[PATCH] libata-ncq: add NCQ related ATA/libata constants and macros

Add NCQ related ATA/libata constants and macros.

Signed-off-by: Tejun Heo <htejun@gmail.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/include/linux/libata.h b/include/linux/libata.h
index db17723e23fb..7c9e280a4829 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -125,6 +125,7 @@ enum {
         ATA_DFLAG_LBA           = (1 << 0), /* device supports LBA */
         ATA_DFLAG_LBA48         = (1 << 1), /* device supports LBA48 */
         ATA_DFLAG_CDB_INTR      = (1 << 2), /* device asserts INTRQ when ready for CDB */
+        ATA_DFLAG_NCQ           = (1 << 3), /* device supports NCQ */
         ATA_DFLAG_CFG_MASK      = (1 << 8) - 1,
 
         ATA_DFLAG_PIO           = (1 << 8), /* device currently in PIO mode */
@@ -150,6 +151,7 @@ enum {
         ATA_FLAG_IRQ_MASK       = (1 << 9), /* Mask IRQ in PIO xfers */
         ATA_FLAG_PIO_POLLING    = (1 << 10), /* use polling PIO if LLD
                                               * doesn't handle PIO interrupts */
+        ATA_FLAG_NCQ            = (1 << 11), /* host supports NCQ */
 
         ATA_FLAG_DEBUGMSG       = (1 << 14),
         ATA_FLAG_FLUSH_PORT_TASK = (1 << 15), /* flush port task */