diff options
| -rw-r--r-- | block/partitions/efi.c | 9 | ||||
| -rw-r--r-- | block/partitions/efi.h | 16 |
2 files changed, 19 insertions, 6 deletions
diff --git a/block/partitions/efi.c b/block/partitions/efi.c index c85fc895ecd..bd8fb22b210 100644 --- a/block/partitions/efi.c +++ b/block/partitions/efi.c @@ -149,12 +149,11 @@ static u64 last_lba(struct block_device *bdev) bdev_logical_block_size(bdev)) - 1ULL; } -static inline int -pmbr_part_valid(struct partition *part) +static inline int pmbr_part_valid(gpt_mbr_record *part) { - if (part->sys_ind == EFI_PMBR_OSTYPE_EFI_GPT && - le32_to_cpu(part->start_sect) == 1UL) - return 1; + if (part->os_type == EFI_PMBR_OSTYPE_EFI_GPT && + le32_to_cpu(part->start_sector) == 1UL) + return 1; return 0; } diff --git a/block/partitions/efi.h b/block/partitions/efi.h index b69ab729558..e645ecb35bf 100644 --- a/block/partitions/efi.h +++ b/block/partitions/efi.h @@ -101,11 +101,25 @@ typedef struct _gpt_entry { efi_char16_t partition_name[72 / sizeof (efi_char16_t)]; } __attribute__ ((packed)) gpt_entry; +typedef struct _gpt_mbr_record { + u8 boot_indicator; /* unused by EFI, set to 0x80 for bootable */ + u8 start_head; /* unused by EFI, pt start in CHS */ + u8 start_sector; /* unused by EFI, pt start in CHS */ + u8 start_track; + u8 os_type; /* EFI and legacy non-EFI OS types */ + u8 end_head; /* unused by EFI, pt end in CHS */ + u8 end_sector; /* unused by EFI, pt end in CHS */ + u8 end_track; /* unused by EFI, pt end in CHS */ + __le32 starting_lba; /* used by EFI - start addr of the on disk pt */ + __le32 size_in_lba; /* used by EFI - size of pt in LBA */ +} __packed gpt_mbr_record; + + typedef struct _legacy_mbr { u8 boot_code[440]; __le32 unique_mbr_signature; __le16 unknown; - struct partition partition_record[4]; + gpt_mbr_record partition_record[4]; __le16 signature; } __attribute__ ((packed)) legacy_mbr; |