#include <ide.h>
#include <inttypes.h>
#include <malloc.h>
+#include <memalign.h>
#include <part_efi.h>
#include <linux/ctype.h>
static int pmbr_part_valid(struct partition *part);
static int is_pmbr_valid(legacy_mbr * mbr);
-static int is_gpt_valid(block_dev_desc_t *dev_desc, u64 lba,
+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(block_dev_desc_t * dev_desc,
- gpt_header * pgpt_head);
+static gpt_entry *alloc_read_gpt_entries(struct blk_desc *dev_desc,
+ gpt_header *pgpt_head);
static int is_pte_valid(gpt_entry * pte);
static char *print_efiname(gpt_entry *pte)
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(le64_to_cpu(gpt_h->last_usable_lba) + 1);
gpt_h->header_crc32 = 0;
calc_crc32 = efi_crc32((const unsigned char *)gpt_h,
* Public Functions (include/part.h)
*/
-void print_part_efi(block_dev_desc_t * dev_desc)
+void part_print_efi(struct blk_desc *dev_desc)
{
ALLOC_CACHE_ALIGN_BUFFER_PAD(gpt_header, gpt_head, 1, dev_desc->blksz);
gpt_entry *gpt_pte = NULL;
char uuid[37];
unsigned char *uuid_bin;
- if (!dev_desc) {
- printf("%s: Invalid Argument(s)\n", __func__);
- return;
- }
/* This function validates AND fills in the GPT header and PTE */
if (is_gpt_valid(dev_desc, GPT_PRIMARY_PARTITION_TABLE_LBA,
gpt_head, &gpt_pte) != 1) {
uuid_bin = (unsigned char *)gpt_pte[i].partition_type_guid.b;
uuid_bin_to_str(uuid_bin, uuid, UUID_STR_FORMAT_GUID);
printf("\ttype:\t%s\n", uuid);
+#ifdef CONFIG_PARTITION_TYPE_GUID
+ if (!uuid_guid_get_str(uuid_bin, uuid))
+ printf("\ttype:\t%s\n", uuid);
+#endif
uuid_bin = (unsigned char *)gpt_pte[i].unique_partition_guid.b;
uuid_bin_to_str(uuid_bin, uuid, UUID_STR_FORMAT_GUID);
printf("\tguid:\t%s\n", uuid);
return;
}
-int get_partition_info_efi(block_dev_desc_t * dev_desc, int part,
- disk_partition_t * info)
+int part_get_info_efi(struct blk_desc *dev_desc, int part,
+ disk_partition_t *info)
{
ALLOC_CACHE_ALIGN_BUFFER_PAD(gpt_header, gpt_head, 1, dev_desc->blksz);
gpt_entry *gpt_pte = NULL;
/* "part" argument must be at least 1 */
- if (!dev_desc || !info || part < 1) {
+ if (part < 1) {
printf("%s: Invalid Argument(s)\n", __func__);
return -1;
}
sprintf((char *)info->name, "%s",
print_efiname(&gpt_pte[part - 1]));
- sprintf((char *)info->type, "U-Boot");
+ strcpy((char *)info->type, "U-Boot");
info->bootable = is_bootable(&gpt_pte[part - 1]);
#ifdef CONFIG_PARTITION_UUIDS
uuid_bin_to_str(gpt_pte[part - 1].unique_partition_guid.b, info->uuid,
UUID_STR_FORMAT_GUID);
#endif
+#ifdef CONFIG_PARTITION_TYPE_GUID
+ uuid_bin_to_str(gpt_pte[part - 1].partition_type_guid.b,
+ info->type_guid, UUID_STR_FORMAT_GUID);
+#endif
debug("%s: start 0x" LBAF ", size 0x" LBAF ", name %s\n", __func__,
info->start, info->size, info->name);
return 0;
}
-int get_partition_info_efi_by_name(block_dev_desc_t *dev_desc,
+int part_get_info_efi_by_name(struct blk_desc *dev_desc,
const char *name, disk_partition_t *info)
{
int ret;
int i;
for (i = 1; i < GPT_ENTRY_NUMBERS; i++) {
- ret = get_partition_info_efi(dev_desc, i, info);
+ ret = part_get_info_efi(dev_desc, i, info);
if (ret != 0) {
/* no more entries in table */
return -1;
return -2;
}
-int test_part_efi(block_dev_desc_t * dev_desc)
+static int part_test_efi(struct blk_desc *dev_desc)
{
ALLOC_CACHE_ALIGN_BUFFER_PAD(legacy_mbr, legacymbr, 1, dev_desc->blksz);
/* Read legacy MBR from block 0 and validate it */
- if ((dev_desc->block_read(dev_desc->dev, 0, 1, (ulong *)legacymbr) != 1)
+ if ((blk_dread(dev_desc, 0, 1, (ulong *)legacymbr) != 1)
|| (is_pmbr_valid(legacymbr) != 1)) {
return -1;
}
*
* @return - zero on success, otherwise error
*/
-static int set_protective_mbr(block_dev_desc_t *dev_desc)
+static int set_protective_mbr(struct blk_desc *dev_desc)
{
/* Setup the Protective MBR */
ALLOC_CACHE_ALIGN_BUFFER(legacy_mbr, p_mbr, 1);
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;
+ p_mbr->partition_record[0].nr_sects = (u32) dev_desc->lba - 1;
/* Write MBR sector to the MMC device */
- if (dev_desc->block_write(dev_desc->dev, 0, 1, p_mbr) != 1) {
+ if (blk_dwrite(dev_desc, 0, 1, p_mbr) != 1) {
printf("** Can't write to device %d **\n",
- dev_desc->dev);
+ dev_desc->devnum);
return -1;
}
return 0;
}
-int write_gpt_table(block_dev_desc_t *dev_desc,
+int write_gpt_table(struct blk_desc *dev_desc,
gpt_header *gpt_h, gpt_entry *gpt_e)
{
const int pte_blk_cnt = BLOCK_CNT((gpt_h->num_partition_entries
gpt_h->header_crc32 = cpu_to_le32(calc_crc32);
/* Write the First GPT to the block right after the Legacy MBR */
- if (dev_desc->block_write(dev_desc->dev, 1, 1, gpt_h) != 1)
+ if (blk_dwrite(dev_desc, 1, 1, gpt_h) != 1)
goto err;
- if (dev_desc->block_write(dev_desc->dev, 2, pte_blk_cnt, gpt_e)
+ if (blk_dwrite(dev_desc, 2, pte_blk_cnt, gpt_e)
!= pte_blk_cnt)
goto err;
prepare_backup_gpt_header(gpt_h);
- if (dev_desc->block_write(dev_desc->dev,
- (lbaint_t)le64_to_cpu(gpt_h->last_usable_lba)
- + 1,
- pte_blk_cnt, gpt_e) != pte_blk_cnt)
+ if (blk_dwrite(dev_desc, (lbaint_t)le64_to_cpu(gpt_h->last_usable_lba)
+ + 1, pte_blk_cnt, gpt_e) != pte_blk_cnt)
goto err;
- if (dev_desc->block_write(dev_desc->dev,
- (lbaint_t)le64_to_cpu(gpt_h->my_lba), 1,
- gpt_h) != 1)
+ if (blk_dwrite(dev_desc, (lbaint_t)le64_to_cpu(gpt_h->my_lba), 1,
+ gpt_h) != 1)
goto err;
debug("GPT successfully written to block device!\n");
return 0;
err:
- printf("** Can't write to device %d **\n", dev_desc->dev);
+ printf("** Can't write to device %d **\n", dev_desc->devnum);
return -1;
}
char *str_uuid;
unsigned char *bin_uuid;
#endif
+#ifdef CONFIG_PARTITION_TYPE_GUID
+ char *str_type_guid;
+ unsigned char *bin_type_guid;
+#endif
for (i = 0; i < parts; i++) {
/* partition starting lba */
else
gpt_e[i].ending_lba = cpu_to_le64(offset - 1);
+#ifdef CONFIG_PARTITION_TYPE_GUID
+ str_type_guid = partitions[i].type_guid;
+ bin_type_guid = gpt_e[i].partition_type_guid.b;
+ if (strlen(str_type_guid)) {
+ if (uuid_str_to_bin(str_type_guid, bin_type_guid,
+ UUID_STR_FORMAT_GUID)) {
+ printf("Partition no. %d: invalid type guid: %s\n",
+ i, str_type_guid);
+ return -1;
+ }
+ } else {
+ /* default partition type GUID */
+ memcpy(bin_type_guid,
+ &PARTITION_BASIC_DATA_GUID, 16);
+ }
+#else
/* partition type GUID */
memcpy(gpt_e[i].partition_type_guid.b,
&PARTITION_BASIC_DATA_GUID, 16);
+#endif
#ifdef CONFIG_PARTITION_UUIDS
str_uuid = partitions[i].uuid;
memset(&gpt_e[i].attributes, 0,
sizeof(gpt_entry_attributes));
+ if (partitions[i].bootable)
+ gpt_e[i].attributes.fields.legacy_bios_bootable = 1;
+
/* partition name */
efiname_len = sizeof(gpt_e[i].partition_name)
/ sizeof(efi_char16_t);
return 0;
}
-int gpt_fill_header(block_dev_desc_t *dev_desc, gpt_header *gpt_h,
+int gpt_fill_header(struct blk_desc *dev_desc, gpt_header *gpt_h,
char *str_guid, int parts_count)
{
gpt_h->signature = cpu_to_le64(GPT_HEADER_SIGNATURE);
return 0;
}
-int gpt_restore(block_dev_desc_t *dev_desc, char *str_disk_guid,
+int gpt_restore(struct blk_desc *dev_desc, char *str_disk_guid,
disk_partition_t *partitions, int parts_count)
{
int ret;
free(gpt_h);
return ret;
}
+
+static void gpt_convert_efi_name_to_char(char *s, efi_char16_t *es, int n)
+{
+ char *ess = (char *)es;
+ int i, j;
+
+ memset(s, '\0', n);
+
+ for (i = 0, j = 0; j < n; i += 2, j++) {
+ s[j] = ess[i];
+ if (!ess[i])
+ return;
+ }
+}
+
+int gpt_verify_headers(struct blk_desc *dev_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,
+ GPT_PRIMARY_PARTITION_TABLE_LBA,
+ gpt_head, gpt_pte) != 1) {
+ printf("%s: *** ERROR: Invalid GPT ***\n",
+ __func__);
+ return -1;
+ }
+ if (is_gpt_valid(dev_desc, (dev_desc->lba - 1),
+ gpt_head, gpt_pte) != 1) {
+ printf("%s: *** ERROR: Invalid Backup GPT ***\n",
+ __func__);
+ return -1;
+ }
+
+ return 0;
+}
+
+int gpt_verify_partitions(struct blk_desc *dev_desc,
+ disk_partition_t *partitions, int parts,
+ gpt_header *gpt_head, gpt_entry **gpt_pte)
+{
+ char efi_str[PARTNAME_SZ + 1];
+ u64 gpt_part_size;
+ gpt_entry *gpt_e;
+ int ret, i;
+
+ ret = gpt_verify_headers(dev_desc, gpt_head, gpt_pte);
+ if (ret)
+ return ret;
+
+ gpt_e = *gpt_pte;
+
+ for (i = 0; i < parts; i++) {
+ if (i == gpt_head->num_partition_entries) {
+ error("More partitions than allowed!\n");
+ return -1;
+ }
+
+ /* Check if GPT and ENV partition names match */
+ gpt_convert_efi_name_to_char(efi_str, gpt_e[i].partition_name,
+ PARTNAME_SZ + 1);
+
+ debug("%s: part: %2d name - GPT: %16s, ENV: %16s ",
+ __func__, i, efi_str, partitions[i].name);
+
+ if (strncmp(efi_str, (char *)partitions[i].name,
+ sizeof(partitions->name))) {
+ error("Partition name: %s does not match %s!\n",
+ efi_str, (char *)partitions[i].name);
+ return -1;
+ }
+
+ /* Check if GPT and ENV sizes match */
+ gpt_part_size = le64_to_cpu(gpt_e[i].ending_lba) -
+ le64_to_cpu(gpt_e[i].starting_lba) + 1;
+ debug("size(LBA) - GPT: %8llu, ENV: %8llu ",
+ (unsigned long long)gpt_part_size,
+ (unsigned long long)partitions[i].size);
+
+ if (le64_to_cpu(gpt_part_size) != partitions[i].size) {
+ error("Partition %s size: %llu does not match %llu!\n",
+ efi_str, (unsigned long long)gpt_part_size,
+ (unsigned long long)partitions[i].size);
+ return -1;
+ }
+
+ /*
+ * Start address is optional - check only if provided
+ * in '$partition' variable
+ */
+ if (!partitions[i].start) {
+ debug("\n");
+ continue;
+ }
+
+ /* Check if GPT and ENV start LBAs match */
+ debug("start LBA - GPT: %8llu, ENV: %8llu\n",
+ le64_to_cpu(gpt_e[i].starting_lba),
+ (unsigned long long)partitions[i].start);
+
+ if (le64_to_cpu(gpt_e[i].starting_lba) != partitions[i].start) {
+ error("Partition %s start: %llu does not match %llu!\n",
+ efi_str, le64_to_cpu(gpt_e[i].starting_lba),
+ (unsigned long long)partitions[i].start);
+ return -1;
+ }
+ }
+
+ return 0;
+}
+
+int is_valid_gpt_buf(struct blk_desc *dev_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);
+ if (validate_gpt_header(gpt_h, GPT_PRIMARY_PARTITION_TABLE_LBA,
+ dev_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);
+ 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)
+{
+ gpt_header *gpt_h;
+ gpt_entry *gpt_e;
+ int gpt_e_blk_cnt;
+ lbaint_t lba;
+ int cnt;
+
+ if (is_valid_gpt_buf(dev_desc, buf))
+ return -1;
+
+ /* determine start of GPT Header in the buffer */
+ gpt_h = buf + (GPT_PRIMARY_PARTITION_TABLE_LBA *
+ dev_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_blk_cnt = BLOCK_CNT((le32_to_cpu(gpt_h->num_partition_entries) *
+ le32_to_cpu(gpt_h->sizeof_partition_entry)),
+ dev_desc);
+
+ /* write MBR */
+ lba = 0; /* MBR is always at 0 */
+ cnt = 1; /* MBR (1 block) */
+ if (blk_dwrite(dev_desc, lba, cnt, buf) != cnt) {
+ printf("%s: failed writing '%s' (%d blks at 0x" LBAF ")\n",
+ __func__, "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) {
+ printf("%s: failed writing '%s' (%d blks at 0x" LBAF ")\n",
+ __func__, "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) {
+ printf("%s: failed writing '%s' (%d blks at 0x" LBAF ")\n",
+ __func__, "Primary GPT Entries", cnt, lba);
+ return 1;
+ }
+
+ prepare_backup_gpt_header(gpt_h);
+
+ /* 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) {
+ printf("%s: failed writing '%s' (%d blks at 0x" LBAF ")\n",
+ __func__, "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) {
+ printf("%s: failed writing '%s' (%d blks at 0x" LBAF ")\n",
+ __func__, "Backup GPT Header", cnt, lba);
+ return 1;
+ }
+
+ return 0;
+}
#endif
/*
* Description: returns 1 if valid, 0 on error.
* If valid, returns pointers to PTEs.
*/
-static int is_gpt_valid(block_dev_desc_t *dev_desc, u64 lba,
+static int is_gpt_valid(struct blk_desc *dev_desc, u64 lba,
gpt_header *pgpt_head, gpt_entry **pgpt_pte)
{
if (!dev_desc || !pgpt_head) {
}
/* Read GPT Header from device */
- if (dev_desc->block_read(dev_desc->dev, (lbaint_t)lba, 1, pgpt_head)
- != 1) {
+ if (blk_dread(dev_desc, (lbaint_t)lba, 1, pgpt_head) != 1) {
printf("*** ERROR: Can't read GPT header ***\n");
return 0;
}
* 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(block_dev_desc_t * dev_desc,
- gpt_header * pgpt_head)
+static gpt_entry *alloc_read_gpt_entries(struct blk_desc *dev_desc,
+ gpt_header *pgpt_head)
{
size_t count = 0, blk_cnt;
+ lbaint_t blk;
gpt_entry *pte = NULL;
if (!dev_desc || !pgpt_head) {
}
/* Read GPT Entries from device */
+ blk = le64_to_cpu(pgpt_head->partition_entry_lba);
blk_cnt = BLOCK_CNT(count, dev_desc);
- if (dev_desc->block_read (dev_desc->dev,
- (lbaint_t)le64_to_cpu(pgpt_head->partition_entry_lba),
- (lbaint_t) (blk_cnt), pte)
- != blk_cnt) {
-
+ if (blk_dread(dev_desc, blk, (lbaint_t)blk_cnt, pte) != blk_cnt) {
printf("*** ERROR: Can't read GPT Entries ***\n");
free(pte);
return NULL;
return 1;
}
}
+
+/*
+ * Add an 'a_' prefix so it comes before 'dos' in the linker list. We need to
+ * check EFI first, since a DOS partition is often used as a 'protective MBR'
+ * with EFI.
+ */
+U_BOOT_PART_TYPE(a_efi) = {
+ .name = "EFI",
+ .part_type = PART_TYPE_EFI,
+ .get_info = part_get_info_ptr(part_get_info_efi),
+ .print = part_print_ptr(part_print_efi),
+ .test = part_test_efi,
+};
#endif