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-rw-r--r--include/linux/ata.h41
1 files changed, 32 insertions, 9 deletions
diff --git a/include/linux/ata.h b/include/linux/ata.h
index a5b74efab067..d2873b732bb1 100644
--- a/include/linux/ata.h
+++ b/include/linux/ata.h
@@ -42,13 +42,18 @@ enum {
42 ATA_SECT_SIZE = 512, 42 ATA_SECT_SIZE = 512,
43 43
44 ATA_ID_WORDS = 256, 44 ATA_ID_WORDS = 256,
45 ATA_ID_PROD_OFS = 27,
46 ATA_ID_FW_REV_OFS = 23,
47 ATA_ID_SERNO_OFS = 10, 45 ATA_ID_SERNO_OFS = 10,
48 ATA_ID_MAJOR_VER = 80, 46 ATA_ID_FW_REV_OFS = 23,
49 ATA_ID_PIO_MODES = 64, 47 ATA_ID_PROD_OFS = 27,
48 ATA_ID_OLD_PIO_MODES = 51,
49 ATA_ID_FIELD_VALID = 53,
50 ATA_ID_MWDMA_MODES = 63, 50 ATA_ID_MWDMA_MODES = 63,
51 ATA_ID_PIO_MODES = 64,
52 ATA_ID_EIDE_DMA_MIN = 65,
53 ATA_ID_EIDE_PIO = 67,
54 ATA_ID_EIDE_PIO_IORDY = 68,
51 ATA_ID_UDMA_MODES = 88, 55 ATA_ID_UDMA_MODES = 88,
56 ATA_ID_MAJOR_VER = 80,
52 ATA_ID_PIO4 = (1 << 1), 57 ATA_ID_PIO4 = (1 << 1),
53 58
54 ATA_PCI_CTL_OFS = 2, 59 ATA_PCI_CTL_OFS = 2,
@@ -128,10 +133,15 @@ enum {
128 ATA_CMD_PIO_READ_EXT = 0x24, 133 ATA_CMD_PIO_READ_EXT = 0x24,
129 ATA_CMD_PIO_WRITE = 0x30, 134 ATA_CMD_PIO_WRITE = 0x30,
130 ATA_CMD_PIO_WRITE_EXT = 0x34, 135 ATA_CMD_PIO_WRITE_EXT = 0x34,
136 ATA_CMD_READ_MULTI = 0xC4,
137 ATA_CMD_READ_MULTI_EXT = 0x29,
138 ATA_CMD_WRITE_MULTI = 0xC5,
139 ATA_CMD_WRITE_MULTI_EXT = 0x39,
131 ATA_CMD_SET_FEATURES = 0xEF, 140 ATA_CMD_SET_FEATURES = 0xEF,
132 ATA_CMD_PACKET = 0xA0, 141 ATA_CMD_PACKET = 0xA0,
133 ATA_CMD_VERIFY = 0x40, 142 ATA_CMD_VERIFY = 0x40,
134 ATA_CMD_VERIFY_EXT = 0x42, 143 ATA_CMD_VERIFY_EXT = 0x42,
144 ATA_CMD_INIT_DEV_PARAMS = 0x91,
135 145
136 /* SETFEATURES stuff */ 146 /* SETFEATURES stuff */
137 SETFEATURES_XFER = 0x03, 147 SETFEATURES_XFER = 0x03,
@@ -146,14 +156,14 @@ enum {
146 XFER_MW_DMA_2 = 0x22, 156 XFER_MW_DMA_2 = 0x22,
147 XFER_MW_DMA_1 = 0x21, 157 XFER_MW_DMA_1 = 0x21,
148 XFER_MW_DMA_0 = 0x20, 158 XFER_MW_DMA_0 = 0x20,
159 XFER_SW_DMA_2 = 0x12,
160 XFER_SW_DMA_1 = 0x11,
161 XFER_SW_DMA_0 = 0x10,
149 XFER_PIO_4 = 0x0C, 162 XFER_PIO_4 = 0x0C,
150 XFER_PIO_3 = 0x0B, 163 XFER_PIO_3 = 0x0B,
151 XFER_PIO_2 = 0x0A, 164 XFER_PIO_2 = 0x0A,
152 XFER_PIO_1 = 0x09, 165 XFER_PIO_1 = 0x09,
153 XFER_PIO_0 = 0x08, 166 XFER_PIO_0 = 0x08,
154 XFER_SW_DMA_2 = 0x12,
155 XFER_SW_DMA_1 = 0x11,
156 XFER_SW_DMA_0 = 0x10,
157 XFER_PIO_SLOW = 0x00, 167 XFER_PIO_SLOW = 0x00,
158 168
159 /* ATAPI stuff */ 169 /* ATAPI stuff */
@@ -181,6 +191,7 @@ enum {
181 ATA_TFLAG_ISADDR = (1 << 1), /* enable r/w to nsect/lba regs */ 191 ATA_TFLAG_ISADDR = (1 << 1), /* enable r/w to nsect/lba regs */
182 ATA_TFLAG_DEVICE = (1 << 2), /* enable r/w to device reg */ 192 ATA_TFLAG_DEVICE = (1 << 2), /* enable r/w to device reg */
183 ATA_TFLAG_WRITE = (1 << 3), /* data dir: host->dev==1 (write) */ 193 ATA_TFLAG_WRITE = (1 << 3), /* data dir: host->dev==1 (write) */
194 ATA_TFLAG_LBA = (1 << 4), /* enable LBA */
184}; 195};
185 196
186enum ata_tf_protocols { 197enum ata_tf_protocols {
@@ -250,7 +261,19 @@ struct ata_taskfile {
250 ((u64) (id)[(n) + 1] << 16) | \ 261 ((u64) (id)[(n) + 1] << 16) | \
251 ((u64) (id)[(n) + 0]) ) 262 ((u64) (id)[(n) + 0]) )
252 263
253static inline int atapi_cdb_len(u16 *dev_id) 264static inline int ata_id_current_chs_valid(const u16 *id)
265{
266 /* For ATA-1 devices, if the INITIALIZE DEVICE PARAMETERS command
267 has not been issued to the device then the values of
268 id[54] to id[56] are vendor specific. */
269 return (id[53] & 0x01) && /* Current translation valid */
270 id[54] && /* cylinders in current translation */
271 id[55] && /* heads in current translation */
272 id[55] <= 16 &&
273 id[56]; /* sectors in current translation */
274}
275
276static inline int atapi_cdb_len(const u16 *dev_id)
254{ 277{
255 u16 tmp = dev_id[0] & 0x3; 278 u16 tmp = dev_id[0] & 0x3;
256 switch (tmp) { 279 switch (tmp) {
@@ -260,7 +283,7 @@ static inline int atapi_cdb_len(u16 *dev_id)
260 } 283 }
261} 284}
262 285
263static inline int is_atapi_taskfile(struct ata_taskfile *tf) 286static inline int is_atapi_taskfile(const struct ata_taskfile *tf)
264{ 287{
265 return (tf->protocol == ATA_PROT_ATAPI) || 288 return (tf->protocol == ATA_PROT_ATAPI) ||
266 (tf->protocol == ATA_PROT_ATAPI_NODATA) || 289 (tf->protocol == ATA_PROT_ATAPI_NODATA) ||