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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 312a2c0c64e6..3671af869696 100644
--- a/include/linux/ata.h
+++ b/include/linux/ata.h
@@ -97,6 +97,9 @@ enum {
97 ATA_DRQ = (1 << 3), /* data request i/o */ 97 ATA_DRQ = (1 << 3), /* data request i/o */
98 ATA_ERR = (1 << 0), /* have an error */ 98 ATA_ERR = (1 << 0), /* have an error */
99 ATA_SRST = (1 << 2), /* software reset */ 99 ATA_SRST = (1 << 2), /* software reset */
100 ATA_ICRC = (1 << 7), /* interface CRC error */
101 ATA_UNC = (1 << 6), /* uncorrectable media error */
102 ATA_IDNF = (1 << 4), /* ID not found */
100 ATA_ABORTED = (1 << 2), /* command aborted */ 103 ATA_ABORTED = (1 << 2), /* command aborted */
101 104
102 /* ATA command block registers */ 105 /* ATA command block registers */
@@ -130,6 +133,8 @@ enum {
130 ATA_CMD_WRITE = 0xCA, 133 ATA_CMD_WRITE = 0xCA,
131 ATA_CMD_WRITE_EXT = 0x35, 134 ATA_CMD_WRITE_EXT = 0x35,
132 ATA_CMD_WRITE_FUA_EXT = 0x3D, 135 ATA_CMD_WRITE_FUA_EXT = 0x3D,
136 ATA_CMD_FPDMA_READ = 0x60,
137 ATA_CMD_FPDMA_WRITE = 0x61,
133 ATA_CMD_PIO_READ = 0x20, 138 ATA_CMD_PIO_READ = 0x20,
134 ATA_CMD_PIO_READ_EXT = 0x24, 139 ATA_CMD_PIO_READ_EXT = 0x24,
135 ATA_CMD_PIO_WRITE = 0x30, 140 ATA_CMD_PIO_WRITE = 0x30,
@@ -148,6 +153,10 @@ enum {
148 ATA_CMD_INIT_DEV_PARAMS = 0x91, 153 ATA_CMD_INIT_DEV_PARAMS = 0x91,
149 ATA_CMD_READ_NATIVE_MAX = 0xF8, 154 ATA_CMD_READ_NATIVE_MAX = 0xF8,
150 ATA_CMD_READ_NATIVE_MAX_EXT = 0x27, 155 ATA_CMD_READ_NATIVE_MAX_EXT = 0x27,
156 ATA_CMD_READ_LOG_EXT = 0x2f,
157
158 /* READ_LOG_EXT pages */
159 ATA_LOG_SATA_NCQ = 0x10,
151 160
152 /* SETFEATURES stuff */ 161 /* SETFEATURES stuff */
153 SETFEATURES_XFER = 0x03, 162 SETFEATURES_XFER = 0x03,
@@ -172,6 +181,9 @@ enum {
172 XFER_PIO_0 = 0x08, 181 XFER_PIO_0 = 0x08,
173 XFER_PIO_SLOW = 0x00, 182 XFER_PIO_SLOW = 0x00,
174 183
184 SETFEATURES_WC_ON = 0x02, /* Enable write cache */
185 SETFEATURES_WC_OFF = 0x82, /* Disable write cache */
186
175 /* ATAPI stuff */ 187 /* ATAPI stuff */
176 ATAPI_PKT_DMA = (1 << 0), 188 ATAPI_PKT_DMA = (1 << 0),
177 ATAPI_DMADIR = (1 << 2), /* ATAPI data dir: 189 ATAPI_DMADIR = (1 << 2), /* ATAPI data dir:
@@ -192,6 +204,16 @@ enum {
192 SCR_ACTIVE = 3, 204 SCR_ACTIVE = 3,
193 SCR_NOTIFICATION = 4, 205 SCR_NOTIFICATION = 4,
194 206
207 /* SError bits */
208 SERR_DATA_RECOVERED = (1 << 0), /* recovered data error */
209 SERR_COMM_RECOVERED = (1 << 1), /* recovered comm failure */
210 SERR_DATA = (1 << 8), /* unrecovered data error */
211 SERR_PERSISTENT = (1 << 9), /* persistent data/comm error */
212 SERR_PROTOCOL = (1 << 10), /* protocol violation */
213 SERR_INTERNAL = (1 << 11), /* host internal error */
214 SERR_PHYRDY_CHG = (1 << 16), /* PHY RDY changed */
215 SERR_DEV_XCHG = (1 << 26), /* device exchanged */
216
195 /* struct ata_taskfile flags */ 217 /* struct ata_taskfile flags */
196 ATA_TFLAG_LBA48 = (1 << 0), /* enable 48-bit LBA and "HOB" */ 218 ATA_TFLAG_LBA48 = (1 << 0), /* enable 48-bit LBA and "HOB" */
197 ATA_TFLAG_ISADDR = (1 << 1), /* enable r/w to nsect/lba regs */ 219 ATA_TFLAG_ISADDR = (1 << 1), /* enable r/w to nsect/lba regs */
@@ -199,6 +221,7 @@ enum {
199 ATA_TFLAG_WRITE = (1 << 3), /* data dir: host->dev==1 (write) */ 221 ATA_TFLAG_WRITE = (1 << 3), /* data dir: host->dev==1 (write) */
200 ATA_TFLAG_LBA = (1 << 4), /* enable LBA */ 222 ATA_TFLAG_LBA = (1 << 4), /* enable LBA */
201 ATA_TFLAG_FUA = (1 << 5), /* enable FUA */ 223 ATA_TFLAG_FUA = (1 << 5), /* enable FUA */
224 ATA_TFLAG_POLLING = (1 << 6), /* set nIEN to 1 and use polling */
202}; 225};
203 226
204enum ata_tf_protocols { 227enum ata_tf_protocols {
@@ -207,6 +230,7 @@ enum ata_tf_protocols {
207 ATA_PROT_NODATA, /* no data */ 230 ATA_PROT_NODATA, /* no data */
208 ATA_PROT_PIO, /* PIO single sector */ 231 ATA_PROT_PIO, /* PIO single sector */
209 ATA_PROT_DMA, /* DMA */ 232 ATA_PROT_DMA, /* DMA */
233 ATA_PROT_NCQ, /* NCQ */
210 ATA_PROT_ATAPI, /* packet command, PIO data xfer*/ 234 ATA_PROT_ATAPI, /* packet command, PIO data xfer*/
211 ATA_PROT_ATAPI_NODATA, /* packet command, no data */ 235 ATA_PROT_ATAPI_NODATA, /* packet command, no data */
212 ATA_PROT_ATAPI_DMA, /* packet command with special DMA sauce */ 236 ATA_PROT_ATAPI_DMA, /* packet command with special DMA sauce */
@@ -262,6 +286,8 @@ struct ata_taskfile {
262#define ata_id_has_pm(id) ((id)[82] & (1 << 3)) 286#define ata_id_has_pm(id) ((id)[82] & (1 << 3))
263#define ata_id_has_lba(id) ((id)[49] & (1 << 9)) 287#define ata_id_has_lba(id) ((id)[49] & (1 << 9))
264#define ata_id_has_dma(id) ((id)[49] & (1 << 8)) 288#define ata_id_has_dma(id) ((id)[49] & (1 << 8))
289#define ata_id_has_ncq(id) ((id)[76] & (1 << 8))
290#define ata_id_queue_depth(id) (((id)[75] & 0x1f) + 1)
265#define ata_id_removeable(id) ((id)[0] & (1 << 7)) 291#define ata_id_removeable(id) ((id)[0] & (1 << 7))
266#define ata_id_has_dword_io(id) ((id)[50] & (1 << 0)) 292#define ata_id_has_dword_io(id) ((id)[50] & (1 << 0))
267#define ata_id_u32(id,n) \ 293#define ata_id_u32(id,n) \
@@ -272,6 +298,8 @@ struct ata_taskfile {
272 ((u64) (id)[(n) + 1] << 16) | \ 298 ((u64) (id)[(n) + 1] << 16) | \
273 ((u64) (id)[(n) + 0]) ) 299 ((u64) (id)[(n) + 0]) )
274 300
301#define ata_id_cdb_intr(id) (((id)[0] & 0x60) == 0x20)
302
275static inline unsigned int ata_id_major_version(const u16 *id) 303static inline unsigned int ata_id_major_version(const u16 *id)
276{ 304{
277 unsigned int mver; 305 unsigned int mver;
@@ -311,6 +339,15 @@ static inline int is_atapi_taskfile(const struct ata_taskfile *tf)
311 (tf->protocol == ATA_PROT_ATAPI_DMA); 339 (tf->protocol == ATA_PROT_ATAPI_DMA);
312} 340}
313 341
342static inline int is_multi_taskfile(struct ata_taskfile *tf)
343{
344 return (tf->command == ATA_CMD_READ_MULTI) ||
345 (tf->command == ATA_CMD_WRITE_MULTI) ||
346 (tf->command == ATA_CMD_READ_MULTI_EXT) ||
347 (tf->command == ATA_CMD_WRITE_MULTI_EXT) ||
348 (tf->command == ATA_CMD_WRITE_MULTI_FUA_EXT);
349}
350
314static inline int ata_ok(u8 status) 351static inline int ata_ok(u8 status)
315{ 352{
316 return ((status & (ATA_BUSY | ATA_DRDY | ATA_DF | ATA_DRQ | ATA_ERR)) 353 return ((status & (ATA_BUSY | ATA_DRDY | ATA_DF | ATA_DRQ | ATA_ERR))