfree_complete(struct mlx5_fpga_conn *conn, @@ -165,20 +167,12 @@ static void mlx_tls_kfree_complete(struct mlx5_fpga_conn *conn, kfree(buf); } -struct mlx5_teardown_stream_context { - struct mlx5_fpga_tls_command_context cmd; - u32 swid; -}; - static void mlx5_fpga_tls_teardown_completion(struct mlx5_fpga_conn *conn, struct mlx5_fpga_device *fdev, struct mlx5_fpga_tls_command_context *cmd, struct mlx5_fpga_dma_buf *resp) { - struct mlx5_teardown_stream_context *ctx = - container_of(cmd, struct mlx5_teardown_stream_context, cmd); - if (resp) { u32 syndrome = MLX5_GET(tls_resp, resp->sg[0].data, syndrome); @@ -186,14 +180,6 @@ mlx5_fpga_tls_teardown_completion(struct mlx5_fpga_conn *conn, mlx5_fpga_err(fdev, "Teardown stream failed with syndrome = %d", syndrome); - else if (MLX5_GET(tls_cmd, cmd->buf.sg[0].data, direction_sx)) - mlx5_fpga_tls_release_swid(&fdev->tls->tx_idr, - &fdev->tls->tx_idr_spinlock, - ctx->swid); - else - mlx5_fpga_tls_release_swid(&fdev->tls->rx_idr, - &fdev->tls->rx_idr_spinlock, - ctx->swid); } mlx5_fpga_tls_put_command_ctx(cmd); } @@ -225,8 +211,14 @@ int mlx5_fpga_tls_resync_rx(struct mlx5_core_dev *mdev, u32 handle, u32 seq, rcu_read_lock(); flow = idr_find(&mdev->fpga->tls->rx_idr, ntohl(handle)); - rcu_read_unlock(); + if (unlikely(!flow)) { + rcu_read_unlock(); + WARN_ONCE(1, "Received NULL pointer for handle\n"); + kfree(buf); + return -EINVAL; + } mlx5_fpga_tls_flow_to_cmd(flow, cmd); + rcu_read_unlock(); MLX5_SET(tls_cmd, cmd, swid, ntohl(handle)); MLX5_SET64(tls_cmd, cmd, tls_rcd_sn, be64_to_cpu(rcd_sn)); @@ -238,6 +230,8 @@ int mlx5_fpga_tls_resync_rx(struct mlx5_core_dev *mdev, u32 handle, u32 seq, buf->complete = mlx_tls_kfree_complete; ret = mlx5_fpga_sbu_conn_sendmsg(mdev->fpga->tls->conn, buf); + if (ret < 0) + kfree(buf); return ret; } @@ -245,7 +239,7 @@ int mlx5_fpga_tls_resync_rx(struct mlx5_core_dev *mdev, u32 handle, u32 seq, static void mlx5_fpga_tls_send_teardown_cmd(struct mlx5_core_dev *mdev, void *flow, u32 swid, gfp_t flags) { - struct mlx5_teardown_stream_context *ctx; + struct mlx5_fpga_tls_command_context *ctx; struct mlx5_fpga_dma_buf *buf; void *cmd; @@ -253,7 +247,7 @@ static void mlx5_fpga_tls_send_teardown_cmd(struct mlx5_core_dev *mdev, if (!ctx) return; - buf = &ctx->cmd.buf; + buf = &ctx->buf; cmd = (ctx + 1); MLX5_SET(tls_cmd, cmd, command_type, CMD_TEARDOWN_STREAM); MLX5_SET(tls_cmd, cmd, swid, swid); @@ -264,8 +258,7 @@ static void mlx5_fpga_tls_send_teardown_cmd(struct mlx5_core_dev *mdev, buf->sg[0].data = cmd; buf->sg[0].size = MLX5_TLS_COMMAND_SIZE; - ctx->swid = swid; - mlx5_fpga_tls_cmd_send(mdev->fpga, &ctx->cmd, + mlx5_fpga_tls_cmd_send(mdev->fpga, ctx, mlx5_fpga_tls_teardown_completion); } @@ -275,13 +268,14 @@ void mlx5_fpga_tls_del_flow(struct mlx5_core_dev *mdev, u32 swid, struct mlx5_fpga_tls *tls = mdev->fpga->tls; void *flow; - rcu_read_lock(); if (direction_sx) - flow = idr_find(&tls->tx_idr, swid); + flow = mlx5_fpga_tls_release_swid(&tls->tx_idr, + &tls->tx_idr_spinlock, + swid); else - flow = idr_find(&tls->rx_idr, swid); - - rcu_read_unlock(); + flow = mlx5_fpga_tls_release_swid(&tls->rx_idr, + &tls->rx_idr_spinlock, + swid); if (!flow) { mlx5_fpga_err(mdev->fpga, "No flow information for swid %u\n", @@ -289,6 +283,7 @@ void mlx5_fpga_tls_del_flow(struct mlx5_core_dev *mdev, u32 swid, return; } + synchronize_rcu(); /* before kfree(flow) */ mlx5_fpga_tls_send_teardown_cmd(mdev, flow, swid, flags); } diff --git a/drivers/net/ethernet/mellanox/mlx5/core/main.c b/drivers/net/ethernet/mellanox/mlx5/core/main.c index 70cc906a102b..76716419370d 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/main.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/main.c @@ -164,26 +164,6 @@ static struct mlx5_profile profile[] = { .size = 8, .limit = 4 }, - .mr_cache[16] = { - .size = 8, - .limit = 4 - }, - .mr_cache[17] = { - .size = 8, - .limit = 4 - }, - .mr_cache[18] = { - .size = 8, - .limit = 4 - }, - .mr_cache[19] = { - .size = 4, - .limit = 2 - }, - .mr_cache[20] = { - .size = 4, - .limit = 2 - }, }, }; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/port.c b/drivers/net/ethernet/mellanox/mlx5/core/port.c index 21b7f05b16a5..361468e0435d 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/port.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/port.c @@ -317,10 +317,6 @@ int mlx5_query_module_eeprom(struct mlx5_core_dev *dev, size -= offset + size - MLX5_EEPROM_PAGE_LENGTH; i2c_addr = MLX5_I2C_ADDR_LOW; - if (offset >= MLX5_EEPROM_PAGE_LENGTH) { - i2c_addr = MLX5_I2C_ADDR_HIGH; - offset -= MLX5_EEPROM_PAGE_LENGTH; - } MLX5_SET(mcia_reg, in, l, 0); MLX5_SET(mcia_reg, in, module, module_num); diff --git a/drivers/net/ethernet/mellanox/mlxsw/core.c b/drivers/net/ethernet/mellanox/mlxsw/core.c index d23d53c0e284..f26a4ca29363 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/core.c +++ b/drivers/net/ethernet/mellanox/mlxsw/core.c @@ -568,7 +568,7 @@ static int mlxsw_emad_init(struct mlxsw_core *mlxsw_core) if (!(mlxsw_core->bus->features & MLXSW_BUS_F_TXRX)) return 0; - emad_wq = alloc_workqueue("mlxsw_core_emad", WQ_MEM_RECLAIM, 0); + emad_wq = alloc_workqueue("mlxsw_core_emad", 0, 0); if (!emad_wq) return -ENOMEM; mlxsw_core->emad_wq = emad_wq; @@ -1958,10 +1958,10 @@ static int __init mlxsw_core_module_init(void) { int err; - mlxsw_wq = alloc_workqueue(mlxsw_core_driver_name, WQ_MEM_RECLAIM, 0); + mlxsw_wq = alloc_workqueue(mlxsw_core_driver_name, 0, 0); if (!mlxsw_wq) return -ENOMEM; - mlxsw_owq = alloc_ordered_workqueue("%s_ordered", WQ_MEM_RECLAIM, + mlxsw_owq = alloc_ordered_workqueue("%s_ordered", 0, mlxsw_core_driver_name); if (!mlxsw_owq) { err = -ENOMEM; diff --git a/drivers/net/ethernet/mellanox/mlxsw/pci_hw.h b/drivers/net/ethernet/mellanox/mlxsw/pci_hw.h index ffee38e36ce8..8648ca171254 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/pci_hw.h +++ b/drivers/net/ethernet/mellanox/mlxsw/pci_hw.h @@ -27,7 +27,7 @@ #define MLXSW_PCI_SW_RESET 0xF0010 #define MLXSW_PCI_SW_RESET_RST_BIT BIT(0) -#define MLXSW_PCI_SW_RESET_TIMEOUT_MSECS 13000 +#define MLXSW_PCI_SW_RESET_TIMEOUT_MSECS 20000 #define MLXSW_PCI_SW_RESET_WAIT_MSECS 100 #define MLXSW_PCI_FW_READY 0xA1844 #define MLXSW_PCI_FW_READY_MASK 0xFFFF diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c index 9eb63300c1d3..6b8aa3761899 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c @@ -3126,11 +3126,11 @@ mlxsw_sp_port_set_link_ksettings(struct net_device *dev, if (err) return err; + mlxsw_sp_port->link.autoneg = autoneg; + if (!netif_running(dev)) return 0; - mlxsw_sp_port->link.autoneg = autoneg; - mlxsw_sp_port_admin_status_set(mlxsw_sp_port, false); mlxsw_sp_port_admin_status_set(mlxsw_sp_port, true); @@ -3316,7 +3316,7 @@ static int mlxsw_sp_port_ets_init(struct mlxsw_sp_port *mlxsw_sp_port) err = mlxsw_sp_port_ets_set(mlxsw_sp_port, MLXSW_REG_QEEC_HIERARCY_TC, i + 8, i, - false, 0); + true, 100); if (err) return err; } diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_buffers.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_buffers.c index 9a79b5e11597..d633bef5f105 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_buffers.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_buffers.c @@ -70,6 +70,7 @@ static const struct mlxsw_sp_sb_pool_des mlxsw_sp2_sb_pool_dess[] = { {MLXSW_REG_SBXX_DIR_EGRESS, 1}, {MLXSW_REG_SBXX_DIR_EGRESS, 2}, {MLXSW_REG_SBXX_DIR_EGRESS, 3}, + {MLXSW_REG_SBXX_DIR_EGRESS, 15}, }; #define MLXSW_SP_SB_ING_TC_COUNT 8 @@ -428,6 +429,7 @@ static const struct mlxsw_sp_sb_pr mlxsw_sp2_sb_prs[] = { MLXSW_SP_SB_PR(MLXSW_REG_SBPR_MODE_STATIC, 0), MLXSW_SP_SB_PR(MLXSW_REG_SBPR_MODE_STATIC, 0), MLXSW_SP_SB_PR(MLXSW_REG_SBPR_MODE_STATIC, 0), + MLXSW_SP_SB_PR(MLXSW_REG_SBPR_MODE_STATIC, MLXSW_SP_SB_INFI), }; static int mlxsw_sp_sb_prs_init(struct mlxsw_sp *mlxsw_sp, @@ -517,14 +519,14 @@ static const struct mlxsw_sp_sb_cm mlxsw_sp2_sb_cms_egress[] = { MLXSW_SP_SB_CM(0, 7, 4), MLXSW_SP_SB_CM(0, 7, 4), MLXSW_SP_SB_CM(0, 7, 4), - MLXSW_SP_SB_CM(0, 7, 4), - MLXSW_SP_SB_CM(0, 7, 4), - MLXSW_SP_SB_CM(0, 7, 4), - MLXSW_SP_SB_CM(0, 7, 4), - MLXSW_SP_SB_CM(0, 7, 4), - MLXSW_SP_SB_CM(0, 7, 4), - MLXSW_SP_SB_CM(0, 7, 4), - MLXSW_SP_SB_CM(0, 7, 4), + MLXSW_SP_SB_CM(0, MLXSW_SP_SB_INFI, 8), + MLXSW_SP_SB_CM(0, MLXSW_SP_SB_INFI, 8), + MLXSW_SP_SB_CM(0, MLXSW_SP_SB_INFI, 8), + MLXSW_SP_SB_CM(0, MLXSW_SP_SB_INFI, 8), + MLXSW_SP_SB_CM(0, MLXSW_SP_SB_INFI, 8), + MLXSW_SP_SB_CM(0, MLXSW_SP_SB_INFI, 8), + MLXSW_SP_SB_CM(0, MLXSW_SP_SB_INFI, 8), + MLXSW_SP_SB_CM(0, MLXSW_SP_SB_INFI, 8), MLXSW_SP_SB_CM(1, 0xff, 4), }; @@ -671,6 +673,7 @@ static const struct mlxsw_sp_sb_pm mlxsw_sp2_sb_pms[] = { MLXSW_SP_SB_PM(0, 0), MLXSW_SP_SB_PM(0, 0), MLXSW_SP_SB_PM(0, 0), + MLXSW_SP_SB_PM(10000, 90000), }; static int mlxsw_sp_port_sb_pms_init(struct mlxsw_sp_port *mlxsw_sp_port) diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c index 52fed8c7bf1e..902e766a8ed3 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c @@ -6781,7 +6781,7 @@ static int mlxsw_sp_router_port_check_rif_addr(struct mlxsw_sp *mlxsw_sp, /* A RIF is not created for macvlan netdevs. Their MAC is used to * populate the FDB */ - if (netif_is_macvlan(dev)) + if (netif_is_macvlan(dev) || netif_is_l3_master(dev)) return 0; for (i = 0; i < MLXSW_CORE_RES_GET(mlxsw_sp->core, MAX_RIFS); i++) { diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c index f6ce386c3036..50111f228d77 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c @@ -1630,7 +1630,7 @@ static int mlxsw_sp_port_mdb_add(struct mlxsw_sp_port *mlxsw_sp_port, u16 fid_index; int err = 0; - if (switchdev_trans_ph_prepare(trans)) + if (switchdev_trans_ph_commit(trans)) return 0; bridge_port = mlxsw_sp_bridge_port_find(mlxsw_sp->bridge, orig_dev); diff --git a/drivers/net/ethernet/mscc/ocelot.c b/drivers/net/ethernet/mscc/ocelot.c index a1d0d6e42533..d715ef4fc92f 100644 --- a/drivers/net/ethernet/mscc/ocelot.c +++ b/drivers/net/ethernet/mscc/ocelot.c @@ -613,7 +613,7 @@ static int ocelot_mact_mc_add(struct ocelot_port *port, struct netdev_hw_addr *hw_addr) { struct ocelot *ocelot = port->ocelot; - struct netdev_hw_addr *ha = kzalloc(sizeof(*ha), GFP_KERNEL); + struct netdev_hw_addr *ha = kzalloc(sizeof(*ha), GFP_ATOMIC); if (!ha) return -ENOMEM; @@ -959,10 +959,8 @@ static void ocelot_get_strings(struct net_device *netdev, u32 sset, u8 *data) ETH_GSTRING_LEN); } -static void ocelot_check_stats(struct work_struct *work) +static void ocelot_update_stats(struct ocelot *ocelot) { - struct delayed_work *del_work = to_delayed_work(work); - struct ocelot *ocelot = container_of(del_work, struct ocelot, stats_work); int i, j; mutex_lock(&ocelot->stats_lock); @@ -986,11 +984,19 @@ static void ocelot_check_stats(struct work_struct *work) } } - cancel_delayed_work(&ocelot->stats_work); + mutex_unlock(&ocelot->stats_lock); +} + +static void ocelot_check_stats_work(struct work_struct *work) +{ + struct delayed_work *del_work = to_delayed_work(work); + struct ocelot *ocelot = container_of(del_work, struct ocelot, + stats_work); + + ocelot_update_stats(ocelot); + queue_delayed_work(ocelot->stats_queue, &ocelot->stats_work, OCELOT_STATS_CHECK_DELAY); - - mutex_unlock(&ocelot->stats_lock); } static void ocelot_get_ethtool_stats(struct net_device *dev, @@ -1001,7 +1007,7 @@ static void ocelot_get_ethtool_stats(struct net_device *dev, int i; /* check and update now */ - ocelot_check_stats(&ocelot->stats_work.work); + ocelot_update_stats(ocelot); /* Copy all counters */ for (i = 0; i < ocelot->num_stats; i++) @@ -1809,7 +1815,7 @@ int ocelot_init(struct ocelot *ocelot) ANA_CPUQ_8021_CFG_CPUQ_BPDU_VAL(6), ANA_CPUQ_8021_CFG, i); - INIT_DELAYED_WORK(&ocelot->stats_work, ocelot_check_stats); + INIT_DELAYED_WORK(&ocelot->stats_work, ocelot_check_stats_work); queue_delayed_work(ocelot->stats_queue, &ocelot->stats_work, OCELOT_STATS_CHECK_DELAY); return 0; diff --git a/drivers/net/ethernet/myricom/myri10ge/myri10ge.c b/drivers/net/ethernet/myricom/myri10ge/myri10ge.c index e0340f778d8f..d8b7fba96d58 100644 --- a/drivers/net/ethernet/myricom/myri10ge/myri10ge.c +++ b/drivers/net/ethernet/myricom/myri10ge/myri10ge.c @@ -1439,7 +1439,6 @@ myri10ge_tx_done(struct myri10ge_slice_state *ss, int mcp_index) tx->queue_active = 0; put_be32(htonl(1), tx->send_stop); mb(); - mmiowb(); } __netif_tx_unlock(dev_queue); } @@ -2861,7 +2860,6 @@ again: tx->queue_active = 1; put_be32(htonl(1), tx->send_go); mb(); - mmiowb(); } tx->pkt_start++; if ((avail - count) < MXGEFW_MAX_SEND_DESC) { diff --git a/drivers/net/ethernet/neterion/s2io.c b/drivers/net/ethernet/neterion/s2io.c index feda9644289d..3b2ae1a21678 100644 --- a/drivers/net/ethernet/neterion/s2io.c +++ b/drivers/net/ethernet/neterion/s2io.c @@ -4153,8 +4153,6 @@ static netdev_tx_t s2io_xmit(struct sk_buff *skb, struct net_device *dev) writeq(val64, &tx_fifo->List_Control); - mmiowb(); - put_off++; if (put_off == fifo->tx_curr_put_info.fifo_len + 1) put_off = 0; diff --git a/drivers/net/ethernet/neterion/vxge/vxge-config.c b/drivers/net/ethernet/neterion/vxge/vxge-config.c index 7cde387e5ec6..51cd57ab3d95 100644 --- a/drivers/net/ethernet/neterion/vxge/vxge-config.c +++ b/drivers/net/ethernet/neterion/vxge/vxge-config.c @@ -2366,6 +2366,7 @@ static void *__vxge_hw_blockpool_malloc(struct __vxge_hw_device *devh, u32 size, dma_object->addr))) { vxge_os_dma_free(devh->pdev, memblock, &dma_object->acc_handle); + memblock = NULL; goto exit; } diff --git a/drivers/net/ethernet/neterion/vxge/vxge-main.c b/drivers/net/ethernet/neterion/vxge/vxge-main.c index b877acec5cde..1d334f2e0a56 100644 --- a/drivers/net/ethernet/neterion/vxge/vxge-main.c +++ b/drivers/net/ethernet/neterion/vxge/vxge-main.c @@ -1826,7 +1826,6 @@ static int vxge_poll_msix(struct napi_struct *napi, int budget) vxge_hw_channel_msix_unmask( (struct __vxge_hw_channel *)ring->handle, ring->rx_vector_no); - mmiowb(); } /* We are copying and returning the local variable, in case if after @@ -2234,8 +2233,6 @@ static irqreturn_t vxge_tx_msix_handle(int irq, void *dev_id) vxge_hw_channel_msix_unmask((struct __vxge_hw_channel *)fifo->handle, fifo->tx_vector_no); - mmiowb(); - return IRQ_HANDLED; } @@ -2272,14 +2269,12 @@ vxge_alarm_msix_handle(int irq, void *dev_id) */ vxge_hw_vpath_msix_mask(vdev->vpaths[i].handle, msix_id); vxge_hw_vpath_msix_clear(vdev->vpaths[i].handle, msix_id); - mmiowb(); status = vxge_hw_vpath_alarm_process(vdev->vpaths[i].handle, vdev->exec_mode); if (status == VXGE_HW_OK) { vxge_hw_vpath_msix_unmask(vdev->vpaths[i].handle, msix_id); - mmiowb(); continue; } vxge_debug_intr(VXGE_ERR, diff --git a/drivers/net/ethernet/neterion/vxge/vxge-traffic.c b/drivers/net/ethernet/neterion/vxge/vxge-traffic.c index 59e77e3086bb..709d20d9938f 100644 --- a/drivers/net/ethernet/neterion/vxge/vxge-traffic.c +++ b/drivers/net/ethernet/neterion/vxge/vxge-traffic.c @@ -1399,11 +1399,7 @@ static void __vxge_hw_non_offload_db_post(struct __vxge_hw_fifo *fifo, VXGE_HW_NODBW_GET_NO_SNOOP(no_snoop), &fifo->nofl_db->control_0); - mmiowb(); - writeq(txdl_ptr, &fifo->nofl_db->txdl_ptr); - - mmiowb(); } /** diff --git a/drivers/net/ethernet/netronome/nfp/abm/cls.c b/drivers/net/ethernet/netronome/nfp/abm/cls.c index 9852080cf454..ff3913085665 100644 --- a/drivers/net/ethernet/netronome/nfp/abm/cls.c +++ b/drivers/net/ethernet/netronome/nfp/abm/cls.c @@ -39,7 +39,7 @@ nfp_abm_u32_check_knode(struct nfp_abm *abm, struct tc_cls_u32_knode *knode, } if (knode->sel->off || knode->sel->offshift || knode->sel->offmask || knode->sel->offoff || knode->fshift) { - NL_SET_ERR_MSG_MOD(extack, "variable offseting not supported"); + NL_SET_ERR_MSG_MOD(extack, "variable offsetting not supported"); return false; } if (knode->sel->hoff || knode->sel->hmask) { @@ -78,7 +78,7 @@ nfp_abm_u32_check_knode(struct nfp_abm *abm, struct tc_cls_u32_knode *knode, k = &knode->sel->keys[0]; if (k->offmask) { - NL_SET_ERR_MSG_MOD(extack, "offset mask - variable offseting not supported"); + NL_SET_ERR_MSG_MOD(extack, "offset mask - variable offsetting not supported"); return false; } if (k->off) { diff --git a/drivers/net/ethernet/netronome/nfp/flower/action.c b/drivers/net/ethernet/netronome/nfp/flower/action.c index eeda4ed98333..e336f6ee94f5 100644 --- a/drivers/net/ethernet/netronome/nfp/flower/action.c +++ b/drivers/net/ethernet/netronome/nfp/flower/action.c @@ -48,8 +48,7 @@ nfp_fl_push_vlan(struct nfp_fl_push_vlan *push_vlan, tmp_push_vlan_tci = FIELD_PREP(NFP_FL_PUSH_VLAN_PRIO, act->vlan.prio) | - FIELD_PREP(NFP_FL_PUSH_VLAN_VID, act->vlan.vid) | - NFP_FL_PUSH_VLAN_CFI; + FIELD_PREP(NFP_FL_PUSH_VLAN_VID, act->vlan.vid); push_vlan->vlan_tci = cpu_to_be16(tmp_push_vlan_tci); } diff --git a/drivers/net/ethernet/netronome/nfp/flower/cmsg.h b/drivers/net/ethernet/netronome/nfp/flower/cmsg.h index 4fcaf11ed56e..0ed51e79db00 100644 --- a/drivers/net/ethernet/netronome/nfp/flower/cmsg.h +++ b/drivers/net/ethernet/netronome/nfp/flower/cmsg.h @@ -26,7 +26,7 @@ #define NFP_FLOWER_LAYER2_GENEVE_OP BIT(6) #define NFP_FLOWER_MASK_VLAN_PRIO GENMASK(15, 13) -#define NFP_FLOWER_MASK_VLAN_CFI BIT(12) +#define NFP_FLOWER_MASK_VLAN_PRESENT BIT(12) #define NFP_FLOWER_MASK_VLAN_VID GENMASK(11, 0) #define NFP_FLOWER_MASK_MPLS_LB GENMASK(31, 12) @@ -82,7 +82,6 @@ #define NFP_FL_OUT_FLAGS_TYPE_IDX GENMASK(2, 0) #define NFP_FL_PUSH_VLAN_PRIO GENMASK(15, 13) -#define NFP_FL_PUSH_VLAN_CFI BIT(12) #define NFP_FL_PUSH_VLAN_VID GENMASK(11, 0) #define IPV6_FLOW_LABEL_MASK cpu_to_be32(0x000fffff) diff --git a/drivers/net/ethernet/netronome/nfp/flower/match.c b/drivers/net/ethernet/netronome/nfp/flower/match.c index e03c8ef2c28c..9b8b843d0340 100644 --- a/drivers/net/ethernet/netronome/nfp/flower/match.c +++ b/drivers/net/ethernet/netronome/nfp/flower/match.c @@ -30,20 +30,19 @@ nfp_flower_compile_meta_tci(struct nfp_flower_meta_tci *ext, flow_rule_match_vlan(rule, &match); /* Populate the tci field. */ - if (match.key->vlan_id || match.key->vlan_priority) { - tmp_tci = FIELD_PREP(NFP_FLOWER_MASK_VLAN_PRIO, - match.key->vlan_priority) | - FIELD_PREP(NFP_FLOWER_MASK_VLAN_VID, - match.key->vlan_id) | - NFP_FLOWER_MASK_VLAN_CFI; - ext->tci = cpu_to_be16(tmp_tci); - tmp_tci = FIELD_PREP(NFP_FLOWER_MASK_VLAN_PRIO, - match.mask->vlan_priority) | - FIELD_PREP(NFP_FLOWER_MASK_VLAN_VID, - match.mask->vlan_id) | - NFP_FLOWER_MASK_VLAN_CFI; - msk->tci = cpu_to_be16(tmp_tci); - } + tmp_tci = NFP_FLOWER_MASK_VLAN_PRESENT; + tmp_tci |= FIELD_PREP(NFP_FLOWER_MASK_VLAN_PRIO, + match.key->vlan_priority) | + FIELD_PREP(NFP_FLOWER_MASK_VLAN_VID, + match.key->vlan_id); + ext->tci = cpu_to_be16(tmp_tci); + + tmp_tci = NFP_FLOWER_MASK_VLAN_PRESENT; + tmp_tci |= FIELD_PREP(NFP_FLOWER_MASK_VLAN_PRIO, + match.mask->vlan_priority) | + FIELD_PREP(NFP_FLOWER_MASK_VLAN_VID, + match.mask->vlan_id); + msk->tci = cpu_to_be16(tmp_tci); } } diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net_repr.c b/drivers/net/ethernet/netronome/nfp/nfp_net_repr.c index d2c803bb4e56..94d228c04496 100644 --- a/drivers/net/ethernet/netronome/nfp/nfp_net_repr.c +++ b/drivers/net/ethernet/netronome/nfp/nfp_net_repr.c @@ -195,7 +195,7 @@ static netdev_tx_t nfp_repr_xmit(struct sk_buff *skb, struct net_device *netdev) ret = dev_queue_xmit(skb); nfp_repr_inc_tx_stats(netdev, len, ret); - return ret; + return NETDEV_TX_OK; } static int nfp_repr_stop(struct net_device *netdev) @@ -383,7 +383,7 @@ int nfp_repr_init(struct nfp_app *app, struct net_device *netdev, netdev->features &= ~(NETIF_F_TSO | NETIF_F_TSO6); netdev->gso_max_segs = NFP_NET_LSO_MAX_SEGS; - netdev->priv_flags |= IFF_NO_QUEUE; + netdev->priv_flags |= IFF_NO_QUEUE | IFF_DISABLE_NETPOLL; netdev->features |= NETIF_F_LLTX; if (nfp_app_has_tc(app)) { diff --git a/drivers/net/ethernet/qlogic/qed/qed.h b/drivers/net/ethernet/qlogic/qed/qed.h index 43a57ec296fd..127c89b22ef0 100644 --- a/drivers/net/ethernet/qlogic/qed/qed.h +++ b/drivers/net/ethernet/qlogic/qed/qed.h @@ -431,12 +431,16 @@ struct qed_qm_info { u8 num_pf_rls; }; +#define QED_OVERFLOW_BIT 1 + struct qed_db_recovery_info { struct list_head list; /* Lock to protect the doorbell recovery mechanism list */ spinlock_t lock; + bool dorq_attn; u32 db_recovery_counter; + unsigned long overflow; }; struct storm_stats { @@ -920,8 +924,7 @@ u16 qed_get_cm_pq_idx_llt_mtc(struct qed_hwfn *p_hwfn, u8 tc); /* doorbell recovery mechanism */ void qed_db_recovery_dp(struct qed_hwfn *p_hwfn); -void qed_db_recovery_execute(struct qed_hwfn *p_hwfn, - enum qed_db_rec_exec db_exec); +void qed_db_recovery_execute(struct qed_hwfn *p_hwfn); bool qed_edpm_enabled(struct qed_hwfn *p_hwfn); /* Other Linux specific common definitions */ diff --git a/drivers/net/ethernet/qlogic/qed/qed_dev.c b/drivers/net/ethernet/qlogic/qed/qed_dev.c index 9df8c4b3b54e..866cdc86a3f2 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_dev.c +++ b/drivers/net/ethernet/qlogic/qed/qed_dev.c @@ -102,11 +102,15 @@ static void qed_db_recovery_dp_entry(struct qed_hwfn *p_hwfn, /* Doorbell address sanity (address within doorbell bar range) */ static bool qed_db_rec_sanity(struct qed_dev *cdev, - void __iomem *db_addr, void *db_data) + void __iomem *db_addr, + enum qed_db_rec_width db_width, + void *db_data) { + u32 width = (db_width == DB_REC_WIDTH_32B) ? 32 : 64; + /* Make sure doorbell address is within the doorbell bar */ if (db_addr < cdev->doorbells || - (u8 __iomem *)db_addr > + (u8 __iomem *)db_addr + width > (u8 __iomem *)cdev->doorbells + cdev->db_size) { WARN(true, "Illegal doorbell address: %p. Legal range for doorbell addresses is [%p..%p]\n", @@ -159,7 +163,7 @@ int qed_db_recovery_add(struct qed_dev *cdev, } /* Sanitize doorbell address */ - if (!qed_db_rec_sanity(cdev, db_addr, db_data)) + if (!qed_db_rec_sanity(cdev, db_addr, db_width, db_data)) return -EINVAL; /* Obtain hwfn from doorbell address */ @@ -205,10 +209,6 @@ int qed_db_recovery_del(struct qed_dev *cdev, return 0; } - /* Sanitize doorbell address */ - if (!qed_db_rec_sanity(cdev, db_addr, db_data)) - return -EINVAL; - /* Obtain hwfn from doorbell address */ p_hwfn = qed_db_rec_find_hwfn(cdev, db_addr); @@ -300,31 +300,24 @@ void qed_db_recovery_dp(struct qed_hwfn *p_hwfn) /* Ring the doorbell of a single doorbell recovery entry */ static void qed_db_recovery_ring(struct qed_hwfn *p_hwfn, - struct qed_db_recovery_entry *db_entry, - enum qed_db_rec_exec db_exec) -{ - if (db_exec != DB_REC_ONCE) { - /* Print according to width */ - if (db_entry->db_width == DB_REC_WIDTH_32B) { - DP_VERBOSE(p_hwfn, QED_MSG_SPQ, - "%s doorbell address %p data %x\n", - db_exec == DB_REC_DRY_RUN ? - "would have rung" : "ringing", - db_entry->db_addr, - *(u32 *)db_entry->db_data); - } else { - DP_VERBOSE(p_hwfn, QED_MSG_SPQ, - "%s doorbell address %p data %llx\n", - db_exec == DB_REC_DRY_RUN ? - "would have rung" : "ringing", - db_entry->db_addr, - *(u64 *)(db_entry->db_data)); - } + struct qed_db_recovery_entry *db_entry) +{ + /* Print according to width */ + if (db_entry->db_width == DB_REC_WIDTH_32B) { + DP_VERBOSE(p_hwfn, QED_MSG_SPQ, + "ringing doorbell address %p data %x\n", + db_entry->db_addr, + *(u32 *)db_entry->db_data); + } else { + DP_VERBOSE(p_hwfn, QED_MSG_SPQ, + "ringing doorbell address %p data %llx\n", + db_entry->db_addr, + *(u64 *)(db_entry->db_data)); } /* Sanity */ if (!qed_db_rec_sanity(p_hwfn->cdev, db_entry->db_addr, - db_entry->db_data)) + db_entry->db_width, db_entry->db_data)) return; /* Flush the write combined buffer. Since there are multiple doorbelling @@ -334,14 +327,12 @@ static void qed_db_recovery_ring(struct qed_hwfn *p_hwfn, wmb(); /* Ring the doorbell */ - if (db_exec == DB_REC_REAL_DEAL || db_exec == DB_REC_ONCE) { - if (db_entry->db_width == DB_REC_WIDTH_32B) - DIRECT_REG_WR(db_entry->db_addr, - *(u32 *)(db_entry->db_data)); - else - DIRECT_REG_WR64(db_entry->db_addr, - *(u64 *)(db_entry->db_data)); - } + if (db_entry->db_width == DB_REC_WIDTH_32B) + DIRECT_REG_WR(db_entry->db_addr, + *(u32 *)(db_entry->db_data)); + else + DIRECT_REG_WR64(db_entry->db_addr, + *(u64 *)(db_entry->db_data)); /* Flush the write combined buffer. Next doorbell may come from a * different entity to the same address... @@ -350,29 +341,21 @@ static void qed_db_recovery_ring(struct qed_hwfn *p_hwfn, } /* Traverse the doorbell recovery entry list and ring all the doorbells */ -void qed_db_recovery_execute(struct qed_hwfn *p_hwfn, - enum qed_db_rec_exec db_exec) +void qed_db_recovery_execute(struct qed_hwfn *p_hwfn) { struct qed_db_recovery_entry *db_entry = NULL; - if (db_exec != DB_REC_ONCE) { - DP_NOTICE(p_hwfn, - "Executing doorbell recovery. Counter was %d\n", - p_hwfn->db_recovery_info.db_recovery_counter); + DP_NOTICE(p_hwfn, "Executing doorbell recovery. Counter was %d\n", + p_hwfn->db_recovery_info.db_recovery_counter); - /* Track amount of times recovery was executed */ - p_hwfn->db_recovery_info.db_recovery_counter++; - } + /* Track amount of times recovery was executed */ + p_hwfn->db_recovery_info.db_recovery_counter++; /* Protect the list */ spin_lock_bh(&p_hwfn->db_recovery_info.lock); list_for_each_entry(db_entry, - &p_hwfn->db_recovery_info.list, list_entry) { - qed_db_recovery_ring(p_hwfn, db_entry, db_exec); - if (db_exec == DB_REC_ONCE) - break; - } - + &p_hwfn->db_recovery_info.list, list_entry) + qed_db_recovery_ring(p_hwfn, db_entry); spin_unlock_bh(&p_hwfn->db_recovery_info.lock); } diff --git a/drivers/net/ethernet/qlogic/qed/qed_int.c b/drivers/net/ethernet/qlogic/qed/qed_int.c index e23980e301b6..fdfedbc8e431 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_int.c +++ b/drivers/net/ethernet/qlogic/qed/qed_int.c @@ -378,6 +378,9 @@ static int qed_db_rec_flush_queue(struct qed_hwfn *p_hwfn, u32 count = QED_DB_REC_COUNT; u32 usage = 1; + /* Flush any pending (e)dpms as they may never arrive */ + qed_wr(p_hwfn, p_ptt, DORQ_REG_DPM_FORCE_ABORT, 0x1); + /* wait for usage to zero or count to run out. This is necessary since * EDPM doorbell transactions can take multiple 64b cycles, and as such * can "split" over the pci. Possibly, the doorbell drop can happen with @@ -406,51 +409,74 @@ static int qed_db_rec_flush_queue(struct qed_hwfn *p_hwfn, int qed_db_rec_handler(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) { - u32 overflow; + u32 attn_ovfl, cur_ovfl; int rc; - overflow = qed_rd(p_hwfn, p_ptt, DORQ_REG_PF_OVFL_STICKY); - DP_NOTICE(p_hwfn, "PF Overflow sticky 0x%x\n", overflow); - if (!overflow) { - qed_db_recovery_execute(p_hwfn, DB_REC_ONCE); + attn_ovfl = test_and_clear_bit(QED_OVERFLOW_BIT, + &p_hwfn->db_recovery_info.overflow); + cur_ovfl = qed_rd(p_hwfn, p_ptt, DORQ_REG_PF_OVFL_STICKY); + if (!cur_ovfl && !attn_ovfl) return 0; - } - if (qed_edpm_enabled(p_hwfn)) { + DP_NOTICE(p_hwfn, "PF Overflow sticky: attn %u current %u\n", + attn_ovfl, cur_ovfl); + + if (cur_ovfl && !p_hwfn->db_bar_no_edpm) { rc = qed_db_rec_flush_queue(p_hwfn, p_ptt); if (rc) return rc; } - /* Flush any pending (e)dpm as they may never arrive */ - qed_wr(p_hwfn, p_ptt, DORQ_REG_DPM_FORCE_ABORT, 0x1); - /* Release overflow sticky indication (stop silently dropping everything) */ qed_wr(p_hwfn, p_ptt, DORQ_REG_PF_OVFL_STICKY, 0x0); /* Repeat all last doorbells (doorbell drop recovery) */ - qed_db_recovery_execute(p_hwfn, DB_REC_REAL_DEAL); + qed_db_recovery_execute(p_hwfn); return 0; } -static int qed_dorq_attn_cb(struct qed_hwfn *p_hwfn) +static void qed_dorq_attn_overflow(struct qed_hwfn *p_hwfn) { - u32 int_sts, first_drop_reason, details, address, all_drops_reason; struct qed_ptt *p_ptt = p_hwfn->p_dpc_ptt; + u32 overflow; int rc; - int_sts = qed_rd(p_hwfn, p_ptt, DORQ_REG_INT_STS); - DP_NOTICE(p_hwfn->cdev, "DORQ attention. int_sts was %x\n", int_sts); + overflow = qed_rd(p_hwfn, p_ptt, DORQ_REG_PF_OVFL_STICKY); + if (!overflow) + goto out; + + /* Run PF doorbell recovery in next periodic handler */ + set_bit(QED_OVERFLOW_BIT, &p_hwfn->db_recovery_info.overflow); + + if (!p_hwfn->db_bar_no_edpm) { + rc = qed_db_rec_flush_queue(p_hwfn, p_ptt); + if (rc) + goto out; + } + + qed_wr(p_hwfn, p_ptt, DORQ_REG_PF_OVFL_STICKY, 0x0); +out: + /* Schedule the handler even if overflow was not detected */ + qed_periodic_db_rec_start(p_hwfn); +} + +static int qed_dorq_attn_int_sts(struct qed_hwfn *p_hwfn) +{ + u32 int_sts, first_drop_reason, details, address, all_drops_reason; + struct qed_ptt *p_ptt = p_hwfn->p_dpc_ptt; /* int_sts may be zero since all PFs were interrupted for doorbell * overflow but another one already handled it. Can abort here. If * This PF also requires overflow recovery we will be interrupted again. * The masked almost full indication may also be set. Ignoring. */ + int_sts = qed_rd(p_hwfn, p_ptt, DORQ_REG_INT_STS); if (!(int_sts & ~DORQ_REG_INT_STS_DORQ_FIFO_AFULL)) return 0; + DP_NOTICE(p_hwfn->cdev, "DORQ attention. int_sts was %x\n", int_sts); + /* check if db_drop or overflow happened */ if (int_sts & (DORQ_REG_INT_STS_DB_DROP | DORQ_REG_INT_STS_DORQ_FIFO_OVFL_ERR)) { @@ -477,11 +503,6 @@ static int qed_dorq_attn_cb(struct qed_hwfn *p_hwfn) GET_FIELD(details, QED_DORQ_ATTENTION_SIZE) * 4, first_drop_reason, all_drops_reason); - rc = qed_db_rec_handler(p_hwfn, p_ptt); - qed_periodic_db_rec_start(p_hwfn); - if (rc) - return rc; - /* Clear the doorbell drop details and prepare for next drop */ qed_wr(p_hwfn, p_ptt, DORQ_REG_DB_DROP_DETAILS_REL, 0); @@ -507,6 +528,25 @@ static int qed_dorq_attn_cb(struct qed_hwfn *p_hwfn) return -EINVAL; } +static int qed_dorq_attn_cb(struct qed_hwfn *p_hwfn) +{ + p_hwfn->db_recovery_info.dorq_attn = true; + qed_dorq_attn_overflow(p_hwfn); + + return qed_dorq_attn_int_sts(p_hwfn); +} + +static void qed_dorq_attn_handler(struct qed_hwfn *p_hwfn) +{ + if (p_hwfn->db_recovery_info.dorq_attn) + goto out; + + /* Call DORQ callback if the attention was missed */ + qed_dorq_attn_cb(p_hwfn); +out: + p_hwfn->db_recovery_info.dorq_attn = false; +} + /* Instead of major changes to the data-structure, we have a some 'special' * identifiers for sources that changed meaning between adapters. */ @@ -774,18 +814,12 @@ static inline u16 qed_attn_update_idx(struct qed_hwfn *p_hwfn, { u16 rc = 0, index; - /* Make certain HW write took affect */ - mmiowb(); - index = le16_to_cpu(p_sb_desc->sb_attn->sb_index); if (p_sb_desc->index != index) { p_sb_desc->index = index; rc = QED_SB_ATT_IDX; } - /* Make certain we got a consistent view with HW */ - mmiowb(); - return rc; } @@ -1080,6 +1114,9 @@ static int qed_int_deassertion(struct qed_hwfn *p_hwfn, } } + /* Handle missed DORQ attention */ + qed_dorq_attn_handler(p_hwfn); + /* Clear IGU indication for the deasserted bits */ DIRECT_REG_WR((u8 __iomem *)p_hwfn->regview + GTT_BAR0_MAP_REG_IGU_CMD + @@ -1170,7 +1207,6 @@ static void qed_sb_ack_attn(struct qed_hwfn *p_hwfn, /* Both segments (interrupts & acks) are written to same place address; * Need to guarantee all commands will be received (in-order) by HW. */ - mmiowb(); barrier(); } @@ -1805,9 +1841,6 @@ static void qed_int_igu_enable_attn(struct qed_hwfn *p_hwfn, qed_wr(p_hwfn, p_ptt, IGU_REG_TRAILING_EDGE_LATCH, 0xfff); qed_wr(p_hwfn, p_ptt, IGU_REG_ATTENTION_ENABLE, 0xfff); - /* Flush the writes to IGU */ - mmiowb(); - /* Unmask AEU signals toward IGU */ qed_wr(p_hwfn, p_ptt, MISC_REG_AEU_MASK_ATTN_IGU, 0xff); } @@ -1871,9 +1904,6 @@ static void qed_int_igu_cleanup_sb(struct qed_hwfn *p_hwfn, qed_wr(p_hwfn, p_ptt, IGU_REG_COMMAND_REG_CTRL, cmd_ctrl); - /* Flush the write to IGU */ - mmiowb(); - /* calculate where to read the status bit from */ sb_bit = 1 << (igu_sb_id % 32); sb_bit_addr = igu_sb_id / 32 * sizeof(u32); diff --git a/drivers/net/ethernet/qlogic/qed/qed_int.h b/drivers/net/ethernet/qlogic/qed/qed_int.h index 1f356ed4f761..d473b522afc5 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_int.h +++ b/drivers/net/ethernet/qlogic/qed/qed_int.h @@ -192,8 +192,8 @@ void qed_int_disable_post_isr_release(struct qed_dev *cdev); /** * @brief - Doorbell Recovery handler. - * Run DB_REAL_DEAL doorbell recovery in case of PF overflow - * (and flush DORQ if needed), otherwise run DB_REC_ONCE. + * Run doorbell recovery in case of PF overflow (and flush DORQ if + * needed). * * @param p_hwfn * @param p_ptt diff --git a/drivers/net/ethernet/qlogic/qed/qed_main.c b/drivers/net/ethernet/qlogic/qed/qed_main.c index f164d4acebcb..6de23b56b294 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_main.c +++ b/drivers/net/ethernet/qlogic/qed/qed_main.c @@ -970,7 +970,7 @@ static void qed_update_pf_params(struct qed_dev *cdev, } } -#define QED_PERIODIC_DB_REC_COUNT 100 +#define QED_PERIODIC_DB_REC_COUNT 10 #define QED_PERIODIC_DB_REC_INTERVAL_MS 100 #define QED_PERIODIC_DB_REC_INTERVAL \ msecs_to_jiffies(QED_PERIODIC_DB_REC_INTERVAL_MS) diff --git a/drivers/net/ethernet/qlogic/qed/qed_spq.c b/drivers/net/ethernet/qlogic/qed/qed_spq.c index 79b311b86f66..f5f3c03b9dd2 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_spq.c +++ b/drivers/net/ethernet/qlogic/qed/qed_spq.c @@ -341,9 +341,6 @@ void qed_eq_prod_update(struct qed_hwfn *p_hwfn, u16 prod) USTORM_EQE_CONS_OFFSET(p_hwfn->rel_pf_id); REG_WR16(p_hwfn, addr, prod); - - /* keep prod updates ordered */ - mmiowb(); } int qed_eq_completion(struct qed_hwfn *p_hwfn, void *cookie) diff --git a/drivers/net/ethernet/qlogic/qed/qed_sriov.c b/drivers/net/ethernet/qlogic/qed/qed_sriov.c index 9faaa6df78ed..2f318aaf2b05 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_sriov.c +++ b/drivers/net/ethernet/qlogic/qed/qed_sriov.c @@ -1591,7 +1591,7 @@ static void qed_iov_vf_mbx_acquire(struct qed_hwfn *p_hwfn, p_vfdev->eth_fp_hsi_minor = ETH_HSI_VER_NO_PKT_LEN_TUNN; } else { DP_INFO(p_hwfn, - "VF[%d] needs fastpath HSI %02x.%02x, which is incompatible with loaded FW's faspath HSI %02x.%02x\n", + "VF[%d] needs fastpath HSI %02x.%02x, which is incompatible with loaded FW's fastpath HSI %02x.%02x\n", vf->abs_vf_id, req->vfdev_info.eth_fp_hsi_major, req->vfdev_info.eth_fp_hsi_minor, diff --git a/drivers/net/ethernet/qlogic/qede/qede_ethtool.c b/drivers/net/ethernet/qlogic/qede/qede_ethtool.c index b4c8949933f1..4555c0b161ef 100644 --- a/drivers/net/ethernet/qlogic/qede/qede_ethtool.c +++ b/drivers/net/ethernet/qlogic/qede/qede_ethtool.c @@ -1526,14 +1526,6 @@ static int qede_selftest_transmit_traffic(struct qede_dev *edev, barrier(); writel(txq->tx_db.raw, txq->doorbell_addr); - /* mmiowb is needed to synchronize doorbell writes from more than one - * processor. It guarantees that the write arrives to the device before - * the queue lock is released and another start_xmit is called (possibly - * on another CPU). Without this barrier, the next doorbell can bypass - * this doorbell. This is applicable to IA64/Altix systems. - */ - mmiowb(); - for (i = 0; i < QEDE_SELFTEST_POLL_COUNT; i++) { if (qede_txq_has_work(txq)) break; diff --git a/drivers/net/ethernet/qlogic/qede/qede_fp.c b/drivers/net/ethernet/qlogic/qede/qede_fp.c index 31b046e24565..6f7e3622c6b4 100644 --- a/drivers/net/ethernet/qlogic/qede/qede_fp.c +++ b/drivers/net/ethernet/qlogic/qede/qede_fp.c @@ -580,14 +580,6 @@ void qede_update_rx_prod(struct qede_dev *edev, struct qede_rx_queue *rxq) internal_ram_wr(rxq->hw_rxq_prod_addr, sizeof(rx_prods), (u32 *)&rx_prods); - - /* mmiowb is needed to synchronize doorbell writes from more than one - * processor. It guarantees that the write arrives to the device before - * the napi lock is released and another qede_poll is called (possibly - * on another CPU). Without this barrier, the next doorbell can bypass - * this doorbell. This is applicable to IA64/Altix systems. - */ - mmiowb(); } static void qede_get_rxhash(struct sk_buff *skb, u8 bitfields, __le32 rss_hash) diff --git a/drivers/net/ethernet/qlogic/qede/qede_ptp.c b/drivers/net/ethernet/qlogic/qede/qede_ptp.c index 5f3f42a25361..bddb2b5982dc 100644 --- a/drivers/net/ethernet/qlogic/qede/qede_ptp.c +++ b/drivers/net/ethernet/qlogic/qede/qede_ptp.c @@ -490,18 +490,17 @@ int qede_ptp_enable(struct qede_dev *edev, bool init_tc) ptp->clock = ptp_clock_register(&ptp->clock_info, &edev->pdev->dev); if (IS_ERR(ptp->clock)) { - rc = -EINVAL; DP_ERR(edev, "PTP clock registration failed\n"); + qede_ptp_disable(edev); + rc = -EINVAL; goto err2; } return 0; -err2: - qede_ptp_disable(edev); - ptp->clock = NULL; err1: kfree(ptp); +err2: edev->ptp = NULL; return rc; diff --git a/drivers/net/ethernet/qlogic/qla3xxx.c b/drivers/net/ethernet/qlogic/qla3xxx.c index b61b88cbc0c7..457444894d80 100644 --- a/drivers/net/ethernet/qlogic/qla3xxx.c +++ b/drivers/net/ethernet/qlogic/qla3xxx.c @@ -1858,7 +1858,6 @@ static void ql_update_small_bufq_prod_index(struct ql3_adapter *qdev) wmb(); writel_relaxed(qdev->small_buf_q_producer_index, &port_regs->CommonRegs.rxSmallQProducerIndex); - mmiowb(); } } diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h b/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h index 0c443ea98479..374a4d4371f9 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h @@ -497,7 +497,7 @@ struct qlcnic_hardware_context { u16 board_type; u16 supported_type; - u16 link_speed; + u32 link_speed; u16 link_duplex; u16 link_autoneg; u16 module_type; diff --git a/drivers/net/ethernet/qlogic/qlge/qlge.h b/drivers/net/ethernet/qlogic/qlge/qlge.h index 3e71b65a9546..ad7c5eb8a3b6 100644 --- a/drivers/net/ethernet/qlogic/qlge/qlge.h +++ b/drivers/net/ethernet/qlogic/qlge/qlge.h @@ -2181,7 +2181,6 @@ static inline void ql_write32(const struct ql_adapter *qdev, int reg, u32 val) static inline void ql_write_db_reg(u32 val, void __iomem *addr) { writel(val, addr); - mmiowb(); } /* diff --git a/drivers/net/ethernet/qlogic/qlge/qlge_main.c b/drivers/net/ethernet/qlogic/qlge/qlge_main.c index 07e1c623048e..6cae33072496 100644 --- a/drivers/net/ethernet/qlogic/qlge/qlge_main.c +++ b/drivers/net/ethernet/qlogic/qlge/qlge_main.c @@ -2695,7 +2695,6 @@ static netdev_tx_t qlge_send(struct sk_buff *skb, struct net_device *ndev) wmb(); ql_write_db_reg_relaxed(tx_ring->prod_idx, tx_ring->prod_idx_db_reg); - mmiowb(); netif_printk(qdev, tx_queued, KERN_DEBUG, qdev->ndev, "tx queued, slot %d, len %d\n", tx_ring->prod_idx, skb->len); diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c index 7562ccbbb39a..ed651dde6ef9 100644 --- a/drivers/net/ethernet/realtek/r8169.c +++ b/drivers/net/ethernet/realtek/r8169.c @@ -28,6 +28,7 @@ #include <linux/pm_runtime.h> #include <linux/firmware.h> #include <linux/prefetch.h> +#include <linux/pci-aspm.h> #include <linux/ipv6.h> #include <net/ip6_checksum.h> @@ -5460,7 +5461,7 @@ static void rtl_hw_start_8168(struct rtl8169_private *tp) tp->cp_cmd |= PktCntrDisable | INTT_1; RTL_W16(tp, CPlusCmd, tp->cp_cmd); - RTL_W16(tp, IntrMitigate, 0x5151); + RTL_W16(tp, IntrMitigate, 0x5100); /* Work around for RxFIFO overflow. */ if (tp->mac_version == RTL_GIGA_MAC_VER_11) { @@ -7352,6 +7353,11 @@ static int rtl_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) if (rc) return rc; + /* Disable ASPM completely as that cause random device stop working + * problems as well as full system hangs for some PCIe devices users. + */ + pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1); + /* enable device (incl. PCI PM wakeup and hotplug setup) */ rc = pcim_enable_device(pdev); if (rc < 0) { diff --git a/drivers/net/ethernet/renesas/ravb_main.c b/drivers/net/ethernet/renesas/ravb_main.c index 8154b38c08f7..316b47741d3f 100644 --- a/drivers/net/ethernet/renesas/ravb_main.c +++ b/drivers/net/ethernet/renesas/ravb_main.c @@ -728,7 +728,6 @@ static irqreturn_t ravb_emac_interrupt(int irq, void *dev_id) spin_lock(&priv->lock); ravb_emac_interrupt_unlocked(ndev); - mmiowb(); spin_unlock(&priv->lock); return IRQ_HANDLED; } @@ -848,7 +847,6 @@ static irqreturn_t ravb_interrupt(int irq, void *dev_id) result = IRQ_HANDLED; } - mmiowb(); spin_unlock(&priv->lock); return result; } @@ -881,7 +879,6 @@ static irqreturn_t ravb_multi_interrupt(int irq, void *dev_id) result = IRQ_HANDLED; } - mmiowb(); spin_unlock(&priv->lock); return result; } @@ -898,7 +895,6 @@ static irqreturn_t ravb_dma_interrupt(int irq, void *dev_id, int q) if (ravb_queue_interrupt(ndev, q)) result = IRQ_HANDLED; - mmiowb(); spin_unlock(&priv->lock); return result; } @@ -943,7 +939,6 @@ static int ravb_poll(struct napi_struct *napi, int budget) ravb_write(ndev, ~(mask | TIS_RESERVED), TIS); ravb_tx_free(ndev, q, true); netif_wake_subqueue(ndev, q); - mmiowb(); spin_unlock_irqrestore(&priv->lock, flags); } } @@ -959,7 +954,6 @@ static int ravb_poll(struct napi_struct *napi, int budget) ravb_write(ndev, mask, RIE0); ravb_write(ndev, mask, TIE); } - mmiowb(); spin_unlock_irqrestore(&priv->lock, flags); /* Receive error message handling */ @@ -1008,7 +1002,6 @@ static void ravb_adjust_link(struct net_device *ndev) if (priv->no_avb_link && phydev->link) ravb_rcv_snd_enable(ndev); - mmiowb(); spin_unlock_irqrestore(&priv->lock, flags); if (new_state && netif_msg_link(priv)) @@ -1601,7 +1594,6 @@ static netdev_tx_t ravb_start_xmit(struct sk_buff *skb, struct net_device *ndev) netif_stop_subqueue(ndev, q); exit: - mmiowb(); spin_unlock_irqrestore(&priv->lock, flags); return NETDEV_TX_OK; @@ -1673,7 +1665,6 @@ static void ravb_set_rx_mode(struct net_device *ndev) spin_lock_irqsave(&priv->lock, flags); ravb_modify(ndev, ECMR, ECMR_PRM, ndev->flags & IFF_PROMISC ? ECMR_PRM : 0); - mmiowb(); spin_unlock_irqrestore(&priv->lock, flags); } diff --git a/drivers/net/ethernet/renesas/ravb_ptp.c b/drivers/net/ethernet/renesas/ravb_ptp.c index dce2a40a31e3..9a42580693cb 100644 --- a/drivers/net/ethernet/renesas/ravb_ptp.c +++ b/drivers/net/ethernet/renesas/ravb_ptp.c @@ -196,7 +196,6 @@ static int ravb_ptp_extts(struct ptp_clock_info *ptp, ravb_write(ndev, GIE_PTCS, GIE); else ravb_write(ndev, GID_PTCD, GID); - mmiowb(); spin_unlock_irqrestore(&priv->lock, flags); return 0; @@ -259,7 +258,6 @@ static int ravb_ptp_perout(struct ptp_clock_info *ptp, else ravb_write(ndev, GID_PTMD0, GID); } - mmiowb(); spin_unlock_irqrestore(&priv->lock, flags); return error; @@ -331,7 +329,6 @@ void ravb_ptp_init(struct net_device *ndev, struct platform_device *pdev) spin_lock_irqsave(&priv->lock, flags); ravb_wait(ndev, GCCR, GCCR_TCR, GCCR_TCR_NOREQ); ravb_modify(ndev, GCCR, GCCR_TCSS, GCCR_TCSS_ADJGPTP); - mmiowb(); spin_unlock_irqrestore(&priv->lock, flags); priv->ptp.clock = ptp_clock_register(&priv->ptp.info, &pdev->dev); diff --git a/drivers/net/ethernet/renesas/sh_eth.c b/drivers/net/ethernet/renesas/sh_eth.c index e33af371b169..ed30aebdb941 100644 --- a/drivers/net/ethernet/renesas/sh_eth.c +++ b/drivers/net/ethernet/renesas/sh_eth.c @@ -2010,7 +2010,6 @@ static void sh_eth_adjust_link(struct net_device *ndev) if ((mdp->cd->no_psr || mdp->no_ether_link) && phydev->link) sh_eth_rcv_snd_enable(ndev); - mmiowb(); spin_unlock_irqrestore(&mdp->lock, flags); if (new_state && netif_msg_link(mdp)) diff --git a/drivers/net/ethernet/sfc/falcon/io.h b/drivers/net/ethernet/sfc/falcon/io.h index 7085ee1d5e2b..c3577643fbda 100644 --- a/drivers/net/ethernet/sfc/falcon/io.h +++ b/drivers/net/ethernet/sfc/falcon/io.h @@ -108,7 +108,6 @@ static inline void ef4_writeo(struct ef4_nic *efx, const ef4_oword_t *value, _ef4_writed(efx, value->u32[2], reg + 8); _ef4_writed(efx, value->u32[3], reg + 12); #endif - mmiowb(); spin_unlock_irqrestore(&efx->biu_lock, flags); } @@ -130,7 +129,6 @@ static inline void ef4_sram_writeq(struct ef4_nic *efx, void __iomem *membase, __raw_writel((__force u32)value->u32[0], membase + addr); __raw_writel((__force u32)value->u32[1], membase + addr + 4); #endif - mmiowb(); spin_unlock_irqrestore(&efx->biu_lock, flags); } diff --git a/drivers/net/ethernet/sfc/io.h b/drivers/net/ethernet/sfc/io.h index 89563170af52..2774a10f44e9 100644 --- a/drivers/net/ethernet/sfc/io.h +++ b/drivers/net/ethernet/sfc/io.h @@ -120,7 +120,6 @@ static inline void efx_writeo(struct efx_nic *efx, const efx_oword_t *value, _efx_writed(efx, value->u32[2], reg + 8); _efx_writed(efx, value->u32[3], reg + 12); #endif - mmiowb(); spin_unlock_irqrestore(&efx->biu_lock, flags); } @@ -142,7 +141,6 @@ static inline void efx_sram_writeq(struct efx_nic *efx, void __iomem *membase, __raw_writel((__force u32)value->u32[0], membase + addr); __raw_writel((__force u32)value->u32[1], membase + addr + 4); #endif - mmiowb(); spin_unlock_irqrestore(&efx->biu_lock, flags); } diff --git a/drivers/net/ethernet/silan/sc92031.c b/drivers/net/ethernet/silan/sc92031.c index c07fd594fe71..02b3962b0e63 100644 --- a/drivers/net/ethernet/silan/sc92031.c +++ b/drivers/net/ethernet/silan/sc92031.c @@ -251,7 +251,6 @@ enum PMConfigBits { * use of mdelay() at _sc92031_reset. * Functions prefixed with _sc92031_ must be called with the lock held; * functions prefixed with sc92031_ must be called without the lock held. - * Use mmiowb() before unlocking if the hardware was written to. */ /* Locking rules for the interrupt: @@ -361,7 +360,6 @@ static void sc92031_disable_interrupts(struct net_device *dev) /* stop interrupts */ iowrite32(0, port_base + IntrMask); _sc92031_dummy_read(port_base); - mmiowb(); /* wait for any concurrent interrupt/tasklet to finish */ synchronize_irq(priv->pdev->irq); @@ -379,7 +377,6 @@ static void sc92031_enable_interrupts(struct net_device *dev) wmb(); iowrite32(IntrBits, port_base + IntrMask); - mmiowb(); } static void _sc92031_disable_tx_rx(struct net_device *dev) @@ -867,7 +864,6 @@ out: rmb(); iowrite32(intr_mask, port_base + IntrMask); - mmiowb(); spin_unlock(&priv->lock); } @@ -901,7 +897,6 @@ out_none: rmb(); iowrite32(intr_mask, port_base + IntrMask); - mmiowb(); return IRQ_NONE; } @@ -978,7 +973,6 @@ static netdev_tx_t sc92031_start_xmit(struct sk_buff *skb, iowrite32(priv->tx_bufs_dma_addr + entry * TX_BUF_SIZE, port_base + TxAddr0 + entry * 4); iowrite32(tx_status, port_base + TxStatus0 + entry * 4); - mmiowb(); if (priv->tx_head - priv->tx_tail >= NUM_TX_DESC) netif_stop_queue(dev); @@ -1024,7 +1018,6 @@ static int sc92031_open(struct net_device *dev) spin_lock_bh(&priv->lock); _sc92031_reset(dev); - mmiowb(); spin_unlock_bh(&priv->lock); sc92031_enable_interrupts(dev); @@ -1060,7 +1053,6 @@ static int sc92031_stop(struct net_device *dev) _sc92031_disable_tx_rx(dev); _sc92031_tx_clear(dev); - mmiowb(); spin_unlock_bh(&priv->lock); @@ -1081,7 +1073,6 @@ static void sc92031_set_multicast_list(struct net_device *dev) _sc92031_set_mar(dev); _sc92031_set_rx_config(dev); - mmiowb(); spin_unlock_bh(&priv->lock); } @@ -1098,7 +1089,6 @@ static void sc92031_tx_timeout(struct net_device *dev) priv->tx_timeouts++; _sc92031_reset(dev); - mmiowb(); spin_unlock(&priv->lock); @@ -1140,7 +1130,6 @@ sc92031_ethtool_get_link_ksettings(struct net_device *dev, output_status = _sc92031_mii_read(port_base, MII_OutputStatus); _sc92031_mii_scan(port_base); - mmiowb(); spin_unlock_bh(&priv->lock); @@ -1311,7 +1300,6 @@ static int sc92031_ethtool_set_wol(struct net_device *dev, priv->pm_config = pm_config; iowrite32(pm_config, port_base + PMConfig); - mmiowb(); spin_unlock_bh(&priv->lock); @@ -1337,7 +1325,6 @@ static int sc92031_ethtool_nway_reset(struct net_device *dev) out: _sc92031_mii_scan(port_base); - mmiowb(); spin_unlock_bh(&priv->lock); @@ -1530,7 +1517,6 @@ static int sc92031_suspend(struct pci_dev *pdev, pm_message_t state) _sc92031_disable_tx_rx(dev); _sc92031_tx_clear(dev); - mmiowb(); spin_unlock_bh(&priv->lock); @@ -1555,7 +1541,6 @@ static int sc92031_resume(struct pci_dev *pdev) spin_lock_bh(&priv->lock); _sc92031_reset(dev); - mmiowb(); spin_unlock_bh(&priv->lock); sc92031_enable_interrupts(dev); diff --git a/drivers/net/ethernet/socionext/netsec.c b/drivers/net/ethernet/socionext/netsec.c index a18149720aa2..cba5881b2746 100644 --- a/drivers/net/ethernet/socionext/netsec.c +++ b/drivers/net/ethernet/socionext/netsec.c @@ -673,7 +673,8 @@ static void netsec_process_tx(struct netsec_priv *priv) } static void *netsec_alloc_rx_data(struct netsec_priv *priv, - dma_addr_t *dma_handle, u16 *desc_len) + dma_addr_t *dma_handle, u16 *desc_len, + bool napi) { size_t total_len = SKB_DATA_ALIGN(sizeof(struct skb_shared_info)); size_t payload_len = NETSEC_RX_BUF_SZ; @@ -682,7 +683,7 @@ static void *netsec_alloc_rx_data(struct netsec_priv *priv, total_len += SKB_DATA_ALIGN(payload_len + NETSEC_SKB_PAD); - buf = napi_alloc_frag(total_len); + buf = napi ? napi_alloc_frag(total_len) : netdev_alloc_frag(total_len); if (!buf) return NULL; @@ -765,7 +766,8 @@ static int netsec_process_rx(struct netsec_priv *priv, int budget) /* allocate a fresh buffer and map it to the hardware. * This will eventually replace the old buffer in the hardware */ - buf_addr = netsec_alloc_rx_data(priv, &dma_handle, &desc_len); + buf_addr = netsec_alloc_rx_data(priv, &dma_handle, &desc_len, + true); if (unlikely(!buf_addr)) break; @@ -1069,7 +1071,8 @@ static int netsec_setup_rx_dring(struct netsec_priv *priv) void *buf; u16 len; - buf = netsec_alloc_rx_data(priv, &dma_handle, &len); + buf = netsec_alloc_rx_data(priv, &dma_handle, &len, + false); if (!buf) { netsec_uninit_pkt_dring(priv, NETSEC_RING_RX); goto err_out; diff --git a/drivers/net/ethernet/stmicro/stmmac/descs_com.h b/drivers/net/ethernet/stmicro/stmmac/descs_com.h index 40d6356a7e73..3dfb07a78952 100644 --- a/drivers/net/ethernet/stmicro/stmmac/descs_com.h +++ b/drivers/net/ethernet/stmicro/stmmac/descs_com.h @@ -29,11 +29,13 @@ /* Specific functions used for Ring mode */ /* Enhanced descriptors */ -static inline void ehn_desc_rx_set_on_ring(struct dma_desc *p, int end) +static inline void ehn_desc_rx_set_on_ring(struct dma_desc *p, int end, + int bfsize) { - p->des1 |= cpu_to_le32((BUF_SIZE_8KiB - << ERDES1_BUFFER2_SIZE_SHIFT) - & ERDES1_BUFFER2_SIZE_MASK); + if (bfsize == BUF_SIZE_16KiB) + p->des1 |= cpu_to_le32((BUF_SIZE_8KiB + << ERDES1_BUFFER2_SIZE_SHIFT) + & ERDES1_BUFFER2_SIZE_MASK); if (end) p->des1 |= cpu_to_le32(ERDES1_END_RING); @@ -59,11 +61,15 @@ static inline void enh_set_tx_desc_len_on_ring(struct dma_desc *p, int len) } /* Normal descriptors */ -static inline void ndesc_rx_set_on_ring(struct dma_desc *p, int end) +static inline void ndesc_rx_set_on_ring(struct dma_desc *p, int end, int bfsize) { - p->des1 |= cpu_to_le32(((BUF_SIZE_2KiB - 1) - << RDES1_BUFFER2_SIZE_SHIFT) - & RDES1_BUFFER2_SIZE_MASK); + if (bfsize >= BUF_SIZE_2KiB) { + int bfsize2; + + bfsize2 = min(bfsize - BUF_SIZE_2KiB + 1, BUF_SIZE_2KiB - 1); + p->des1 |= cpu_to_le32((bfsize2 << RDES1_BUFFER2_SIZE_SHIFT) + & RDES1_BUFFER2_SIZE_MASK); + } if (end) p->des1 |= cpu_to_le32(RDES1_END_RING); diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-stm32.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-stm32.c index 062a600fa5a7..21428537e231 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-stm32.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-stm32.c @@ -333,6 +333,9 @@ static int stm32mp1_parse_data(struct stm32_dwmac *dwmac, */ dwmac->irq_pwr_wakeup = platform_get_irq_byname(pdev, "stm32_pwr_wakeup"); + if (dwmac->irq_pwr_wakeup == -EPROBE_DEFER) + return -EPROBE_DEFER; + if (!dwmac->clk_eth_ck && dwmac->irq_pwr_wakeup >= 0) { err = device_init_wakeup(&pdev->dev, true); if (err) { diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.c b/drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.c index 7fbb6a4dbf51..e061e9f5fad7 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.c @@ -296,7 +296,7 @@ exit: } static void dwmac4_rd_init_rx_desc(struct dma_desc *p, int disable_rx_ic, - int mode, int end) + int mode, int end, int bfsize) { dwmac4_set_rx_owner(p, disable_rx_ic); } diff --git a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_descs.c b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_descs.c index 1d858fdec997..98fa471da7c0 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_descs.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_descs.c @@ -123,7 +123,7 @@ static int dwxgmac2_get_rx_timestamp_status(void *desc, void *next_desc, } static void dwxgmac2_init_rx_desc(struct dma_desc *p, int disable_rx_ic, - int mode, int end) + int mode, int end, int bfsize) { dwxgmac2_set_rx_owner(p, disable_rx_ic); } diff --git a/drivers/net/ethernet/stmicro/stmmac/enh_desc.c b/drivers/net/ethernet/stmicro/stmmac/enh_desc.c index 5ef91a790f9d..5202d6ad7919 100644 --- a/drivers/net/ethernet/stmicro/stmmac/enh_desc.c +++ b/drivers/net/ethernet/stmicro/stmmac/enh_desc.c @@ -201,6 +201,11 @@ static int enh_desc_get_rx_status(void *data, struct stmmac_extra_stats *x, if (unlikely(rdes0 & RDES0_OWN)) return dma_own; + if (unlikely(!(rdes0 & RDES0_LAST_DESCRIPTOR))) { + stats->rx_length_errors++; + return discard_frame; + } + if (unlikely(rdes0 & RDES0_ERROR_SUMMARY)) { if (unlikely(rdes0 & RDES0_DESCRIPTOR_ERROR)) { x->rx_desc++; @@ -231,9 +236,10 @@ static int enh_desc_get_rx_status(void *data, struct stmmac_extra_stats *x, * It doesn't match with the information reported into the databook. * At any rate, we need to understand if the CSUM hw computation is ok * and report this info to the upper layers. */ - ret = enh_desc_coe_rdes0(!!(rdes0 & RDES0_IPC_CSUM_ERROR), - !!(rdes0 & RDES0_FRAME_TYPE), - !!(rdes0 & ERDES0_RX_MAC_ADDR)); + if (likely(ret == good_frame)) + ret = enh_desc_coe_rdes0(!!(rdes0 & RDES0_IPC_CSUM_ERROR), + !!(rdes0 & RDES0_FRAME_TYPE), + !!(rdes0 & ERDES0_RX_MAC_ADDR)); if (unlikely(rdes0 & RDES0_DRIBBLING)) x->dribbling_bit++; @@ -259,15 +265,19 @@ static int enh_desc_get_rx_status(void *data, struct stmmac_extra_stats *x, } static void enh_desc_init_rx_desc(struct dma_desc *p, int disable_rx_ic, - int mode, int end) + int mode, int end, int bfsize) { + int bfsize1; + p->des0 |= cpu_to_le32(RDES0_OWN); - p->des1 |= cpu_to_le32(BUF_SIZE_8KiB & ERDES1_BUFFER1_SIZE_MASK); + + bfsize1 = min(bfsize, BUF_SIZE_8KiB); + p->des1 |= cpu_to_le32(bfsize1 & ERDES1_BUFFER1_SIZE_MASK); if (mode == STMMAC_CHAIN_MODE) ehn_desc_rx_set_on_chain(p); else - ehn_desc_rx_set_on_ring(p, end); + ehn_desc_rx_set_on_ring(p, end, bfsize); if (disable_rx_ic) p->des1 |= cpu_to_le32(ERDES1_DISABLE_IC); diff --git a/drivers/net/ethernet/stmicro/stmmac/hwif.h b/drivers/net/ethernet/stmicro/stmmac/hwif.h index 92b8944f26e3..5bb00234d961 100644 --- a/drivers/net/ethernet/stmicro/stmmac/hwif.h +++ b/drivers/net/ethernet/stmicro/stmmac/hwif.h @@ -33,7 +33,7 @@ struct dma_extended_desc; struct stmmac_desc_ops { /* DMA RX descriptor ring initialization */ void (*init_rx_desc)(struct dma_desc *p, int disable_rx_ic, int mode, - int end); + int end, int bfsize); /* DMA TX descriptor ring initialization */ void (*init_tx_desc)(struct dma_desc *p, int mode, int end); /* Invoked by the xmit function to prepare the tx descriptor */ diff --git a/drivers/net/ethernet/stmicro/stmmac/norm_desc.c b/drivers/net/ethernet/stmicro/stmmac/norm_desc.c index de65bb29feba..6d690678c20e 100644 --- a/drivers/net/ethernet/stmicro/stmmac/norm_desc.c +++ b/drivers/net/ethernet/stmicro/stmmac/norm_desc.c @@ -91,8 +91,6 @@ static int ndesc_get_rx_status(void *data, struct stmmac_extra_stats *x, return dma_own; if (unlikely(!(rdes0 & RDES0_LAST_DESCRIPTOR))) { - pr_warn("%s: Oversized frame spanned multiple buffers\n", - __func__); stats->rx_length_errors++; return discard_frame; } @@ -135,15 +133,19 @@ static int ndesc_get_rx_status(void *data, struct stmmac_extra_stats *x, } static void ndesc_init_rx_desc(struct dma_desc *p, int disable_rx_ic, int mode, - int end) + int end, int bfsize) { + int bfsize1; + p->des0 |= cpu_to_le32(RDES0_OWN); - p->des1 |= cpu_to_le32((BUF_SIZE_2KiB - 1) & RDES1_BUFFER1_SIZE_MASK); + + bfsize1 = min(bfsize, BUF_SIZE_2KiB - 1); + p->des1 |= cpu_to_le32(bfsize1 & RDES1_BUFFER1_SIZE_MASK); if (mode == STMMAC_CHAIN_MODE) ndesc_rx_set_on_chain(p, end); else - ndesc_rx_set_on_ring(p, end); + ndesc_rx_set_on_ring(p, end, bfsize); if (disable_rx_ic) p->des1 |= cpu_to_le32(RDES1_DISABLE_IC); diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index 6a2e1031a62a..48712437d0da 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -1136,11 +1136,13 @@ static void stmmac_clear_rx_descriptors(struct stmmac_priv *priv, u32 queue) if (priv->extend_desc) stmmac_init_rx_desc(priv, &rx_q->dma_erx[i].basic, priv->use_riwt, priv->mode, - (i == DMA_RX_SIZE - 1)); + (i == DMA_RX_SIZE - 1), + priv->dma_buf_sz); else stmmac_init_rx_desc(priv, &rx_q->dma_rx[i], priv->use_riwt, priv->mode, - (i == DMA_RX_SIZE - 1)); + (i == DMA_RX_SIZE - 1), + priv->dma_buf_sz); } /** @@ -2614,8 +2616,6 @@ static int stmmac_open(struct net_device *dev) u32 chan; int ret; - stmmac_check_ether_addr(priv); - if (priv->hw->pcs != STMMAC_PCS_RGMII && priv->hw->pcs != STMMAC_PCS_TBI && priv->hw->pcs != STMMAC_PCS_RTBI) { @@ -3352,9 +3352,8 @@ static int stmmac_rx(struct stmmac_priv *priv, int limit, u32 queue) { struct stmmac_rx_queue *rx_q = &priv->rx_queue[queue]; struct stmmac_channel *ch = &priv->channel[queue]; - unsigned int entry = rx_q->cur_rx; + unsigned int next_entry = rx_q->cur_rx; int coe = priv->hw->rx_csum; - unsigned int next_entry; unsigned int count = 0; bool xmac; @@ -3372,10 +3371,12 @@ static int stmmac_rx(struct stmmac_priv *priv, int limit, u32 queue) stmmac_display_ring(priv, rx_head, DMA_RX_SIZE, true); } while (count < limit) { - int status; + int entry, status; struct dma_desc *p; struct dma_desc *np; + entry = next_entry; + if (priv->extend_desc) p = (struct dma_desc *)(rx_q->dma_erx + entry); else @@ -3431,11 +3432,12 @@ static int stmmac_rx(struct stmmac_priv *priv, int limit, u32 queue) * ignored */ if (frame_len > priv->dma_buf_sz) { - netdev_err(priv->dev, - "len %d larger than size (%d)\n", - frame_len, priv->dma_buf_sz); + if (net_ratelimit()) + netdev_err(priv->dev, + "len %d larger than size (%d)\n", + frame_len, priv->dma_buf_sz); priv->dev->stats.rx_length_errors++; - break; + continue; } /* ACS is set; GMAC core strips PAD/FCS for IEEE 802.3 @@ -3470,7 +3472,7 @@ static int stmmac_rx(struct stmmac_priv *priv, int limit, u32 queue) dev_warn(priv->device, "packet dropped\n"); priv->dev->stats.rx_dropped++; - break; + continue; } dma_sync_single_for_cpu(priv->device, @@ -3490,11 +3492,12 @@ static int stmmac_rx(struct stmmac_priv *priv, int limit, u32 queue) } else { skb = rx_q->rx_skbuff[entry]; if (unlikely(!skb)) { - netdev_err(priv->dev, - "%s: Inconsistent Rx chain\n", - priv->dev->name); + if (net_ratelimit()) + netdev_err(priv->dev, + "%s: Inconsistent Rx chain\n", + priv->dev->name); priv->dev->stats.rx_dropped++; - break; + continue; } prefetch(skb->data - NET_IP_ALIGN); rx_q->rx_skbuff[entry] = NULL; @@ -3529,7 +3532,6 @@ static int stmmac_rx(struct stmmac_priv *priv, int limit, u32 queue) priv->dev->stats.rx_packets++; priv->dev->stats.rx_bytes += frame_len; } - entry = next_entry; } stmmac_rx_refill(priv, queue); @@ -4299,6 +4301,8 @@ int stmmac_dvr_probe(struct device *device, if (ret) goto error_hw_init; + stmmac_check_ether_addr(priv); + /* Configure real RX and TX queues */ netif_set_real_num_rx_queues(ndev, priv->plat->rx_queues_to_use); netif_set_real_num_tx_queues(ndev, priv->plat->tx_queues_to_use); diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c index d819e8eaba12..26db6aa002d1 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c @@ -159,6 +159,12 @@ static const struct dmi_system_id quark_pci_dmi[] = { }, .driver_data = (void *)&galileo_stmmac_dmi_data, }, + /* + * There are 2 types of SIMATIC IOT2000: IOT2020 and IOT2040. + * The asset tag "6ES7647-0AA00-0YA2" is only for IOT2020 which + * has only one pci network device while other asset tags are + * for IOT2040 which has two. + */ { .matches = { DMI_EXACT_MATCH(DMI_BOARD_NAME, "SIMATIC IOT2000"), @@ -170,8 +176,6 @@ static const struct dmi_system_id quark_pci_dmi[] = { { .matches = { DMI_EXACT_MATCH(DMI_BOARD_NAME, "SIMATIC IOT2000"), - DMI_EXACT_MATCH(DMI_BOARD_ASSET_TAG, - "6ES7647-0AA00-1YA2"), }, .driver_data = (void *)&iot2040_stmmac_dmi_data, }, diff --git a/drivers/net/ethernet/via/via-rhine.c b/drivers/net/ethernet/via/via-rhine.c index 33949248c829..ab55416a10fa 100644 --- a/drivers/net/ethernet/via/via-rhine.c +++ b/drivers/net/ethernet/via/via-rhine.c @@ -571,7 +571,6 @@ static void rhine_ack_events(struct rhine_private *rp, u32 mask) if (rp->quirks & rqStatusWBRace) iowrite8(mask >> 16, ioaddr + IntrStatus2); iowrite16(mask, ioaddr + IntrStatus); - mmiowb(); } /* @@ -863,7 +862,6 @@ static int rhine_napipoll(struct napi_struct *napi, int budget) if (work_done < budget) { napi_complete_done(napi, work_done); iowrite16(enable_mask, ioaddr + IntrEnable); - mmiowb(); } return work_done; } @@ -1893,7 +1891,6 @@ static netdev_tx_t rhine_start_tx(struct sk_buff *skb, static void rhine_irq_disable(struct rhine_private *rp) { iowrite16(0x0000, rp->base + IntrEnable); - mmiowb(); } /* The interrupt handler does all of the Rx thread work and cleans up diff --git a/drivers/net/ethernet/wiznet/w5100.c b/drivers/net/ethernet/wiznet/w5100.c index d8ba512f166a..1713c2d2dccf 100644 --- a/drivers/net/ethernet/wiznet/w5100.c +++ b/drivers/net/ethernet/wiznet/w5100.c @@ -219,7 +219,6 @@ static inline int __w5100_write_direct(struct net_device *ndev, u32 addr, static inline int w5100_write_direct(struct net_device *ndev, u32 addr, u8 data) { __w5100_write_direct(ndev, addr, data); - mmiowb(); return 0; } @@ -236,7 +235,6 @@ static int w5100_write16_direct(struct net_device *ndev, u32 addr, u16 data) { __w5100_write_direct(ndev, addr, data >> 8); __w5100_write_direct(ndev, addr + 1, data); - mmiowb(); return 0; } @@ -260,8 +258,6 @@ static int w5100_writebulk_direct(struct net_device *ndev, u32 addr, for (i = 0; i < len; i++, addr++) __w5100_write_direct(ndev, addr, *buf++); - mmiowb(); - return 0; } @@ -375,7 +371,6 @@ static int w5100_readbulk_indirect(struct net_device *ndev, u32 addr, u8 *buf, for (i = 0; i < len; i++) *buf++ = w5100_read_direct(ndev, W5100_IDM_DR); - mmiowb(); spin_unlock_irqrestore(&mmio_priv->reg_lock, flags); return 0; @@ -394,7 +389,6 @@ static int w5100_writebulk_indirect(struct net_device *ndev, u32 addr, for (i = 0; i < len; i++) __w5100_write_direct(ndev, W5100_IDM_DR, *buf++); - mmiowb(); spin_unlock_irqrestore(&mmio_priv->reg_lock, flags); return 0; diff --git a/drivers/net/ethernet/wiznet/w5300.c b/drivers/net/ethernet/wiznet/w5300.c index f9da5d6172e3..3f03eecc0479 100644 --- a/drivers/net/ethernet/wiznet/w5300.c +++ b/drivers/net/ethernet/wiznet/w5300.c @@ -141,7 +141,6 @@ static u16 w5300_read_indirect(struct w5300_priv *priv, u16 addr) spin_lock_irqsave(&priv->reg_lock, flags); w5300_write_direct(priv, W5300_IDM_AR, addr); - mmiowb(); data = w5300_read_direct(priv, W5300_IDM_DR); spin_unlock_irqrestore(&priv->reg_lock, flags); @@ -154,9 +153,7 @@ static void w5300_write_indirect(struct w5300_priv *priv, u16 addr, u16 data) spin_lock_irqsave(&priv->reg_lock, flags); w5300_write_direct(priv, W5300_IDM_AR, addr); - mmiowb(); w5300_write_direct(priv, W5300_IDM_DR, data); - mmiowb(); spin_unlock_irqrestore(&priv->reg_lock, flags); } @@ -192,7 +189,6 @@ static int w5300_command(struct w5300_priv *priv, u16 cmd) unsigned long timeout = jiffies + msecs_to_jiffies(100); w5300_write(priv, W5300_S0_CR, cmd); - mmiowb(); while (w5300_read(priv, W5300_S0_CR) != 0) { if (time_after(jiffies, timeout)) @@ -241,18 +237,15 @@ static void w5300_write_macaddr(struct w5300_priv *priv) w5300_write(priv, W5300_SHARH, ndev->dev_addr[4] << 8 | ndev->dev_addr[5]); - mmiowb(); } static void w5300_hw_reset(struct w5300_priv *priv) { w5300_write_direct(priv, W5300_MR, MR_RST); - mmiowb(); mdelay(5); w5300_write_direct(priv, W5300_MR, priv->indirect ? MR_WDF(7) | MR_PB | MR_IND : MR_WDF(7) | MR_PB); - mmiowb(); w5300_write(priv, W5300_IMR, 0); w5300_write_macaddr(priv); @@ -264,24 +257,20 @@ static void w5300_hw_reset(struct w5300_priv *priv) w5300_write32(priv, W5300_TMSRL, 64 << 24); w5300_write32(priv, W5300_TMSRH, 0); w5300_write(priv, W5300_MTYPE, 0x00ff); - mmiowb(); } static void w5300_hw_start(struct w5300_priv *priv) { w5300_write(priv, W5300_S0_MR, priv->promisc ? S0_MR_MACRAW : S0_MR_MACRAW_MF); - mmiowb(); w5300_command(priv, S0_CR_OPEN); w5300_write(priv, W5300_S0_IMR, S0_IR_RECV | S0_IR_SENDOK); w5300_write(priv, W5300_IMR, IR_S0); - mmiowb(); } static void w5300_hw_close(struct w5300_priv *priv) { w5300_write(priv, W5300_IMR, 0); - mmiowb(); w5300_command(priv, S0_CR_CLOSE); } @@ -372,7 +361,6 @@ static netdev_tx_t w5300_start_tx(struct sk_buff *skb, struct net_device *ndev) netif_stop_queue(ndev); w5300_write_frame(priv, skb->data, skb->len); - mmiowb(); ndev->stats.tx_packets++; ndev->stats.tx_bytes += skb->len; dev_kfree_skb(skb); @@ -419,7 +407,6 @@ static int w5300_napi_poll(struct napi_struct *napi, int budget) if (rx_count < budget) { napi_complete_done(napi, rx_count); w5300_write(priv, W5300_IMR, IR_S0); - mmiowb(); } return rx_count; @@ -434,7 +421,6 @@ static irqreturn_t w5300_interrupt(int irq, void *ndev_instance) if (!ir) return IRQ_NONE; w5300_write(priv, W5300_S0_IR, ir); - mmiowb(); if (ir & S0_IR_SENDOK) { netif_dbg(priv, tx_done, ndev, "tx done\n"); @@ -444,7 +430,6 @@ static irqreturn_t w5300_interrupt(int irq, void *ndev_instance) if (ir & S0_IR_RECV) { if (napi_schedule_prep(&priv->napi)) { w5300_write(priv, W5300_IMR, 0); - mmiowb(); __napi_schedule(&priv->napi); } } diff --git a/drivers/net/hyperv/hyperv_net.h b/drivers/net/hyperv/hyperv_net.h index e859ae2e42d5..49f41b64077b 100644 --- a/drivers/net/hyperv/hyperv_net.h +++ b/drivers/net/hyperv/hyperv_net.h @@ -987,6 +987,7 @@ struct netvsc_device { wait_queue_head_t wait_drain; bool destroy; + bool tx_disable; /* if true, do not wake up queue again */ /* Receive buffer allocated by us but manages by NetVSP */ void *recv_buf; diff --git a/drivers/net/hyperv/netvsc.c b/drivers/net/hyperv/netvsc.c index 813d195bbd57..e0dce373cdd9 100644 --- a/drivers/net/hyperv/netvsc.c +++ b/drivers/net/hyperv/netvsc.c @@ -110,6 +110,7 @@ static struct netvsc_device *alloc_net_device(void) init_waitqueue_head(&net_device->wait_drain); net_device->destroy = false; + net_device->tx_disable = false; net_device->max_pkt = RNDIS_MAX_PKT_DEFAULT; net_device->pkt_align = RNDIS_PKT_ALIGN_DEFAULT; @@ -719,7 +720,7 @@ static void netvsc_send_tx_complete(struct net_device *ndev, } else { struct netdev_queue *txq = netdev_get_tx_queue(ndev, q_idx); - if (netif_tx_queue_stopped(txq) && + if (netif_tx_queue_stopped(txq) && !net_device->tx_disable && (hv_get_avail_to_write_percent(&channel->outbound) > RING_AVAIL_PERCENT_HIWATER || queue_sends < 1)) { netif_tx_wake_queue(txq); @@ -874,7 +875,8 @@ static inline int netvsc_send_pkt( } else if (ret == -EAGAIN) { netif_tx_stop_queue(txq); ndev_ctx->eth_stats.stop_queue++; - if (atomic_read(&nvchan->queue_sends) < 1) { + if (atomic_read(&nvchan->queue_sends) < 1 && + !net_device->tx_disable) { netif_tx_wake_queue(txq); ndev_ctx->eth_stats.wake_queue++; ret = -ENOSPC; diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c index cf4897043e83..b20fb0fb595b 100644 --- a/drivers/net/hyperv/netvsc_drv.c +++ b/drivers/net/hyperv/netvsc_drv.c @@ -109,6 +109,15 @@ static void netvsc_set_rx_mode(struct net_device *net) rcu_read_unlock(); } +static void netvsc_tx_enable(struct netvsc_device *nvscdev, + struct net_device *ndev) +{ + nvscdev->tx_disable = false; + virt_wmb(); /* ensure queue wake up mechanism is on */ + + netif_tx_wake_all_queues(ndev); +} + static int netvsc_open(struct net_device *net) { struct net_device_context *ndev_ctx = netdev_priv(net); @@ -129,7 +138,7 @@ static int netvsc_open(struct net_device *net) rdev = nvdev->extension; if (!rdev->link_state) { netif_carrier_on(net); - netif_tx_wake_all_queues(net); + netvsc_tx_enable(nvdev, net); } if (vf_netdev) { @@ -184,6 +193,17 @@ static int netvsc_wait_until_empty(struct netvsc_device *nvdev) } } +static void netvsc_tx_disable(struct netvsc_device *nvscdev, + struct net_device *ndev) +{ + if (nvscdev) { + nvscdev->tx_disable = true; + virt_wmb(); /* ensure txq will not wake up after stop */ + } + + netif_tx_disable(ndev); +} + static int netvsc_close(struct net_device *net) { struct net_device_context *net_device_ctx = netdev_priv(net); @@ -192,7 +212,7 @@ static int netvsc_close(struct net_device *net) struct netvsc_device *nvdev = rtnl_dereference(net_device_ctx->nvdev); int ret; - netif_tx_disable(net); + netvsc_tx_disable(nvdev, net); /* No need to close rndis filter if it is removed already */ if (!nvdev) @@ -920,7 +940,7 @@ static int netvsc_detach(struct net_device *ndev, /* If device was up (receiving) then shutdown */ if (netif_running(ndev)) { - netif_tx_disable(ndev); + netvsc_tx_disable(nvdev, ndev); ret = rndis_filter_close(nvdev); if (ret) { @@ -1908,7 +1928,7 @@ static void netvsc_link_change(struct work_struct *w) if (rdev->link_state) { rdev->link_state = false; netif_carrier_on(net); - netif_tx_wake_all_queues(net); + netvsc_tx_enable(net_device, net); } else { notify = true; } @@ -1918,7 +1938,7 @@ static void netvsc_link_change(struct work_struct *w) if (!rdev->link_state) { rdev->link_state = true; netif_carrier_off(net); - netif_tx_stop_all_queues(net); + netvsc_tx_disable(net_device, net); } kfree(event); break; @@ -1927,7 +1947,7 @@ static void netvsc_link_change(struct work_struct *w) if (!rdev->link_state) { rdev->link_state = true; netif_carrier_off(net); - netif_tx_stop_all_queues(net); + netvsc_tx_disable(net_device, net); event->event = RNDIS_STATUS_MEDIA_CONNECT; spin_lock_irqsave(&ndev_ctx->lock, flags); list_add(&event->list, &ndev_ctx->reconfig_events); diff --git a/drivers/net/ieee802154/mcr20a.c b/drivers/net/ieee802154/mcr20a.c index c589f5ae75bb..8bb53ec8d9cf 100644 --- a/drivers/net/ieee802154/mcr20a.c +++ b/drivers/net/ieee802154/mcr20a.c @@ -533,6 +533,8 @@ mcr20a_start(struct ieee802154_hw *hw) dev_dbg(printdev(lp), "no slotted operation\n"); ret = regmap_update_bits(lp->regmap_dar, DAR_PHY_CTRL1, DAR_PHY_CTRL1_SLOTTED, 0x0); + if (ret < 0) + return ret; /* enable irq */ enable_irq(lp->spi->irq); @@ -540,11 +542,15 @@ mcr20a_start(struct ieee802154_hw *hw) /* Unmask SEQ interrupt */ ret = regmap_update_bits(lp->regmap_dar, DAR_PHY_CTRL2, DAR_PHY_CTRL2_SEQMSK, 0x0); + if (ret < 0) + return ret; /* Start the RX sequence */ dev_dbg(printdev(lp), "start the RX sequence\n"); ret = regmap_update_bits(lp->regmap_dar, DAR_PHY_CTRL1, DAR_PHY_CTRL1_XCVSEQ_MASK, MCR20A_XCVSEQ_RX); + if (ret < 0) + return ret; return 0; } diff --git a/drivers/net/phy/marvell.c b/drivers/net/phy/marvell.c index 3ccba37bd6dd..f76c4048b978 100644 --- a/drivers/net/phy/marvell.c +++ b/drivers/net/phy/marvell.c @@ -1489,9 +1489,10 @@ static int marvell_get_sset_count(struct phy_device *phydev) static void marvell_get_strings(struct phy_device *phydev, u8 *data) { + int count = marvell_get_sset_count(phydev); int i; - for (i = 0; i < ARRAY_SIZE(marvell_hw_stats); i++) { + for (i = 0; i < count; i++) { strlcpy(data + i * ETH_GSTRING_LEN, marvell_hw_stats[i].string, ETH_GSTRING_LEN); } @@ -1519,9 +1520,10 @@ static u64 marvell_get_stat(struct phy_device *phydev, int i) static void marvell_get_stats(struct phy_device *phydev, struct ethtool_stats *stats, u64 *data) { + int count = marvell_get_sset_count(phydev); int i; - for (i = 0; i < ARRAY_SIZE(marvell_hw_stats); i++) + for (i = 0; i < count; i++) data[i] = marvell_get_stat(phydev, i); } diff --git a/drivers/net/phy/spi_ks8995.c b/drivers/net/phy/spi_ks8995.c index 92b64e254b44..7475cef17cf7 100644 --- a/drivers/net/phy/spi_ks8995.c +++ b/drivers/net/phy/spi_ks8995.c @@ -159,6 +159,14 @@ static const struct spi_device_id ks8995_id[] = { }; MODULE_DEVICE_TABLE(spi, ks8995_id); +static const struct of_device_id ks8895_spi_of_match[] = { + { .compatible = "micrel,ks8995" }, + { .compatible = "micrel,ksz8864" }, + { .compatible = "micrel,ksz8795" }, + { }, + }; +MODULE_DEVICE_TABLE(of, ks8895_spi_of_match); + static inline u8 get_chip_id(u8 val) { return (val >> ID1_CHIPID_S) & ID1_CHIPID_M; @@ -526,6 +534,7 @@ static int ks8995_remove(struct spi_device *spi) static struct spi_driver ks8995_driver = { .driver = { .name = "spi-ks8995", + .of_match_table = of_match_ptr(ks8895_spi_of_match), }, .probe = ks8995_probe, .remove = ks8995_remove, diff --git a/drivers/net/slip/slhc.c b/drivers/net/slip/slhc.c index f4e93f5fc204..ea90db3c7705 100644 --- a/drivers/net/slip/slhc.c +++ b/drivers/net/slip/slhc.c @@ -153,7 +153,7 @@ out_fail: void slhc_free(struct slcompress *comp) { - if ( comp == NULLSLCOMPR ) + if ( IS_ERR_OR_NULL(comp) ) return; if ( comp->tstate != NULLSLSTATE ) diff --git a/drivers/net/team/team.c b/drivers/net/team/team.c index 6ed96fdfd96d..16963f7a88f7 100644 --- a/drivers/net/team/team.c +++ b/drivers/net/team/team.c @@ -1156,6 +1156,13 @@ static int team_port_add(struct team *team, struct net_device *port_dev, return -EINVAL; } + if (netdev_has_upper_dev(dev, port_dev)) { + NL_SET_ERR_MSG(extack, "Device is already an upper device of the team interface"); + netdev_err(dev, "Device %s is already an upper device of the team interface\n", + portname); + return -EBUSY; + } + if (port_dev->features & NETIF_F_VLAN_CHALLENGED && vlan_uses_dev(dev)) { NL_SET_ERR_MSG(extack, "Device is VLAN challenged and team device has VLAN set up"); @@ -1246,6 +1253,23 @@ static int team_port_add(struct team *team, struct net_device *port_dev, goto err_option_port_add; } + /* set promiscuity level to new slave */ + if (dev->flags & IFF_PROMISC) { + err = dev_set_promiscuity(port_dev, 1); + if (err) + goto err_set_slave_promisc; + } + + /* set allmulti level to new slave */ + if (dev->flags & IFF_ALLMULTI) { + err = dev_set_allmulti(port_dev, 1); + if (err) { + if (dev->flags & IFF_PROMISC) + dev_set_promiscuity(port_dev, -1); + goto err_set_slave_promisc; + } + } + netif_addr_lock_bh(dev); dev_uc_sync_multiple(port_dev, dev); dev_mc_sync_multiple(port_dev, dev); @@ -1262,6 +1286,9 @@ static int team_port_add(struct team *team, struct net_device *port_dev, return 0; +err_set_slave_promisc: + __team_option_inst_del_port(team, port); + err_option_port_add: team_upper_dev_unlink(team, port); @@ -1307,6 +1334,12 @@ static int team_port_del(struct team *team, struct net_device *port_dev) team_port_disable(team, port); list_del_rcu(&port->list); + + if (dev->flags & IFF_PROMISC) + dev_set_promiscuity(port_dev, -1); + if (dev->flags & IFF_ALLMULTI) + dev_set_allmulti(port_dev, -1); + team_upper_dev_unlink(team, port); netdev_rx_handler_unregister(port_dev); team_port_disable_netpoll(port); diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c index 74bebbdb4b15..679e404a5224 100644 --- a/drivers/net/usb/qmi_wwan.c +++ b/drivers/net/usb/qmi_wwan.c @@ -1122,9 +1122,16 @@ static const struct usb_device_id products[] = { {QMI_FIXED_INTF(0x0846, 0x68d3, 8)}, /* Netgear Aircard 779S */ {QMI_FIXED_INTF(0x12d1, 0x140c, 1)}, /* Huawei E173 */ {QMI_FIXED_INTF(0x12d1, 0x14ac, 1)}, /* Huawei E1820 */ + {QMI_FIXED_INTF(0x1435, 0x0918, 3)}, /* Wistron NeWeb D16Q1 */ + {QMI_FIXED_INTF(0x1435, 0x0918, 4)}, /* Wistron NeWeb D16Q1 */ + {QMI_FIXED_INTF(0x1435, 0x0918, 5)}, /* Wistron NeWeb D16Q1 */ + {QMI_FIXED_INTF(0x1435, 0x3185, 4)}, /* Wistron NeWeb M18Q5 */ + {QMI_FIXED_INTF(0x1435, 0xd111, 4)}, /* M9615A DM11-1 D51QC */ {QMI_FIXED_INTF(0x1435, 0xd181, 3)}, /* Wistron NeWeb D18Q1 */ {QMI_FIXED_INTF(0x1435, 0xd181, 4)}, /* Wistron NeWeb D18Q1 */ {QMI_FIXED_INTF(0x1435, 0xd181, 5)}, /* Wistron NeWeb D18Q1 */ + {QMI_FIXED_INTF(0x1435, 0xd182, 4)}, /* Wistron NeWeb D18 */ + {QMI_FIXED_INTF(0x1435, 0xd182, 5)}, /* Wistron NeWeb D18 */ {QMI_FIXED_INTF(0x1435, 0xd191, 4)}, /* Wistron NeWeb D19Q1 */ {QMI_QUIRK_SET_DTR(0x1508, 0x1001, 4)}, /* Fibocom NL668 series */ {QMI_FIXED_INTF(0x16d8, 0x6003, 0)}, /* CMOTech 6003 */ @@ -1180,6 +1187,7 @@ static const struct usb_device_id products[] = { {QMI_FIXED_INTF(0x19d2, 0x0265, 4)}, /* ONDA MT8205 4G LTE */ {QMI_FIXED_INTF(0x19d2, 0x0284, 4)}, /* ZTE MF880 */ {QMI_FIXED_INTF(0x19d2, 0x0326, 4)}, /* ZTE MF821D */ + {QMI_FIXED_INTF(0x19d2, 0x0396, 3)}, /* ZTE ZM8620 */ {QMI_FIXED_INTF(0x19d2, 0x0412, 4)}, /* Telewell TW-LTE 4G */ {QMI_FIXED_INTF(0x19d2, 0x1008, 4)}, /* ZTE (Vodafone) K3570-Z */ {QMI_FIXED_INTF(0x19d2, 0x1010, 4)}, /* ZTE (Vodafone) K3571-Z */ @@ -1200,9 +1208,12 @@ static const struct usb_device_id products[] = { {QMI_FIXED_INTF(0x19d2, 0x1425, 2)}, {QMI_FIXED_INTF(0x19d2, 0x1426, 2)}, /* ZTE MF91 */ {QMI_FIXED_INTF(0x19d2, 0x1428, 2)}, /* Telewell TW-LTE 4G v2 */ + {QMI_FIXED_INTF(0x19d2, 0x1432, 3)}, /* ZTE ME3620 */ {QMI_FIXED_INTF(0x19d2, 0x2002, 4)}, /* ZTE (Vodafone) K3765-Z */ + {QMI_FIXED_INTF(0x2001, 0x7e16, 3)}, /* D-Link DWM-221 */ {QMI_FIXED_INTF(0x2001, 0x7e19, 4)}, /* D-Link DWM-221 B1 */ {QMI_FIXED_INTF(0x2001, 0x7e35, 4)}, /* D-Link DWM-222 */ + {QMI_FIXED_INTF(0x2020, 0x2031, 4)}, /* Olicard 600 */ {QMI_FIXED_INTF(0x2020, 0x2033, 4)}, /* BroadMobi BM806U */ {QMI_FIXED_INTF(0x0f3d, 0x68a2, 8)}, /* Sierra Wireless MC7700 */ {QMI_FIXED_INTF(0x114f, 0x68a2, 8)}, /* Sierra Wireless MC7750 */ diff --git a/drivers/net/vrf.c b/drivers/net/vrf.c index 7c1430ed0244..9ee4d7402ca2 100644 --- a/drivers/net/vrf.c +++ b/drivers/net/vrf.c @@ -875,6 +875,7 @@ static const struct net_device_ops vrf_netdev_ops = { .ndo_init = vrf_dev_init, .ndo_uninit = vrf_dev_uninit, .ndo_start_xmit = vrf_xmit, + .ndo_set_mac_address = eth_mac_addr, .ndo_get_stats64 = vrf_get_stats64, .ndo_add_slave = vrf_add_slave, .ndo_del_slave = vrf_del_slave, @@ -1273,9 +1274,15 @@ static void vrf_setup(struct net_device *dev) /* default to no qdisc; user can add if desired */ dev->priv_flags |= IFF_NO_QUEUE; + dev->priv_flags |= IFF_NO_RX_HANDLER; + dev->priv_flags |= IFF_LIVE_ADDR_CHANGE; - dev->min_mtu = 0; - dev->max_mtu = 0; + /* VRF devices do not care about MTU, but if the MTU is set + * too low then the ipv4 and ipv6 protocols are disabled + * which breaks networking. + */ + dev->min_mtu = IPV6_MIN_MTU; + dev->max_mtu = ETH_MAX_MTU; } static int vrf_validate(struct nlattr *tb[], struct nlattr *data[], diff --git a/drivers/net/wireless/ath/ath10k/ce.c b/drivers/net/wireless/ath/ath10k/ce.c index 24b983edb357..eca87f7c5b6c 100644 --- a/drivers/net/wireless/ath/ath10k/ce.c +++ b/drivers/net/wireless/ath/ath10k/ce.c @@ -1855,7 +1855,7 @@ void ath10k_ce_dump_registers(struct ath10k *ar, struct ath10k_ce_crash_data ce_data; u32 addr, id; - lockdep_assert_held(&ar->data_lock); + lockdep_assert_held(&ar->dump_mutex); ath10k_err(ar, "Copy Engine register dump:\n"); diff --git a/drivers/net/wireless/ath/ath10k/core.c b/drivers/net/wireless/ath/ath10k/core.c index 835b8de92d55..aff585658fc0 100644 --- a/drivers/net/wireless/ath/ath10k/core.c +++ b/drivers/net/wireless/ath/ath10k/core.c @@ -3119,6 +3119,7 @@ struct ath10k *ath10k_core_create(size_t priv_size, struct device *dev, goto err_free_wq; mutex_init(&ar->conf_mutex); + mutex_init(&ar->dump_mutex); spin_lock_init(&ar->data_lock); INIT_LIST_HEAD(&ar->peers); diff --git a/drivers/net/wireless/ath/ath10k/core.h b/drivers/net/wireless/ath/ath10k/core.h index e08a17b01e03..e35aae5146f1 100644 --- a/drivers/net/wireless/ath/ath10k/core.h +++ b/drivers/net/wireless/ath/ath10k/core.h @@ -1063,6 +1063,9 @@ struct ath10k { /* prevents concurrent FW reconfiguration */ struct mutex conf_mutex; + /* protects coredump data */ + struct mutex dump_mutex; + /* protects shared structure data */ spinlock_t data_lock; diff --git a/drivers/net/wireless/ath/ath10k/coredump.c b/drivers/net/wireless/ath/ath10k/coredump.c index 33838d9c1cb6..45a355fb62b9 100644 --- a/drivers/net/wireless/ath/ath10k/coredump.c +++ b/drivers/net/wireless/ath/ath10k/coredump.c @@ -1102,7 +1102,7 @@ struct ath10k_fw_crash_data *ath10k_coredump_new(struct ath10k *ar) { struct ath10k_fw_crash_data *crash_data = ar->coredump.fw_crash_data; - lockdep_assert_held(&ar->data_lock); + lockdep_assert_held(&ar->dump_mutex); if (ath10k_coredump_mask == 0) /* coredump disabled */ @@ -1146,7 +1146,7 @@ static struct ath10k_dump_file_data *ath10k_coredump_build(struct ath10k *ar) if (!buf) return NULL; - spin_lock_bh(&ar->data_lock); + mutex_lock(&ar->dump_mutex); dump_data = (struct ath10k_dump_file_data *)(buf); strlcpy(dump_data->df_magic, "ATH10K-FW-DUMP", @@ -1213,7 +1213,7 @@ static struct ath10k_dump_file_data *ath10k_coredump_build(struct ath10k *ar) sofar += sizeof(*dump_tlv) + crash_data->ramdump_buf_len; } - spin_unlock_bh(&ar->data_lock); + mutex_unlock(&ar->dump_mutex); return dump_data; } diff --git a/drivers/net/wireless/ath/ath10k/htt_rx.c b/drivers/net/wireless/ath/ath10k/htt_rx.c index a20ea270d519..1acc622d2183 100644 --- a/drivers/net/wireless/ath/ath10k/htt_rx.c +++ b/drivers/net/wireless/ath/ath10k/htt_rx.c @@ -2728,7 +2728,7 @@ static void ath10k_htt_rx_tx_fetch_ind(struct ath10k *ar, struct sk_buff *skb) num_msdus++; num_bytes += ret; } - ieee80211_return_txq(hw, txq); + ieee80211_return_txq(hw, txq, false); ieee80211_txq_schedule_end(hw, txq->ac); record->num_msdus = cpu_to_le16(num_msdus); diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c index b73c23d4ce86..9c703d287333 100644 --- a/drivers/net/wireless/ath/ath10k/mac.c +++ b/drivers/net/wireless/ath/ath10k/mac.c @@ -4089,7 +4089,7 @@ static int ath10k_mac_schedule_txq(struct ieee80211_hw *hw, u32 ac) if (ret < 0) break; } - ieee80211_return_txq(hw, txq); + ieee80211_return_txq(hw, txq, false); ath10k_htt_tx_txq_update(hw, txq); if (ret == -EBUSY) break; @@ -4374,7 +4374,7 @@ static void ath10k_mac_op_wake_tx_queue(struct ieee80211_hw *hw, if (ret < 0) break; } - ieee80211_return_txq(hw, txq); + ieee80211_return_txq(hw, txq, false); ath10k_htt_tx_txq_update(hw, txq); out: ieee80211_txq_schedule_end(hw, ac); @@ -5774,7 +5774,7 @@ static void ath10k_bss_info_changed(struct ieee80211_hw *hw, } if (changed & BSS_CHANGED_MCAST_RATE && - !WARN_ON(ath10k_mac_vif_chan(arvif->vif, &def))) { + !ath10k_mac_vif_chan(arvif->vif, &def)) { band = def.chan->band; rateidx = vif->bss_conf.mcast_rate[band] - 1; @@ -5812,7 +5812,7 @@ static void ath10k_bss_info_changed(struct ieee80211_hw *hw, } if (changed & BSS_CHANGED_BASIC_RATES) { - if (WARN_ON(ath10k_mac_vif_chan(vif, &def))) { + if (ath10k_mac_vif_chan(vif, &def)) { mutex_unlock(&ar->conf_mutex); return; } diff --git a/drivers/net/wireless/ath/ath10k/pci.c b/drivers/net/wireless/ath/ath10k/pci.c index 271f92c24d44..2c27f407a851 100644 --- a/drivers/net/wireless/ath/ath10k/pci.c +++ b/drivers/net/wireless/ath/ath10k/pci.c @@ -1441,7 +1441,7 @@ static void ath10k_pci_dump_registers(struct ath10k *ar, __le32 reg_dump_values[REG_DUMP_COUNT_QCA988X] = {}; int i, ret; - lockdep_assert_held(&ar->data_lock); + lockdep_assert_held(&ar->dump_mutex); ret = ath10k_pci_diag_read_hi(ar, ®_dump_values[0], hi_failure_state, @@ -1656,7 +1656,7 @@ static void ath10k_pci_dump_memory(struct ath10k *ar, int ret, i; u8 *buf; - lockdep_assert_held(&ar->data_lock); + lockdep_assert_held(&ar->dump_mutex); if (!crash_data) return; @@ -1734,14 +1734,19 @@ static void ath10k_pci_dump_memory(struct ath10k *ar, } } -static void ath10k_pci_fw_crashed_dump(struct ath10k *ar) +static void ath10k_pci_fw_dump_work(struct work_struct *work) { + struct ath10k_pci *ar_pci = container_of(work, struct ath10k_pci, + dump_work); struct ath10k_fw_crash_data *crash_data; + struct ath10k *ar = ar_pci->ar; char guid[UUID_STRING_LEN + 1]; - spin_lock_bh(&ar->data_lock); + mutex_lock(&ar->dump_mutex); + spin_lock_bh(&ar->data_lock); ar->stats.fw_crash_counter++; + spin_unlock_bh(&ar->data_lock); crash_data = ath10k_coredump_new(ar); @@ -1756,11 +1761,18 @@ static void ath10k_pci_fw_crashed_dump(struct ath10k *ar) ath10k_ce_dump_registers(ar, crash_data); ath10k_pci_dump_memory(ar, crash_data); - spin_unlock_bh(&ar->data_lock); + mutex_unlock(&ar->dump_mutex); queue_work(ar->workqueue, &ar->restart_work); } +static void ath10k_pci_fw_crashed_dump(struct ath10k *ar) +{ + struct ath10k_pci *ar_pci = ath10k_pci_priv(ar); + + queue_work(ar->workqueue, &ar_pci->dump_work); +} + void ath10k_pci_hif_send_complete_check(struct ath10k *ar, u8 pipe, int force) { @@ -3442,6 +3454,8 @@ int ath10k_pci_setup_resource(struct ath10k *ar) spin_lock_init(&ar_pci->ps_lock); mutex_init(&ar_pci->ce_diag_mutex); + INIT_WORK(&ar_pci->dump_work, ath10k_pci_fw_dump_work); + timer_setup(&ar_pci->rx_post_retry, ath10k_pci_rx_replenish_retry, 0); if (QCA_REV_6174(ar) || QCA_REV_9377(ar)) diff --git a/drivers/net/wireless/ath/ath10k/pci.h b/drivers/net/wireless/ath/ath10k/pci.h index 3773c79f322f..4455ed6c5275 100644 --- a/drivers/net/wireless/ath/ath10k/pci.h +++ b/drivers/net/wireless/ath/ath10k/pci.h @@ -121,6 +121,8 @@ struct ath10k_pci { /* For protecting ce_diag */ struct mutex ce_diag_mutex; + struct work_struct dump_work; + struct ath10k_ce ce; struct timer_list rx_post_retry; diff --git a/drivers/net/wireless/ath/ath5k/base.c b/drivers/net/wireless/ath/ath5k/base.c index a2351ef45ae0..65a4c142640d 100644 --- a/drivers/net/wireless/ath/ath5k/base.c +++ b/drivers/net/wireless/ath/ath5k/base.c @@ -837,7 +837,6 @@ ath5k_txbuf_setup(struct ath5k_hw *ah, struct ath5k_buf *bf, txq->link = &ds->ds_link; ath5k_hw_start_tx_dma(ah, txq->qnum); - mmiowb(); spin_unlock_bh(&txq->lock); return 0; @@ -2174,7 +2173,6 @@ ath5k_beacon_config(struct ath5k_hw *ah) } ath5k_hw_set_imr(ah, ah->imask); - mmiowb(); spin_unlock_bh(&ah->block); } @@ -2779,7 +2777,6 @@ int ath5k_start(struct ieee80211_hw *hw) ret = 0; done: - mmiowb(); mutex_unlock(&ah->lock); set_bit(ATH_STAT_STARTED, ah->status); @@ -2839,7 +2836,6 @@ void ath5k_stop(struct ieee80211_hw *hw) "putting device to sleep\n"); } - mmiowb(); mutex_unlock(&ah->lock); ath5k_stop_tasklets(ah); diff --git a/drivers/net/wireless/ath/ath5k/mac80211-ops.c b/drivers/net/wireless/ath/ath5k/mac80211-ops.c index 16e052d02c94..5e866a193ed0 100644 --- a/drivers/net/wireless/ath/ath5k/mac80211-ops.c +++ b/drivers/net/wireless/ath/ath5k/mac80211-ops.c @@ -263,7 +263,6 @@ ath5k_bss_info_changed(struct ieee80211_hw *hw, struct ieee80211_vif *vif, memcpy(common->curbssid, bss_conf->bssid, ETH_ALEN); common->curaid = 0; ath5k_hw_set_bssid(ah); - mmiowb(); } if (changes & BSS_CHANGED_BEACON_INT) @@ -528,7 +527,6 @@ ath5k_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, ret = -EINVAL; } - mmiowb(); mutex_unlock(&ah->lock); return ret; } diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c index 773d428ff1b0..b17e1ca40995 100644 --- a/drivers/net/wireless/ath/ath9k/xmit.c +++ b/drivers/net/wireless/ath/ath9k/xmit.c @@ -1938,12 +1938,15 @@ void ath_txq_schedule(struct ath_softc *sc, struct ath_txq *txq) goto out; while ((queue = ieee80211_next_txq(hw, txq->mac80211_qnum))) { + bool force; + tid = (struct ath_atx_tid *)queue->drv_priv; ret = ath_tx_sched_aggr(sc, txq, tid); ath_dbg(common, QUEUE, "ath_tx_sched_aggr returned %d\n", ret); - ieee80211_return_txq(hw, queue); + force = !skb_queue_empty(&tid->retry_q); + ieee80211_return_txq(hw, queue, force); } out: diff --git a/drivers/net/wireless/broadcom/b43/main.c b/drivers/net/wireless/broadcom/b43/main.c index 74be3c809225..4c7980f84591 100644 --- a/drivers/net/wireless/broadcom/b43/main.c +++ b/drivers/net/wireless/broadcom/b43/main.c @@ -485,7 +485,6 @@ static void b43_ram_write(struct b43_wldev *dev, u16 offset, u32 val) val = swab32(val); b43_write32(dev, B43_MMIO_RAM_CONTROL, offset); - mmiowb(); b43_write32(dev, B43_MMIO_RAM_DATA, val); } @@ -656,9 +655,7 @@ static void b43_tsf_write_locked(struct b43_wldev *dev, u64 tsf) /* The hardware guarantees us an atomic write, if we * write the low register first. */ b43_write32(dev, B43_MMIO_REV3PLUS_TSF_LOW, low); - mmiowb(); b43_write32(dev, B43_MMIO_REV3PLUS_TSF_HIGH, high); - mmiowb(); } void b43_tsf_write(struct b43_wldev *dev, u64 tsf) @@ -1822,11 +1819,9 @@ static void b43_beacon_update_trigger_work(struct work_struct *work) if (b43_bus_host_is_sdio(dev->dev)) { /* wl->mutex is enough. */ b43_do_beacon_update_trigger_work(dev); - mmiowb(); } else { spin_lock_irq(&wl->hardirq_lock); b43_do_beacon_update_trigger_work(dev); - mmiowb(); spin_unlock_irq(&wl->hardirq_lock); } } @@ -2078,7 +2073,6 @@ static irqreturn_t b43_interrupt_thread_handler(int irq, void *dev_id) mutex_lock(&dev->wl->mutex); b43_do_interrupt_thread(dev); - mmiowb(); mutex_unlock(&dev->wl->mutex); return IRQ_HANDLED; @@ -2143,7 +2137,6 @@ static irqreturn_t b43_interrupt_handler(int irq, void *dev_id) spin_lock(&dev->wl->hardirq_lock); ret = b43_do_interrupt(dev); - mmiowb(); spin_unlock(&dev->wl->hardirq_lock); return ret; diff --git a/drivers/net/wireless/broadcom/b43/sysfs.c b/drivers/net/wireless/broadcom/b43/sysfs.c index 3190493bd07f..93d03b673670 100644 --- a/drivers/net/wireless/broadcom/b43/sysfs.c +++ b/drivers/net/wireless/broadcom/b43/sysfs.c @@ -129,7 +129,6 @@ static ssize_t b43_attr_interfmode_store(struct device *dev, } else err = -ENOSYS; - mmiowb(); mutex_unlock(&wldev->wl->mutex); return err ? err : count; diff --git a/drivers/net/wireless/broadcom/b43legacy/ilt.c b/drivers/net/wireless/broadcom/b43legacy/ilt.c index ee5682e54204..6d15fb4d30c6 100644 --- a/drivers/net/wireless/broadcom/b43legacy/ilt.c +++ b/drivers/net/wireless/broadcom/b43legacy/ilt.c @@ -315,14 +315,12 @@ const u16 b43legacy_ilt_sigmasqr2[B43legacy_ILT_SIGMASQR_SIZE] = { void b43legacy_ilt_write(struct b43legacy_wldev *dev, u16 offset, u16 val) { b43legacy_phy_write(dev, B43legacy_PHY_ILT_G_CTRL, offset); - mmiowb(); b43legacy_phy_write(dev, B43legacy_PHY_ILT_G_DATA1, val); } void b43legacy_ilt_write32(struct b43legacy_wldev *dev, u16 offset, u32 val) { b43legacy_phy_write(dev, B43legacy_PHY_ILT_G_CTRL, offset); - mmiowb(); b43legacy_phy_write(dev, B43legacy_PHY_ILT_G_DATA2, (val & 0xFFFF0000) >> 16); b43legacy_phy_write(dev, B43legacy_PHY_ILT_G_DATA1, diff --git a/drivers/net/wireless/broadcom/b43legacy/main.c b/drivers/net/wireless/broadcom/b43legacy/main.c index 55f411925960..c777efc6dc13 100644 --- a/drivers/net/wireless/broadcom/b43legacy/main.c +++ b/drivers/net/wireless/broadcom/b43legacy/main.c @@ -264,7 +264,6 @@ static void b43legacy_ram_write(struct b43legacy_wldev *dev, u16 offset, val = swab32(val); b43legacy_write32(dev, B43legacy_MMIO_RAM_CONTROL, offset); - mmiowb(); b43legacy_write32(dev, B43legacy_MMIO_RAM_DATA, val); } @@ -341,14 +340,11 @@ void b43legacy_shm_write32(struct b43legacy_wldev *dev, if (offset & 0x0003) { /* Unaligned access */ b43legacy_shm_control_word(dev, routing, offset >> 2); - mmiowb(); b43legacy_write16(dev, B43legacy_MMIO_SHM_DATA_UNALIGNED, (value >> 16) & 0xffff); - mmiowb(); b43legacy_shm_control_word(dev, routing, (offset >> 2) + 1); - mmiowb(); b43legacy_write16(dev, B43legacy_MMIO_SHM_DATA, value & 0xffff); return; @@ -356,7 +352,6 @@ void b43legacy_shm_write32(struct b43legacy_wldev *dev, offset >>= 2; } b43legacy_shm_control_word(dev, routing, offset); - mmiowb(); b43legacy_write32(dev, B43legacy_MMIO_SHM_DATA, value); } @@ -368,7 +363,6 @@ void b43legacy_shm_write16(struct b43legacy_wldev *dev, u16 routing, u16 offset, if (offset & 0x0003) { /* Unaligned access */ b43legacy_shm_control_word(dev, routing, offset >> 2); - mmiowb(); b43legacy_write16(dev, B43legacy_MMIO_SHM_DATA_UNALIGNED, value); @@ -377,7 +371,6 @@ void b43legacy_shm_write16(struct b43legacy_wldev *dev, u16 routing, u16 offset, offset >>= 2; } b43legacy_shm_control_word(dev, routing, offset); - mmiowb(); b43legacy_write16(dev, B43legacy_MMIO_SHM_DATA, value); } @@ -471,7 +464,6 @@ static void b43legacy_time_lock(struct b43legacy_wldev *dev) status = b43legacy_read32(dev, B43legacy_MMIO_MACCTL); status |= B43legacy_MACCTL_TBTTHOLD; b43legacy_write32(dev, B43legacy_MMIO_MACCTL, status); - mmiowb(); } static void b43legacy_time_unlock(struct b43legacy_wldev *dev) @@ -494,10 +486,8 @@ static void b43legacy_tsf_write_locked(struct b43legacy_wldev *dev, u64 tsf) u32 hi = (tsf & 0xFFFFFFFF00000000ULL) >> 32; b43legacy_write32(dev, B43legacy_MMIO_REV3PLUS_TSF_LOW, 0); - mmiowb(); b43legacy_write32(dev, B43legacy_MMIO_REV3PLUS_TSF_HIGH, hi); - mmiowb(); b43legacy_write32(dev, B43legacy_MMIO_REV3PLUS_TSF_LOW, lo); } else { @@ -507,13 +497,9 @@ static void b43legacy_tsf_write_locked(struct b43legacy_wldev *dev, u64 tsf) u16 v3 = (tsf & 0xFFFF000000000000ULL) >> 48; b43legacy_write16(dev, B43legacy_MMIO_TSF_0, 0); - mmiowb(); b43legacy_write16(dev, B43legacy_MMIO_TSF_3, v3); - mmiowb(); b43legacy_write16(dev, B43legacy_MMIO_TSF_2, v2); - mmiowb(); b43legacy_write16(dev, B43legacy_MMIO_TSF_1, v1); - mmiowb(); b43legacy_write16(dev, B43legacy_MMIO_TSF_0, v0); } } @@ -1250,7 +1236,6 @@ static void b43legacy_beacon_update_trigger_work(struct work_struct *work) /* The handler might have updated the IRQ mask. */ b43legacy_write32(dev, B43legacy_MMIO_GEN_IRQ_MASK, dev->irq_mask); - mmiowb(); spin_unlock_irq(&wl->irq_lock); } mutex_unlock(&wl->mutex); @@ -1346,7 +1331,6 @@ static void b43legacy_interrupt_tasklet(struct b43legacy_wldev *dev) dma_reason[2], dma_reason[3], dma_reason[4], dma_reason[5]); b43legacy_controller_restart(dev, "DMA error"); - mmiowb(); spin_unlock_irqrestore(&dev->wl->irq_lock, flags); return; } @@ -1396,7 +1380,6 @@ static void b43legacy_interrupt_tasklet(struct b43legacy_wldev *dev) handle_irq_transmit_status(dev); b43legacy_write32(dev, B43legacy_MMIO_GEN_IRQ_MASK, dev->irq_mask); - mmiowb(); spin_unlock_irqrestore(&dev->wl->irq_lock, flags); } @@ -1488,7 +1471,6 @@ static irqreturn_t b43legacy_interrupt_handler(int irq, void *dev_id) dev->irq_reason = reason; tasklet_schedule(&dev->isr_tasklet); out: - mmiowb(); spin_unlock(&dev->wl->irq_lock); return ret; @@ -2781,7 +2763,6 @@ static int b43legacy_op_dev_config(struct ieee80211_hw *hw, spin_lock_irqsave(&wl->irq_lock, flags); b43legacy_write32(dev, B43legacy_MMIO_GEN_IRQ_MASK, dev->irq_mask); - mmiowb(); spin_unlock_irqrestore(&wl->irq_lock, flags); out_unlock_mutex: mutex_unlock(&wl->mutex); @@ -2900,7 +2881,6 @@ static void b43legacy_op_bss_info_changed(struct ieee80211_hw *hw, spin_lock_irqsave(&wl->irq_lock, flags); b43legacy_write32(dev, B43legacy_MMIO_GEN_IRQ_MASK, dev->irq_mask); /* XXX: why? */ - mmiowb(); spin_unlock_irqrestore(&wl->irq_lock, flags); out_unlock_mutex: mutex_unlock(&wl->mutex); diff --git a/drivers/net/wireless/broadcom/b43legacy/phy.c b/drivers/net/wireless/broadcom/b43legacy/phy.c index 995c7d0c212a..f949766d27ca 100644 --- a/drivers/net/wireless/broadcom/b43legacy/phy.c +++ b/drivers/net/wireless/broadcom/b43legacy/phy.c @@ -134,7 +134,6 @@ u16 b43legacy_phy_read(struct b43legacy_wldev *dev, u16 offset) void b43legacy_phy_write(struct b43legacy_wldev *dev, u16 offset, u16 val) { b43legacy_write16(dev, B43legacy_MMIO_PHY_CONTROL, offset); - mmiowb(); b43legacy_write16(dev, B43legacy_MMIO_PHY_DATA, val); } diff --git a/drivers/net/wireless/broadcom/b43legacy/pio.h b/drivers/net/wireless/broadcom/b43legacy/pio.h index 1cd1b9ca5e9c..08cd02282beb 100644 --- a/drivers/net/wireless/broadcom/b43legacy/pio.h +++ b/drivers/net/wireless/broadcom/b43legacy/pio.h @@ -92,7 +92,6 @@ void b43legacy_pio_write(struct b43legacy_pioqueue *queue, u16 offset, u16 value) { b43legacy_write16(queue->dev, queue->mmio_base + offset, value); - mmiowb(); } diff --git a/drivers/net/wireless/broadcom/b43legacy/radio.c b/drivers/net/wireless/broadcom/b43legacy/radio.c index eab1c9387846..c6db444ea07e 100644 --- a/drivers/net/wireless/broadcom/b43legacy/radio.c +++ b/drivers/net/wireless/broadcom/b43legacy/radio.c @@ -95,7 +95,6 @@ void b43legacy_radio_lock(struct b43legacy_wldev *dev) B43legacy_WARN_ON(status & B43legacy_MACCTL_RADIOLOCK); status |= B43legacy_MACCTL_RADIOLOCK; b43legacy_write32(dev, B43legacy_MMIO_MACCTL, status); - mmiowb(); udelay(10); } @@ -108,7 +107,6 @@ void b43legacy_radio_unlock(struct b43legacy_wldev *dev) B43legacy_WARN_ON(!(status & B43legacy_MACCTL_RADIOLOCK)); status &= ~B43legacy_MACCTL_RADIOLOCK; b43legacy_write32(dev, B43legacy_MMIO_MACCTL, status); - mmiowb(); } u16 b43legacy_radio_read16(struct b43legacy_wldev *dev, u16 offset) @@ -141,7 +139,6 @@ u16 b43legacy_radio_read16(struct b43legacy_wldev *dev, u16 offset) void b43legacy_radio_write16(struct b43legacy_wldev *dev, u16 offset, u16 val) { b43legacy_write16(dev, B43legacy_MMIO_RADIO_CONTROL, offset); - mmiowb(); b43legacy_write16(dev, B43legacy_MMIO_RADIO_DATA_LOW, val); } @@ -333,7 +330,6 @@ u8 b43legacy_radio_aci_scan(struct b43legacy_wldev *dev) void b43legacy_nrssi_hw_write(struct b43legacy_wldev *dev, u16 offset, s16 val) { b43legacy_phy_write(dev, B43legacy_PHY_NRSSILT_CTRL, offset); - mmiowb(); b43legacy_phy_write(dev, B43legacy_PHY_NRSSILT_DATA, (u16)val); } diff --git a/drivers/net/wireless/broadcom/b43legacy/sysfs.c b/drivers/net/wireless/broadcom/b43legacy/sysfs.c index 2a1da15c913b..2db83eec7a11 100644 --- a/drivers/net/wireless/broadcom/b43legacy/sysfs.c +++ b/drivers/net/wireless/broadcom/b43legacy/sysfs.c @@ -143,7 +143,6 @@ static ssize_t b43legacy_attr_interfmode_store(struct device *dev, if (err) b43legacyerr(wldev->wl, "Interference Mitigation not " "supported by device\n"); - mmiowb(); spin_unlock_irqrestore(&wldev->wl->irq_lock, flags); mutex_unlock(&wldev->wl->mutex); diff --git a/drivers/net/wireless/intel/iwlegacy/common.h b/drivers/net/wireless/intel/iwlegacy/common.h index b079c64ca014..986646af8dfd 100644 --- a/drivers/net/wireless/intel/iwlegacy/common.h +++ b/drivers/net/wireless/intel/iwlegacy/common.h @@ -2030,13 +2030,6 @@ static inline void _il_release_nic_access(struct il_priv *il) { _il_clear_bit(il, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ); - /* - * In above we are reading CSR_GP_CNTRL register, what will flush any - * previous writes, but still want write, which clear MAC_ACCESS_REQ - * bit, be performed on PCI bus before any other writes scheduled on - * different CPUs (after we drop reg_lock). - */ - mmiowb(); } static inline u32 diff --git a/drivers/net/wireless/intel/iwlwifi/cfg/22000.c b/drivers/net/wireless/intel/iwlwifi/cfg/22000.c index fdc56f821b5a..0a87d87fbb4f 100644 --- a/drivers/net/wireless/intel/iwlwifi/cfg/22000.c +++ b/drivers/net/wireless/intel/iwlwifi/cfg/22000.c @@ -82,6 +82,7 @@ #define IWL_22000_HR_A0_FW_PRE "iwlwifi-QuQnj-a0-hr-a0-" #define IWL_22000_SU_Z0_FW_PRE "iwlwifi-su-z0-" #define IWL_QU_B_JF_B_FW_PRE "iwlwifi-Qu-b0-jf-b0-" +#define IWL_QUZ_A_HR_B_FW_PRE "iwlwifi-QuZ-a0-hr-b0-" #define IWL_QNJ_B_JF_B_FW_PRE "iwlwifi-QuQnj-b0-jf-b0-" #define IWL_CC_A_FW_PRE "iwlwifi-cc-a0-" #define IWL_22000_SO_A_JF_B_FW_PRE "iwlwifi-so-a0-jf-b0-" @@ -105,8 +106,8 @@ IWL_22000_HR_A0_FW_PRE __stringify(api) ".ucode" #define IWL_22000_SU_Z0_MODULE_FIRMWARE(api) \ IWL_22000_SU_Z0_FW_PRE __stringify(api) ".ucode" -#define IWL_QU_B_JF_B_MODULE_FIRMWARE(api) \ - IWL_QU_B_JF_B_FW_PRE __stringify(api) ".ucode" +#define IWL_QUZ_A_HR_B_MODULE_FIRMWARE(api) \ + IWL_QUZ_A_HR_B_FW_PRE __stringify(api) ".ucode" #define IWL_QU_B_JF_B_MODULE_FIRMWARE(api) \ IWL_QU_B_JF_B_FW_PRE __stringify(api) ".ucode" #define IWL_QNJ_B_JF_B_MODULE_FIRMWARE(api) \ @@ -200,7 +201,7 @@ static const struct iwl_ht_params iwl_22000_ht_params = { #define IWL_DEVICE_AX210 \ IWL_DEVICE_AX200_COMMON, \ .device_family = IWL_DEVICE_FAMILY_AX210, \ - .base_params = &iwl_22000_base_params, \ + .base_params = &iwl_22560_base_params, \ .csr = &iwl_csr_v1, \ .min_txq_size = 128 @@ -235,8 +236,20 @@ const struct iwl_cfg iwl_ax101_cfg_qu_hr = { .max_tx_agg_size = IEEE80211_MAX_AMPDU_BUF_HT, }; -const struct iwl_cfg iwl22260_2ax_cfg = { - .name = "Intel(R) Wireless-AX 22260", +const struct iwl_cfg iwl_ax101_cfg_quz_hr = { + .name = "Intel(R) Wi-Fi 6 AX101", + .fw_name_pre = IWL_QUZ_A_HR_B_FW_PRE, + IWL_DEVICE_22500, + /* + * This device doesn't support receiving BlockAck with a large bitmap + * so we need to restrict the size of transmitted aggregation to the + * HT size; mac80211 would otherwise pick the HE max (256) by default. + */ + .max_tx_agg_size = IEEE80211_MAX_AMPDU_BUF_HT, +}; + +const struct iwl_cfg iwl_ax200_cfg_cc = { + .name = "Intel(R) Wi-Fi 6 AX200 160MHz", .fw_name_pre = IWL_CC_A_FW_PRE, IWL_DEVICE_22500, /* @@ -249,7 +262,7 @@ const struct iwl_cfg iwl22260_2ax_cfg = { }; const struct iwl_cfg killer1650x_2ax_cfg = { - .name = "Killer(R) Wireless-AX 1650x Wireless Network Adapter (200NGW)", + .name = "Killer(R) Wi-Fi 6 AX1650x 160MHz Wireless Network Adapter (200NGW)", .fw_name_pre = IWL_CC_A_FW_PRE, IWL_DEVICE_22500, /* @@ -262,7 +275,7 @@ const struct iwl_cfg killer1650x_2ax_cfg = { }; const struct iwl_cfg killer1650w_2ax_cfg = { - .name = "Killer(R) Wireless-AX 1650w Wireless Network Adapter (200D2W)", + .name = "Killer(R) Wi-Fi 6 AX1650w 160MHz Wireless Network Adapter (200D2W)", .fw_name_pre = IWL_CC_A_FW_PRE, IWL_DEVICE_22500, /* @@ -328,7 +341,7 @@ const struct iwl_cfg killer1550s_2ac_cfg_qu_b0_jf_b0 = { }; const struct iwl_cfg killer1650s_2ax_cfg_qu_b0_hr_b0 = { - .name = "Killer(R) Wireless-AX 1650i Wireless Network Adapter (22560NGW)", + .name = "Killer(R) Wi-Fi 6 AX1650i 160MHz Wireless Network Adapter (201NGW)", .fw_name_pre = IWL_22000_QU_B_HR_B_FW_PRE, IWL_DEVICE_22500, /* @@ -340,7 +353,7 @@ const struct iwl_cfg killer1650s_2ax_cfg_qu_b0_hr_b0 = { }; const struct iwl_cfg killer1650i_2ax_cfg_qu_b0_hr_b0 = { - .name = "Killer(R) Wireless-AX 1650s Wireless Network Adapter (22560D2W)", + .name = "Killer(R) Wi-Fi 6 AX1650s 160MHz Wireless Network Adapter (201D2W)", .fw_name_pre = IWL_22000_QU_B_HR_B_FW_PRE, IWL_DEVICE_22500, /* @@ -444,6 +457,7 @@ MODULE_FIRMWARE(IWL_22000_HR_B_QNJ_MODULE_FIRMWARE(IWL_22000_UCODE_API_MAX)); MODULE_FIRMWARE(IWL_22000_HR_A0_QNJ_MODULE_FIRMWARE(IWL_22000_UCODE_API_MAX)); MODULE_FIRMWARE(IWL_22000_SU_Z0_MODULE_FIRMWARE(IWL_22000_UCODE_API_MAX)); MODULE_FIRMWARE(IWL_QU_B_JF_B_MODULE_FIRMWARE(IWL_22000_UCODE_API_MAX)); +MODULE_FIRMWARE(IWL_QUZ_A_HR_B_MODULE_FIRMWARE(IWL_22000_UCODE_API_MAX)); MODULE_FIRMWARE(IWL_QNJ_B_JF_B_MODULE_FIRMWARE(IWL_22000_UCODE_API_MAX)); MODULE_FIRMWARE(IWL_CC_A_MODULE_FIRMWARE(IWL_22000_UCODE_API_MAX)); MODULE_FIRMWARE(IWL_22000_SO_A_JF_B_MODULE_FIRMWARE(IWL_22000_UCODE_API_MAX)); diff --git a/drivers/net/wireless/intel/iwlwifi/cfg/5000.c b/drivers/net/wireless/intel/iwlwifi/cfg/5000.c index 575a7022d045..3846064d51a5 100644 --- a/drivers/net/wireless/intel/iwlwifi/cfg/5000.c +++ b/drivers/net/wireless/intel/iwlwifi/cfg/5000.c @@ -1,7 +1,7 @@ /****************************************************************************** * * Copyright(c) 2007 - 2014 Intel Corporation. All rights reserved. - * Copyright(c) 2018 Intel Corporation + * Copyright(c) 2018 - 2019 Intel Corporation * * This program is free software; you can redistribute it and/or modify it * under the terms of version 2 of the GNU General Public License as @@ -136,6 +136,7 @@ const struct iwl_cfg iwl5350_agn_cfg = { .ht_params = &iwl5000_ht_params, .led_mode = IWL_LED_BLINK, .internal_wimax_coex = true, + .csr = &iwl_csr_v1, }; #define IWL_DEVICE_5150 \ diff --git a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c index f119c49cd39c..d7380016f1c0 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c +++ b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c @@ -1614,6 +1614,7 @@ iwl_dump_ini_mem(struct iwl_fw_runtime *fwrt, if (!range) { IWL_ERR(fwrt, "Failed to fill region header: id=%d, type=%d\n", le32_to_cpu(reg->region_id), type); + memset(*data, 0, le32_to_cpu((*data)->len)); return; } @@ -1623,6 +1624,7 @@ iwl_dump_ini_mem(struct iwl_fw_runtime *fwrt, if (range_size < 0) { IWL_ERR(fwrt, "Failed to dump region: id=%d, type=%d\n", le32_to_cpu(reg->region_id), type); + memset(*data, 0, le32_to_cpu((*data)->len)); return; } range = range + range_size; @@ -1807,12 +1809,12 @@ _iwl_fw_error_ini_dump(struct iwl_fw_runtime *fwrt, trigger = fwrt->dump.active_trigs[id].trig; - size = sizeof(*dump_file); - size += iwl_fw_ini_get_trigger_len(fwrt, trigger); - + size = iwl_fw_ini_get_trigger_len(fwrt, trigger); if (!size) return NULL; + size += sizeof(*dump_file); + dump_file = vzalloc(size); if (!dump_file) return NULL; @@ -1942,14 +1944,10 @@ int iwl_fw_dbg_error_collect(struct iwl_fw_runtime *fwrt, iwl_dump_error_desc->len = 0; ret = iwl_fw_dbg_collect_desc(fwrt, iwl_dump_error_desc, false, 0); - if (ret) { + if (ret) kfree(iwl_dump_error_desc); - } else { - set_bit(STATUS_FW_WAIT_DUMP, &fwrt->trans->status); - - /* trigger nmi to halt the fw */ - iwl_force_nmi(fwrt->trans); - } + else + iwl_trans_sync_nmi(fwrt->trans); return ret; } @@ -2489,22 +2487,6 @@ IWL_EXPORT_SYMBOL(iwl_fw_dbg_apply_point); void iwl_fwrt_stop_device(struct iwl_fw_runtime *fwrt) { - /* if the wait event timeout elapses instead of wake up then - * the driver did not receive NMI interrupt and can not assume the FW - * is halted - */ - int ret = wait_event_timeout(fwrt->trans->fw_halt_waitq, - !test_bit(STATUS_FW_WAIT_DUMP, - &fwrt->trans->status), - msecs_to_jiffies(2000)); - if (!ret) { - /* failed to receive NMI interrupt, assuming the FW is stuck */ - set_bit(STATUS_FW_ERROR, &fwrt->trans->status); - - clear_bit(STATUS_FW_WAIT_DUMP, &fwrt->trans->status); - } - - /* Assuming the op mode mutex is held at this point */ iwl_fw_dbg_collect_sync(fwrt); iwl_trans_stop_device(fwrt->trans); diff --git a/drivers/net/wireless/intel/iwlwifi/fw/file.h b/drivers/net/wireless/intel/iwlwifi/fw/file.h index 641c95d03b15..e06407dc088b 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/file.h +++ b/drivers/net/wireless/intel/iwlwifi/fw/file.h @@ -93,7 +93,7 @@ struct iwl_ucode_header { } u; }; -#define IWL_UCODE_INI_TLV_GROUP BIT(24) +#define IWL_UCODE_INI_TLV_GROUP 0x1000000 /* * new TLV uCode file layout @@ -148,11 +148,14 @@ enum iwl_ucode_tlv_type { IWL_UCODE_TLV_UMAC_DEBUG_ADDRS = 54, IWL_UCODE_TLV_LMAC_DEBUG_ADDRS = 55, IWL_UCODE_TLV_FW_RECOVERY_INFO = 57, - IWL_UCODE_TLV_TYPE_BUFFER_ALLOCATION = IWL_UCODE_INI_TLV_GROUP | 0x1, - IWL_UCODE_TLV_TYPE_HCMD = IWL_UCODE_INI_TLV_GROUP | 0x2, - IWL_UCODE_TLV_TYPE_REGIONS = IWL_UCODE_INI_TLV_GROUP | 0x3, - IWL_UCODE_TLV_TYPE_TRIGGERS = IWL_UCODE_INI_TLV_GROUP | 0x4, - IWL_UCODE_TLV_TYPE_DEBUG_FLOW = IWL_UCODE_INI_TLV_GROUP | 0x5, + + IWL_UCODE_TLV_TYPE_BUFFER_ALLOCATION = IWL_UCODE_INI_TLV_GROUP + 0x1, + IWL_UCODE_TLV_DEBUG_BASE = IWL_UCODE_TLV_TYPE_BUFFER_ALLOCATION, + IWL_UCODE_TLV_TYPE_HCMD = IWL_UCODE_INI_TLV_GROUP + 0x2, + IWL_UCODE_TLV_TYPE_REGIONS = IWL_UCODE_INI_TLV_GROUP + 0x3, + IWL_UCODE_TLV_TYPE_TRIGGERS = IWL_UCODE_INI_TLV_GROUP + 0x4, + IWL_UCODE_TLV_TYPE_DEBUG_FLOW = IWL_UCODE_INI_TLV_GROUP + 0x5, + IWL_UCODE_TLV_DEBUG_MAX = IWL_UCODE_TLV_TYPE_DEBUG_FLOW, /* TLVs 0x1000-0x2000 are for internal driver usage */ IWL_UCODE_TLV_FW_DBG_DUMP_LST = 0x1000, diff --git a/drivers/net/wireless/intel/iwlwifi/fw/init.c b/drivers/net/wireless/intel/iwlwifi/fw/init.c index 7adf4e4e841a..12310e3d2fc5 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/init.c +++ b/drivers/net/wireless/intel/iwlwifi/fw/init.c @@ -76,7 +76,6 @@ void iwl_fw_runtime_init(struct iwl_fw_runtime *fwrt, struct iwl_trans *trans, fwrt->ops_ctx = ops_ctx; INIT_DELAYED_WORK(&fwrt->dump.wk, iwl_fw_error_dump_wk); iwl_fwrt_dbgfs_register(fwrt, dbgfs_dir); - init_waitqueue_head(&fwrt->trans->fw_halt_waitq); } IWL_EXPORT_SYMBOL(iwl_fw_runtime_init); diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-config.h b/drivers/net/wireless/intel/iwlwifi/iwl-config.h index f5f87773667b..93070848280a 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-config.h +++ b/drivers/net/wireless/intel/iwlwifi/iwl-config.h @@ -549,8 +549,9 @@ extern const struct iwl_cfg iwl22000_2ac_cfg_hr; extern const struct iwl_cfg iwl22000_2ac_cfg_hr_cdb; extern const struct iwl_cfg iwl22000_2ac_cfg_jf; extern const struct iwl_cfg iwl_ax101_cfg_qu_hr; +extern const struct iwl_cfg iwl_ax101_cfg_quz_hr; extern const struct iwl_cfg iwl22000_2ax_cfg_hr; -extern const struct iwl_cfg iwl22260_2ax_cfg; +extern const struct iwl_cfg iwl_ax200_cfg_cc; extern const struct iwl_cfg killer1650s_2ax_cfg_qu_b0_hr_b0; extern const struct iwl_cfg killer1650i_2ax_cfg_qu_b0_hr_b0; extern const struct iwl_cfg killer1650x_2ax_cfg; diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-csr.h b/drivers/net/wireless/intel/iwlwifi/iwl-csr.h index aea6d03e545a..e539bc94eff7 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-csr.h +++ b/drivers/net/wireless/intel/iwlwifi/iwl-csr.h @@ -327,6 +327,7 @@ enum { #define CSR_HW_REV_TYPE_NONE (0x00001F0) #define CSR_HW_REV_TYPE_QNJ (0x0000360) #define CSR_HW_REV_TYPE_QNJ_B0 (0x0000364) +#define CSR_HW_REV_TYPE_QUZ (0x0000354) #define CSR_HW_REV_TYPE_HR_CDB (0x0000340) #define CSR_HW_REV_TYPE_SO (0x0000370) #define CSR_HW_REV_TYPE_TY (0x0000420) diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c b/drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c index 5798f434f68f..c7070760a10a 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c +++ b/drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c @@ -126,7 +126,8 @@ void iwl_alloc_dbg_tlv(struct iwl_trans *trans, size_t len, const u8 *data, len -= ALIGN(tlv_len, 4); data += sizeof(*tlv) + ALIGN(tlv_len, 4); - if (!(tlv_type & IWL_UCODE_INI_TLV_GROUP)) + if (tlv_type < IWL_UCODE_TLV_DEBUG_BASE || + tlv_type > IWL_UCODE_TLV_DEBUG_MAX) continue; hdr = (void *)&tlv->data[0]; diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-trans.h b/drivers/net/wireless/intel/iwlwifi/iwl-trans.h index bbebbf3efd57..d8690acee40c 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-trans.h +++ b/drivers/net/wireless/intel/iwlwifi/iwl-trans.h @@ -338,7 +338,6 @@ enum iwl_d3_status { * are sent * @STATUS_TRANS_IDLE: the trans is idle - general commands are not to be sent * @STATUS_TRANS_DEAD: trans is dead - avoid any read/write operation - * @STATUS_FW_WAIT_DUMP: if set, wait until cleared before collecting dump */ enum iwl_trans_status { STATUS_SYNC_HCMD_ACTIVE, @@ -351,7 +350,6 @@ enum iwl_trans_status { STATUS_TRANS_GOING_IDLE, STATUS_TRANS_IDLE, STATUS_TRANS_DEAD, - STATUS_FW_WAIT_DUMP, }; static inline int @@ -618,6 +616,7 @@ struct iwl_trans_ops { struct iwl_trans_dump_data *(*dump_data)(struct iwl_trans *trans, u32 dump_mask); void (*debugfs_cleanup)(struct iwl_trans *trans); + void (*sync_nmi)(struct iwl_trans *trans); }; /** @@ -831,7 +830,6 @@ struct iwl_trans { u32 lmac_error_event_table[2]; u32 umac_error_event_table; unsigned int error_event_table_tlv_status; - wait_queue_head_t fw_halt_waitq; /* pointer to trans specific struct */ /*Ensure that this pointer will always be aligned to sizeof pointer */ @@ -1239,10 +1237,12 @@ static inline void iwl_trans_fw_error(struct iwl_trans *trans) /* prevent double restarts due to the same erroneous FW */ if (!test_and_set_bit(STATUS_FW_ERROR, &trans->status)) iwl_op_mode_nic_error(trans->op_mode); +} - if (test_and_clear_bit(STATUS_FW_WAIT_DUMP, &trans->status)) - wake_up(&trans->fw_halt_waitq); - +static inline void iwl_trans_sync_nmi(struct iwl_trans *trans) +{ + if (trans->ops->sync_nmi) + trans->ops->sync_nmi(trans); } /***************************************************** diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/debugfs-vif.c b/drivers/net/wireless/intel/iwlwifi/mvm/debugfs-vif.c index 2453ceabf00d..6925527d8457 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/debugfs-vif.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/debugfs-vif.c @@ -774,8 +774,7 @@ void iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif) return; mvmvif->dbgfs_dir = debugfs_create_dir("iwlmvm", dbgfs_dir); - - if (!mvmvif->dbgfs_dir) { + if (IS_ERR_OR_NULL(mvmvif->dbgfs_dir)) { IWL_ERR(mvm, "Failed to create debugfs directory under %pd\n", dbgfs_dir); return; diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c index 00a47f6f1d81..ab68b5d53ec9 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c @@ -1121,7 +1121,9 @@ int iwl_mvm_up(struct iwl_mvm *mvm) ret = iwl_mvm_load_rt_fw(mvm); if (ret) { IWL_ERR(mvm, "Failed to start RT ucode: %d\n", ret); - iwl_fw_dbg_error_collect(&mvm->fwrt, FW_DBG_TRIGGER_DRIVER); + if (ret != -ERFKILL) + iwl_fw_dbg_error_collect(&mvm->fwrt, + FW_DBG_TRIGGER_DRIVER); goto error; } diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c index 3a92c09d4692..6a3b11dd2edf 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c @@ -2714,9 +2714,6 @@ static void iwl_mvm_stop_ap_ibss(struct ieee80211_hw *hw, iwl_mvm_mac_ctxt_remove(mvm, vif); - kfree(mvmvif->ap_wep_key); - mvmvif->ap_wep_key = NULL; - mutex_unlock(&mvm->mutex); } @@ -3183,24 +3180,7 @@ static int iwl_mvm_mac_sta_state(struct ieee80211_hw *hw, ret = iwl_mvm_update_sta(mvm, vif, sta); } else if (old_state == IEEE80211_STA_ASSOC && new_state == IEEE80211_STA_AUTHORIZED) { - /* if wep is used, need to set the key for the station now */ - if (vif->type == NL80211_IFTYPE_AP && mvmvif->ap_wep_key) { - mvm_sta->wep_key = - kmemdup(mvmvif->ap_wep_key, - sizeof(*mvmvif->ap_wep_key) + - mvmvif->ap_wep_key->keylen, - GFP_KERNEL); - if (!mvm_sta->wep_key) { - ret = -ENOMEM; - goto out_unlock; - } - - ret = iwl_mvm_set_sta_key(mvm, vif, sta, - mvm_sta->wep_key, - STA_KEY_IDX_INVALID); - } else { - ret = 0; - } + ret = 0; /* we don't support TDLS during DCM */ if (iwl_mvm_phy_ctx_count(mvm) > 1) @@ -3242,17 +3222,6 @@ static int iwl_mvm_mac_sta_state(struct ieee80211_hw *hw, NL80211_TDLS_DISABLE_LINK); } - /* Remove STA key if this is an AP using WEP */ - if (vif->type == NL80211_IFTYPE_AP && mvmvif->ap_wep_key) { - int rm_ret = iwl_mvm_remove_sta_key(mvm, vif, sta, - mvm_sta->wep_key); - - if (!ret) - ret = rm_ret; - kfree(mvm_sta->wep_key); - mvm_sta->wep_key = NULL; - } - if (unlikely(ret && test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status))) @@ -3289,6 +3258,13 @@ static void iwl_mvm_sta_rc_update(struct ieee80211_hw *hw, struct ieee80211_sta *sta, u32 changed) { struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + + if (changed & (IEEE80211_RC_BW_CHANGED | + IEEE80211_RC_SUPP_RATES_CHANGED | + IEEE80211_RC_NSS_CHANGED)) + iwl_mvm_rs_rate_init(mvm, sta, mvmvif->phy_ctxt->channel->band, + true); if (vif->type == NL80211_IFTYPE_STATION && changed & IEEE80211_RC_NSS_CHANGED) @@ -3439,20 +3415,12 @@ static int iwl_mvm_mac_set_key(struct ieee80211_hw *hw, break; case WLAN_CIPHER_SUITE_WEP40: case WLAN_CIPHER_SUITE_WEP104: - if (vif->type == NL80211_IFTYPE_AP) { - struct iwl_mvm_vif *mvmvif = - iwl_mvm_vif_from_mac80211(vif); - - mvmvif->ap_wep_key = kmemdup(key, - sizeof(*key) + key->keylen, - GFP_KERNEL); - if (!mvmvif->ap_wep_key) - return -ENOMEM; - } - - if (vif->type != NL80211_IFTYPE_STATION) - return 0; - break; + if (vif->type == NL80211_IFTYPE_STATION) + break; + if (iwl_mvm_has_new_tx_api(mvm)) + return -EOPNOTSUPP; + /* support HW crypto on TX */ + return 0; default: /* currently FW supports only one optional cipher scheme */ if (hw->n_cipher_schemes && @@ -3540,12 +3508,17 @@ static int iwl_mvm_mac_set_key(struct ieee80211_hw *hw, ret = iwl_mvm_set_sta_key(mvm, vif, sta, key, key_offset); if (ret) { IWL_WARN(mvm, "set key failed\n"); + key->hw_key_idx = STA_KEY_IDX_INVALID; /* * can't add key for RX, but we don't need it - * in the device for TX so still return 0 + * in the device for TX so still return 0, + * unless we have new TX API where we cannot + * put key material into the TX_CMD */ - key->hw_key_idx = STA_KEY_IDX_INVALID; - ret = 0; + if (iwl_mvm_has_new_tx_api(mvm)) + ret = -EOPNOTSUPP; + else + ret = 0; } break; diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h b/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h index bca6f6b536d9..a50dc53df086 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h +++ b/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h @@ -498,7 +498,6 @@ struct iwl_mvm_vif { netdev_features_t features; struct iwl_probe_resp_data __rcu *probe_resp_data; - struct ieee80211_key_conf *ap_wep_key; }; static inline struct iwl_mvm_vif * diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c index ba27dce4c2bb..13681b03c10e 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c @@ -834,7 +834,7 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg, mutex_lock(&mvm->mutex); iwl_mvm_ref(mvm, IWL_MVM_REF_INIT_UCODE); err = iwl_run_init_mvm_ucode(mvm, true); - if (err) + if (err && err != -ERFKILL) iwl_fw_dbg_error_collect(&mvm->fwrt, FW_DBG_TRIGGER_DRIVER); if (!iwlmvm_mod_params.init_dbg || !err) iwl_mvm_stop_device(mvm); diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c b/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c index 1e03acf30762..b516fd1867ec 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c @@ -169,9 +169,9 @@ static inline int iwl_mvm_check_pn(struct iwl_mvm *mvm, struct sk_buff *skb, } /* iwl_mvm_create_skb Adds the rxb to a new skb */ -static void iwl_mvm_create_skb(struct sk_buff *skb, struct ieee80211_hdr *hdr, - u16 len, u8 crypt_len, - struct iwl_rx_cmd_buffer *rxb) +static int iwl_mvm_create_skb(struct iwl_mvm *mvm, struct sk_buff *skb, + struct ieee80211_hdr *hdr, u16 len, u8 crypt_len, + struct iwl_rx_cmd_buffer *rxb) { struct iwl_rx_packet *pkt = rxb_addr(rxb); struct iwl_rx_mpdu_desc *desc = (void *)pkt->data; @@ -204,6 +204,20 @@ static void iwl_mvm_create_skb(struct sk_buff *skb, struct ieee80211_hdr *hdr, * present before copying packet data. */ hdrlen += crypt_len; + + if (WARN_ONCE(headlen < hdrlen, + "invalid packet lengths (hdrlen=%d, len=%d, crypt_len=%d)\n", + hdrlen, len, crypt_len)) { + /* + * We warn and trace because we want to be able to see + * it in trace-cmd as well. + */ + IWL_DEBUG_RX(mvm, + "invalid packet lengths (hdrlen=%d, len=%d, crypt_len=%d)\n", + hdrlen, len, crypt_len); + return -EINVAL; + } + skb_put_data(skb, hdr, hdrlen); skb_put_data(skb, (u8 *)hdr + hdrlen + pad_len, headlen - hdrlen); @@ -216,6 +230,8 @@ static void iwl_mvm_create_skb(struct sk_buff *skb, struct ieee80211_hdr *hdr, skb_add_rx_frag(skb, 0, rxb_steal_page(rxb), offset, fraglen, rxb->truesize); } + + return 0; } static void iwl_mvm_add_rtap_sniffer_config(struct iwl_mvm *mvm, @@ -1671,7 +1687,11 @@ void iwl_mvm_rx_mpdu_mq(struct iwl_mvm *mvm, struct napi_struct *napi, rx_status->boottime_ns = ktime_get_boot_ns(); } - iwl_mvm_create_skb(skb, hdr, len, crypt_len, rxb); + if (iwl_mvm_create_skb(mvm, skb, hdr, len, crypt_len, rxb)) { + kfree_skb(skb); + goto out; + } + if (!iwl_mvm_reorder(mvm, napi, queue, sta, skb, desc)) iwl_mvm_pass_packet_to_mac80211(mvm, napi, skb, queue, sta, csi); diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/sta.c b/drivers/net/wireless/intel/iwlwifi/mvm/sta.c index 498c315291cf..98d123dd7177 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/sta.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/sta.c @@ -8,7 +8,7 @@ * Copyright(c) 2012 - 2015 Intel Corporation. All rights reserved. * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH * Copyright(c) 2016 - 2017 Intel Deutschland GmbH - * Copyright(c) 2018 Intel Corporation + * Copyright(c) 2018 - 2019 Intel Corporation * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as @@ -31,7 +31,7 @@ * Copyright(c) 2012 - 2015 Intel Corporation. All rights reserved. * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH * Copyright(c) 2016 - 2017 Intel Deutschland GmbH - * Copyright(c) 2018 Intel Corporation + * Copyright(c) 2018 - 2019 Intel Corporation * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -1399,7 +1399,9 @@ void iwl_mvm_add_new_dqa_stream_wk(struct work_struct *wk) iwl_mvm_sta_alloc_queue(mvm, txq->sta, txq->ac, tid); list_del_init(&mvmtxq->list); + local_bh_disable(); iwl_mvm_mac_itxq_xmit(mvm->hw, txq); + local_bh_enable(); } mutex_unlock(&mvm->mutex); @@ -2333,21 +2335,6 @@ int iwl_mvm_add_mcast_sta(struct iwl_mvm *mvm, struct ieee80211_vif *vif) iwl_mvm_enable_txq(mvm, NULL, mvmvif->cab_queue, 0, &cfg, timeout); - if (mvmvif->ap_wep_key) { - u8 key_offset = iwl_mvm_set_fw_key_idx(mvm); - - __set_bit(key_offset, mvm->fw_key_table); - - if (key_offset == STA_KEY_IDX_INVALID) - return -ENOSPC; - - ret = iwl_mvm_send_sta_key(mvm, mvmvif->mcast_sta.sta_id, - mvmvif->ap_wep_key, true, 0, NULL, 0, - key_offset, 0); - if (ret) - return ret; - } - return 0; } @@ -2419,28 +2406,6 @@ int iwl_mvm_rm_mcast_sta(struct iwl_mvm *mvm, struct ieee80211_vif *vif) iwl_mvm_disable_txq(mvm, NULL, mvmvif->cab_queue, 0, 0); - if (mvmvif->ap_wep_key) { - int i; - - if (!__test_and_clear_bit(mvmvif->ap_wep_key->hw_key_idx, - mvm->fw_key_table)) { - IWL_ERR(mvm, "offset %d not used in fw key table.\n", - mvmvif->ap_wep_key->hw_key_idx); - return -ENOENT; - } - - /* track which key was deleted last */ - for (i = 0; i < STA_KEY_MAX_NUM; i++) { - if (mvm->fw_key_deleted[i] < U8_MAX) - mvm->fw_key_deleted[i]++; - } - mvm->fw_key_deleted[mvmvif->ap_wep_key->hw_key_idx] = 0; - ret = __iwl_mvm_remove_sta_key(mvm, mvmvif->mcast_sta.sta_id, - mvmvif->ap_wep_key, true); - if (ret) - return ret; - } - ret = iwl_mvm_rm_sta_common(mvm, mvmvif->mcast_sta.sta_id); if (ret) IWL_WARN(mvm, "Failed sending remove station\n"); diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/sta.h b/drivers/net/wireless/intel/iwlwifi/mvm/sta.h index 79700c7310a1..b4d4071b865d 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/sta.h +++ b/drivers/net/wireless/intel/iwlwifi/mvm/sta.h @@ -8,7 +8,7 @@ * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH * Copyright(c) 2015 - 2016 Intel Deutschland GmbH - * Copyright(c) 2018 Intel Corporation + * Copyright(c) 2018 - 2019 Intel Corporation * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as @@ -31,7 +31,7 @@ * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH * Copyright(c) 2015 - 2016 Intel Deutschland GmbH - * Copyright(c) 2018 Intel Corporation + * Copyright(c) 2018 - 2019 Intel Corporation * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -394,7 +394,6 @@ struct iwl_mvm_rxq_dup_data { * the BA window. To be used for UAPSD only. * @ptk_pn: per-queue PTK PN data structures * @dup_data: per queue duplicate packet detection data - * @wep_key: used in AP mode. Is a duplicate of the WEP key. * @deferred_traffic_tid_map: indication bitmap of deferred traffic per-TID * @tx_ant: the index of the antenna to use for data tx to this station. Only * used during connection establishment (e.g. for the 4 way handshake @@ -426,8 +425,6 @@ struct iwl_mvm_sta { struct iwl_mvm_key_pn __rcu *ptk_pn[4]; struct iwl_mvm_rxq_dup_data *dup_data; - struct ieee80211_key_conf *wep_key; - u8 reserved_queue; /* Temporary, until the new TLC will control the Tx protection */ diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/drv.c b/drivers/net/wireless/intel/iwlwifi/pcie/drv.c index 2b94e4cef56c..9f1af8da9dc1 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/drv.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/drv.c @@ -953,14 +953,15 @@ static const struct pci_device_id iwl_hw_card_ids[] = { {IWL_PCI_DEVICE(0xA0F0, 0x1652, killer1650i_2ax_cfg_qu_b0_hr_b0)}, {IWL_PCI_DEVICE(0xA0F0, 0x4070, iwl_ax101_cfg_qu_hr)}, - {IWL_PCI_DEVICE(0x2723, 0x0080, iwl22260_2ax_cfg)}, - {IWL_PCI_DEVICE(0x2723, 0x0084, iwl22260_2ax_cfg)}, - {IWL_PCI_DEVICE(0x2723, 0x0088, iwl22260_2ax_cfg)}, - {IWL_PCI_DEVICE(0x2723, 0x008C, iwl22260_2ax_cfg)}, + {IWL_PCI_DEVICE(0x2723, 0x0080, iwl_ax200_cfg_cc)}, + {IWL_PCI_DEVICE(0x2723, 0x0084, iwl_ax200_cfg_cc)}, + {IWL_PCI_DEVICE(0x2723, 0x0088, iwl_ax200_cfg_cc)}, + {IWL_PCI_DEVICE(0x2723, 0x008C, iwl_ax200_cfg_cc)}, {IWL_PCI_DEVICE(0x2723, 0x1653, killer1650w_2ax_cfg)}, {IWL_PCI_DEVICE(0x2723, 0x1654, killer1650x_2ax_cfg)}, - {IWL_PCI_DEVICE(0x2723, 0x4080, iwl22260_2ax_cfg)}, - {IWL_PCI_DEVICE(0x2723, 0x4088, iwl22260_2ax_cfg)}, + {IWL_PCI_DEVICE(0x2723, 0x2080, iwl_ax200_cfg_cc)}, + {IWL_PCI_DEVICE(0x2723, 0x4080, iwl_ax200_cfg_cc)}, + {IWL_PCI_DEVICE(0x2723, 0x4088, iwl_ax200_cfg_cc)}, {IWL_PCI_DEVICE(0x1a56, 0x1653, killer1650w_2ax_cfg)}, {IWL_PCI_DEVICE(0x1a56, 0x1654, killer1650x_2ax_cfg)}, diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/internal.h b/drivers/net/wireless/intel/iwlwifi/pcie/internal.h index bf8b61a476c5..59213164f35e 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/internal.h +++ b/drivers/net/wireless/intel/iwlwifi/pcie/internal.h @@ -1043,7 +1043,7 @@ static inline bool iwl_pcie_dbg_on(struct iwl_trans *trans) void iwl_trans_pcie_rf_kill(struct iwl_trans *trans, bool state); void iwl_trans_pcie_dump_regs(struct iwl_trans *trans); -void iwl_trans_sync_nmi(struct iwl_trans *trans); +void iwl_trans_pcie_sync_nmi(struct iwl_trans *trans); #ifdef CONFIG_IWLWIFI_DEBUGFS int iwl_trans_pcie_dbgfs_register(struct iwl_trans *trans); diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/trans.c b/drivers/net/wireless/intel/iwlwifi/pcie/trans.c index fe8269d023de..4f5eec7e44bd 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/trans.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/trans.c @@ -2067,7 +2067,6 @@ static void iwl_trans_pcie_release_nic_access(struct iwl_trans *trans, * MAC_ACCESS_REQ bit to be performed before any other writes * scheduled on different CPUs (after we drop reg_lock). */ - mmiowb(); out: spin_unlock_irqrestore(&trans_pcie->reg_lock, *flags); } @@ -3318,7 +3317,8 @@ static void iwl_trans_pcie_resume(struct iwl_trans *trans) .unref = iwl_trans_pcie_unref, \ .dump_data = iwl_trans_pcie_dump_data, \ .d3_suspend = iwl_trans_pcie_d3_suspend, \ - .d3_resume = iwl_trans_pcie_d3_resume + .d3_resume = iwl_trans_pcie_d3_resume, \ + .sync_nmi = iwl_trans_pcie_sync_nmi #ifdef CONFIG_PM_SLEEP #define IWL_TRANS_PM_OPS \ @@ -3542,6 +3542,10 @@ struct iwl_trans *iwl_trans_pcie_alloc(struct pci_dev *pdev, } } else if (cfg == &iwl_ax101_cfg_qu_hr) { if (CSR_HW_RF_ID_TYPE_CHIP_ID(trans->hw_rf_id) == + CSR_HW_RF_ID_TYPE_CHIP_ID(CSR_HW_RF_ID_TYPE_HR) && + trans->hw_rev == CSR_HW_REV_TYPE_QNJ_B0) { + trans->cfg = &iwl22000_2ax_cfg_qnj_hr_b0; + } else if (CSR_HW_RF_ID_TYPE_CHIP_ID(trans->hw_rf_id) == CSR_HW_RF_ID_TYPE_CHIP_ID(CSR_HW_RF_ID_TYPE_HR)) { trans->cfg = &iwl_ax101_cfg_qu_hr; } else if (CSR_HW_RF_ID_TYPE_CHIP_ID(trans->hw_rf_id) == @@ -3560,7 +3564,7 @@ struct iwl_trans *iwl_trans_pcie_alloc(struct pci_dev *pdev, } } else if (CSR_HW_RF_ID_TYPE_CHIP_ID(trans->hw_rf_id) == CSR_HW_RF_ID_TYPE_CHIP_ID(CSR_HW_RF_ID_TYPE_HR) && - (trans->cfg != &iwl22260_2ax_cfg || + (trans->cfg != &iwl_ax200_cfg_cc || trans->hw_rev == CSR_HW_REV_TYPE_QNJ_B0)) { u32 hw_status; @@ -3637,22 +3641,29 @@ out_no_pci: return ERR_PTR(ret); } -void iwl_trans_sync_nmi(struct iwl_trans *trans) +void iwl_trans_pcie_sync_nmi(struct iwl_trans *trans) { + struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); unsigned long timeout = jiffies + IWL_TRANS_NMI_TIMEOUT; + u32 inta_addr, sw_err_bit; + + if (trans_pcie->msix_enabled) { + inta_addr = CSR_MSIX_HW_INT_CAUSES_AD; + sw_err_bit = MSIX_HW_INT_CAUSES_REG_SW_ERR; + } else { + inta_addr = CSR_INT; + sw_err_bit = CSR_INT_BIT_SW_ERR; + } iwl_disable_interrupts(trans); iwl_force_nmi(trans); while (time_after(timeout, jiffies)) { - u32 inta_hw = iwl_read32(trans, - CSR_MSIX_HW_INT_CAUSES_AD); + u32 inta_hw = iwl_read32(trans, inta_addr); /* Error detected by uCode */ - if (inta_hw & MSIX_HW_INT_CAUSES_REG_SW_ERR) { + if (inta_hw & sw_err_bit) { /* Clear causes register */ - iwl_write32(trans, CSR_MSIX_HW_INT_CAUSES_AD, - inta_hw & - MSIX_HW_INT_CAUSES_REG_SW_ERR); + iwl_write32(trans, inta_addr, inta_hw & sw_err_bit); break; } diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/tx-gen2.c b/drivers/net/wireless/intel/iwlwifi/pcie/tx-gen2.c index 88530d9f4a54..38d110338987 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/tx-gen2.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/tx-gen2.c @@ -965,7 +965,7 @@ static int iwl_pcie_gen2_send_hcmd_sync(struct iwl_trans *trans, cmd_str); ret = -ETIMEDOUT; - iwl_trans_sync_nmi(trans); + iwl_trans_pcie_sync_nmi(trans); goto cancel; } diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/tx.c b/drivers/net/wireless/intel/iwlwifi/pcie/tx.c index 9fbd37d23e85..7be73e2c4681 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/tx.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/tx.c @@ -1960,7 +1960,7 @@ static int iwl_pcie_send_hcmd_sync(struct iwl_trans *trans, iwl_get_cmd_string(trans, cmd->id)); ret = -ETIMEDOUT; - iwl_trans_sync_nmi(trans); + iwl_trans_pcie_sync_nmi(trans); goto cancel; } diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c index 0838af04d681..c71adb1f1f41 100644 --- a/drivers/net/wireless/mac80211_hwsim.c +++ b/drivers/net/wireless/mac80211_hwsim.c @@ -521,7 +521,7 @@ struct mac80211_hwsim_data { unsigned int rx_filter; bool started, idle, scanning; struct mutex mutex; - struct tasklet_hrtimer beacon_timer; + struct hrtimer beacon_timer; enum ps_mode { PS_DISABLED, PS_ENABLED, PS_AUTO_POLL, PS_MANUAL_POLL } ps; @@ -1460,7 +1460,7 @@ static void mac80211_hwsim_stop(struct ieee80211_hw *hw) { struct mac80211_hwsim_data *data = hw->priv; data->started = false; - tasklet_hrtimer_cancel(&data->beacon_timer); + hrtimer_cancel(&data->beacon_timer); wiphy_dbg(hw->wiphy, "%s\n", __func__); } @@ -1583,14 +1583,12 @@ static enum hrtimer_restart mac80211_hwsim_beacon(struct hrtimer *timer) { struct mac80211_hwsim_data *data = - container_of(timer, struct mac80211_hwsim_data, - beacon_timer.timer); + container_of(timer, struct mac80211_hwsim_data, beacon_timer); struct ieee80211_hw *hw = data->hw; u64 bcn_int = data->beacon_int; - ktime_t next_bcn; if (!data->started) - goto out; + return HRTIMER_NORESTART; ieee80211_iterate_active_interfaces_atomic( hw, IEEE80211_IFACE_ITER_NORMAL, @@ -1601,12 +1599,9 @@ mac80211_hwsim_beacon(struct hrtimer *timer) bcn_int -= data->bcn_delta; data->bcn_delta = 0; } - - next_bcn = ktime_add(hrtimer_get_expires(timer), - ns_to_ktime(bcn_int * 1000)); - tasklet_hrtimer_start(&data->beacon_timer, next_bcn, HRTIMER_MODE_ABS); -out: - return HRTIMER_NORESTART; + hrtimer_forward(&data->beacon_timer, hrtimer_get_expires(timer), + ns_to_ktime(bcn_int * NSEC_PER_USEC)); + return HRTIMER_RESTART; } static const char * const hwsim_chanwidths[] = { @@ -1680,15 +1675,15 @@ static int mac80211_hwsim_config(struct ieee80211_hw *hw, u32 changed) mutex_unlock(&data->mutex); if (!data->started || !data->beacon_int) - tasklet_hrtimer_cancel(&data->beacon_timer); - else if (!hrtimer_is_queued(&data->beacon_timer.timer)) { + hrtimer_cancel(&data->beacon_timer); + else if (!hrtimer_is_queued(&data->beacon_timer)) { u64 tsf = mac80211_hwsim_get_tsf(hw, NULL); u32 bcn_int = data->beacon_int; u64 until_tbtt = bcn_int - do_div(tsf, bcn_int); - tasklet_hrtimer_start(&data->beacon_timer, - ns_to_ktime(until_tbtt * 1000), - HRTIMER_MODE_REL); + hrtimer_start(&data->beacon_timer, + ns_to_ktime(until_tbtt * NSEC_PER_USEC), + HRTIMER_MODE_REL_SOFT); } return 0; @@ -1751,7 +1746,7 @@ static void mac80211_hwsim_bss_info_changed(struct ieee80211_hw *hw, info->enable_beacon, info->beacon_int); vp->bcn_en = info->enable_beacon; if (data->started && - !hrtimer_is_queued(&data->beacon_timer.timer) && + !hrtimer_is_queued(&data->beacon_timer) && info->enable_beacon) { u64 tsf, until_tbtt; u32 bcn_int; @@ -1759,9 +1754,10 @@ static void mac80211_hwsim_bss_info_changed(struct ieee80211_hw *hw, tsf = mac80211_hwsim_get_tsf(hw, vif); bcn_int = data->beacon_int; until_tbtt = bcn_int - do_div(tsf, bcn_int); - tasklet_hrtimer_start(&data->beacon_timer, - ns_to_ktime(until_tbtt * 1000), - HRTIMER_MODE_REL); + + hrtimer_start(&data->beacon_timer, + ns_to_ktime(until_tbtt * NSEC_PER_USEC), + HRTIMER_MODE_REL_SOFT); } else if (!info->enable_beacon) { unsigned int count = 0; ieee80211_iterate_active_interfaces_atomic( @@ -1770,7 +1766,7 @@ static void mac80211_hwsim_bss_info_changed(struct ieee80211_hw *hw, wiphy_dbg(hw->wiphy, " beaconing vifs remaining: %u", count); if (count == 0) { - tasklet_hrtimer_cancel(&data->beacon_timer); + hrtimer_cancel(&data->beacon_timer); data->beacon_int = 0; } } @@ -2644,7 +2640,7 @@ static int mac80211_hwsim_new_radio(struct genl_info *info, enum nl80211_band band; const struct ieee80211_ops *ops = &mac80211_hwsim_ops; struct net *net; - int idx; + int idx, i; int n_limits = 0; if (WARN_ON(param->channels > 1 && !param->use_chanctx)) @@ -2768,12 +2764,23 @@ static int mac80211_hwsim_new_radio(struct genl_info *info, goto failed_hw; } + data->if_combination.max_interfaces = 0; + for (i = 0; i < n_limits; i++) + data->if_combination.max_interfaces += + data->if_limits[i].max; + data->if_combination.n_limits = n_limits; - data->if_combination.max_interfaces = 2048; data->if_combination.limits = data->if_limits; - hw->wiphy->iface_combinations = &data->if_combination; - hw->wiphy->n_iface_combinations = 1; + /* + * If we actually were asked to support combinations, + * advertise them - if there's only a single thing like + * only IBSS then don't advertise it as combinations. + */ + if (data->if_combination.max_interfaces > 1) { + hw->wiphy->iface_combinations = &data->if_combination; + hw->wiphy->n_iface_combinations = 1; + } if (param->ciphers) { memcpy(data->ciphers, param->ciphers, @@ -2922,9 +2929,9 @@ static int mac80211_hwsim_new_radio(struct genl_info *info, wiphy_ext_feature_set(hw->wiphy, NL80211_EXT_FEATURE_CQM_RSSI_LIST); - tasklet_hrtimer_init(&data->beacon_timer, - mac80211_hwsim_beacon, - CLOCK_MONOTONIC, HRTIMER_MODE_ABS); + hrtimer_init(&data->beacon_timer, CLOCK_MONOTONIC, + HRTIMER_MODE_ABS_SOFT); + data->beacon_timer.function = mac80211_hwsim_beacon; err = ieee80211_register_hw(hw); if (err < 0) { diff --git a/drivers/net/wireless/marvell/mwifiex/sdio.c b/drivers/net/wireless/marvell/mwifiex/sdio.c index a85648342d15..d5a70340a945 100644 --- a/drivers/net/wireless/marvell/mwifiex/sdio.c +++ b/drivers/net/wireless/marvell/mwifiex/sdio.c @@ -181,7 +181,7 @@ static int mwifiex_sdio_resume(struct device *dev) adapter = card->adapter; - if (test_bit(MWIFIEX_IS_SUSPENDED, &adapter->work_flags)) { + if (!test_bit(MWIFIEX_IS_SUSPENDED, &adapter->work_flags)) { mwifiex_dbg(adapter, WARN, "device already resumed\n"); return 0; diff --git a/drivers/net/wireless/mediatek/mt76/mt7603/init.c b/drivers/net/wireless/mediatek/mt76/mt7603/init.c index d54dda67d036..3af45949e868 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7603/init.c +++ b/drivers/net/wireless/mediatek/mt76/mt7603/init.c @@ -510,6 +510,8 @@ int mt7603_register_device(struct mt7603_dev *dev) bus_ops->rmw = mt7603_rmw; dev->mt76.bus = bus_ops; + spin_lock_init(&dev->ps_lock); + INIT_DELAYED_WORK(&dev->mac_work, mt7603_mac_work); tasklet_init(&dev->pre_tbtt_tasklet, mt7603_pre_tbtt_tasklet, (unsigned long)dev); diff --git a/drivers/net/wireless/mediatek/mt76/mt7603/mac.c b/drivers/net/wireless/mediatek/mt76/mt7603/mac.c index 5e31d7da96fc..5abc02b57818 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7603/mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt7603/mac.c @@ -343,7 +343,7 @@ void mt7603_mac_rx_ba_reset(struct mt7603_dev *dev, void *addr, u8 tid) MT_BA_CONTROL_1_RESET)); } -void mt7603_mac_tx_ba_reset(struct mt7603_dev *dev, int wcid, int tid, int ssn, +void mt7603_mac_tx_ba_reset(struct mt7603_dev *dev, int wcid, int tid, int ba_size) { u32 addr = mt7603_wtbl2_addr(wcid); @@ -358,43 +358,6 @@ void mt7603_mac_tx_ba_reset(struct mt7603_dev *dev, int wcid, int tid, int ssn, mt76_clear(dev, addr + (15 * 4), tid_mask); return; } - mt76_poll(dev, MT_WTBL_UPDATE, MT_WTBL_UPDATE_BUSY, 0, 5000); - - mt7603_mac_stop(dev); - switch (tid) { - case 0: - mt76_rmw_field(dev, addr + (2 * 4), MT_WTBL2_W2_TID0_SN, ssn); - break; - case 1: - mt76_rmw_field(dev, addr + (2 * 4), MT_WTBL2_W2_TID1_SN, ssn); - break; - case 2: - mt76_rmw_field(dev, addr + (2 * 4), MT_WTBL2_W2_TID2_SN_LO, - ssn); - mt76_rmw_field(dev, addr + (3 * 4), MT_WTBL2_W3_TID2_SN_HI, - ssn >> 8); - break; - case 3: - mt76_rmw_field(dev, addr + (3 * 4), MT_WTBL2_W3_TID3_SN, ssn); - break; - case 4: - mt76_rmw_field(dev, addr + (3 * 4), MT_WTBL2_W3_TID4_SN, ssn); - break; - case 5: - mt76_rmw_field(dev, addr + (3 * 4), MT_WTBL2_W3_TID5_SN_LO, - ssn); - mt76_rmw_field(dev, addr + (4 * 4), MT_WTBL2_W4_TID5_SN_HI, - ssn >> 4); - break; - case 6: - mt76_rmw_field(dev, addr + (4 * 4), MT_WTBL2_W4_TID6_SN, ssn); - break; - case 7: - mt76_rmw_field(dev, addr + (4 * 4), MT_WTBL2_W4_TID7_SN, ssn); - break; - } - mt7603_wtbl_update(dev, wcid, MT_WTBL_UPDATE_WTBL2); - mt7603_mac_start(dev); for (i = 7; i > 0; i--) { if (ba_size >= MT_AGG_SIZE_LIMIT(i)) @@ -827,6 +790,7 @@ mt7603_mac_write_txwi(struct mt7603_dev *dev, __le32 *txwi, struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); struct ieee80211_tx_rate *rate = &info->control.rates[0]; struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; + struct ieee80211_bar *bar = (struct ieee80211_bar *)skb->data; struct ieee80211_vif *vif = info->control.vif; struct mt7603_vif *mvif; int wlan_idx; @@ -834,6 +798,7 @@ mt7603_mac_write_txwi(struct mt7603_dev *dev, __le32 *txwi, int tx_count = 8; u8 frame_type, frame_subtype; u16 fc = le16_to_cpu(hdr->frame_control); + u16 seqno = 0; u8 vif_idx = 0; u32 val; u8 bw; @@ -919,7 +884,17 @@ mt7603_mac_write_txwi(struct mt7603_dev *dev, __le32 *txwi, tx_count = 0x1f; val = FIELD_PREP(MT_TXD3_REM_TX_COUNT, tx_count) | - FIELD_PREP(MT_TXD3_SEQ, le16_to_cpu(hdr->seq_ctrl)); + MT_TXD3_SN_VALID; + + if (ieee80211_is_data_qos(hdr->frame_control)) + seqno = le16_to_cpu(hdr->seq_ctrl); + else if (ieee80211_is_back_req(hdr->frame_control)) + seqno = le16_to_cpu(bar->start_seq_num); + else + val &= ~MT_TXD3_SN_VALID; + + val |= FIELD_PREP(MT_TXD3_SEQ, seqno >> 4); + txwi[3] = cpu_to_le32(val); if (key) { diff --git a/drivers/net/wireless/mediatek/mt76/mt7603/main.c b/drivers/net/wireless/mediatek/mt76/mt7603/main.c index cc0fe0933b2d..a3c4ef198bfe 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7603/main.c +++ b/drivers/net/wireless/mediatek/mt76/mt7603/main.c @@ -372,7 +372,7 @@ mt7603_sta_ps(struct mt76_dev *mdev, struct ieee80211_sta *sta, bool ps) struct mt7603_sta *msta = (struct mt7603_sta *)sta->drv_priv; struct sk_buff_head list; - mt76_stop_tx_queues(&dev->mt76, sta, false); + mt76_stop_tx_queues(&dev->mt76, sta, true); mt7603_wtbl_set_ps(dev, msta, ps); if (ps) return; @@ -584,13 +584,13 @@ mt7603_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif, case IEEE80211_AMPDU_TX_OPERATIONAL: mtxq->aggr = true; mtxq->send_bar = false; - mt7603_mac_tx_ba_reset(dev, msta->wcid.idx, tid, *ssn, ba_size); + mt7603_mac_tx_ba_reset(dev, msta->wcid.idx, tid, ba_size); break; case IEEE80211_AMPDU_TX_STOP_FLUSH: case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: mtxq->aggr = false; ieee80211_send_bar(vif, sta->addr, tid, mtxq->agg_ssn); - mt7603_mac_tx_ba_reset(dev, msta->wcid.idx, tid, *ssn, -1); + mt7603_mac_tx_ba_reset(dev, msta->wcid.idx, tid, -1); break; case IEEE80211_AMPDU_TX_START: mtxq->agg_ssn = *ssn << 4; @@ -598,7 +598,7 @@ mt7603_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif, break; case IEEE80211_AMPDU_TX_STOP_CONT: mtxq->aggr = false; - mt7603_mac_tx_ba_reset(dev, msta->wcid.idx, tid, *ssn, -1); + mt7603_mac_tx_ba_reset(dev, msta->wcid.idx, tid, -1); ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); break; } diff --git a/drivers/net/wireless/mediatek/mt76/mt7603/mt7603.h b/drivers/net/wireless/mediatek/mt76/mt7603/mt7603.h index 79f332429432..6049f3b7c8fe 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7603/mt7603.h +++ b/drivers/net/wireless/mediatek/mt76/mt7603/mt7603.h @@ -200,7 +200,7 @@ void mt7603_beacon_set_timer(struct mt7603_dev *dev, int idx, int intval); int mt7603_mac_fill_rx(struct mt7603_dev *dev, struct sk_buff *skb); void mt7603_mac_add_txs(struct mt7603_dev *dev, void *data); void mt7603_mac_rx_ba_reset(struct mt7603_dev *dev, void *addr, u8 tid); -void mt7603_mac_tx_ba_reset(struct mt7603_dev *dev, int wcid, int tid, int ssn, +void mt7603_mac_tx_ba_reset(struct mt7603_dev *dev, int wcid, int tid, int ba_size); void mt7603_pse_client_reset(struct mt7603_dev *dev); diff --git a/drivers/net/wireless/mediatek/mt76/mt76x02_mac.c b/drivers/net/wireless/mediatek/mt76/mt76x02_mac.c index 9ed231abe916..4fe5a83ca5a4 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x02_mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt76x02_mac.c @@ -466,7 +466,6 @@ void mt76x02_send_tx_status(struct mt76x02_dev *dev, return; rcu_read_lock(); - mt76_tx_status_lock(mdev, &list); if (stat->wcid < ARRAY_SIZE(dev->mt76.wcid)) wcid = rcu_dereference(dev->mt76.wcid[stat->wcid]); @@ -479,6 +478,8 @@ void mt76x02_send_tx_status(struct mt76x02_dev *dev, drv_priv); } + mt76_tx_status_lock(mdev, &list); + if (wcid) { if (stat->pktid >= MT_PACKET_ID_FIRST) status.skb = mt76_tx_status_skb_get(mdev, wcid, @@ -498,7 +499,9 @@ void mt76x02_send_tx_status(struct mt76x02_dev *dev, if (*update == 0 && stat_val == stat_cache && stat->wcid == msta->status.wcid && msta->n_frames < 32) { msta->n_frames++; - goto out; + mt76_tx_status_unlock(mdev, &list); + rcu_read_unlock(); + return; } mt76x02_mac_fill_tx_status(dev, status.info, &msta->status, @@ -514,11 +517,10 @@ void mt76x02_send_tx_status(struct mt76x02_dev *dev, if (status.skb) mt76_tx_status_skb_done(mdev, status.skb, &list); - else - ieee80211_tx_status_ext(mt76_hw(dev), &status); - -out: mt76_tx_status_unlock(mdev, &list); + + if (!status.skb) + ieee80211_tx_status_ext(mt76_hw(dev), &status); rcu_read_unlock(); } diff --git a/drivers/net/wireless/ralink/rt2x00/rt2x00.h b/drivers/net/wireless/ralink/rt2x00/rt2x00.h index 4b1744e9fb78..50b92ca92bd7 100644 --- a/drivers/net/wireless/ralink/rt2x00/rt2x00.h +++ b/drivers/net/wireless/ralink/rt2x00/rt2x00.h @@ -673,7 +673,6 @@ enum rt2x00_state_flags { CONFIG_CHANNEL_HT40, CONFIG_POWERSAVING, CONFIG_HT_DISABLED, - CONFIG_QOS_DISABLED, CONFIG_MONITORING, /* diff --git a/drivers/net/wireless/ralink/rt2x00/rt2x00mac.c b/drivers/net/wireless/ralink/rt2x00/rt2x00mac.c index 2825560e2424..e8462f25d252 100644 --- a/drivers/net/wireless/ralink/rt2x00/rt2x00mac.c +++ b/drivers/net/wireless/ralink/rt2x00/rt2x00mac.c @@ -642,19 +642,9 @@ void rt2x00mac_bss_info_changed(struct ieee80211_hw *hw, rt2x00dev->intf_associated--; rt2x00leds_led_assoc(rt2x00dev, !!rt2x00dev->intf_associated); - - clear_bit(CONFIG_QOS_DISABLED, &rt2x00dev->flags); } /* - * Check for access point which do not support 802.11e . We have to - * generate data frames sequence number in S/W for such AP, because - * of H/W bug. - */ - if (changes & BSS_CHANGED_QOS && !bss_conf->qos) - set_bit(CONFIG_QOS_DISABLED, &rt2x00dev->flags); - - /* * When the erp information has changed, we should perform * additional configuration steps. For all other changes we are done. */ diff --git a/drivers/net/wireless/ralink/rt2x00/rt2x00queue.c b/drivers/net/wireless/ralink/rt2x00/rt2x00queue.c index 92ddc19e7bf7..4834b4eb0206 100644 --- a/drivers/net/wireless/ralink/rt2x00/rt2x00queue.c +++ b/drivers/net/wireless/ralink/rt2x00/rt2x00queue.c @@ -201,15 +201,18 @@ static void rt2x00queue_create_tx_descriptor_seq(struct rt2x00_dev *rt2x00dev, if (!rt2x00_has_cap_flag(rt2x00dev, REQUIRE_SW_SEQNO)) { /* * rt2800 has a H/W (or F/W) bug, device incorrectly increase - * seqno on retransmited data (non-QOS) frames. To workaround - * the problem let's generate seqno in software if QOS is - * disabled. + * seqno on retransmitted data (non-QOS) and management frames. + * To workaround the problem let's generate seqno in software. + * Except for beacons which are transmitted periodically by H/W + * hence hardware has to assign seqno for them. */ - if (test_bit(CONFIG_QOS_DISABLED, &rt2x00dev->flags)) - __clear_bit(ENTRY_TXD_GENERATE_SEQ, &txdesc->flags); - else + if (ieee80211_is_beacon(hdr->frame_control)) { + __set_bit(ENTRY_TXD_GENERATE_SEQ, &txdesc->flags); /* H/W will generate sequence number */ return; + } + + __clear_bit(ENTRY_TXD_GENERATE_SEQ, &txdesc->flags); } /* diff --git a/drivers/nfc/st95hf/core.c b/drivers/nfc/st95hf/core.c index 2b26f762fbc3..01acb6e53365 100644 --- a/drivers/nfc/st95hf/core.c +++ b/drivers/nfc/st95hf/core.c @@ -1074,6 +1074,12 @@ static const struct spi_device_id st95hf_id[] = { }; MODULE_DEVICE_TABLE(spi, st95hf_id); +static const struct of_device_id st95hf_spi_of_match[] = { + { .compatible = "st,st95hf" }, + { }, +}; +MODULE_DEVICE_TABLE(of, st95hf_spi_of_match); + static int st95hf_probe(struct spi_device *nfc_spi_dev) { int ret; @@ -1260,6 +1266,7 @@ static struct spi_driver st95hf_driver = { .driver = { .name = "st95hf", .owner = THIS_MODULE, + .of_match_table = of_match_ptr(st95hf_spi_of_match), }, .id_table = st95hf_id, .probe = st95hf_probe, diff --git a/drivers/ntb/hw/idt/ntb_hw_idt.c b/drivers/ntb/hw/idt/ntb_hw_idt.c index 1dede87dd54f..dcf234680535 100644 --- a/drivers/ntb/hw/idt/ntb_hw_idt.c +++ b/drivers/ntb/hw/idt/ntb_hw_idt.c @@ -358,8 +358,6 @@ static void idt_sw_write(struct idt_ntb_dev *ndev, iowrite32((u32)reg, ndev->cfgspc + (ptrdiff_t)IDT_NT_GASAADDR); /* Put the new value of the register */ iowrite32(data, ndev->cfgspc + (ptrdiff_t)IDT_NT_GASADATA); - /* Make sure the PCIe transactions are executed */ - mmiowb(); /* Unlock GASA registers operations */ spin_unlock_irqrestore(&ndev->gasa_lock, irqflags); } @@ -750,7 +748,6 @@ static void idt_ntb_local_link_enable(struct idt_ntb_dev *ndev) spin_lock_irqsave(&ndev->mtbl_lock, irqflags); idt_nt_write(ndev, IDT_NT_NTMTBLADDR, ndev->part); idt_nt_write(ndev, IDT_NT_NTMTBLDATA, mtbldata); - mmiowb(); spin_unlock_irqrestore(&ndev->mtbl_lock, irqflags); /* Notify the peers by setting and clearing the global signal bit */ @@ -778,7 +775,6 @@ static void idt_ntb_local_link_disable(struct idt_ntb_dev *ndev) spin_lock_irqsave(&ndev->mtbl_lock, irqflags); idt_nt_write(ndev, IDT_NT_NTMTBLADDR, ndev->part); idt_nt_write(ndev, IDT_NT_NTMTBLDATA, 0); - mmiowb(); spin_unlock_irqrestore(&ndev->mtbl_lock, irqflags); /* Notify the peers by setting and clearing the global signal bit */ @@ -1339,7 +1335,6 @@ static int idt_ntb_peer_mw_set_trans(struct ntb_dev *ntb, int pidx, int widx, idt_nt_write(ndev, IDT_NT_LUTLDATA, (u32)addr); idt_nt_write(ndev, IDT_NT_LUTMDATA, (u32)(addr >> 32)); idt_nt_write(ndev, IDT_NT_LUTUDATA, data); - mmiowb(); spin_unlock_irqrestore(&ndev->lut_lock, irqflags); /* Limit address isn't specified since size is fixed for LUT */ } @@ -1393,7 +1388,6 @@ static int idt_ntb_peer_mw_clear_trans(struct ntb_dev *ntb, int pidx, idt_nt_write(ndev, IDT_NT_LUTLDATA, 0); idt_nt_write(ndev, IDT_NT_LUTMDATA, 0); idt_nt_write(ndev, IDT_NT_LUTUDATA, 0); - mmiowb(); spin_unlock_irqrestore(&ndev->lut_lock, irqflags); } @@ -1812,7 +1806,6 @@ static int idt_ntb_peer_msg_write(struct ntb_dev *ntb, int pidx, int midx, /* Set the route and send the data */ idt_sw_write(ndev, partdata_tbl[ndev->part].msgctl[midx], swpmsgctl); idt_nt_write(ndev, ntdata_tbl.msgs[midx].out, msg); - mmiowb(); /* Unlock the messages routing table */ spin_unlock_irqrestore(&ndev->msg_locks[midx], irqflags); diff --git a/drivers/ntb/test/ntb_perf.c b/drivers/ntb/test/ntb_perf.c index 2a9d6b0d1f19..11a6cd374004 100644 --- a/drivers/ntb/test/ntb_perf.c +++ b/drivers/ntb/test/ntb_perf.c @@ -284,11 +284,9 @@ static int perf_spad_cmd_send(struct perf_peer *peer, enum perf_cmd cmd, ntb_peer_spad_write(perf->ntb, peer->pidx, PERF_SPAD_HDATA(perf->gidx), upper_32_bits(data)); - mmiowb(); ntb_peer_spad_write(perf->ntb, peer->pidx, PERF_SPAD_CMD(perf->gidx), cmd); - mmiowb(); ntb_peer_db_set(perf->ntb, PERF_SPAD_NOTIFY(peer->gidx)); dev_dbg(&perf->ntb->dev, "DB ring peer %#llx\n", @@ -379,7 +377,6 @@ static int perf_msg_cmd_send(struct perf_peer *peer, enum perf_cmd cmd, ntb_peer_msg_write(perf->ntb, peer->pidx, PERF_MSG_HDATA, upper_32_bits(data)); - mmiowb(); /* This call shall trigger peer message event */ ntb_peer_msg_write(perf->ntb, peer->pidx, PERF_MSG_CMD, cmd); diff --git a/drivers/nvdimm/btt_devs.c b/drivers/nvdimm/btt_devs.c index b72a303176c7..9486acc08402 100644 --- a/drivers/nvdimm/btt_devs.c +++ b/drivers/nvdimm/btt_devs.c @@ -198,14 +198,15 @@ static struct device *__nd_btt_create(struct nd_region *nd_region, return NULL; nd_btt->id = ida_simple_get(&nd_region->btt_ida, 0, 0, GFP_KERNEL); - if (nd_btt->id < 0) { - kfree(nd_btt); - return NULL; - } + if (nd_btt->id < 0) + goto out_nd_btt; nd_btt->lbasize = lbasize; - if (uuid) + if (uuid) { uuid = kmemdup(uuid, 16, GFP_KERNEL); + if (!uuid) + goto out_put_id; + } nd_btt->uuid = uuid; dev = &nd_btt->dev; dev_set_name(dev, "btt%d.%d", nd_region->id, nd_btt->id); @@ -220,6 +221,13 @@ static struct device *__nd_btt_create(struct nd_region *nd_region, return NULL; } return dev; + +out_put_id: + ida_simple_remove(&nd_region->btt_ida, nd_btt->id); + +out_nd_btt: + kfree(nd_btt); + return NULL; } struct device *nd_btt_create(struct nd_region *nd_region) diff --git a/drivers/nvdimm/namespace_devs.c b/drivers/nvdimm/namespace_devs.c index 7849bf1812c4..f293556cbbf6 100644 --- a/drivers/nvdimm/namespace_devs.c +++ b/drivers/nvdimm/namespace_devs.c @@ -2249,9 +2249,12 @@ static struct device *create_namespace_blk(struct nd_region *nd_region, if (!nsblk->uuid) goto blk_err; memcpy(name, nd_label->name, NSLABEL_NAME_LEN); - if (name[0]) + if (name[0]) { nsblk->alt_name = kmemdup(name, NSLABEL_NAME_LEN, GFP_KERNEL); + if (!nsblk->alt_name) + goto blk_err; + } res = nsblk_add_resource(nd_region, ndd, nsblk, __le64_to_cpu(nd_label->dpa)); if (!res) diff --git a/drivers/nvdimm/pmem.c b/drivers/nvdimm/pmem.c index bc2f700feef8..0279eb1da3ef 100644 --- a/drivers/nvdimm/pmem.c +++ b/drivers/nvdimm/pmem.c @@ -113,13 +113,13 @@ static void write_pmem(void *pmem_addr, struct page *page, while (len) { mem = kmap_atomic(page); - chunk = min_t(unsigned int, len, PAGE_SIZE); + chunk = min_t(unsigned int, len, PAGE_SIZE - off); memcpy_flushcache(pmem_addr, mem + off, chunk); kunmap_atomic(mem); len -= chunk; off = 0; page++; - pmem_addr += PAGE_SIZE; + pmem_addr += chunk; } } @@ -132,7 +132,7 @@ static blk_status_t read_pmem(struct page *page, unsigned int off, while (len) { mem = kmap_atomic(page); - chunk = min_t(unsigned int, len, PAGE_SIZE); + chunk = min_t(unsigned int, len, PAGE_SIZE - off); rem = memcpy_mcsafe(mem + off, pmem_addr, chunk); kunmap_atomic(mem); if (rem) @@ -140,7 +140,7 @@ static blk_status_t read_pmem(struct page *page, unsigned int off, len -= chunk; off = 0; page++; - pmem_addr += PAGE_SIZE; + pmem_addr += chunk; } return BLK_STS_OK; } diff --git a/drivers/nvdimm/security.c b/drivers/nvdimm/security.c index f8bb746a549f..a570f2263a42 100644 --- a/drivers/nvdimm/security.c +++ b/drivers/nvdimm/security.c @@ -22,6 +22,8 @@ static bool key_revalidate = true; module_param(key_revalidate, bool, 0444); MODULE_PARM_DESC(key_revalidate, "Require key validation at init."); +static const char zero_key[NVDIMM_PASSPHRASE_LEN]; + static void *key_data(struct key *key) { struct encrypted_key_payload *epayload = dereference_key_locked(key); @@ -75,6 +77,16 @@ static struct key *nvdimm_request_key(struct nvdimm *nvdimm) return key; } +static const void *nvdimm_get_key_payload(struct nvdimm *nvdimm, + struct key **key) +{ + *key = nvdimm_request_key(nvdimm); + if (!*key) + return zero_key; + + return key_data(*key); +} + static struct key *nvdimm_lookup_user_key(struct nvdimm *nvdimm, key_serial_t id, int subclass) { @@ -105,36 +117,57 @@ static struct key *nvdimm_lookup_user_key(struct nvdimm *nvdimm, return key; } -static struct key *nvdimm_key_revalidate(struct nvdimm *nvdimm) +static const void *nvdimm_get_user_key_payload(struct nvdimm *nvdimm, + key_serial_t id, int subclass, struct key **key) +{ + *key = NULL; + if (id == 0) { + if (subclass == NVDIMM_BASE_KEY) + return zero_key; + else + return NULL; + } + + *key = nvdimm_lookup_user_key(nvdimm, id, subclass); + if (!*key) + return NULL; + + return key_data(*key); +} + + +static int nvdimm_key_revalidate(struct nvdimm *nvdimm) { struct key *key; int rc; + const void *data; if (!nvdimm->sec.ops->change_key) - return NULL; + return -EOPNOTSUPP; - key = nvdimm_request_key(nvdimm); - if (!key) - return NULL; + data = nvdimm_get_key_payload(nvdimm, &key); /* * Send the same key to the hardware as new and old key to * verify that the key is good. */ - rc = nvdimm->sec.ops->change_key(nvdimm, key_data(key), - key_data(key), NVDIMM_USER); + rc = nvdimm->sec.ops->change_key(nvdimm, data, data, NVDIMM_USER); if (rc < 0) { nvdimm_put_key(key); - key = NULL; + return rc; } - return key; + + nvdimm_put_key(key); + nvdimm->sec.state = nvdimm_security_state(nvdimm, NVDIMM_USER); + return 0; } static int __nvdimm_security_unlock(struct nvdimm *nvdimm) { struct device *dev = &nvdimm->dev; struct nvdimm_bus *nvdimm_bus = walk_to_nvdimm_bus(dev); - struct key *key = NULL; + struct key *key; + const void *data; int rc; /* The bus lock should be held at the top level of the call stack */ @@ -160,16 +193,11 @@ static int __nvdimm_security_unlock(struct nvdimm *nvdimm) if (!key_revalidate) return 0; - key = nvdimm_key_revalidate(nvdimm); - if (!key) - return nvdimm_security_freeze(nvdimm); + return nvdimm_key_revalidate(nvdimm); } else - key = nvdimm_request_key(nvdimm); + data = nvdimm_get_key_payload(nvdimm, &key); - if (!key) - return -ENOKEY; - - rc = nvdimm->sec.ops->unlock(nvdimm, key_data(key)); + rc = nvdimm->sec.ops->unlock(nvdimm, data); dev_dbg(dev, "key: %d unlock: %s\n", key_serial(key), rc == 0 ? "success" : "fail"); @@ -195,6 +223,7 @@ int nvdimm_security_disable(struct nvdimm *nvdimm, unsigned int keyid) struct nvdimm_bus *nvdimm_bus = walk_to_nvdimm_bus(dev); struct key *key; int rc; + const void *data; /* The bus lock should be held at the top level of the call stack */ lockdep_assert_held(&nvdimm_bus->reconfig_mutex); @@ -214,11 +243,12 @@ int nvdimm_security_disable(struct nvdimm *nvdimm, unsigned int keyid) return -EBUSY; } - key = nvdimm_lookup_user_key(nvdimm, keyid, NVDIMM_BASE_KEY); - if (!key) + data = nvdimm_get_user_key_payload(nvdimm, keyid, + NVDIMM_BASE_KEY, &key); + if (!data) return -ENOKEY; - rc = nvdimm->sec.ops->disable(nvdimm, key_data(key)); + rc = nvdimm->sec.ops->disable(nvdimm, data); dev_dbg(dev, "key: %d disable: %s\n", key_serial(key), rc == 0 ? "success" : "fail"); @@ -235,6 +265,7 @@ int nvdimm_security_update(struct nvdimm *nvdimm, unsigned int keyid, struct nvdimm_bus *nvdimm_bus = walk_to_nvdimm_bus(dev); struct key *key, *newkey; int rc; + const void *data, *newdata; /* The bus lock should be held at the top level of the call stack */ lockdep_assert_held(&nvdimm_bus->reconfig_mutex); @@ -249,22 +280,19 @@ int nvdimm_security_update(struct nvdimm *nvdimm, unsigned int keyid, return -EIO; } - if (keyid == 0) - key = NULL; - else { - key = nvdimm_lookup_user_key(nvdimm, keyid, NVDIMM_BASE_KEY); - if (!key) - return -ENOKEY; - } + data = nvdimm_get_user_key_payload(nvdimm, keyid, + NVDIMM_BASE_KEY, &key); + if (!data) + return -ENOKEY; - newkey = nvdimm_lookup_user_key(nvdimm, new_keyid, NVDIMM_NEW_KEY); - if (!newkey) { + newdata = nvdimm_get_user_key_payload(nvdimm, new_keyid, + NVDIMM_NEW_KEY, &newkey); + if (!newdata) { nvdimm_put_key(key); return -ENOKEY; } - rc = nvdimm->sec.ops->change_key(nvdimm, key ? key_data(key) : NULL, - key_data(newkey), pass_type); + rc = nvdimm->sec.ops->change_key(nvdimm, data, newdata, pass_type); dev_dbg(dev, "key: %d %d update%s: %s\n", key_serial(key), key_serial(newkey), pass_type == NVDIMM_MASTER ? "(master)" : "(user)", @@ -286,8 +314,9 @@ int nvdimm_security_erase(struct nvdimm *nvdimm, unsigned int keyid, { struct device *dev = &nvdimm->dev; struct nvdimm_bus *nvdimm_bus = walk_to_nvdimm_bus(dev); - struct key *key; + struct key *key = NULL; int rc; + const void *data; /* The bus lock should be held at the top level of the call stack */ lockdep_assert_held(&nvdimm_bus->reconfig_mutex); @@ -319,11 +348,12 @@ int nvdimm_security_erase(struct nvdimm *nvdimm, unsigned int keyid, return -EOPNOTSUPP; } - key = nvdimm_lookup_user_key(nvdimm, keyid, NVDIMM_BASE_KEY); - if (!key) + data = nvdimm_get_user_key_payload(nvdimm, keyid, + NVDIMM_BASE_KEY, &key); + if (!data) return -ENOKEY; - rc = nvdimm->sec.ops->erase(nvdimm, key_data(key), pass_type); + rc = nvdimm->sec.ops->erase(nvdimm, data, pass_type); dev_dbg(dev, "key: %d erase%s: %s\n", key_serial(key), pass_type == NVDIMM_MASTER ? "(master)" : "(user)", rc == 0 ? "success" : "fail"); @@ -337,8 +367,9 @@ int nvdimm_security_overwrite(struct nvdimm *nvdimm, unsigned int keyid) { struct device *dev = &nvdimm->dev; struct nvdimm_bus *nvdimm_bus = walk_to_nvdimm_bus(dev); - struct key *key; + struct key *key = NULL; int rc; + const void *data; /* The bus lock should be held at the top level of the call stack */ lockdep_assert_held(&nvdimm_bus->reconfig_mutex); @@ -368,15 +399,12 @@ int nvdimm_security_overwrite(struct nvdimm *nvdimm, unsigned int keyid) return -EBUSY; } - if (keyid == 0) - key = NULL; - else { - key = nvdimm_lookup_user_key(nvdimm, keyid, NVDIMM_BASE_KEY); - if (!key) - return -ENOKEY; - } + data = nvdimm_get_user_key_payload(nvdimm, keyid, + NVDIMM_BASE_KEY, &key); + if (!data) + return -ENOKEY; - rc = nvdimm->sec.ops->overwrite(nvdimm, key ? key_data(key) : NULL); + rc = nvdimm->sec.ops->overwrite(nvdimm, data); dev_dbg(dev, "key: %d overwrite submission: %s\n", key_serial(key), rc == 0 ? "success" : "fail"); diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index 470601980794..6265d9225ec8 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -288,7 +288,7 @@ bool nvme_cancel_request(struct request *req, void *data, bool reserved) "Cancelling I/O %d", req->tag); nvme_req(req)->status = NVME_SC_ABORT_REQ; - blk_mq_complete_request(req); + blk_mq_complete_request_sync(req); return true; } EXPORT_SYMBOL_GPL(nvme_cancel_request); @@ -388,7 +388,7 @@ static void nvme_free_ns_head(struct kref *ref) nvme_mpath_remove_disk(head); ida_simple_remove(&head->subsys->ns_ida, head->instance); list_del_init(&head->entry); - cleanup_srcu_struct_quiesced(&head->srcu); + cleanup_srcu_struct(&head->srcu); nvme_put_subsystem(head->subsys); kfree(head); } diff --git a/drivers/nvme/host/fc.c b/drivers/nvme/host/fc.c index f3b9d91ba0df..6d8451356eac 100644 --- a/drivers/nvme/host/fc.c +++ b/drivers/nvme/host/fc.c @@ -1845,7 +1845,7 @@ nvme_fc_init_queue(struct nvme_fc_ctrl *ctrl, int idx) memset(queue, 0, sizeof(*queue)); queue->ctrl = ctrl; queue->qnum = idx; - atomic_set(&queue->csn, 1); + atomic_set(&queue->csn, 0); queue->dev = ctrl->dev; if (idx > 0) @@ -1887,7 +1887,7 @@ nvme_fc_free_queue(struct nvme_fc_queue *queue) */ queue->connection_id = 0; - atomic_set(&queue->csn, 1); + atomic_set(&queue->csn, 0); } static void @@ -2183,7 +2183,6 @@ nvme_fc_start_fcp_op(struct nvme_fc_ctrl *ctrl, struct nvme_fc_queue *queue, { struct nvme_fc_cmd_iu *cmdiu = &op->cmd_iu; struct nvme_command *sqe = &cmdiu->sqe; - u32 csn; int ret, opstate; /* @@ -2198,8 +2197,6 @@ nvme_fc_start_fcp_op(struct nvme_fc_ctrl *ctrl, struct nvme_fc_queue *queue, /* format the FC-NVME CMD IU and fcp_req */ cmdiu->connection_id = cpu_to_be64(queue->connection_id); - csn = atomic_inc_return(&queue->csn); - cmdiu->csn = cpu_to_be32(csn); cmdiu->data_len = cpu_to_be32(data_len); switch (io_dir) { case NVMEFC_FCP_WRITE: @@ -2257,11 +2254,24 @@ nvme_fc_start_fcp_op(struct nvme_fc_ctrl *ctrl, struct nvme_fc_queue *queue, if (!(op->flags & FCOP_FLAGS_AEN)) blk_mq_start_request(op->rq); + cmdiu->csn = cpu_to_be32(atomic_inc_return(&queue->csn)); ret = ctrl->lport->ops->fcp_io(&ctrl->lport->localport, &ctrl->rport->remoteport, queue->lldd_handle, &op->fcp_req); if (ret) { + /* + * If the lld fails to send the command is there an issue with + * the csn value? If the command that fails is the Connect, + * no - as the connection won't be live. If it is a command + * post-connect, it's possible a gap in csn may be created. + * Does this matter? As Linux initiators don't send fused + * commands, no. The gap would exist, but as there's nothing + * that depends on csn order to be delivered on the target + * side, it shouldn't hurt. It would be difficult for a + * target to even detect the csn gap as it has no idea when the + * cmd with the csn was supposed to arrive. + */ opstate = atomic_xchg(&op->state, FCPOP_STATE_COMPLETE); __nvme_fc_fcpop_chk_teardowns(ctrl, op, opstate); diff --git a/drivers/nvme/target/admin-cmd.c b/drivers/nvme/target/admin-cmd.c index 76250181fee0..9f72d515fc4b 100644 --- a/drivers/nvme/target/admin-cmd.c +++ b/drivers/nvme/target/admin-cmd.c @@ -24,6 +24,11 @@ u32 nvmet_get_log_page_len(struct nvme_command *cmd) return len; } +u64 nvmet_get_log_page_offset(struct nvme_command *cmd) +{ + return le64_to_cpu(cmd->get_log_page.lpo); +} + static void nvmet_execute_get_log_page_noop(struct nvmet_req *req) { nvmet_req_complete(req, nvmet_zero_sgl(req, 0, req->data_len)); diff --git a/drivers/nvme/target/discovery.c b/drivers/nvme/target/discovery.c index c872b47a88f3..33ed95e72d6b 100644 --- a/drivers/nvme/target/discovery.c +++ b/drivers/nvme/target/discovery.c @@ -131,54 +131,76 @@ static void nvmet_set_disc_traddr(struct nvmet_req *req, struct nvmet_port *port memcpy(traddr, port->disc_addr.traddr, NVMF_TRADDR_SIZE); } +static size_t discovery_log_entries(struct nvmet_req *req) +{ + struct nvmet_ctrl *ctrl = req->sq->ctrl; + struct nvmet_subsys_link *p; + struct nvmet_port *r; + size_t entries = 0; + + list_for_each_entry(p, &req->port->subsystems, entry) { + if (!nvmet_host_allowed(p->subsys, ctrl->hostnqn)) + continue; + entries++; + } + list_for_each_entry(r, &req->port->referrals, entry) + entries++; + return entries; +} + static void nvmet_execute_get_disc_log_page(struct nvmet_req *req) { const int entry_size = sizeof(struct nvmf_disc_rsp_page_entry); struct nvmet_ctrl *ctrl = req->sq->ctrl; struct nvmf_disc_rsp_page_hdr *hdr; + u64 offset = nvmet_get_log_page_offset(req->cmd); size_t data_len = nvmet_get_log_page_len(req->cmd); - size_t alloc_len = max(data_len, sizeof(*hdr)); - int residual_len = data_len - sizeof(*hdr); + size_t alloc_len; struct nvmet_subsys_link *p; struct nvmet_port *r; u32 numrec = 0; u16 status = 0; + void *buffer; + + /* Spec requires dword aligned offsets */ + if (offset & 0x3) { + status = NVME_SC_INVALID_FIELD | NVME_SC_DNR; + goto out; + } /* * Make sure we're passing at least a buffer of response header size. * If host provided data len is less than the header size, only the * number of bytes requested by host will be sent to host. */ - hdr = kzalloc(alloc_len, GFP_KERNEL); - if (!hdr) { + down_read(&nvmet_config_sem); + alloc_len = sizeof(*hdr) + entry_size * discovery_log_entries(req); + buffer = kzalloc(alloc_len, GFP_KERNEL); + if (!buffer) { + up_read(&nvmet_config_sem); status = NVME_SC_INTERNAL; goto out; } - down_read(&nvmet_config_sem); + hdr = buffer; list_for_each_entry(p, &req->port->subsystems, entry) { + char traddr[NVMF_TRADDR_SIZE]; + if (!nvmet_host_allowed(p->subsys, ctrl->hostnqn)) continue; - if (residual_len >= entry_size) { - char traddr[NVMF_TRADDR_SIZE]; - - nvmet_set_disc_traddr(req, req->port, traddr); - nvmet_format_discovery_entry(hdr, req->port, - p->subsys->subsysnqn, traddr, - NVME_NQN_NVME, numrec); - residual_len -= entry_size; - } + + nvmet_set_disc_traddr(req, req->port, traddr); + nvmet_format_discovery_entry(hdr, req->port, + p->subsys->subsysnqn, traddr, + NVME_NQN_NVME, numrec); numrec++; } list_for_each_entry(r, &req->port->referrals, entry) { - if (residual_len >= entry_size) { - nvmet_format_discovery_entry(hdr, r, - NVME_DISC_SUBSYS_NAME, - r->disc_addr.traddr, - NVME_NQN_DISC, numrec); - residual_len -= entry_size; - } + nvmet_format_discovery_entry(hdr, r, + NVME_DISC_SUBSYS_NAME, + r->disc_addr.traddr, + NVME_NQN_DISC, numrec); numrec++; } @@ -190,8 +212,8 @@ static void nvmet_execute_get_disc_log_page(struct nvmet_req *req) up_read(&nvmet_config_sem); - status = nvmet_copy_to_sgl(req, 0, hdr, data_len); - kfree(hdr); + status = nvmet_copy_to_sgl(req, 0, buffer + offset, data_len); + kfree(buffer); out: nvmet_req_complete(req, status); } diff --git a/drivers/nvme/target/nvmet.h b/drivers/nvme/target/nvmet.h index 51e49efd7849..1653d19b187f 100644 --- a/drivers/nvme/target/nvmet.h +++ b/drivers/nvme/target/nvmet.h @@ -428,6 +428,7 @@ u16 nvmet_copy_from_sgl(struct nvmet_req *req, off_t off, void *buf, u16 nvmet_zero_sgl(struct nvmet_req *req, off_t off, size_t len); u32 nvmet_get_log_page_len(struct nvme_command *cmd); +u64 nvmet_get_log_page_offset(struct nvme_command *cmd); extern struct list_head *nvmet_ports; void nvmet_port_disc_changed(struct nvmet_port *port, diff --git a/drivers/of/of_net.c b/drivers/of/of_net.c index 810ab0fbcccb..d820f3edd431 100644 --- a/drivers/of/of_net.c +++ b/drivers/of/of_net.c @@ -7,7 +7,6 @@ */ #include <linux/etherdevice.h> #include <linux/kernel.h> -#include <linux/nvmem-consumer.h> #include <linux/of_net.h> #include <linux/phy.h> #include <linux/export.h> diff --git a/drivers/opp/core.c b/drivers/opp/core.c index 0420f7e8ad5b..0e7703fe733f 100644 --- a/drivers/opp/core.c +++ b/drivers/opp/core.c @@ -526,6 +526,60 @@ struct dev_pm_opp *dev_pm_opp_find_freq_floor(struct device *dev, } EXPORT_SYMBOL_GPL(dev_pm_opp_find_freq_floor); +/** + * dev_pm_opp_find_freq_ceil_by_volt() - Find OPP with highest frequency for + * target voltage. + * @dev: Device for which we do this operation. + * @u_volt: Target voltage. + * + * Search for OPP with highest (ceil) frequency and has voltage <= u_volt. + * + * Return: matching *opp, else returns ERR_PTR in case of error which should be + * handled using IS_ERR. + * + * Error return values can be: + * EINVAL: bad parameters + * + * The callers are required to call dev_pm_opp_put() for the returned OPP after + * use. + */ +struct dev_pm_opp *dev_pm_opp_find_freq_ceil_by_volt(struct device *dev, + unsigned long u_volt) +{ + struct opp_table *opp_table; + struct dev_pm_opp *temp_opp, *opp = ERR_PTR(-ERANGE); + + if (!dev || !u_volt) { + dev_err(dev, "%s: Invalid argument volt=%lu\n", __func__, + u_volt); + return ERR_PTR(-EINVAL); + } + + opp_table = _find_opp_table(dev); + if (IS_ERR(opp_table)) + return ERR_CAST(opp_table); + + mutex_lock(&opp_table->lock); + + list_for_each_entry(temp_opp, &opp_table->opp_list, node) { + if (temp_opp->available) { + if (temp_opp->supplies[0].u_volt > u_volt) + break; + opp = temp_opp; + } + } + + /* Increment the reference count of OPP */ + if (!IS_ERR(opp)) + dev_pm_opp_get(opp); + + mutex_unlock(&opp_table->lock); + dev_pm_opp_put_opp_table(opp_table); + + return opp; +} +EXPORT_SYMBOL_GPL(dev_pm_opp_find_freq_ceil_by_volt); + static int _set_opp_voltage(struct device *dev, struct regulator *reg, struct dev_pm_opp_supply *supply) { diff --git a/drivers/parisc/iosapic.c b/drivers/parisc/iosapic.c index 1be571c20062..6bad04cbb1d3 100644 --- a/drivers/parisc/iosapic.c +++ b/drivers/parisc/iosapic.c @@ -157,8 +157,12 @@ #define DBG_IRT(x...) #endif +#ifdef CONFIG_64BIT +#define COMPARE_IRTE_ADDR(irte, hpa) ((irte)->dest_iosapic_addr == (hpa)) +#else #define COMPARE_IRTE_ADDR(irte, hpa) \ - ((irte)->dest_iosapic_addr == F_EXTEND(hpa)) + ((irte)->dest_iosapic_addr == ((hpa) | 0xffffffff00000000ULL)) +#endif #define IOSAPIC_REG_SELECT 0x00 #define IOSAPIC_REG_WINDOW 0x10 diff --git a/drivers/pci/controller/Kconfig b/drivers/pci/controller/Kconfig index 6012f3059acd..011c57cae4b0 100644 --- a/drivers/pci/controller/Kconfig +++ b/drivers/pci/controller/Kconfig @@ -267,6 +267,7 @@ config PCIE_TANGO_SMP8759 config VMD depends on PCI_MSI && X86_64 && SRCU + select X86_DEV_DMA_OPS tristate "Intel Volume Management Device Driver" ---help--- Adds support for the Intel Volume Management Device (VMD). VMD is a diff --git a/drivers/pci/controller/vmd.c b/drivers/pci/controller/vmd.c index cf6816b55b5e..999a5509e57e 100644 --- a/drivers/pci/controller/vmd.c +++ b/drivers/pci/controller/vmd.c @@ -95,10 +95,8 @@ struct vmd_dev { struct irq_domain *irq_domain; struct pci_bus *bus; -#ifdef CONFIG_X86_DEV_DMA_OPS struct dma_map_ops dma_ops; struct dma_domain dma_domain; -#endif }; static inline struct vmd_dev *vmd_from_bus(struct pci_bus *bus) @@ -293,7 +291,6 @@ static struct msi_domain_info vmd_msi_domain_info = { .chip = &vmd_msi_controller, }; -#ifdef CONFIG_X86_DEV_DMA_OPS /* * VMD replaces the requester ID with its own. DMA mappings for devices in a * VMD domain need to be mapped for the VMD, not the device requiring @@ -438,10 +435,6 @@ static void vmd_setup_dma_ops(struct vmd_dev *vmd) add_dma_domain(domain); } #undef ASSIGN_VMD_DMA_OPS -#else -static void vmd_teardown_dma_ops(struct vmd_dev *vmd) {} -static void vmd_setup_dma_ops(struct vmd_dev *vmd) {} -#endif static char __iomem *vmd_cfg_addr(struct vmd_dev *vmd, struct pci_bus *bus, unsigned int devfn, int reg, int len) diff --git a/drivers/pci/hotplug/pciehp_ctrl.c b/drivers/pci/hotplug/pciehp_ctrl.c index 3f3df4c29f6e..905282a8ddaa 100644 --- a/drivers/pci/hotplug/pciehp_ctrl.c +++ b/drivers/pci/hotplug/pciehp_ctrl.c @@ -115,6 +115,10 @@ static void remove_board(struct controller *ctrl, bool safe_removal) * removed from the slot/adapter. */ msleep(1000); + + /* Ignore link or presence changes caused by power off */ + atomic_and(~(PCI_EXP_SLTSTA_DLLSC | PCI_EXP_SLTSTA_PDC), + &ctrl->pending_events); } /* turn off Green LED */ diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index 7c1b362f599a..766f5779db92 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -6262,8 +6262,7 @@ static int __init pci_setup(char *str) } else if (!strncmp(str, "pcie_scan_all", 13)) { pci_add_flags(PCI_SCAN_ALL_PCIE_DEVS); } else if (!strncmp(str, "disable_acs_redir=", 18)) { - disable_acs_redir_param = - kstrdup(str + 18, GFP_KERNEL); + disable_acs_redir_param = str + 18; } else { printk(KERN_ERR "PCI: Unknown option `%s'\n", str); @@ -6274,3 +6273,19 @@ static int __init pci_setup(char *str) return 0; } early_param("pci", pci_setup); + +/* + * 'disable_acs_redir_param' is initialized in pci_setup(), above, to point + * to data in the __initdata section which will be freed after the init + * sequence is complete. We can't allocate memory in pci_setup() because some + * architectures do not have any memory allocation service available during + * an early_param() call. So we allocate memory and copy the variable here + * before the init section is freed. + */ +static int __init pci_realloc_setup_params(void) +{ + disable_acs_redir_param = kstrdup(disable_acs_redir_param, GFP_KERNEL); + + return 0; +} +pure_initcall(pci_realloc_setup_params); diff --git a/drivers/pci/pcie/Kconfig b/drivers/pci/pcie/Kconfig index 5cbdbca904ac..362eb8cfa53b 100644 --- a/drivers/pci/pcie/Kconfig +++ b/drivers/pci/pcie/Kconfig @@ -142,3 +142,11 @@ config PCIE_PTM This is only useful if you have devices that support PTM, but it is safe to enable even if you don't. + +config PCIE_BW + bool "PCI Express Bandwidth Change Notification" + depends on PCIEPORTBUS + help + This enables PCI Express Bandwidth Change Notification. If + you know link width or rate changes occur only to correct + unreliable links, you may answer Y. diff --git a/drivers/pci/pcie/Makefile b/drivers/pci/pcie/Makefile index f1d7bc1e5efa..efb9d2e71e9e 100644 --- a/drivers/pci/pcie/Makefile +++ b/drivers/pci/pcie/Makefile @@ -3,7 +3,6 @@ # Makefile for PCI Express features and port driver pcieportdrv-y := portdrv_core.o portdrv_pci.o err.o -pcieportdrv-y += bw_notification.o obj-$(CONFIG_PCIEPORTBUS) += pcieportdrv.o @@ -13,3 +12,4 @@ obj-$(CONFIG_PCIEAER_INJECT) += aer_inject.o obj-$(CONFIG_PCIE_PME) += pme.o obj-$(CONFIG_PCIE_DPC) += dpc.o obj-$(CONFIG_PCIE_PTM) += ptm.o +obj-$(CONFIG_PCIE_BW) += bw_notification.o diff --git a/drivers/pci/pcie/portdrv.h b/drivers/pci/pcie/portdrv.h index 1d50dc58ac40..944827a8c7d3 100644 --- a/drivers/pci/pcie/portdrv.h +++ b/drivers/pci/pcie/portdrv.h @@ -49,7 +49,11 @@ int pcie_dpc_init(void); static inline int pcie_dpc_init(void) { return 0; } #endif +#ifdef CONFIG_PCIE_BW int pcie_bandwidth_notification_init(void); +#else +static inline int pcie_bandwidth_notification_init(void) { return 0; } +#endif /* Port Type */ #define PCIE_ANY_PORT (~0) diff --git a/drivers/pci/pcie/portdrv_core.c b/drivers/pci/pcie/portdrv_core.c index 7d04f9d087a6..1b330129089f 100644 --- a/drivers/pci/pcie/portdrv_core.c +++ b/drivers/pci/pcie/portdrv_core.c @@ -55,7 +55,8 @@ static int pcie_message_numbers(struct pci_dev *dev, int mask, * 7.8.2, 7.10.10, 7.31.2. */ - if (mask & (PCIE_PORT_SERVICE_PME | PCIE_PORT_SERVICE_HP)) { + if (mask & (PCIE_PORT_SERVICE_PME | PCIE_PORT_SERVICE_HP | + PCIE_PORT_SERVICE_BWNOTIF)) { pcie_capability_read_word(dev, PCI_EXP_FLAGS, ®16); *pme = (reg16 & PCI_EXP_FLAGS_IRQ) >> 9; nvec = *pme + 1; diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index a59ad09ce911..a077f67fe1da 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -3877,6 +3877,8 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_MARVELL_EXT, 0x9128, /* https://bugzilla.kernel.org/show_bug.cgi?id=42679#c14 */ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_MARVELL_EXT, 0x9130, quirk_dma_func1_alias); +DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_MARVELL_EXT, 0x9170, + quirk_dma_func1_alias); /* https://bugzilla.kernel.org/show_bug.cgi?id=42679#c47 + c57 */ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_MARVELL_EXT, 0x9172, quirk_dma_func1_alias); diff --git a/drivers/perf/Kconfig b/drivers/perf/Kconfig index af9bc178495d..a94e586a58b2 100644 --- a/drivers/perf/Kconfig +++ b/drivers/perf/Kconfig @@ -52,6 +52,15 @@ config ARM_PMU_ACPI depends on ARM_PMU && ACPI def_bool y +config ARM_SMMU_V3_PMU + tristate "ARM SMMUv3 Performance Monitors Extension" + depends on ARM64 && ACPI && ARM_SMMU_V3 + help + Provides support for the ARM SMMUv3 Performance Monitor Counter + Groups (PMCG), which provide monitoring of transactions passing + through the SMMU and allow the resulting information to be filtered + based on the Stream ID of the corresponding master. + config ARM_DSU_PMU tristate "ARM DynamIQ Shared Unit (DSU) PMU" depends on ARM64 diff --git a/drivers/perf/Makefile b/drivers/perf/Makefile index 909f27fd9db3..30489941f3d6 100644 --- a/drivers/perf/Makefile +++ b/drivers/perf/Makefile @@ -4,6 +4,7 @@ obj-$(CONFIG_ARM_CCN) += arm-ccn.o obj-$(CONFIG_ARM_DSU_PMU) += arm_dsu_pmu.o obj-$(CONFIG_ARM_PMU) += arm_pmu.o arm_pmu_platform.o obj-$(CONFIG_ARM_PMU_ACPI) += arm_pmu_acpi.o +obj-$(CONFIG_ARM_SMMU_V3_PMU) += arm_smmuv3_pmu.o obj-$(CONFIG_HISI_PMU) += hisilicon/ obj-$(CONFIG_QCOM_L2_PMU) += qcom_l2_pmu.o obj-$(CONFIG_QCOM_L3_PMU) += qcom_l3_pmu.o diff --git a/drivers/perf/arm-cci.c b/drivers/perf/arm-cci.c index bfd03e023308..8f8606b9bc9e 100644 --- a/drivers/perf/arm-cci.c +++ b/drivers/perf/arm-cci.c @@ -1684,21 +1684,24 @@ static int cci_pmu_probe(struct platform_device *pdev) raw_spin_lock_init(&cci_pmu->hw_events.pmu_lock); mutex_init(&cci_pmu->reserve_mutex); atomic_set(&cci_pmu->active_events, 0); - cci_pmu->cpu = get_cpu(); - - ret = cci_pmu_init(cci_pmu, pdev); - if (ret) { - put_cpu(); - return ret; - } + cci_pmu->cpu = raw_smp_processor_id(); + g_cci_pmu = cci_pmu; cpuhp_setup_state_nocalls(CPUHP_AP_PERF_ARM_CCI_ONLINE, "perf/arm/cci:online", NULL, cci_pmu_offline_cpu); - put_cpu(); - g_cci_pmu = cci_pmu; + + ret = cci_pmu_init(cci_pmu, pdev); + if (ret) + goto error_pmu_init; + pr_info("ARM %s PMU driver probed", cci_pmu->model->name); return 0; + +error_pmu_init: + cpuhp_remove_state(CPUHP_AP_PERF_ARM_CCI_ONLINE); + g_cci_pmu = NULL; + return ret; } static int cci_pmu_remove(struct platform_device *pdev) diff --git a/drivers/perf/arm-ccn.c b/drivers/perf/arm-ccn.c index 2ae76026e947..0bb52d9bdcf7 100644 --- a/drivers/perf/arm-ccn.c +++ b/drivers/perf/arm-ccn.c @@ -167,7 +167,7 @@ struct arm_ccn_dt { struct hrtimer hrtimer; - cpumask_t cpu; + unsigned int cpu; struct hlist_node node; struct pmu pmu; @@ -559,7 +559,7 @@ static ssize_t arm_ccn_pmu_cpumask_show(struct device *dev, { struct arm_ccn *ccn = pmu_to_arm_ccn(dev_get_drvdata(dev)); - return cpumap_print_to_pagebuf(true, buf, &ccn->dt.cpu); + return cpumap_print_to_pagebuf(true, buf, cpumask_of(ccn->dt.cpu)); } static struct device_attribute arm_ccn_pmu_cpumask_attr = @@ -759,7 +759,7 @@ static int arm_ccn_pmu_event_init(struct perf_event *event) * mitigate this, we enforce CPU assignment to one, selected * processor (the one described in the "cpumask" attribute). */ - event->cpu = cpumask_first(&ccn->dt.cpu); + event->cpu = ccn->dt.cpu; node_xp = CCN_CONFIG_NODE(event->attr.config); type = CCN_CONFIG_TYPE(event->attr.config); @@ -1215,15 +1215,15 @@ static int arm_ccn_pmu_offline_cpu(unsigned int cpu, struct hlist_node *node) struct arm_ccn *ccn = container_of(dt, struct arm_ccn, dt); unsigned int target; - if (!cpumask_test_and_clear_cpu(cpu, &dt->cpu)) + if (cpu != dt->cpu) return 0; target = cpumask_any_but(cpu_online_mask, cpu); if (target >= nr_cpu_ids) return 0; perf_pmu_migrate_context(&dt->pmu, cpu, target); - cpumask_set_cpu(target, &dt->cpu); + dt->cpu = target; if (ccn->irq) - WARN_ON(irq_set_affinity_hint(ccn->irq, &dt->cpu) != 0); + WARN_ON(irq_set_affinity_hint(ccn->irq, cpumask_of(dt->cpu))); return 0; } @@ -1299,29 +1299,30 @@ static int arm_ccn_pmu_init(struct arm_ccn *ccn) } /* Pick one CPU which we will use to collect data from CCN... */ - cpumask_set_cpu(get_cpu(), &ccn->dt.cpu); + ccn->dt.cpu = raw_smp_processor_id(); /* Also make sure that the overflow interrupt is handled by this CPU */ if (ccn->irq) { - err = irq_set_affinity_hint(ccn->irq, &ccn->dt.cpu); + err = irq_set_affinity_hint(ccn->irq, cpumask_of(ccn->dt.cpu)); if (err) { dev_err(ccn->dev, "Failed to set interrupt affinity!\n"); goto error_set_affinity; } } + cpuhp_state_add_instance_nocalls(CPUHP_AP_PERF_ARM_CCN_ONLINE, + &ccn->dt.node); + err = perf_pmu_register(&ccn->dt.pmu, name, -1); if (err) goto error_pmu_register; - cpuhp_state_add_instance_nocalls(CPUHP_AP_PERF_ARM_CCN_ONLINE, - &ccn->dt.node); - put_cpu(); return 0; error_pmu_register: + cpuhp_state_remove_instance_nocalls(CPUHP_AP_PERF_ARM_CCN_ONLINE, + &ccn->dt.node); error_set_affinity: - put_cpu(); error_choose_name: ida_simple_remove(&arm_ccn_pmu_ida, ccn->dt.id); for (i = 0; i < ccn->num_xps; i++) diff --git a/drivers/perf/arm_smmuv3_pmu.c b/drivers/perf/arm_smmuv3_pmu.c new file mode 100644 index 000000000000..da71c741cb46 --- /dev/null +++ b/drivers/perf/arm_smmuv3_pmu.c @@ -0,0 +1,865 @@ +// SPDX-License-Identifier: GPL-2.0 + +/* + * This driver adds support for perf events to use the Performance + * Monitor Counter Groups (PMCG) associated with an SMMUv3 node + * to monitor that node. + * + * SMMUv3 PMCG devices are named as smmuv3_pmcg_<phys_addr_page> where + * <phys_addr_page> is the physical page address of the SMMU PMCG wrapped + * to 4K boundary. For example, the PMCG at 0xff88840000 is named + * smmuv3_pmcg_ff88840 + * + * Filtering by stream id is done by specifying filtering parameters + * with the event. options are: + * filter_enable - 0 = no filtering, 1 = filtering enabled + * filter_span - 0 = exact match, 1 = pattern match + * filter_stream_id - pattern to filter against + * + * To match a partial StreamID where the X most-significant bits must match + * but the Y least-significant bits might differ, STREAMID is programmed + * with a value that contains: + * STREAMID[Y - 1] == 0. + * STREAMID[Y - 2:0] == 1 (where Y > 1). + * The remainder of implemented bits of STREAMID (X bits, from bit Y upwards) + * contain a value to match from the corresponding bits of event StreamID. + * + * Example: perf stat -e smmuv3_pmcg_ff88840/transaction,filter_enable=1, + * filter_span=1,filter_stream_id=0x42/ -a netperf + * Applies filter pattern 0x42 to transaction events, which means events + * matching stream ids 0x42 and 0x43 are counted. Further filtering + * information is available in the SMMU documentation. + * + * SMMU events are not attributable to a CPU, so task mode and sampling + * are not supported. + */ + +#include <linux/acpi.h> +#include <linux/acpi_iort.h> +#include <linux/bitfield.h> +#include <linux/bitops.h> +#include <linux/cpuhotplug.h> +#include <linux/cpumask.h> +#include <linux/device.h> +#include <linux/errno.h> +#include <linux/interrupt.h> +#include <linux/irq.h> +#include <linux/kernel.h> +#include <linux/list.h> +#include <linux/msi.h> +#include <linux/perf_event.h> +#include <linux/platform_device.h> +#include <linux/smp.h> +#include <linux/sysfs.h> +#include <linux/types.h> + +#define SMMU_PMCG_EVCNTR0 0x0 +#define SMMU_PMCG_EVCNTR(n, stride) (SMMU_PMCG_EVCNTR0 + (n) * (stride)) +#define SMMU_PMCG_EVTYPER0 0x400 +#define SMMU_PMCG_EVTYPER(n) (SMMU_PMCG_EVTYPER0 + (n) * 4) +#define SMMU_PMCG_SID_SPAN_SHIFT 29 +#define SMMU_PMCG_SMR0 0xA00 +#define SMMU_PMCG_SMR(n) (SMMU_PMCG_SMR0 + (n) * 4) +#define SMMU_PMCG_CNTENSET0 0xC00 +#define SMMU_PMCG_CNTENCLR0 0xC20 +#define SMMU_PMCG_INTENSET0 0xC40 +#define SMMU_PMCG_INTENCLR0 0xC60 +#define SMMU_PMCG_OVSCLR0 0xC80 +#define SMMU_PMCG_OVSSET0 0xCC0 +#define SMMU_PMCG_CFGR 0xE00 +#define SMMU_PMCG_CFGR_SID_FILTER_TYPE BIT(23) +#define SMMU_PMCG_CFGR_MSI BIT(21) +#define SMMU_PMCG_CFGR_RELOC_CTRS BIT(20) +#define SMMU_PMCG_CFGR_SIZE GENMASK(13, 8) +#define SMMU_PMCG_CFGR_NCTR GENMASK(5, 0) +#define SMMU_PMCG_CR 0xE04 +#define SMMU_PMCG_CR_ENABLE BIT(0) +#define SMMU_PMCG_CEID0 0xE20 +#define SMMU_PMCG_CEID1 0xE28 +#define SMMU_PMCG_IRQ_CTRL 0xE50 +#define SMMU_PMCG_IRQ_CTRL_IRQEN BIT(0) +#define SMMU_PMCG_IRQ_CFG0 0xE58 +#define SMMU_PMCG_IRQ_CFG1 0xE60 +#define SMMU_PMCG_IRQ_CFG2 0xE64 + +/* MSI config fields */ +#define MSI_CFG0_ADDR_MASK GENMASK_ULL(51, 2) +#define MSI_CFG2_MEMATTR_DEVICE_nGnRE 0x1 + +#define SMMU_PMCG_DEFAULT_FILTER_SPAN 1 +#define SMMU_PMCG_DEFAULT_FILTER_SID GENMASK(31, 0) + +#define SMMU_PMCG_MAX_COUNTERS 64 +#define SMMU_PMCG_ARCH_MAX_EVENTS 128 + +#define SMMU_PMCG_PA_SHIFT 12 + +#define SMMU_PMCG_EVCNTR_RDONLY BIT(0) + +static int cpuhp_state_num; + +struct smmu_pmu { + struct hlist_node node; + struct perf_event *events[SMMU_PMCG_MAX_COUNTERS]; + DECLARE_BITMAP(used_counters, SMMU_PMCG_MAX_COUNTERS); + DECLARE_BITMAP(supported_events, SMMU_PMCG_ARCH_MAX_EVENTS); + unsigned int irq; + unsigned int on_cpu; + struct pmu pmu; + unsigned int num_counters; + struct device *dev; + void __iomem *reg_base; + void __iomem *reloc_base; + u64 counter_mask; + u32 options; + bool global_filter; + u32 global_filter_span; + u32 global_filter_sid; +}; + +#define to_smmu_pmu(p) (container_of(p, struct smmu_pmu, pmu)) + +#define SMMU_PMU_EVENT_ATTR_EXTRACTOR(_name, _config, _start, _end) \ + static inline u32 get_##_name(struct perf_event *event) \ + { \ + return FIELD_GET(GENMASK_ULL(_end, _start), \ + event->attr._config); \ + } \ + +SMMU_PMU_EVENT_ATTR_EXTRACTOR(event, config, 0, 15); +SMMU_PMU_EVENT_ATTR_EXTRACTOR(filter_stream_id, config1, 0, 31); +SMMU_PMU_EVENT_ATTR_EXTRACTOR(filter_span, config1, 32, 32); +SMMU_PMU_EVENT_ATTR_EXTRACTOR(filter_enable, config1, 33, 33); + +static inline void smmu_pmu_enable(struct pmu *pmu) +{ + struct smmu_pmu *smmu_pmu = to_smmu_pmu(pmu); + + writel(SMMU_PMCG_IRQ_CTRL_IRQEN, + smmu_pmu->reg_base + SMMU_PMCG_IRQ_CTRL); + writel(SMMU_PMCG_CR_ENABLE, smmu_pmu->reg_base + SMMU_PMCG_CR); +} + +static inline void smmu_pmu_disable(struct pmu *pmu) +{ + struct smmu_pmu *smmu_pmu = to_smmu_pmu(pmu); + + writel(0, smmu_pmu->reg_base + SMMU_PMCG_CR); + writel(0, smmu_pmu->reg_base + SMMU_PMCG_IRQ_CTRL); +} + +static inline void smmu_pmu_counter_set_value(struct smmu_pmu *smmu_pmu, + u32 idx, u64 value) +{ + if (smmu_pmu->counter_mask & BIT(32)) + writeq(value, smmu_pmu->reloc_base + SMMU_PMCG_EVCNTR(idx, 8)); + else + writel(value, smmu_pmu->reloc_base + SMMU_PMCG_EVCNTR(idx, 4)); +} + +static inline u64 smmu_pmu_counter_get_value(struct smmu_pmu *smmu_pmu, u32 idx) +{ + u64 value; + + if (smmu_pmu->counter_mask & BIT(32)) + value = readq(smmu_pmu->reloc_base + SMMU_PMCG_EVCNTR(idx, 8)); + else + value = readl(smmu_pmu->reloc_base + SMMU_PMCG_EVCNTR(idx, 4)); + + return value; +} + +static inline void smmu_pmu_counter_enable(struct smmu_pmu *smmu_pmu, u32 idx) +{ + writeq(BIT(idx), smmu_pmu->reg_base + SMMU_PMCG_CNTENSET0); +} + +static inline void smmu_pmu_counter_disable(struct smmu_pmu *smmu_pmu, u32 idx) +{ + writeq(BIT(idx), smmu_pmu->reg_base + SMMU_PMCG_CNTENCLR0); +} + +static inline void smmu_pmu_interrupt_enable(struct smmu_pmu *smmu_pmu, u32 idx) +{ + writeq(BIT(idx), smmu_pmu->reg_base + SMMU_PMCG_INTENSET0); +} + +static inline void smmu_pmu_interrupt_disable(struct smmu_pmu *smmu_pmu, + u32 idx) +{ + writeq(BIT(idx), smmu_pmu->reg_base + SMMU_PMCG_INTENCLR0); +} + +static inline void smmu_pmu_set_evtyper(struct smmu_pmu *smmu_pmu, u32 idx, + u32 val) +{ + writel(val, smmu_pmu->reg_base + SMMU_PMCG_EVTYPER(idx)); +} + +static inline void smmu_pmu_set_smr(struct smmu_pmu *smmu_pmu, u32 idx, u32 val) +{ + writel(val, smmu_pmu->reg_base + SMMU_PMCG_SMR(idx)); +} + +static void smmu_pmu_event_update(struct perf_event *event) +{ + struct hw_perf_event *hwc = &event->hw; + struct smmu_pmu *smmu_pmu = to_smmu_pmu(event->pmu); + u64 delta, prev, now; + u32 idx = hwc->idx; + + do { + prev = local64_read(&hwc->prev_count); + now = smmu_pmu_counter_get_value(smmu_pmu, idx); + } while (local64_cmpxchg(&hwc->prev_count, prev, now) != prev); + + /* handle overflow. */ + delta = now - prev; + delta &= smmu_pmu->counter_mask; + + local64_add(delta, &event->count); +} + +static void smmu_pmu_set_period(struct smmu_pmu *smmu_pmu, + struct hw_perf_event *hwc) +{ + u32 idx = hwc->idx; + u64 new; + + if (smmu_pmu->options & SMMU_PMCG_EVCNTR_RDONLY) { + /* + * On platforms that require this quirk, if the counter starts + * at < half_counter value and wraps, the current logic of + * handling the overflow may not work. It is expected that, + * those platforms will have full 64 counter bits implemented + * so that such a possibility is remote(eg: HiSilicon HIP08). + */ + new = smmu_pmu_counter_get_value(smmu_pmu, idx); + } else { + /* + * We limit the max period to half the max counter value + * of the counter size, so that even in the case of extreme + * interrupt latency the counter will (hopefully) not wrap + * past its initial value. + */ + new = smmu_pmu->counter_mask >> 1; + smmu_pmu_counter_set_value(smmu_pmu, idx, new); + } + + local64_set(&hwc->prev_count, new); +} + +static void smmu_pmu_set_event_filter(struct perf_event *event, + int idx, u32 span, u32 sid) +{ + struct smmu_pmu *smmu_pmu = to_smmu_pmu(event->pmu); + u32 evtyper; + + evtyper = get_event(event) | span << SMMU_PMCG_SID_SPAN_SHIFT; + smmu_pmu_set_evtyper(smmu_pmu, idx, evtyper); + smmu_pmu_set_smr(smmu_pmu, idx, sid); +} + +static int smmu_pmu_apply_event_filter(struct smmu_pmu *smmu_pmu, + struct perf_event *event, int idx) +{ + u32 span, sid; + unsigned int num_ctrs = smmu_pmu->num_counters; + bool filter_en = !!get_filter_enable(event); + + span = filter_en ? get_filter_span(event) : + SMMU_PMCG_DEFAULT_FILTER_SPAN; + sid = filter_en ? get_filter_stream_id(event) : + SMMU_PMCG_DEFAULT_FILTER_SID; + + /* Support individual filter settings */ + if (!smmu_pmu->global_filter) { + smmu_pmu_set_event_filter(event, idx, span, sid); + return 0; + } + + /* Requested settings same as current global settings*/ + if (span == smmu_pmu->global_filter_span && + sid == smmu_pmu->global_filter_sid) + return 0; + + if (!bitmap_empty(smmu_pmu->used_counters, num_ctrs)) + return -EAGAIN; + + smmu_pmu_set_event_filter(event, 0, span, sid); + smmu_pmu->global_filter_span = span; + smmu_pmu->global_filter_sid = sid; + return 0; +} + +static int smmu_pmu_get_event_idx(struct smmu_pmu *smmu_pmu, + struct perf_event *event) +{ + int idx, err; + unsigned int num_ctrs = smmu_pmu->num_counters; + + idx = find_first_zero_bit(smmu_pmu->used_counters, num_ctrs); + if (idx == num_ctrs) + /* The counters are all in use. */ + return -EAGAIN; + + err = smmu_pmu_apply_event_filter(smmu_pmu, event, idx); + if (err) + return err; + + set_bit(idx, smmu_pmu->used_counters); + + return idx; +} + +/* + * Implementation of abstract pmu functionality required by + * the core perf events code. + */ + +static int smmu_pmu_event_init(struct perf_event *event) +{ + struct hw_perf_event *hwc = &event->hw; + struct smmu_pmu *smmu_pmu = to_smmu_pmu(event->pmu); + struct device *dev = smmu_pmu->dev; + struct perf_event *sibling; + u16 event_id; + + if (event->attr.type != event->pmu->type) + return -ENOENT; + + if (hwc->sample_period) { + dev_dbg(dev, "Sampling not supported\n"); + return -EOPNOTSUPP; + } + + if (event->cpu < 0) { + dev_dbg(dev, "Per-task mode not supported\n"); + return -EOPNOTSUPP; + } + + /* Verify specified event is supported on this PMU */ + event_id = get_event(event); + if (event_id < SMMU_PMCG_ARCH_MAX_EVENTS && + (!test_bit(event_id, smmu_pmu->supported_events))) { + dev_dbg(dev, "Invalid event %d for this PMU\n", event_id); + return -EINVAL; + } + + /* Don't allow groups with mixed PMUs, except for s/w events */ + if (event->group_leader->pmu != event->pmu && + !is_software_event(event->group_leader)) { + dev_dbg(dev, "Can't create mixed PMU group\n"); + return -EINVAL; + } + + for_each_sibling_event(sibling, event->group_leader) { + if (sibling->pmu != event->pmu && + !is_software_event(sibling)) { + dev_dbg(dev, "Can't create mixed PMU group\n"); + return -EINVAL; + } + } + + hwc->idx = -1; + + /* + * Ensure all events are on the same cpu so all events are in the + * same cpu context, to avoid races on pmu_enable etc. + */ + event->cpu = smmu_pmu->on_cpu; + + return 0; +} + +static void smmu_pmu_event_start(struct perf_event *event, int flags) +{ + struct smmu_pmu *smmu_pmu = to_smmu_pmu(event->pmu); + struct hw_perf_event *hwc = &event->hw; + int idx = hwc->idx; + + hwc->state = 0; + + smmu_pmu_set_period(smmu_pmu, hwc); + + smmu_pmu_counter_enable(smmu_pmu, idx); +} + +static void smmu_pmu_event_stop(struct perf_event *event, int flags) +{ + struct smmu_pmu *smmu_pmu = to_smmu_pmu(event->pmu); + struct hw_perf_event *hwc = &event->hw; + int idx = hwc->idx; + + if (hwc->state & PERF_HES_STOPPED) + return; + + smmu_pmu_counter_disable(smmu_pmu, idx); + /* As the counter gets updated on _start, ignore PERF_EF_UPDATE */ + smmu_pmu_event_update(event); + hwc->state |= PERF_HES_STOPPED | PERF_HES_UPTODATE; +} + +static int smmu_pmu_event_add(struct perf_event *event, int flags) +{ + struct hw_perf_event *hwc = &event->hw; + int idx; + struct smmu_pmu *smmu_pmu = to_smmu_pmu(event->pmu); + + idx = smmu_pmu_get_event_idx(smmu_pmu, event); + if (idx < 0) + return idx; + + hwc->idx = idx; + hwc->state = PERF_HES_STOPPED | PERF_HES_UPTODATE; + smmu_pmu->events[idx] = event; + local64_set(&hwc->prev_count, 0); + + smmu_pmu_interrupt_enable(smmu_pmu, idx); + + if (flags & PERF_EF_START) + smmu_pmu_event_start(event, flags); + + /* Propagate changes to the userspace mapping. */ + perf_event_update_userpage(event); + + return 0; +} + +static void smmu_pmu_event_del(struct perf_event *event, int flags) +{ + struct hw_perf_event *hwc = &event->hw; + struct smmu_pmu *smmu_pmu = to_smmu_pmu(event->pmu); + int idx = hwc->idx; + + smmu_pmu_event_stop(event, flags | PERF_EF_UPDATE); + smmu_pmu_interrupt_disable(smmu_pmu, idx); + smmu_pmu->events[idx] = NULL; + clear_bit(idx, smmu_pmu->used_counters); + + perf_event_update_userpage(event); +} + +static void smmu_pmu_event_read(struct perf_event *event) +{ + smmu_pmu_event_update(event); +} + +/* cpumask */ + +static ssize_t smmu_pmu_cpumask_show(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct smmu_pmu *smmu_pmu = to_smmu_pmu(dev_get_drvdata(dev)); + + return cpumap_print_to_pagebuf(true, buf, cpumask_of(smmu_pmu->on_cpu)); +} + +static struct device_attribute smmu_pmu_cpumask_attr = + __ATTR(cpumask, 0444, smmu_pmu_cpumask_show, NULL); + +static struct attribute *smmu_pmu_cpumask_attrs[] = { + &smmu_pmu_cpumask_attr.attr, + NULL +}; + +static struct attribute_group smmu_pmu_cpumask_group = { + .attrs = smmu_pmu_cpumask_attrs, +}; + +/* Events */ + +static ssize_t smmu_pmu_event_show(struct device *dev, + struct device_attribute *attr, char *page) +{ + struct perf_pmu_events_attr *pmu_attr; + + pmu_attr = container_of(attr, struct perf_pmu_events_attr, attr); + + return sprintf(page, "event=0x%02llx\n", pmu_attr->id); +} + +#define SMMU_EVENT_ATTR(name, config) \ + PMU_EVENT_ATTR(name, smmu_event_attr_##name, \ + config, smmu_pmu_event_show) +SMMU_EVENT_ATTR(cycles, 0); +SMMU_EVENT_ATTR(transaction, 1); +SMMU_EVENT_ATTR(tlb_miss, 2); +SMMU_EVENT_ATTR(config_cache_miss, 3); +SMMU_EVENT_ATTR(trans_table_walk_access, 4); +SMMU_EVENT_ATTR(config_struct_access, 5); +SMMU_EVENT_ATTR(pcie_ats_trans_rq, 6); +SMMU_EVENT_ATTR(pcie_ats_trans_passed, 7); + +static struct attribute *smmu_pmu_events[] = { + &smmu_event_attr_cycles.attr.attr, + &smmu_event_attr_transaction.attr.attr, + &smmu_event_attr_tlb_miss.attr.attr, + &smmu_event_attr_config_cache_miss.attr.attr, + &smmu_event_attr_trans_table_walk_access.attr.attr, + &smmu_event_attr_config_struct_access.attr.attr, + &smmu_event_attr_pcie_ats_trans_rq.attr.attr, + &smmu_event_attr_pcie_ats_trans_passed.attr.attr, + NULL +}; + +static umode_t smmu_pmu_event_is_visible(struct kobject *kobj, + struct attribute *attr, int unused) +{ + struct device *dev = kobj_to_dev(kobj); + struct smmu_pmu *smmu_pmu = to_smmu_pmu(dev_get_drvdata(dev)); + struct perf_pmu_events_attr *pmu_attr; + + pmu_attr = container_of(attr, struct perf_pmu_events_attr, attr.attr); + + if (test_bit(pmu_attr->id, smmu_pmu->supported_events)) + return attr->mode; + + return 0; +} + +static struct attribute_group smmu_pmu_events_group = { + .name = "events", + .attrs = smmu_pmu_events, + .is_visible = smmu_pmu_event_is_visible, +}; + +/* Formats */ +PMU_FORMAT_ATTR(event, "config:0-15"); +PMU_FORMAT_ATTR(filter_stream_id, "config1:0-31"); +PMU_FORMAT_ATTR(filter_span, "config1:32"); +PMU_FORMAT_ATTR(filter_enable, "config1:33"); + +static struct attribute *smmu_pmu_formats[] = { + &format_attr_event.attr, + &format_attr_filter_stream_id.attr, + &format_attr_filter_span.attr, + &format_attr_filter_enable.attr, + NULL +}; + +static struct attribute_group smmu_pmu_format_group = { + .name = "format", + .attrs = smmu_pmu_formats, +}; + +static const struct attribute_group *smmu_pmu_attr_grps[] = { + &smmu_pmu_cpumask_group, + &smmu_pmu_events_group, + &smmu_pmu_format_group, + NULL +}; + +/* + * Generic device handlers + */ + +static int smmu_pmu_offline_cpu(unsigned int cpu, struct hlist_node *node) +{ + struct smmu_pmu *smmu_pmu; + unsigned int target; + + smmu_pmu = hlist_entry_safe(node, struct smmu_pmu, node); + if (cpu != smmu_pmu->on_cpu) + return 0; + + target = cpumask_any_but(cpu_online_mask, cpu); + if (target >= nr_cpu_ids) + return 0; + + perf_pmu_migrate_context(&smmu_pmu->pmu, cpu, target); + smmu_pmu->on_cpu = target; + WARN_ON(irq_set_affinity_hint(smmu_pmu->irq, cpumask_of(target))); + + return 0; +} + +static irqreturn_t smmu_pmu_handle_irq(int irq_num, void *data) +{ + struct smmu_pmu *smmu_pmu = data; + u64 ovsr; + unsigned int idx; + + ovsr = readq(smmu_pmu->reloc_base + SMMU_PMCG_OVSSET0); + if (!ovsr) + return IRQ_NONE; + + writeq(ovsr, smmu_pmu->reloc_base + SMMU_PMCG_OVSCLR0); + + for_each_set_bit(idx, (unsigned long *)&ovsr, smmu_pmu->num_counters) { + struct perf_event *event = smmu_pmu->events[idx]; + struct hw_perf_event *hwc; + + if (WARN_ON_ONCE(!event)) + continue; + + smmu_pmu_event_update(event); + hwc = &event->hw; + + smmu_pmu_set_period(smmu_pmu, hwc); + } + + return IRQ_HANDLED; +} + +static void smmu_pmu_free_msis(void *data) +{ + struct device *dev = data; + + platform_msi_domain_free_irqs(dev); +} + +static void smmu_pmu_write_msi_msg(struct msi_desc *desc, struct msi_msg *msg) +{ + phys_addr_t doorbell; + struct device *dev = msi_desc_to_dev(desc); + struct smmu_pmu *pmu = dev_get_drvdata(dev); + + doorbell = (((u64)msg->address_hi) << 32) | msg->address_lo; + doorbell &= MSI_CFG0_ADDR_MASK; + + writeq_relaxed(doorbell, pmu->reg_base + SMMU_PMCG_IRQ_CFG0); + writel_relaxed(msg->data, pmu->reg_base + SMMU_PMCG_IRQ_CFG1); + writel_relaxed(MSI_CFG2_MEMATTR_DEVICE_nGnRE, + pmu->reg_base + SMMU_PMCG_IRQ_CFG2); +} + +static void smmu_pmu_setup_msi(struct smmu_pmu *pmu) +{ + struct msi_desc *desc; + struct device *dev = pmu->dev; + int ret; + + /* Clear MSI address reg */ + writeq_relaxed(0, pmu->reg_base + SMMU_PMCG_IRQ_CFG0); + + /* MSI supported or not */ + if (!(readl(pmu->reg_base + SMMU_PMCG_CFGR) & SMMU_PMCG_CFGR_MSI)) + return; + + ret = platform_msi_domain_alloc_irqs(dev, 1, smmu_pmu_write_msi_msg); + if (ret) { + dev_warn(dev, "failed to allocate MSIs\n"); + return; + } + + desc = first_msi_entry(dev); + if (desc) + pmu->irq = desc->irq; + + /* Add callback to free MSIs on teardown */ + devm_add_action(dev, smmu_pmu_free_msis, dev); +} + +static int smmu_pmu_setup_irq(struct smmu_pmu *pmu) +{ + unsigned long flags = IRQF_NOBALANCING | IRQF_SHARED | IRQF_NO_THREAD; + int irq, ret = -ENXIO; + + smmu_pmu_setup_msi(pmu); + + irq = pmu->irq; + if (irq) + ret = devm_request_irq(pmu->dev, irq, smmu_pmu_handle_irq, + flags, "smmuv3-pmu", pmu); + return ret; +} + +static void smmu_pmu_reset(struct smmu_pmu *smmu_pmu) +{ + u64 counter_present_mask = GENMASK_ULL(smmu_pmu->num_counters - 1, 0); + + smmu_pmu_disable(&smmu_pmu->pmu); + + /* Disable counter and interrupt */ + writeq_relaxed(counter_present_mask, + smmu_pmu->reg_base + SMMU_PMCG_CNTENCLR0); + writeq_relaxed(counter_present_mask, + smmu_pmu->reg_base + SMMU_PMCG_INTENCLR0); + writeq_relaxed(counter_present_mask, + smmu_pmu->reloc_base + SMMU_PMCG_OVSCLR0); +} + +static void smmu_pmu_get_acpi_options(struct smmu_pmu *smmu_pmu) +{ + u32 model; + + model = *(u32 *)dev_get_platdata(smmu_pmu->dev); + + switch (model) { + case IORT_SMMU_V3_PMCG_HISI_HIP08: + /* HiSilicon Erratum 162001800 */ + smmu_pmu->options |= SMMU_PMCG_EVCNTR_RDONLY; + break; + } + + dev_notice(smmu_pmu->dev, "option mask 0x%x\n", smmu_pmu->options); +} + +static int smmu_pmu_probe(struct platform_device *pdev) +{ + struct smmu_pmu *smmu_pmu; + struct resource *res_0, *res_1; + u32 cfgr, reg_size; + u64 ceid_64[2]; + int irq, err; + char *name; + struct device *dev = &pdev->dev; + + smmu_pmu = devm_kzalloc(dev, sizeof(*smmu_pmu), GFP_KERNEL); + if (!smmu_pmu) + return -ENOMEM; + + smmu_pmu->dev = dev; + platform_set_drvdata(pdev, smmu_pmu); + + smmu_pmu->pmu = (struct pmu) { + .task_ctx_nr = perf_invalid_context, + .pmu_enable = smmu_pmu_enable, + .pmu_disable = smmu_pmu_disable, + .event_init = smmu_pmu_event_init, + .add = smmu_pmu_event_add, + .del = smmu_pmu_event_del, + .start = smmu_pmu_event_start, + .stop = smmu_pmu_event_stop, + .read = smmu_pmu_event_read, + .attr_groups = smmu_pmu_attr_grps, + .capabilities = PERF_PMU_CAP_NO_EXCLUDE, + }; + + res_0 = platform_get_resource(pdev, IORESOURCE_MEM, 0); + smmu_pmu->reg_base = devm_ioremap_resource(dev, res_0); + if (IS_ERR(smmu_pmu->reg_base)) + return PTR_ERR(smmu_pmu->reg_base); + + cfgr = readl_relaxed(smmu_pmu->reg_base + SMMU_PMCG_CFGR); + + /* Determine if page 1 is present */ + if (cfgr & SMMU_PMCG_CFGR_RELOC_CTRS) { + res_1 = platform_get_resource(pdev, IORESOURCE_MEM, 1); + smmu_pmu->reloc_base = devm_ioremap_resource(dev, res_1); + if (IS_ERR(smmu_pmu->reloc_base)) + return PTR_ERR(smmu_pmu->reloc_base); + } else { + smmu_pmu->reloc_base = smmu_pmu->reg_base; + } + + irq = platform_get_irq(pdev, 0); + if (irq > 0) + smmu_pmu->irq = irq; + + ceid_64[0] = readq_relaxed(smmu_pmu->reg_base + SMMU_PMCG_CEID0); + ceid_64[1] = readq_relaxed(smmu_pmu->reg_base + SMMU_PMCG_CEID1); + bitmap_from_arr32(smmu_pmu->supported_events, (u32 *)ceid_64, + SMMU_PMCG_ARCH_MAX_EVENTS); + + smmu_pmu->num_counters = FIELD_GET(SMMU_PMCG_CFGR_NCTR, cfgr) + 1; + + smmu_pmu->global_filter = !!(cfgr & SMMU_PMCG_CFGR_SID_FILTER_TYPE); + + reg_size = FIELD_GET(SMMU_PMCG_CFGR_SIZE, cfgr); + smmu_pmu->counter_mask = GENMASK_ULL(reg_size, 0); + + smmu_pmu_reset(smmu_pmu); + + err = smmu_pmu_setup_irq(smmu_pmu); + if (err) { + dev_err(dev, "Setup irq failed, PMU @%pa\n", &res_0->start); + return err; + } + + name = devm_kasprintf(&pdev->dev, GFP_KERNEL, "smmuv3_pmcg_%llx", + (res_0->start) >> SMMU_PMCG_PA_SHIFT); + if (!name) { + dev_err(dev, "Create name failed, PMU @%pa\n", &res_0->start); + return -EINVAL; + } + + smmu_pmu_get_acpi_options(smmu_pmu); + + /* Pick one CPU to be the preferred one to use */ + smmu_pmu->on_cpu = raw_smp_processor_id(); + WARN_ON(irq_set_affinity_hint(smmu_pmu->irq, + cpumask_of(smmu_pmu->on_cpu))); + + err = cpuhp_state_add_instance_nocalls(cpuhp_state_num, + &smmu_pmu->node); + if (err) { + dev_err(dev, "Error %d registering hotplug, PMU @%pa\n", + err, &res_0->start); + goto out_cpuhp_err; + } + + err = perf_pmu_register(&smmu_pmu->pmu, name, -1); + if (err) { + dev_err(dev, "Error %d registering PMU @%pa\n", + err, &res_0->start); + goto out_unregister; + } + + dev_info(dev, "Registered PMU @ %pa using %d counters with %s filter settings\n", + &res_0->start, smmu_pmu->num_counters, + smmu_pmu->global_filter ? "Global(Counter0)" : + "Individual"); + + return 0; + +out_unregister: + cpuhp_state_remove_instance_nocalls(cpuhp_state_num, &smmu_pmu->node); +out_cpuhp_err: + put_cpu(); + return err; +} + +static int smmu_pmu_remove(struct platform_device *pdev) +{ + struct smmu_pmu *smmu_pmu = platform_get_drvdata(pdev); + + perf_pmu_unregister(&smmu_pmu->pmu); + cpuhp_state_remove_instance_nocalls(cpuhp_state_num, &smmu_pmu->node); + + return 0; +} + +static void smmu_pmu_shutdown(struct platform_device *pdev) +{ + struct smmu_pmu *smmu_pmu = platform_get_drvdata(pdev); + + smmu_pmu_disable(&smmu_pmu->pmu); +} + +static struct platform_driver smmu_pmu_driver = { + .driver = { + .name = "arm-smmu-v3-pmcg", + }, + .probe = smmu_pmu_probe, + .remove = smmu_pmu_remove, + .shutdown = smmu_pmu_shutdown, +}; + +static int __init arm_smmu_pmu_init(void) +{ + cpuhp_state_num = cpuhp_setup_state_multi(CPUHP_AP_ONLINE_DYN, + "perf/arm/pmcg:online", + NULL, + smmu_pmu_offline_cpu); + if (cpuhp_state_num < 0) + return cpuhp_state_num; + + return platform_driver_register(&smmu_pmu_driver); +} +module_init(arm_smmu_pmu_init); + +static void __exit arm_smmu_pmu_exit(void) +{ + platform_driver_unregister(&smmu_pmu_driver); + cpuhp_remove_multi_state(cpuhp_state_num); +} + +module_exit(arm_smmu_pmu_exit); + +MODULE_DESCRIPTION("PMU driver for ARM SMMUv3 Performance Monitors Extension"); +MODULE_AUTHOR("Neil Leeder <nleeder@codeaurora.org>"); +MODULE_AUTHOR("Shameer Kolothum <shameerali.kolothum.thodi@huawei.com>"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/platform/x86/pmc_atom.c b/drivers/platform/x86/pmc_atom.c index 8f018b3f3cd4..c7039f52ad51 100644 --- a/drivers/platform/x86/pmc_atom.c +++ b/drivers/platform/x86/pmc_atom.c @@ -17,6 +17,7 @@ #include <linux/debugfs.h> #include <linux/device.h> +#include <linux/dmi.h> #include <linux/init.h> #include <linux/io.h> #include <linux/platform_data/x86/clk-pmc-atom.h> @@ -391,11 +392,27 @@ static int pmc_dbgfs_register(struct pmc_dev *pmc) } #endif /* CONFIG_DEBUG_FS */ +/* + * Some systems need one or more of their pmc_plt_clks to be + * marked as critical. + */ +static const struct dmi_system_id critclk_systems[] = { + { + .ident = "MPL CEC1x", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "MPL AG"), + DMI_MATCH(DMI_PRODUCT_NAME, "CEC10 Family"), + }, + }, + { /*sentinel*/ } +}; + static int pmc_setup_clks(struct pci_dev *pdev, void __iomem *pmc_regmap, const struct pmc_data *pmc_data) { struct platform_device *clkdev; struct pmc_clk_data *clk_data; + const struct dmi_system_id *d = dmi_first_match(critclk_systems); clk_data = kzalloc(sizeof(*clk_data), GFP_KERNEL); if (!clk_data) @@ -403,6 +420,10 @@ static int pmc_setup_clks(struct pci_dev *pdev, void __iomem *pmc_regmap, clk_data->base = pmc_regmap; /* offset is added by client */ clk_data->clks = pmc_data->clks; + if (d) { + clk_data->critical = true; + pr_info("%s critclks quirk enabled\n", d->ident); + } clkdev = platform_device_register_data(&pdev->dev, "clk-pmc-atom", PLATFORM_DEVID_NONE, diff --git a/drivers/power/supply/cpcap-battery.c b/drivers/power/supply/cpcap-battery.c index 08d5037fd052..6887870ba32c 100644 --- a/drivers/power/supply/cpcap-battery.c +++ b/drivers/power/supply/cpcap-battery.c @@ -221,6 +221,9 @@ static int cpcap_battery_cc_raw_div(struct cpcap_battery_ddata *ddata, int avg_current; u32 cc_lsb; + if (!divider) + return 0; + sample &= 0xffffff; /* 24-bits, unsigned */ offset &= 0x7ff; /* 10-bits, signed */ diff --git a/drivers/power/supply/goldfish_battery.c b/drivers/power/supply/goldfish_battery.c index ad969d9fc981..c2644a9fe80f 100644 --- a/drivers/power/supply/goldfish_battery.c +++ b/drivers/power/supply/goldfish_battery.c @@ -1,4 +1,4 @@ -// SPDX-License-Identifier: GPL +// SPDX-License-Identifier: GPL-2.0 /* * Power supply driver for the goldfish emulator * diff --git a/drivers/power/supply/power_supply_sysfs.c b/drivers/power/supply/power_supply_sysfs.c index dce24f596160..5358a80d854f 100644 --- a/drivers/power/supply/power_supply_sysfs.c +++ b/drivers/power/supply/power_supply_sysfs.c @@ -383,15 +383,11 @@ int power_supply_uevent(struct device *dev, struct kobj_uevent_env *env) char *prop_buf; char *attrname; - dev_dbg(dev, "uevent\n"); - if (!psy || !psy->desc) { dev_dbg(dev, "No power supply yet\n"); return ret; } - dev_dbg(dev, "POWER_SUPPLY_NAME=%s\n", psy->desc->name); - ret = add_uevent_var(env, "POWER_SUPPLY_NAME=%s", psy->desc->name); if (ret) return ret; @@ -427,8 +423,6 @@ int power_supply_uevent(struct device *dev, struct kobj_uevent_env *env) goto out; } - dev_dbg(dev, "prop %s=%s\n", attrname, prop_buf); - ret = add_uevent_var(env, "POWER_SUPPLY_%s=%s", attrname, prop_buf); kfree(attrname); if (ret) diff --git a/drivers/ras/cec.c b/drivers/ras/cec.c index 2d9ec378a8bc..88e4f3ff0cb8 100644 --- a/drivers/ras/cec.c +++ b/drivers/ras/cec.c @@ -286,10 +286,10 @@ int cec_add_elem(u64 pfn) if (!ce_arr.array || ce_arr.disabled) return -ENODEV; - ca->ces_entered++; - mutex_lock(&ce_mutex); + ca->ces_entered++; + if (ca->n == MAX_ELEMS) WARN_ON(!del_lru_elem_unlocked(ca)); diff --git a/drivers/reset/reset-meson-audio-arb.c b/drivers/reset/reset-meson-audio-arb.c index 91751617b37a..c53a2185a039 100644 --- a/drivers/reset/reset-meson-audio-arb.c +++ b/drivers/reset/reset-meson-audio-arb.c @@ -130,6 +130,7 @@ static int meson_audio_arb_probe(struct platform_device *pdev) arb->rstc.nr_resets = ARRAY_SIZE(axg_audio_arb_reset_bits); arb->rstc.ops = &meson_audio_arb_rstc_ops; arb->rstc.of_node = dev->of_node; + arb->rstc.owner = THIS_MODULE; /* * Enable general : diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig index a71734c41693..f933c06bff4f 100644 --- a/drivers/rtc/Kconfig +++ b/drivers/rtc/Kconfig @@ -667,9 +667,9 @@ config RTC_DRV_S5M will be called rtc-s5m. config RTC_DRV_SD3078 - tristate "ZXW Crystal SD3078" + tristate "ZXW Shenzhen whwave SD3078" help - If you say yes here you get support for the ZXW Crystal + If you say yes here you get support for the ZXW Shenzhen whwave SD3078 RTC chips. This driver can also be built as a module. If so, the module diff --git a/drivers/rtc/rtc-cros-ec.c b/drivers/rtc/rtc-cros-ec.c index e5444296075e..4d6bf9304ceb 100644 --- a/drivers/rtc/rtc-cros-ec.c +++ b/drivers/rtc/rtc-cros-ec.c @@ -298,7 +298,7 @@ static int cros_ec_rtc_suspend(struct device *dev) struct cros_ec_rtc *cros_ec_rtc = dev_get_drvdata(&pdev->dev); if (device_may_wakeup(dev)) - enable_irq_wake(cros_ec_rtc->cros_ec->irq); + return enable_irq_wake(cros_ec_rtc->cros_ec->irq); return 0; } @@ -309,7 +309,7 @@ static int cros_ec_rtc_resume(struct device *dev) struct cros_ec_rtc *cros_ec_rtc = dev_get_drvdata(&pdev->dev); if (device_may_wakeup(dev)) - disable_irq_wake(cros_ec_rtc->cros_ec->irq); + return disable_irq_wake(cros_ec_rtc->cros_ec->irq); return 0; } diff --git a/drivers/rtc/rtc-da9063.c b/drivers/rtc/rtc-da9063.c index b4e054c64bad..69b54e5556c0 100644 --- a/drivers/rtc/rtc-da9063.c +++ b/drivers/rtc/rtc-da9063.c @@ -480,6 +480,13 @@ static int da9063_rtc_probe(struct platform_device *pdev) da9063_data_to_tm(data, &rtc->alarm_time, rtc); rtc->rtc_sync = false; + /* + * TODO: some models have alarms on a minute boundary but still support + * real hardware interrupts. Add this once the core supports it. + */ + if (config->rtc_data_start != RTC_SEC) + rtc->rtc_dev->uie_unsupported = 1; + irq_alarm = platform_get_irq_byname(pdev, "ALARM"); ret = devm_request_threaded_irq(&pdev->dev, irq_alarm, NULL, da9063_alarm_event, diff --git a/drivers/rtc/rtc-sh.c b/drivers/rtc/rtc-sh.c index d417b203cbc5..1d3de2a3d1a4 100644 --- a/drivers/rtc/rtc-sh.c +++ b/drivers/rtc/rtc-sh.c @@ -374,7 +374,7 @@ static int sh_rtc_set_time(struct device *dev, struct rtc_time *tm) static inline int sh_rtc_read_alarm_value(struct sh_rtc *rtc, int reg_off) { unsigned int byte; - int value = 0xff; /* return 0xff for ignored values */ + int value = -1; /* return -1 for ignored values */ byte = readb(rtc->regbase + reg_off); if (byte & AR_ENB) { diff --git a/drivers/s390/block/dasd_eckd.c b/drivers/s390/block/dasd_eckd.c index 6e294b4d3635..f89f9d02e788 100644 --- a/drivers/s390/block/dasd_eckd.c +++ b/drivers/s390/block/dasd_eckd.c @@ -2004,14 +2004,14 @@ static int dasd_eckd_end_analysis(struct dasd_block *block) blk_per_trk = recs_per_track(&private->rdc_data, 0, block->bp_block); raw: - block->blocks = (private->real_cyl * + block->blocks = ((unsigned long) private->real_cyl * private->rdc_data.trk_per_cyl * blk_per_trk); dev_info(&device->cdev->dev, - "DASD with %d KB/block, %d KB total size, %d KB/track, " + "DASD with %u KB/block, %lu KB total size, %u KB/track, " "%s\n", (block->bp_block >> 10), - ((private->real_cyl * + (((unsigned long) private->real_cyl * private->rdc_data.trk_per_cyl * blk_per_trk * (block->bp_block >> 9)) >> 1), ((blk_per_trk * block->bp_block) >> 10), diff --git a/drivers/s390/char/con3270.c b/drivers/s390/char/con3270.c index fd2146bcc0ad..e17364e13d2f 100644 --- a/drivers/s390/char/con3270.c +++ b/drivers/s390/char/con3270.c @@ -629,7 +629,7 @@ con3270_init(void) (void (*)(unsigned long)) con3270_read_tasklet, (unsigned long) condev->read); - raw3270_add_view(&condev->view, &con3270_fn, 1); + raw3270_add_view(&condev->view, &con3270_fn, 1, RAW3270_VIEW_LOCK_IRQ); INIT_LIST_HEAD(&condev->freemem); for (i = 0; i < CON3270_STRING_PAGES; i++) { diff --git a/drivers/s390/char/fs3270.c b/drivers/s390/char/fs3270.c index 8f3a2eeb28dc..8b48ba9c598e 100644 --- a/drivers/s390/char/fs3270.c +++ b/drivers/s390/char/fs3270.c @@ -463,7 +463,8 @@ fs3270_open(struct inode *inode, struct file *filp) init_waitqueue_head(&fp->wait); fp->fs_pid = get_pid(task_pid(current)); - rc = raw3270_add_view(&fp->view, &fs3270_fn, minor); + rc = raw3270_add_view(&fp->view, &fs3270_fn, minor, + RAW3270_VIEW_LOCK_BH); if (rc) { fs3270_free_view(&fp->view); goto out; diff --git a/drivers/s390/char/raw3270.c b/drivers/s390/char/raw3270.c index f8cd2935fbfd..63a41b168761 100644 --- a/drivers/s390/char/raw3270.c +++ b/drivers/s390/char/raw3270.c @@ -920,7 +920,7 @@ raw3270_deactivate_view(struct raw3270_view *view) * Add view to device with minor "minor". */ int -raw3270_add_view(struct raw3270_view *view, struct raw3270_fn *fn, int minor) +raw3270_add_view(struct raw3270_view *view, struct raw3270_fn *fn, int minor, int subclass) { unsigned long flags; struct raw3270 *rp; @@ -942,6 +942,7 @@ raw3270_add_view(struct raw3270_view *view, struct raw3270_fn *fn, int minor) view->cols = rp->cols; view->ascebc = rp->ascebc; spin_lock_init(&view->lock); + lockdep_set_subclass(&view->lock, subclass); list_add(&view->list, &rp->view_list); rc = 0; spin_unlock_irqrestore(get_ccwdev_lock(rp->cdev), flags); diff --git a/drivers/s390/char/raw3270.h b/drivers/s390/char/raw3270.h index 114ca7cbf889..3afaa35f7351 100644 --- a/drivers/s390/char/raw3270.h +++ b/drivers/s390/char/raw3270.h @@ -150,6 +150,8 @@ struct raw3270_fn { struct raw3270_view { struct list_head list; spinlock_t lock; +#define RAW3270_VIEW_LOCK_IRQ 0 +#define RAW3270_VIEW_LOCK_BH 1 atomic_t ref_count; struct raw3270 *dev; struct raw3270_fn *fn; @@ -158,7 +160,7 @@ struct raw3270_view { unsigned char *ascebc; /* ascii -> ebcdic table */ }; -int raw3270_add_view(struct raw3270_view *, struct raw3270_fn *, int); +int raw3270_add_view(struct raw3270_view *, struct raw3270_fn *, int, int); int raw3270_activate_view(struct raw3270_view *); void raw3270_del_view(struct raw3270_view *); void raw3270_deactivate_view(struct raw3270_view *); diff --git a/drivers/s390/char/sclp.c b/drivers/s390/char/sclp.c index e9aa71cdfc44..d2ab3f07c008 100644 --- a/drivers/s390/char/sclp.c +++ b/drivers/s390/char/sclp.c @@ -45,8 +45,8 @@ static struct list_head sclp_req_queue; /* Data for read and and init requests. */ static struct sclp_req sclp_read_req; static struct sclp_req sclp_init_req; -static char sclp_read_sccb[PAGE_SIZE] __attribute__((__aligned__(PAGE_SIZE))); -static char sclp_init_sccb[PAGE_SIZE] __attribute__((__aligned__(PAGE_SIZE))); +static void *sclp_read_sccb; +static struct init_sccb *sclp_init_sccb; /* Suspend request */ static DECLARE_COMPLETION(sclp_request_queue_flushed); @@ -753,9 +753,8 @@ EXPORT_SYMBOL(sclp_remove_processed); static inline void __sclp_make_init_req(sccb_mask_t receive_mask, sccb_mask_t send_mask) { - struct init_sccb *sccb; + struct init_sccb *sccb = sclp_init_sccb; - sccb = (struct init_sccb *) sclp_init_sccb; clear_page(sccb); memset(&sclp_init_req, 0, sizeof(struct sclp_req)); sclp_init_req.command = SCLP_CMDW_WRITE_EVENT_MASK; @@ -782,7 +781,7 @@ static int sclp_init_mask(int calculate) { unsigned long flags; - struct init_sccb *sccb = (struct init_sccb *) sclp_init_sccb; + struct init_sccb *sccb = sclp_init_sccb; sccb_mask_t receive_mask; sccb_mask_t send_mask; int retry; @@ -1175,6 +1174,9 @@ sclp_init(void) if (sclp_init_state != sclp_init_state_uninitialized) goto fail_unlock; sclp_init_state = sclp_init_state_initializing; + sclp_read_sccb = (void *) __get_free_page(GFP_ATOMIC | GFP_DMA); + sclp_init_sccb = (void *) __get_free_page(GFP_ATOMIC | GFP_DMA); + BUG_ON(!sclp_read_sccb || !sclp_init_sccb); /* Set up variables */ INIT_LIST_HEAD(&sclp_req_queue); INIT_LIST_HEAD(&sclp_reg_list); @@ -1207,6 +1209,8 @@ fail_unregister_reboot_notifier: unregister_reboot_notifier(&sclp_reboot_notifier); fail_init_state_uninitialized: sclp_init_state = sclp_init_state_uninitialized; + free_page((unsigned long) sclp_read_sccb); + free_page((unsigned long) sclp_init_sccb); fail_unlock: spin_unlock_irqrestore(&sclp_lock, flags); return rc; diff --git a/drivers/s390/char/sclp.h b/drivers/s390/char/sclp.h index 367e9d384d85..196333013e54 100644 --- a/drivers/s390/char/sclp.h +++ b/drivers/s390/char/sclp.h @@ -197,7 +197,9 @@ struct read_info_sccb { u32 hmfai; /* 124-127 */ u8 _pad_128[134 - 128]; /* 128-133 */ u8 byte_134; /* 134 */ - u8 _pad_135[4096 - 135]; /* 135-4095 */ + u8 cpudirq; /* 135 */ + u16 cbl; /* 136-137 */ + u8 _pad_138[4096 - 138]; /* 138-4095 */ } __packed __aligned(PAGE_SIZE); struct read_storage_sccb { @@ -319,7 +321,7 @@ extern int sclp_console_drop; extern unsigned long sclp_console_full; extern bool sclp_mask_compat_mode; -extern char sclp_early_sccb[PAGE_SIZE]; +extern char *sclp_early_sccb; void sclp_early_wait_irq(void); int sclp_early_cmd(sclp_cmdw_t cmd, void *sccb); @@ -365,14 +367,14 @@ sclp_ascebc(unsigned char ch) /* translate string from EBCDIC to ASCII */ static inline void -sclp_ebcasc_str(unsigned char *str, int nr) +sclp_ebcasc_str(char *str, int nr) { (MACHINE_IS_VM) ? EBCASC(str, nr) : EBCASC_500(str, nr); } /* translate string from ASCII to EBCDIC */ static inline void -sclp_ascebc_str(unsigned char *str, int nr) +sclp_ascebc_str(char *str, int nr) { (MACHINE_IS_VM) ? ASCEBC(str, nr) : ASCEBC_500(str, nr); } diff --git a/drivers/s390/char/sclp_early.c b/drivers/s390/char/sclp_early.c index 8332788681c4..6c90aa725f23 100644 --- a/drivers/s390/char/sclp_early.c +++ b/drivers/s390/char/sclp_early.c @@ -40,6 +40,8 @@ static void __init sclp_early_facilities_detect(struct read_info_sccb *sccb) sclp.has_gisaf = !!(sccb->fac118 & 0x08); sclp.has_hvs = !!(sccb->fac119 & 0x80); sclp.has_kss = !!(sccb->fac98 & 0x01); + sclp.has_sipl = !!(sccb->cbl & 0x02); + sclp.has_sipl_g2 = !!(sccb->cbl & 0x04); if (sccb->fac85 & 0x02) S390_lowcore.machine_flags |= MACHINE_FLAG_ESOP; if (sccb->fac91 & 0x40) @@ -93,6 +95,7 @@ static void __init sclp_early_facilities_detect(struct read_info_sccb *sccb) sclp.mtid_prev = (sccb->fac42 & 0x80) ? (sccb->fac66 & 31) : 0; sclp.hmfai = sccb->hmfai; + sclp.has_dirq = !!(sccb->cpudirq & 0x80); } /* @@ -144,7 +147,7 @@ static void __init sclp_early_console_detect(struct init_sccb *sccb) void __init sclp_early_detect(void) { - void *sccb = &sclp_early_sccb; + void *sccb = sclp_early_sccb; sclp_early_facilities_detect(sccb); sclp_early_init_core_info(sccb); diff --git a/drivers/s390/char/sclp_early_core.c b/drivers/s390/char/sclp_early_core.c index 387c114ded3f..7737470f8498 100644 --- a/drivers/s390/char/sclp_early_core.c +++ b/drivers/s390/char/sclp_early_core.c @@ -16,7 +16,7 @@ static struct read_info_sccb __bootdata(sclp_info_sccb); static int __bootdata(sclp_info_sccb_valid); -char sclp_early_sccb[PAGE_SIZE] __aligned(PAGE_SIZE) __section(.data); +char *sclp_early_sccb = (char *) EARLY_SCCB_OFFSET; int sclp_init_state __section(.data) = sclp_init_state_uninitialized; /* * Used to keep track of the size of the event masks. Qemu until version 2.11 @@ -91,8 +91,8 @@ static void sclp_early_print_lm(const char *str, unsigned int len) struct mto *mto; struct go *go; - sccb = (struct write_sccb *) &sclp_early_sccb; - end = (unsigned char *) sccb + sizeof(sclp_early_sccb) - 1; + sccb = (struct write_sccb *) sclp_early_sccb; + end = (unsigned char *) sccb + EARLY_SCCB_SIZE - 1; memset(sccb, 0, sizeof(*sccb)); ptr = (unsigned char *) &sccb->msg.mdb.mto; offset = 0; @@ -139,9 +139,9 @@ static void sclp_early_print_vt220(const char *str, unsigned int len) { struct vt220_sccb *sccb; - sccb = (struct vt220_sccb *) &sclp_early_sccb; - if (sizeof(*sccb) + len >= sizeof(sclp_early_sccb)) - len = sizeof(sclp_early_sccb) - sizeof(*sccb); + sccb = (struct vt220_sccb *) sclp_early_sccb; + if (sizeof(*sccb) + len >= EARLY_SCCB_SIZE) + len = EARLY_SCCB_SIZE - sizeof(*sccb); memset(sccb, 0, sizeof(*sccb)); memcpy(&sccb->msg.data, str, len); sccb->header.length = sizeof(*sccb) + len; @@ -199,7 +199,7 @@ static int sclp_early_setup(int disable, int *have_linemode, int *have_vt220) BUILD_BUG_ON(sizeof(struct init_sccb) > PAGE_SIZE); *have_linemode = *have_vt220 = 0; - sccb = (struct init_sccb *) &sclp_early_sccb; + sccb = (struct init_sccb *) sclp_early_sccb; receive_mask = disable ? 0 : EVTYP_OPCMD_MASK; send_mask = disable ? 0 : EVTYP_VT220MSG_MASK | EVTYP_MSG_MASK; rc = sclp_early_set_event_mask(sccb, receive_mask, send_mask); @@ -304,7 +304,7 @@ int __init sclp_early_get_hsa_size(unsigned long *hsa_size) void __weak __init add_mem_detect_block(u64 start, u64 end) {} int __init sclp_early_read_storage_info(void) { - struct read_storage_sccb *sccb = (struct read_storage_sccb *)&sclp_early_sccb; + struct read_storage_sccb *sccb = (struct read_storage_sccb *)sclp_early_sccb; int rc, id, max_id = 0; unsigned long rn, rzm; sclp_cmdw_t command; @@ -320,8 +320,8 @@ int __init sclp_early_read_storage_info(void) rzm <<= 20; for (id = 0; id <= max_id; id++) { - memset(sclp_early_sccb, 0, sizeof(sclp_early_sccb)); - sccb->header.length = sizeof(sclp_early_sccb); + memset(sclp_early_sccb, 0, EARLY_SCCB_SIZE); + sccb->header.length = EARLY_SCCB_SIZE; command = SCLP_CMDW_READ_STORAGE_INFO | (id << 8); rc = sclp_early_cmd(command, sccb); if (rc) diff --git a/drivers/s390/char/sclp_sdias.c b/drivers/s390/char/sclp_sdias.c index 8e0b69a2f11a..13f97fd73aca 100644 --- a/drivers/s390/char/sclp_sdias.c +++ b/drivers/s390/char/sclp_sdias.c @@ -29,7 +29,7 @@ static struct sclp_register sclp_sdias_register = { .send_mask = EVTYP_SDIAS_MASK, }; -static struct sdias_sccb sccb __attribute__((aligned(4096))); +static struct sdias_sccb *sclp_sdias_sccb; static struct sdias_evbuf sdias_evbuf; static DECLARE_COMPLETION(evbuf_accepted); @@ -58,6 +58,7 @@ static void sdias_callback(struct sclp_req *request, void *data) static int sdias_sclp_send(struct sclp_req *req) { + struct sdias_sccb *sccb = sclp_sdias_sccb; int retries; int rc; @@ -78,16 +79,16 @@ static int sdias_sclp_send(struct sclp_req *req) continue; } /* if not accepted, retry */ - if (!(sccb.evbuf.hdr.flags & 0x80)) { + if (!(sccb->evbuf.hdr.flags & 0x80)) { TRACE("sclp request failed: flags=%x\n", - sccb.evbuf.hdr.flags); + sccb->evbuf.hdr.flags); continue; } /* * for the sync interface the response is in the initial sccb */ if (!sclp_sdias_register.receiver_fn) { - memcpy(&sdias_evbuf, &sccb.evbuf, sizeof(sdias_evbuf)); + memcpy(&sdias_evbuf, &sccb->evbuf, sizeof(sdias_evbuf)); TRACE("sync request done\n"); return 0; } @@ -104,23 +105,24 @@ static int sdias_sclp_send(struct sclp_req *req) */ int sclp_sdias_blk_count(void) { + struct sdias_sccb *sccb = sclp_sdias_sccb; struct sclp_req request; int rc; mutex_lock(&sdias_mutex); - memset(&sccb, 0, sizeof(sccb)); + memset(sccb, 0, sizeof(*sccb)); memset(&request, 0, sizeof(request)); - sccb.hdr.length = sizeof(sccb); - sccb.evbuf.hdr.length = sizeof(struct sdias_evbuf); - sccb.evbuf.hdr.type = EVTYP_SDIAS; - sccb.evbuf.event_qual = SDIAS_EQ_SIZE; - sccb.evbuf.data_id = SDIAS_DI_FCP_DUMP; - sccb.evbuf.event_id = 4712; - sccb.evbuf.dbs = 1; + sccb->hdr.length = sizeof(*sccb); + sccb->evbuf.hdr.length = sizeof(struct sdias_evbuf); + sccb->evbuf.hdr.type = EVTYP_SDIAS; + sccb->evbuf.event_qual = SDIAS_EQ_SIZE; + sccb->evbuf.data_id = SDIAS_DI_FCP_DUMP; + sccb->evbuf.event_id = 4712; + sccb->evbuf.dbs = 1; - request.sccb = &sccb; + request.sccb = sccb; request.command = SCLP_CMDW_WRITE_EVENT_DATA; request.status = SCLP_REQ_FILLED; request.callback = sdias_callback; @@ -130,8 +132,8 @@ int sclp_sdias_blk_count(void) pr_err("sclp_send failed for get_nr_blocks\n"); goto out; } - if (sccb.hdr.response_code != 0x0020) { - TRACE("send failed: %x\n", sccb.hdr.response_code); + if (sccb->hdr.response_code != 0x0020) { + TRACE("send failed: %x\n", sccb->hdr.response_code); rc = -EIO; goto out; } @@ -163,30 +165,31 @@ out: */ int sclp_sdias_copy(void *dest, int start_blk, int nr_blks) { + struct sdias_sccb *sccb = sclp_sdias_sccb; struct sclp_req request; int rc; mutex_lock(&sdias_mutex); - memset(&sccb, 0, sizeof(sccb)); + memset(sccb, 0, sizeof(*sccb)); memset(&request, 0, sizeof(request)); - sccb.hdr.length = sizeof(sccb); - sccb.evbuf.hdr.length = sizeof(struct sdias_evbuf); - sccb.evbuf.hdr.type = EVTYP_SDIAS; - sccb.evbuf.hdr.flags = 0; - sccb.evbuf.event_qual = SDIAS_EQ_STORE_DATA; - sccb.evbuf.data_id = SDIAS_DI_FCP_DUMP; - sccb.evbuf.event_id = 4712; - sccb.evbuf.asa_size = SDIAS_ASA_SIZE_64; - sccb.evbuf.event_status = 0; - sccb.evbuf.blk_cnt = nr_blks; - sccb.evbuf.asa = (unsigned long)dest; - sccb.evbuf.fbn = start_blk; - sccb.evbuf.lbn = 0; - sccb.evbuf.dbs = 1; - - request.sccb = &sccb; + sccb->hdr.length = sizeof(*sccb); + sccb->evbuf.hdr.length = sizeof(struct sdias_evbuf); + sccb->evbuf.hdr.type = EVTYP_SDIAS; + sccb->evbuf.hdr.flags = 0; + sccb->evbuf.event_qual = SDIAS_EQ_STORE_DATA; + sccb->evbuf.data_id = SDIAS_DI_FCP_DUMP; + sccb->evbuf.event_id = 4712; + sccb->evbuf.asa_size = SDIAS_ASA_SIZE_64; + sccb->evbuf.event_status = 0; + sccb->evbuf.blk_cnt = nr_blks; + sccb->evbuf.asa = (unsigned long)dest; + sccb->evbuf.fbn = start_blk; + sccb->evbuf.lbn = 0; + sccb->evbuf.dbs = 1; + + request.sccb = sccb; request.command = SCLP_CMDW_WRITE_EVENT_DATA; request.status = SCLP_REQ_FILLED; request.callback = sdias_callback; @@ -196,8 +199,8 @@ int sclp_sdias_copy(void *dest, int start_blk, int nr_blks) pr_err("sclp_send failed: %x\n", rc); goto out; } - if (sccb.hdr.response_code != 0x0020) { - TRACE("copy failed: %x\n", sccb.hdr.response_code); + if (sccb->hdr.response_code != 0x0020) { + TRACE("copy failed: %x\n", sccb->hdr.response_code); rc = -EIO; goto out; } @@ -256,6 +259,8 @@ int __init sclp_sdias_init(void) { if (ipl_info.type != IPL_TYPE_FCP_DUMP) return 0; + sclp_sdias_sccb = (void *) __get_free_page(GFP_KERNEL | GFP_DMA); + BUG_ON(!sclp_sdias_sccb); sdias_dbf = debug_register("dump_sdias", 4, 1, 4 * sizeof(long)); debug_register_view(sdias_dbf, &debug_sprintf_view); debug_set_level(sdias_dbf, 6); @@ -264,6 +269,7 @@ int __init sclp_sdias_init(void) if (sclp_sdias_init_async() == 0) goto out; TRACE("init failed\n"); + free_page((unsigned long) sclp_sdias_sccb); return -ENODEV; out: TRACE("init done\n"); diff --git a/drivers/s390/char/tty3270.c b/drivers/s390/char/tty3270.c index 2b0c36c2c568..98d7fc152e32 100644 --- a/drivers/s390/char/tty3270.c +++ b/drivers/s390/char/tty3270.c @@ -980,7 +980,8 @@ static int tty3270_install(struct tty_driver *driver, struct tty_struct *tty) return PTR_ERR(tp); rc = raw3270_add_view(&tp->view, &tty3270_fn, - tty->index + RAW3270_FIRSTMINOR); + tty->index + RAW3270_FIRSTMINOR, + RAW3270_VIEW_LOCK_BH); if (rc) { tty3270_free_view(tp); return rc; diff --git a/drivers/s390/char/zcore.c b/drivers/s390/char/zcore.c index 76d3c50bf078..f75d3bfb5af3 100644 --- a/drivers/s390/char/zcore.c +++ b/drivers/s390/char/zcore.c @@ -51,7 +51,7 @@ static struct dentry *zcore_dir; static struct dentry *zcore_memmap_file; static struct dentry *zcore_reipl_file; static struct dentry *zcore_hsa_file; -static struct ipl_parameter_block *ipl_block; +static struct ipl_parameter_block *zcore_ipl_block; static char hsa_buf[PAGE_SIZE] __aligned(PAGE_SIZE); @@ -182,8 +182,8 @@ static const struct file_operations zcore_memmap_fops = { static ssize_t zcore_reipl_write(struct file *filp, const char __user *buf, size_t count, loff_t *ppos) { - if (ipl_block) { - diag308(DIAG308_SET, ipl_block); + if (zcore_ipl_block) { + diag308(DIAG308_SET, zcore_ipl_block); diag308(DIAG308_LOAD_CLEAR, NULL); } return count; @@ -265,18 +265,20 @@ static int __init zcore_reipl_init(void) return rc; if (ipib_info.ipib == 0) return 0; - ipl_block = (void *) __get_free_page(GFP_KERNEL); - if (!ipl_block) + zcore_ipl_block = (void *) __get_free_page(GFP_KERNEL); + if (!zcore_ipl_block) return -ENOMEM; if (ipib_info.ipib < sclp.hsa_size) - rc = memcpy_hsa_kernel(ipl_block, ipib_info.ipib, PAGE_SIZE); + rc = memcpy_hsa_kernel(zcore_ipl_block, ipib_info.ipib, + PAGE_SIZE); else - rc = memcpy_real(ipl_block, (void *) ipib_info.ipib, PAGE_SIZE); - if (rc || (__force u32)csum_partial(ipl_block, ipl_block->hdr.len, 0) != + rc = memcpy_real(zcore_ipl_block, (void *) ipib_info.ipib, + PAGE_SIZE); + if (rc || (__force u32)csum_partial(zcore_ipl_block, zcore_ipl_block->hdr.len, 0) != ipib_info.checksum) { TRACE("Checksum does not match\n"); - free_page((unsigned long) ipl_block); - ipl_block = NULL; + free_page((unsigned long) zcore_ipl_block); + zcore_ipl_block = NULL; } return 0; } diff --git a/drivers/s390/cio/Makefile b/drivers/s390/cio/Makefile index f230516abb96..f6a8db04177c 100644 --- a/drivers/s390/cio/Makefile +++ b/drivers/s390/cio/Makefile @@ -20,5 +20,6 @@ obj-$(CONFIG_CCWGROUP) += ccwgroup.o qdio-objs := qdio_main.o qdio_thinint.o qdio_debug.o qdio_setup.o obj-$(CONFIG_QDIO) += qdio.o -vfio_ccw-objs += vfio_ccw_drv.o vfio_ccw_cp.o vfio_ccw_ops.o vfio_ccw_fsm.o +vfio_ccw-objs += vfio_ccw_drv.o vfio_ccw_cp.o vfio_ccw_ops.o vfio_ccw_fsm.o \ + vfio_ccw_async.o obj-$(CONFIG_VFIO_CCW) += vfio_ccw.o diff --git a/drivers/s390/cio/airq.c b/drivers/s390/cio/airq.c index a45011e4529e..4534afc63591 100644 --- a/drivers/s390/cio/airq.c +++ b/drivers/s390/cio/airq.c @@ -27,6 +27,8 @@ static DEFINE_SPINLOCK(airq_lists_lock); static struct hlist_head airq_lists[MAX_ISC+1]; +static struct kmem_cache *airq_iv_cache; + /** * register_adapter_interrupt() - register adapter interrupt handler * @airq: pointer to adapter interrupt descriptor @@ -95,7 +97,7 @@ static irqreturn_t do_airq_interrupt(int irq, void *dummy) rcu_read_lock(); hlist_for_each_entry_rcu(airq, head, list) if ((*airq->lsi_ptr & airq->lsi_mask) != 0) - airq->handler(airq); + airq->handler(airq, !tpi_info->directed_irq); rcu_read_unlock(); return IRQ_HANDLED; @@ -129,10 +131,21 @@ struct airq_iv *airq_iv_create(unsigned long bits, unsigned long flags) if (!iv) goto out; iv->bits = bits; + iv->flags = flags; size = BITS_TO_LONGS(bits) * sizeof(unsigned long); - iv->vector = kzalloc(size, GFP_KERNEL); - if (!iv->vector) - goto out_free; + + if (flags & AIRQ_IV_CACHELINE) { + if ((cache_line_size() * BITS_PER_BYTE) < bits) + goto out_free; + + iv->vector = kmem_cache_zalloc(airq_iv_cache, GFP_KERNEL); + if (!iv->vector) + goto out_free; + } else { + iv->vector = kzalloc(size, GFP_KERNEL); + if (!iv->vector) + goto out_free; + } if (flags & AIRQ_IV_ALLOC) { iv->avail = kmalloc(size, GFP_KERNEL); if (!iv->avail) @@ -165,7 +178,10 @@ out_free: kfree(iv->ptr); kfree(iv->bitlock); kfree(iv->avail); - kfree(iv->vector); + if (iv->flags & AIRQ_IV_CACHELINE) + kmem_cache_free(airq_iv_cache, iv->vector); + else + kfree(iv->vector); kfree(iv); out: return NULL; @@ -181,7 +197,10 @@ void airq_iv_release(struct airq_iv *iv) kfree(iv->data); kfree(iv->ptr); kfree(iv->bitlock); - kfree(iv->vector); + if (iv->flags & AIRQ_IV_CACHELINE) + kmem_cache_free(airq_iv_cache, iv->vector); + else + kfree(iv->vector); kfree(iv->avail); kfree(iv); } @@ -275,3 +294,13 @@ unsigned long airq_iv_scan(struct airq_iv *iv, unsigned long start, return bit; } EXPORT_SYMBOL(airq_iv_scan); + +static int __init airq_init(void) +{ + airq_iv_cache = kmem_cache_create("airq_iv_cache", cache_line_size(), + cache_line_size(), 0, NULL); + if (!airq_iv_cache) + return -ENOMEM; + return 0; +} +subsys_initcall(airq_init); diff --git a/drivers/s390/cio/cio.c b/drivers/s390/cio/cio.c index de744ca158fd..18f5458f90e8 100644 --- a/drivers/s390/cio/cio.c +++ b/drivers/s390/cio/cio.c @@ -564,7 +564,7 @@ static irqreturn_t do_cio_interrupt(int irq, void *dummy) } static struct irqaction io_interrupt = { - .name = "IO", + .name = "I/O", .handler = do_cio_interrupt, }; diff --git a/drivers/s390/cio/cio.h b/drivers/s390/cio/cio.h index 9811fd8a0c73..06a91743335a 100644 --- a/drivers/s390/cio/cio.h +++ b/drivers/s390/cio/cio.h @@ -51,7 +51,7 @@ struct tpi_info { struct subchannel_id schid; u32 intparm; u32 adapter_IO:1; - u32 :1; + u32 directed_irq:1; u32 isc:3; u32 :27; u32 type:3; @@ -115,7 +115,7 @@ struct subchannel { struct schib_config config; } __attribute__ ((aligned(8))); -DECLARE_PER_CPU(struct irb, cio_irb); +DECLARE_PER_CPU_ALIGNED(struct irb, cio_irb); #define to_subchannel(n) container_of(n, struct subchannel, dev) diff --git a/drivers/s390/cio/ioasm.c b/drivers/s390/cio/ioasm.c index 14d328338ce2..08eb10283b18 100644 --- a/drivers/s390/cio/ioasm.c +++ b/drivers/s390/cio/ioasm.c @@ -233,6 +233,7 @@ int hsch(struct subchannel_id schid) return ccode; } +EXPORT_SYMBOL(hsch); static inline int __xsch(struct subchannel_id schid) { diff --git a/drivers/s390/cio/qdio.h b/drivers/s390/cio/qdio.h index a6f7c2986b94..a06944399865 100644 --- a/drivers/s390/cio/qdio.h +++ b/drivers/s390/cio/qdio.h @@ -228,9 +228,6 @@ struct qdio_q { */ int first_to_check; - /* first_to_check of the last time */ - int last_move; - /* beginning position for calling the program */ int first_to_kick; @@ -341,8 +338,7 @@ static inline int multicast_outbound(struct qdio_q *q) (q->nr == q->irq_ptr->nr_output_qs - 1); } -#define pci_out_supported(q) \ - (q->irq_ptr->qib.ac & QIB_AC_OUTBOUND_PCI_SUPPORTED) +#define pci_out_supported(irq) ((irq)->qib.ac & QIB_AC_OUTBOUND_PCI_SUPPORTED) #define is_qebsm(q) (q->irq_ptr->sch_token != 0) #define need_siga_in(q) (q->irq_ptr->siga_flag.input) diff --git a/drivers/s390/cio/qdio_debug.c b/drivers/s390/cio/qdio_debug.c index d2f98e5829d4..35410e6eda2e 100644 --- a/drivers/s390/cio/qdio_debug.c +++ b/drivers/s390/cio/qdio_debug.c @@ -121,15 +121,14 @@ static int qstat_show(struct seq_file *m, void *v) seq_printf(m, "Timestamp: %Lx Last AI: %Lx\n", q->timestamp, last_ai_time); - seq_printf(m, "nr_used: %d ftc: %d last_move: %d\n", - atomic_read(&q->nr_buf_used), - q->first_to_check, q->last_move); + seq_printf(m, "nr_used: %d ftc: %d\n", + atomic_read(&q->nr_buf_used), q->first_to_check); if (q->is_input_q) { seq_printf(m, "polling: %d ack start: %d ack count: %d\n", q->u.in.polling, q->u.in.ack_start, q->u.in.ack_count); - seq_printf(m, "DSCI: %d IRQs disabled: %u\n", - *(u32 *)q->irq_ptr->dsci, + seq_printf(m, "DSCI: %x IRQs disabled: %u\n", + *(u8 *)q->irq_ptr->dsci, test_bit(QDIO_QUEUE_IRQS_DISABLED, &q->u.in.queue_irq_state)); } diff --git a/drivers/s390/cio/qdio_main.c b/drivers/s390/cio/qdio_main.c index 9537e656e927..cfce255521ac 100644 --- a/drivers/s390/cio/qdio_main.c +++ b/drivers/s390/cio/qdio_main.c @@ -371,7 +371,7 @@ static inline int qdio_siga_input(struct qdio_q *q) static inline void qdio_sync_queues(struct qdio_q *q) { /* PCI capable outbound queues will also be scanned so sync them too */ - if (pci_out_supported(q)) + if (pci_out_supported(q->irq_ptr)) qdio_siga_sync_all(q); else qdio_siga_sync_q(q); @@ -415,7 +415,8 @@ static inline void account_sbals(struct qdio_q *q, unsigned int count) q->q_stats.nr_sbals[pos]++; } -static void process_buffer_error(struct qdio_q *q, int count) +static void process_buffer_error(struct qdio_q *q, unsigned int start, + int count) { unsigned char state = (q->is_input_q) ? SLSB_P_INPUT_NOT_INIT : SLSB_P_OUTPUT_NOT_INIT; @@ -424,29 +425,29 @@ static void process_buffer_error(struct qdio_q *q, int count) /* special handling for no target buffer empty */ if (queue_type(q) == QDIO_IQDIO_QFMT && !q->is_input_q && - q->sbal[q->first_to_check]->element[15].sflags == 0x10) { + q->sbal[start]->element[15].sflags == 0x10) { qperf_inc(q, target_full); - DBF_DEV_EVENT(DBF_INFO, q->irq_ptr, "OUTFULL FTC:%02x", - q->first_to_check); + DBF_DEV_EVENT(DBF_INFO, q->irq_ptr, "OUTFULL FTC:%02x", start); goto set; } DBF_ERROR("%4x BUF ERROR", SCH_NO(q)); DBF_ERROR((q->is_input_q) ? "IN:%2d" : "OUT:%2d", q->nr); - DBF_ERROR("FTC:%3d C:%3d", q->first_to_check, count); + DBF_ERROR("FTC:%3d C:%3d", start, count); DBF_ERROR("F14:%2x F15:%2x", - q->sbal[q->first_to_check]->element[14].sflags, - q->sbal[q->first_to_check]->element[15].sflags); + q->sbal[start]->element[14].sflags, + q->sbal[start]->element[15].sflags); set: /* * Interrupts may be avoided as long as the error is present * so change the buffer state immediately to avoid starvation. */ - set_buf_states(q, q->first_to_check, state, count); + set_buf_states(q, start, state, count); } -static inline void inbound_primed(struct qdio_q *q, int count) +static inline void inbound_primed(struct qdio_q *q, unsigned int start, + int count) { int new; @@ -457,7 +458,7 @@ static inline void inbound_primed(struct qdio_q *q, int count) if (!q->u.in.polling) { q->u.in.polling = 1; q->u.in.ack_count = count; - q->u.in.ack_start = q->first_to_check; + q->u.in.ack_start = start; return; } @@ -465,7 +466,7 @@ static inline void inbound_primed(struct qdio_q *q, int count) set_buf_states(q, q->u.in.ack_start, SLSB_P_INPUT_NOT_INIT, q->u.in.ack_count); q->u.in.ack_count = count; - q->u.in.ack_start = q->first_to_check; + q->u.in.ack_start = start; return; } @@ -473,7 +474,7 @@ static inline void inbound_primed(struct qdio_q *q, int count) * ACK the newest buffer. The ACK will be removed in qdio_stop_polling * or by the next inbound run. */ - new = add_buf(q->first_to_check, count - 1); + new = add_buf(start, count - 1); if (q->u.in.polling) { /* reset the previous ACK but first set the new one */ set_buf_state(q, new, SLSB_P_INPUT_ACK); @@ -488,10 +489,10 @@ static inline void inbound_primed(struct qdio_q *q, int count) if (!count) return; /* need to change ALL buffers to get more interrupts */ - set_buf_states(q, q->first_to_check, SLSB_P_INPUT_NOT_INIT, count); + set_buf_states(q, start, SLSB_P_INPUT_NOT_INIT, count); } -static int get_inbound_buffer_frontier(struct qdio_q *q) +static int get_inbound_buffer_frontier(struct qdio_q *q, unsigned int start) { unsigned char state = 0; int count; @@ -504,64 +505,58 @@ static int get_inbound_buffer_frontier(struct qdio_q *q) */ count = min(atomic_read(&q->nr_buf_used), QDIO_MAX_BUFFERS_MASK); if (!count) - goto out; + return 0; /* * No siga sync here, as a PCI or we after a thin interrupt * already sync'ed the queues. */ - count = get_buf_states(q, q->first_to_check, &state, count, 1, 0); + count = get_buf_states(q, start, &state, count, 1, 0); if (!count) - goto out; + return 0; switch (state) { case SLSB_P_INPUT_PRIMED: - inbound_primed(q, count); - q->first_to_check = add_buf(q->first_to_check, count); + inbound_primed(q, start, count); if (atomic_sub_return(count, &q->nr_buf_used) == 0) qperf_inc(q, inbound_queue_full); if (q->irq_ptr->perf_stat_enabled) account_sbals(q, count); - break; + return count; case SLSB_P_INPUT_ERROR: - process_buffer_error(q, count); - q->first_to_check = add_buf(q->first_to_check, count); + process_buffer_error(q, start, count); if (atomic_sub_return(count, &q->nr_buf_used) == 0) qperf_inc(q, inbound_queue_full); if (q->irq_ptr->perf_stat_enabled) account_sbals_error(q, count); - break; + return count; case SLSB_CU_INPUT_EMPTY: case SLSB_P_INPUT_NOT_INIT: case SLSB_P_INPUT_ACK: if (q->irq_ptr->perf_stat_enabled) q->q_stats.nr_sbal_nop++; DBF_DEV_EVENT(DBF_INFO, q->irq_ptr, "in nop:%1d %#02x", - q->nr, q->first_to_check); - break; + q->nr, start); + return 0; default: WARN_ON_ONCE(1); + return 0; } -out: - return q->first_to_check; } -static int qdio_inbound_q_moved(struct qdio_q *q) +static int qdio_inbound_q_moved(struct qdio_q *q, unsigned int start) { - int bufnr; + int count; - bufnr = get_inbound_buffer_frontier(q); + count = get_inbound_buffer_frontier(q, start); - if (bufnr != q->last_move) { - q->last_move = bufnr; - if (!is_thinint_irq(q->irq_ptr) && MACHINE_IS_LPAR) - q->u.in.timestamp = get_tod_clock(); - return 1; - } else - return 0; + if (count && !is_thinint_irq(q->irq_ptr) && MACHINE_IS_LPAR) + q->u.in.timestamp = get_tod_clock(); + + return count; } -static inline int qdio_inbound_q_done(struct qdio_q *q) +static inline int qdio_inbound_q_done(struct qdio_q *q, unsigned int start) { unsigned char state = 0; @@ -570,7 +565,7 @@ static inline int qdio_inbound_q_done(struct qdio_q *q) if (need_siga_sync(q)) qdio_siga_sync_q(q); - get_buf_state(q, q->first_to_check, &state, 0); + get_buf_state(q, start, &state, 0); if (state == SLSB_P_INPUT_PRIMED || state == SLSB_P_INPUT_ERROR) /* more work coming */ @@ -588,8 +583,7 @@ static inline int qdio_inbound_q_done(struct qdio_q *q) * has (probably) not moved (see qdio_inbound_processing). */ if (get_tod_clock_fast() > q->u.in.timestamp + QDIO_INPUT_THRESHOLD) { - DBF_DEV_EVENT(DBF_INFO, q->irq_ptr, "in done:%02x", - q->first_to_check); + DBF_DEV_EVENT(DBF_INFO, q->irq_ptr, "in done:%02x", start); return 1; } else return 0; @@ -637,17 +631,13 @@ static inline unsigned long qdio_aob_for_buffer(struct qdio_output_q *q, return phys_aob; } -static void qdio_kick_handler(struct qdio_q *q) +static void qdio_kick_handler(struct qdio_q *q, unsigned int count) { int start = q->first_to_kick; - int end = q->first_to_check; - int count; if (unlikely(q->irq_ptr->state != QDIO_IRQ_STATE_ACTIVE)) return; - count = sub_buf(end, start); - if (q->is_input_q) { qperf_inc(q, inbound_handler); DBF_DEV_EVENT(DBF_INFO, q->irq_ptr, "kih s:%02x c:%02x", start, count); @@ -663,7 +653,7 @@ static void qdio_kick_handler(struct qdio_q *q) q->irq_ptr->int_parm); /* for the next time */ - q->first_to_kick = end; + q->first_to_kick = add_buf(start, count); q->qdio_error = 0; } @@ -678,14 +668,20 @@ static inline int qdio_tasklet_schedule(struct qdio_q *q) static void __qdio_inbound_processing(struct qdio_q *q) { + unsigned int start = q->first_to_check; + int count; + qperf_inc(q, tasklet_inbound); - if (!qdio_inbound_q_moved(q)) + count = qdio_inbound_q_moved(q, start); + if (count == 0) return; - qdio_kick_handler(q); + start = add_buf(start, count); + q->first_to_check = start; + qdio_kick_handler(q, count); - if (!qdio_inbound_q_done(q)) { + if (!qdio_inbound_q_done(q, start)) { /* means poll time is not yet over */ qperf_inc(q, tasklet_inbound_resched); if (!qdio_tasklet_schedule(q)) @@ -697,7 +693,7 @@ static void __qdio_inbound_processing(struct qdio_q *q) * We need to check again to not lose initiative after * resetting the ACK state. */ - if (!qdio_inbound_q_done(q)) { + if (!qdio_inbound_q_done(q, start)) { qperf_inc(q, tasklet_inbound_resched2); qdio_tasklet_schedule(q); } @@ -709,7 +705,7 @@ void qdio_inbound_processing(unsigned long data) __qdio_inbound_processing(q); } -static int get_outbound_buffer_frontier(struct qdio_q *q) +static int get_outbound_buffer_frontier(struct qdio_q *q, unsigned int start) { unsigned char state = 0; int count; @@ -718,7 +714,7 @@ static int get_outbound_buffer_frontier(struct qdio_q *q) if (need_siga_sync(q)) if (((queue_type(q) != QDIO_IQDIO_QFMT) && - !pci_out_supported(q)) || + !pci_out_supported(q->irq_ptr)) || (queue_type(q) == QDIO_IQDIO_QFMT && multicast_outbound(q))) qdio_siga_sync_q(q); @@ -729,12 +725,11 @@ static int get_outbound_buffer_frontier(struct qdio_q *q) */ count = min(atomic_read(&q->nr_buf_used), QDIO_MAX_BUFFERS_MASK); if (!count) - goto out; + return 0; - count = get_buf_states(q, q->first_to_check, &state, count, 0, - q->u.out.use_cq); + count = get_buf_states(q, start, &state, count, 0, q->u.out.use_cq); if (!count) - goto out; + return 0; switch (state) { case SLSB_P_OUTPUT_EMPTY: @@ -743,34 +738,29 @@ static int get_outbound_buffer_frontier(struct qdio_q *q) "out empty:%1d %02x", q->nr, count); atomic_sub(count, &q->nr_buf_used); - q->first_to_check = add_buf(q->first_to_check, count); if (q->irq_ptr->perf_stat_enabled) account_sbals(q, count); - - break; + return count; case SLSB_P_OUTPUT_ERROR: - process_buffer_error(q, count); - q->first_to_check = add_buf(q->first_to_check, count); + process_buffer_error(q, start, count); atomic_sub(count, &q->nr_buf_used); if (q->irq_ptr->perf_stat_enabled) account_sbals_error(q, count); - break; + return count; case SLSB_CU_OUTPUT_PRIMED: /* the adapter has not fetched the output yet */ if (q->irq_ptr->perf_stat_enabled) q->q_stats.nr_sbal_nop++; DBF_DEV_EVENT(DBF_INFO, q->irq_ptr, "out primed:%1d", q->nr); - break; + return 0; case SLSB_P_OUTPUT_NOT_INIT: case SLSB_P_OUTPUT_HALTED: - break; + return 0; default: WARN_ON_ONCE(1); + return 0; } - -out: - return q->first_to_check; } /* all buffers processed? */ @@ -779,18 +769,16 @@ static inline int qdio_outbound_q_done(struct qdio_q *q) return atomic_read(&q->nr_buf_used) == 0; } -static inline int qdio_outbound_q_moved(struct qdio_q *q) +static inline int qdio_outbound_q_moved(struct qdio_q *q, unsigned int start) { - int bufnr; + int count; - bufnr = get_outbound_buffer_frontier(q); + count = get_outbound_buffer_frontier(q, start); - if (bufnr != q->last_move) { - q->last_move = bufnr; + if (count) DBF_DEV_EVENT(DBF_INFO, q->irq_ptr, "out moved:%1d", q->nr); - return 1; - } else - return 0; + + return count; } static int qdio_kick_outbound_q(struct qdio_q *q, unsigned long aob) @@ -837,15 +825,21 @@ retry: static void __qdio_outbound_processing(struct qdio_q *q) { + unsigned int start = q->first_to_check; + int count; + qperf_inc(q, tasklet_outbound); WARN_ON_ONCE(atomic_read(&q->nr_buf_used) < 0); - if (qdio_outbound_q_moved(q)) - qdio_kick_handler(q); + count = qdio_outbound_q_moved(q, start); + if (count) { + q->first_to_check = add_buf(start, count); + qdio_kick_handler(q, count); + } - if (queue_type(q) == QDIO_ZFCP_QFMT) - if (!pci_out_supported(q) && !qdio_outbound_q_done(q)) - goto sched; + if (queue_type(q) == QDIO_ZFCP_QFMT && !pci_out_supported(q->irq_ptr) && + !qdio_outbound_q_done(q)) + goto sched; if (q->u.out.pci_out_enabled) return; @@ -881,37 +875,40 @@ void qdio_outbound_timer(struct timer_list *t) qdio_tasklet_schedule(q); } -static inline void qdio_check_outbound_after_thinint(struct qdio_q *q) +static inline void qdio_check_outbound_pci_queues(struct qdio_irq *irq) { struct qdio_q *out; int i; - if (!pci_out_supported(q)) + if (!pci_out_supported(irq)) return; - for_each_output_queue(q->irq_ptr, out, i) + for_each_output_queue(irq, out, i) if (!qdio_outbound_q_done(out)) qdio_tasklet_schedule(out); } static void __tiqdio_inbound_processing(struct qdio_q *q) { + unsigned int start = q->first_to_check; + int count; + qperf_inc(q, tasklet_inbound); if (need_siga_sync(q) && need_siga_sync_after_ai(q)) qdio_sync_queues(q); - /* - * The interrupt could be caused by a PCI request. Check the - * PCI capable outbound queues. - */ - qdio_check_outbound_after_thinint(q); + /* The interrupt could be caused by a PCI request: */ + qdio_check_outbound_pci_queues(q->irq_ptr); - if (!qdio_inbound_q_moved(q)) + count = qdio_inbound_q_moved(q, start); + if (count == 0) return; - qdio_kick_handler(q); + start = add_buf(start, count); + q->first_to_check = start; + qdio_kick_handler(q, count); - if (!qdio_inbound_q_done(q)) { + if (!qdio_inbound_q_done(q, start)) { qperf_inc(q, tasklet_inbound_resched); if (!qdio_tasklet_schedule(q)) return; @@ -922,7 +919,7 @@ static void __tiqdio_inbound_processing(struct qdio_q *q) * We need to check again to not lose initiative after * resetting the ACK state. */ - if (!qdio_inbound_q_done(q)) { + if (!qdio_inbound_q_done(q, start)) { qperf_inc(q, tasklet_inbound_resched2); qdio_tasklet_schedule(q); } @@ -976,7 +973,7 @@ static void qdio_int_handler_pci(struct qdio_irq *irq_ptr) } } - if (!(irq_ptr->qib.ac & QIB_AC_OUTBOUND_PCI_SUPPORTED)) + if (!pci_out_supported(irq_ptr)) return; for_each_output_queue(irq_ptr, q, i) { @@ -1642,7 +1639,7 @@ int qdio_start_irq(struct ccw_device *cdev, int nr) */ if (test_nonshared_ind(irq_ptr)) goto rescan; - if (!qdio_inbound_q_done(q)) + if (!qdio_inbound_q_done(q, q->first_to_check)) goto rescan; return 0; @@ -1672,12 +1669,14 @@ int qdio_get_next_buffers(struct ccw_device *cdev, int nr, int *bufnr, int *error) { struct qdio_q *q; - int start, end; struct qdio_irq *irq_ptr = cdev->private->qdio_data; + unsigned int start; + int count; if (!irq_ptr) return -ENODEV; q = irq_ptr->input_qs[nr]; + start = q->first_to_check; /* * Cannot rely on automatic sync after interrupt since queues may @@ -1686,25 +1685,27 @@ int qdio_get_next_buffers(struct ccw_device *cdev, int nr, int *bufnr, if (need_siga_sync(q)) qdio_sync_queues(q); - /* check the PCI capable outbound queues. */ - qdio_check_outbound_after_thinint(q); + qdio_check_outbound_pci_queues(irq_ptr); - if (!qdio_inbound_q_moved(q)) + count = qdio_inbound_q_moved(q, start); + if (count == 0) return 0; + start = add_buf(start, count); + q->first_to_check = start; + /* Note: upper-layer MUST stop processing immediately here ... */ if (unlikely(q->irq_ptr->state != QDIO_IRQ_STATE_ACTIVE)) return -EIO; - start = q->first_to_kick; - end = q->first_to_check; - *bufnr = start; + *bufnr = q->first_to_kick; *error = q->qdio_error; /* for the next time */ - q->first_to_kick = end; + q->first_to_kick = add_buf(q->first_to_kick, count); q->qdio_error = 0; - return sub_buf(end, start); + + return count; } EXPORT_SYMBOL(qdio_get_next_buffers); diff --git a/drivers/s390/cio/qdio_setup.c b/drivers/s390/cio/qdio_setup.c index a59887fad13e..99d7d2566a3a 100644 --- a/drivers/s390/cio/qdio_setup.c +++ b/drivers/s390/cio/qdio_setup.c @@ -523,7 +523,7 @@ void qdio_print_subchannel_info(struct qdio_irq *irq_ptr, irq_ptr->schid.sch_no, is_thinint_irq(irq_ptr), (irq_ptr->sch_token) ? 1 : 0, - (irq_ptr->qib.ac & QIB_AC_OUTBOUND_PCI_SUPPORTED) ? 1 : 0, + pci_out_supported(irq_ptr) ? 1 : 0, css_general_characteristics.aif_tdd, (irq_ptr->siga_flag.input) ? "R" : " ", (irq_ptr->siga_flag.output) ? "W" : " ", diff --git a/drivers/s390/cio/qdio_thinint.c b/drivers/s390/cio/qdio_thinint.c index 07dea602205b..28d59ac2204c 100644 --- a/drivers/s390/cio/qdio_thinint.c +++ b/drivers/s390/cio/qdio_thinint.c @@ -40,7 +40,7 @@ static LIST_HEAD(tiq_list); static DEFINE_MUTEX(tiq_list_lock); /* Adapter interrupt definitions */ -static void tiqdio_thinint_handler(struct airq_struct *airq); +static void tiqdio_thinint_handler(struct airq_struct *airq, bool floating); static struct airq_struct tiqdio_airq = { .handler = tiqdio_thinint_handler, @@ -179,7 +179,7 @@ static inline void tiqdio_call_inq_handlers(struct qdio_irq *irq) * tiqdio_thinint_handler - thin interrupt handler for qdio * @airq: pointer to adapter interrupt descriptor */ -static void tiqdio_thinint_handler(struct airq_struct *airq) +static void tiqdio_thinint_handler(struct airq_struct *airq, bool floating) { u32 si_used = clear_shared_ind(); struct qdio_q *q; diff --git a/drivers/s390/cio/vfio_ccw_async.c b/drivers/s390/cio/vfio_ccw_async.c new file mode 100644 index 000000000000..8c1d2357ef5b --- /dev/null +++ b/drivers/s390/cio/vfio_ccw_async.c @@ -0,0 +1,88 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Async I/O region for vfio_ccw + * + * Copyright Red Hat, Inc. 2019 + * + * Author(s): Cornelia Huck <cohuck@redhat.com> + */ + +#include <linux/vfio.h> +#include <linux/mdev.h> + +#include "vfio_ccw_private.h" + +static ssize_t vfio_ccw_async_region_read(struct vfio_ccw_private *private, + char __user *buf, size_t count, + loff_t *ppos) +{ + unsigned int i = VFIO_CCW_OFFSET_TO_INDEX(*ppos) - VFIO_CCW_NUM_REGIONS; + loff_t pos = *ppos & VFIO_CCW_OFFSET_MASK; + struct ccw_cmd_region *region; + int ret; + + if (pos + count > sizeof(*region)) + return -EINVAL; + + mutex_lock(&private->io_mutex); + region = private->region[i].data; + if (copy_to_user(buf, (void *)region + pos, count)) + ret = -EFAULT; + else + ret = count; + mutex_unlock(&private->io_mutex); + return ret; +} + +static ssize_t vfio_ccw_async_region_write(struct vfio_ccw_private *private, + const char __user *buf, size_t count, + loff_t *ppos) +{ + unsigned int i = VFIO_CCW_OFFSET_TO_INDEX(*ppos) - VFIO_CCW_NUM_REGIONS; + loff_t pos = *ppos & VFIO_CCW_OFFSET_MASK; + struct ccw_cmd_region *region; + int ret; + + if (pos + count > sizeof(*region)) + return -EINVAL; + + if (!mutex_trylock(&private->io_mutex)) + return -EAGAIN; + + region = private->region[i].data; + if (copy_from_user((void *)region + pos, buf, count)) { + ret = -EFAULT; + goto out_unlock; + } + + vfio_ccw_fsm_event(private, VFIO_CCW_EVENT_ASYNC_REQ); + + ret = region->ret_code ? region->ret_code : count; + +out_unlock: + mutex_unlock(&private->io_mutex); + return ret; +} + +static void vfio_ccw_async_region_release(struct vfio_ccw_private *private, + struct vfio_ccw_region *region) +{ + +} + +const struct vfio_ccw_regops vfio_ccw_async_region_ops = { + .read = vfio_ccw_async_region_read, + .write = vfio_ccw_async_region_write, + .release = vfio_ccw_async_region_release, +}; + +int vfio_ccw_register_async_dev_regions(struct vfio_ccw_private *private) +{ + return vfio_ccw_register_dev_region(private, + VFIO_REGION_SUBTYPE_CCW_ASYNC_CMD, + &vfio_ccw_async_region_ops, + sizeof(struct ccw_cmd_region), + VFIO_REGION_INFO_FLAG_READ | + VFIO_REGION_INFO_FLAG_WRITE, + private->cmd_region); +} diff --git a/drivers/s390/cio/vfio_ccw_cp.c b/drivers/s390/cio/vfio_ccw_cp.c index 384b3987eeb4..0e79799e9a71 100644 --- a/drivers/s390/cio/vfio_ccw_cp.c +++ b/drivers/s390/cio/vfio_ccw_cp.c @@ -362,6 +362,7 @@ static void cp_unpin_free(struct channel_program *cp) struct ccwchain *chain, *temp; int i; + cp->initialized = false; list_for_each_entry_safe(chain, temp, &cp->ccwchain_list, next) { for (i = 0; i < chain->ch_len; i++) { pfn_array_table_unpin_free(chain->ch_pat + i, @@ -732,6 +733,9 @@ int cp_init(struct channel_program *cp, struct device *mdev, union orb *orb) */ cp->orb.cmd.c64 = 1; + if (!ret) + cp->initialized = true; + return ret; } @@ -746,7 +750,8 @@ int cp_init(struct channel_program *cp, struct device *mdev, union orb *orb) */ void cp_free(struct channel_program *cp) { - cp_unpin_free(cp); + if (cp->initialized) + cp_unpin_free(cp); } /** @@ -791,6 +796,10 @@ int cp_prefetch(struct channel_program *cp) struct ccwchain *chain; int len, idx, ret; + /* this is an error in the caller */ + if (!cp->initialized) + return -EINVAL; + list_for_each_entry(chain, &cp->ccwchain_list, next) { len = chain->ch_len; for (idx = 0; idx < len; idx++) { @@ -826,6 +835,10 @@ union orb *cp_get_orb(struct channel_program *cp, u32 intparm, u8 lpm) struct ccwchain *chain; struct ccw1 *cpa; + /* this is an error in the caller */ + if (!cp->initialized) + return NULL; + orb = &cp->orb; orb->cmd.intparm = intparm; @@ -862,6 +875,9 @@ void cp_update_scsw(struct channel_program *cp, union scsw *scsw) u32 cpa = scsw->cmd.cpa; u32 ccw_head; + if (!cp->initialized) + return; + /* * LATER: * For now, only update the cmd.cpa part. We may need to deal with @@ -898,6 +914,9 @@ bool cp_iova_pinned(struct channel_program *cp, u64 iova) struct ccwchain *chain; int i; + if (!cp->initialized) + return false; + list_for_each_entry(chain, &cp->ccwchain_list, next) { for (i = 0; i < chain->ch_len; i++) if (pfn_array_table_iova_pinned(chain->ch_pat + i, diff --git a/drivers/s390/cio/vfio_ccw_cp.h b/drivers/s390/cio/vfio_ccw_cp.h index a4b74fb1aa57..3c20cd208da5 100644 --- a/drivers/s390/cio/vfio_ccw_cp.h +++ b/drivers/s390/cio/vfio_ccw_cp.h @@ -21,6 +21,7 @@ * @ccwchain_list: list head of ccwchains * @orb: orb for the currently processed ssch request * @mdev: the mediated device to perform page pinning/unpinning + * @initialized: whether this instance is actually initialized * * @ccwchain_list is the head of a ccwchain list, that contents the * translated result of the guest channel program that pointed out by @@ -30,6 +31,7 @@ struct channel_program { struct list_head ccwchain_list; union orb orb; struct device *mdev; + bool initialized; }; extern int cp_init(struct channel_program *cp, struct device *mdev, diff --git a/drivers/s390/cio/vfio_ccw_drv.c b/drivers/s390/cio/vfio_ccw_drv.c index 0b3b9de45c60..ee8767f5845a 100644 --- a/drivers/s390/cio/vfio_ccw_drv.c +++ b/drivers/s390/cio/vfio_ccw_drv.c @@ -3,9 +3,11 @@ * VFIO based Physical Subchannel device driver * * Copyright IBM Corp. 2017 + * Copyright Red Hat, Inc. 2019 * * Author(s): Dong Jia Shi <bjsdjshi@linux.vnet.ibm.com> * Xiao Feng Ren <renxiaof@linux.vnet.ibm.com> + * Cornelia Huck <cohuck@redhat.com> */ #include <linux/module.h> @@ -23,6 +25,7 @@ struct workqueue_struct *vfio_ccw_work_q; static struct kmem_cache *vfio_ccw_io_region; +static struct kmem_cache *vfio_ccw_cmd_region; /* * Helpers @@ -40,26 +43,30 @@ int vfio_ccw_sch_quiesce(struct subchannel *sch) if (ret != -EBUSY) goto out_unlock; + iretry = 255; do { - iretry = 255; ret = cio_cancel_halt_clear(sch, &iretry); - while (ret == -EBUSY) { - /* - * Flush all I/O and wait for - * cancel/halt/clear completion. - */ - private->completion = &completion; - spin_unlock_irq(sch->lock); - wait_for_completion_timeout(&completion, 3*HZ); + if (ret == -EIO) { + pr_err("vfio_ccw: could not quiesce subchannel 0.%x.%04x!\n", + sch->schid.ssid, sch->schid.sch_no); + break; + } + + /* + * Flush all I/O and wait for + * cancel/halt/clear completion. + */ + private->completion = &completion; + spin_unlock_irq(sch->lock); - spin_lock_irq(sch->lock); - private->completion = NULL; - flush_workqueue(vfio_ccw_work_q); - ret = cio_cancel_halt_clear(sch, &iretry); - }; + if (ret == -EBUSY) + wait_for_completion_timeout(&completion, 3*HZ); + private->completion = NULL; + flush_workqueue(vfio_ccw_work_q); + spin_lock_irq(sch->lock); ret = cio_disable_subchannel(sch); } while (ret == -EBUSY); out_unlock: @@ -84,7 +91,9 @@ static void vfio_ccw_sch_io_todo(struct work_struct *work) if (is_final) cp_free(&private->cp); } + mutex_lock(&private->io_mutex); memcpy(private->io_region->irb_area, irb, sizeof(*irb)); + mutex_unlock(&private->io_mutex); if (private->io_trigger) eventfd_signal(private->io_trigger, 1); @@ -108,7 +117,7 @@ static int vfio_ccw_sch_probe(struct subchannel *sch) { struct pmcw *pmcw = &sch->schib.pmcw; struct vfio_ccw_private *private; - int ret; + int ret = -ENOMEM; if (pmcw->qf) { dev_warn(&sch->dev, "vfio: ccw: does not support QDIO: %s\n", @@ -122,13 +131,17 @@ static int vfio_ccw_sch_probe(struct subchannel *sch) private->io_region = kmem_cache_zalloc(vfio_ccw_io_region, GFP_KERNEL | GFP_DMA); - if (!private->io_region) { - kfree(private); - return -ENOMEM; - } + if (!private->io_region) + goto out_free; + + private->cmd_region = kmem_cache_zalloc(vfio_ccw_cmd_region, + GFP_KERNEL | GFP_DMA); + if (!private->cmd_region) + goto out_free; private->sch = sch; dev_set_drvdata(&sch->dev, private); + mutex_init(&private->io_mutex); spin_lock_irq(sch->lock); private->state = VFIO_CCW_STATE_NOT_OPER; @@ -152,7 +165,10 @@ out_disable: cio_disable_subchannel(sch); out_free: dev_set_drvdata(&sch->dev, NULL); - kmem_cache_free(vfio_ccw_io_region, private->io_region); + if (private->cmd_region) + kmem_cache_free(vfio_ccw_cmd_region, private->cmd_region); + if (private->io_region) + kmem_cache_free(vfio_ccw_io_region, private->io_region); kfree(private); return ret; } @@ -167,6 +183,7 @@ static int vfio_ccw_sch_remove(struct subchannel *sch) dev_set_drvdata(&sch->dev, NULL); + kmem_cache_free(vfio_ccw_cmd_region, private->cmd_region); kmem_cache_free(vfio_ccw_io_region, private->io_region); kfree(private); @@ -241,7 +258,7 @@ static struct css_driver vfio_ccw_sch_driver = { static int __init vfio_ccw_sch_init(void) { - int ret; + int ret = -ENOMEM; vfio_ccw_work_q = create_singlethread_workqueue("vfio-ccw"); if (!vfio_ccw_work_q) @@ -251,20 +268,30 @@ static int __init vfio_ccw_sch_init(void) sizeof(struct ccw_io_region), 0, SLAB_ACCOUNT, 0, sizeof(struct ccw_io_region), NULL); - if (!vfio_ccw_io_region) { - destroy_workqueue(vfio_ccw_work_q); - return -ENOMEM; - } + if (!vfio_ccw_io_region) + goto out_err; + + vfio_ccw_cmd_region = kmem_cache_create_usercopy("vfio_ccw_cmd_region", + sizeof(struct ccw_cmd_region), 0, + SLAB_ACCOUNT, 0, + sizeof(struct ccw_cmd_region), NULL); + if (!vfio_ccw_cmd_region) + goto out_err; isc_register(VFIO_CCW_ISC); ret = css_driver_register(&vfio_ccw_sch_driver); if (ret) { isc_unregister(VFIO_CCW_ISC); - kmem_cache_destroy(vfio_ccw_io_region); - destroy_workqueue(vfio_ccw_work_q); + goto out_err; } return ret; + +out_err: + kmem_cache_destroy(vfio_ccw_cmd_region); + kmem_cache_destroy(vfio_ccw_io_region); + destroy_workqueue(vfio_ccw_work_q); + return ret; } static void __exit vfio_ccw_sch_exit(void) diff --git a/drivers/s390/cio/vfio_ccw_fsm.c b/drivers/s390/cio/vfio_ccw_fsm.c index cab17865aafe..49d9d3da0282 100644 --- a/drivers/s390/cio/vfio_ccw_fsm.c +++ b/drivers/s390/cio/vfio_ccw_fsm.c @@ -3,8 +3,10 @@ * Finite state machine for vfio-ccw device handling * * Copyright IBM Corp. 2017 + * Copyright Red Hat, Inc. 2019 * * Author(s): Dong Jia Shi <bjsdjshi@linux.vnet.ibm.com> + * Cornelia Huck <cohuck@redhat.com> */ #include <linux/vfio.h> @@ -28,9 +30,12 @@ static int fsm_io_helper(struct vfio_ccw_private *private) sch = private->sch; spin_lock_irqsave(sch->lock, flags); - private->state = VFIO_CCW_STATE_BUSY; orb = cp_get_orb(&private->cp, (u32)(addr_t)sch, sch->lpm); + if (!orb) { + ret = -EIO; + goto out; + } /* Issue "Start Subchannel" */ ccode = ssch(sch->schid, orb); @@ -42,6 +47,7 @@ static int fsm_io_helper(struct vfio_ccw_private *private) */ sch->schib.scsw.cmd.actl |= SCSW_ACTL_START_PEND; ret = 0; + private->state = VFIO_CCW_STATE_CP_PENDING; break; case 1: /* Status pending */ case 2: /* Busy */ @@ -64,6 +70,76 @@ static int fsm_io_helper(struct vfio_ccw_private *private) default: ret = ccode; } +out: + spin_unlock_irqrestore(sch->lock, flags); + return ret; +} + +static int fsm_do_halt(struct vfio_ccw_private *private) +{ + struct subchannel *sch; + unsigned long flags; + int ccode; + int ret; + + sch = private->sch; + + spin_lock_irqsave(sch->lock, flags); + + /* Issue "Halt Subchannel" */ + ccode = hsch(sch->schid); + + switch (ccode) { + case 0: + /* + * Initialize device status information + */ + sch->schib.scsw.cmd.actl |= SCSW_ACTL_HALT_PEND; + ret = 0; + break; + case 1: /* Status pending */ + case 2: /* Busy */ + ret = -EBUSY; + break; + case 3: /* Device not operational */ + ret = -ENODEV; + break; + default: + ret = ccode; + } + spin_unlock_irqrestore(sch->lock, flags); + return ret; +} + +static int fsm_do_clear(struct vfio_ccw_private *private) +{ + struct subchannel *sch; + unsigned long flags; + int ccode; + int ret; + + sch = private->sch; + + spin_lock_irqsave(sch->lock, flags); + + /* Issue "Clear Subchannel" */ + ccode = csch(sch->schid); + + switch (ccode) { + case 0: + /* + * Initialize device status information + */ + sch->schib.scsw.cmd.actl = SCSW_ACTL_CLEAR_PEND; + /* TODO: check what else we might need to clear */ + ret = 0; + break; + case 3: /* Device not operational */ + ret = -ENODEV; + break; + default: + ret = ccode; + } spin_unlock_irqrestore(sch->lock, flags); return ret; } @@ -102,6 +178,30 @@ static void fsm_io_busy(struct vfio_ccw_private *private, private->io_region->ret_code = -EBUSY; } +static void fsm_io_retry(struct vfio_ccw_private *private, + enum vfio_ccw_event event) +{ + private->io_region->ret_code = -EAGAIN; +} + +static void fsm_async_error(struct vfio_ccw_private *private, + enum vfio_ccw_event event) +{ + struct ccw_cmd_region *cmd_region = private->cmd_region; + + pr_err("vfio-ccw: FSM: %s request from state:%d\n", + cmd_region->command == VFIO_CCW_ASYNC_CMD_HSCH ? "halt" : + cmd_region->command == VFIO_CCW_ASYNC_CMD_CSCH ? "clear" : + "<unknown>", private->state); + cmd_region->ret_code = -EIO; +} + +static void fsm_async_retry(struct vfio_ccw_private *private, + enum vfio_ccw_event event) +{ + private->cmd_region->ret_code = -EAGAIN; +} + static void fsm_disabled_irq(struct vfio_ccw_private *private, enum vfio_ccw_event event) { @@ -130,8 +230,7 @@ static void fsm_io_request(struct vfio_ccw_private *private, struct mdev_device *mdev = private->mdev; char *errstr = "request"; - private->state = VFIO_CCW_STATE_BUSY; - + private->state = VFIO_CCW_STATE_CP_PROCESSING; memcpy(scsw, io_region->scsw_area, sizeof(*scsw)); if (scsw->cmd.fctl & SCSW_FCTL_START_FUNC) { @@ -166,22 +265,42 @@ static void fsm_io_request(struct vfio_ccw_private *private, } return; } else if (scsw->cmd.fctl & SCSW_FCTL_HALT_FUNC) { - /* XXX: Handle halt. */ + /* halt is handled via the async cmd region */ io_region->ret_code = -EOPNOTSUPP; goto err_out; } else if (scsw->cmd.fctl & SCSW_FCTL_CLEAR_FUNC) { - /* XXX: Handle clear. */ + /* clear is handled via the async cmd region */ io_region->ret_code = -EOPNOTSUPP; goto err_out; } err_out: - private->state = VFIO_CCW_STATE_IDLE; trace_vfio_ccw_io_fctl(scsw->cmd.fctl, get_schid(private), io_region->ret_code, errstr); } /* + * Deal with an async request from userspace. + */ +static void fsm_async_request(struct vfio_ccw_private *private, + enum vfio_ccw_event event) +{ + struct ccw_cmd_region *cmd_region = private->cmd_region; + + switch (cmd_region->command) { + case VFIO_CCW_ASYNC_CMD_HSCH: + cmd_region->ret_code = fsm_do_halt(private); + break; + case VFIO_CCW_ASYNC_CMD_CSCH: + cmd_region->ret_code = fsm_do_clear(private); + break; + default: + /* should not happen? */ + cmd_region->ret_code = -EINVAL; + } +} + +/* * Got an interrupt for a normal io (state busy). */ static void fsm_irq(struct vfio_ccw_private *private, @@ -204,21 +323,31 @@ fsm_func_t *vfio_ccw_jumptable[NR_VFIO_CCW_STATES][NR_VFIO_CCW_EVENTS] = { [VFIO_CCW_STATE_NOT_OPER] = { [VFIO_CCW_EVENT_NOT_OPER] = fsm_nop, [VFIO_CCW_EVENT_IO_REQ] = fsm_io_error, + [VFIO_CCW_EVENT_ASYNC_REQ] = fsm_async_error, [VFIO_CCW_EVENT_INTERRUPT] = fsm_disabled_irq, }, [VFIO_CCW_STATE_STANDBY] = { [VFIO_CCW_EVENT_NOT_OPER] = fsm_notoper, [VFIO_CCW_EVENT_IO_REQ] = fsm_io_error, + [VFIO_CCW_EVENT_ASYNC_REQ] = fsm_async_error, [VFIO_CCW_EVENT_INTERRUPT] = fsm_irq, }, [VFIO_CCW_STATE_IDLE] = { [VFIO_CCW_EVENT_NOT_OPER] = fsm_notoper, [VFIO_CCW_EVENT_IO_REQ] = fsm_io_request, + [VFIO_CCW_EVENT_ASYNC_REQ] = fsm_async_request, + [VFIO_CCW_EVENT_INTERRUPT] = fsm_irq, + }, + [VFIO_CCW_STATE_CP_PROCESSING] = { + [VFIO_CCW_EVENT_NOT_OPER] = fsm_notoper, + [VFIO_CCW_EVENT_IO_REQ] = fsm_io_retry, + [VFIO_CCW_EVENT_ASYNC_REQ] = fsm_async_retry, [VFIO_CCW_EVENT_INTERRUPT] = fsm_irq, }, - [VFIO_CCW_STATE_BUSY] = { + [VFIO_CCW_STATE_CP_PENDING] = { [VFIO_CCW_EVENT_NOT_OPER] = fsm_notoper, [VFIO_CCW_EVENT_IO_REQ] = fsm_io_busy, + [VFIO_CCW_EVENT_ASYNC_REQ] = fsm_async_request, [VFIO_CCW_EVENT_INTERRUPT] = fsm_irq, }, }; diff --git a/drivers/s390/cio/vfio_ccw_ops.c b/drivers/s390/cio/vfio_ccw_ops.c index f673e106c041..5eb61116ca6f 100644 --- a/drivers/s390/cio/vfio_ccw_ops.c +++ b/drivers/s390/cio/vfio_ccw_ops.c @@ -3,13 +3,17 @@ * Physical device callbacks for vfio_ccw * * Copyright IBM Corp. 2017 + * Copyright Red Hat, Inc. 2019 * * Author(s): Dong Jia Shi <bjsdjshi@linux.vnet.ibm.com> * Xiao Feng Ren <renxiaof@linux.vnet.ibm.com> + * Cornelia Huck <cohuck@redhat.com> */ #include <linux/vfio.h> #include <linux/mdev.h> +#include <linux/nospec.h> +#include <linux/slab.h> #include "vfio_ccw_private.h" @@ -130,11 +134,12 @@ static int vfio_ccw_mdev_remove(struct mdev_device *mdev) if ((private->state != VFIO_CCW_STATE_NOT_OPER) && (private->state != VFIO_CCW_STATE_STANDBY)) { - if (!vfio_ccw_mdev_reset(mdev)) + if (!vfio_ccw_sch_quiesce(private->sch)) private->state = VFIO_CCW_STATE_STANDBY; /* The state will be NOT_OPER on error. */ } + cp_free(&private->cp); private->mdev = NULL; atomic_inc(&private->avail); @@ -146,20 +151,66 @@ static int vfio_ccw_mdev_open(struct mdev_device *mdev) struct vfio_ccw_private *private = dev_get_drvdata(mdev_parent_dev(mdev)); unsigned long events = VFIO_IOMMU_NOTIFY_DMA_UNMAP; + int ret; private->nb.notifier_call = vfio_ccw_mdev_notifier; - return vfio_register_notifier(mdev_dev(mdev), VFIO_IOMMU_NOTIFY, - &events, &private->nb); + ret = vfio_register_notifier(mdev_dev(mdev), VFIO_IOMMU_NOTIFY, + &events, &private->nb); + if (ret) + return ret; + + ret = vfio_ccw_register_async_dev_regions(private); + if (ret) + vfio_unregister_notifier(mdev_dev(mdev), VFIO_IOMMU_NOTIFY, + &private->nb); + return ret; } static void vfio_ccw_mdev_release(struct mdev_device *mdev) { struct vfio_ccw_private *private = dev_get_drvdata(mdev_parent_dev(mdev)); + int i; + if ((private->state != VFIO_CCW_STATE_NOT_OPER) && + (private->state != VFIO_CCW_STATE_STANDBY)) { + if (!vfio_ccw_mdev_reset(mdev)) + private->state = VFIO_CCW_STATE_STANDBY; + /* The state will be NOT_OPER on error. */ + } + + cp_free(&private->cp); vfio_unregister_notifier(mdev_dev(mdev), VFIO_IOMMU_NOTIFY, &private->nb); + + for (i = 0; i < private->num_regions; i++) + private->region[i].ops->release(private, &private->region[i]); + + private->num_regions = 0; + kfree(private->region); + private->region = NULL; +} + +static ssize_t vfio_ccw_mdev_read_io_region(struct vfio_ccw_private *private, + char __user *buf, size_t count, + loff_t *ppos) +{ + loff_t pos = *ppos & VFIO_CCW_OFFSET_MASK; + struct ccw_io_region *region; + int ret; + + if (pos + count > sizeof(*region)) + return -EINVAL; + + mutex_lock(&private->io_mutex); + region = private->io_region; + if (copy_to_user(buf, (void *)region + pos, count)) + ret = -EFAULT; + else + ret = count; + mutex_unlock(&private->io_mutex); + return ret; } static ssize_t vfio_ccw_mdev_read(struct mdev_device *mdev, @@ -167,18 +218,54 @@ static ssize_t vfio_ccw_mdev_read(struct mdev_device *mdev, size_t count, loff_t *ppos) { + unsigned int index = VFIO_CCW_OFFSET_TO_INDEX(*ppos); struct vfio_ccw_private *private; + + private = dev_get_drvdata(mdev_parent_dev(mdev)); + + if (index >= VFIO_CCW_NUM_REGIONS + private->num_regions) + return -EINVAL; + + switch (index) { + case VFIO_CCW_CONFIG_REGION_INDEX: + return vfio_ccw_mdev_read_io_region(private, buf, count, ppos); + default: + index -= VFIO_CCW_NUM_REGIONS; + return private->region[index].ops->read(private, buf, count, + ppos); + } + + return -EINVAL; +} + +static ssize_t vfio_ccw_mdev_write_io_region(struct vfio_ccw_private *private, + const char __user *buf, + size_t count, loff_t *ppos) +{ + loff_t pos = *ppos & VFIO_CCW_OFFSET_MASK; struct ccw_io_region *region; + int ret; - if (*ppos + count > sizeof(*region)) + if (pos + count > sizeof(*region)) return -EINVAL; - private = dev_get_drvdata(mdev_parent_dev(mdev)); + if (!mutex_trylock(&private->io_mutex)) + return -EAGAIN; + region = private->io_region; - if (copy_to_user(buf, (void *)region + *ppos, count)) - return -EFAULT; + if (copy_from_user((void *)region + pos, buf, count)) { + ret = -EFAULT; + goto out_unlock; + } - return count; + vfio_ccw_fsm_event(private, VFIO_CCW_EVENT_IO_REQ); + if (region->ret_code != 0) + private->state = VFIO_CCW_STATE_IDLE; + ret = (region->ret_code != 0) ? region->ret_code : count; + +out_unlock: + mutex_unlock(&private->io_mutex); + return ret; } static ssize_t vfio_ccw_mdev_write(struct mdev_device *mdev, @@ -186,42 +273,47 @@ static ssize_t vfio_ccw_mdev_write(struct mdev_device *mdev, size_t count, loff_t *ppos) { + unsigned int index = VFIO_CCW_OFFSET_TO_INDEX(*ppos); struct vfio_ccw_private *private; - struct ccw_io_region *region; - - if (*ppos + count > sizeof(*region)) - return -EINVAL; private = dev_get_drvdata(mdev_parent_dev(mdev)); - if (private->state != VFIO_CCW_STATE_IDLE) - return -EACCES; - region = private->io_region; - if (copy_from_user((void *)region + *ppos, buf, count)) - return -EFAULT; + if (index >= VFIO_CCW_NUM_REGIONS + private->num_regions) + return -EINVAL; - vfio_ccw_fsm_event(private, VFIO_CCW_EVENT_IO_REQ); - if (region->ret_code != 0) { - private->state = VFIO_CCW_STATE_IDLE; - return region->ret_code; + switch (index) { + case VFIO_CCW_CONFIG_REGION_INDEX: + return vfio_ccw_mdev_write_io_region(private, buf, count, ppos); + default: + index -= VFIO_CCW_NUM_REGIONS; + return private->region[index].ops->write(private, buf, count, + ppos); } - return count; + return -EINVAL; } -static int vfio_ccw_mdev_get_device_info(struct vfio_device_info *info) +static int vfio_ccw_mdev_get_device_info(struct vfio_device_info *info, + struct mdev_device *mdev) { + struct vfio_ccw_private *private; + + private = dev_get_drvdata(mdev_parent_dev(mdev)); info->flags = VFIO_DEVICE_FLAGS_CCW | VFIO_DEVICE_FLAGS_RESET; - info->num_regions = VFIO_CCW_NUM_REGIONS; + info->num_regions = VFIO_CCW_NUM_REGIONS + private->num_regions; info->num_irqs = VFIO_CCW_NUM_IRQS; return 0; } static int vfio_ccw_mdev_get_region_info(struct vfio_region_info *info, - u16 *cap_type_id, - void **cap_type) + struct mdev_device *mdev, + unsigned long arg) { + struct vfio_ccw_private *private; + int i; + + private = dev_get_drvdata(mdev_parent_dev(mdev)); switch (info->index) { case VFIO_CCW_CONFIG_REGION_INDEX: info->offset = 0; @@ -229,9 +321,55 @@ static int vfio_ccw_mdev_get_region_info(struct vfio_region_info *info, info->flags = VFIO_REGION_INFO_FLAG_READ | VFIO_REGION_INFO_FLAG_WRITE; return 0; - default: - return -EINVAL; + default: /* all other regions are handled via capability chain */ + { + struct vfio_info_cap caps = { .buf = NULL, .size = 0 }; + struct vfio_region_info_cap_type cap_type = { + .header.id = VFIO_REGION_INFO_CAP_TYPE, + .header.version = 1 }; + int ret; + + if (info->index >= + VFIO_CCW_NUM_REGIONS + private->num_regions) + return -EINVAL; + + info->index = array_index_nospec(info->index, + VFIO_CCW_NUM_REGIONS + + private->num_regions); + + i = info->index - VFIO_CCW_NUM_REGIONS; + + info->offset = VFIO_CCW_INDEX_TO_OFFSET(info->index); + info->size = private->region[i].size; + info->flags = private->region[i].flags; + + cap_type.type = private->region[i].type; + cap_type.subtype = private->region[i].subtype; + + ret = vfio_info_add_capability(&caps, &cap_type.header, + sizeof(cap_type)); + if (ret) + return ret; + + info->flags |= VFIO_REGION_INFO_FLAG_CAPS; + if (info->argsz < sizeof(*info) + caps.size) { + info->argsz = sizeof(*info) + caps.size; + info->cap_offset = 0; + } else { + vfio_info_cap_shift(&caps, sizeof(*info)); + if (copy_to_user((void __user *)arg + sizeof(*info), + caps.buf, caps.size)) { + kfree(caps.buf); + return -EFAULT; + } + info->cap_offset = sizeof(*info); + } + + kfree(caps.buf); + } + } + return 0; } static int vfio_ccw_mdev_get_irq_info(struct vfio_irq_info *info) @@ -308,6 +446,32 @@ static int vfio_ccw_mdev_set_irqs(struct mdev_device *mdev, } } +int vfio_ccw_register_dev_region(struct vfio_ccw_private *private, + unsigned int subtype, + const struct vfio_ccw_regops *ops, + size_t size, u32 flags, void *data) +{ + struct vfio_ccw_region *region; + + region = krealloc(private->region, + (private->num_regions + 1) * sizeof(*region), + GFP_KERNEL); + if (!region) + return -ENOMEM; + + private->region = region; + private->region[private->num_regions].type = VFIO_REGION_TYPE_CCW; + private->region[private->num_regions].subtype = subtype; + private->region[private->num_regions].ops = ops; + private->region[private->num_regions].size = size; + private->region[private->num_regions].flags = flags; + private->region[private->num_regions].data = data; + + private->num_regions++; + + return 0; +} + static ssize_t vfio_ccw_mdev_ioctl(struct mdev_device *mdev, unsigned int cmd, unsigned long arg) @@ -328,7 +492,7 @@ static ssize_t vfio_ccw_mdev_ioctl(struct mdev_device *mdev, if (info.argsz < minsz) return -EINVAL; - ret = vfio_ccw_mdev_get_device_info(&info); + ret = vfio_ccw_mdev_get_device_info(&info, mdev); if (ret) return ret; @@ -337,8 +501,6 @@ static ssize_t vfio_ccw_mdev_ioctl(struct mdev_device *mdev, case VFIO_DEVICE_GET_REGION_INFO: { struct vfio_region_info info; - u16 cap_type_id = 0; - void *cap_type = NULL; minsz = offsetofend(struct vfio_region_info, offset); @@ -348,8 +510,7 @@ static ssize_t vfio_ccw_mdev_ioctl(struct mdev_device *mdev, if (info.argsz < minsz) return -EINVAL; - ret = vfio_ccw_mdev_get_region_info(&info, &cap_type_id, - &cap_type); + ret = vfio_ccw_mdev_get_region_info(&info, mdev, arg); if (ret) return ret; diff --git a/drivers/s390/cio/vfio_ccw_private.h b/drivers/s390/cio/vfio_ccw_private.h index 08e9a7dc9176..f1092c3dc1b1 100644 --- a/drivers/s390/cio/vfio_ccw_private.h +++ b/drivers/s390/cio/vfio_ccw_private.h @@ -3,9 +3,11 @@ * Private stuff for vfio_ccw driver * * Copyright IBM Corp. 2017 + * Copyright Red Hat, Inc. 2019 * * Author(s): Dong Jia Shi <bjsdjshi@linux.vnet.ibm.com> * Xiao Feng Ren <renxiaof@linux.vnet.ibm.com> + * Cornelia Huck <cohuck@redhat.com> */ #ifndef _VFIO_CCW_PRIVATE_H_ @@ -19,6 +21,40 @@ #include "css.h" #include "vfio_ccw_cp.h" +#define VFIO_CCW_OFFSET_SHIFT 10 +#define VFIO_CCW_OFFSET_TO_INDEX(off) (off >> VFIO_CCW_OFFSET_SHIFT) +#define VFIO_CCW_INDEX_TO_OFFSET(index) ((u64)(index) << VFIO_CCW_OFFSET_SHIFT) +#define VFIO_CCW_OFFSET_MASK (((u64)(1) << VFIO_CCW_OFFSET_SHIFT) - 1) + +/* capability chain handling similar to vfio-pci */ +struct vfio_ccw_private; +struct vfio_ccw_region; + +struct vfio_ccw_regops { + ssize_t (*read)(struct vfio_ccw_private *private, char __user *buf, + size_t count, loff_t *ppos); + ssize_t (*write)(struct vfio_ccw_private *private, + const char __user *buf, size_t count, loff_t *ppos); + void (*release)(struct vfio_ccw_private *private, + struct vfio_ccw_region *region); +}; + +struct vfio_ccw_region { + u32 type; + u32 subtype; + const struct vfio_ccw_regops *ops; + void *data; + size_t size; + u32 flags; +}; + +int vfio_ccw_register_dev_region(struct vfio_ccw_private *private, + unsigned int subtype, + const struct vfio_ccw_regops *ops, + size_t size, u32 flags, void *data); + +int vfio_ccw_register_async_dev_regions(struct vfio_ccw_private *private); + /** * struct vfio_ccw_private * @sch: pointer to the subchannel @@ -28,6 +64,10 @@ * @mdev: pointer to the mediated device * @nb: notifier for vfio events * @io_region: MMIO region to input/output I/O arguments/results + * @io_mutex: protect against concurrent update of I/O regions + * @region: additional regions for other subchannel operations + * @cmd_region: MMIO region for asynchronous I/O commands other than START + * @num_regions: number of additional regions * @cp: channel program for the current I/O operation * @irb: irb info received from interrupt * @scsw: scsw info @@ -42,6 +82,10 @@ struct vfio_ccw_private { struct mdev_device *mdev; struct notifier_block nb; struct ccw_io_region *io_region; + struct mutex io_mutex; + struct vfio_ccw_region *region; + struct ccw_cmd_region *cmd_region; + int num_regions; struct channel_program cp; struct irb irb; @@ -63,7 +107,8 @@ enum vfio_ccw_state { VFIO_CCW_STATE_NOT_OPER, VFIO_CCW_STATE_STANDBY, VFIO_CCW_STATE_IDLE, - VFIO_CCW_STATE_BUSY, + VFIO_CCW_STATE_CP_PROCESSING, + VFIO_CCW_STATE_CP_PENDING, /* last element! */ NR_VFIO_CCW_STATES }; @@ -75,6 +120,7 @@ enum vfio_ccw_event { VFIO_CCW_EVENT_NOT_OPER, VFIO_CCW_EVENT_IO_REQ, VFIO_CCW_EVENT_INTERRUPT, + VFIO_CCW_EVENT_ASYNC_REQ, /* last element! */ NR_VFIO_CCW_EVENTS }; diff --git a/drivers/s390/crypto/ap_bus.c b/drivers/s390/crypto/ap_bus.c index 1546389d71db..cc30e4f07fff 100644 --- a/drivers/s390/crypto/ap_bus.c +++ b/drivers/s390/crypto/ap_bus.c @@ -116,7 +116,7 @@ static int user_set_domain; static struct bus_type ap_bus_type; /* Adapter interrupt definitions */ -static void ap_interrupt_handler(struct airq_struct *airq); +static void ap_interrupt_handler(struct airq_struct *airq, bool floating); static int ap_airq_flag; @@ -393,7 +393,7 @@ static enum hrtimer_restart ap_poll_timeout(struct hrtimer *unused) * ap_interrupt_handler() - Schedule ap_tasklet on interrupt * @airq: pointer to adapter interrupt descriptor */ -static void ap_interrupt_handler(struct airq_struct *airq) +static void ap_interrupt_handler(struct airq_struct *airq, bool floating) { inc_irq_stat(IRQIO_APB); if (!ap_suspend_flag) diff --git a/drivers/s390/crypto/ap_queue.c b/drivers/s390/crypto/ap_queue.c index 6a340f2c3556..5ea83dc4f1d7 100644 --- a/drivers/s390/crypto/ap_queue.c +++ b/drivers/s390/crypto/ap_queue.c @@ -751,8 +751,8 @@ void ap_queue_prepare_remove(struct ap_queue *aq) __ap_flush_queue(aq); /* set REMOVE state to prevent new messages are queued in */ aq->state = AP_STATE_REMOVE; - del_timer_sync(&aq->timeout); spin_unlock_bh(&aq->lock); + del_timer_sync(&aq->timeout); } void ap_queue_remove(struct ap_queue *aq) diff --git a/drivers/s390/crypto/pkey_api.c b/drivers/s390/crypto/pkey_api.c index 3e85d665c572..45eb0c14b880 100644 --- a/drivers/s390/crypto/pkey_api.c +++ b/drivers/s390/crypto/pkey_api.c @@ -51,7 +51,8 @@ static debug_info_t *debug_info; static void __init pkey_debug_init(void) { - debug_info = debug_register("pkey", 1, 1, 4 * sizeof(long)); + /* 5 arguments per dbf entry (including the format string ptr) */ + debug_info = debug_register("pkey", 1, 1, 5 * sizeof(long)); debug_register_view(debug_info, &debug_sprintf_view); debug_set_level(debug_info, 3); } diff --git a/drivers/s390/crypto/zcrypt_api.c b/drivers/s390/crypto/zcrypt_api.c index 689c2af7026a..c31b2d31cd83 100644 --- a/drivers/s390/crypto/zcrypt_api.c +++ b/drivers/s390/crypto/zcrypt_api.c @@ -659,6 +659,7 @@ static long zcrypt_rsa_modexpo(struct ap_perms *perms, trace_s390_zcrypt_req(mex, TP_ICARSAMODEXPO); if (mex->outputdatalength < mex->inputdatalength) { + func_code = 0; rc = -EINVAL; goto out; } @@ -742,6 +743,7 @@ static long zcrypt_rsa_crt(struct ap_perms *perms, trace_s390_zcrypt_req(crt, TP_ICARSACRT); if (crt->outputdatalength < crt->inputdatalength) { + func_code = 0; rc = -EINVAL; goto out; } @@ -951,6 +953,7 @@ static long zcrypt_send_ep11_cprb(struct ap_perms *perms, targets = kcalloc(target_num, sizeof(*targets), GFP_KERNEL); if (!targets) { + func_code = 0; rc = -ENOMEM; goto out; } @@ -958,6 +961,7 @@ static long zcrypt_send_ep11_cprb(struct ap_perms *perms, uptr = (struct ep11_target_dev __force __user *) xcrb->targets; if (copy_from_user(targets, uptr, target_num * sizeof(*targets))) { + func_code = 0; rc = -EFAULT; goto out_free; } diff --git a/drivers/s390/net/ctcm_main.c b/drivers/s390/net/ctcm_main.c index 7617d21cb296..f63c5c871d3d 100644 --- a/drivers/s390/net/ctcm_main.c +++ b/drivers/s390/net/ctcm_main.c @@ -1595,6 +1595,7 @@ static int ctcm_new_device(struct ccwgroup_device *cgdev) if (priv->channel[direction] == NULL) { if (direction == CTCM_WRITE) channel_free(priv->channel[CTCM_READ]); + result = -ENODEV; goto out_dev; } priv->channel[direction]->netdev = dev; diff --git a/drivers/s390/net/ism.h b/drivers/s390/net/ism.h index 0aab90817326..66eac2b9704d 100644 --- a/drivers/s390/net/ism.h +++ b/drivers/s390/net/ism.h @@ -6,6 +6,7 @@ #include <linux/types.h> #include <linux/pci.h> #include <net/smc.h> +#include <asm/pci_insn.h> #define UTIL_STR_LEN 16 @@ -194,8 +195,6 @@ struct ism_dev { struct pci_dev *pdev; struct smcd_dev *smcd; - void __iomem *ctl; - struct ism_sba *sba; dma_addr_t sba_dma_addr; DECLARE_BITMAP(sba_bitmap, ISM_NR_DMBS); @@ -209,13 +208,37 @@ struct ism_dev { #define ISM_CREATE_REQ(dmb, idx, sf, offset) \ ((dmb) | (idx) << 24 | (sf) << 23 | (offset)) +static inline void __ism_read_cmd(struct ism_dev *ism, void *data, + unsigned long offset, unsigned long len) +{ + struct zpci_dev *zdev = to_zpci(ism->pdev); + u64 req = ZPCI_CREATE_REQ(zdev->fh, 2, 8); + + while (len > 0) { + __zpci_load(data, req, offset); + offset += 8; + data += 8; + len -= 8; + } +} + +static inline void __ism_write_cmd(struct ism_dev *ism, void *data, + unsigned long offset, unsigned long len) +{ + struct zpci_dev *zdev = to_zpci(ism->pdev); + u64 req = ZPCI_CREATE_REQ(zdev->fh, 2, len); + + if (len) + __zpci_store_block(data, req, offset); +} + static inline int __ism_move(struct ism_dev *ism, u64 dmb_req, void *data, unsigned int size) { struct zpci_dev *zdev = to_zpci(ism->pdev); u64 req = ZPCI_CREATE_REQ(zdev->fh, 0, size); - return zpci_write_block(req, data, dmb_req); + return __zpci_store_block(data, req, dmb_req); } #endif /* S390_ISM_H */ diff --git a/drivers/s390/net/ism_drv.c b/drivers/s390/net/ism_drv.c index 3e132592c1fe..4fc2056bd227 100644 --- a/drivers/s390/net/ism_drv.c +++ b/drivers/s390/net/ism_drv.c @@ -38,19 +38,18 @@ static int ism_cmd(struct ism_dev *ism, void *cmd) struct ism_req_hdr *req = cmd; struct ism_resp_hdr *resp = cmd; - memcpy_toio(ism->ctl + sizeof(*req), req + 1, req->len - sizeof(*req)); - memcpy_toio(ism->ctl, req, sizeof(*req)); + __ism_write_cmd(ism, req + 1, sizeof(*req), req->len - sizeof(*req)); + __ism_write_cmd(ism, req, 0, sizeof(*req)); WRITE_ONCE(resp->ret, ISM_ERROR); - memcpy_fromio(resp, ism->ctl, sizeof(*resp)); + __ism_read_cmd(ism, resp, 0, sizeof(*resp)); if (resp->ret) { debug_text_event(ism_debug_info, 0, "cmd failure"); debug_event(ism_debug_info, 0, resp, sizeof(*resp)); goto out; } - memcpy_fromio(resp + 1, ism->ctl + sizeof(*resp), - resp->len - sizeof(*resp)); + __ism_read_cmd(ism, resp + 1, sizeof(*resp), resp->len - sizeof(*resp)); out: return resp->ret; } @@ -512,13 +511,9 @@ static int ism_probe(struct pci_dev *pdev, const struct pci_device_id *id) if (ret) goto err_disable; - ism->ctl = pci_iomap(pdev, 2, 0); - if (!ism->ctl) - goto err_resource; - ret = pci_set_dma_mask(pdev, DMA_BIT_MASK(64)); if (ret) - goto err_unmap; + goto err_resource; dma_set_seg_boundary(&pdev->dev, SZ_1M - 1); dma_set_max_seg_size(&pdev->dev, SZ_1M); @@ -527,7 +522,7 @@ static int ism_probe(struct pci_dev *pdev, const struct pci_device_id *id) ism->smcd = smcd_alloc_dev(&pdev->dev, dev_name(&pdev->dev), &ism_ops, ISM_NR_DMBS); if (!ism->smcd) - goto err_unmap; + goto err_resource; ism->smcd->priv = ism; ret = ism_dev_init(ism); @@ -538,8 +533,6 @@ static int ism_probe(struct pci_dev *pdev, const struct pci_device_id *id) err_free: smcd_free_dev(ism->smcd); -err_unmap: - pci_iounmap(pdev, ism->ctl); err_resource: pci_release_mem_regions(pdev); err_disable: @@ -568,7 +561,6 @@ static void ism_remove(struct pci_dev *pdev) ism_dev_exit(ism); smcd_free_dev(ism->smcd); - pci_iounmap(pdev, ism->ctl); pci_release_mem_regions(pdev); pci_disable_device(pdev); dev_set_drvdata(&pdev->dev, NULL); diff --git a/drivers/s390/virtio/virtio_ccw.c b/drivers/s390/virtio/virtio_ccw.c index 74c328321889..991420caa4f2 100644 --- a/drivers/s390/virtio/virtio_ccw.c +++ b/drivers/s390/virtio/virtio_ccw.c @@ -182,7 +182,7 @@ static void drop_airq_indicator(struct virtqueue *vq, struct airq_info *info) write_unlock_irqrestore(&info->lock, flags); } -static void virtio_airq_handler(struct airq_struct *airq) +static void virtio_airq_handler(struct airq_struct *airq, bool floating) { struct airq_info *info = container_of(airq, struct airq_info, airq); unsigned long ai; diff --git a/drivers/scsi/aic7xxx/aic7770_osm.c b/drivers/scsi/aic7xxx/aic7770_osm.c index 3d401d02c019..bdd177e3d762 100644 --- a/drivers/scsi/aic7xxx/aic7770_osm.c +++ b/drivers/scsi/aic7xxx/aic7770_osm.c @@ -91,6 +91,7 @@ aic7770_probe(struct device *dev) ahc = ahc_alloc(&aic7xxx_driver_template, name); if (ahc == NULL) return (ENOMEM); + ahc->dev = dev; error = aic7770_config(ahc, aic7770_ident_table + edev->id.driver_data, eisaBase); if (error != 0) { diff --git a/drivers/scsi/aic7xxx/aic7xxx.h b/drivers/scsi/aic7xxx/aic7xxx.h index 5614921b4041..88b90f9806c9 100644 --- a/drivers/scsi/aic7xxx/aic7xxx.h +++ b/drivers/scsi/aic7xxx/aic7xxx.h @@ -943,6 +943,7 @@ struct ahc_softc { * Platform specific device information. */ ahc_dev_softc_t dev_softc; + struct device *dev; /* * Bus specific device information. diff --git a/drivers/scsi/aic7xxx/aic7xxx_osm.c b/drivers/scsi/aic7xxx/aic7xxx_osm.c index 3c9c17450bb3..d5c4a0d23706 100644 --- a/drivers/scsi/aic7xxx/aic7xxx_osm.c +++ b/drivers/scsi/aic7xxx/aic7xxx_osm.c @@ -860,8 +860,8 @@ int ahc_dmamem_alloc(struct ahc_softc *ahc, bus_dma_tag_t dmat, void** vaddr, int flags, bus_dmamap_t *mapp) { - *vaddr = pci_alloc_consistent(ahc->dev_softc, - dmat->maxsize, mapp); + /* XXX: check if we really need the GFP_ATOMIC and unwind this mess! */ + *vaddr = dma_alloc_coherent(ahc->dev, dmat->maxsize, mapp, GFP_ATOMIC); if (*vaddr == NULL) return ENOMEM; return 0; @@ -871,8 +871,7 @@ void ahc_dmamem_free(struct ahc_softc *ahc, bus_dma_tag_t dmat, void* vaddr, bus_dmamap_t map) { - pci_free_consistent(ahc->dev_softc, dmat->maxsize, - vaddr, map); + dma_free_coherent(ahc->dev, dmat->maxsize, vaddr, map); } int @@ -1123,8 +1122,7 @@ ahc_linux_register_host(struct ahc_softc *ahc, struct scsi_host_template *templa host->transportt = ahc_linux_transport_template; - retval = scsi_add_host(host, - (ahc->dev_softc ? &ahc->dev_softc->dev : NULL)); + retval = scsi_add_host(host, ahc->dev); if (retval) { printk(KERN_WARNING "aic7xxx: scsi_add_host failed\n"); scsi_host_put(host); diff --git a/drivers/scsi/aic7xxx/aic7xxx_osm_pci.c b/drivers/scsi/aic7xxx/aic7xxx_osm_pci.c index 0fc14dac7070..717d8d1082ce 100644 --- a/drivers/scsi/aic7xxx/aic7xxx_osm_pci.c +++ b/drivers/scsi/aic7xxx/aic7xxx_osm_pci.c @@ -250,6 +250,7 @@ ahc_linux_pci_dev_probe(struct pci_dev *pdev, const struct pci_device_id *ent) } } ahc->dev_softc = pci; + ahc->dev = &pci->dev; error = ahc_pci_config(ahc, entry); if (error != 0) { ahc_free(ahc); diff --git a/drivers/scsi/bfa/bfa.h b/drivers/scsi/bfa/bfa.h index 0e119d838e1b..762cb77253b9 100644 --- a/drivers/scsi/bfa/bfa.h +++ b/drivers/scsi/bfa/bfa.h @@ -62,8 +62,7 @@ void bfa_isr_unhandled(struct bfa_s *bfa, struct bfi_msg_s *m); ((__bfa)->iocfc.cfg.drvcfg.num_reqq_elems - 1); \ writel((__bfa)->iocfc.req_cq_pi[__reqq], \ (__bfa)->iocfc.bfa_regs.cpe_q_pi[__reqq]); \ - mmiowb(); \ - } while (0) + } while (0) #define bfa_rspq_pi(__bfa, __rspq) \ (*(u32 *)((__bfa)->iocfc.rsp_cq_shadow_pi[__rspq].kva)) diff --git a/drivers/scsi/bfa/bfa_hw_cb.c b/drivers/scsi/bfa/bfa_hw_cb.c index c4a0c0eb88a5..4a0d881b2602 100644 --- a/drivers/scsi/bfa/bfa_hw_cb.c +++ b/drivers/scsi/bfa/bfa_hw_cb.c @@ -61,7 +61,6 @@ bfa_hwcb_rspq_ack_msix(struct bfa_s *bfa, int rspq, u32 ci) bfa_rspq_ci(bfa, rspq) = ci; writel(ci, bfa->iocfc.bfa_regs.rme_q_ci[rspq]); - mmiowb(); } void @@ -72,7 +71,6 @@ bfa_hwcb_rspq_ack(struct bfa_s *bfa, int rspq, u32 ci) bfa_rspq_ci(bfa, rspq) = ci; writel(ci, bfa->iocfc.bfa_regs.rme_q_ci[rspq]); - mmiowb(); } void diff --git a/drivers/scsi/bfa/bfa_hw_ct.c b/drivers/scsi/bfa/bfa_hw_ct.c index b0ff378dece2..b7be5f4f02a5 100644 --- a/drivers/scsi/bfa/bfa_hw_ct.c +++ b/drivers/scsi/bfa/bfa_hw_ct.c @@ -81,7 +81,6 @@ bfa_hwct_rspq_ack(struct bfa_s *bfa, int rspq, u32 ci) bfa_rspq_ci(bfa, rspq) = ci; writel(ci, bfa->iocfc.bfa_regs.rme_q_ci[rspq]); - mmiowb(); } /* @@ -94,7 +93,6 @@ bfa_hwct2_rspq_ack(struct bfa_s *bfa, int rspq, u32 ci) { bfa_rspq_ci(bfa, rspq) = ci; writel(ci, bfa->iocfc.bfa_regs.rme_q_ci[rspq]); - mmiowb(); } void diff --git a/drivers/scsi/bnx2fc/bnx2fc_hwi.c b/drivers/scsi/bnx2fc/bnx2fc_hwi.c index 039328d9ef13..19734ec7f42e 100644 --- a/drivers/scsi/bnx2fc/bnx2fc_hwi.c +++ b/drivers/scsi/bnx2fc/bnx2fc_hwi.c @@ -991,7 +991,6 @@ void bnx2fc_arm_cq(struct bnx2fc_rport *tgt) FCOE_CQE_TOGGLE_BIT_SHIFT); msg = *((u32 *)rx_db); writel(cpu_to_le32(msg), tgt->ctx_base); - mmiowb(); } @@ -1409,7 +1408,6 @@ void bnx2fc_ring_doorbell(struct bnx2fc_rport *tgt) (tgt->sq_curr_toggle_bit << 15); msg = *((u32 *)sq_db); writel(cpu_to_le32(msg), tgt->ctx_base); - mmiowb(); } diff --git a/drivers/scsi/bnx2i/bnx2i_hwi.c b/drivers/scsi/bnx2i/bnx2i_hwi.c index fae6f71e677d..12666313b937 100644 --- a/drivers/scsi/bnx2i/bnx2i_hwi.c +++ b/drivers/scsi/bnx2i/bnx2i_hwi.c @@ -253,7 +253,6 @@ void bnx2i_put_rq_buf(struct bnx2i_conn *bnx2i_conn, int count) writew(ep->qp.rq_prod_idx, ep->qp.ctx_base + CNIC_RECV_DOORBELL); } - mmiowb(); } @@ -279,8 +278,6 @@ static void bnx2i_ring_sq_dbell(struct bnx2i_conn *bnx2i_conn, int count) bnx2i_ring_577xx_doorbell(bnx2i_conn); } else writew(count, ep->qp.ctx_base + CNIC_SEND_DOORBELL); - - mmiowb(); /* flush posted PCI writes */ } diff --git a/drivers/scsi/csiostor/csio_scsi.c b/drivers/scsi/csiostor/csio_scsi.c index 462560b2855e..469d0bc9f5fe 100644 --- a/drivers/scsi/csiostor/csio_scsi.c +++ b/drivers/scsi/csiostor/csio_scsi.c @@ -1713,8 +1713,11 @@ csio_scsi_err_handler(struct csio_hw *hw, struct csio_ioreq *req) } out: - if (req->nsge > 0) + if (req->nsge > 0) { scsi_dma_unmap(cmnd); + if (req->dcopy && (host_status == DID_OK)) + host_status = csio_scsi_copy_to_sgl(hw, req); + } cmnd->result = (((host_status) << 16) | scsi_status); cmnd->scsi_done(cmnd); diff --git a/drivers/scsi/libfc/fc_rport.c b/drivers/scsi/libfc/fc_rport.c index dfba4921b265..5bf61431434b 100644 --- a/drivers/scsi/libfc/fc_rport.c +++ b/drivers/scsi/libfc/fc_rport.c @@ -2162,7 +2162,6 @@ static void fc_rport_recv_logo_req(struct fc_lport *lport, struct fc_frame *fp) FC_RPORT_DBG(rdata, "Received LOGO request while in state %s\n", fc_rport_state(rdata)); - rdata->flags &= ~FC_RP_STARTED; fc_rport_enter_delete(rdata, RPORT_EV_STOP); mutex_unlock(&rdata->rp_mutex); kref_put(&rdata->kref, fc_rport_destroy); diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c index c98f264f1d83..a497b2c0cb79 100644 --- a/drivers/scsi/lpfc/lpfc_scsi.c +++ b/drivers/scsi/lpfc/lpfc_scsi.c @@ -3878,10 +3878,9 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn, * wake up the thread. */ spin_lock(&lpfc_cmd->buf_lock); - if (unlikely(lpfc_cmd->cur_iocbq.iocb_flag & LPFC_DRIVER_ABORTED)) { - lpfc_cmd->cur_iocbq.iocb_flag &= ~LPFC_DRIVER_ABORTED; - if (lpfc_cmd->waitq) - wake_up(lpfc_cmd->waitq); + lpfc_cmd->cur_iocbq.iocb_flag &= ~LPFC_DRIVER_ABORTED; + if (lpfc_cmd->waitq) { + wake_up(lpfc_cmd->waitq); lpfc_cmd->waitq = NULL; } spin_unlock(&lpfc_cmd->buf_lock); diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c b/drivers/scsi/megaraid/megaraid_sas_base.c index 293f5cf524d7..59a6546fd602 100644 --- a/drivers/scsi/megaraid/megaraid_sas_base.c +++ b/drivers/scsi/megaraid/megaraid_sas_base.c @@ -815,7 +815,6 @@ megasas_fire_cmd_skinny(struct megasas_instance *instance, &(regs)->inbound_high_queue_port); writel((lower_32_bits(frame_phys_addr) | (frame_count<<1))|1, &(regs)->inbound_low_queue_port); - mmiowb(); spin_unlock_irqrestore(&instance->hba_lock, flags); } diff --git a/drivers/scsi/megaraid/megaraid_sas_fusion.c b/drivers/scsi/megaraid/megaraid_sas_fusion.c index 1d17128030cd..e35c2b64c145 100644 --- a/drivers/scsi/megaraid/megaraid_sas_fusion.c +++ b/drivers/scsi/megaraid/megaraid_sas_fusion.c @@ -242,7 +242,6 @@ megasas_fire_cmd_fusion(struct megasas_instance *instance, &instance->reg_set->inbound_low_queue_port); writel(le32_to_cpu(req_desc->u.high), &instance->reg_set->inbound_high_queue_port); - mmiowb(); spin_unlock_irqrestore(&instance->hba_lock, flags); #endif } diff --git a/drivers/scsi/mpt3sas/mpt3sas_base.c b/drivers/scsi/mpt3sas/mpt3sas_base.c index 1d8c584ec1e9..f60b9e0a6ca6 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_base.c +++ b/drivers/scsi/mpt3sas/mpt3sas_base.c @@ -3333,7 +3333,6 @@ _base_mpi_ep_writeq(__u64 b, volatile void __iomem *addr, spin_lock_irqsave(writeq_lock, flags); __raw_writel((u32)(b), addr); __raw_writel((u32)(b >> 32), (addr + 4)); - mmiowb(); spin_unlock_irqrestore(writeq_lock, flags); } diff --git a/drivers/scsi/qedf/qedf_io.c b/drivers/scsi/qedf/qedf_io.c index 6ca583bdde23..53e8221f6816 100644 --- a/drivers/scsi/qedf/qedf_io.c +++ b/drivers/scsi/qedf/qedf_io.c @@ -807,7 +807,6 @@ void qedf_ring_doorbell(struct qedf_rport *fcport) writel(*(u32 *)&dbell, fcport->p_doorbell); /* Make sure SQ index is updated so f/w prcesses requests in order */ wmb(); - mmiowb(); } static void qedf_trace_io(struct qedf_rport *fcport, struct qedf_ioreq *io_req, diff --git a/drivers/scsi/qedi/qedi_fw.c b/drivers/scsi/qedi/qedi_fw.c index e2a995a6e8e7..f8f86774f77f 100644 --- a/drivers/scsi/qedi/qedi_fw.c +++ b/drivers/scsi/qedi/qedi_fw.c @@ -985,7 +985,6 @@ static void qedi_ring_doorbell(struct qedi_conn *qedi_conn) * others they are two different assembly operations. */ wmb(); - mmiowb(); QEDI_INFO(&qedi_conn->qedi->dbg_ctx, QEDI_LOG_MP_REQ, "prod_idx=0x%x, fw_prod_idx=0x%x, cid=0x%x\n", qedi_conn->ep->sq_prod_idx, qedi_conn->ep->fw_sq_prod_idx, diff --git a/drivers/scsi/qedi/qedi_main.c b/drivers/scsi/qedi/qedi_main.c index e74a62448ba4..e5db9a9954dc 100644 --- a/drivers/scsi/qedi/qedi_main.c +++ b/drivers/scsi/qedi/qedi_main.c @@ -1392,10 +1392,8 @@ static void qedi_free_nvm_iscsi_cfg(struct qedi_ctx *qedi) static int qedi_alloc_nvm_iscsi_cfg(struct qedi_ctx *qedi) { - struct qedi_nvm_iscsi_image nvm_image; - qedi->iscsi_image = dma_alloc_coherent(&qedi->pdev->dev, - sizeof(nvm_image), + sizeof(struct qedi_nvm_iscsi_image), &qedi->nvm_buf_dma, GFP_KERNEL); if (!qedi->iscsi_image) { QEDI_ERR(&qedi->dbg_ctx, "Could not allocate NVM BUF.\n"); @@ -2236,14 +2234,13 @@ static void qedi_boot_release(void *data) static int qedi_get_boot_info(struct qedi_ctx *qedi) { int ret = 1; - struct qedi_nvm_iscsi_image nvm_image; QEDI_INFO(&qedi->dbg_ctx, QEDI_LOG_INFO, "Get NVM iSCSI CFG image\n"); ret = qedi_ops->common->nvm_get_image(qedi->cdev, QED_NVM_IMAGE_ISCSI_CFG, (char *)qedi->iscsi_image, - sizeof(nvm_image)); + sizeof(struct qedi_nvm_iscsi_image)); if (ret) QEDI_ERR(&qedi->dbg_ctx, "Could not get NVM image. ret = %d\n", ret); diff --git a/drivers/scsi/qla1280.c b/drivers/scsi/qla1280.c index 6856dfdfa473..327eff67a1ee 100644 --- a/drivers/scsi/qla1280.c +++ b/drivers/scsi/qla1280.c @@ -3004,8 +3004,6 @@ qla1280_64bit_start_scsi(struct scsi_qla_host *ha, struct srb * sp) sp->flags |= SRB_SENT; ha->actthreads++; WRT_REG_WORD(®->mailbox4, ha->req_ring_index); - /* Enforce mmio write ordering; see comment in qla1280_isp_cmd(). */ - mmiowb(); out: if (status) @@ -3254,8 +3252,6 @@ qla1280_32bit_start_scsi(struct scsi_qla_host *ha, struct srb * sp) sp->flags |= SRB_SENT; ha->actthreads++; WRT_REG_WORD(®->mailbox4, ha->req_ring_index); - /* Enforce mmio write ordering; see comment in qla1280_isp_cmd(). */ - mmiowb(); out: if (status) @@ -3367,19 +3363,8 @@ qla1280_isp_cmd(struct scsi_qla_host *ha) /* * Update request index to mailbox4 (Request Queue In). - * The mmiowb() ensures that this write is ordered with writes by other - * CPUs. Without the mmiowb(), it is possible for the following: - * CPUA posts write of index 5 to mailbox4 - * CPUA releases host lock - * CPUB acquires host lock - * CPUB posts write of index 6 to mailbox4 - * On PCI bus, order reverses and write of 6 posts, then index 5, - * causing chip to issue full queue of stale commands - * The mmiowb() prevents future writes from crossing the barrier. - * See Documentation/driver-api/device-io.rst for more information. */ WRT_REG_WORD(®->mailbox4, ha->req_ring_index); - mmiowb(); LEAVE("qla1280_isp_cmd"); } diff --git a/drivers/scsi/scsi_devinfo.c b/drivers/scsi/scsi_devinfo.c index c4cbfd07b916..a08ff3bd6310 100644 --- a/drivers/scsi/scsi_devinfo.c +++ b/drivers/scsi/scsi_devinfo.c @@ -238,6 +238,7 @@ static struct { {"NETAPP", "Universal Xport", "*", BLIST_NO_ULD_ATTACH}, {"LSI", "Universal Xport", "*", BLIST_NO_ULD_ATTACH}, {"ENGENIO", "Universal Xport", "*", BLIST_NO_ULD_ATTACH}, + {"LENOVO", "Universal Xport", "*", BLIST_NO_ULD_ATTACH}, {"SMSC", "USB 2 HS-CF", NULL, BLIST_SPARSELUN | BLIST_INQUIRY_36}, {"SONY", "CD-ROM CDU-8001", NULL, BLIST_BORKEN}, {"SONY", "TSL", NULL, BLIST_FORCELUN}, /* DDS3 & DDS4 autoloaders */ diff --git a/drivers/scsi/scsi_dh.c b/drivers/scsi/scsi_dh.c index 5a58cbf3a75d..c14006ac98f9 100644 --- a/drivers/scsi/scsi_dh.c +++ b/drivers/scsi/scsi_dh.c @@ -75,6 +75,7 @@ static const struct scsi_dh_blist scsi_dh_blist[] = { {"NETAPP", "INF-01-00", "rdac", }, {"LSI", "INF-01-00", "rdac", }, {"ENGENIO", "INF-01-00", "rdac", }, + {"LENOVO", "DE_Series", "rdac", }, {NULL, NULL, NULL }, }; diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c index 601b9f1de267..07dfc17d4824 100644 --- a/drivers/scsi/scsi_lib.c +++ b/drivers/scsi/scsi_lib.c @@ -1706,8 +1706,12 @@ out_put_budget: ret = BLK_STS_DEV_RESOURCE; break; default: + if (unlikely(!scsi_device_online(sdev))) + scsi_req(req)->result = DID_NO_CONNECT << 16; + else + scsi_req(req)->result = DID_ERROR << 16; /* - * Make sure to release all allocated ressources when + * Make sure to release all allocated resources when * we hit an error, as we will never see this command * again. */ diff --git a/drivers/scsi/storvsc_drv.c b/drivers/scsi/storvsc_drv.c index 84380bae20f1..8472de1007ff 100644 --- a/drivers/scsi/storvsc_drv.c +++ b/drivers/scsi/storvsc_drv.c @@ -385,7 +385,7 @@ enum storvsc_request_type { * This is the end of Protocol specific defines. */ -static int storvsc_ringbuffer_size = (256 * PAGE_SIZE); +static int storvsc_ringbuffer_size = (128 * 1024); static u32 max_outstanding_req_per_channel; static int storvsc_vcpus_per_sub_channel = 4; @@ -668,13 +668,22 @@ static void handle_multichannel_storage(struct hv_device *device, int max_chns) { struct device *dev = &device->device; struct storvsc_device *stor_device; - int num_cpus = num_online_cpus(); int num_sc; struct storvsc_cmd_request *request; struct vstor_packet *vstor_packet; int ret, t; - num_sc = ((max_chns > num_cpus) ? num_cpus : max_chns); + /* + * If the number of CPUs is artificially restricted, such as + * with maxcpus=1 on the kernel boot line, Hyper-V could offer + * sub-channels >= the number of CPUs. These sub-channels + * should not be created. The primary channel is already created + * and assigned to one CPU, so check against # CPUs - 1. + */ + num_sc = min((int)(num_online_cpus() - 1), max_chns); + if (!num_sc) + return; + stor_device = get_out_stor_device(device); if (!stor_device) return; diff --git a/drivers/scsi/virtio_scsi.c b/drivers/scsi/virtio_scsi.c index 8af01777d09c..f8cb7c23305b 100644 --- a/drivers/scsi/virtio_scsi.c +++ b/drivers/scsi/virtio_scsi.c @@ -793,6 +793,7 @@ static int virtscsi_probe(struct virtio_device *vdev) /* We need to know how many queues before we allocate. */ num_queues = virtscsi_config_get(vdev, num_queues) ? : 1; + num_queues = min_t(unsigned int, nr_cpu_ids, num_queues); num_targets = virtscsi_config_get(vdev, max_target) + 1; diff --git a/drivers/ssb/pci.c b/drivers/ssb/pci.c index 84807a9b4b13..da2d2ab8104d 100644 --- a/drivers/ssb/pci.c +++ b/drivers/ssb/pci.c @@ -305,7 +305,6 @@ static int sprom_do_write(struct ssb_bus *bus, const u16 *sprom) else if (i % 2) pr_cont("."); writew(sprom[i], bus->mmio + bus->sprom_offset + (i * 2)); - mmiowb(); msleep(20); } err = pci_read_config_dword(pdev, SSB_SPROMCTL, &spromctl); diff --git a/drivers/ssb/pcmcia.c b/drivers/ssb/pcmcia.c index 567013f8a8be..d7d730c245c5 100644 --- a/drivers/ssb/pcmcia.c +++ b/drivers/ssb/pcmcia.c @@ -338,7 +338,6 @@ static void ssb_pcmcia_write8(struct ssb_device *dev, u16 offset, u8 value) err = select_core_and_segment(dev, &offset); if (likely(!err)) writeb(value, bus->mmio + offset); - mmiowb(); spin_unlock_irqrestore(&bus->bar_lock, flags); } @@ -352,7 +351,6 @@ static void ssb_pcmcia_write16(struct ssb_device *dev, u16 offset, u16 value) err = select_core_and_segment(dev, &offset); if (likely(!err)) writew(value, bus->mmio + offset); - mmiowb(); spin_unlock_irqrestore(&bus->bar_lock, flags); } @@ -368,7 +366,6 @@ static void ssb_pcmcia_write32(struct ssb_device *dev, u16 offset, u32 value) writew((value & 0x0000FFFF), bus->mmio + offset); writew(((value & 0xFFFF0000) >> 16), bus->mmio + offset + 2); } - mmiowb(); spin_unlock_irqrestore(&bus->bar_lock, flags); } @@ -424,7 +421,6 @@ static void ssb_pcmcia_block_write(struct ssb_device *dev, const void *buffer, WARN_ON(1); } unlock: - mmiowb(); spin_unlock_irqrestore(&bus->bar_lock, flags); } #endif /* CONFIG_SSB_BLOCKIO */ diff --git a/drivers/staging/comedi/drivers/mite.c b/drivers/staging/comedi/drivers/mite.c index 61e03ad84123..639ec1586976 100644 --- a/drivers/staging/comedi/drivers/mite.c +++ b/drivers/staging/comedi/drivers/mite.c @@ -371,7 +371,6 @@ static unsigned int mite_get_status(struct mite_channel *mite_chan) writel(CHOR_CLRDONE, mite->mmio + MITE_CHOR(mite_chan->channel)); } - mmiowb(); spin_unlock_irqrestore(&mite->lock, flags); return status; } @@ -451,7 +450,6 @@ void mite_dma_arm(struct mite_channel *mite_chan) mite_chan->done = 0; /* arm */ writel(CHOR_START, mite->mmio + MITE_CHOR(mite_chan->channel)); - mmiowb(); spin_unlock_irqrestore(&mite->lock, flags); } EXPORT_SYMBOL_GPL(mite_dma_arm); @@ -638,7 +636,6 @@ void mite_release_channel(struct mite_channel *mite_chan) CHCR_CLR_LC_IE | CHCR_CLR_CONT_RB_IE, mite->mmio + MITE_CHCR(mite_chan->channel)); mite_chan->ring = NULL; - mmiowb(); } spin_unlock_irqrestore(&mite->lock, flags); } diff --git a/drivers/staging/comedi/drivers/ni_660x.c b/drivers/staging/comedi/drivers/ni_660x.c index 405573e927cf..4ee9b260eab0 100644 --- a/drivers/staging/comedi/drivers/ni_660x.c +++ b/drivers/staging/comedi/drivers/ni_660x.c @@ -320,7 +320,6 @@ static inline void ni_660x_set_dma_channel(struct comedi_device *dev, ni_660x_write(dev, chip, devpriv->dma_cfg[chip] | NI660X_DMA_CFG_RESET(mite_channel), NI660X_DMA_CFG); - mmiowb(); } static inline void ni_660x_unset_dma_channel(struct comedi_device *dev, @@ -333,7 +332,6 @@ static inline void ni_660x_unset_dma_channel(struct comedi_device *dev, devpriv->dma_cfg[chip] &= ~NI660X_DMA_CFG_SEL_MASK(mite_channel); devpriv->dma_cfg[chip] |= NI660X_DMA_CFG_SEL_NONE(mite_channel); ni_660x_write(dev, chip, devpriv->dma_cfg[chip], NI660X_DMA_CFG); - mmiowb(); } static int ni_660x_request_mite_channel(struct comedi_device *dev, diff --git a/drivers/staging/comedi/drivers/ni_mio_common.c b/drivers/staging/comedi/drivers/ni_mio_common.c index b04dad8c7092..668f2aa16baa 100644 --- a/drivers/staging/comedi/drivers/ni_mio_common.c +++ b/drivers/staging/comedi/drivers/ni_mio_common.c @@ -547,7 +547,6 @@ static inline void ni_set_bitfield(struct comedi_device *dev, int reg, reg); break; } - mmiowb(); spin_unlock_irqrestore(&devpriv->soft_reg_copy_lock, flags); } diff --git a/drivers/staging/comedi/drivers/ni_pcidio.c b/drivers/staging/comedi/drivers/ni_pcidio.c index 4bdef87d5dd7..8f3864799c19 100644 --- a/drivers/staging/comedi/drivers/ni_pcidio.c +++ b/drivers/staging/comedi/drivers/ni_pcidio.c @@ -310,7 +310,6 @@ static int ni_pcidio_request_di_mite_channel(struct comedi_device *dev) writeb(primary_DMAChannel_bits(devpriv->di_mite_chan->channel) | secondary_DMAChannel_bits(devpriv->di_mite_chan->channel), dev->mmio + DMA_LINE_CONTROL_GROUP1); - mmiowb(); spin_unlock_irqrestore(&devpriv->mite_channel_lock, flags); return 0; } @@ -327,7 +326,6 @@ static void ni_pcidio_release_di_mite_channel(struct comedi_device *dev) writeb(primary_DMAChannel_bits(0) | secondary_DMAChannel_bits(0), dev->mmio + DMA_LINE_CONTROL_GROUP1); - mmiowb(); } spin_unlock_irqrestore(&devpriv->mite_channel_lock, flags); } diff --git a/drivers/staging/comedi/drivers/ni_tio.c b/drivers/staging/comedi/drivers/ni_tio.c index 048cb35723ad..c1131a1622c0 100644 --- a/drivers/staging/comedi/drivers/ni_tio.c +++ b/drivers/staging/comedi/drivers/ni_tio.c @@ -234,7 +234,6 @@ static void ni_tio_set_bits_transient(struct ni_gpct *counter, regs[reg] &= ~mask; regs[reg] |= (value & mask); ni_tio_write(counter, regs[reg] | transient, reg); - mmiowb(); spin_unlock_irqrestore(&counter_dev->regs_lock, flags); } } diff --git a/drivers/staging/comedi/drivers/ni_usb6501.c b/drivers/staging/comedi/drivers/ni_usb6501.c index 808ed92ed66f..1bb1cb651349 100644 --- a/drivers/staging/comedi/drivers/ni_usb6501.c +++ b/drivers/staging/comedi/drivers/ni_usb6501.c @@ -463,10 +463,8 @@ static int ni6501_alloc_usb_buffers(struct comedi_device *dev) size = usb_endpoint_maxp(devpriv->ep_tx); devpriv->usb_tx_buf = kzalloc(size, GFP_KERNEL); - if (!devpriv->usb_tx_buf) { - kfree(devpriv->usb_rx_buf); + if (!devpriv->usb_tx_buf) return -ENOMEM; - } return 0; } @@ -518,6 +516,9 @@ static int ni6501_auto_attach(struct comedi_device *dev, if (!devpriv) return -ENOMEM; + mutex_init(&devpriv->mut); + usb_set_intfdata(intf, devpriv); + ret = ni6501_find_endpoints(dev); if (ret) return ret; @@ -526,9 +527,6 @@ static int ni6501_auto_attach(struct comedi_device *dev, if (ret) return ret; - mutex_init(&devpriv->mut); - usb_set_intfdata(intf, devpriv); - ret = comedi_alloc_subdevices(dev, 2); if (ret) return ret; diff --git a/drivers/staging/comedi/drivers/s626.c b/drivers/staging/comedi/drivers/s626.c index f5af6f4069dc..39049d3c56d7 100644 --- a/drivers/staging/comedi/drivers/s626.c +++ b/drivers/staging/comedi/drivers/s626.c @@ -108,7 +108,6 @@ static void s626_mc_enable(struct comedi_device *dev, { unsigned int val = (cmd << 16) | cmd; - mmiowb(); writel(val, dev->mmio + reg); } @@ -116,7 +115,6 @@ static void s626_mc_disable(struct comedi_device *dev, unsigned int cmd, unsigned int reg) { writel(cmd << 16, dev->mmio + reg); - mmiowb(); } static bool s626_mc_test(struct comedi_device *dev, diff --git a/drivers/staging/comedi/drivers/vmk80xx.c b/drivers/staging/comedi/drivers/vmk80xx.c index 6234b649d887..65dc6c51037e 100644 --- a/drivers/staging/comedi/drivers/vmk80xx.c +++ b/drivers/staging/comedi/drivers/vmk80xx.c @@ -682,10 +682,8 @@ static int vmk80xx_alloc_usb_buffers(struct comedi_device *dev) size = usb_endpoint_maxp(devpriv->ep_tx); devpriv->usb_tx_buf = kzalloc(size, GFP_KERNEL); - if (!devpriv->usb_tx_buf) { - kfree(devpriv->usb_rx_buf); + if (!devpriv->usb_tx_buf) return -ENOMEM; - } return 0; } @@ -800,6 +798,8 @@ static int vmk80xx_auto_attach(struct comedi_device *dev, devpriv->model = board->model; + sema_init(&devpriv->limit_sem, 8); + ret = vmk80xx_find_usb_endpoints(dev); if (ret) return ret; @@ -808,8 +808,6 @@ static int vmk80xx_auto_attach(struct comedi_device *dev, if (ret) return ret; - sema_init(&devpriv->limit_sem, 8); - usb_set_intfdata(intf, devpriv); if (devpriv->model == VMK8055_MODEL) diff --git a/drivers/staging/erofs/data.c b/drivers/staging/erofs/data.c index 526e0dbea5b5..81af768e7248 100644 --- a/drivers/staging/erofs/data.c +++ b/drivers/staging/erofs/data.c @@ -298,7 +298,7 @@ submit_bio_retry: *last_block = current_block; /* shift in advance in case of it followed by too many gaps */ - if (unlikely(bio->bi_vcnt >= bio->bi_max_vecs)) { + if (bio->bi_iter.bi_size >= bio->bi_max_vecs * PAGE_SIZE) { /* err should reassign to 0 after submitting */ err = 0; goto submit_bio_out; diff --git a/drivers/staging/iio/adc/ad7192.c b/drivers/staging/iio/adc/ad7192.c index acdbc07fd259..2fc8bc22b57b 100644 --- a/drivers/staging/iio/adc/ad7192.c +++ b/drivers/staging/iio/adc/ad7192.c @@ -109,10 +109,10 @@ #define AD7192_CH_AIN3 BIT(6) /* AIN3 - AINCOM */ #define AD7192_CH_AIN4 BIT(7) /* AIN4 - AINCOM */ -#define AD7193_CH_AIN1P_AIN2M 0x000 /* AIN1(+) - AIN2(-) */ -#define AD7193_CH_AIN3P_AIN4M 0x001 /* AIN3(+) - AIN4(-) */ -#define AD7193_CH_AIN5P_AIN6M 0x002 /* AIN5(+) - AIN6(-) */ -#define AD7193_CH_AIN7P_AIN8M 0x004 /* AIN7(+) - AIN8(-) */ +#define AD7193_CH_AIN1P_AIN2M 0x001 /* AIN1(+) - AIN2(-) */ +#define AD7193_CH_AIN3P_AIN4M 0x002 /* AIN3(+) - AIN4(-) */ +#define AD7193_CH_AIN5P_AIN6M 0x004 /* AIN5(+) - AIN6(-) */ +#define AD7193_CH_AIN7P_AIN8M 0x008 /* AIN7(+) - AIN8(-) */ #define AD7193_CH_TEMP 0x100 /* Temp senseor */ #define AD7193_CH_AIN2P_AIN2M 0x200 /* AIN2(+) - AIN2(-) */ #define AD7193_CH_AIN1 0x401 /* AIN1 - AINCOM */ diff --git a/drivers/staging/iio/meter/ade7854.c b/drivers/staging/iio/meter/ade7854.c index 029c3bf42d4d..07774c000c5a 100644 --- a/drivers/staging/iio/meter/ade7854.c +++ b/drivers/staging/iio/meter/ade7854.c @@ -269,7 +269,7 @@ static IIO_DEV_ATTR_VPEAK(0644, static IIO_DEV_ATTR_IPEAK(0644, ade7854_read_32bit, ade7854_write_32bit, - ADE7854_VPEAK); + ADE7854_IPEAK); static IIO_DEV_ATTR_APHCAL(0644, ade7854_read_16bit, ade7854_write_16bit, diff --git a/drivers/staging/most/core.c b/drivers/staging/most/core.c index 18936cdb1083..956daf8c3bd2 100644 --- a/drivers/staging/most/core.c +++ b/drivers/staging/most/core.c @@ -1431,7 +1431,7 @@ int most_register_interface(struct most_interface *iface) INIT_LIST_HEAD(&iface->p->channel_list); iface->p->dev_id = id; - snprintf(iface->p->name, STRING_SIZE, "mdev%d", id); + strcpy(iface->p->name, iface->description); iface->dev.init_name = iface->p->name; iface->dev.bus = &mc.bus; iface->dev.parent = &mc.dev; diff --git a/drivers/thermal/intel/int340x_thermal/acpi_thermal_rel.c b/drivers/thermal/intel/int340x_thermal/acpi_thermal_rel.c index 45e7e5cbdffb..7c71ffb733a1 100644 --- a/drivers/thermal/intel/int340x_thermal/acpi_thermal_rel.c +++ b/drivers/thermal/intel/int340x_thermal/acpi_thermal_rel.c @@ -230,7 +230,7 @@ static void get_single_name(acpi_handle handle, char *name) if (ACPI_FAILURE(acpi_get_name(handle, ACPI_SINGLE_NAME, &buffer))) pr_warn("Failed to get device name from acpi handle\n"); else { - memcpy(name, buffer.pointer, ACPI_NAME_SIZE); + memcpy(name, buffer.pointer, ACPI_NAMESEG_SIZE); kfree(buffer.pointer); } } diff --git a/drivers/tty/rocket.c b/drivers/tty/rocket.c index b121d8f8f3d7..27aeca30eeae 100644 --- a/drivers/tty/rocket.c +++ b/drivers/tty/rocket.c @@ -266,7 +266,7 @@ MODULE_PARM_DESC(pc104_3, "set interface types for ISA(PC104) board #3 (e.g. pc1 module_param_array(pc104_4, ulong, NULL, 0); MODULE_PARM_DESC(pc104_4, "set interface types for ISA(PC104) board #4 (e.g. pc104_4=232,232,485,485,..."); -static int rp_init(void); +static int __init rp_init(void); static void rp_cleanup_module(void); module_init(rp_init); diff --git a/drivers/tty/serial/men_z135_uart.c b/drivers/tty/serial/men_z135_uart.c index ef89534dd760..e5d3ebab6dae 100644 --- a/drivers/tty/serial/men_z135_uart.c +++ b/drivers/tty/serial/men_z135_uart.c @@ -353,7 +353,6 @@ static void men_z135_handle_tx(struct men_z135_port *uart) memcpy_toio(port->membase + MEN_Z135_TX_RAM, &xmit->buf[xmit->tail], n); xmit->tail = (xmit->tail + n) & (UART_XMIT_SIZE - 1); - mmiowb(); iowrite32(n & 0x3ff, port->membase + MEN_Z135_TX_CTRL); diff --git a/drivers/tty/serial/sc16is7xx.c b/drivers/tty/serial/sc16is7xx.c index 09a183dfc526..a31db15cd7c0 100644 --- a/drivers/tty/serial/sc16is7xx.c +++ b/drivers/tty/serial/sc16is7xx.c @@ -1520,11 +1520,13 @@ static int __init sc16is7xx_init(void) #endif return ret; +#ifdef CONFIG_SERIAL_SC16IS7XX_SPI err_spi: +#endif #ifdef CONFIG_SERIAL_SC16IS7XX_I2C i2c_del_driver(&sc16is7xx_i2c_uart_driver); -#endif err_i2c: +#endif uart_unregister_driver(&sc16is7xx_uart); return ret; } diff --git a/drivers/tty/serial/serial_txx9.c b/drivers/tty/serial/serial_txx9.c index 1b4008d022bf..d22ccb32aa9b 100644 --- a/drivers/tty/serial/serial_txx9.c +++ b/drivers/tty/serial/serial_txx9.c @@ -248,7 +248,6 @@ static void serial_txx9_initialize(struct uart_port *port) sio_out(up, TXX9_SIFCR, TXX9_SIFCR_SWRST); /* TX4925 BUG WORKAROUND. Accessing SIOC register * immediately after soft reset causes bus error. */ - mmiowb(); udelay(1); while ((sio_in(up, TXX9_SIFCR) & TXX9_SIFCR_SWRST) && --tmout) udelay(1); diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c index 2d1c626312cd..3cd139752d3f 100644 --- a/drivers/tty/serial/sh-sci.c +++ b/drivers/tty/serial/sh-sci.c @@ -2512,14 +2512,16 @@ done: * center of the last stop bit in sampling clocks. */ int last_stop = bits * 2 - 1; - int deviation = min_err * srr * last_stop / 2 / baud; + int deviation = DIV_ROUND_CLOSEST(min_err * last_stop * + (int)(srr + 1), + 2 * (int)baud); if (abs(deviation) >= 2) { /* At least two sampling clocks off at the * last stop bit; we can increase the error * margin by shifting the sampling point. */ - int shift = min(-8, max(7, deviation / 2)); + int shift = clamp(deviation / 2, -8, 7); hssrr |= (shift << HSCIF_SRHP_SHIFT) & HSCIF_SRHP_MASK; diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c index d34984aa646d..650c66886c80 100644 --- a/drivers/tty/vt/vt.c +++ b/drivers/tty/vt/vt.c @@ -1520,7 +1520,8 @@ static void csi_J(struct vc_data *vc, int vpar) return; } scr_memsetw(start, vc->vc_video_erase_char, 2 * count); - update_region(vc, (unsigned long) start, count); + if (con_should_update(vc)) + do_update_region(vc, (unsigned long) start, count); vc->vc_need_wrap = 0; } diff --git a/drivers/usb/core/driver.c b/drivers/usb/core/driver.c index 8987cec9549d..ebcadaad89d1 100644 --- a/drivers/usb/core/driver.c +++ b/drivers/usb/core/driver.c @@ -473,11 +473,6 @@ static int usb_unbind_interface(struct device *dev) pm_runtime_disable(dev); pm_runtime_set_suspended(dev); - /* Undo any residual pm_autopm_get_interface_* calls */ - for (r = atomic_read(&intf->pm_usage_cnt); r > 0; --r) - usb_autopm_put_interface_no_suspend(intf); - atomic_set(&intf->pm_usage_cnt, 0); - if (!error) usb_autosuspend_device(udev); @@ -1633,7 +1628,6 @@ void usb_autopm_put_interface(struct usb_interface *intf) int status; usb_mark_last_busy(udev); - atomic_dec(&intf->pm_usage_cnt); status = pm_runtime_put_sync(&intf->dev); dev_vdbg(&intf->dev, "%s: cnt %d -> %d\n", __func__, atomic_read(&intf->dev.power.usage_count), @@ -1662,7 +1656,6 @@ void usb_autopm_put_interface_async(struct usb_interface *intf) int status; usb_mark_last_busy(udev); - atomic_dec(&intf->pm_usage_cnt); status = pm_runtime_put(&intf->dev); dev_vdbg(&intf->dev, "%s: cnt %d -> %d\n", __func__, atomic_read(&intf->dev.power.usage_count), @@ -1684,7 +1677,6 @@ void usb_autopm_put_interface_no_suspend(struct usb_interface *intf) struct usb_device *udev = interface_to_usbdev(intf); usb_mark_last_busy(udev); - atomic_dec(&intf->pm_usage_cnt); pm_runtime_put_noidle(&intf->dev); } EXPORT_SYMBOL_GPL(usb_autopm_put_interface_no_suspend); @@ -1715,8 +1707,6 @@ int usb_autopm_get_interface(struct usb_interface *intf) status = pm_runtime_get_sync(&intf->dev); if (status < 0) pm_runtime_put_sync(&intf->dev); - else - atomic_inc(&intf->pm_usage_cnt); dev_vdbg(&intf->dev, "%s: cnt %d -> %d\n", __func__, atomic_read(&intf->dev.power.usage_count), status); @@ -1750,8 +1740,6 @@ int usb_autopm_get_interface_async(struct usb_interface *intf) status = pm_runtime_get(&intf->dev); if (status < 0 && status != -EINPROGRESS) pm_runtime_put_noidle(&intf->dev); - else - atomic_inc(&intf->pm_usage_cnt); dev_vdbg(&intf->dev, "%s: cnt %d -> %d\n", __func__, atomic_read(&intf->dev.power.usage_count), status); @@ -1775,7 +1763,6 @@ void usb_autopm_get_interface_no_resume(struct usb_interface *intf) struct usb_device *udev = interface_to_usbdev(intf); usb_mark_last_busy(udev); - atomic_inc(&intf->pm_usage_cnt); pm_runtime_get_noresume(&intf->dev); } EXPORT_SYMBOL_GPL(usb_autopm_get_interface_no_resume); diff --git a/drivers/usb/core/message.c b/drivers/usb/core/message.c index 82239f27c4cc..e844bb7b5676 100644 --- a/drivers/usb/core/message.c +++ b/drivers/usb/core/message.c @@ -820,9 +820,11 @@ int usb_string(struct usb_device *dev, int index, char *buf, size_t size) if (dev->state == USB_STATE_SUSPENDED) return -EHOSTUNREACH; - if (size <= 0 || !buf || !index) + if (size <= 0 || !buf) return -EINVAL; buf[0] = 0; + if (index <= 0 || index >= 256) + return -EINVAL; tbuf = kmalloc(256, GFP_NOIO); if (!tbuf) return -ENOMEM; diff --git a/drivers/usb/early/xhci-dbc.c b/drivers/usb/early/xhci-dbc.c index c9cfb100ecdc..cac991173ac0 100644 --- a/drivers/usb/early/xhci-dbc.c +++ b/drivers/usb/early/xhci-dbc.c @@ -533,8 +533,6 @@ static int xdbc_handle_external_reset(void) xdbc_mem_init(); - mmiowb(); - ret = xdbc_start(); if (ret < 0) goto reset_out; @@ -587,8 +585,6 @@ static int __init xdbc_early_setup(void) xdbc_mem_init(); - mmiowb(); - ret = xdbc_start(); if (ret < 0) { writel(0, &xdbc.xdbc_reg->control); diff --git a/drivers/usb/gadget/udc/dummy_hcd.c b/drivers/usb/gadget/udc/dummy_hcd.c index baf72f95f0f1..213b52508621 100644 --- a/drivers/usb/gadget/udc/dummy_hcd.c +++ b/drivers/usb/gadget/udc/dummy_hcd.c @@ -979,8 +979,18 @@ static int dummy_udc_start(struct usb_gadget *g, struct dummy_hcd *dum_hcd = gadget_to_dummy_hcd(g); struct dummy *dum = dum_hcd->dum; - if (driver->max_speed == USB_SPEED_UNKNOWN) + switch (g->speed) { + /* All the speeds we support */ + case USB_SPEED_LOW: + case USB_SPEED_FULL: + case USB_SPEED_HIGH: + case USB_SPEED_SUPER: + break; + default: + dev_err(dummy_dev(dum_hcd), "Unsupported driver max speed %d\n", + driver->max_speed); return -EINVAL; + } /* * SLAVE side init ... the layer above hardware, which @@ -1784,9 +1794,10 @@ static void dummy_timer(struct timer_list *t) /* Bus speed is 500000 bytes/ms, so use a little less */ total = 490000; break; - default: + default: /* Can't happen */ dev_err(dummy_dev(dum_hcd), "bogus device speed\n"); - return; + total = 0; + break; } /* FIXME if HZ != 1000 this will probably misbehave ... */ @@ -1828,7 +1839,7 @@ restart: /* Used up this frame's bandwidth? */ if (total <= 0) - break; + continue; /* find the gadget's ep for this request (if configured) */ address = usb_pipeendpoint (urb->pipe); diff --git a/drivers/usb/host/xhci-dbgcap.c b/drivers/usb/host/xhci-dbgcap.c index d932cc31711e..52e32644a4b2 100644 --- a/drivers/usb/host/xhci-dbgcap.c +++ b/drivers/usb/host/xhci-dbgcap.c @@ -421,8 +421,6 @@ static int xhci_dbc_mem_init(struct xhci_hcd *xhci, gfp_t flags) string_length = xhci_dbc_populate_strings(dbc->string); xhci_dbc_init_contexts(xhci, string_length); - mmiowb(); - xhci_dbc_eps_init(xhci); dbc->state = DS_INITIALIZED; diff --git a/drivers/usb/misc/yurex.c b/drivers/usb/misc/yurex.c index 6d9fd5f64903..7b306aa22d25 100644 --- a/drivers/usb/misc/yurex.c +++ b/drivers/usb/misc/yurex.c @@ -314,6 +314,7 @@ static void yurex_disconnect(struct usb_interface *interface) usb_deregister_dev(interface, &yurex_class); /* prevent more I/O from starting */ + usb_poison_urb(dev->urb); mutex_lock(&dev->io_mutex); dev->interface = NULL; mutex_unlock(&dev->io_mutex); diff --git a/drivers/usb/storage/realtek_cr.c b/drivers/usb/storage/realtek_cr.c index 31b024441938..cc794e25a0b6 100644 --- a/drivers/usb/storage/realtek_cr.c +++ b/drivers/usb/storage/realtek_cr.c @@ -763,18 +763,16 @@ static void rts51x_suspend_timer_fn(struct timer_list *t) break; case RTS51X_STAT_IDLE: case RTS51X_STAT_SS: - usb_stor_dbg(us, "RTS51X_STAT_SS, intf->pm_usage_cnt:%d, power.usage:%d\n", - atomic_read(&us->pusb_intf->pm_usage_cnt), + usb_stor_dbg(us, "RTS51X_STAT_SS, power.usage:%d\n", atomic_read(&us->pusb_intf->dev.power.usage_count)); - if (atomic_read(&us->pusb_intf->pm_usage_cnt) > 0) { + if (atomic_read(&us->pusb_intf->dev.power.usage_count) > 0) { usb_stor_dbg(us, "Ready to enter SS state\n"); rts51x_set_stat(chip, RTS51X_STAT_SS); /* ignore mass storage interface's children */ pm_suspend_ignore_children(&us->pusb_intf->dev, true); usb_autopm_put_interface_async(us->pusb_intf); - usb_stor_dbg(us, "RTS51X_STAT_SS 01, intf->pm_usage_cnt:%d, power.usage:%d\n", - atomic_read(&us->pusb_intf->pm_usage_cnt), + usb_stor_dbg(us, "RTS51X_STAT_SS 01, power.usage:%d\n", atomic_read(&us->pusb_intf->dev.power.usage_count)); } break; @@ -807,11 +805,10 @@ static void rts51x_invoke_transport(struct scsi_cmnd *srb, struct us_data *us) int ret; if (working_scsi(srb)) { - usb_stor_dbg(us, "working scsi, intf->pm_usage_cnt:%d, power.usage:%d\n", - atomic_read(&us->pusb_intf->pm_usage_cnt), + usb_stor_dbg(us, "working scsi, power.usage:%d\n", atomic_read(&us->pusb_intf->dev.power.usage_count)); - if (atomic_read(&us->pusb_intf->pm_usage_cnt) <= 0) { + if (atomic_read(&us->pusb_intf->dev.power.usage_count) <= 0) { ret = usb_autopm_get_interface(us->pusb_intf); usb_stor_dbg(us, "working scsi, ret=%d\n", ret); } diff --git a/drivers/usb/usbip/stub_rx.c b/drivers/usb/usbip/stub_rx.c index 97b09a42a10c..dbfb2f24d71e 100644 --- a/drivers/usb/usbip/stub_rx.c +++ b/drivers/usb/usbip/stub_rx.c @@ -361,16 +361,10 @@ static int get_pipe(struct stub_device *sdev, struct usbip_header *pdu) } if (usb_endpoint_xfer_isoc(epd)) { - /* validate packet size and number of packets */ - unsigned int maxp, packets, bytes; - - maxp = usb_endpoint_maxp(epd); - maxp *= usb_endpoint_maxp_mult(epd); - bytes = pdu->u.cmd_submit.transfer_buffer_length; - packets = DIV_ROUND_UP(bytes, maxp); - + /* validate number of packets */ if (pdu->u.cmd_submit.number_of_packets < 0 || - pdu->u.cmd_submit.number_of_packets > packets) { + pdu->u.cmd_submit.number_of_packets > + USBIP_MAX_ISO_PACKETS) { dev_err(&sdev->udev->dev, "CMD_SUBMIT: isoc invalid num packets %d\n", pdu->u.cmd_submit.number_of_packets); diff --git a/drivers/usb/usbip/usbip_common.h b/drivers/usb/usbip/usbip_common.h index bf8afe9b5883..8be857a4fa13 100644 --- a/drivers/usb/usbip/usbip_common.h +++ b/drivers/usb/usbip/usbip_common.h @@ -121,6 +121,13 @@ extern struct device_attribute dev_attr_usbip_debug; #define USBIP_DIR_OUT 0x00 #define USBIP_DIR_IN 0x01 +/* + * Arbitrary limit for the maximum number of isochronous packets in an URB, + * compare for example the uhci_submit_isochronous function in + * drivers/usb/host/uhci-q.c + */ +#define USBIP_MAX_ISO_PACKETS 1024 + /** * struct usbip_header_basic - data pertinent to every request * @command: the usbip request type diff --git a/drivers/vfio/pci/vfio_pci.c b/drivers/vfio/pci/vfio_pci.c index a25659b5a5d1..3fa20e95a6bb 100644 --- a/drivers/vfio/pci/vfio_pci.c +++ b/drivers/vfio/pci/vfio_pci.c @@ -1661,11 +1661,11 @@ static void __init vfio_pci_fill_ids(void) rc = pci_add_dynid(&vfio_pci_driver, vendor, device, subvendor, subdevice, class, class_mask, 0); if (rc) - pr_warn("failed to add dynamic id [%04hx:%04hx[%04hx:%04hx]] class %#08x/%08x (%d)\n", + pr_warn("failed to add dynamic id [%04x:%04x[%04x:%04x]] class %#08x/%08x (%d)\n", vendor, device, subvendor, subdevice, class, class_mask, rc); else - pr_info("add [%04hx:%04hx[%04hx:%04hx]] class %#08x/%08x\n", + pr_info("add [%04x:%04x[%04x:%04x]] class %#08x/%08x\n", vendor, device, subvendor, subdevice, class, class_mask); } diff --git a/drivers/vfio/vfio_iommu_spapr_tce.c b/drivers/vfio/vfio_iommu_spapr_tce.c index 8dbb270998f4..6b64e45a5269 100644 --- a/drivers/vfio/vfio_iommu_spapr_tce.c +++ b/drivers/vfio/vfio_iommu_spapr_tce.c @@ -1398,7 +1398,7 @@ unlock_exit: mutex_unlock(&container->lock); } -const struct vfio_iommu_driver_ops tce_iommu_driver_ops = { +static const struct vfio_iommu_driver_ops tce_iommu_driver_ops = { .name = "iommu-vfio-powerpc", .owner = THIS_MODULE, .open = tce_iommu_open, diff --git a/drivers/vfio/vfio_iommu_type1.c b/drivers/vfio/vfio_iommu_type1.c index 73652e21efec..d0f731c9920a 100644 --- a/drivers/vfio/vfio_iommu_type1.c +++ b/drivers/vfio/vfio_iommu_type1.c @@ -58,12 +58,18 @@ module_param_named(disable_hugepages, MODULE_PARM_DESC(disable_hugepages, "Disable VFIO IOMMU support for IOMMU hugepages."); +static unsigned int dma_entry_limit __read_mostly = U16_MAX; +module_param_named(dma_entry_limit, dma_entry_limit, uint, 0644); +MODULE_PARM_DESC(dma_entry_limit, + "Maximum number of user DMA mappings per container (65535)."); + struct vfio_iommu { struct list_head domain_list; struct vfio_domain *external_domain; /* domain for external user */ struct mutex lock; struct rb_root dma_list; struct blocking_notifier_head notifier; + unsigned int dma_avail; bool v2; bool nesting; }; @@ -836,6 +842,7 @@ static void vfio_remove_dma(struct vfio_iommu *iommu, struct vfio_dma *dma) vfio_unlink_dma(iommu, dma); put_task_struct(dma->task); kfree(dma); + iommu->dma_avail++; } static unsigned long vfio_pgsize_bitmap(struct vfio_iommu *iommu) @@ -1081,12 +1088,18 @@ static int vfio_dma_do_map(struct vfio_iommu *iommu, goto out_unlock; } + if (!iommu->dma_avail) { + ret = -ENOSPC; + goto out_unlock; + } + dma = kzalloc(sizeof(*dma), GFP_KERNEL); if (!dma) { ret = -ENOMEM; goto out_unlock; } + iommu->dma_avail--; dma->iova = iova; dma->vaddr = vaddr; dma->prot = prot; @@ -1583,6 +1596,7 @@ static void *vfio_iommu_type1_open(unsigned long arg) INIT_LIST_HEAD(&iommu->domain_list); iommu->dma_list = RB_ROOT; + iommu->dma_avail = dma_entry_limit; mutex_init(&iommu->lock); BLOCKING_INIT_NOTIFIER_HEAD(&iommu->notifier); diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c index 5ace833de746..351af88231ad 100644 --- a/drivers/vhost/vhost.c +++ b/drivers/vhost/vhost.c @@ -911,8 +911,12 @@ static int vhost_new_umem_range(struct vhost_umem *umem, u64 start, u64 size, u64 end, u64 userspace_addr, int perm) { - struct vhost_umem_node *tmp, *node = kmalloc(sizeof(*node), GFP_ATOMIC); + struct vhost_umem_node *tmp, *node; + if (!size) + return -EFAULT; + + node = kmalloc(sizeof(*node), GFP_ATOMIC); if (!node) return -ENOMEM; diff --git a/drivers/video/fbdev/efifb.c b/drivers/video/fbdev/efifb.c index ba906876cc45..9e529cc2b4ff 100644 --- a/drivers/video/fbdev/efifb.c +++ b/drivers/video/fbdev/efifb.c @@ -464,7 +464,8 @@ static int efifb_probe(struct platform_device *dev) info->apertures->ranges[0].base = efifb_fix.smem_start; info->apertures->ranges[0].size = size_remap; - if (!efi_mem_desc_lookup(efifb_fix.smem_start, &md)) { + if (efi_enabled(EFI_BOOT) && + !efi_mem_desc_lookup(efifb_fix.smem_start, &md)) { if ((efifb_fix.smem_start + efifb_fix.smem_len) > (md.phys_addr + (md.num_pages << EFI_PAGE_SHIFT))) { pr_err("efifb: video memory @ 0x%lx spans multiple EFI memory regions\n", diff --git a/drivers/virtio/virtio_pci_common.c b/drivers/virtio/virtio_pci_common.c index d0584c040c60..7a0398bb84f7 100644 --- a/drivers/virtio/virtio_pci_common.c +++ b/drivers/virtio/virtio_pci_common.c @@ -255,9 +255,11 @@ void vp_del_vqs(struct virtio_device *vdev) for (i = 0; i < vp_dev->msix_used_vectors; ++i) free_irq(pci_irq_vector(vp_dev->pci_dev, i), vp_dev); - for (i = 0; i < vp_dev->msix_vectors; i++) - if (vp_dev->msix_affinity_masks[i]) - free_cpumask_var(vp_dev->msix_affinity_masks[i]); + if (vp_dev->msix_affinity_masks) { + for (i = 0; i < vp_dev->msix_vectors; i++) + if (vp_dev->msix_affinity_masks[i]) + free_cpumask_var(vp_dev->msix_affinity_masks[i]); + } if (vp_dev->msix_enabled) { /* Disable the vector used for configuration */ diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c index 18846afb39da..5df92c308286 100644 --- a/drivers/virtio/virtio_ring.c +++ b/drivers/virtio/virtio_ring.c @@ -882,6 +882,8 @@ static struct virtqueue *vring_create_virtqueue_split( GFP_KERNEL|__GFP_NOWARN|__GFP_ZERO); if (queue) break; + if (!may_reduce_num) + return NULL; } if (!num) diff --git a/drivers/w1/masters/ds2490.c b/drivers/w1/masters/ds2490.c index 0f4ecfcdb549..a9fb77585272 100644 --- a/drivers/w1/masters/ds2490.c +++ b/drivers/w1/masters/ds2490.c @@ -1016,15 +1016,15 @@ static int ds_probe(struct usb_interface *intf, /* alternative 3, 1ms interrupt (greatly speeds search), 64 byte bulk */ alt = 3; err = usb_set_interface(dev->udev, - intf->altsetting[alt].desc.bInterfaceNumber, alt); + intf->cur_altsetting->desc.bInterfaceNumber, alt); if (err) { dev_err(&dev->udev->dev, "Failed to set alternative setting %d " "for %d interface: err=%d.\n", alt, - intf->altsetting[alt].desc.bInterfaceNumber, err); + intf->cur_altsetting->desc.bInterfaceNumber, err); goto err_out_clear; } - iface_desc = &intf->altsetting[alt]; + iface_desc = intf->cur_altsetting; if (iface_desc->desc.bNumEndpoints != NUM_EP-1) { pr_info("Num endpoints=%d. It is not DS9490R.\n", iface_desc->desc.bNumEndpoints); diff --git a/drivers/watchdog/sbsa_gwdt.c b/drivers/watchdog/sbsa_gwdt.c index e8bd9887c566..e221e47396ab 100644 --- a/drivers/watchdog/sbsa_gwdt.c +++ b/drivers/watchdog/sbsa_gwdt.c @@ -161,7 +161,7 @@ static unsigned int sbsa_gwdt_get_timeleft(struct watchdog_device *wdd) timeleft += readl(gwdt->control_base + SBSA_GWDT_WOR); timeleft += lo_hi_readq(gwdt->control_base + SBSA_GWDT_WCV) - - arch_counter_get_cntvct(); + arch_timer_read_counter(); do_div(timeleft, gwdt->clk); diff --git a/drivers/xen/events/events_base.c b/drivers/xen/events/events_base.c index 117e76b2f939..084e45882c73 100644 --- a/drivers/xen/events/events_base.c +++ b/drivers/xen/events/events_base.c @@ -1687,7 +1687,6 @@ void __init xen_init_IRQ(void) #ifdef CONFIG_X86 if (xen_pv_domain()) { - irq_ctx_init(smp_processor_id()); if (xen_initial_domain()) pci_xen_initial_domain(); } diff --git a/drivers/xen/privcmd-buf.c b/drivers/xen/privcmd-buf.c index de01a6d0059d..a1c61e351d3f 100644 --- a/drivers/xen/privcmd-buf.c +++ b/drivers/xen/privcmd-buf.c @@ -140,8 +140,7 @@ static int privcmd_buf_mmap(struct file *file, struct vm_area_struct *vma) if (!(vma->vm_flags & VM_SHARED)) return -EINVAL; - vma_priv = kzalloc(sizeof(*vma_priv) + count * sizeof(void *), - GFP_KERNEL); + vma_priv = kzalloc(struct_size(vma_priv, pages, count), GFP_KERNEL); if (!vma_priv) return -ENOMEM; diff --git a/drivers/xen/xenbus/xenbus_dev_frontend.c b/drivers/xen/xenbus/xenbus_dev_frontend.c index c3e201025ef0..0782ff3c2273 100644 --- a/drivers/xen/xenbus/xenbus_dev_frontend.c +++ b/drivers/xen/xenbus/xenbus_dev_frontend.c @@ -622,9 +622,7 @@ static int xenbus_file_open(struct inode *inode, struct file *filp) if (xen_store_evtchn == 0) return -ENOENT; - nonseekable_open(inode, filp); - - filp->f_mode &= ~FMODE_ATOMIC_POS; /* cdev-style semantics */ + stream_open(inode, filp); u = kzalloc(sizeof(*u), GFP_KERNEL); if (u == NULL) |