[BLOCK] add FUA support to libata

Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jens Axboe <axboe@suse.de>

2 files changed, 7 insertions, 2 deletions

diff --git a/include/linux/ata.h b/include/linux/ata.h
index d2873b732bb..f63dad4165b 100644
--- a/include/linux/ata.h
+++ b/include/linux/ata.h
@@ -129,6 +129,7 @@ enum {
         ATA_CMD_READ_EXT        = 0x25,
         ATA_CMD_WRITE           = 0xCA,
         ATA_CMD_WRITE_EXT       = 0x35,
+        ATA_CMD_WRITE_FUA_EXT   = 0x3D,
         ATA_CMD_PIO_READ        = 0x20,
         ATA_CMD_PIO_READ_EXT    = 0x24,
         ATA_CMD_PIO_WRITE       = 0x30,
@@ -137,6 +138,7 @@ enum {
         ATA_CMD_READ_MULTI_EXT  = 0x29,
         ATA_CMD_WRITE_MULTI     = 0xC5,
         ATA_CMD_WRITE_MULTI_EXT = 0x39,
+        ATA_CMD_WRITE_MULTI_FUA_EXT = 0xCE,
         ATA_CMD_SET_FEATURES    = 0xEF,
         ATA_CMD_PACKET          = 0xA0,
         ATA_CMD_VERIFY          = 0x40,
@@ -192,6 +194,7 @@ enum {
         ATA_TFLAG_DEVICE        = (1 << 2), /* enable r/w to device reg */
         ATA_TFLAG_WRITE         = (1 << 3), /* data dir: host->dev==1 (write) */
         ATA_TFLAG_LBA           = (1 << 4), /* enable LBA */
+        ATA_TFLAG_FUA           = (1 << 5), /* enable FUA */
 };
 
 enum ata_tf_protocols {
@@ -245,7 +248,8 @@ struct ata_taskfile {
 #define ata_id_is_sata(id)      ((id)[93] == 0)
 #define ata_id_rahead_enabled(id) ((id)[85] & (1 << 6))
 #define ata_id_wcache_enabled(id) ((id)[85] & (1 << 5))
-#define ata_id_has_flush(id) ((id)[83] & (1 << 12))
+#define ata_id_has_fua(id)      ((id)[84] & (1 << 6))
+#define ata_id_has_flush(id)    ((id)[83] & (1 << 12))
 #define ata_id_has_flush_ext(id) ((id)[83] & (1 << 13))
 #define ata_id_has_lba48(id)    ((id)[83] & (1 << 10))
 #define ata_id_has_wcache(id)   ((id)[82] & (1 << 5))
diff --git a/include/linux/libata.h b/include/linux/libata.h
index e828e172ccb..6db2c084573 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -480,7 +480,8 @@ extern u8   ata_bmdma_status(struct ata_port *ap);
 extern void ata_bmdma_irq_clear(struct ata_port *ap);
 extern void ata_qc_complete(struct ata_queued_cmd *qc);
 extern void ata_eng_timeout(struct ata_port *ap);
-extern void ata_scsi_simulate(u16 *id, struct scsi_cmnd *cmd,
+extern void ata_scsi_simulate(struct ata_port *ap, struct ata_device *dev,
+                              struct scsi_cmnd *cmd,
                               void (*done)(struct scsi_cmnd *));
 extern int ata_std_bios_param(struct scsi_device *sdev,
                               struct block_device *bdev,