[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>
diff --git a/include/linux/ata.h b/include/linux/ata.h
index 1cbeb43..c494e1c 100644
--- a/include/linux/ata.h
+++ b/include/linux/ata.h
@@ -133,6 +133,8 @@
ATA_CMD_WRITE = 0xCA,
ATA_CMD_WRITE_EXT = 0x35,
ATA_CMD_WRITE_FUA_EXT = 0x3D,
+ ATA_CMD_FPDMA_READ = 0x60,
+ ATA_CMD_FPDMA_WRITE = 0x61,
ATA_CMD_PIO_READ = 0x20,
ATA_CMD_PIO_READ_EXT = 0x24,
ATA_CMD_PIO_WRITE = 0x30,
@@ -151,6 +153,10 @@
ATA_CMD_INIT_DEV_PARAMS = 0x91,
ATA_CMD_READ_NATIVE_MAX = 0xF8,
ATA_CMD_READ_NATIVE_MAX_EXT = 0x27,
+ ATA_CMD_READ_LOG_EXT = 0x2f,
+
+ /* READ_LOG_EXT pages */
+ ATA_LOG_SATA_NCQ = 0x10,
/* SETFEATURES stuff */
SETFEATURES_XFER = 0x03,
@@ -221,6 +227,7 @@
ATA_PROT_NODATA, /* no data */
ATA_PROT_PIO, /* PIO single sector */
ATA_PROT_DMA, /* DMA */
+ ATA_PROT_NCQ, /* NCQ */
ATA_PROT_ATAPI, /* packet command, PIO data xfer*/
ATA_PROT_ATAPI_NODATA, /* packet command, no data */
ATA_PROT_ATAPI_DMA, /* packet command with special DMA sauce */
@@ -276,6 +283,8 @@
#define ata_id_has_pm(id) ((id)[82] & (1 << 3))
#define ata_id_has_lba(id) ((id)[49] & (1 << 9))
#define ata_id_has_dma(id) ((id)[49] & (1 << 8))
+#define ata_id_has_ncq(id) ((id)[76] & (1 << 8))
+#define ata_id_queue_depth(id) (((id)[75] & 0x1f) + 1)
#define ata_id_removeable(id) ((id)[0] & (1 << 7))
#define ata_id_has_dword_io(id) ((id)[50] & (1 << 0))
#define ata_id_u32(id,n) \
diff --git a/include/linux/libata.h b/include/linux/libata.h
index db17723..7c9e280 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -125,6 +125,7 @@
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 @@
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 */