diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/ata.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/include/linux/ata.h b/include/linux/ata.h index 4fb357312b3..e2595e877e4 100644 --- a/include/linux/ata.h +++ b/include/linux/ata.h @@ -87,6 +87,7 @@ enum { ATA_ID_HW_CONFIG = 93, ATA_ID_SPG = 98, ATA_ID_LBA_CAPACITY_2 = 100, + ATA_ID_SECTOR_SIZE = 106, ATA_ID_LAST_LUN = 126, ATA_ID_DLF = 128, ATA_ID_CSFO = 129, @@ -638,6 +639,18 @@ static inline int ata_id_flush_ext_enabled(const u16 *id) return (id[ATA_ID_CFS_ENABLE_2] & 0x2400) == 0x2400; } +static inline int ata_id_has_large_logical_sectors(const u16 *id) +{ + if ((id[ATA_ID_SECTOR_SIZE] & 0xc000) != 0x4000) + return 0; + return id[ATA_ID_SECTOR_SIZE] & (1 << 13); +} + +static inline u8 ata_id_logical_per_physical_sectors(const u16 *id) +{ + return id[ATA_ID_SECTOR_SIZE] & 0xf; +} + static inline int ata_id_has_lba48(const u16 *id) { if ((id[ATA_ID_COMMAND_SET_2] & 0xC000) != 0x4000) |