1 /* SPDX-License-Identifier: GPL-2.0-or-later */
4 * Copyright 2003-2004 Red Hat, Inc. All rights reserved.
5 * Copyright 2003-2004 Jeff Garzik
7 * libata documentation is available via 'make {ps|pdf}docs',
8 * as Documentation/driver-api/libata.rst
10 * Hardware documentation available from http://www.t13.org/
13 #ifndef __LINUX_ATA_H__
14 #define __LINUX_ATA_H__
16 #include <linux/kernel.h>
17 #include <linux/string.h>
18 #include <linux/types.h>
19 #include <asm/byteorder.h>
21 /* defines only for the constants which don't work well as enums */
22 #define ATA_DMA_BOUNDARY 0xffffUL
23 #define ATA_DMA_MASK 0xffffffffULL
26 /* various global constants */
27 ATA_MAX_DEVICES
= 2, /* per bus/port */
28 ATA_MAX_PRD
= 256, /* we could make these 256/256 */
30 ATA_MAX_SECTORS_128
= 128,
31 ATA_MAX_SECTORS
= 256,
32 ATA_MAX_SECTORS_1024
= 1024,
33 ATA_MAX_SECTORS_LBA48
= 65535,/* avoid count to be 0000h */
34 ATA_MAX_SECTORS_TAPE
= 65535,
35 ATA_MAX_TRIM_RNUM
= 64, /* 512-byte payload / (6-byte LBA + 2-byte range per entry) */
46 ATA_ID_MAX_MULTSECT
= 47,
47 ATA_ID_DWORD_IO
= 48, /* before ATA-8 */
48 ATA_ID_TRUSTED
= 48, /* ATA-8 and later */
49 ATA_ID_CAPABILITY
= 49,
50 ATA_ID_OLD_PIO_MODES
= 51,
51 ATA_ID_OLD_DMA_MODES
= 52,
52 ATA_ID_FIELD_VALID
= 53,
54 ATA_ID_CUR_HEADS
= 55,
55 ATA_ID_CUR_SECTORS
= 56,
57 ATA_ID_LBA_CAPACITY
= 60,
58 ATA_ID_SWDMA_MODES
= 62,
59 ATA_ID_MWDMA_MODES
= 63,
60 ATA_ID_PIO_MODES
= 64,
61 ATA_ID_EIDE_DMA_MIN
= 65,
62 ATA_ID_EIDE_DMA_TIME
= 66,
64 ATA_ID_EIDE_PIO_IORDY
= 68,
65 ATA_ID_ADDITIONAL_SUPP
= 69,
66 ATA_ID_QUEUE_DEPTH
= 75,
67 ATA_ID_SATA_CAPABILITY
= 76,
68 ATA_ID_SATA_CAPABILITY_2
= 77,
69 ATA_ID_FEATURE_SUPP
= 78,
70 ATA_ID_MAJOR_VER
= 80,
71 ATA_ID_COMMAND_SET_1
= 82,
72 ATA_ID_COMMAND_SET_2
= 83,
74 ATA_ID_CFS_ENABLE_1
= 85,
75 ATA_ID_CFS_ENABLE_2
= 86,
76 ATA_ID_CSF_DEFAULT
= 87,
77 ATA_ID_UDMA_MODES
= 88,
78 ATA_ID_HW_CONFIG
= 93,
80 ATA_ID_LBA_CAPACITY_2
= 100,
81 ATA_ID_SECTOR_SIZE
= 106,
83 ATA_ID_LOGICAL_SECTOR_SIZE
= 117, /* and 118 */
84 ATA_ID_COMMAND_SET_3
= 119,
85 ATA_ID_COMMAND_SET_4
= 120,
86 ATA_ID_LAST_LUN
= 126,
89 ATA_ID_CFA_POWER
= 160,
90 ATA_ID_CFA_KEY_MGMT
= 162,
91 ATA_ID_CFA_MODES
= 163,
92 ATA_ID_DATA_SET_MGMT
= 169,
93 ATA_ID_SCT_CMD_XPORT
= 206,
94 ATA_ID_ROT_SPEED
= 217,
95 ATA_ID_PIO4
= (1 << 1),
97 ATA_ID_SERNO_LEN
= 20,
98 ATA_ID_FW_REV_LEN
= 8,
105 ATA_PIO1
= ATA_PIO0
| (1 << 1),
106 ATA_PIO2
= ATA_PIO1
| (1 << 2),
107 ATA_PIO3
= ATA_PIO2
| (1 << 3),
108 ATA_PIO4
= ATA_PIO3
| (1 << 4),
109 ATA_PIO5
= ATA_PIO4
| (1 << 5),
110 ATA_PIO6
= ATA_PIO5
| (1 << 6),
112 ATA_PIO4_ONLY
= (1 << 4),
114 ATA_SWDMA0
= (1 << 0),
115 ATA_SWDMA1
= ATA_SWDMA0
| (1 << 1),
116 ATA_SWDMA2
= ATA_SWDMA1
| (1 << 2),
118 ATA_SWDMA2_ONLY
= (1 << 2),
120 ATA_MWDMA0
= (1 << 0),
121 ATA_MWDMA1
= ATA_MWDMA0
| (1 << 1),
122 ATA_MWDMA2
= ATA_MWDMA1
| (1 << 2),
123 ATA_MWDMA3
= ATA_MWDMA2
| (1 << 3),
124 ATA_MWDMA4
= ATA_MWDMA3
| (1 << 4),
126 ATA_MWDMA12_ONLY
= (1 << 1) | (1 << 2),
127 ATA_MWDMA2_ONLY
= (1 << 2),
129 ATA_UDMA0
= (1 << 0),
130 ATA_UDMA1
= ATA_UDMA0
| (1 << 1),
131 ATA_UDMA2
= ATA_UDMA1
| (1 << 2),
132 ATA_UDMA3
= ATA_UDMA2
| (1 << 3),
133 ATA_UDMA4
= ATA_UDMA3
| (1 << 4),
134 ATA_UDMA5
= ATA_UDMA4
| (1 << 5),
135 ATA_UDMA6
= ATA_UDMA5
| (1 << 6),
136 ATA_UDMA7
= ATA_UDMA6
| (1 << 7),
137 /* ATA_UDMA7 is just for completeness... doesn't exist (yet?). */
139 ATA_UDMA24_ONLY
= (1 << 2) | (1 << 4),
141 ATA_UDMA_MASK_40C
= ATA_UDMA2
, /* udma0-2 */
145 ATA_PRD_TBL_SZ
= (ATA_MAX_PRD
* ATA_PRD_SZ
),
146 ATA_PRD_EOT
= (1 << 31), /* end-of-table flag */
148 ATA_DMA_TABLE_OFS
= 4,
151 ATA_DMA_WR
= (1 << 3),
152 ATA_DMA_START
= (1 << 0),
153 ATA_DMA_INTR
= (1 << 2),
154 ATA_DMA_ERR
= (1 << 1),
155 ATA_DMA_ACTIVE
= (1 << 0),
157 /* bits in ATA command block registers */
158 ATA_HOB
= (1 << 7), /* LBA48 selector */
159 ATA_NIEN
= (1 << 1), /* disable-irq flag */
160 ATA_LBA
= (1 << 6), /* LBA28 selector */
161 ATA_DEV1
= (1 << 4), /* Select Device 1 (slave) */
162 ATA_DEVICE_OBS
= (1 << 7) | (1 << 5), /* obs bits in dev reg */
163 ATA_DEVCTL_OBS
= (1 << 3), /* obsolete bit in devctl reg */
164 ATA_BUSY
= (1 << 7), /* BSY status bit */
165 ATA_DRDY
= (1 << 6), /* device ready */
166 ATA_DF
= (1 << 5), /* device fault */
167 ATA_DSC
= (1 << 4), /* drive seek complete */
168 ATA_DRQ
= (1 << 3), /* data request i/o */
169 ATA_CORR
= (1 << 2), /* corrected data error */
170 ATA_SENSE
= (1 << 1), /* sense code available */
171 ATA_ERR
= (1 << 0), /* have an error */
172 ATA_SRST
= (1 << 2), /* software reset */
173 ATA_ICRC
= (1 << 7), /* interface CRC error */
174 ATA_BBK
= ATA_ICRC
, /* pre-EIDE: block marked bad */
175 ATA_UNC
= (1 << 6), /* uncorrectable media error */
176 ATA_MC
= (1 << 5), /* media changed */
177 ATA_IDNF
= (1 << 4), /* ID not found */
178 ATA_MCR
= (1 << 3), /* media change requested */
179 ATA_ABORTED
= (1 << 2), /* command aborted */
180 ATA_TRK0NF
= (1 << 1), /* track 0 not found */
181 ATA_AMNF
= (1 << 0), /* address mark not found */
182 ATAPI_LFS
= 0xF0, /* last failed sense */
183 ATAPI_EOM
= ATA_TRK0NF
, /* end of media */
184 ATAPI_ILI
= ATA_AMNF
, /* illegal length indication */
186 ATAPI_COD
= (1 << 0),
188 /* ATA command block registers */
191 ATA_REG_NSECT
= 0x02,
195 ATA_REG_DEVICE
= 0x06,
196 ATA_REG_STATUS
= 0x07,
198 ATA_REG_FEATURE
= ATA_REG_ERR
, /* and their aliases */
199 ATA_REG_CMD
= ATA_REG_STATUS
,
200 ATA_REG_BYTEL
= ATA_REG_LBAM
,
201 ATA_REG_BYTEH
= ATA_REG_LBAH
,
202 ATA_REG_DEVSEL
= ATA_REG_DEVICE
,
203 ATA_REG_IRQ
= ATA_REG_NSECT
,
205 /* ATA device commands */
206 ATA_CMD_DEV_RESET
= 0x08, /* ATAPI device reset */
207 ATA_CMD_CHK_POWER
= 0xE5, /* check power mode */
208 ATA_CMD_STANDBY
= 0xE2, /* place in standby power mode */
209 ATA_CMD_IDLE
= 0xE3, /* place in idle power mode */
210 ATA_CMD_EDD
= 0x90, /* execute device diagnostic */
211 ATA_CMD_DOWNLOAD_MICRO
= 0x92,
212 ATA_CMD_DOWNLOAD_MICRO_DMA
= 0x93,
214 ATA_CMD_FLUSH
= 0xE7,
215 ATA_CMD_FLUSH_EXT
= 0xEA,
216 ATA_CMD_ID_ATA
= 0xEC,
217 ATA_CMD_ID_ATAPI
= 0xA1,
218 ATA_CMD_SERVICE
= 0xA2,
220 ATA_CMD_READ_EXT
= 0x25,
221 ATA_CMD_READ_QUEUED
= 0x26,
222 ATA_CMD_READ_STREAM_EXT
= 0x2B,
223 ATA_CMD_READ_STREAM_DMA_EXT
= 0x2A,
224 ATA_CMD_WRITE
= 0xCA,
225 ATA_CMD_WRITE_EXT
= 0x35,
226 ATA_CMD_WRITE_QUEUED
= 0x36,
227 ATA_CMD_WRITE_STREAM_EXT
= 0x3B,
228 ATA_CMD_WRITE_STREAM_DMA_EXT
= 0x3A,
229 ATA_CMD_WRITE_FUA_EXT
= 0x3D,
230 ATA_CMD_WRITE_QUEUED_FUA_EXT
= 0x3E,
231 ATA_CMD_FPDMA_READ
= 0x60,
232 ATA_CMD_FPDMA_WRITE
= 0x61,
233 ATA_CMD_NCQ_NON_DATA
= 0x63,
234 ATA_CMD_FPDMA_SEND
= 0x64,
235 ATA_CMD_FPDMA_RECV
= 0x65,
236 ATA_CMD_PIO_READ
= 0x20,
237 ATA_CMD_PIO_READ_EXT
= 0x24,
238 ATA_CMD_PIO_WRITE
= 0x30,
239 ATA_CMD_PIO_WRITE_EXT
= 0x34,
240 ATA_CMD_READ_MULTI
= 0xC4,
241 ATA_CMD_READ_MULTI_EXT
= 0x29,
242 ATA_CMD_WRITE_MULTI
= 0xC5,
243 ATA_CMD_WRITE_MULTI_EXT
= 0x39,
244 ATA_CMD_WRITE_MULTI_FUA_EXT
= 0xCE,
245 ATA_CMD_SET_FEATURES
= 0xEF,
246 ATA_CMD_SET_MULTI
= 0xC6,
247 ATA_CMD_PACKET
= 0xA0,
248 ATA_CMD_VERIFY
= 0x40,
249 ATA_CMD_VERIFY_EXT
= 0x42,
250 ATA_CMD_WRITE_UNCORR_EXT
= 0x45,
251 ATA_CMD_STANDBYNOW1
= 0xE0,
252 ATA_CMD_IDLEIMMEDIATE
= 0xE1,
253 ATA_CMD_SLEEP
= 0xE6,
254 ATA_CMD_INIT_DEV_PARAMS
= 0x91,
255 ATA_CMD_READ_NATIVE_MAX
= 0xF8,
256 ATA_CMD_READ_NATIVE_MAX_EXT
= 0x27,
257 ATA_CMD_SET_MAX
= 0xF9,
258 ATA_CMD_SET_MAX_EXT
= 0x37,
259 ATA_CMD_READ_LOG_EXT
= 0x2F,
260 ATA_CMD_WRITE_LOG_EXT
= 0x3F,
261 ATA_CMD_READ_LOG_DMA_EXT
= 0x47,
262 ATA_CMD_WRITE_LOG_DMA_EXT
= 0x57,
263 ATA_CMD_TRUSTED_NONDATA
= 0x5B,
264 ATA_CMD_TRUSTED_RCV
= 0x5C,
265 ATA_CMD_TRUSTED_RCV_DMA
= 0x5D,
266 ATA_CMD_TRUSTED_SND
= 0x5E,
267 ATA_CMD_TRUSTED_SND_DMA
= 0x5F,
268 ATA_CMD_PMP_READ
= 0xE4,
269 ATA_CMD_PMP_READ_DMA
= 0xE9,
270 ATA_CMD_PMP_WRITE
= 0xE8,
271 ATA_CMD_PMP_WRITE_DMA
= 0xEB,
272 ATA_CMD_CONF_OVERLAY
= 0xB1,
273 ATA_CMD_SEC_SET_PASS
= 0xF1,
274 ATA_CMD_SEC_UNLOCK
= 0xF2,
275 ATA_CMD_SEC_ERASE_PREP
= 0xF3,
276 ATA_CMD_SEC_ERASE_UNIT
= 0xF4,
277 ATA_CMD_SEC_FREEZE_LOCK
= 0xF5,
278 ATA_CMD_SEC_DISABLE_PASS
= 0xF6,
279 ATA_CMD_CONFIG_STREAM
= 0x51,
280 ATA_CMD_SMART
= 0xB0,
281 ATA_CMD_MEDIA_LOCK
= 0xDE,
282 ATA_CMD_MEDIA_UNLOCK
= 0xDF,
284 ATA_CMD_CHK_MED_CRD_TYP
= 0xD1,
285 ATA_CMD_CFA_REQ_EXT_ERR
= 0x03,
286 ATA_CMD_CFA_WRITE_NE
= 0x38,
287 ATA_CMD_CFA_TRANS_SECT
= 0x87,
288 ATA_CMD_CFA_ERASE
= 0xC0,
289 ATA_CMD_CFA_WRITE_MULT_NE
= 0xCD,
290 ATA_CMD_REQ_SENSE_DATA
= 0x0B,
291 ATA_CMD_SANITIZE_DEVICE
= 0xB4,
292 ATA_CMD_ZAC_MGMT_IN
= 0x4A,
293 ATA_CMD_ZAC_MGMT_OUT
= 0x9F,
295 /* marked obsolete in the ATA/ATAPI-7 spec */
296 ATA_CMD_RESTORE
= 0x10,
298 /* Subcmds for ATA_CMD_FPDMA_RECV */
299 ATA_SUBCMD_FPDMA_RECV_RD_LOG_DMA_EXT
= 0x01,
300 ATA_SUBCMD_FPDMA_RECV_ZAC_MGMT_IN
= 0x02,
302 /* Subcmds for ATA_CMD_FPDMA_SEND */
303 ATA_SUBCMD_FPDMA_SEND_DSM
= 0x00,
304 ATA_SUBCMD_FPDMA_SEND_WR_LOG_DMA_EXT
= 0x02,
306 /* Subcmds for ATA_CMD_NCQ_NON_DATA */
307 ATA_SUBCMD_NCQ_NON_DATA_ABORT_QUEUE
= 0x00,
308 ATA_SUBCMD_NCQ_NON_DATA_SET_FEATURES
= 0x05,
309 ATA_SUBCMD_NCQ_NON_DATA_ZERO_EXT
= 0x06,
310 ATA_SUBCMD_NCQ_NON_DATA_ZAC_MGMT_OUT
= 0x07,
312 /* Subcmds for ATA_CMD_ZAC_MGMT_IN */
313 ATA_SUBCMD_ZAC_MGMT_IN_REPORT_ZONES
= 0x00,
315 /* Subcmds for ATA_CMD_ZAC_MGMT_OUT */
316 ATA_SUBCMD_ZAC_MGMT_OUT_CLOSE_ZONE
= 0x01,
317 ATA_SUBCMD_ZAC_MGMT_OUT_FINISH_ZONE
= 0x02,
318 ATA_SUBCMD_ZAC_MGMT_OUT_OPEN_ZONE
= 0x03,
319 ATA_SUBCMD_ZAC_MGMT_OUT_RESET_WRITE_POINTER
= 0x04,
321 /* READ_LOG_EXT pages */
322 ATA_LOG_DIRECTORY
= 0x0,
323 ATA_LOG_SATA_NCQ
= 0x10,
324 ATA_LOG_NCQ_NON_DATA
= 0x12,
325 ATA_LOG_NCQ_SEND_RECV
= 0x13,
326 ATA_LOG_IDENTIFY_DEVICE
= 0x30,
328 /* Identify device log pages: */
329 ATA_LOG_SECURITY
= 0x06,
330 ATA_LOG_SATA_SETTINGS
= 0x08,
331 ATA_LOG_ZONED_INFORMATION
= 0x09,
333 /* Identify device SATA settings log:*/
334 ATA_LOG_DEVSLP_OFFSET
= 0x30,
335 ATA_LOG_DEVSLP_SIZE
= 0x08,
336 ATA_LOG_DEVSLP_MDAT
= 0x00,
337 ATA_LOG_DEVSLP_MDAT_MASK
= 0x1F,
338 ATA_LOG_DEVSLP_DETO
= 0x01,
339 ATA_LOG_DEVSLP_VALID
= 0x07,
340 ATA_LOG_DEVSLP_VALID_MASK
= 0x80,
341 ATA_LOG_NCQ_PRIO_OFFSET
= 0x09,
343 /* NCQ send and receive log */
344 ATA_LOG_NCQ_SEND_RECV_SUBCMDS_OFFSET
= 0x00,
345 ATA_LOG_NCQ_SEND_RECV_SUBCMDS_DSM
= (1 << 0),
346 ATA_LOG_NCQ_SEND_RECV_DSM_OFFSET
= 0x04,
347 ATA_LOG_NCQ_SEND_RECV_DSM_TRIM
= (1 << 0),
348 ATA_LOG_NCQ_SEND_RECV_RD_LOG_OFFSET
= 0x08,
349 ATA_LOG_NCQ_SEND_RECV_RD_LOG_SUPPORTED
= (1 << 0),
350 ATA_LOG_NCQ_SEND_RECV_WR_LOG_OFFSET
= 0x0C,
351 ATA_LOG_NCQ_SEND_RECV_WR_LOG_SUPPORTED
= (1 << 0),
352 ATA_LOG_NCQ_SEND_RECV_ZAC_MGMT_OFFSET
= 0x10,
353 ATA_LOG_NCQ_SEND_RECV_ZAC_MGMT_OUT_SUPPORTED
= (1 << 0),
354 ATA_LOG_NCQ_SEND_RECV_ZAC_MGMT_IN_SUPPORTED
= (1 << 1),
355 ATA_LOG_NCQ_SEND_RECV_SIZE
= 0x14,
357 /* NCQ Non-Data log */
358 ATA_LOG_NCQ_NON_DATA_SUBCMDS_OFFSET
= 0x00,
359 ATA_LOG_NCQ_NON_DATA_ABORT_OFFSET
= 0x00,
360 ATA_LOG_NCQ_NON_DATA_ABORT_NCQ
= (1 << 0),
361 ATA_LOG_NCQ_NON_DATA_ABORT_ALL
= (1 << 1),
362 ATA_LOG_NCQ_NON_DATA_ABORT_STREAMING
= (1 << 2),
363 ATA_LOG_NCQ_NON_DATA_ABORT_NON_STREAMING
= (1 << 3),
364 ATA_LOG_NCQ_NON_DATA_ABORT_SELECTED
= (1 << 4),
365 ATA_LOG_NCQ_NON_DATA_ZAC_MGMT_OFFSET
= 0x1C,
366 ATA_LOG_NCQ_NON_DATA_ZAC_MGMT_OUT
= (1 << 0),
367 ATA_LOG_NCQ_NON_DATA_SIZE
= 0x40,
369 /* READ/WRITE LONG (obsolete) */
370 ATA_CMD_READ_LONG
= 0x22,
371 ATA_CMD_READ_LONG_ONCE
= 0x23,
372 ATA_CMD_WRITE_LONG
= 0x32,
373 ATA_CMD_WRITE_LONG_ONCE
= 0x33,
375 /* SETFEATURES stuff */
376 SETFEATURES_XFER
= 0x03,
385 XFER_MW_DMA_4
= 0x24, /* CFA only */
386 XFER_MW_DMA_3
= 0x23, /* CFA only */
387 XFER_MW_DMA_2
= 0x22,
388 XFER_MW_DMA_1
= 0x21,
389 XFER_MW_DMA_0
= 0x20,
390 XFER_SW_DMA_2
= 0x12,
391 XFER_SW_DMA_1
= 0x11,
392 XFER_SW_DMA_0
= 0x10,
393 XFER_PIO_6
= 0x0E, /* CFA only */
394 XFER_PIO_5
= 0x0D, /* CFA only */
400 XFER_PIO_SLOW
= 0x00,
402 SETFEATURES_WC_ON
= 0x02, /* Enable write cache */
403 SETFEATURES_WC_OFF
= 0x82, /* Disable write cache */
405 SETFEATURES_RA_ON
= 0xaa, /* Enable read look-ahead */
406 SETFEATURES_RA_OFF
= 0x55, /* Disable read look-ahead */
408 /* Enable/Disable Automatic Acoustic Management */
409 SETFEATURES_AAM_ON
= 0x42,
410 SETFEATURES_AAM_OFF
= 0xC2,
412 SETFEATURES_SPINUP
= 0x07, /* Spin-up drive */
413 SETFEATURES_SPINUP_TIMEOUT
= 30000, /* 30s timeout for drive spin-up from PUIS */
415 SETFEATURES_SATA_ENABLE
= 0x10, /* Enable use of SATA feature */
416 SETFEATURES_SATA_DISABLE
= 0x90, /* Disable use of SATA feature */
418 /* SETFEATURE Sector counts for SATA features */
419 SATA_FPDMA_OFFSET
= 0x01, /* FPDMA non-zero buffer offsets */
420 SATA_FPDMA_AA
= 0x02, /* FPDMA Setup FIS Auto-Activate */
421 SATA_DIPM
= 0x03, /* Device Initiated Power Management */
422 SATA_FPDMA_IN_ORDER
= 0x04, /* FPDMA in-order data delivery */
423 SATA_AN
= 0x05, /* Asynchronous Notification */
424 SATA_SSP
= 0x06, /* Software Settings Preservation */
425 SATA_DEVSLP
= 0x09, /* Device Sleep */
427 SETFEATURE_SENSE_DATA
= 0xC3, /* Sense Data Reporting feature */
429 /* feature values for SET_MAX */
430 ATA_SET_MAX_ADDR
= 0x00,
431 ATA_SET_MAX_PASSWD
= 0x01,
432 ATA_SET_MAX_LOCK
= 0x02,
433 ATA_SET_MAX_UNLOCK
= 0x03,
434 ATA_SET_MAX_FREEZE_LOCK
= 0x04,
435 ATA_SET_MAX_PASSWD_DMA
= 0x05,
436 ATA_SET_MAX_UNLOCK_DMA
= 0x06,
438 /* feature values for DEVICE CONFIGURATION OVERLAY */
439 ATA_DCO_RESTORE
= 0xC0,
440 ATA_DCO_FREEZE_LOCK
= 0xC1,
441 ATA_DCO_IDENTIFY
= 0xC2,
444 /* feature values for SMART */
445 ATA_SMART_ENABLE
= 0xD8,
446 ATA_SMART_READ_VALUES
= 0xD0,
447 ATA_SMART_READ_THRESHOLDS
= 0xD1,
449 /* feature values for Data Set Management */
452 /* password used in LBA Mid / LBA High for executing SMART commands */
453 ATA_SMART_LBAM_PASS
= 0x4F,
454 ATA_SMART_LBAH_PASS
= 0xC2,
457 ATAPI_PKT_DMA
= (1 << 0),
458 ATAPI_DMADIR
= (1 << 2), /* ATAPI data dir:
459 0=to device, 1=to host */
463 SATA_PMP_MAX_PORTS
= 15,
464 SATA_PMP_CTRL_PORT
= 15,
466 SATA_PMP_GSCR_DWORDS
= 128,
467 SATA_PMP_GSCR_PROD_ID
= 0,
468 SATA_PMP_GSCR_REV
= 1,
469 SATA_PMP_GSCR_PORT_INFO
= 2,
470 SATA_PMP_GSCR_ERROR
= 32,
471 SATA_PMP_GSCR_ERROR_EN
= 33,
472 SATA_PMP_GSCR_FEAT
= 64,
473 SATA_PMP_GSCR_FEAT_EN
= 96,
475 SATA_PMP_PSCR_STATUS
= 0,
476 SATA_PMP_PSCR_ERROR
= 1,
477 SATA_PMP_PSCR_CONTROL
= 2,
479 SATA_PMP_FEAT_BIST
= (1 << 0),
480 SATA_PMP_FEAT_PMREQ
= (1 << 1),
481 SATA_PMP_FEAT_DYNSSC
= (1 << 2),
482 SATA_PMP_FEAT_NOTIFY
= (1 << 3),
488 ATA_CBL_PATA40_SHORT
= 3, /* 40 wire cable to high UDMA spec */
489 ATA_CBL_PATA_UNK
= 4, /* don't know, maybe 80c? */
490 ATA_CBL_PATA_IGN
= 5, /* don't know, ignore cable handling */
493 /* SATA Status and Control Registers */
498 SCR_NOTIFICATION
= 4,
501 SERR_DATA_RECOVERED
= (1 << 0), /* recovered data error */
502 SERR_COMM_RECOVERED
= (1 << 1), /* recovered comm failure */
503 SERR_DATA
= (1 << 8), /* unrecovered data error */
504 SERR_PERSISTENT
= (1 << 9), /* persistent data/comm error */
505 SERR_PROTOCOL
= (1 << 10), /* protocol violation */
506 SERR_INTERNAL
= (1 << 11), /* host internal error */
507 SERR_PHYRDY_CHG
= (1 << 16), /* PHY RDY changed */
508 SERR_PHY_INT_ERR
= (1 << 17), /* PHY internal error */
509 SERR_COMM_WAKE
= (1 << 18), /* Comm wake */
510 SERR_10B_8B_ERR
= (1 << 19), /* 10b to 8b decode error */
511 SERR_DISPARITY
= (1 << 20), /* Disparity */
512 SERR_CRC
= (1 << 21), /* CRC error */
513 SERR_HANDSHAKE
= (1 << 22), /* Handshake error */
514 SERR_LINK_SEQ_ERR
= (1 << 23), /* Link sequence error */
515 SERR_TRANS_ST_ERROR
= (1 << 24), /* Transport state trans. error */
516 SERR_UNRECOG_FIS
= (1 << 25), /* Unrecognized FIS */
517 SERR_DEV_XCHG
= (1 << 26), /* device exchanged */
520 enum ata_prot_flags
{
522 ATA_PROT_FLAG_PIO
= (1 << 0), /* is PIO */
523 ATA_PROT_FLAG_DMA
= (1 << 1), /* is DMA */
524 ATA_PROT_FLAG_NCQ
= (1 << 2), /* is NCQ */
525 ATA_PROT_FLAG_ATAPI
= (1 << 3), /* is ATAPI */
527 /* taskfile protocols */
528 ATA_PROT_UNKNOWN
= (u8
)-1,
530 ATA_PROT_PIO
= ATA_PROT_FLAG_PIO
,
531 ATA_PROT_DMA
= ATA_PROT_FLAG_DMA
,
532 ATA_PROT_NCQ_NODATA
= ATA_PROT_FLAG_NCQ
,
533 ATA_PROT_NCQ
= ATA_PROT_FLAG_DMA
| ATA_PROT_FLAG_NCQ
,
534 ATAPI_PROT_NODATA
= ATA_PROT_FLAG_ATAPI
,
535 ATAPI_PROT_PIO
= ATA_PROT_FLAG_ATAPI
| ATA_PROT_FLAG_PIO
,
536 ATAPI_PROT_DMA
= ATA_PROT_FLAG_ATAPI
| ATA_PROT_FLAG_DMA
,
540 ATA_IOC_GET_IO32
= 0x309, /* HDIO_GET_32BIT */
541 ATA_IOC_SET_IO32
= 0x324, /* HDIO_SET_32BIT */
544 /* core structures */
546 struct ata_bmdma_prd
{
554 #define ata_id_is_ata(id) (((id)[ATA_ID_CONFIG] & (1 << 15)) == 0)
555 #define ata_id_has_lba(id) ((id)[ATA_ID_CAPABILITY] & (1 << 9))
556 #define ata_id_has_dma(id) ((id)[ATA_ID_CAPABILITY] & (1 << 8))
557 #define ata_id_has_ncq(id) ((id)[ATA_ID_SATA_CAPABILITY] & (1 << 8))
558 #define ata_id_queue_depth(id) (((id)[ATA_ID_QUEUE_DEPTH] & 0x1f) + 1)
559 #define ata_id_removable(id) ((id)[ATA_ID_CONFIG] & (1 << 7))
560 #define ata_id_has_atapi_AN(id) \
561 ((((id)[ATA_ID_SATA_CAPABILITY] != 0x0000) && \
562 ((id)[ATA_ID_SATA_CAPABILITY] != 0xffff)) && \
563 ((id)[ATA_ID_FEATURE_SUPP] & (1 << 5)))
564 #define ata_id_has_fpdma_aa(id) \
565 ((((id)[ATA_ID_SATA_CAPABILITY] != 0x0000) && \
566 ((id)[ATA_ID_SATA_CAPABILITY] != 0xffff)) && \
567 ((id)[ATA_ID_FEATURE_SUPP] & (1 << 2)))
568 #define ata_id_iordy_disable(id) ((id)[ATA_ID_CAPABILITY] & (1 << 10))
569 #define ata_id_has_iordy(id) ((id)[ATA_ID_CAPABILITY] & (1 << 11))
570 #define ata_id_u32(id,n) \
571 (((u32) (id)[(n) + 1] << 16) | ((u32) (id)[(n)]))
572 #define ata_id_u64(id,n) \
573 ( ((u64) (id)[(n) + 3] << 48) | \
574 ((u64) (id)[(n) + 2] << 32) | \
575 ((u64) (id)[(n) + 1] << 16) | \
576 ((u64) (id)[(n) + 0]) )
578 #define ata_id_cdb_intr(id) (((id)[ATA_ID_CONFIG] & 0x60) == 0x20)
579 #define ata_id_has_da(id) ((id)[ATA_ID_SATA_CAPABILITY_2] & (1 << 4))
580 #define ata_id_has_devslp(id) ((id)[ATA_ID_FEATURE_SUPP] & (1 << 8))
581 #define ata_id_has_ncq_autosense(id) \
582 ((id)[ATA_ID_FEATURE_SUPP] & (1 << 7))
584 static inline bool ata_id_has_hipm(const u16
*id
)
586 u16 val
= id
[ATA_ID_SATA_CAPABILITY
];
588 if (val
== 0 || val
== 0xffff)
591 return val
& (1 << 9);
594 static inline bool ata_id_has_dipm(const u16
*id
)
596 u16 val
= id
[ATA_ID_FEATURE_SUPP
];
598 if (val
== 0 || val
== 0xffff)
601 return val
& (1 << 3);
605 static inline bool ata_id_has_fua(const u16
*id
)
607 if ((id
[ATA_ID_CFSSE
] & 0xC000) != 0x4000)
609 return id
[ATA_ID_CFSSE
] & (1 << 6);
612 static inline bool ata_id_has_flush(const u16
*id
)
614 if ((id
[ATA_ID_COMMAND_SET_2
] & 0xC000) != 0x4000)
616 return id
[ATA_ID_COMMAND_SET_2
] & (1 << 12);
619 static inline bool ata_id_flush_enabled(const u16
*id
)
621 if (ata_id_has_flush(id
) == 0)
623 if ((id
[ATA_ID_CSF_DEFAULT
] & 0xC000) != 0x4000)
625 return id
[ATA_ID_CFS_ENABLE_2
] & (1 << 12);
628 static inline bool ata_id_has_flush_ext(const u16
*id
)
630 if ((id
[ATA_ID_COMMAND_SET_2
] & 0xC000) != 0x4000)
632 return id
[ATA_ID_COMMAND_SET_2
] & (1 << 13);
635 static inline bool ata_id_flush_ext_enabled(const u16
*id
)
637 if (ata_id_has_flush_ext(id
) == 0)
639 if ((id
[ATA_ID_CSF_DEFAULT
] & 0xC000) != 0x4000)
642 * some Maxtor disks have bit 13 defined incorrectly
643 * so check bit 10 too
645 return (id
[ATA_ID_CFS_ENABLE_2
] & 0x2400) == 0x2400;
648 static inline u32
ata_id_logical_sector_size(const u16
*id
)
650 /* T13/1699-D Revision 6a, Sep 6, 2008. Page 128.
651 * IDENTIFY DEVICE data, word 117-118.
652 * 0xd000 ignores bit 13 (logical:physical > 1)
654 if ((id
[ATA_ID_SECTOR_SIZE
] & 0xd000) == 0x5000)
655 return (((id
[ATA_ID_LOGICAL_SECTOR_SIZE
+1] << 16)
656 + id
[ATA_ID_LOGICAL_SECTOR_SIZE
]) * sizeof(u16
)) ;
657 return ATA_SECT_SIZE
;
660 static inline u8
ata_id_log2_per_physical_sector(const u16
*id
)
662 /* T13/1699-D Revision 6a, Sep 6, 2008. Page 128.
663 * IDENTIFY DEVICE data, word 106.
664 * 0xe000 ignores bit 12 (logical sector > 512 bytes)
666 if ((id
[ATA_ID_SECTOR_SIZE
] & 0xe000) == 0x6000)
667 return (id
[ATA_ID_SECTOR_SIZE
] & 0xf);
671 /* Offset of logical sectors relative to physical sectors.
673 * If device has more than one logical sector per physical sector
674 * (aka 512 byte emulation), vendors might offset the "sector 0" address
675 * so sector 63 is "naturally aligned" - e.g. FAT partition table.
676 * This avoids Read/Mod/Write penalties when using FAT partition table
677 * and updating "well aligned" (FS perspective) physical sectors on every
680 static inline u16
ata_id_logical_sector_offset(const u16
*id
,
683 u16 word_209
= id
[209];
685 if ((log2_per_phys
> 1) && (word_209
& 0xc000) == 0x4000) {
686 u16 first
= word_209
& 0x3fff;
688 return (1 << log2_per_phys
) - first
;
693 static inline bool ata_id_has_lba48(const u16
*id
)
695 if ((id
[ATA_ID_COMMAND_SET_2
] & 0xC000) != 0x4000)
697 if (!ata_id_u64(id
, ATA_ID_LBA_CAPACITY_2
))
699 return id
[ATA_ID_COMMAND_SET_2
] & (1 << 10);
702 static inline bool ata_id_lba48_enabled(const u16
*id
)
704 if (ata_id_has_lba48(id
) == 0)
706 if ((id
[ATA_ID_CSF_DEFAULT
] & 0xC000) != 0x4000)
708 return id
[ATA_ID_CFS_ENABLE_2
] & (1 << 10);
711 static inline bool ata_id_hpa_enabled(const u16
*id
)
713 /* Yes children, word 83 valid bits cover word 82 data */
714 if ((id
[ATA_ID_COMMAND_SET_2
] & 0xC000) != 0x4000)
716 /* And 87 covers 85-87 */
717 if ((id
[ATA_ID_CSF_DEFAULT
] & 0xC000) != 0x4000)
719 /* Check command sets enabled as well as supported */
720 if ((id
[ATA_ID_CFS_ENABLE_1
] & (1 << 10)) == 0)
722 return id
[ATA_ID_COMMAND_SET_1
] & (1 << 10);
725 static inline bool ata_id_has_wcache(const u16
*id
)
727 /* Yes children, word 83 valid bits cover word 82 data */
728 if ((id
[ATA_ID_COMMAND_SET_2
] & 0xC000) != 0x4000)
730 return id
[ATA_ID_COMMAND_SET_1
] & (1 << 5);
733 static inline bool ata_id_has_pm(const u16
*id
)
735 if ((id
[ATA_ID_COMMAND_SET_2
] & 0xC000) != 0x4000)
737 return id
[ATA_ID_COMMAND_SET_1
] & (1 << 3);
740 static inline bool ata_id_rahead_enabled(const u16
*id
)
742 if ((id
[ATA_ID_CSF_DEFAULT
] & 0xC000) != 0x4000)
744 return id
[ATA_ID_CFS_ENABLE_1
] & (1 << 6);
747 static inline bool ata_id_wcache_enabled(const u16
*id
)
749 if ((id
[ATA_ID_CSF_DEFAULT
] & 0xC000) != 0x4000)
751 return id
[ATA_ID_CFS_ENABLE_1
] & (1 << 5);
754 static inline bool ata_id_has_read_log_dma_ext(const u16
*id
)
756 /* Word 86 must have bit 15 set */
757 if (!(id
[ATA_ID_CFS_ENABLE_2
] & (1 << 15)))
760 /* READ LOG DMA EXT support can be signaled either from word 119
761 * or from word 120. The format is the same for both words: Bit
762 * 15 must be cleared, bit 14 set and bit 3 set.
764 if ((id
[ATA_ID_COMMAND_SET_3
] & 0xC008) == 0x4008 ||
765 (id
[ATA_ID_COMMAND_SET_4
] & 0xC008) == 0x4008)
771 static inline bool ata_id_has_sense_reporting(const u16
*id
)
773 if (!(id
[ATA_ID_CFS_ENABLE_2
] & (1 << 15)))
775 return id
[ATA_ID_COMMAND_SET_3
] & (1 << 6);
778 static inline bool ata_id_sense_reporting_enabled(const u16
*id
)
780 if (!(id
[ATA_ID_CFS_ENABLE_2
] & (1 << 15)))
782 return id
[ATA_ID_COMMAND_SET_4
] & (1 << 6);
787 * Word: 206 - SCT Command Transport
788 * 15:12 - Vendor Specific
790 * 5 - SCT Command Transport Data Tables supported
791 * 4 - SCT Command Transport Features Control supported
792 * 3 - SCT Command Transport Error Recovery Control supported
793 * 2 - SCT Command Transport Write Same supported
794 * 1 - SCT Command Transport Long Sector Access supported
795 * 0 - SCT Command Transport supported
797 static inline bool ata_id_sct_data_tables(const u16
*id
)
799 return id
[ATA_ID_SCT_CMD_XPORT
] & (1 << 5) ? true : false;
802 static inline bool ata_id_sct_features_ctrl(const u16
*id
)
804 return id
[ATA_ID_SCT_CMD_XPORT
] & (1 << 4) ? true : false;
807 static inline bool ata_id_sct_error_recovery_ctrl(const u16
*id
)
809 return id
[ATA_ID_SCT_CMD_XPORT
] & (1 << 3) ? true : false;
812 static inline bool ata_id_sct_long_sector_access(const u16
*id
)
814 return id
[ATA_ID_SCT_CMD_XPORT
] & (1 << 1) ? true : false;
817 static inline bool ata_id_sct_supported(const u16
*id
)
819 return id
[ATA_ID_SCT_CMD_XPORT
] & (1 << 0) ? true : false;
823 * ata_id_major_version - get ATA level of drive
827 * ATA-1 considers identify optional
828 * ATA-2 introduces mandatory identify
829 * ATA-3 introduces word 80 and accurate reporting
831 * The practical impact of this is that ata_id_major_version cannot
832 * reliably report on drives below ATA3.
835 static inline unsigned int ata_id_major_version(const u16
*id
)
839 if (id
[ATA_ID_MAJOR_VER
] == 0xFFFF)
842 for (mver
= 14; mver
>= 1; mver
--)
843 if (id
[ATA_ID_MAJOR_VER
] & (1 << mver
))
848 static inline bool ata_id_is_sata(const u16
*id
)
851 * See if word 93 is 0 AND drive is at least ATA-5 compatible
852 * verifying that word 80 by casting it to a signed type --
853 * this trick allows us to filter out the reserved values of
854 * 0x0000 and 0xffff along with the earlier ATA revisions...
856 if (id
[ATA_ID_HW_CONFIG
] == 0 && (short)id
[ATA_ID_MAJOR_VER
] >= 0x0020)
861 static inline bool ata_id_has_tpm(const u16
*id
)
863 /* The TPM bits are only valid on ATA8 */
864 if (ata_id_major_version(id
) < 8)
866 if ((id
[48] & 0xC000) != 0x4000)
868 return id
[48] & (1 << 0);
871 static inline bool ata_id_has_dword_io(const u16
*id
)
873 /* ATA 8 reuses this flag for "trusted" computing */
874 if (ata_id_major_version(id
) > 7)
876 return id
[ATA_ID_DWORD_IO
] & (1 << 0);
879 static inline bool ata_id_has_trusted(const u16
*id
)
881 if (ata_id_major_version(id
) <= 7)
883 return id
[ATA_ID_TRUSTED
] & (1 << 0);
886 static inline bool ata_id_has_unload(const u16
*id
)
888 if (ata_id_major_version(id
) >= 7 &&
889 (id
[ATA_ID_CFSSE
] & 0xC000) == 0x4000 &&
890 id
[ATA_ID_CFSSE
] & (1 << 13))
895 static inline bool ata_id_has_wwn(const u16
*id
)
897 return (id
[ATA_ID_CSF_DEFAULT
] & 0xC100) == 0x4100;
900 static inline int ata_id_form_factor(const u16
*id
)
904 if (ata_id_major_version(id
) < 7 || val
== 0 || val
== 0xffff)
915 static inline int ata_id_rotation_rate(const u16
*id
)
919 if (ata_id_major_version(id
) < 7 || val
== 0 || val
== 0xffff)
922 if (val
> 1 && val
< 0x401)
928 static inline bool ata_id_has_ncq_send_and_recv(const u16
*id
)
930 return id
[ATA_ID_SATA_CAPABILITY_2
] & BIT(6);
933 static inline bool ata_id_has_ncq_non_data(const u16
*id
)
935 return id
[ATA_ID_SATA_CAPABILITY_2
] & BIT(5);
938 static inline bool ata_id_has_ncq_prio(const u16
*id
)
940 return id
[ATA_ID_SATA_CAPABILITY
] & BIT(12);
943 static inline bool ata_id_has_trim(const u16
*id
)
945 if (ata_id_major_version(id
) >= 7 &&
946 (id
[ATA_ID_DATA_SET_MGMT
] & 1))
951 static inline bool ata_id_has_zero_after_trim(const u16
*id
)
953 /* DSM supported, deterministic read, and read zero after trim set */
954 if (ata_id_has_trim(id
) &&
955 (id
[ATA_ID_ADDITIONAL_SUPP
] & 0x4020) == 0x4020)
961 static inline bool ata_id_current_chs_valid(const u16
*id
)
963 /* For ATA-1 devices, if the INITIALIZE DEVICE PARAMETERS command
964 has not been issued to the device then the values of
965 id[ATA_ID_CUR_CYLS] to id[ATA_ID_CUR_SECTORS] are vendor specific. */
966 return (id
[ATA_ID_FIELD_VALID
] & 1) && /* Current translation valid */
967 id
[ATA_ID_CUR_CYLS
] && /* cylinders in current translation */
968 id
[ATA_ID_CUR_HEADS
] && /* heads in current translation */
969 id
[ATA_ID_CUR_HEADS
] <= 16 &&
970 id
[ATA_ID_CUR_SECTORS
]; /* sectors in current translation */
973 static inline bool ata_id_is_cfa(const u16
*id
)
975 if ((id
[ATA_ID_CONFIG
] == 0x848A) || /* Traditional CF */
976 (id
[ATA_ID_CONFIG
] == 0x844A)) /* Delkin Devices CF */
979 * CF specs don't require specific value in the word 0 anymore and yet
980 * they forbid to report the ATA version in the word 80 and require the
981 * CFA feature set support to be indicated in the word 83 in this case.
982 * Unfortunately, some cards only follow either of this requirements,
983 * and while those that don't indicate CFA feature support need some
984 * sort of quirk list, it seems impractical for the ones that do...
986 return (id
[ATA_ID_COMMAND_SET_2
] & 0xC004) == 0x4004;
989 static inline bool ata_id_is_ssd(const u16
*id
)
991 return id
[ATA_ID_ROT_SPEED
] == 0x01;
994 static inline u8
ata_id_zoned_cap(const u16
*id
)
996 return (id
[ATA_ID_ADDITIONAL_SUPP
] & 0x3);
999 static inline bool ata_id_pio_need_iordy(const u16
*id
, const u8 pio
)
1001 /* CF spec. r4.1 Table 22 says no IORDY on PIO5 and PIO6. */
1002 if (pio
> 4 && ata_id_is_cfa(id
))
1004 /* For PIO3 and higher it is mandatory. */
1007 /* Turn it on when possible. */
1008 return ata_id_has_iordy(id
);
1011 static inline bool ata_drive_40wire(const u16
*dev_id
)
1013 if (ata_id_is_sata(dev_id
))
1014 return false; /* SATA */
1015 if ((dev_id
[ATA_ID_HW_CONFIG
] & 0xE000) == 0x6000)
1016 return false; /* 80 wire */
1020 static inline bool ata_drive_40wire_relaxed(const u16
*dev_id
)
1022 if ((dev_id
[ATA_ID_HW_CONFIG
] & 0x2000) == 0x2000)
1023 return false; /* 80 wire */
1027 static inline int atapi_cdb_len(const u16
*dev_id
)
1029 u16 tmp
= dev_id
[ATA_ID_CONFIG
] & 0x3;
1037 static inline int atapi_command_packet_set(const u16
*dev_id
)
1039 return (dev_id
[ATA_ID_CONFIG
] >> 8) & 0x1f;
1042 static inline bool atapi_id_dmadir(const u16
*dev_id
)
1044 return ata_id_major_version(dev_id
) >= 7 && (dev_id
[62] & 0x8000);
1048 * ata_id_is_lba_capacity_ok() performs a sanity check on
1049 * the claimed LBA capacity value for the device.
1051 * Returns 1 if LBA capacity looks sensible, 0 otherwise.
1053 * It is called only once for each device.
1055 static inline bool ata_id_is_lba_capacity_ok(u16
*id
)
1057 unsigned long lba_sects
, chs_sects
, head
, tail
;
1059 /* No non-LBA info .. so valid! */
1060 if (id
[ATA_ID_CYLS
] == 0)
1063 lba_sects
= ata_id_u32(id
, ATA_ID_LBA_CAPACITY
);
1066 * The ATA spec tells large drives to return
1067 * C/H/S = 16383/16/63 independent of their size.
1068 * Some drives can be jumpered to use 15 heads instead of 16.
1069 * Some drives can be jumpered to use 4092 cyls instead of 16383.
1071 if ((id
[ATA_ID_CYLS
] == 16383 ||
1072 (id
[ATA_ID_CYLS
] == 4092 && id
[ATA_ID_CUR_CYLS
] == 16383)) &&
1073 id
[ATA_ID_SECTORS
] == 63 &&
1074 (id
[ATA_ID_HEADS
] == 15 || id
[ATA_ID_HEADS
] == 16) &&
1075 (lba_sects
>= 16383 * 63 * id
[ATA_ID_HEADS
]))
1078 chs_sects
= id
[ATA_ID_CYLS
] * id
[ATA_ID_HEADS
] * id
[ATA_ID_SECTORS
];
1080 /* perform a rough sanity check on lba_sects: within 10% is OK */
1081 if (lba_sects
- chs_sects
< chs_sects
/10)
1084 /* some drives have the word order reversed */
1085 head
= (lba_sects
>> 16) & 0xffff;
1086 tail
= lba_sects
& 0xffff;
1087 lba_sects
= head
| (tail
<< 16);
1089 if (lba_sects
- chs_sects
< chs_sects
/10) {
1090 *(__le32
*)&id
[ATA_ID_LBA_CAPACITY
] = __cpu_to_le32(lba_sects
);
1091 return true; /* LBA capacity is (now) good */
1094 return false; /* LBA capacity value may be bad */
1097 static inline void ata_id_to_hd_driveid(u16
*id
)
1100 /* accessed in struct hd_driveid as 8-bit values */
1101 id
[ATA_ID_MAX_MULTSECT
] = __cpu_to_le16(id
[ATA_ID_MAX_MULTSECT
]);
1102 id
[ATA_ID_CAPABILITY
] = __cpu_to_le16(id
[ATA_ID_CAPABILITY
]);
1103 id
[ATA_ID_OLD_PIO_MODES
] = __cpu_to_le16(id
[ATA_ID_OLD_PIO_MODES
]);
1104 id
[ATA_ID_OLD_DMA_MODES
] = __cpu_to_le16(id
[ATA_ID_OLD_DMA_MODES
]);
1105 id
[ATA_ID_MULTSECT
] = __cpu_to_le16(id
[ATA_ID_MULTSECT
]);
1107 /* as 32-bit values */
1108 *(u32
*)&id
[ATA_ID_LBA_CAPACITY
] = ata_id_u32(id
, ATA_ID_LBA_CAPACITY
);
1109 *(u32
*)&id
[ATA_ID_SPG
] = ata_id_u32(id
, ATA_ID_SPG
);
1111 /* as 64-bit value */
1112 *(u64
*)&id
[ATA_ID_LBA_CAPACITY_2
] =
1113 ata_id_u64(id
, ATA_ID_LBA_CAPACITY_2
);
1117 static inline bool ata_ok(u8 status
)
1119 return ((status
& (ATA_BUSY
| ATA_DRDY
| ATA_DF
| ATA_DRQ
| ATA_ERR
))
1123 static inline bool lba_28_ok(u64 block
, u32 n_block
)
1125 /* check the ending block number: must be LESS THAN 0x0fffffff */
1126 return ((block
+ n_block
) < ((1 << 28) - 1)) && (n_block
<= ATA_MAX_SECTORS
);
1129 static inline bool lba_48_ok(u64 block
, u32 n_block
)
1131 /* check the ending block number */
1132 return ((block
+ n_block
- 1) < ((u64
)1 << 48)) && (n_block
<= ATA_MAX_SECTORS_LBA48
);
1135 #define sata_pmp_gscr_vendor(gscr) ((gscr)[SATA_PMP_GSCR_PROD_ID] & 0xffff)
1136 #define sata_pmp_gscr_devid(gscr) ((gscr)[SATA_PMP_GSCR_PROD_ID] >> 16)
1137 #define sata_pmp_gscr_rev(gscr) (((gscr)[SATA_PMP_GSCR_REV] >> 8) & 0xff)
1138 #define sata_pmp_gscr_ports(gscr) ((gscr)[SATA_PMP_GSCR_PORT_INFO] & 0xf)
1140 #endif /* __LINUX_ATA_H__ */