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Diffstat (limited to 'include/linux/ata.h')
-rw-r--r--include/linux/ata.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/include/linux/ata.h b/include/linux/ata.h
index 4fb357312b3b..e2595e877e44 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)