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1/* SPDX-License-Identifier: GPL-2.0-or-later */2 3/*4 * Copyright 2003-2004 Red Hat, Inc. All rights reserved.5 * Copyright 2003-2004 Jeff Garzik6 *7 * libata documentation is available via 'make {ps|pdf}docs',8 * as Documentation/driver-api/libata.rst9 *10 * Hardware documentation available from http://www.t13.org/11 */12 13#ifndef __LINUX_ATA_H__14#define __LINUX_ATA_H__15 16#include <linux/bits.h>17#include <linux/string.h>18#include <linux/types.h>19 20/* defines only for the constants which don't work well as enums */21#define ATA_DMA_BOUNDARY 0xffffUL22#define ATA_DMA_MASK 0xffffffffULL23 24enum {25 /* various global constants */26 ATA_MAX_DEVICES = 2, /* per bus/port */27 ATA_MAX_PRD = 256, /* we could make these 256/256 */28 ATA_SECT_SIZE = 512,29 ATA_MAX_SECTORS_128 = 128,30 ATA_MAX_SECTORS = 256,31 ATA_MAX_SECTORS_1024 = 1024,32 ATA_MAX_SECTORS_LBA48 = 65535,/* avoid count to be 0000h */33 ATA_MAX_SECTORS_TAPE = 65535,34 ATA_MAX_TRIM_RNUM = 64, /* 512-byte payload / (6-byte LBA + 2-byte range per entry) */35 36 ATA_ID_WORDS = 256,37 ATA_ID_CONFIG = 0,38 ATA_ID_CYLS = 1,39 ATA_ID_HEADS = 3,40 ATA_ID_SECTORS = 6,41 ATA_ID_SERNO = 10,42 ATA_ID_BUF_SIZE = 21,43 ATA_ID_FW_REV = 23,44 ATA_ID_PROD = 27,45 ATA_ID_MAX_MULTSECT = 47,46 ATA_ID_DWORD_IO = 48, /* before ATA-8 */47 ATA_ID_TRUSTED = 48, /* ATA-8 and later */48 ATA_ID_CAPABILITY = 49,49 ATA_ID_OLD_PIO_MODES = 51,50 ATA_ID_OLD_DMA_MODES = 52,51 ATA_ID_FIELD_VALID = 53,52 ATA_ID_CUR_CYLS = 54,53 ATA_ID_CUR_HEADS = 55,54 ATA_ID_CUR_SECTORS = 56,55 ATA_ID_MULTSECT = 59,56 ATA_ID_LBA_CAPACITY = 60,57 ATA_ID_SWDMA_MODES = 62,58 ATA_ID_MWDMA_MODES = 63,59 ATA_ID_PIO_MODES = 64,60 ATA_ID_EIDE_DMA_MIN = 65,61 ATA_ID_EIDE_DMA_TIME = 66,62 ATA_ID_EIDE_PIO = 67,63 ATA_ID_EIDE_PIO_IORDY = 68,64 ATA_ID_ADDITIONAL_SUPP = 69,65 ATA_ID_QUEUE_DEPTH = 75,66 ATA_ID_SATA_CAPABILITY = 76,67 ATA_ID_SATA_CAPABILITY_2 = 77,68 ATA_ID_FEATURE_SUPP = 78,69 ATA_ID_MAJOR_VER = 80,70 ATA_ID_COMMAND_SET_1 = 82,71 ATA_ID_COMMAND_SET_2 = 83,72 ATA_ID_CFSSE = 84,73 ATA_ID_CFS_ENABLE_1 = 85,74 ATA_ID_CFS_ENABLE_2 = 86,75 ATA_ID_CSF_DEFAULT = 87,76 ATA_ID_UDMA_MODES = 88,77 ATA_ID_HW_CONFIG = 93,78 ATA_ID_SPG = 98,79 ATA_ID_LBA_CAPACITY_2 = 100,80 ATA_ID_SECTOR_SIZE = 106,81 ATA_ID_WWN = 108,82 ATA_ID_LOGICAL_SECTOR_SIZE = 117, /* and 118 */83 ATA_ID_COMMAND_SET_3 = 119,84 ATA_ID_COMMAND_SET_4 = 120,85 ATA_ID_LAST_LUN = 126,86 ATA_ID_DLF = 128,87 ATA_ID_CSFO = 129,88 ATA_ID_CFA_POWER = 160,89 ATA_ID_CFA_KEY_MGMT = 162,90 ATA_ID_CFA_MODES = 163,91 ATA_ID_DATA_SET_MGMT = 169,92 ATA_ID_SCT_CMD_XPORT = 206,93 ATA_ID_ROT_SPEED = 217,94 ATA_ID_PIO4 = (1 << 1),95 96 ATA_ID_SERNO_LEN = 20,97 ATA_ID_FW_REV_LEN = 8,98 ATA_ID_PROD_LEN = 40,99 ATA_ID_WWN_LEN = 8,100 101 ATA_PCI_CTL_OFS = 2,102 103 ATA_PIO0 = (1 << 0),104 ATA_PIO1 = ATA_PIO0 | (1 << 1),105 ATA_PIO2 = ATA_PIO1 | (1 << 2),106 ATA_PIO3 = ATA_PIO2 | (1 << 3),107 ATA_PIO4 = ATA_PIO3 | (1 << 4),108 ATA_PIO5 = ATA_PIO4 | (1 << 5),109 ATA_PIO6 = ATA_PIO5 | (1 << 6),110 111 ATA_PIO4_ONLY = (1 << 4),112 113 ATA_SWDMA0 = (1 << 0),114 ATA_SWDMA1 = ATA_SWDMA0 | (1 << 1),115 ATA_SWDMA2 = ATA_SWDMA1 | (1 << 2),116 117 ATA_SWDMA2_ONLY = (1 << 2),118 119 ATA_MWDMA0 = (1 << 0),120 ATA_MWDMA1 = ATA_MWDMA0 | (1 << 1),121 ATA_MWDMA2 = ATA_MWDMA1 | (1 << 2),122 ATA_MWDMA3 = ATA_MWDMA2 | (1 << 3),123 ATA_MWDMA4 = ATA_MWDMA3 | (1 << 4),124 125 ATA_MWDMA12_ONLY = (1 << 1) | (1 << 2),126 ATA_MWDMA2_ONLY = (1 << 2),127 128 ATA_UDMA0 = (1 << 0),129 ATA_UDMA1 = ATA_UDMA0 | (1 << 1),130 ATA_UDMA2 = ATA_UDMA1 | (1 << 2),131 ATA_UDMA3 = ATA_UDMA2 | (1 << 3),132 ATA_UDMA4 = ATA_UDMA3 | (1 << 4),133 ATA_UDMA5 = ATA_UDMA4 | (1 << 5),134 ATA_UDMA6 = ATA_UDMA5 | (1 << 6),135 ATA_UDMA7 = ATA_UDMA6 | (1 << 7),136 /* ATA_UDMA7 is just for completeness... doesn't exist (yet?). */137 138 ATA_UDMA24_ONLY = (1 << 2) | (1 << 4),139 140 ATA_UDMA_MASK_40C = ATA_UDMA2, /* udma0-2 */141 142 /* DMA-related */143 ATA_PRD_SZ = 8,144 ATA_PRD_TBL_SZ = (ATA_MAX_PRD * ATA_PRD_SZ),145 ATA_PRD_EOT = (1 << 31), /* end-of-table flag */146 147 ATA_DMA_TABLE_OFS = 4,148 ATA_DMA_STATUS = 2,149 ATA_DMA_CMD = 0,150 ATA_DMA_WR = (1 << 3),151 ATA_DMA_START = (1 << 0),152 ATA_DMA_INTR = (1 << 2),153 ATA_DMA_ERR = (1 << 1),154 ATA_DMA_ACTIVE = (1 << 0),155 156 /* bits in ATA command block registers */157 ATA_HOB = (1 << 7), /* LBA48 selector */158 ATA_NIEN = (1 << 1), /* disable-irq flag */159 ATA_LBA = (1 << 6), /* LBA28 selector */160 ATA_DEV1 = (1 << 4), /* Select Device 1 (slave) */161 ATA_DEVICE_OBS = (1 << 7) | (1 << 5), /* obs bits in dev reg */162 ATA_DEVCTL_OBS = (1 << 3), /* obsolete bit in devctl reg */163 ATA_BUSY = (1 << 7), /* BSY status bit */164 ATA_DRDY = (1 << 6), /* device ready */165 ATA_DF = (1 << 5), /* device fault */166 ATA_DSC = (1 << 4), /* drive seek complete */167 ATA_DRQ = (1 << 3), /* data request i/o */168 ATA_CORR = (1 << 2), /* corrected data error */169 ATA_SENSE = (1 << 1), /* sense code available */170 ATA_ERR = (1 << 0), /* have an error */171 ATA_SRST = (1 << 2), /* software reset */172 ATA_ICRC = (1 << 7), /* interface CRC error */173 ATA_BBK = ATA_ICRC, /* pre-EIDE: block marked bad */174 ATA_UNC = (1 << 6), /* uncorrectable media error */175 ATA_MC = (1 << 5), /* media changed */176 ATA_IDNF = (1 << 4), /* ID not found */177 ATA_MCR = (1 << 3), /* media change requested */178 ATA_ABORTED = (1 << 2), /* command aborted */179 ATA_TRK0NF = (1 << 1), /* track 0 not found */180 ATA_AMNF = (1 << 0), /* address mark not found */181 ATAPI_LFS = 0xF0, /* last failed sense */182 ATAPI_EOM = ATA_TRK0NF, /* end of media */183 ATAPI_ILI = ATA_AMNF, /* illegal length indication */184 ATAPI_IO = (1 << 1),185 ATAPI_COD = (1 << 0),186 187 /* ATA command block registers */188 ATA_REG_DATA = 0x00,189 ATA_REG_ERR = 0x01,190 ATA_REG_NSECT = 0x02,191 ATA_REG_LBAL = 0x03,192 ATA_REG_LBAM = 0x04,193 ATA_REG_LBAH = 0x05,194 ATA_REG_DEVICE = 0x06,195 ATA_REG_STATUS = 0x07,196 197 ATA_REG_FEATURE = ATA_REG_ERR, /* and their aliases */198 ATA_REG_CMD = ATA_REG_STATUS,199 ATA_REG_BYTEL = ATA_REG_LBAM,200 ATA_REG_BYTEH = ATA_REG_LBAH,201 ATA_REG_DEVSEL = ATA_REG_DEVICE,202 ATA_REG_IRQ = ATA_REG_NSECT,203 204 /* ATA device commands */205 ATA_CMD_DEV_RESET = 0x08, /* ATAPI device reset */206 ATA_CMD_CHK_POWER = 0xE5, /* check power mode */207 ATA_CMD_STANDBY = 0xE2, /* place in standby power mode */208 ATA_CMD_IDLE = 0xE3, /* place in idle power mode */209 ATA_CMD_EDD = 0x90, /* execute device diagnostic */210 ATA_CMD_DOWNLOAD_MICRO = 0x92,211 ATA_CMD_DOWNLOAD_MICRO_DMA = 0x93,212 ATA_CMD_NOP = 0x00,213 ATA_CMD_FLUSH = 0xE7,214 ATA_CMD_FLUSH_EXT = 0xEA,215 ATA_CMD_ID_ATA = 0xEC,216 ATA_CMD_ID_ATAPI = 0xA1,217 ATA_CMD_SERVICE = 0xA2,218 ATA_CMD_READ = 0xC8,219 ATA_CMD_READ_EXT = 0x25,220 ATA_CMD_READ_QUEUED = 0x26,221 ATA_CMD_READ_STREAM_EXT = 0x2B,222 ATA_CMD_READ_STREAM_DMA_EXT = 0x2A,223 ATA_CMD_WRITE = 0xCA,224 ATA_CMD_WRITE_EXT = 0x35,225 ATA_CMD_WRITE_QUEUED = 0x36,226 ATA_CMD_WRITE_STREAM_EXT = 0x3B,227 ATA_CMD_WRITE_STREAM_DMA_EXT = 0x3A,228 ATA_CMD_WRITE_FUA_EXT = 0x3D,229 ATA_CMD_WRITE_QUEUED_FUA_EXT = 0x3E,230 ATA_CMD_FPDMA_READ = 0x60,231 ATA_CMD_FPDMA_WRITE = 0x61,232 ATA_CMD_NCQ_NON_DATA = 0x63,233 ATA_CMD_FPDMA_SEND = 0x64,234 ATA_CMD_FPDMA_RECV = 0x65,235 ATA_CMD_PIO_READ = 0x20,236 ATA_CMD_PIO_READ_EXT = 0x24,237 ATA_CMD_PIO_WRITE = 0x30,238 ATA_CMD_PIO_WRITE_EXT = 0x34,239 ATA_CMD_READ_MULTI = 0xC4,240 ATA_CMD_READ_MULTI_EXT = 0x29,241 ATA_CMD_WRITE_MULTI = 0xC5,242 ATA_CMD_WRITE_MULTI_EXT = 0x39,243 ATA_CMD_WRITE_MULTI_FUA_EXT = 0xCE,244 ATA_CMD_SET_FEATURES = 0xEF,245 ATA_CMD_SET_MULTI = 0xC6,246 ATA_CMD_PACKET = 0xA0,247 ATA_CMD_VERIFY = 0x40,248 ATA_CMD_VERIFY_EXT = 0x42,249 ATA_CMD_WRITE_UNCORR_EXT = 0x45,250 ATA_CMD_STANDBYNOW1 = 0xE0,251 ATA_CMD_IDLEIMMEDIATE = 0xE1,252 ATA_CMD_SLEEP = 0xE6,253 ATA_CMD_INIT_DEV_PARAMS = 0x91,254 ATA_CMD_READ_NATIVE_MAX = 0xF8,255 ATA_CMD_READ_NATIVE_MAX_EXT = 0x27,256 ATA_CMD_SET_MAX = 0xF9,257 ATA_CMD_SET_MAX_EXT = 0x37,258 ATA_CMD_READ_LOG_EXT = 0x2F,259 ATA_CMD_WRITE_LOG_EXT = 0x3F,260 ATA_CMD_READ_LOG_DMA_EXT = 0x47,261 ATA_CMD_WRITE_LOG_DMA_EXT = 0x57,262 ATA_CMD_TRUSTED_NONDATA = 0x5B,263 ATA_CMD_TRUSTED_RCV = 0x5C,264 ATA_CMD_TRUSTED_RCV_DMA = 0x5D,265 ATA_CMD_TRUSTED_SND = 0x5E,266 ATA_CMD_TRUSTED_SND_DMA = 0x5F,267 ATA_CMD_PMP_READ = 0xE4,268 ATA_CMD_PMP_READ_DMA = 0xE9,269 ATA_CMD_PMP_WRITE = 0xE8,270 ATA_CMD_PMP_WRITE_DMA = 0xEB,271 ATA_CMD_CONF_OVERLAY = 0xB1,272 ATA_CMD_SEC_SET_PASS = 0xF1,273 ATA_CMD_SEC_UNLOCK = 0xF2,274 ATA_CMD_SEC_ERASE_PREP = 0xF3,275 ATA_CMD_SEC_ERASE_UNIT = 0xF4,276 ATA_CMD_SEC_FREEZE_LOCK = 0xF5,277 ATA_CMD_SEC_DISABLE_PASS = 0xF6,278 ATA_CMD_CONFIG_STREAM = 0x51,279 ATA_CMD_SMART = 0xB0,280 ATA_CMD_MEDIA_LOCK = 0xDE,281 ATA_CMD_MEDIA_UNLOCK = 0xDF,282 ATA_CMD_DSM = 0x06,283 ATA_CMD_CHK_MED_CRD_TYP = 0xD1,284 ATA_CMD_CFA_REQ_EXT_ERR = 0x03,285 ATA_CMD_CFA_WRITE_NE = 0x38,286 ATA_CMD_CFA_TRANS_SECT = 0x87,287 ATA_CMD_CFA_ERASE = 0xC0,288 ATA_CMD_CFA_WRITE_MULT_NE = 0xCD,289 ATA_CMD_REQ_SENSE_DATA = 0x0B,290 ATA_CMD_SANITIZE_DEVICE = 0xB4,291 ATA_CMD_ZAC_MGMT_IN = 0x4A,292 ATA_CMD_ZAC_MGMT_OUT = 0x9F,293 294 /* marked obsolete in the ATA/ATAPI-7 spec */295 ATA_CMD_RESTORE = 0x10,296 297 /* Subcmds for ATA_CMD_FPDMA_RECV */298 ATA_SUBCMD_FPDMA_RECV_RD_LOG_DMA_EXT = 0x01,299 ATA_SUBCMD_FPDMA_RECV_ZAC_MGMT_IN = 0x02,300 301 /* Subcmds for ATA_CMD_FPDMA_SEND */302 ATA_SUBCMD_FPDMA_SEND_DSM = 0x00,303 ATA_SUBCMD_FPDMA_SEND_WR_LOG_DMA_EXT = 0x02,304 305 /* Subcmds for ATA_CMD_NCQ_NON_DATA */306 ATA_SUBCMD_NCQ_NON_DATA_ABORT_QUEUE = 0x00,307 ATA_SUBCMD_NCQ_NON_DATA_SET_FEATURES = 0x05,308 ATA_SUBCMD_NCQ_NON_DATA_ZERO_EXT = 0x06,309 ATA_SUBCMD_NCQ_NON_DATA_ZAC_MGMT_OUT = 0x07,310 311 /* Subcmds for ATA_CMD_ZAC_MGMT_IN */312 ATA_SUBCMD_ZAC_MGMT_IN_REPORT_ZONES = 0x00,313 314 /* Subcmds for ATA_CMD_ZAC_MGMT_OUT */315 ATA_SUBCMD_ZAC_MGMT_OUT_CLOSE_ZONE = 0x01,316 ATA_SUBCMD_ZAC_MGMT_OUT_FINISH_ZONE = 0x02,317 ATA_SUBCMD_ZAC_MGMT_OUT_OPEN_ZONE = 0x03,318 ATA_SUBCMD_ZAC_MGMT_OUT_RESET_WRITE_POINTER = 0x04,319 320 /* READ_LOG_EXT pages */321 ATA_LOG_DIRECTORY = 0x0,322 ATA_LOG_SATA_NCQ = 0x10,323 ATA_LOG_NCQ_NON_DATA = 0x12,324 ATA_LOG_NCQ_SEND_RECV = 0x13,325 ATA_LOG_CDL = 0x18,326 ATA_LOG_CDL_SIZE = ATA_SECT_SIZE,327 ATA_LOG_IDENTIFY_DEVICE = 0x30,328 ATA_LOG_SENSE_NCQ = 0x0F,329 ATA_LOG_SENSE_NCQ_SIZE = ATA_SECT_SIZE * 2,330 ATA_LOG_CONCURRENT_POSITIONING_RANGES = 0x47,331 332 /* Identify device log pages: */333 ATA_LOG_SUPPORTED_CAPABILITIES = 0x03,334 ATA_LOG_CURRENT_SETTINGS = 0x04,335 ATA_LOG_SECURITY = 0x06,336 ATA_LOG_SATA_SETTINGS = 0x08,337 ATA_LOG_ZONED_INFORMATION = 0x09,338 339 /* Identify device SATA settings log: */340 ATA_LOG_DEVSLP_OFFSET = 0x30,341 ATA_LOG_DEVSLP_SIZE = 0x08,342 ATA_LOG_DEVSLP_MDAT = 0x00,343 ATA_LOG_DEVSLP_MDAT_MASK = 0x1F,344 ATA_LOG_DEVSLP_DETO = 0x01,345 ATA_LOG_DEVSLP_VALID = 0x07,346 ATA_LOG_DEVSLP_VALID_MASK = 0x80,347 ATA_LOG_NCQ_PRIO_OFFSET = 0x09,348 349 /* NCQ send and receive log */350 ATA_LOG_NCQ_SEND_RECV_SUBCMDS_OFFSET = 0x00,351 ATA_LOG_NCQ_SEND_RECV_SUBCMDS_DSM = (1 << 0),352 ATA_LOG_NCQ_SEND_RECV_DSM_OFFSET = 0x04,353 ATA_LOG_NCQ_SEND_RECV_DSM_TRIM = (1 << 0),354 ATA_LOG_NCQ_SEND_RECV_RD_LOG_OFFSET = 0x08,355 ATA_LOG_NCQ_SEND_RECV_RD_LOG_SUPPORTED = (1 << 0),356 ATA_LOG_NCQ_SEND_RECV_WR_LOG_OFFSET = 0x0C,357 ATA_LOG_NCQ_SEND_RECV_WR_LOG_SUPPORTED = (1 << 0),358 ATA_LOG_NCQ_SEND_RECV_ZAC_MGMT_OFFSET = 0x10,359 ATA_LOG_NCQ_SEND_RECV_ZAC_MGMT_OUT_SUPPORTED = (1 << 0),360 ATA_LOG_NCQ_SEND_RECV_ZAC_MGMT_IN_SUPPORTED = (1 << 1),361 ATA_LOG_NCQ_SEND_RECV_SIZE = 0x14,362 363 /* NCQ Non-Data log */364 ATA_LOG_NCQ_NON_DATA_SUBCMDS_OFFSET = 0x00,365 ATA_LOG_NCQ_NON_DATA_ABORT_OFFSET = 0x00,366 ATA_LOG_NCQ_NON_DATA_ABORT_NCQ = (1 << 0),367 ATA_LOG_NCQ_NON_DATA_ABORT_ALL = (1 << 1),368 ATA_LOG_NCQ_NON_DATA_ABORT_STREAMING = (1 << 2),369 ATA_LOG_NCQ_NON_DATA_ABORT_NON_STREAMING = (1 << 3),370 ATA_LOG_NCQ_NON_DATA_ABORT_SELECTED = (1 << 4),371 ATA_LOG_NCQ_NON_DATA_ZAC_MGMT_OFFSET = 0x1C,372 ATA_LOG_NCQ_NON_DATA_ZAC_MGMT_OUT = (1 << 0),373 ATA_LOG_NCQ_NON_DATA_SIZE = 0x40,374 375 /* READ/WRITE LONG (obsolete) */376 ATA_CMD_READ_LONG = 0x22,377 ATA_CMD_READ_LONG_ONCE = 0x23,378 ATA_CMD_WRITE_LONG = 0x32,379 ATA_CMD_WRITE_LONG_ONCE = 0x33,380 381 /* SETFEATURES stuff */382 SETFEATURES_XFER = 0x03,383 XFER_UDMA_7 = 0x47,384 XFER_UDMA_6 = 0x46,385 XFER_UDMA_5 = 0x45,386 XFER_UDMA_4 = 0x44,387 XFER_UDMA_3 = 0x43,388 XFER_UDMA_2 = 0x42,389 XFER_UDMA_1 = 0x41,390 XFER_UDMA_0 = 0x40,391 XFER_MW_DMA_4 = 0x24, /* CFA only */392 XFER_MW_DMA_3 = 0x23, /* CFA only */393 XFER_MW_DMA_2 = 0x22,394 XFER_MW_DMA_1 = 0x21,395 XFER_MW_DMA_0 = 0x20,396 XFER_SW_DMA_2 = 0x12,397 XFER_SW_DMA_1 = 0x11,398 XFER_SW_DMA_0 = 0x10,399 XFER_PIO_6 = 0x0E, /* CFA only */400 XFER_PIO_5 = 0x0D, /* CFA only */401 XFER_PIO_4 = 0x0C,402 XFER_PIO_3 = 0x0B,403 XFER_PIO_2 = 0x0A,404 XFER_PIO_1 = 0x09,405 XFER_PIO_0 = 0x08,406 XFER_PIO_SLOW = 0x00,407 408 SETFEATURES_WC_ON = 0x02, /* Enable write cache */409 SETFEATURES_WC_OFF = 0x82, /* Disable write cache */410 411 SETFEATURES_RA_ON = 0xaa, /* Enable read look-ahead */412 SETFEATURES_RA_OFF = 0x55, /* Disable read look-ahead */413 414 /* Enable/Disable Automatic Acoustic Management */415 SETFEATURES_AAM_ON = 0x42,416 SETFEATURES_AAM_OFF = 0xC2,417 418 SETFEATURES_SPINUP = 0x07, /* Spin-up drive */419 SETFEATURES_SPINUP_TIMEOUT = 30000, /* 30s timeout for drive spin-up from PUIS */420 421 SETFEATURES_SATA_ENABLE = 0x10, /* Enable use of SATA feature */422 SETFEATURES_SATA_DISABLE = 0x90, /* Disable use of SATA feature */423 424 SETFEATURES_CDL = 0x0d, /* Enable/disable cmd duration limits */425 426 /* SETFEATURE Sector counts for SATA features */427 SATA_FPDMA_OFFSET = 0x01, /* FPDMA non-zero buffer offsets */428 SATA_FPDMA_AA = 0x02, /* FPDMA Setup FIS Auto-Activate */429 SATA_DIPM = 0x03, /* Device Initiated Power Management */430 SATA_FPDMA_IN_ORDER = 0x04, /* FPDMA in-order data delivery */431 SATA_AN = 0x05, /* Asynchronous Notification */432 SATA_SSP = 0x06, /* Software Settings Preservation */433 SATA_DEVSLP = 0x09, /* Device Sleep */434 435 SETFEATURE_SENSE_DATA = 0xC3, /* Sense Data Reporting feature */436 SETFEATURE_SENSE_DATA_SUCC_NCQ = 0xC4, /* Sense Data for successful NCQ commands */437 438 /* feature values for SET_MAX */439 ATA_SET_MAX_ADDR = 0x00,440 ATA_SET_MAX_PASSWD = 0x01,441 ATA_SET_MAX_LOCK = 0x02,442 ATA_SET_MAX_UNLOCK = 0x03,443 ATA_SET_MAX_FREEZE_LOCK = 0x04,444 ATA_SET_MAX_PASSWD_DMA = 0x05,445 ATA_SET_MAX_UNLOCK_DMA = 0x06,446 447 /* feature values for DEVICE CONFIGURATION OVERLAY */448 ATA_DCO_RESTORE = 0xC0,449 ATA_DCO_FREEZE_LOCK = 0xC1,450 ATA_DCO_IDENTIFY = 0xC2,451 ATA_DCO_SET = 0xC3,452 453 /* feature values for SMART */454 ATA_SMART_ENABLE = 0xD8,455 ATA_SMART_READ_VALUES = 0xD0,456 ATA_SMART_READ_THRESHOLDS = 0xD1,457 458 /* feature values for Data Set Management */459 ATA_DSM_TRIM = 0x01,460 461 /* password used in LBA Mid / LBA High for executing SMART commands */462 ATA_SMART_LBAM_PASS = 0x4F,463 ATA_SMART_LBAH_PASS = 0xC2,464 465 /* ATAPI stuff */466 ATAPI_PKT_DMA = (1 << 0),467 ATAPI_DMADIR = (1 << 2), /* ATAPI data dir:468 0=to device, 1=to host */469 ATAPI_CDB_LEN = 16,470 471 /* PMP stuff */472 SATA_PMP_MAX_PORTS = 15,473 SATA_PMP_CTRL_PORT = 15,474 475 SATA_PMP_GSCR_DWORDS = 128,476 SATA_PMP_GSCR_PROD_ID = 0,477 SATA_PMP_GSCR_REV = 1,478 SATA_PMP_GSCR_PORT_INFO = 2,479 SATA_PMP_GSCR_ERROR = 32,480 SATA_PMP_GSCR_ERROR_EN = 33,481 SATA_PMP_GSCR_FEAT = 64,482 SATA_PMP_GSCR_FEAT_EN = 96,483 484 SATA_PMP_PSCR_STATUS = 0,485 SATA_PMP_PSCR_ERROR = 1,486 SATA_PMP_PSCR_CONTROL = 2,487 488 SATA_PMP_FEAT_BIST = (1 << 0),489 SATA_PMP_FEAT_PMREQ = (1 << 1),490 SATA_PMP_FEAT_DYNSSC = (1 << 2),491 SATA_PMP_FEAT_NOTIFY = (1 << 3),492 493 /* cable types */494 ATA_CBL_NONE = 0,495 ATA_CBL_PATA40 = 1,496 ATA_CBL_PATA80 = 2,497 ATA_CBL_PATA40_SHORT = 3, /* 40 wire cable to high UDMA spec */498 ATA_CBL_PATA_UNK = 4, /* don't know, maybe 80c? */499 ATA_CBL_PATA_IGN = 5, /* don't know, ignore cable handling */500 ATA_CBL_SATA = 6,501 502 /* SATA Status and Control Registers */503 SCR_STATUS = 0,504 SCR_ERROR = 1,505 SCR_CONTROL = 2,506 SCR_ACTIVE = 3,507 SCR_NOTIFICATION = 4,508 509 /* SError bits */510 SERR_DATA_RECOVERED = (1 << 0), /* recovered data error */511 SERR_COMM_RECOVERED = (1 << 1), /* recovered comm failure */512 SERR_DATA = (1 << 8), /* unrecovered data error */513 SERR_PERSISTENT = (1 << 9), /* persistent data/comm error */514 SERR_PROTOCOL = (1 << 10), /* protocol violation */515 SERR_INTERNAL = (1 << 11), /* host internal error */516 SERR_PHYRDY_CHG = (1 << 16), /* PHY RDY changed */517 SERR_PHY_INT_ERR = (1 << 17), /* PHY internal error */518 SERR_COMM_WAKE = (1 << 18), /* Comm wake */519 SERR_10B_8B_ERR = (1 << 19), /* 10b to 8b decode error */520 SERR_DISPARITY = (1 << 20), /* Disparity */521 SERR_CRC = (1 << 21), /* CRC error */522 SERR_HANDSHAKE = (1 << 22), /* Handshake error */523 SERR_LINK_SEQ_ERR = (1 << 23), /* Link sequence error */524 SERR_TRANS_ST_ERROR = (1 << 24), /* Transport state trans. error */525 SERR_UNRECOG_FIS = (1 << 25), /* Unrecognized FIS */526 SERR_DEV_XCHG = (1 << 26), /* device exchanged */527};528 529enum ata_prot_flags {530 /* protocol flags */531 ATA_PROT_FLAG_PIO = (1 << 0), /* is PIO */532 ATA_PROT_FLAG_DMA = (1 << 1), /* is DMA */533 ATA_PROT_FLAG_NCQ = (1 << 2), /* is NCQ */534 ATA_PROT_FLAG_ATAPI = (1 << 3), /* is ATAPI */535 536 /* taskfile protocols */537 ATA_PROT_UNKNOWN = (u8)-1,538 ATA_PROT_NODATA = 0,539 ATA_PROT_PIO = ATA_PROT_FLAG_PIO,540 ATA_PROT_DMA = ATA_PROT_FLAG_DMA,541 ATA_PROT_NCQ_NODATA = ATA_PROT_FLAG_NCQ,542 ATA_PROT_NCQ = ATA_PROT_FLAG_DMA | ATA_PROT_FLAG_NCQ,543 ATAPI_PROT_NODATA = ATA_PROT_FLAG_ATAPI,544 ATAPI_PROT_PIO = ATA_PROT_FLAG_ATAPI | ATA_PROT_FLAG_PIO,545 ATAPI_PROT_DMA = ATA_PROT_FLAG_ATAPI | ATA_PROT_FLAG_DMA,546};547 548enum ata_ioctls {549 ATA_IOC_GET_IO32 = 0x309, /* HDIO_GET_32BIT */550 ATA_IOC_SET_IO32 = 0x324, /* HDIO_SET_32BIT */551};552 553/* core structures */554 555struct ata_bmdma_prd {556 __le32 addr;557 __le32 flags_len;558};559 560/*561 * id tests562 */563#define ata_id_is_ata(id) (((id)[ATA_ID_CONFIG] & (1 << 15)) == 0)564#define ata_id_has_lba(id) ((id)[ATA_ID_CAPABILITY] & (1 << 9))565#define ata_id_has_dma(id) ((id)[ATA_ID_CAPABILITY] & (1 << 8))566#define ata_id_has_ncq(id) ((id)[ATA_ID_SATA_CAPABILITY] & (1 << 8))567#define ata_id_queue_depth(id) (((id)[ATA_ID_QUEUE_DEPTH] & 0x1f) + 1)568#define ata_id_removable(id) ((id)[ATA_ID_CONFIG] & (1 << 7))569#define ata_id_has_atapi_AN(id) \570 ((((id)[ATA_ID_SATA_CAPABILITY] != 0x0000) && \571 ((id)[ATA_ID_SATA_CAPABILITY] != 0xffff)) && \572 ((id)[ATA_ID_FEATURE_SUPP] & (1 << 5)))573#define ata_id_has_fpdma_aa(id) \574 ((((id)[ATA_ID_SATA_CAPABILITY] != 0x0000) && \575 ((id)[ATA_ID_SATA_CAPABILITY] != 0xffff)) && \576 ((id)[ATA_ID_FEATURE_SUPP] & (1 << 2)))577#define ata_id_has_devslp(id) \578 ((((id)[ATA_ID_SATA_CAPABILITY] != 0x0000) && \579 ((id)[ATA_ID_SATA_CAPABILITY] != 0xffff)) && \580 ((id)[ATA_ID_FEATURE_SUPP] & (1 << 8)))581#define ata_id_has_ncq_autosense(id) \582 ((((id)[ATA_ID_SATA_CAPABILITY] != 0x0000) && \583 ((id)[ATA_ID_SATA_CAPABILITY] != 0xffff)) && \584 ((id)[ATA_ID_FEATURE_SUPP] & (1 << 7)))585#define ata_id_has_dipm(id) \586 ((((id)[ATA_ID_SATA_CAPABILITY] != 0x0000) && \587 ((id)[ATA_ID_SATA_CAPABILITY] != 0xffff)) && \588 ((id)[ATA_ID_FEATURE_SUPP] & (1 << 3)))589#define ata_id_iordy_disable(id) ((id)[ATA_ID_CAPABILITY] & (1 << 10))590#define ata_id_has_iordy(id) ((id)[ATA_ID_CAPABILITY] & (1 << 11))591#define ata_id_u32(id,n) \592 (((u32) (id)[(n) + 1] << 16) | ((u32) (id)[(n)]))593#define ata_id_u64(id,n) \594 ( ((u64) (id)[(n) + 3] << 48) | \595 ((u64) (id)[(n) + 2] << 32) | \596 ((u64) (id)[(n) + 1] << 16) | \597 ((u64) (id)[(n) + 0]) )598 599#define ata_id_cdb_intr(id) (((id)[ATA_ID_CONFIG] & 0x60) == 0x20)600#define ata_id_has_da(id) ((id)[ATA_ID_SATA_CAPABILITY_2] & (1 << 4))601 602static inline bool ata_id_has_hipm(const u16 *id)603{604 u16 val = id[ATA_ID_SATA_CAPABILITY];605 606 if (val == 0 || val == 0xffff)607 return false;608 609 return val & (1 << 9);610}611 612static inline bool ata_id_has_fua(const u16 *id)613{614 if ((id[ATA_ID_CFSSE] & 0xC000) != 0x4000)615 return false;616 return id[ATA_ID_CFSSE] & (1 << 6);617}618 619static inline bool ata_id_has_flush(const u16 *id)620{621 if ((id[ATA_ID_COMMAND_SET_2] & 0xC000) != 0x4000)622 return false;623 return id[ATA_ID_COMMAND_SET_2] & (1 << 12);624}625 626static inline bool ata_id_has_flush_ext(const u16 *id)627{628 if ((id[ATA_ID_COMMAND_SET_2] & 0xC000) != 0x4000)629 return false;630 return id[ATA_ID_COMMAND_SET_2] & (1 << 13);631}632 633static inline u32 ata_id_logical_sector_size(const u16 *id)634{635 /* T13/1699-D Revision 6a, Sep 6, 2008. Page 128.636 * IDENTIFY DEVICE data, word 117-118.637 * 0xd000 ignores bit 13 (logical:physical > 1)638 */639 if ((id[ATA_ID_SECTOR_SIZE] & 0xd000) == 0x5000)640 return (((id[ATA_ID_LOGICAL_SECTOR_SIZE+1] << 16)641 + id[ATA_ID_LOGICAL_SECTOR_SIZE]) * sizeof(u16)) ;642 return ATA_SECT_SIZE;643}644 645static inline u8 ata_id_log2_per_physical_sector(const u16 *id)646{647 /* T13/1699-D Revision 6a, Sep 6, 2008. Page 128.648 * IDENTIFY DEVICE data, word 106.649 * 0xe000 ignores bit 12 (logical sector > 512 bytes)650 */651 if ((id[ATA_ID_SECTOR_SIZE] & 0xe000) == 0x6000)652 return (id[ATA_ID_SECTOR_SIZE] & 0xf);653 return 0;654}655 656/* Offset of logical sectors relative to physical sectors.657 *658 * If device has more than one logical sector per physical sector659 * (aka 512 byte emulation), vendors might offset the "sector 0" address660 * so sector 63 is "naturally aligned" - e.g. FAT partition table.661 * This avoids Read/Mod/Write penalties when using FAT partition table662 * and updating "well aligned" (FS perspective) physical sectors on every663 * transaction.664 */665static inline u16 ata_id_logical_sector_offset(const u16 *id,666 u8 log2_per_phys)667{668 u16 word_209 = id[209];669 670 if ((log2_per_phys > 1) && (word_209 & 0xc000) == 0x4000) {671 u16 first = word_209 & 0x3fff;672 if (first > 0)673 return (1 << log2_per_phys) - first;674 }675 return 0;676}677 678static inline bool ata_id_has_lba48(const u16 *id)679{680 if ((id[ATA_ID_COMMAND_SET_2] & 0xC000) != 0x4000)681 return false;682 if (!ata_id_u64(id, ATA_ID_LBA_CAPACITY_2))683 return false;684 return id[ATA_ID_COMMAND_SET_2] & (1 << 10);685}686 687static inline bool ata_id_hpa_enabled(const u16 *id)688{689 /* Yes children, word 83 valid bits cover word 82 data */690 if ((id[ATA_ID_COMMAND_SET_2] & 0xC000) != 0x4000)691 return false;692 /* And 87 covers 85-87 */693 if ((id[ATA_ID_CSF_DEFAULT] & 0xC000) != 0x4000)694 return false;695 /* Check command sets enabled as well as supported */696 if ((id[ATA_ID_CFS_ENABLE_1] & (1 << 10)) == 0)697 return false;698 return id[ATA_ID_COMMAND_SET_1] & (1 << 10);699}700 701static inline bool ata_id_has_wcache(const u16 *id)702{703 /* Yes children, word 83 valid bits cover word 82 data */704 if ((id[ATA_ID_COMMAND_SET_2] & 0xC000) != 0x4000)705 return false;706 return id[ATA_ID_COMMAND_SET_1] & (1 << 5);707}708 709static inline bool ata_id_has_pm(const u16 *id)710{711 if ((id[ATA_ID_COMMAND_SET_2] & 0xC000) != 0x4000)712 return false;713 return id[ATA_ID_COMMAND_SET_1] & (1 << 3);714}715 716static inline bool ata_id_rahead_enabled(const u16 *id)717{718 if ((id[ATA_ID_CSF_DEFAULT] & 0xC000) != 0x4000)719 return false;720 return id[ATA_ID_CFS_ENABLE_1] & (1 << 6);721}722 723static inline bool ata_id_wcache_enabled(const u16 *id)724{725 if ((id[ATA_ID_CSF_DEFAULT] & 0xC000) != 0x4000)726 return false;727 return id[ATA_ID_CFS_ENABLE_1] & (1 << 5);728}729 730static inline bool ata_id_has_read_log_dma_ext(const u16 *id)731{732 /* Word 86 must have bit 15 set */733 if (!(id[ATA_ID_CFS_ENABLE_2] & (1 << 15)))734 return false;735 736 /* READ LOG DMA EXT support can be signaled either from word 119737 * or from word 120. The format is the same for both words: Bit738 * 15 must be cleared, bit 14 set and bit 3 set.739 */740 if ((id[ATA_ID_COMMAND_SET_3] & 0xC008) == 0x4008 ||741 (id[ATA_ID_COMMAND_SET_4] & 0xC008) == 0x4008)742 return true;743 744 return false;745}746 747static inline bool ata_id_has_sense_reporting(const u16 *id)748{749 if (!(id[ATA_ID_CFS_ENABLE_2] & BIT(15)))750 return false;751 if ((id[ATA_ID_COMMAND_SET_3] & (BIT(15) | BIT(14))) != BIT(14))752 return false;753 return id[ATA_ID_COMMAND_SET_3] & BIT(6);754}755 756static inline bool ata_id_sense_reporting_enabled(const u16 *id)757{758 if (!ata_id_has_sense_reporting(id))759 return false;760 /* ata_id_has_sense_reporting() == true, word 86 must have bit 15 set */761 if ((id[ATA_ID_COMMAND_SET_4] & (BIT(15) | BIT(14))) != BIT(14))762 return false;763 return id[ATA_ID_COMMAND_SET_4] & BIT(6);764}765 766/**767 *768 * Word: 206 - SCT Command Transport769 * 15:12 - Vendor Specific770 * 11:6 - Reserved771 * 5 - SCT Command Transport Data Tables supported772 * 4 - SCT Command Transport Features Control supported773 * 3 - SCT Command Transport Error Recovery Control supported774 * 2 - SCT Command Transport Write Same supported775 * 1 - SCT Command Transport Long Sector Access supported776 * 0 - SCT Command Transport supported777 */778static inline bool ata_id_sct_data_tables(const u16 *id)779{780 return id[ATA_ID_SCT_CMD_XPORT] & (1 << 5) ? true : false;781}782 783static inline bool ata_id_sct_features_ctrl(const u16 *id)784{785 return id[ATA_ID_SCT_CMD_XPORT] & (1 << 4) ? true : false;786}787 788static inline bool ata_id_sct_error_recovery_ctrl(const u16 *id)789{790 return id[ATA_ID_SCT_CMD_XPORT] & (1 << 3) ? true : false;791}792 793static inline bool ata_id_sct_long_sector_access(const u16 *id)794{795 return id[ATA_ID_SCT_CMD_XPORT] & (1 << 1) ? true : false;796}797 798static inline bool ata_id_sct_supported(const u16 *id)799{800 return id[ATA_ID_SCT_CMD_XPORT] & (1 << 0) ? true : false;801}802 803/**804 * ata_id_major_version - get ATA level of drive805 * @id: Identify data806 *807 * Caveats:808 * ATA-1 considers identify optional809 * ATA-2 introduces mandatory identify810 * ATA-3 introduces word 80 and accurate reporting811 *812 * The practical impact of this is that ata_id_major_version cannot813 * reliably report on drives below ATA3.814 */815 816static inline unsigned int ata_id_major_version(const u16 *id)817{818 unsigned int mver;819 820 if (id[ATA_ID_MAJOR_VER] == 0xFFFF)821 return 0;822 823 for (mver = 14; mver >= 1; mver--)824 if (id[ATA_ID_MAJOR_VER] & (1 << mver))825 break;826 return mver;827}828 829static inline bool ata_id_is_sata(const u16 *id)830{831 /*832 * See if word 93 is 0 AND drive is at least ATA-5 compatible833 * verifying that word 80 by casting it to a signed type --834 * this trick allows us to filter out the reserved values of835 * 0x0000 and 0xffff along with the earlier ATA revisions...836 */837 if (id[ATA_ID_HW_CONFIG] == 0 && (short)id[ATA_ID_MAJOR_VER] >= 0x0020)838 return true;839 return false;840}841 842static inline bool ata_id_has_tpm(const u16 *id)843{844 /* The TPM bits are only valid on ATA8 */845 if (ata_id_major_version(id) < 8)846 return false;847 if ((id[48] & 0xC000) != 0x4000)848 return false;849 return id[48] & (1 << 0);850}851 852static inline bool ata_id_has_dword_io(const u16 *id)853{854 /* ATA 8 reuses this flag for "trusted" computing */855 if (ata_id_major_version(id) > 7)856 return false;857 return id[ATA_ID_DWORD_IO] & (1 << 0);858}859 860static inline bool ata_id_has_trusted(const u16 *id)861{862 if (ata_id_major_version(id) <= 7)863 return false;864 return id[ATA_ID_TRUSTED] & (1 << 0);865}866 867static inline bool ata_id_has_unload(const u16 *id)868{869 if (ata_id_major_version(id) >= 7 &&870 (id[ATA_ID_CFSSE] & 0xC000) == 0x4000 &&871 id[ATA_ID_CFSSE] & (1 << 13))872 return true;873 return false;874}875 876static inline bool ata_id_has_wwn(const u16 *id)877{878 return (id[ATA_ID_CSF_DEFAULT] & 0xC100) == 0x4100;879}880 881static inline int ata_id_form_factor(const u16 *id)882{883 u16 val = id[168];884 885 if (ata_id_major_version(id) < 7 || val == 0 || val == 0xffff)886 return 0;887 888 val &= 0xf;889 890 if (val > 5)891 return 0;892 893 return val;894}895 896static inline int ata_id_rotation_rate(const u16 *id)897{898 u16 val = id[217];899 900 if (ata_id_major_version(id) < 7 || val == 0 || val == 0xffff)901 return 0;902 903 if (val > 1 && val < 0x401)904 return 0;905 906 return val;907}908 909static inline bool ata_id_has_ncq_send_and_recv(const u16 *id)910{911 return id[ATA_ID_SATA_CAPABILITY_2] & BIT(6);912}913 914static inline bool ata_id_has_ncq_non_data(const u16 *id)915{916 return id[ATA_ID_SATA_CAPABILITY_2] & BIT(5);917}918 919static inline bool ata_id_has_ncq_prio(const u16 *id)920{921 return id[ATA_ID_SATA_CAPABILITY] & BIT(12);922}923 924static inline bool ata_id_has_trim(const u16 *id)925{926 if (ata_id_major_version(id) >= 7 &&927 (id[ATA_ID_DATA_SET_MGMT] & 1))928 return true;929 return false;930}931 932static inline bool ata_id_has_zero_after_trim(const u16 *id)933{934 /* DSM supported, deterministic read, and read zero after trim set */935 if (ata_id_has_trim(id) &&936 (id[ATA_ID_ADDITIONAL_SUPP] & 0x4020) == 0x4020)937 return true;938 939 return false;940}941 942static inline bool ata_id_current_chs_valid(const u16 *id)943{944 /* For ATA-1 devices, if the INITIALIZE DEVICE PARAMETERS command945 has not been issued to the device then the values of946 id[ATA_ID_CUR_CYLS] to id[ATA_ID_CUR_SECTORS] are vendor specific. */947 return (id[ATA_ID_FIELD_VALID] & 1) && /* Current translation valid */948 id[ATA_ID_CUR_CYLS] && /* cylinders in current translation */949 id[ATA_ID_CUR_HEADS] && /* heads in current translation */950 id[ATA_ID_CUR_HEADS] <= 16 &&951 id[ATA_ID_CUR_SECTORS]; /* sectors in current translation */952}953 954static inline bool ata_id_is_cfa(const u16 *id)955{956 if ((id[ATA_ID_CONFIG] == 0x848A) || /* Traditional CF */957 (id[ATA_ID_CONFIG] == 0x844A)) /* Delkin Devices CF */958 return true;959 /*960 * CF specs don't require specific value in the word 0 anymore and yet961 * they forbid to report the ATA version in the word 80 and require the962 * CFA feature set support to be indicated in the word 83 in this case.963 * Unfortunately, some cards only follow either of this requirements,964 * and while those that don't indicate CFA feature support need some965 * sort of quirk list, it seems impractical for the ones that do...966 */967 return (id[ATA_ID_COMMAND_SET_2] & 0xC004) == 0x4004;968}969 970static inline bool ata_id_is_ssd(const u16 *id)971{972 return id[ATA_ID_ROT_SPEED] == 0x01;973}974 975static inline u8 ata_id_zoned_cap(const u16 *id)976{977 return (id[ATA_ID_ADDITIONAL_SUPP] & 0x3);978}979 980static inline bool ata_id_pio_need_iordy(const u16 *id, const u8 pio)981{982 /* CF spec. r4.1 Table 22 says no IORDY on PIO5 and PIO6. */983 if (pio > 4 && ata_id_is_cfa(id))984 return false;985 /* For PIO3 and higher it is mandatory. */986 if (pio > 2)987 return true;988 /* Turn it on when possible. */989 return ata_id_has_iordy(id);990}991 992static inline bool ata_drive_40wire(const u16 *dev_id)993{994 if (ata_id_is_sata(dev_id))995 return false; /* SATA */996 if ((dev_id[ATA_ID_HW_CONFIG] & 0xE000) == 0x6000)997 return false; /* 80 wire */998 return true;999}1000 1001static inline bool ata_drive_40wire_relaxed(const u16 *dev_id)1002{1003 if ((dev_id[ATA_ID_HW_CONFIG] & 0x2000) == 0x2000)1004 return false; /* 80 wire */1005 return true;1006}1007 1008static inline int atapi_cdb_len(const u16 *dev_id)1009{1010 u16 tmp = dev_id[ATA_ID_CONFIG] & 0x3;1011 switch (tmp) {1012 case 0: return 12;1013 case 1: return 16;1014 default: return -1;1015 }1016}1017 1018static inline int atapi_command_packet_set(const u16 *dev_id)1019{1020 return (dev_id[ATA_ID_CONFIG] >> 8) & 0x1f;1021}1022 1023static inline bool atapi_id_dmadir(const u16 *dev_id)1024{1025 return ata_id_major_version(dev_id) >= 7 && (dev_id[62] & 0x8000);1026}1027 1028static inline bool ata_ok(u8 status)1029{1030 return ((status & (ATA_BUSY | ATA_DRDY | ATA_DF | ATA_DRQ | ATA_ERR))1031 == ATA_DRDY);1032}1033 1034static inline bool lba_28_ok(u64 block, u32 n_block)1035{1036 /* check the ending block number: must be LESS THAN 0x0fffffff */1037 return ((block + n_block) < ((1 << 28) - 1)) && (n_block <= ATA_MAX_SECTORS);1038}1039 1040static inline bool lba_48_ok(u64 block, u32 n_block)1041{1042 /* check the ending block number */1043 return ((block + n_block - 1) < ((u64)1 << 48)) && (n_block <= ATA_MAX_SECTORS_LBA48);1044}1045 1046#define sata_pmp_gscr_vendor(gscr) ((gscr)[SATA_PMP_GSCR_PROD_ID] & 0xffff)1047#define sata_pmp_gscr_devid(gscr) ((gscr)[SATA_PMP_GSCR_PROD_ID] >> 16)1048#define sata_pmp_gscr_rev(gscr) (((gscr)[SATA_PMP_GSCR_REV] >> 8) & 0xff)1049#define sata_pmp_gscr_ports(gscr) ((gscr)[SATA_PMP_GSCR_PORT_INFO] & 0xf)1050 1051#endif /* __LINUX_ATA_H__ */1052