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)