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)
* 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;
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);
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 */
}
/* 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) ||
/* 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]));
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;
}
/**
* 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;
}
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 */
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;
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)
{
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 */
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;
* 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)
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
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);
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");
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");
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);
}
}
-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");
/*
* 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;
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;
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;
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;
}
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) {
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;
}
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)
{
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;
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;
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;
/* 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;
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;
/* 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;
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;
}
* 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;
}
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;
* 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;
}
/**
* 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;
}
/* 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) {
/* 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;
projects / u-boot.git / commitdiff