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-rw-r--r--include/linux/ata.h37
1 files changed, 37 insertions, 0 deletions
diff --git a/include/linux/ata.h b/include/linux/ata.h
index 312a2c0..3671af8 100644
--- a/include/linux/ata.h
+++ b/include/linux/ata.h
@@ -97,6 +97,9 @@ enum {
ATA_DRQ = (1 << 3), /* data request i/o */
ATA_ERR = (1 << 0), /* have an error */
ATA_SRST = (1 << 2), /* software reset */
+ ATA_ICRC = (1 << 7), /* interface CRC error */
+ ATA_UNC = (1 << 6), /* uncorrectable media error */
+ ATA_IDNF = (1 << 4), /* ID not found */
ATA_ABORTED = (1 << 2), /* command aborted */
/* ATA command block registers */
@@ -130,6 +133,8 @@ enum {
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,
@@ -148,6 +153,10 @@ enum {
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,
@@ -172,6 +181,9 @@ enum {
XFER_PIO_0 = 0x08,
XFER_PIO_SLOW = 0x00,
+ SETFEATURES_WC_ON = 0x02, /* Enable write cache */
+ SETFEATURES_WC_OFF = 0x82, /* Disable write cache */
+
/* ATAPI stuff */
ATAPI_PKT_DMA = (1 << 0),
ATAPI_DMADIR = (1 << 2), /* ATAPI data dir:
@@ -192,6 +204,16 @@ enum {
SCR_ACTIVE = 3,
SCR_NOTIFICATION = 4,
+ /* SError bits */
+ SERR_DATA_RECOVERED = (1 << 0), /* recovered data error */
+ SERR_COMM_RECOVERED = (1 << 1), /* recovered comm failure */
+ SERR_DATA = (1 << 8), /* unrecovered data error */
+ SERR_PERSISTENT = (1 << 9), /* persistent data/comm error */
+ SERR_PROTOCOL = (1 << 10), /* protocol violation */
+ SERR_INTERNAL = (1 << 11), /* host internal error */
+ SERR_PHYRDY_CHG = (1 << 16), /* PHY RDY changed */
+ SERR_DEV_XCHG = (1 << 26), /* device exchanged */
+
/* struct ata_taskfile flags */
ATA_TFLAG_LBA48 = (1 << 0), /* enable 48-bit LBA and "HOB" */
ATA_TFLAG_ISADDR = (1 << 1), /* enable r/w to nsect/lba regs */
@@ -199,6 +221,7 @@ enum {
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 */
+ ATA_TFLAG_POLLING = (1 << 6), /* set nIEN to 1 and use polling */
};
enum ata_tf_protocols {
@@ -207,6 +230,7 @@ enum ata_tf_protocols {
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 */
@@ -262,6 +286,8 @@ struct ata_taskfile {
#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) \
@@ -272,6 +298,8 @@ struct ata_taskfile {
((u64) (id)[(n) + 1] << 16) | \
((u64) (id)[(n) + 0]) )
+#define ata_id_cdb_intr(id) (((id)[0] & 0x60) == 0x20)
+
static inline unsigned int ata_id_major_version(const u16 *id)
{
unsigned int mver;
@@ -311,6 +339,15 @@ static inline int is_atapi_taskfile(const struct ata_taskfile *tf)
(tf->protocol == ATA_PROT_ATAPI_DMA);
}
+static inline int is_multi_taskfile(struct ata_taskfile *tf)
+{
+ return (tf->command == ATA_CMD_READ_MULTI) ||
+ (tf->command == ATA_CMD_WRITE_MULTI) ||
+ (tf->command == ATA_CMD_READ_MULTI_EXT) ||
+ (tf->command == ATA_CMD_WRITE_MULTI_EXT) ||
+ (tf->command == ATA_CMD_WRITE_MULTI_FUA_EXT);
+}
+
static inline int ata_ok(u8 status)
{
return ((status & (ATA_BUSY | ATA_DRDY | ATA_DF | ATA_DRQ | ATA_ERR))
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