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Diffstat (limited to 'drivers/acpi/namespace/nsdump.c')
-rw-r--r--drivers/acpi/namespace/nsdump.c673
1 files changed, 673 insertions, 0 deletions
diff --git a/drivers/acpi/namespace/nsdump.c b/drivers/acpi/namespace/nsdump.c
new file mode 100644
index 000000000000..1f6af3eb6c91
--- /dev/null
+++ b/drivers/acpi/namespace/nsdump.c
@@ -0,0 +1,673 @@
+/******************************************************************************
+ *
+ * Module Name: nsdump - table dumping routines for debug
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2005, R. Byron Moore
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions, and the following disclaimer,
+ * without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+
+#include <acpi/acpi.h>
+#include <acpi/acnamesp.h>
+#include <acpi/acparser.h>
+
+
+#define _COMPONENT ACPI_NAMESPACE
+ ACPI_MODULE_NAME ("nsdump")
+
+
+#if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER)
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ns_print_pathname
+ *
+ * PARAMETERS: num_segment - Number of ACPI name segments
+ * Pathname - The compressed (internal) path
+ *
+ * DESCRIPTION: Print an object's full namespace pathname
+ *
+ ******************************************************************************/
+
+void
+acpi_ns_print_pathname (
+ u32 num_segments,
+ char *pathname)
+{
+ ACPI_FUNCTION_NAME ("ns_print_pathname");
+
+
+ if (!(acpi_dbg_level & ACPI_LV_NAMES) || !(acpi_dbg_layer & ACPI_NAMESPACE)) {
+ return;
+ }
+
+ /* Print the entire name */
+
+ ACPI_DEBUG_PRINT ((ACPI_DB_NAMES, "["));
+
+ while (num_segments) {
+ acpi_os_printf ("%4.4s", pathname);
+ pathname += ACPI_NAME_SIZE;
+
+ num_segments--;
+ if (num_segments) {
+ acpi_os_printf (".");
+ }
+ }
+
+ acpi_os_printf ("]\n");
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ns_dump_pathname
+ *
+ * PARAMETERS: Handle - Object
+ * Msg - Prefix message
+ * Level - Desired debug level
+ * Component - Caller's component ID
+ *
+ * DESCRIPTION: Print an object's full namespace pathname
+ * Manages allocation/freeing of a pathname buffer
+ *
+ ******************************************************************************/
+
+void
+acpi_ns_dump_pathname (
+ acpi_handle handle,
+ char *msg,
+ u32 level,
+ u32 component)
+{
+
+ ACPI_FUNCTION_TRACE ("ns_dump_pathname");
+
+
+ /* Do this only if the requested debug level and component are enabled */
+
+ if (!(acpi_dbg_level & level) || !(acpi_dbg_layer & component)) {
+ return_VOID;
+ }
+
+ /* Convert handle to a full pathname and print it (with supplied message) */
+
+ acpi_ns_print_node_pathname (handle, msg);
+ acpi_os_printf ("\n");
+ return_VOID;
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ns_dump_one_object
+ *
+ * PARAMETERS: Handle - Node to be dumped
+ * Level - Nesting level of the handle
+ * Context - Passed into walk_namespace
+ *
+ * DESCRIPTION: Dump a single Node
+ * This procedure is a user_function called by acpi_ns_walk_namespace.
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ns_dump_one_object (
+ acpi_handle obj_handle,
+ u32 level,
+ void *context,
+ void **return_value)
+{
+ struct acpi_walk_info *info = (struct acpi_walk_info *) context;
+ struct acpi_namespace_node *this_node;
+ union acpi_operand_object *obj_desc = NULL;
+ acpi_object_type obj_type;
+ acpi_object_type type;
+ u32 bytes_to_dump;
+ u32 dbg_level;
+ u32 i;
+
+
+ ACPI_FUNCTION_NAME ("ns_dump_one_object");
+
+
+ /* Is output enabled? */
+
+ if (!(acpi_dbg_level & info->debug_level)) {
+ return (AE_OK);
+ }
+
+ if (!obj_handle) {
+ ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Null object handle\n"));
+ return (AE_OK);
+ }
+
+ this_node = acpi_ns_map_handle_to_node (obj_handle);
+ type = this_node->type;
+
+ /* Check if the owner matches */
+
+ if ((info->owner_id != ACPI_UINT32_MAX) &&
+ (info->owner_id != this_node->owner_id)) {
+ return (AE_OK);
+ }
+
+ /* Indent the object according to the level */
+
+ acpi_os_printf ("%2d%*s", (u32) level - 1, (int) level * 2, " ");
+
+ /* Check the node type and name */
+
+ if (type > ACPI_TYPE_LOCAL_MAX) {
+ ACPI_REPORT_WARNING (("Invalid ACPI Type %08X\n", type));
+ }
+
+ if (!acpi_ut_valid_acpi_name (this_node->name.integer)) {
+ ACPI_REPORT_WARNING (("Invalid ACPI Name %08X\n",
+ this_node->name.integer));
+ }
+
+ /*
+ * Now we can print out the pertinent information
+ */
+ acpi_os_printf ("%4.4s %-12s %p ",
+ acpi_ut_get_node_name (this_node), acpi_ut_get_type_name (type), this_node);
+
+ dbg_level = acpi_dbg_level;
+ acpi_dbg_level = 0;
+ obj_desc = acpi_ns_get_attached_object (this_node);
+ acpi_dbg_level = dbg_level;
+
+ switch (info->display_type) {
+ case ACPI_DISPLAY_SUMMARY:
+
+ if (!obj_desc) {
+ /* No attached object, we are done */
+
+ acpi_os_printf ("\n");
+ return (AE_OK);
+ }
+
+ switch (type) {
+ case ACPI_TYPE_PROCESSOR:
+
+ acpi_os_printf ("ID %X Len %.4X Addr %p\n",
+ obj_desc->processor.proc_id, obj_desc->processor.length,
+ (char *) obj_desc->processor.address);
+ break;
+
+
+ case ACPI_TYPE_DEVICE:
+
+ acpi_os_printf ("Notify Object: %p\n", obj_desc);
+ break;
+
+
+ case ACPI_TYPE_METHOD:
+
+ acpi_os_printf ("Args %X Len %.4X Aml %p\n",
+ (u32) obj_desc->method.param_count,
+ obj_desc->method.aml_length, obj_desc->method.aml_start);
+ break;
+
+
+ case ACPI_TYPE_INTEGER:
+
+ acpi_os_printf ("= %8.8X%8.8X\n",
+ ACPI_FORMAT_UINT64 (obj_desc->integer.value));
+ break;
+
+
+ case ACPI_TYPE_PACKAGE:
+
+ if (obj_desc->common.flags & AOPOBJ_DATA_VALID) {
+ acpi_os_printf ("Elements %.2X\n",
+ obj_desc->package.count);
+ }
+ else {
+ acpi_os_printf ("[Length not yet evaluated]\n");
+ }
+ break;
+
+
+ case ACPI_TYPE_BUFFER:
+
+ if (obj_desc->common.flags & AOPOBJ_DATA_VALID) {
+ acpi_os_printf ("Len %.2X",
+ obj_desc->buffer.length);
+
+ /* Dump some of the buffer */
+
+ if (obj_desc->buffer.length > 0) {
+ acpi_os_printf (" =");
+ for (i = 0; (i < obj_desc->buffer.length && i < 12); i++) {
+ acpi_os_printf (" %.2hX", obj_desc->buffer.pointer[i]);
+ }
+ }
+ acpi_os_printf ("\n");
+ }
+ else {
+ acpi_os_printf ("[Length not yet evaluated]\n");
+ }
+ break;
+
+
+ case ACPI_TYPE_STRING:
+
+ acpi_os_printf ("Len %.2X ", obj_desc->string.length);
+ acpi_ut_print_string (obj_desc->string.pointer, 32);
+ acpi_os_printf ("\n");
+ break;
+
+
+ case ACPI_TYPE_REGION:
+
+ acpi_os_printf ("[%s]",
+ acpi_ut_get_region_name (obj_desc->region.space_id));
+ if (obj_desc->region.flags & AOPOBJ_DATA_VALID) {
+ acpi_os_printf (" Addr %8.8X%8.8X Len %.4X\n",
+ ACPI_FORMAT_UINT64 (obj_desc->region.address),
+ obj_desc->region.length);
+ }
+ else {
+ acpi_os_printf (" [Address/Length not yet evaluated]\n");
+ }
+ break;
+
+
+ case ACPI_TYPE_LOCAL_REFERENCE:
+
+ acpi_os_printf ("[%s]\n",
+ acpi_ps_get_opcode_name (obj_desc->reference.opcode));
+ break;
+
+
+ case ACPI_TYPE_BUFFER_FIELD:
+
+ if (obj_desc->buffer_field.buffer_obj &&
+ obj_desc->buffer_field.buffer_obj->buffer.node) {
+ acpi_os_printf ("Buf [%4.4s]",
+ acpi_ut_get_node_name (obj_desc->buffer_field.buffer_obj->buffer.node));
+ }
+ break;
+
+
+ case ACPI_TYPE_LOCAL_REGION_FIELD:
+
+ acpi_os_printf ("Rgn [%4.4s]",
+ acpi_ut_get_node_name (obj_desc->common_field.region_obj->region.node));
+ break;
+
+
+ case ACPI_TYPE_LOCAL_BANK_FIELD:
+
+ acpi_os_printf ("Rgn [%4.4s] Bnk [%4.4s]",
+ acpi_ut_get_node_name (obj_desc->common_field.region_obj->region.node),
+ acpi_ut_get_node_name (obj_desc->bank_field.bank_obj->common_field.node));
+ break;
+
+
+ case ACPI_TYPE_LOCAL_INDEX_FIELD:
+
+ acpi_os_printf ("Idx [%4.4s] Dat [%4.4s]",
+ acpi_ut_get_node_name (obj_desc->index_field.index_obj->common_field.node),
+ acpi_ut_get_node_name (obj_desc->index_field.data_obj->common_field.node));
+ break;
+
+
+ case ACPI_TYPE_LOCAL_ALIAS:
+ case ACPI_TYPE_LOCAL_METHOD_ALIAS:
+
+ acpi_os_printf ("Target %4.4s (%p)\n",
+ acpi_ut_get_node_name (obj_desc), obj_desc);
+ break;
+
+ default:
+
+ acpi_os_printf ("Object %p\n", obj_desc);
+ break;
+ }
+
+ /* Common field handling */
+
+ switch (type) {
+ case ACPI_TYPE_BUFFER_FIELD:
+ case ACPI_TYPE_LOCAL_REGION_FIELD:
+ case ACPI_TYPE_LOCAL_BANK_FIELD:
+ case ACPI_TYPE_LOCAL_INDEX_FIELD:
+
+ acpi_os_printf (" Off %.3X Len %.2X Acc %.2hd\n",
+ (obj_desc->common_field.base_byte_offset * 8)
+ + obj_desc->common_field.start_field_bit_offset,
+ obj_desc->common_field.bit_length,
+ obj_desc->common_field.access_byte_width);
+ break;
+
+ default:
+ break;
+ }
+ break;
+
+
+ case ACPI_DISPLAY_OBJECTS:
+
+ acpi_os_printf ("O:%p", obj_desc);
+ if (!obj_desc) {
+ /* No attached object, we are done */
+
+ acpi_os_printf ("\n");
+ return (AE_OK);
+ }
+
+ acpi_os_printf ("(R%d)",
+ obj_desc->common.reference_count);
+
+ switch (type) {
+ case ACPI_TYPE_METHOD:
+
+ /* Name is a Method and its AML offset/length are set */
+
+ acpi_os_printf (" M:%p-%X\n", obj_desc->method.aml_start,
+ obj_desc->method.aml_length);
+ break;
+
+ case ACPI_TYPE_INTEGER:
+
+ acpi_os_printf (" I:%8.8X8.8%X\n",
+ ACPI_FORMAT_UINT64 (obj_desc->integer.value));
+ break;
+
+ case ACPI_TYPE_STRING:
+
+ acpi_os_printf (" S:%p-%X\n", obj_desc->string.pointer,
+ obj_desc->string.length);
+ break;
+
+ case ACPI_TYPE_BUFFER:
+
+ acpi_os_printf (" B:%p-%X\n", obj_desc->buffer.pointer,
+ obj_desc->buffer.length);
+ break;
+
+ default:
+
+ acpi_os_printf ("\n");
+ break;
+ }
+ break;
+
+
+ default:
+ acpi_os_printf ("\n");
+ break;
+ }
+
+ /* If debug turned off, done */
+
+ if (!(acpi_dbg_level & ACPI_LV_VALUES)) {
+ return (AE_OK);
+ }
+
+
+ /* If there is an attached object, display it */
+
+ dbg_level = acpi_dbg_level;
+ acpi_dbg_level = 0;
+ obj_desc = acpi_ns_get_attached_object (this_node);
+ acpi_dbg_level = dbg_level;
+
+ /* Dump attached objects */
+
+ while (obj_desc) {
+ obj_type = ACPI_TYPE_INVALID;
+ acpi_os_printf (" Attached Object %p: ", obj_desc);
+
+ /* Decode the type of attached object and dump the contents */
+
+ switch (ACPI_GET_DESCRIPTOR_TYPE (obj_desc)) {
+ case ACPI_DESC_TYPE_NAMED:
+
+ acpi_os_printf ("(Ptr to Node)\n");
+ bytes_to_dump = sizeof (struct acpi_namespace_node);
+ break;
+
+
+ case ACPI_DESC_TYPE_OPERAND:
+
+ obj_type = ACPI_GET_OBJECT_TYPE (obj_desc);
+
+ if (obj_type > ACPI_TYPE_LOCAL_MAX) {
+ acpi_os_printf ("(Ptr to ACPI Object type %X [UNKNOWN])\n",
+ obj_type);
+ bytes_to_dump = 32;
+ }
+ else {
+ acpi_os_printf ("(Ptr to ACPI Object type %s, %X)\n",
+ acpi_ut_get_type_name (obj_type), obj_type);
+ bytes_to_dump = sizeof (union acpi_operand_object);
+ }
+ break;
+
+
+ default:
+
+ acpi_os_printf (
+ "(String or Buffer ptr - not an object descriptor) [%s]\n",
+ acpi_ut_get_descriptor_name (obj_desc));
+ bytes_to_dump = 16;
+ break;
+ }
+
+ ACPI_DUMP_BUFFER (obj_desc, bytes_to_dump);
+
+ /* If value is NOT an internal object, we are done */
+
+ if (ACPI_GET_DESCRIPTOR_TYPE (obj_desc) != ACPI_DESC_TYPE_OPERAND) {
+ goto cleanup;
+ }
+
+ /*
+ * Valid object, get the pointer to next level, if any
+ */
+ switch (obj_type) {
+ case ACPI_TYPE_STRING:
+ obj_desc = (void *) obj_desc->string.pointer;
+ break;
+
+ case ACPI_TYPE_BUFFER:
+ obj_desc = (void *) obj_desc->buffer.pointer;
+ break;
+
+ case ACPI_TYPE_BUFFER_FIELD:
+ obj_desc = (union acpi_operand_object *) obj_desc->buffer_field.buffer_obj;
+ break;
+
+ case ACPI_TYPE_PACKAGE:
+ obj_desc = (void *) obj_desc->package.elements;
+ break;
+
+ case ACPI_TYPE_METHOD:
+ obj_desc = (void *) obj_desc->method.aml_start;
+ break;
+
+ case ACPI_TYPE_LOCAL_REGION_FIELD:
+ obj_desc = (void *) obj_desc->field.region_obj;
+ break;
+
+ case ACPI_TYPE_LOCAL_BANK_FIELD:
+ obj_desc = (void *) obj_desc->bank_field.region_obj;
+ break;
+
+ case ACPI_TYPE_LOCAL_INDEX_FIELD:
+ obj_desc = (void *) obj_desc->index_field.index_obj;
+ break;
+
+ default:
+ goto cleanup;
+ }
+
+ obj_type = ACPI_TYPE_INVALID; /* Terminate loop after next pass */
+ }
+
+cleanup:
+ acpi_os_printf ("\n");
+ return (AE_OK);
+}
+
+
+#ifdef ACPI_FUTURE_USAGE
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ns_dump_objects
+ *
+ * PARAMETERS: Type - Object type to be dumped
+ * max_depth - Maximum depth of dump. Use ACPI_UINT32_MAX
+ * for an effectively unlimited depth.
+ * owner_id - Dump only objects owned by this ID. Use
+ * ACPI_UINT32_MAX to match all owners.
+ * start_handle - Where in namespace to start/end search
+ *
+ * DESCRIPTION: Dump typed objects within the loaded namespace.
+ * Uses acpi_ns_walk_namespace in conjunction with acpi_ns_dump_one_object.
+ *
+ ******************************************************************************/
+
+void
+acpi_ns_dump_objects (
+ acpi_object_type type,
+ u8 display_type,
+ u32 max_depth,
+ u32 owner_id,
+ acpi_handle start_handle)
+{
+ struct acpi_walk_info info;
+
+
+ ACPI_FUNCTION_ENTRY ();
+
+
+ info.debug_level = ACPI_LV_TABLES;
+ info.owner_id = owner_id;
+ info.display_type = display_type;
+
+ (void) acpi_ns_walk_namespace (type, start_handle, max_depth,
+ ACPI_NS_WALK_NO_UNLOCK, acpi_ns_dump_one_object,
+ (void *) &info, NULL);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ns_dump_tables
+ *
+ * PARAMETERS: search_base - Root of subtree to be dumped, or
+ * NS_ALL to dump the entire namespace
+ * max_depth - Maximum depth of dump. Use INT_MAX
+ * for an effectively unlimited depth.
+ *
+ * DESCRIPTION: Dump the name space, or a portion of it.
+ *
+ ******************************************************************************/
+
+void
+acpi_ns_dump_tables (
+ acpi_handle search_base,
+ u32 max_depth)
+{
+ acpi_handle search_handle = search_base;
+
+
+ ACPI_FUNCTION_TRACE ("ns_dump_tables");
+
+
+ if (!acpi_gbl_root_node) {
+ /*
+ * If the name space has not been initialized,
+ * there is nothing to dump.
+ */
+ ACPI_DEBUG_PRINT ((ACPI_DB_TABLES, "namespace not initialized!\n"));
+ return_VOID;
+ }
+
+ if (ACPI_NS_ALL == search_base) {
+ /* entire namespace */
+
+ search_handle = acpi_gbl_root_node;
+ ACPI_DEBUG_PRINT ((ACPI_DB_TABLES, "\\\n"));
+ }
+
+ acpi_ns_dump_objects (ACPI_TYPE_ANY, ACPI_DISPLAY_OBJECTS, max_depth,
+ ACPI_UINT32_MAX, search_handle);
+ return_VOID;
+}
+
+#endif /* ACPI_FUTURE_USAGE */
+
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ns_dump_entry
+ *
+ * PARAMETERS: Handle - Node to be dumped
+ * debug_level - Output level
+ *
+ * DESCRIPTION: Dump a single Node
+ *
+ ******************************************************************************/
+
+void
+acpi_ns_dump_entry (
+ acpi_handle handle,
+ u32 debug_level)
+{
+ struct acpi_walk_info info;
+
+
+ ACPI_FUNCTION_ENTRY ();
+
+
+ info.debug_level = debug_level;
+ info.owner_id = ACPI_UINT32_MAX;
+ info.display_type = ACPI_DISPLAY_SUMMARY;
+
+ (void) acpi_ns_dump_one_object (handle, 1, &info, NULL);
+}
+
+#endif
+