The dev_ prefix is a hangover from the pre-driver model days. The device is now a different thing, with driver model. Update the efi code to just use 'desc'.
Signed-off-by: Simon Glass sjg@chromium.org ---
(no changes since v1)
disk/part_efi.c | 228 ++++++++++++++++++++++++------------------------ 1 file changed, 112 insertions(+), 116 deletions(-)
diff --git a/disk/part_efi.c b/disk/part_efi.c index 80a44dc9f072..4ac21868d088 100644 --- a/disk/part_efi.c +++ b/disk/part_efi.c @@ -51,12 +51,12 @@ static inline u32 efi_crc32(const void *buf, u32 len)
static int pmbr_part_valid(struct partition *part); static int is_pmbr_valid(legacy_mbr * mbr); -static int is_gpt_valid(struct blk_desc *dev_desc, u64 lba, - gpt_header *pgpt_head, gpt_entry **pgpt_pte); -static gpt_entry *alloc_read_gpt_entries(struct blk_desc *dev_desc, +static int is_gpt_valid(struct blk_desc *desc, u64 lba, gpt_header *pgpt_head, + gpt_entry **pgpt_pte); +static gpt_entry *alloc_read_gpt_entries(struct blk_desc *desc, gpt_header *pgpt_head); static int is_pte_valid(gpt_entry * pte); -static int find_valid_gpt(struct blk_desc *dev_desc, gpt_header *gpt_head, +static int find_valid_gpt(struct blk_desc *desc, gpt_header *gpt_head, gpt_entry **pgpt_pte);
static char *print_efiname(gpt_entry *pte) @@ -195,14 +195,14 @@ static void prepare_backup_gpt_header(gpt_header *gpt_h) * UUID is displayed as 32 hexadecimal digits, in 5 groups, * separated by hyphens, in the form 8-4-4-4-12 for a total of 36 characters */ -int get_disk_guid(struct blk_desc * dev_desc, char *guid) +int get_disk_guid(struct blk_desc *desc, char *guid) { - ALLOC_CACHE_ALIGN_BUFFER_PAD(gpt_header, gpt_head, 1, dev_desc->blksz); + ALLOC_CACHE_ALIGN_BUFFER_PAD(gpt_header, gpt_head, 1, desc->blksz); gpt_entry *gpt_pte = NULL; unsigned char *guid_bin;
/* This function validates AND fills in the GPT header and PTE */ - if (find_valid_gpt(dev_desc, gpt_head, &gpt_pte) != 1) + if (find_valid_gpt(desc, gpt_head, &gpt_pte) != 1) return -EINVAL;
guid_bin = gpt_head->disk_guid.b; @@ -213,15 +213,15 @@ int get_disk_guid(struct blk_desc * dev_desc, char *guid) return 0; }
-void part_print_efi(struct blk_desc *dev_desc) +void part_print_efi(struct blk_desc *desc) { - ALLOC_CACHE_ALIGN_BUFFER_PAD(gpt_header, gpt_head, 1, dev_desc->blksz); + ALLOC_CACHE_ALIGN_BUFFER_PAD(gpt_header, gpt_head, 1, desc->blksz); gpt_entry *gpt_pte = NULL; int i = 0; unsigned char *uuid;
/* This function validates AND fills in the GPT header and PTE */ - if (find_valid_gpt(dev_desc, gpt_head, &gpt_pte) != 1) + if (find_valid_gpt(desc, gpt_head, &gpt_pte) != 1) return;
debug("%s: gpt-entry at %p\n", __func__, gpt_pte); @@ -255,10 +255,10 @@ void part_print_efi(struct blk_desc *dev_desc) return; }
-int part_get_info_efi(struct blk_desc *dev_desc, int part, +int part_get_info_efi(struct blk_desc *desc, int part, struct disk_partition *info) { - ALLOC_CACHE_ALIGN_BUFFER_PAD(gpt_header, gpt_head, 1, dev_desc->blksz); + ALLOC_CACHE_ALIGN_BUFFER_PAD(gpt_header, gpt_head, 1, desc->blksz); gpt_entry *gpt_pte = NULL;
/* "part" argument must be at least 1 */ @@ -268,7 +268,7 @@ int part_get_info_efi(struct blk_desc *dev_desc, int part, }
/* This function validates AND fills in the GPT header and PTE */ - if (find_valid_gpt(dev_desc, gpt_head, &gpt_pte) != 1) + if (find_valid_gpt(desc, gpt_head, &gpt_pte) != 1) return -EINVAL;
if (part > le32_to_cpu(gpt_head->num_partition_entries) || @@ -283,7 +283,7 @@ int part_get_info_efi(struct blk_desc *dev_desc, int part, /* The ending LBA is inclusive, to calculate size, add 1 to it */ info->size = (lbaint_t)le64_to_cpu(gpt_pte[part - 1].ending_lba) + 1 - info->start; - info->blksz = dev_desc->blksz; + info->blksz = desc->blksz;
snprintf((char *)info->name, sizeof(info->name), "%s", print_efiname(&gpt_pte[part - 1])); @@ -306,12 +306,12 @@ int part_get_info_efi(struct blk_desc *dev_desc, int part, return 0; }
-static int part_test_efi(struct blk_desc *dev_desc) +static int part_test_efi(struct blk_desc *desc) { - ALLOC_CACHE_ALIGN_BUFFER_PAD(legacy_mbr, legacymbr, 1, dev_desc->blksz); + ALLOC_CACHE_ALIGN_BUFFER_PAD(legacy_mbr, legacymbr, 1, desc->blksz);
/* Read legacy MBR from block 0 and validate it */ - if ((blk_dread(dev_desc, 0, 1, (ulong *)legacymbr) != 1) + if ((blk_dread(desc, 0, 1, (ulong *)legacymbr) != 1) || (is_pmbr_valid(legacymbr) != 1)) { return -1; } @@ -320,23 +320,23 @@ static int part_test_efi(struct blk_desc *dev_desc)
/** * set_protective_mbr(): Set the EFI protective MBR - * @param dev_desc - block device descriptor + * @param desc - block device descriptor * * Return: - zero on success, otherwise error */ -static int set_protective_mbr(struct blk_desc *dev_desc) +static int set_protective_mbr(struct blk_desc *desc) { /* Setup the Protective MBR */ - ALLOC_CACHE_ALIGN_BUFFER_PAD(legacy_mbr, p_mbr, 1, dev_desc->blksz); + ALLOC_CACHE_ALIGN_BUFFER_PAD(legacy_mbr, p_mbr, 1, desc->blksz); if (p_mbr == NULL) { log_debug("calloc failed!\n"); return -ENOMEM; }
/* Read MBR to backup boot code if it exists */ - if (blk_dread(dev_desc, 0, 1, p_mbr) != 1) { + if (blk_dread(desc, 0, 1, p_mbr) != 1) { log_debug("** Can't read from device %d **\n", - dev_desc->devnum); + desc->devnum); return -EIO; }
@@ -348,27 +348,26 @@ static int set_protective_mbr(struct blk_desc *dev_desc) p_mbr->signature = MSDOS_MBR_SIGNATURE; p_mbr->partition_record[0].sys_ind = EFI_PMBR_OSTYPE_EFI_GPT; p_mbr->partition_record[0].start_sect = 1; - p_mbr->partition_record[0].nr_sects = (u32) dev_desc->lba - 1; + p_mbr->partition_record[0].nr_sects = (u32)desc->lba - 1;
/* Write MBR sector to the MMC device */ - if (blk_dwrite(dev_desc, 0, 1, p_mbr) != 1) { - log_debug("** Can't write to device %d **\n", dev_desc->devnum); + if (blk_dwrite(desc, 0, 1, p_mbr) != 1) { + log_debug("** Can't write to device %d **\n", desc->devnum); return -EIO; }
return 0; }
-int write_gpt_table(struct blk_desc *dev_desc, - gpt_header *gpt_h, gpt_entry *gpt_e) +int write_gpt_table(struct blk_desc *desc, gpt_header *gpt_h, gpt_entry *gpt_e) { const int pte_blk_cnt = BLOCK_CNT((gpt_h->num_partition_entries - * sizeof(gpt_entry)), dev_desc); + * sizeof(gpt_entry)), desc); u32 calc_crc32;
- debug("max lba: %x\n", (u32) dev_desc->lba); + debug("max lba: %x\n", (u32)desc->lba); /* Setup the Protective MBR */ - if (set_protective_mbr(dev_desc) < 0) + if (set_protective_mbr(desc) < 0) goto err;
/* Generate CRC for the Primary GPT Header */ @@ -382,20 +381,20 @@ int write_gpt_table(struct blk_desc *dev_desc, gpt_h->header_crc32 = cpu_to_le32(calc_crc32);
/* Write the First GPT to the block right after the Legacy MBR */ - if (blk_dwrite(dev_desc, 1, 1, gpt_h) != 1) + if (blk_dwrite(desc, 1, 1, gpt_h) != 1) goto err;
- if (blk_dwrite(dev_desc, le64_to_cpu(gpt_h->partition_entry_lba), + if (blk_dwrite(desc, le64_to_cpu(gpt_h->partition_entry_lba), pte_blk_cnt, gpt_e) != pte_blk_cnt) goto err;
prepare_backup_gpt_header(gpt_h);
- if (blk_dwrite(dev_desc, (lbaint_t)le64_to_cpu(gpt_h->last_usable_lba) + if (blk_dwrite(desc, (lbaint_t)le64_to_cpu(gpt_h->last_usable_lba) + 1, pte_blk_cnt, gpt_e) != pte_blk_cnt) goto err;
- if (blk_dwrite(dev_desc, (lbaint_t)le64_to_cpu(gpt_h->my_lba), 1, + if (blk_dwrite(desc, (lbaint_t)le64_to_cpu(gpt_h->my_lba), 1, gpt_h) != 1) goto err;
@@ -403,11 +402,11 @@ int write_gpt_table(struct blk_desc *dev_desc, return 0;
err: - log_debug("** Can't write to device %d **\n", dev_desc->devnum); + log_debug("** Can't write to device %d **\n", desc->devnum); return -EIO; }
-int gpt_fill_pte(struct blk_desc *dev_desc, +int gpt_fill_pte(struct blk_desc *desc, gpt_header *gpt_h, gpt_entry *gpt_e, struct disk_partition *partitions, int parts) { @@ -430,7 +429,7 @@ int gpt_fill_pte(struct blk_desc *dev_desc, size_t pte_start = gpt_h->partition_entry_lba; size_t pte_end = pte_start + gpt_h->num_partition_entries * gpt_h->sizeof_partition_entry / - dev_desc->blksz; + desc->blksz;
for (i = 0; i < parts; i++) { /* partition starting lba */ @@ -527,7 +526,7 @@ int gpt_fill_pte(struct blk_desc *dev_desc, return 0; }
-static uint32_t partition_entries_offset(struct blk_desc *dev_desc) +static uint32_t partition_entries_offset(struct blk_desc *desc) { uint32_t offset_blks = 2; uint32_t __maybe_unused offset_bytes; @@ -543,8 +542,8 @@ static uint32_t partition_entries_offset(struct blk_desc *dev_desc) * CONFIG_EFI_PARTITION_ENTRIES_OFF. */ offset_bytes = - PAD_TO_BLOCKSIZE(CONFIG_EFI_PARTITION_ENTRIES_OFF, dev_desc); - offset_blks = offset_bytes / dev_desc->blksz; + PAD_TO_BLOCKSIZE(CONFIG_EFI_PARTITION_ENTRIES_OFF, desc); + offset_blks = offset_bytes / desc->blksz; #endif
#if defined(CONFIG_OF_CONTROL) @@ -556,8 +555,8 @@ static uint32_t partition_entries_offset(struct blk_desc *dev_desc) config_offset = ofnode_conf_read_int( "u-boot,efi-partition-entries-offset", -EINVAL); if (config_offset != -EINVAL) { - offset_bytes = PAD_TO_BLOCKSIZE(config_offset, dev_desc); - offset_blks = offset_bytes / dev_desc->blksz; + offset_bytes = PAD_TO_BLOCKSIZE(config_offset, desc); + offset_blks = offset_bytes / desc->blksz; } #endif
@@ -573,17 +572,17 @@ static uint32_t partition_entries_offset(struct blk_desc *dev_desc) return offset_blks; }
-int gpt_fill_header(struct blk_desc *dev_desc, gpt_header *gpt_h, - char *str_guid, int parts_count) +int gpt_fill_header(struct blk_desc *desc, gpt_header *gpt_h, char *str_guid, + int parts_count) { gpt_h->signature = cpu_to_le64(GPT_HEADER_SIGNATURE_UBOOT); gpt_h->revision = cpu_to_le32(GPT_HEADER_REVISION_V1); gpt_h->header_size = cpu_to_le32(sizeof(gpt_header)); gpt_h->my_lba = cpu_to_le64(1); - gpt_h->alternate_lba = cpu_to_le64(dev_desc->lba - 1); - gpt_h->last_usable_lba = cpu_to_le64(dev_desc->lba - 34); + gpt_h->alternate_lba = cpu_to_le64(desc->lba - 1); + gpt_h->last_usable_lba = cpu_to_le64(desc->lba - 34); gpt_h->partition_entry_lba = - cpu_to_le64(partition_entries_offset(dev_desc)); + cpu_to_le64(partition_entries_offset(desc)); gpt_h->first_usable_lba = cpu_to_le64(le64_to_cpu(gpt_h->partition_entry_lba) + 32); gpt_h->num_partition_entries = cpu_to_le32(GPT_ENTRY_NUMBERS); @@ -597,14 +596,14 @@ int gpt_fill_header(struct blk_desc *dev_desc, gpt_header *gpt_h, return 0; }
-int gpt_restore(struct blk_desc *dev_desc, char *str_disk_guid, +int gpt_restore(struct blk_desc *desc, char *str_disk_guid, struct disk_partition *partitions, int parts_count) { gpt_header *gpt_h; gpt_entry *gpt_e; int ret, size;
- size = PAD_TO_BLOCKSIZE(sizeof(gpt_header), dev_desc); + size = PAD_TO_BLOCKSIZE(sizeof(gpt_header), desc); gpt_h = malloc_cache_aligned(size); if (gpt_h == NULL) { log_debug("calloc failed!\n"); @@ -613,7 +612,7 @@ int gpt_restore(struct blk_desc *dev_desc, char *str_disk_guid, memset(gpt_h, 0, size);
size = PAD_TO_BLOCKSIZE(GPT_ENTRY_NUMBERS * sizeof(gpt_entry), - dev_desc); + desc); gpt_e = malloc_cache_aligned(size); if (gpt_e == NULL) { log_debug("calloc failed!\n"); @@ -623,17 +622,17 @@ int gpt_restore(struct blk_desc *dev_desc, char *str_disk_guid, memset(gpt_e, 0, size);
/* Generate Primary GPT header (LBA1) */ - ret = gpt_fill_header(dev_desc, gpt_h, str_disk_guid, parts_count); + ret = gpt_fill_header(desc, gpt_h, str_disk_guid, parts_count); if (ret) goto err;
/* Generate partition entries */ - ret = gpt_fill_pte(dev_desc, gpt_h, gpt_e, partitions, parts_count); + ret = gpt_fill_pte(desc, gpt_h, gpt_e, partitions, parts_count); if (ret) goto err;
/* Write GPT partition table */ - ret = write_gpt_table(dev_desc, gpt_h, gpt_e); + ret = write_gpt_table(desc, gpt_h, gpt_e);
err: free(gpt_e); @@ -664,14 +663,14 @@ static void gpt_convert_efi_name_to_char(char *s, void *es, int n) } }
-int gpt_verify_headers(struct blk_desc *dev_desc, gpt_header *gpt_head, +int gpt_verify_headers(struct blk_desc *desc, gpt_header *gpt_head, gpt_entry **gpt_pte) { /* * This function validates AND * fills in the GPT header and PTE */ - if (is_gpt_valid(dev_desc, + if (is_gpt_valid(desc, GPT_PRIMARY_PARTITION_TABLE_LBA, gpt_head, gpt_pte) != 1) { log_debug("Invalid GPT\n"); @@ -684,12 +683,12 @@ int gpt_verify_headers(struct blk_desc *dev_desc, gpt_header *gpt_head, /* * Check that the alternate_lba entry points to the last LBA */ - if (le64_to_cpu(gpt_head->alternate_lba) != (dev_desc->lba - 1)) { + if (le64_to_cpu(gpt_head->alternate_lba) != (desc->lba - 1)) { log_debug("Misplaced Backup GPT\n"); return -1; }
- if (is_gpt_valid(dev_desc, (dev_desc->lba - 1), + if (is_gpt_valid(desc, (desc->lba - 1), gpt_head, gpt_pte) != 1) { log_debug("Invalid Backup GPT\n"); return -1; @@ -698,7 +697,7 @@ int gpt_verify_headers(struct blk_desc *dev_desc, gpt_header *gpt_head, return 0; }
-static void restore_primary_gpt_header(gpt_header *gpt_h, struct blk_desc *dev_desc) +static void restore_primary_gpt_header(gpt_header *gpt_h, struct blk_desc *desc) { u32 calc_crc32; u64 val; @@ -707,7 +706,7 @@ static void restore_primary_gpt_header(gpt_header *gpt_h, struct blk_desc *dev_d val = le64_to_cpu(gpt_h->my_lba); gpt_h->my_lba = gpt_h->alternate_lba; gpt_h->alternate_lba = cpu_to_le64(val); - gpt_h->partition_entry_lba = cpu_to_le64(partition_entries_offset(dev_desc)); + gpt_h->partition_entry_lba = cpu_to_le64(partition_entries_offset(desc));
gpt_h->header_crc32 = 0;
@@ -716,22 +715,22 @@ static void restore_primary_gpt_header(gpt_header *gpt_h, struct blk_desc *dev_d gpt_h->header_crc32 = cpu_to_le32(calc_crc32); }
-static int write_one_gpt_table(struct blk_desc *dev_desc, - gpt_header *gpt_h, gpt_entry *gpt_e) +static int write_one_gpt_table(struct blk_desc *desc, gpt_header *gpt_h, + gpt_entry *gpt_e) { const int pte_blk_cnt = BLOCK_CNT((gpt_h->num_partition_entries - * sizeof(gpt_entry)), dev_desc); + * sizeof(gpt_entry)), desc); lbaint_t start; int ret = 0;
start = le64_to_cpu(gpt_h->my_lba); - if (blk_dwrite(dev_desc, start, 1, gpt_h) != 1) { + if (blk_dwrite(desc, start, 1, gpt_h) != 1) { ret = -1; goto out; }
start = le64_to_cpu(gpt_h->partition_entry_lba); - if (blk_dwrite(dev_desc, start, pte_blk_cnt, gpt_e) != pte_blk_cnt) { + if (blk_dwrite(desc, start, pte_blk_cnt, gpt_e) != pte_blk_cnt) { ret = -1; goto out; } @@ -740,17 +739,17 @@ static int write_one_gpt_table(struct blk_desc *dev_desc, return ret; }
-int gpt_repair_headers(struct blk_desc *dev_desc) +int gpt_repair_headers(struct blk_desc *desc) { - ALLOC_CACHE_ALIGN_BUFFER_PAD(gpt_header, gpt_h1, 1, dev_desc->blksz); - ALLOC_CACHE_ALIGN_BUFFER_PAD(gpt_header, gpt_h2, 1, dev_desc->blksz); + ALLOC_CACHE_ALIGN_BUFFER_PAD(gpt_header, gpt_h1, 1, desc->blksz); + ALLOC_CACHE_ALIGN_BUFFER_PAD(gpt_header, gpt_h2, 1, desc->blksz); gpt_entry *gpt_e1 = NULL, *gpt_e2 = NULL; int is_gpt1_valid, is_gpt2_valid; int ret = -1;
- is_gpt1_valid = is_gpt_valid(dev_desc, GPT_PRIMARY_PARTITION_TABLE_LBA, + is_gpt1_valid = is_gpt_valid(desc, GPT_PRIMARY_PARTITION_TABLE_LBA, gpt_h1, &gpt_e1); - is_gpt2_valid = is_gpt_valid(dev_desc, dev_desc->lba - 1, + is_gpt2_valid = is_gpt_valid(desc, desc->lba - 1, gpt_h2, &gpt_e2);
if (is_gpt1_valid && is_gpt2_valid) { @@ -760,13 +759,13 @@ int gpt_repair_headers(struct blk_desc *dev_desc)
if (is_gpt1_valid && !is_gpt2_valid) { prepare_backup_gpt_header(gpt_h1); - ret = write_one_gpt_table(dev_desc, gpt_h1, gpt_e1); + ret = write_one_gpt_table(desc, gpt_h1, gpt_e1); goto out; }
if (!is_gpt1_valid && is_gpt2_valid) { - restore_primary_gpt_header(gpt_h2, dev_desc); - ret = write_one_gpt_table(dev_desc, gpt_h2, gpt_e2); + restore_primary_gpt_header(gpt_h2, desc); + ret = write_one_gpt_table(desc, gpt_h2, gpt_e2); goto out; }
@@ -784,7 +783,7 @@ int gpt_repair_headers(struct blk_desc *dev_desc) return ret; }
-int gpt_verify_partitions(struct blk_desc *dev_desc, +int gpt_verify_partitions(struct blk_desc *desc, struct disk_partition *partitions, int parts, gpt_header *gpt_head, gpt_entry **gpt_pte) { @@ -793,7 +792,7 @@ int gpt_verify_partitions(struct blk_desc *dev_desc, gpt_entry *gpt_e; int ret, i;
- ret = gpt_verify_headers(dev_desc, gpt_head, gpt_pte); + ret = gpt_verify_headers(desc, gpt_head, gpt_pte); if (ret) return ret;
@@ -862,28 +861,27 @@ int gpt_verify_partitions(struct blk_desc *dev_desc, return 0; }
-int is_valid_gpt_buf(struct blk_desc *dev_desc, void *buf) +int is_valid_gpt_buf(struct blk_desc *desc, void *buf) { gpt_header *gpt_h; gpt_entry *gpt_e;
/* determine start of GPT Header in the buffer */ - gpt_h = buf + (GPT_PRIMARY_PARTITION_TABLE_LBA * - dev_desc->blksz); + gpt_h = buf + (GPT_PRIMARY_PARTITION_TABLE_LBA * desc->blksz); if (validate_gpt_header(gpt_h, GPT_PRIMARY_PARTITION_TABLE_LBA, - dev_desc->lba)) + desc->lba)) return -1;
/* determine start of GPT Entries in the buffer */ gpt_e = buf + (le64_to_cpu(gpt_h->partition_entry_lba) * - dev_desc->blksz); + desc->blksz); if (validate_gpt_entries(gpt_h, gpt_e)) return -1;
return 0; }
-int write_mbr_and_gpt_partitions(struct blk_desc *dev_desc, void *buf) +int write_mbr_and_gpt_partitions(struct blk_desc *desc, void *buf) { gpt_header *gpt_h; gpt_entry *gpt_e; @@ -891,24 +889,22 @@ int write_mbr_and_gpt_partitions(struct blk_desc *dev_desc, void *buf) lbaint_t lba; int cnt;
- if (is_valid_gpt_buf(dev_desc, buf)) + if (is_valid_gpt_buf(desc, buf)) return -1;
/* determine start of GPT Header in the buffer */ - gpt_h = buf + (GPT_PRIMARY_PARTITION_TABLE_LBA * - dev_desc->blksz); + gpt_h = buf + (GPT_PRIMARY_PARTITION_TABLE_LBA * desc->blksz);
/* determine start of GPT Entries in the buffer */ - gpt_e = buf + (le64_to_cpu(gpt_h->partition_entry_lba) * - dev_desc->blksz); + gpt_e = buf + (le64_to_cpu(gpt_h->partition_entry_lba) * desc->blksz); gpt_e_blk_cnt = BLOCK_CNT((le32_to_cpu(gpt_h->num_partition_entries) * le32_to_cpu(gpt_h->sizeof_partition_entry)), - dev_desc); + desc);
/* write MBR */ lba = 0; /* MBR is always at 0 */ cnt = 1; /* MBR (1 block) */ - if (blk_dwrite(dev_desc, lba, cnt, buf) != cnt) { + if (blk_dwrite(desc, lba, cnt, buf) != cnt) { log_debug("failed writing '%s' (%d blks at 0x" LBAF ")\n", "MBR", cnt, lba); return 1; @@ -917,7 +913,7 @@ int write_mbr_and_gpt_partitions(struct blk_desc *dev_desc, void *buf) /* write Primary GPT */ lba = GPT_PRIMARY_PARTITION_TABLE_LBA; cnt = 1; /* GPT Header (1 block) */ - if (blk_dwrite(dev_desc, lba, cnt, gpt_h) != cnt) { + if (blk_dwrite(desc, lba, cnt, gpt_h) != cnt) { log_debug("failed writing '%s' (%d blks at 0x" LBAF ")\n", "Primary GPT Header", cnt, lba); return 1; @@ -925,7 +921,7 @@ int write_mbr_and_gpt_partitions(struct blk_desc *dev_desc, void *buf)
lba = le64_to_cpu(gpt_h->partition_entry_lba); cnt = gpt_e_blk_cnt; - if (blk_dwrite(dev_desc, lba, cnt, gpt_e) != cnt) { + if (blk_dwrite(desc, lba, cnt, gpt_e) != cnt) { log_debug("failed writing '%s' (%d blks at 0x" LBAF ")\n", "Primary GPT Entries", cnt, lba); return 1; @@ -936,7 +932,7 @@ int write_mbr_and_gpt_partitions(struct blk_desc *dev_desc, void *buf) /* write Backup GPT */ lba = le64_to_cpu(gpt_h->partition_entry_lba); cnt = gpt_e_blk_cnt; - if (blk_dwrite(dev_desc, lba, cnt, gpt_e) != cnt) { + if (blk_dwrite(desc, lba, cnt, gpt_e) != cnt) { log_debug("failed writing '%s' (%d blks at 0x" LBAF ")\n", "Backup GPT Entries", cnt, lba); return 1; @@ -944,14 +940,14 @@ int write_mbr_and_gpt_partitions(struct blk_desc *dev_desc, void *buf)
lba = le64_to_cpu(gpt_h->my_lba); cnt = 1; /* GPT Header (1 block) */ - if (blk_dwrite(dev_desc, lba, cnt, gpt_h) != cnt) { + if (blk_dwrite(desc, lba, cnt, gpt_h) != cnt) { log_debug("failed writing '%s' (%d blks at 0x" LBAF ")\n", "Backup GPT Header", cnt, lba); return 1; }
/* Update the partition table entries*/ - part_init(dev_desc); + part_init(desc);
return 0; } @@ -1008,25 +1004,25 @@ static int is_pmbr_valid(legacy_mbr * mbr) * Description: returns 1 if valid, 0 on error, 2 if ignored header * If valid, returns pointers to PTEs. */ -static int is_gpt_valid(struct blk_desc *dev_desc, u64 lba, - gpt_header *pgpt_head, gpt_entry **pgpt_pte) +static int is_gpt_valid(struct blk_desc *desc, u64 lba, gpt_header *pgpt_head, + gpt_entry **pgpt_pte) { /* Confirm valid arguments prior to allocation. */ - if (!dev_desc || !pgpt_head) { + if (!desc || !pgpt_head) { log_debug("Invalid Argument(s)\n"); return 0; }
- ALLOC_CACHE_ALIGN_BUFFER_PAD(legacy_mbr, mbr, 1, dev_desc->blksz); + ALLOC_CACHE_ALIGN_BUFFER_PAD(legacy_mbr, mbr, 1, desc->blksz);
/* Read MBR Header from device */ - if (blk_dread(dev_desc, 0, 1, (ulong *)mbr) != 1) { + if (blk_dread(desc, 0, 1, (ulong *)mbr) != 1) { log_debug("Can't read MBR header\n"); return 0; }
/* Read GPT Header from device */ - if (blk_dread(dev_desc, (lbaint_t)lba, 1, pgpt_head) != 1) { + if (blk_dread(desc, (lbaint_t)lba, 1, pgpt_head) != 1) { log_debug("Can't read GPT header\n"); return 0; } @@ -1037,23 +1033,23 @@ static int is_gpt_valid(struct blk_desc *dev_desc, u64 lba, return 2; }
- if (validate_gpt_header(pgpt_head, (lbaint_t)lba, dev_desc->lba)) + if (validate_gpt_header(pgpt_head, (lbaint_t)lba, desc->lba)) return 0;
- if (dev_desc->sig_type == SIG_TYPE_NONE) { + if (desc->sig_type == SIG_TYPE_NONE) { efi_guid_t empty = {}; if (memcmp(&pgpt_head->disk_guid, &empty, sizeof(empty))) { - dev_desc->sig_type = SIG_TYPE_GUID; - memcpy(&dev_desc->guid_sig, &pgpt_head->disk_guid, - sizeof(empty)); + desc->sig_type = SIG_TYPE_GUID; + memcpy(&desc->guid_sig, &pgpt_head->disk_guid, + sizeof(empty)); } else if (mbr->unique_mbr_signature != 0) { - dev_desc->sig_type = SIG_TYPE_MBR; - dev_desc->mbr_sig = mbr->unique_mbr_signature; + desc->sig_type = SIG_TYPE_MBR; + desc->mbr_sig = mbr->unique_mbr_signature; } }
/* Read and allocate Partition Table Entries */ - *pgpt_pte = alloc_read_gpt_entries(dev_desc, pgpt_head); + *pgpt_pte = alloc_read_gpt_entries(desc, pgpt_head); if (!*pgpt_pte) return 0;
@@ -1075,20 +1071,20 @@ static int is_gpt_valid(struct blk_desc *dev_desc, u64 lba, * Description: returns 1 if found a valid gpt, 0 on error. * If valid, returns pointers to PTEs. */ -static int find_valid_gpt(struct blk_desc *dev_desc, gpt_header *gpt_head, +static int find_valid_gpt(struct blk_desc *desc, gpt_header *gpt_head, gpt_entry **pgpt_pte) { int r;
- r = is_gpt_valid(dev_desc, GPT_PRIMARY_PARTITION_TABLE_LBA, gpt_head, + r = is_gpt_valid(desc, GPT_PRIMARY_PARTITION_TABLE_LBA, gpt_head, pgpt_pte);
if (r != 1) { if (r != 2) log_debug("Invalid GPT\n");
- if (is_gpt_valid(dev_desc, (dev_desc->lba - 1), gpt_head, - pgpt_pte) != 1) { + if (is_gpt_valid(desc, desc->lba - 1, gpt_head, pgpt_pte) + != 1) { log_debug("Invalid Backup GPT\n"); return 0; } @@ -1100,21 +1096,21 @@ static int find_valid_gpt(struct blk_desc *dev_desc, gpt_header *gpt_head,
/** * alloc_read_gpt_entries(): reads partition entries from disk - * @dev_desc + * @desc * @gpt - GPT header * * Description: Returns ptes on success, NULL on error. * Allocates space for PTEs based on information found in @gpt. * Notes: remember to free pte when you're done! */ -static gpt_entry *alloc_read_gpt_entries(struct blk_desc *dev_desc, +static gpt_entry *alloc_read_gpt_entries(struct blk_desc *desc, gpt_header *pgpt_head) { size_t count = 0, blk_cnt; lbaint_t blk; gpt_entry *pte = NULL;
- if (!dev_desc || !pgpt_head) { + if (!desc || !pgpt_head) { log_debug("Invalid Argument(s)\n"); return NULL; } @@ -1130,7 +1126,7 @@ static gpt_entry *alloc_read_gpt_entries(struct blk_desc *dev_desc, /* Allocate memory for PTE, remember to FREE */ if (count != 0) { pte = memalign(ARCH_DMA_MINALIGN, - PAD_TO_BLOCKSIZE(count, dev_desc)); + PAD_TO_BLOCKSIZE(count, desc)); }
if (count == 0 || pte == NULL) { @@ -1141,8 +1137,8 @@ static gpt_entry *alloc_read_gpt_entries(struct blk_desc *dev_desc,
/* Read GPT Entries from device */ blk = le64_to_cpu(pgpt_head->partition_entry_lba); - blk_cnt = BLOCK_CNT(count, dev_desc); - if (blk_dread(dev_desc, blk, (lbaint_t)blk_cnt, pte) != blk_cnt) { + blk_cnt = BLOCK_CNT(count, desc); + if (blk_dread(desc, blk, (lbaint_t)blk_cnt, pte) != blk_cnt) { log_debug("Can't read GPT Entries\n"); free(pte); return NULL;