From e748e4b780057872b4a7192db87476adaa8b501c Mon Sep 17 00:00:00 2001 From: Simon Glass Date: Wed, 27 Dec 2023 13:06:59 -0800 Subject: bloblist: Update the tag numbering Align bloblist tags with the FW handoff spec v0.9. The most common ones are from 0. TF related ones are from 0x100. All non-standard ones from 0xfff000. Added new defined tags: BLOBLISTT_OPTEE_PAGABLE_PART for TF. BLOBLISTT_TPM_EVLOG and BLOBLISTT_TPM_CRB_BASE for TPM. Signed-off-by: Simon Glass Co-developed-by: Raymond Mao Signed-off-by: Raymond Mao Reviewed-by: Ilias Apalodimas --- common/bloblist.c | 18 ++++++++++++++---- 1 file changed, 14 insertions(+), 4 deletions(-) (limited to 'common/bloblist.c') diff --git a/common/bloblist.c b/common/bloblist.c index a22f6c12b0c..5606487f5bf 100644 --- a/common/bloblist.c +++ b/common/bloblist.c @@ -36,16 +36,26 @@ static struct tag_name { enum bloblist_tag_t tag; const char *name; } tag_name[] = { - { BLOBLISTT_NONE, "(none)" }, + { BLOBLISTT_VOID, "(void)" }, /* BLOBLISTT_AREA_FIRMWARE_TOP */ + { BLOBLISTT_CONTROL_FDT, "Control FDT" }, + { BLOBLISTT_HOB_BLOCK, "HOB block" }, + { BLOBLISTT_HOB_LIST, "HOB list" }, + { BLOBLISTT_ACPI_TABLES, "ACPI tables for x86" }, + { BLOBLISTT_TPM_EVLOG, "TPM event log defined by TCG EFI" }, + { BLOBLISTT_TPM_CRB_BASE, "TPM Command Response Buffer address" }, /* BLOBLISTT_AREA_FIRMWARE */ - { BLOBLISTT_ACPI_GNVS, "ACPI GNVS" }, - { BLOBLISTT_INTEL_VBT, "Intel Video-BIOS table" }, { BLOBLISTT_TPM2_TCG_LOG, "TPM v2 log space" }, { BLOBLISTT_TCPA_LOG, "TPM log space" }, - { BLOBLISTT_ACPI_TABLES, "ACPI tables for x86" }, + { BLOBLISTT_ACPI_GNVS, "ACPI GNVS" }, + + /* BLOBLISTT_AREA_TF */ + { BLOBLISTT_OPTEE_PAGABLE_PART, "OP-TEE pagable part" }, + + /* BLOBLISTT_AREA_OTHER */ + { BLOBLISTT_INTEL_VBT, "Intel Video-BIOS table" }, { BLOBLISTT_SMBIOS_TABLES, "SMBIOS tables for x86" }, { BLOBLISTT_VBOOT_CTX, "Chrome OS vboot context" }, -- cgit v1.2.3 From 1a2e02f955f98395142415d7c6cc14e4df903969 Mon Sep 17 00:00:00 2001 From: Simon Glass Date: Wed, 27 Dec 2023 13:07:00 -0800 Subject: bloblist: Adjust API to align in powers of 2 The updated bloblist structure stores the alignment as a power-of-two value in its structures. Adjust the API to use this, to avoid needing to calling ilog2(). Update the bloblist alignment from 16 bytes to 8 bytes. Drop a stale comment while we are here. Signed-off-by: Simon Glass Co-developed-by: Raymond Mao Signed-off-by: Raymond Mao Reviewed-by: Simon Glass Reviewed-by: Ilias Apalodimas --- common/bloblist.c | 24 +++++++++++------------- 1 file changed, 11 insertions(+), 13 deletions(-) (limited to 'common/bloblist.c') diff --git a/common/bloblist.c b/common/bloblist.c index 5606487f5bf..1e78a3d4b3e 100644 --- a/common/bloblist.c +++ b/common/bloblist.c @@ -26,8 +26,6 @@ * start address of the data in each blob is aligned as required. Note that * each blob's *data* is aligned to BLOBLIST_ALIGN regardless of the alignment * of the bloblist itself or the blob header. - * - * So far, only BLOBLIST_ALIGN alignment is supported. */ DECLARE_GLOBAL_DATA_PTR; @@ -128,24 +126,24 @@ static struct bloblist_rec *bloblist_findrec(uint tag) return NULL; } -static int bloblist_addrec(uint tag, int size, int align, +static int bloblist_addrec(uint tag, int size, int align_log2, struct bloblist_rec **recp) { struct bloblist_hdr *hdr = gd->bloblist; struct bloblist_rec *rec; int data_start, new_alloced; - if (!align) - align = BLOBLIST_ALIGN; + if (!align_log2) + align_log2 = BLOBLIST_ALIGN_LOG2; /* Figure out where the new data will start */ data_start = map_to_sysmem(hdr) + hdr->alloced + sizeof(*rec); /* Align the address and then calculate the offset from ->alloced */ - data_start = ALIGN(data_start, align) - map_to_sysmem(hdr); + data_start = ALIGN(data_start, 1U << align_log2) - map_to_sysmem(hdr); /* Calculate the new allocated total */ - new_alloced = data_start + ALIGN(size, align); + new_alloced = data_start + ALIGN(size, 1U << align_log2); if (new_alloced > hdr->size) { log_err("Failed to allocate %x bytes size=%x, need size=%x\n", @@ -169,7 +167,7 @@ static int bloblist_addrec(uint tag, int size, int align, } static int bloblist_ensurerec(uint tag, struct bloblist_rec **recp, int size, - int align) + int align_log2) { struct bloblist_rec *rec; @@ -182,7 +180,7 @@ static int bloblist_ensurerec(uint tag, struct bloblist_rec **recp, int size, } else { int ret; - ret = bloblist_addrec(tag, size, align, &rec); + ret = bloblist_addrec(tag, size, align_log2, &rec); if (ret) return ret; } @@ -204,22 +202,22 @@ void *bloblist_find(uint tag, int size) return (void *)rec + rec->hdr_size; } -void *bloblist_add(uint tag, int size, int align) +void *bloblist_add(uint tag, int size, int align_log2) { struct bloblist_rec *rec; - if (bloblist_addrec(tag, size, align, &rec)) + if (bloblist_addrec(tag, size, align_log2, &rec)) return NULL; return (void *)rec + rec->hdr_size; } -int bloblist_ensure_size(uint tag, int size, int align, void **blobp) +int bloblist_ensure_size(uint tag, int size, int align_log2, void **blobp) { struct bloblist_rec *rec; int ret; - ret = bloblist_ensurerec(tag, &rec, size, align); + ret = bloblist_ensurerec(tag, &rec, size, align_log2); if (ret) return ret; *blobp = (void *)rec + rec->hdr_size; -- cgit v1.2.3 From 1f06ed41cc18943e379894c5a3c3f4e6b9de73e3 Mon Sep 17 00:00:00 2001 From: Simon Glass Date: Wed, 27 Dec 2023 13:07:03 -0800 Subject: bloblist: Access record hdr_size and tag via a function Convert accesses to tag and hdr_size via function for grouping tag and hdr_size together later. Signed-off-by: Simon Glass Co-developed-by: Raymond Mao Signed-off-by: Raymond Mao Reviewed-by: Ilias Apalodimas --- common/bloblist.c | 38 +++++++++++++++++++++++++------------- 1 file changed, 25 insertions(+), 13 deletions(-) (limited to 'common/bloblist.c') diff --git a/common/bloblist.c b/common/bloblist.c index 1e78a3d4b3e..168993e0a7b 100644 --- a/common/bloblist.c +++ b/common/bloblist.c @@ -84,13 +84,23 @@ static struct bloblist_rec *bloblist_first_blob(struct bloblist_hdr *hdr) return (struct bloblist_rec *)((void *)hdr + hdr->hdr_size); } +static inline uint rec_hdr_size(struct bloblist_rec *rec) +{ + return rec->hdr_size; +} + +static inline uint rec_tag(struct bloblist_rec *rec) +{ + return rec->tag; +} + static ulong bloblist_blob_end_ofs(struct bloblist_hdr *hdr, struct bloblist_rec *rec) { ulong offset; offset = (void *)rec - (void *)hdr; - offset += rec->hdr_size + ALIGN(rec->size, BLOBLIST_ALIGN); + offset += rec_hdr_size(rec) + ALIGN(rec->size, BLOBLIST_ALIGN); return offset; } @@ -119,7 +129,7 @@ static struct bloblist_rec *bloblist_findrec(uint tag) return NULL; foreach_rec(rec, hdr) { - if (rec->tag == tag) + if (rec_tag(rec) == tag) return rec; } @@ -158,7 +168,7 @@ static int bloblist_addrec(uint tag, int size, int align_log2, rec->spare = 0; /* Zero the record data */ - memset((void *)rec + rec->hdr_size, '\0', rec->size); + memset((void *)rec + rec_hdr_size(rec), '\0', rec->size); hdr->alloced = new_alloced; *recp = rec; @@ -199,7 +209,7 @@ void *bloblist_find(uint tag, int size) if (size && size != rec->size) return NULL; - return (void *)rec + rec->hdr_size; + return (void *)rec + rec_hdr_size(rec); } void *bloblist_add(uint tag, int size, int align_log2) @@ -209,7 +219,7 @@ void *bloblist_add(uint tag, int size, int align_log2) if (bloblist_addrec(tag, size, align_log2, &rec)) return NULL; - return (void *)rec + rec->hdr_size; + return (void *)rec + rec_hdr_size(rec); } int bloblist_ensure_size(uint tag, int size, int align_log2, void **blobp) @@ -220,7 +230,7 @@ int bloblist_ensure_size(uint tag, int size, int align_log2, void **blobp) ret = bloblist_ensurerec(tag, &rec, size, align_log2); if (ret) return ret; - *blobp = (void *)rec + rec->hdr_size; + *blobp = (void *)rec + rec_hdr_size(rec); return 0; } @@ -232,7 +242,7 @@ void *bloblist_ensure(uint tag, int size) if (bloblist_ensurerec(tag, &rec, size, 0)) return NULL; - return (void *)rec + rec->hdr_size; + return (void *)rec + rec_hdr_size(rec); } int bloblist_ensure_size_ret(uint tag, int *sizep, void **blobp) @@ -245,7 +255,7 @@ int bloblist_ensure_size_ret(uint tag, int *sizep, void **blobp) *sizep = rec->size; else if (ret) return ret; - *blobp = (void *)rec + rec->hdr_size; + *blobp = (void *)rec + rec_hdr_size(rec); return 0; } @@ -281,7 +291,7 @@ static int bloblist_resize_rec(struct bloblist_hdr *hdr, /* Zero the new part of the blob */ if (expand_by > 0) { - memset((void *)rec + rec->hdr_size + rec->size, '\0', + memset((void *)rec + rec_hdr_size(rec) + rec->size, '\0', new_size - rec->size); } @@ -315,8 +325,9 @@ static u32 bloblist_calc_chksum(struct bloblist_hdr *hdr) chksum = crc32(0, (unsigned char *)hdr, offsetof(struct bloblist_hdr, chksum)); foreach_rec(rec, hdr) { - chksum = crc32(chksum, (void *)rec, rec->hdr_size); - chksum = crc32(chksum, (void *)rec + rec->hdr_size, rec->size); + chksum = crc32(chksum, (void *)rec, rec_hdr_size(rec)); + chksum = crc32(chksum, (void *)rec + rec_hdr_size(rec), + rec->size); } return chksum; @@ -424,8 +435,9 @@ void bloblist_show_list(void) for (rec = bloblist_first_blob(hdr); rec; rec = bloblist_next_blob(hdr, rec)) { printf("%08lx %8x %4x %s\n", - (ulong)map_to_sysmem((void *)rec + rec->hdr_size), - rec->size, rec->tag, bloblist_tag_name(rec->tag)); + (ulong)map_to_sysmem((void *)rec + rec_hdr_size(rec)), + rec->size, rec_tag(rec), + bloblist_tag_name(rec_tag(rec))); } } -- cgit v1.2.3 From 47e1047b0cc25269124737696971ab0c3187666d Mon Sep 17 00:00:00 2001 From: Simon Glass Date: Wed, 27 Dec 2023 13:07:04 -0800 Subject: bloblist: Drop spare value from bloblist record Drop spare value from bloblist record header. For now it is still present in the header, with an underscore, so that tests continue to pass. Signed-off-by: Simon Glass Co-developed-by: Raymond Mao Signed-off-by: Raymond Mao --- common/bloblist.c | 1 - 1 file changed, 1 deletion(-) (limited to 'common/bloblist.c') diff --git a/common/bloblist.c b/common/bloblist.c index 168993e0a7b..88e2a0f5c06 100644 --- a/common/bloblist.c +++ b/common/bloblist.c @@ -165,7 +165,6 @@ static int bloblist_addrec(uint tag, int size, int align_log2, rec->tag = tag; rec->hdr_size = data_start - hdr->alloced; rec->size = size; - rec->spare = 0; /* Zero the record data */ memset((void *)rec + rec_hdr_size(rec), '\0', rec->size); -- cgit v1.2.3 From 997dac6edebe5b82f4d6f9b90753f0af6e9d04f0 Mon Sep 17 00:00:00 2001 From: Simon Glass Date: Wed, 27 Dec 2023 13:07:05 -0800 Subject: bloblist: Checksum the entire bloblist Use a sinple 8-bit checksum for bloblist, as specified by the spec version 0.9. Spec v0.9 specifies that the entire bloblist area is checksummed, including unused portions. Update the code to follow this. Signed-off-by: Simon Glass Co-developed-by: Raymond Mao Signed-off-by: Raymond Mao Reviewed-by: Ilias Apalodimas --- common/bloblist.c | 13 ++++--------- 1 file changed, 4 insertions(+), 9 deletions(-) (limited to 'common/bloblist.c') diff --git a/common/bloblist.c b/common/bloblist.c index 88e2a0f5c06..705d9c6ae99 100644 --- a/common/bloblist.c +++ b/common/bloblist.c @@ -13,6 +13,7 @@ #include #include #include +#include #include #include @@ -318,16 +319,10 @@ int bloblist_resize(uint tag, int new_size) static u32 bloblist_calc_chksum(struct bloblist_hdr *hdr) { - struct bloblist_rec *rec; - u32 chksum; + u8 chksum; - chksum = crc32(0, (unsigned char *)hdr, - offsetof(struct bloblist_hdr, chksum)); - foreach_rec(rec, hdr) { - chksum = crc32(chksum, (void *)rec, rec_hdr_size(rec)); - chksum = crc32(chksum, (void *)rec + rec_hdr_size(rec), - rec->size); - } + chksum = table_compute_checksum(hdr, hdr->alloced); + chksum += hdr->chksum; return chksum; } -- cgit v1.2.3 From f9ef9fb033d5ea29d0a72349fea9d0e55a528d36 Mon Sep 17 00:00:00 2001 From: Simon Glass Date: Wed, 27 Dec 2023 13:07:06 -0800 Subject: bloblist: Handle alignment with a void entry Rather than setting the alignment using the header size, add an entirely new entry to cover the gap left by the alignment. Signed-off-by: Simon Glass Co-developed-by: Raymond Mao Signed-off-by: Raymond Mao Reviewed-by: Simon Glass Reviewed-by: Ilias Apalodimas --- common/bloblist.c | 23 +++++++++++++++++++---- 1 file changed, 19 insertions(+), 4 deletions(-) (limited to 'common/bloblist.c') diff --git a/common/bloblist.c b/common/bloblist.c index 705d9c6ae99..73dbbc01c08 100644 --- a/common/bloblist.c +++ b/common/bloblist.c @@ -142,7 +142,7 @@ static int bloblist_addrec(uint tag, int size, int align_log2, { struct bloblist_hdr *hdr = gd->bloblist; struct bloblist_rec *rec; - int data_start, new_alloced; + int data_start, aligned_start, new_alloced; if (!align_log2) align_log2 = BLOBLIST_ALIGN_LOG2; @@ -151,10 +151,25 @@ static int bloblist_addrec(uint tag, int size, int align_log2, data_start = map_to_sysmem(hdr) + hdr->alloced + sizeof(*rec); /* Align the address and then calculate the offset from ->alloced */ - data_start = ALIGN(data_start, 1U << align_log2) - map_to_sysmem(hdr); + aligned_start = ALIGN(data_start, 1U << align_log2) - data_start; + + /* If we need to create a dummy record, create it */ + if (aligned_start) { + int void_size = aligned_start - sizeof(*rec); + struct bloblist_rec *vrec; + int ret; + + ret = bloblist_addrec(BLOBLISTT_VOID, void_size, 0, &vrec); + if (ret) + return log_msg_ret("void", ret); + + /* start the record after that */ + data_start = map_to_sysmem(hdr) + hdr->alloced + sizeof(*vrec); + } /* Calculate the new allocated total */ - new_alloced = data_start + ALIGN(size, 1U << align_log2); + new_alloced = data_start - map_to_sysmem(hdr) + + ALIGN(size, 1U << align_log2); if (new_alloced > hdr->size) { log_err("Failed to allocate %x bytes size=%x, need size=%x\n", @@ -164,7 +179,7 @@ static int bloblist_addrec(uint tag, int size, int align_log2, rec = (void *)hdr + hdr->alloced; rec->tag = tag; - rec->hdr_size = data_start - hdr->alloced; + rec->hdr_size = sizeof(struct bloblist_rec); rec->size = size; /* Zero the record data */ -- cgit v1.2.3 From b6e83826ef1f4d04d350e4d2c03e3b28ab1b0ae4 Mon Sep 17 00:00:00 2001 From: Simon Glass Date: Wed, 27 Dec 2023 13:07:07 -0800 Subject: bloblist: Reduce blob-header size The v0.9 spec provides for an 8-byte header for each blob, with fewer fields. The blob data start address should be aligned to the alignment specified by the bloblist header. Update the implementation to match this. Signed-off-by: Simon Glass Co-developed-by: Raymond Mao Signed-off-by: Raymond Mao --- common/bloblist.c | 23 +++++++++++++++-------- 1 file changed, 15 insertions(+), 8 deletions(-) (limited to 'common/bloblist.c') diff --git a/common/bloblist.c b/common/bloblist.c index 73dbbc01c08..1c97d61e4aa 100644 --- a/common/bloblist.c +++ b/common/bloblist.c @@ -87,12 +87,14 @@ static struct bloblist_rec *bloblist_first_blob(struct bloblist_hdr *hdr) static inline uint rec_hdr_size(struct bloblist_rec *rec) { - return rec->hdr_size; + return (rec->tag_and_hdr_size & BLOBLISTR_HDR_SIZE_MASK) >> + BLOBLISTR_HDR_SIZE_SHIFT; } static inline uint rec_tag(struct bloblist_rec *rec) { - return rec->tag; + return (rec->tag_and_hdr_size & BLOBLISTR_TAG_MASK) >> + BLOBLISTR_TAG_SHIFT; } static ulong bloblist_blob_end_ofs(struct bloblist_hdr *hdr, @@ -101,7 +103,13 @@ static ulong bloblist_blob_end_ofs(struct bloblist_hdr *hdr, ulong offset; offset = (void *)rec - (void *)hdr; - offset += rec_hdr_size(rec) + ALIGN(rec->size, BLOBLIST_ALIGN); + /* + * The data section of next TE should start from an address aligned + * to 1 << hdr->align_log2. + */ + offset += rec_hdr_size(rec) + rec->size; + offset = round_up(offset + rec_hdr_size(rec), 1 << hdr->align_log2); + offset -= rec_hdr_size(rec); return offset; } @@ -145,7 +153,7 @@ static int bloblist_addrec(uint tag, int size, int align_log2, int data_start, aligned_start, new_alloced; if (!align_log2) - align_log2 = BLOBLIST_ALIGN_LOG2; + align_log2 = BLOBLIST_BLOB_ALIGN_LOG2; /* Figure out where the new data will start */ data_start = map_to_sysmem(hdr) + hdr->alloced + sizeof(*rec); @@ -178,8 +186,7 @@ static int bloblist_addrec(uint tag, int size, int align_log2, } rec = (void *)hdr + hdr->alloced; - rec->tag = tag; - rec->hdr_size = sizeof(struct bloblist_rec); + rec->tag_and_hdr_size = tag | sizeof(*rec) << BLOBLISTR_HDR_SIZE_SHIFT; rec->size = size; /* Zero the record data */ @@ -283,8 +290,8 @@ static int bloblist_resize_rec(struct bloblist_hdr *hdr, int new_alloced; /* New value for @hdr->alloced */ ulong next_ofs; /* Offset of the record after @rec */ - expand_by = ALIGN(new_size - rec->size, BLOBLIST_ALIGN); - new_alloced = ALIGN(hdr->alloced + expand_by, BLOBLIST_ALIGN); + expand_by = ALIGN(new_size - rec->size, BLOBLIST_BLOB_ALIGN); + new_alloced = ALIGN(hdr->alloced + expand_by, BLOBLIST_BLOB_ALIGN); if (new_size < 0) { log_debug("Attempt to shrink blob size below 0 (%x)\n", new_size); -- cgit v1.2.3 From b86b2d940caf27aa80b7c657e48770349e15491b Mon Sep 17 00:00:00 2001 From: Simon Glass Date: Wed, 27 Dec 2023 13:07:08 -0800 Subject: bloblist: Adjust the bloblist header The v0.9 spec provides for a 24-byte header. Update the implementation to match this. Rename the fields of the bloblist header to align to the spec. Adds an alignment field into the bloblist header. Update the related bloblist APIs and UT testcases. Signed-off-by: Simon Glass Co-developed-by: Raymond Mao Signed-off-by: Raymond Mao Reviewed-by: Ilias Apalodimas --- common/bloblist.c | 86 ++++++++++++++++++++++++++++++++----------------------- 1 file changed, 50 insertions(+), 36 deletions(-) (limited to 'common/bloblist.c') diff --git a/common/bloblist.c b/common/bloblist.c index 1c97d61e4aa..6e019087ff9 100644 --- a/common/bloblist.c +++ b/common/bloblist.c @@ -80,7 +80,7 @@ const char *bloblist_tag_name(enum bloblist_tag_t tag) static struct bloblist_rec *bloblist_first_blob(struct bloblist_hdr *hdr) { - if (hdr->alloced <= hdr->hdr_size) + if (hdr->used_size <= hdr->hdr_size) return NULL; return (struct bloblist_rec *)((void *)hdr + hdr->hdr_size); } @@ -119,7 +119,7 @@ static struct bloblist_rec *bloblist_next_blob(struct bloblist_hdr *hdr, { ulong offset = bloblist_blob_end_ofs(hdr, rec); - if (offset >= hdr->alloced) + if (offset >= hdr->used_size) return NULL; return (struct bloblist_rec *)((void *)hdr + offset); } @@ -156,9 +156,9 @@ static int bloblist_addrec(uint tag, int size, int align_log2, align_log2 = BLOBLIST_BLOB_ALIGN_LOG2; /* Figure out where the new data will start */ - data_start = map_to_sysmem(hdr) + hdr->alloced + sizeof(*rec); + data_start = map_to_sysmem(hdr) + hdr->used_size + sizeof(*rec); - /* Align the address and then calculate the offset from ->alloced */ + /* Align the address and then calculate the offset from used size */ aligned_start = ALIGN(data_start, 1U << align_log2) - data_start; /* If we need to create a dummy record, create it */ @@ -172,19 +172,20 @@ static int bloblist_addrec(uint tag, int size, int align_log2, return log_msg_ret("void", ret); /* start the record after that */ - data_start = map_to_sysmem(hdr) + hdr->alloced + sizeof(*vrec); + data_start = map_to_sysmem(hdr) + hdr->used_size + sizeof(*vrec); } /* Calculate the new allocated total */ new_alloced = data_start - map_to_sysmem(hdr) + ALIGN(size, 1U << align_log2); - if (new_alloced > hdr->size) { - log_err("Failed to allocate %x bytes size=%x, need size=%x\n", - size, hdr->size, new_alloced); + if (new_alloced > hdr->total_size) { + log_err("Failed to allocate %x bytes\n", size); + log_err("Used size=%x, total size=%x\n", + hdr->used_size, hdr->total_size); return log_msg_ret("bloblist add", -ENOSPC); } - rec = (void *)hdr + hdr->alloced; + rec = (void *)hdr + hdr->used_size; rec->tag_and_hdr_size = tag | sizeof(*rec) << BLOBLISTR_HDR_SIZE_SHIFT; rec->size = size; @@ -192,7 +193,7 @@ static int bloblist_addrec(uint tag, int size, int align_log2, /* Zero the record data */ memset((void *)rec + rec_hdr_size(rec), '\0', rec->size); - hdr->alloced = new_alloced; + hdr->used_size = new_alloced; *recp = rec; return 0; @@ -287,29 +288,30 @@ static int bloblist_resize_rec(struct bloblist_hdr *hdr, int new_size) { int expand_by; /* Number of bytes to expand by (-ve to contract) */ - int new_alloced; /* New value for @hdr->alloced */ + int new_alloced; ulong next_ofs; /* Offset of the record after @rec */ expand_by = ALIGN(new_size - rec->size, BLOBLIST_BLOB_ALIGN); - new_alloced = ALIGN(hdr->alloced + expand_by, BLOBLIST_BLOB_ALIGN); + new_alloced = ALIGN(hdr->used_size + expand_by, BLOBLIST_BLOB_ALIGN); if (new_size < 0) { log_debug("Attempt to shrink blob size below 0 (%x)\n", new_size); return log_msg_ret("size", -EINVAL); } - if (new_alloced > hdr->size) { - log_err("Failed to allocate %x bytes size=%x, need size=%x\n", - new_size, hdr->size, new_alloced); + if (new_alloced > hdr->total_size) { + log_err("Failed to allocate %x bytes\n", new_size); + log_err("Used size=%x, total size=%x\n", + hdr->used_size, hdr->total_size); return log_msg_ret("alloc", -ENOSPC); } /* Move the following blobs up or down, if this is not the last */ next_ofs = bloblist_blob_end_ofs(hdr, rec); - if (next_ofs != hdr->alloced) { + if (next_ofs != hdr->used_size) { memmove((void *)hdr + next_ofs + expand_by, (void *)hdr + next_ofs, new_alloced - next_ofs); } - hdr->alloced = new_alloced; + hdr->used_size = new_alloced; /* Zero the new part of the blob */ if (expand_by > 0) { @@ -343,7 +345,7 @@ static u32 bloblist_calc_chksum(struct bloblist_hdr *hdr) { u8 chksum; - chksum = table_compute_checksum(hdr, hdr->alloced); + chksum = table_compute_checksum(hdr, hdr->used_size); chksum += hdr->chksum; return chksum; @@ -363,8 +365,8 @@ int bloblist_new(ulong addr, uint size, uint flags) hdr->hdr_size = sizeof(*hdr); hdr->flags = flags; hdr->magic = BLOBLIST_MAGIC; - hdr->size = size; - hdr->alloced = hdr->hdr_size; + hdr->used_size = hdr->hdr_size; + hdr->total_size = size; hdr->chksum = 0; gd->bloblist = hdr; @@ -381,8 +383,13 @@ int bloblist_check(ulong addr, uint size) return log_msg_ret("Bad magic", -ENOENT); if (hdr->version != BLOBLIST_VERSION) return log_msg_ret("Bad version", -EPROTONOSUPPORT); - if (size && hdr->size != size) - return log_msg_ret("Bad size", -EFBIG); + if (!hdr->total_size || (size && hdr->total_size != size)) + return log_msg_ret("Bad total size", -EFBIG); + if (hdr->used_size > hdr->total_size) + return log_msg_ret("Bad used size", -ENOENT); + if (hdr->hdr_size != sizeof(struct bloblist_hdr)) + return log_msg_ret("Bad header size", -ENOENT); + chksum = bloblist_calc_chksum(hdr); if (hdr->chksum != chksum) { log_err("Checksum %x != %x\n", hdr->chksum, chksum); @@ -398,7 +405,7 @@ int bloblist_finish(void) struct bloblist_hdr *hdr = gd->bloblist; hdr->chksum = bloblist_calc_chksum(hdr); - log_debug("Finished bloblist size %lx at %lx\n", (ulong)hdr->size, + log_debug("Finished bloblist size %lx at %lx\n", (ulong)hdr->used_size, (ulong)map_to_sysmem(hdr)); return 0; @@ -413,33 +420,40 @@ ulong bloblist_get_size(void) { struct bloblist_hdr *hdr = gd->bloblist; - return hdr->size; + return hdr->used_size; +} + +ulong bloblist_get_total_size(void) +{ + struct bloblist_hdr *hdr = gd->bloblist; + + return hdr->total_size; } -void bloblist_get_stats(ulong *basep, ulong *sizep, ulong *allocedp) +void bloblist_get_stats(ulong *basep, ulong *tsizep, ulong *usizep) { struct bloblist_hdr *hdr = gd->bloblist; *basep = map_to_sysmem(gd->bloblist); - *sizep = hdr->size; - *allocedp = hdr->alloced; + *tsizep = hdr->total_size; + *usizep = hdr->used_size; } static void show_value(const char *prompt, ulong value) { - printf("%s:%*s %-5lx ", prompt, 8 - (int)strlen(prompt), "", value); + printf("%s:%*s %-5lx ", prompt, 10 - (int)strlen(prompt), "", value); print_size(value, "\n"); } void bloblist_show_stats(void) { - ulong base, size, alloced; + ulong base, tsize, usize; - bloblist_get_stats(&base, &size, &alloced); - printf("base: %lx\n", base); - show_value("size", size); - show_value("alloced", alloced); - show_value("free", size - alloced); + bloblist_get_stats(&base, &tsize, &usize); + printf("base: %lx\n", base); + show_value("total size", tsize); + show_value("used size", usize); + show_value("free", tsize - usize); } void bloblist_show_list(void) @@ -463,7 +477,7 @@ void bloblist_reloc(void *to, uint to_size, void *from, uint from_size) memcpy(to, from, from_size); hdr = to; - hdr->size = to_size; + hdr->total_size = to_size; } int bloblist_init(void) @@ -493,7 +507,7 @@ int bloblist_init(void) addr, ret); } else { /* Get the real size, if it is not what we expected */ - size = gd->bloblist->size; + size = gd->bloblist->total_size; } } if (ret) { -- cgit v1.2.3 From 7d790a80b67958b49da591d32662c4b168737012 Mon Sep 17 00:00:00 2001 From: Simon Glass Date: Wed, 27 Dec 2023 13:07:09 -0800 Subject: bloblist: Add alignment to bloblist_new() Allow the alignment to be specified when creating a bloblist. Signed-off-by: Simon Glass Co-developed-by: Raymond Mao Signed-off-by: Raymond Mao Reviewed-by: Ilias Apalodimas --- common/bloblist.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) (limited to 'common/bloblist.c') diff --git a/common/bloblist.c b/common/bloblist.c index 6e019087ff9..2d373910b6d 100644 --- a/common/bloblist.c +++ b/common/bloblist.c @@ -351,7 +351,7 @@ static u32 bloblist_calc_chksum(struct bloblist_hdr *hdr) return chksum; } -int bloblist_new(ulong addr, uint size, uint flags) +int bloblist_new(ulong addr, uint size, uint flags, uint align_log2) { struct bloblist_hdr *hdr; @@ -367,6 +367,7 @@ int bloblist_new(ulong addr, uint size, uint flags) hdr->magic = BLOBLIST_MAGIC; hdr->used_size = hdr->hdr_size; hdr->total_size = size; + hdr->align_log2 = align_log2 ? align_log2 : BLOBLIST_BLOB_ALIGN_LOG2; hdr->chksum = 0; gd->bloblist = hdr; @@ -522,7 +523,7 @@ int bloblist_init(void) } log_debug("Creating new bloblist size %lx at %lx\n", size, addr); - ret = bloblist_new(addr, size, 0); + ret = bloblist_new(addr, size, 0, 0); } else { log_debug("Found existing bloblist size %lx at %lx\n", size, addr); -- cgit v1.2.3