1c82ee6d3SThomas Gleixner /* SPDX-License-Identifier: GPL-2.0-or-later */
21da177e4SLinus Torvalds
31da177e4SLinus Torvalds /*
4af36d7f0SJeff Garzik * Copyright 2003-2004 Red Hat, Inc. All rights reserved.
5af36d7f0SJeff Garzik * Copyright 2003-2004 Jeff Garzik
6af36d7f0SJeff Garzik *
7af36d7f0SJeff Garzik * libata documentation is available via 'make {ps|pdf}docs',
89bb9a39cSMauro Carvalho Chehab * as Documentation/driver-api/libata.rst
9af36d7f0SJeff Garzik *
10af36d7f0SJeff Garzik * Hardware documentation available from http://www.t13.org/
111da177e4SLinus Torvalds */
121da177e4SLinus Torvalds
131da177e4SLinus Torvalds #ifndef __LINUX_ATA_H__
141da177e4SLinus Torvalds #define __LINUX_ATA_H__
151da177e4SLinus Torvalds
16dbc557faSAndy Shevchenko #include <linux/bits.h>
170c659b82SMatthew Wilcox #include <linux/string.h>
181da177e4SLinus Torvalds #include <linux/types.h>
191da177e4SLinus Torvalds
201da177e4SLinus Torvalds /* defines only for the constants which don't work well as enums */
211da177e4SLinus Torvalds #define ATA_DMA_BOUNDARY 0xffffUL
221da177e4SLinus Torvalds #define ATA_DMA_MASK 0xffffffffULL
231da177e4SLinus Torvalds
241da177e4SLinus Torvalds enum {
251da177e4SLinus Torvalds /* various global constants */
261da177e4SLinus Torvalds ATA_MAX_DEVICES = 2, /* per bus/port */
271da177e4SLinus Torvalds ATA_MAX_PRD = 256, /* we could make these 256/256 */
281da177e4SLinus Torvalds ATA_SECT_SIZE = 512,
2918d6e9d5SAlbert Lee ATA_MAX_SECTORS_128 = 128,
308b881b04SJeff Garzik ATA_MAX_SECTORS = 256,
31af34d637SDavid Milburn ATA_MAX_SECTORS_1024 = 1024,
3235303d5cSTom Yan ATA_MAX_SECTORS_LBA48 = 65535,/* avoid count to be 0000h */
33f8d8e579STony Battersby ATA_MAX_SECTORS_TAPE = 65535,
342983860cSTom Yan ATA_MAX_TRIM_RNUM = 64, /* 512-byte payload / (6-byte LBA + 2-byte range per entry) */
351da177e4SLinus Torvalds
361da177e4SLinus Torvalds ATA_ID_WORDS = 256,
3737014c64SBartlomiej Zolnierkiewicz ATA_ID_CONFIG = 0,
3837014c64SBartlomiej Zolnierkiewicz ATA_ID_CYLS = 1,
3937014c64SBartlomiej Zolnierkiewicz ATA_ID_HEADS = 3,
4037014c64SBartlomiej Zolnierkiewicz ATA_ID_SECTORS = 6,
41a0cf733bSTejun Heo ATA_ID_SERNO = 10,
4237014c64SBartlomiej Zolnierkiewicz ATA_ID_BUF_SIZE = 21,
43a0cf733bSTejun Heo ATA_ID_FW_REV = 23,
44a0cf733bSTejun Heo ATA_ID_PROD = 27,
4537014c64SBartlomiej Zolnierkiewicz ATA_ID_MAX_MULTSECT = 47,
46e8f11db9SChristoph Hellwig ATA_ID_DWORD_IO = 48, /* before ATA-8 */
47e8f11db9SChristoph Hellwig ATA_ID_TRUSTED = 48, /* ATA-8 and later */
4837014c64SBartlomiej Zolnierkiewicz ATA_ID_CAPABILITY = 49,
4911e29e21SAlan Cox ATA_ID_OLD_PIO_MODES = 51,
5037014c64SBartlomiej Zolnierkiewicz ATA_ID_OLD_DMA_MODES = 52,
5111e29e21SAlan Cox ATA_ID_FIELD_VALID = 53,
5237014c64SBartlomiej Zolnierkiewicz ATA_ID_CUR_CYLS = 54,
5337014c64SBartlomiej Zolnierkiewicz ATA_ID_CUR_HEADS = 55,
5437014c64SBartlomiej Zolnierkiewicz ATA_ID_CUR_SECTORS = 56,
5537014c64SBartlomiej Zolnierkiewicz ATA_ID_MULTSECT = 59,
5637014c64SBartlomiej Zolnierkiewicz ATA_ID_LBA_CAPACITY = 60,
5737014c64SBartlomiej Zolnierkiewicz ATA_ID_SWDMA_MODES = 62,
581da177e4SLinus Torvalds ATA_ID_MWDMA_MODES = 63,
5911e29e21SAlan Cox ATA_ID_PIO_MODES = 64,
6011e29e21SAlan Cox ATA_ID_EIDE_DMA_MIN = 65,
6137014c64SBartlomiej Zolnierkiewicz ATA_ID_EIDE_DMA_TIME = 66,
6211e29e21SAlan Cox ATA_ID_EIDE_PIO = 67,
6311e29e21SAlan Cox ATA_ID_EIDE_PIO_IORDY = 68,
64e78db4dfSMartin K. Petersen ATA_ID_ADDITIONAL_SUPP = 69,
6537014c64SBartlomiej Zolnierkiewicz ATA_ID_QUEUE_DEPTH = 75,
66583661a8SShane Huang ATA_ID_SATA_CAPABILITY = 76,
67583661a8SShane Huang ATA_ID_SATA_CAPABILITY_2 = 77,
68583661a8SShane Huang ATA_ID_FEATURE_SUPP = 78,
6911e29e21SAlan Cox ATA_ID_MAJOR_VER = 80,
7037014c64SBartlomiej Zolnierkiewicz ATA_ID_COMMAND_SET_1 = 82,
7137014c64SBartlomiej Zolnierkiewicz ATA_ID_COMMAND_SET_2 = 83,
7237014c64SBartlomiej Zolnierkiewicz ATA_ID_CFSSE = 84,
7337014c64SBartlomiej Zolnierkiewicz ATA_ID_CFS_ENABLE_1 = 85,
7437014c64SBartlomiej Zolnierkiewicz ATA_ID_CFS_ENABLE_2 = 86,
7537014c64SBartlomiej Zolnierkiewicz ATA_ID_CSF_DEFAULT = 87,
7637014c64SBartlomiej Zolnierkiewicz ATA_ID_UDMA_MODES = 88,
7737014c64SBartlomiej Zolnierkiewicz ATA_ID_HW_CONFIG = 93,
7837014c64SBartlomiej Zolnierkiewicz ATA_ID_SPG = 98,
7937014c64SBartlomiej Zolnierkiewicz ATA_ID_LBA_CAPACITY_2 = 100,
8018f0f978SChristoph Hellwig ATA_ID_SECTOR_SIZE = 106,
816b3b9d73SHannes Reinecke ATA_ID_WWN = 108,
82295124dcSGrant Grundler ATA_ID_LOGICAL_SECTOR_SIZE = 117, /* and 118 */
83fe7173c2SHannes Reinecke ATA_ID_COMMAND_SET_3 = 119,
84fe7173c2SHannes Reinecke ATA_ID_COMMAND_SET_4 = 120,
8537014c64SBartlomiej Zolnierkiewicz ATA_ID_LAST_LUN = 126,
8637014c64SBartlomiej Zolnierkiewicz ATA_ID_DLF = 128,
8737014c64SBartlomiej Zolnierkiewicz ATA_ID_CSFO = 129,
8837014c64SBartlomiej Zolnierkiewicz ATA_ID_CFA_POWER = 160,
89d42ad15bSSergei Shtylyov ATA_ID_CFA_KEY_MGMT = 162,
90d42ad15bSSergei Shtylyov ATA_ID_CFA_MODES = 163,
910c659b82SMatthew Wilcox ATA_ID_DATA_SET_MGMT = 169,
927b203094SShaun Tancheff ATA_ID_SCT_CMD_XPORT = 206,
938bff7c6bSJens Axboe ATA_ID_ROT_SPEED = 217,
941da177e4SLinus Torvalds ATA_ID_PIO4 = (1 << 1),
951da177e4SLinus Torvalds
96a0cf733bSTejun Heo ATA_ID_SERNO_LEN = 20,
97a0cf733bSTejun Heo ATA_ID_FW_REV_LEN = 8,
98a0cf733bSTejun Heo ATA_ID_PROD_LEN = 40,
996b3b9d73SHannes Reinecke ATA_ID_WWN_LEN = 8,
100a0cf733bSTejun Heo
1011da177e4SLinus Torvalds ATA_PCI_CTL_OFS = 2,
1024099d143SBartlomiej Zolnierkiewicz
1034099d143SBartlomiej Zolnierkiewicz ATA_PIO0 = (1 << 0),
1044099d143SBartlomiej Zolnierkiewicz ATA_PIO1 = ATA_PIO0 | (1 << 1),
1054099d143SBartlomiej Zolnierkiewicz ATA_PIO2 = ATA_PIO1 | (1 << 2),
1064099d143SBartlomiej Zolnierkiewicz ATA_PIO3 = ATA_PIO2 | (1 << 3),
1074099d143SBartlomiej Zolnierkiewicz ATA_PIO4 = ATA_PIO3 | (1 << 4),
1084099d143SBartlomiej Zolnierkiewicz ATA_PIO5 = ATA_PIO4 | (1 << 5),
1094099d143SBartlomiej Zolnierkiewicz ATA_PIO6 = ATA_PIO5 | (1 << 6),
1104099d143SBartlomiej Zolnierkiewicz
11122ddbd1eSErik Inge Bolsø ATA_PIO4_ONLY = (1 << 4),
11222ddbd1eSErik Inge Bolsø
11391a6d4edSBartlomiej Zolnierkiewicz ATA_SWDMA0 = (1 << 0),
11491a6d4edSBartlomiej Zolnierkiewicz ATA_SWDMA1 = ATA_SWDMA0 | (1 << 1),
11591a6d4edSBartlomiej Zolnierkiewicz ATA_SWDMA2 = ATA_SWDMA1 | (1 << 2),
11691a6d4edSBartlomiej Zolnierkiewicz
11791a6d4edSBartlomiej Zolnierkiewicz ATA_SWDMA2_ONLY = (1 << 2),
11891a6d4edSBartlomiej Zolnierkiewicz
11991a6d4edSBartlomiej Zolnierkiewicz ATA_MWDMA0 = (1 << 0),
12091a6d4edSBartlomiej Zolnierkiewicz ATA_MWDMA1 = ATA_MWDMA0 | (1 << 1),
12191a6d4edSBartlomiej Zolnierkiewicz ATA_MWDMA2 = ATA_MWDMA1 | (1 << 2),
12222ddbd1eSErik Inge Bolsø ATA_MWDMA3 = ATA_MWDMA2 | (1 << 3),
12322ddbd1eSErik Inge Bolsø ATA_MWDMA4 = ATA_MWDMA3 | (1 << 4),
12491a6d4edSBartlomiej Zolnierkiewicz
12591a6d4edSBartlomiej Zolnierkiewicz ATA_MWDMA12_ONLY = (1 << 1) | (1 << 2),
12691a6d4edSBartlomiej Zolnierkiewicz ATA_MWDMA2_ONLY = (1 << 2),
12791a6d4edSBartlomiej Zolnierkiewicz
1281da177e4SLinus Torvalds ATA_UDMA0 = (1 << 0),
1291da177e4SLinus Torvalds ATA_UDMA1 = ATA_UDMA0 | (1 << 1),
1301da177e4SLinus Torvalds ATA_UDMA2 = ATA_UDMA1 | (1 << 2),
1311da177e4SLinus Torvalds ATA_UDMA3 = ATA_UDMA2 | (1 << 3),
1321da177e4SLinus Torvalds ATA_UDMA4 = ATA_UDMA3 | (1 << 4),
1331da177e4SLinus Torvalds ATA_UDMA5 = ATA_UDMA4 | (1 << 5),
1341da177e4SLinus Torvalds ATA_UDMA6 = ATA_UDMA5 | (1 << 6),
1351da177e4SLinus Torvalds ATA_UDMA7 = ATA_UDMA6 | (1 << 7),
1361da177e4SLinus Torvalds /* ATA_UDMA7 is just for completeness... doesn't exist (yet?). */
1371da177e4SLinus Torvalds
13822ddbd1eSErik Inge Bolsø ATA_UDMA24_ONLY = (1 << 2) | (1 << 4),
13922ddbd1eSErik Inge Bolsø
1401da177e4SLinus Torvalds ATA_UDMA_MASK_40C = ATA_UDMA2, /* udma0-2 */
1411da177e4SLinus Torvalds
1421da177e4SLinus Torvalds /* DMA-related */
1431da177e4SLinus Torvalds ATA_PRD_SZ = 8,
1441da177e4SLinus Torvalds ATA_PRD_TBL_SZ = (ATA_MAX_PRD * ATA_PRD_SZ),
1451da177e4SLinus Torvalds ATA_PRD_EOT = (1 << 31), /* end-of-table flag */
1461da177e4SLinus Torvalds
1471da177e4SLinus Torvalds ATA_DMA_TABLE_OFS = 4,
1481da177e4SLinus Torvalds ATA_DMA_STATUS = 2,
1491da177e4SLinus Torvalds ATA_DMA_CMD = 0,
1501da177e4SLinus Torvalds ATA_DMA_WR = (1 << 3),
1511da177e4SLinus Torvalds ATA_DMA_START = (1 << 0),
1521da177e4SLinus Torvalds ATA_DMA_INTR = (1 << 2),
1531da177e4SLinus Torvalds ATA_DMA_ERR = (1 << 1),
1541da177e4SLinus Torvalds ATA_DMA_ACTIVE = (1 << 0),
1551da177e4SLinus Torvalds
1561da177e4SLinus Torvalds /* bits in ATA command block registers */
1571da177e4SLinus Torvalds ATA_HOB = (1 << 7), /* LBA48 selector */
1581da177e4SLinus Torvalds ATA_NIEN = (1 << 1), /* disable-irq flag */
1591da177e4SLinus Torvalds ATA_LBA = (1 << 6), /* LBA28 selector */
1601da177e4SLinus Torvalds ATA_DEV1 = (1 << 4), /* Select Device 1 (slave) */
1611da177e4SLinus Torvalds ATA_DEVICE_OBS = (1 << 7) | (1 << 5), /* obs bits in dev reg */
1621da177e4SLinus Torvalds ATA_DEVCTL_OBS = (1 << 3), /* obsolete bit in devctl reg */
1631da177e4SLinus Torvalds ATA_BUSY = (1 << 7), /* BSY status bit */
1641da177e4SLinus Torvalds ATA_DRDY = (1 << 6), /* device ready */
1651da177e4SLinus Torvalds ATA_DF = (1 << 5), /* device fault */
166b5911620SBartlomiej Zolnierkiewicz ATA_DSC = (1 << 4), /* drive seek complete */
1671da177e4SLinus Torvalds ATA_DRQ = (1 << 3), /* data request i/o */
168b5911620SBartlomiej Zolnierkiewicz ATA_CORR = (1 << 2), /* corrected data error */
16927f00e53SHannes Reinecke ATA_SENSE = (1 << 1), /* sense code available */
1701da177e4SLinus Torvalds ATA_ERR = (1 << 0), /* have an error */
1711da177e4SLinus Torvalds ATA_SRST = (1 << 2), /* software reset */
1729be1e979STejun Heo ATA_ICRC = (1 << 7), /* interface CRC error */
173b5911620SBartlomiej Zolnierkiewicz ATA_BBK = ATA_ICRC, /* pre-EIDE: block marked bad */
1749be1e979STejun Heo ATA_UNC = (1 << 6), /* uncorrectable media error */
175b5911620SBartlomiej Zolnierkiewicz ATA_MC = (1 << 5), /* media changed */
1769be1e979STejun Heo ATA_IDNF = (1 << 4), /* ID not found */
177b5911620SBartlomiej Zolnierkiewicz ATA_MCR = (1 << 3), /* media change requested */
1781da177e4SLinus Torvalds ATA_ABORTED = (1 << 2), /* command aborted */
179b5911620SBartlomiej Zolnierkiewicz ATA_TRK0NF = (1 << 1), /* track 0 not found */
180b5911620SBartlomiej Zolnierkiewicz ATA_AMNF = (1 << 0), /* address mark not found */
181b5911620SBartlomiej Zolnierkiewicz ATAPI_LFS = 0xF0, /* last failed sense */
182b5911620SBartlomiej Zolnierkiewicz ATAPI_EOM = ATA_TRK0NF, /* end of media */
183b5911620SBartlomiej Zolnierkiewicz ATAPI_ILI = ATA_AMNF, /* illegal length indication */
184b5911620SBartlomiej Zolnierkiewicz ATAPI_IO = (1 << 1),
185b5911620SBartlomiej Zolnierkiewicz ATAPI_COD = (1 << 0),
1861da177e4SLinus Torvalds
1871da177e4SLinus Torvalds /* ATA command block registers */
1881da177e4SLinus Torvalds ATA_REG_DATA = 0x00,
1891da177e4SLinus Torvalds ATA_REG_ERR = 0x01,
1901da177e4SLinus Torvalds ATA_REG_NSECT = 0x02,
1911da177e4SLinus Torvalds ATA_REG_LBAL = 0x03,
1921da177e4SLinus Torvalds ATA_REG_LBAM = 0x04,
1931da177e4SLinus Torvalds ATA_REG_LBAH = 0x05,
1941da177e4SLinus Torvalds ATA_REG_DEVICE = 0x06,
1951da177e4SLinus Torvalds ATA_REG_STATUS = 0x07,
1961da177e4SLinus Torvalds
1971da177e4SLinus Torvalds ATA_REG_FEATURE = ATA_REG_ERR, /* and their aliases */
1981da177e4SLinus Torvalds ATA_REG_CMD = ATA_REG_STATUS,
1991da177e4SLinus Torvalds ATA_REG_BYTEL = ATA_REG_LBAM,
2001da177e4SLinus Torvalds ATA_REG_BYTEH = ATA_REG_LBAH,
2011da177e4SLinus Torvalds ATA_REG_DEVSEL = ATA_REG_DEVICE,
2021da177e4SLinus Torvalds ATA_REG_IRQ = ATA_REG_NSECT,
2031da177e4SLinus Torvalds
2041da177e4SLinus Torvalds /* ATA device commands */
205ab2181cfSJeff Garzik ATA_CMD_DEV_RESET = 0x08, /* ATAPI device reset */
2061da177e4SLinus Torvalds ATA_CMD_CHK_POWER = 0xE5, /* check power mode */
207972dcafbSDouglas Gilbert ATA_CMD_STANDBY = 0xE2, /* place in standby power mode */
208972dcafbSDouglas Gilbert ATA_CMD_IDLE = 0xE3, /* place in idle power mode */
2091da177e4SLinus Torvalds ATA_CMD_EDD = 0x90, /* execute device diagnostic */
2106521148cSRobert Hancock ATA_CMD_DOWNLOAD_MICRO = 0x92,
2113915c3b5SRobert Hancock ATA_CMD_DOWNLOAD_MICRO_DMA = 0x93,
2126521148cSRobert Hancock ATA_CMD_NOP = 0x00,
2131da177e4SLinus Torvalds ATA_CMD_FLUSH = 0xE7,
2141da177e4SLinus Torvalds ATA_CMD_FLUSH_EXT = 0xEA,
2151da177e4SLinus Torvalds ATA_CMD_ID_ATA = 0xEC,
2161da177e4SLinus Torvalds ATA_CMD_ID_ATAPI = 0xA1,
2176521148cSRobert Hancock ATA_CMD_SERVICE = 0xA2,
2181da177e4SLinus Torvalds ATA_CMD_READ = 0xC8,
2191da177e4SLinus Torvalds ATA_CMD_READ_EXT = 0x25,
2206521148cSRobert Hancock ATA_CMD_READ_QUEUED = 0x26,
2216521148cSRobert Hancock ATA_CMD_READ_STREAM_EXT = 0x2B,
2226521148cSRobert Hancock ATA_CMD_READ_STREAM_DMA_EXT = 0x2A,
2231da177e4SLinus Torvalds ATA_CMD_WRITE = 0xCA,
2241da177e4SLinus Torvalds ATA_CMD_WRITE_EXT = 0x35,
2256521148cSRobert Hancock ATA_CMD_WRITE_QUEUED = 0x36,
2266521148cSRobert Hancock ATA_CMD_WRITE_STREAM_EXT = 0x3B,
2276521148cSRobert Hancock ATA_CMD_WRITE_STREAM_DMA_EXT = 0x3A,
2289a3dccc4STejun Heo ATA_CMD_WRITE_FUA_EXT = 0x3D,
2296521148cSRobert Hancock ATA_CMD_WRITE_QUEUED_FUA_EXT = 0x3E,
23088e49034STejun Heo ATA_CMD_FPDMA_READ = 0x60,
23188e49034STejun Heo ATA_CMD_FPDMA_WRITE = 0x61,
232661ce1f0SHannes Reinecke ATA_CMD_NCQ_NON_DATA = 0x63,
233ed36911cSMarc Carino ATA_CMD_FPDMA_SEND = 0x64,
234ed36911cSMarc Carino ATA_CMD_FPDMA_RECV = 0x65,
2351da177e4SLinus Torvalds ATA_CMD_PIO_READ = 0x20,
2361da177e4SLinus Torvalds ATA_CMD_PIO_READ_EXT = 0x24,
2371da177e4SLinus Torvalds ATA_CMD_PIO_WRITE = 0x30,
2381da177e4SLinus Torvalds ATA_CMD_PIO_WRITE_EXT = 0x34,
2398cbd6df1SAlbert Lee ATA_CMD_READ_MULTI = 0xC4,
2408cbd6df1SAlbert Lee ATA_CMD_READ_MULTI_EXT = 0x29,
2418cbd6df1SAlbert Lee ATA_CMD_WRITE_MULTI = 0xC5,
2428cbd6df1SAlbert Lee ATA_CMD_WRITE_MULTI_EXT = 0x39,
2439a3dccc4STejun Heo ATA_CMD_WRITE_MULTI_FUA_EXT = 0xCE,
2441da177e4SLinus Torvalds ATA_CMD_SET_FEATURES = 0xEF,
2452c3d2a46SAlbert Lee ATA_CMD_SET_MULTI = 0xC6,
2461da177e4SLinus Torvalds ATA_CMD_PACKET = 0xA0,
2471da177e4SLinus Torvalds ATA_CMD_VERIFY = 0x40,
2481da177e4SLinus Torvalds ATA_CMD_VERIFY_EXT = 0x42,
2496521148cSRobert Hancock ATA_CMD_WRITE_UNCORR_EXT = 0x45,
2509b847548SJens Axboe ATA_CMD_STANDBYNOW1 = 0xE0,
2519b847548SJens Axboe ATA_CMD_IDLEIMMEDIATE = 0xE1,
252054a5fbaSTejun Heo ATA_CMD_SLEEP = 0xE6,
2538bf62eceSAlbert Lee ATA_CMD_INIT_DEV_PARAMS = 0x91,
254b6782728SAlan Cox ATA_CMD_READ_NATIVE_MAX = 0xF8,
255b6782728SAlan Cox ATA_CMD_READ_NATIVE_MAX_EXT = 0x27,
2561e999736SAlan Cox ATA_CMD_SET_MAX = 0xF9,
2571e999736SAlan Cox ATA_CMD_SET_MAX_EXT = 0x37,
2586521148cSRobert Hancock ATA_CMD_READ_LOG_EXT = 0x2F,
2596521148cSRobert Hancock ATA_CMD_WRITE_LOG_EXT = 0x3F,
2606521148cSRobert Hancock ATA_CMD_READ_LOG_DMA_EXT = 0x47,
2616521148cSRobert Hancock ATA_CMD_WRITE_LOG_DMA_EXT = 0x57,
2623915c3b5SRobert Hancock ATA_CMD_TRUSTED_NONDATA = 0x5B,
2636521148cSRobert Hancock ATA_CMD_TRUSTED_RCV = 0x5C,
2646521148cSRobert Hancock ATA_CMD_TRUSTED_RCV_DMA = 0x5D,
2656521148cSRobert Hancock ATA_CMD_TRUSTED_SND = 0x5E,
2666521148cSRobert Hancock ATA_CMD_TRUSTED_SND_DMA = 0x5F,
267814600eeSTejun Heo ATA_CMD_PMP_READ = 0xE4,
2683915c3b5SRobert Hancock ATA_CMD_PMP_READ_DMA = 0xE9,
269814600eeSTejun Heo ATA_CMD_PMP_WRITE = 0xE8,
2703915c3b5SRobert Hancock ATA_CMD_PMP_WRITE_DMA = 0xEB,
271ce2e0abbSTejun Heo ATA_CMD_CONF_OVERLAY = 0xB1,
2726521148cSRobert Hancock ATA_CMD_SEC_SET_PASS = 0xF1,
2736521148cSRobert Hancock ATA_CMD_SEC_UNLOCK = 0xF2,
2746521148cSRobert Hancock ATA_CMD_SEC_ERASE_PREP = 0xF3,
2756521148cSRobert Hancock ATA_CMD_SEC_ERASE_UNIT = 0xF4,
276ce2e0abbSTejun Heo ATA_CMD_SEC_FREEZE_LOCK = 0xF5,
2776521148cSRobert Hancock ATA_CMD_SEC_DISABLE_PASS = 0xF6,
2786521148cSRobert Hancock ATA_CMD_CONFIG_STREAM = 0x51,
279476d9894SBartlomiej Zolnierkiewicz ATA_CMD_SMART = 0xB0,
280476d9894SBartlomiej Zolnierkiewicz ATA_CMD_MEDIA_LOCK = 0xDE,
281476d9894SBartlomiej Zolnierkiewicz ATA_CMD_MEDIA_UNLOCK = 0xDF,
2820c659b82SMatthew Wilcox ATA_CMD_DSM = 0x06,
2836521148cSRobert Hancock ATA_CMD_CHK_MED_CRD_TYP = 0xD1,
2846521148cSRobert Hancock ATA_CMD_CFA_REQ_EXT_ERR = 0x03,
2856521148cSRobert Hancock ATA_CMD_CFA_WRITE_NE = 0x38,
2866521148cSRobert Hancock ATA_CMD_CFA_TRANS_SECT = 0x87,
2876521148cSRobert Hancock ATA_CMD_CFA_ERASE = 0xC0,
2886521148cSRobert Hancock ATA_CMD_CFA_WRITE_MULT_NE = 0xCD,
2893915c3b5SRobert Hancock ATA_CMD_REQ_SENSE_DATA = 0x0B,
2903915c3b5SRobert Hancock ATA_CMD_SANITIZE_DEVICE = 0xB4,
29128a3fc22SHannes Reinecke ATA_CMD_ZAC_MGMT_IN = 0x4A,
29227708a95SHannes Reinecke ATA_CMD_ZAC_MGMT_OUT = 0x9F,
2933915c3b5SRobert Hancock
294476d9894SBartlomiej Zolnierkiewicz /* marked obsolete in the ATA/ATAPI-7 spec */
295476d9894SBartlomiej Zolnierkiewicz ATA_CMD_RESTORE = 0x10,
29688e49034STejun Heo
2975c65d8bbSHannes Reinecke /* Subcmds for ATA_CMD_FPDMA_RECV */
2985c65d8bbSHannes Reinecke ATA_SUBCMD_FPDMA_RECV_RD_LOG_DMA_EXT = 0x01,
29928a3fc22SHannes Reinecke ATA_SUBCMD_FPDMA_RECV_ZAC_MGMT_IN = 0x02,
3005c65d8bbSHannes Reinecke
301ed36911cSMarc Carino /* Subcmds for ATA_CMD_FPDMA_SEND */
302ed36911cSMarc Carino ATA_SUBCMD_FPDMA_SEND_DSM = 0x00,
303ed36911cSMarc Carino ATA_SUBCMD_FPDMA_SEND_WR_LOG_DMA_EXT = 0x02,
304ed36911cSMarc Carino
305a5703849SHannes Reinecke /* Subcmds for ATA_CMD_NCQ_NON_DATA */
306a5703849SHannes Reinecke ATA_SUBCMD_NCQ_NON_DATA_ABORT_QUEUE = 0x00,
307a5703849SHannes Reinecke ATA_SUBCMD_NCQ_NON_DATA_SET_FEATURES = 0x05,
308a5703849SHannes Reinecke ATA_SUBCMD_NCQ_NON_DATA_ZERO_EXT = 0x06,
309284b3b77SHannes Reinecke ATA_SUBCMD_NCQ_NON_DATA_ZAC_MGMT_OUT = 0x07,
310a5703849SHannes Reinecke
31128a3fc22SHannes Reinecke /* Subcmds for ATA_CMD_ZAC_MGMT_IN */
31228a3fc22SHannes Reinecke ATA_SUBCMD_ZAC_MGMT_IN_REPORT_ZONES = 0x00,
31328a3fc22SHannes Reinecke
31427708a95SHannes Reinecke /* Subcmds for ATA_CMD_ZAC_MGMT_OUT */
31527708a95SHannes Reinecke ATA_SUBCMD_ZAC_MGMT_OUT_CLOSE_ZONE = 0x01,
31627708a95SHannes Reinecke ATA_SUBCMD_ZAC_MGMT_OUT_FINISH_ZONE = 0x02,
31727708a95SHannes Reinecke ATA_SUBCMD_ZAC_MGMT_OUT_OPEN_ZONE = 0x03,
31827708a95SHannes Reinecke ATA_SUBCMD_ZAC_MGMT_OUT_RESET_WRITE_POINTER = 0x04,
31927708a95SHannes Reinecke
32088e49034STejun Heo /* READ_LOG_EXT pages */
321fe5af0ccSHannes Reinecke ATA_LOG_DIRECTORY = 0x0,
32288e49034STejun Heo ATA_LOG_SATA_NCQ = 0x10,
323284b3b77SHannes Reinecke ATA_LOG_NCQ_NON_DATA = 0x12,
324ed36911cSMarc Carino ATA_LOG_NCQ_SEND_RECV = 0x13,
32562e4a60eSDamien Le Moal ATA_LOG_CDL = 0x18,
32662e4a60eSDamien Le Moal ATA_LOG_CDL_SIZE = ATA_SECT_SIZE,
3271d51d5f3SChristoph Hellwig ATA_LOG_IDENTIFY_DEVICE = 0x30,
328*18bd7718SNiklas Cassel ATA_LOG_SENSE_NCQ = 0x0F,
329*18bd7718SNiklas Cassel ATA_LOG_SENSE_NCQ_SIZE = ATA_SECT_SIZE * 2,
330fda17afcSDamien Le Moal ATA_LOG_CONCURRENT_POSITIONING_RANGES = 0x47,
3311d51d5f3SChristoph Hellwig
3321d51d5f3SChristoph Hellwig /* Identify device log pages: */
33362e4a60eSDamien Le Moal ATA_LOG_SUPPORTED_CAPABILITIES = 0x03,
334df60f9c6SDamien Le Moal ATA_LOG_CURRENT_SETTINGS = 0x04,
335818831c8SChristoph Hellwig ATA_LOG_SECURITY = 0x06,
33665fe1f0fSShane Huang ATA_LOG_SATA_SETTINGS = 0x08,
3376d1003aeSHannes Reinecke ATA_LOG_ZONED_INFORMATION = 0x09,
3381d51d5f3SChristoph Hellwig
3391d51d5f3SChristoph Hellwig /* Identify device SATA settings log: */
340803739d2SShane Huang ATA_LOG_DEVSLP_OFFSET = 0x30,
341803739d2SShane Huang ATA_LOG_DEVSLP_SIZE = 0x08,
342803739d2SShane Huang ATA_LOG_DEVSLP_MDAT = 0x00,
34365fe1f0fSShane Huang ATA_LOG_DEVSLP_MDAT_MASK = 0x1F,
344803739d2SShane Huang ATA_LOG_DEVSLP_DETO = 0x01,
345803739d2SShane Huang ATA_LOG_DEVSLP_VALID = 0x07,
34665fe1f0fSShane Huang ATA_LOG_DEVSLP_VALID_MASK = 0x80,
3478e061784SAdam Manzanares ATA_LOG_NCQ_PRIO_OFFSET = 0x09,
3481da177e4SLinus Torvalds
349ed36911cSMarc Carino /* NCQ send and receive log */
350ed36911cSMarc Carino ATA_LOG_NCQ_SEND_RECV_SUBCMDS_OFFSET = 0x00,
351ed36911cSMarc Carino ATA_LOG_NCQ_SEND_RECV_SUBCMDS_DSM = (1 << 0),
352ed36911cSMarc Carino ATA_LOG_NCQ_SEND_RECV_DSM_OFFSET = 0x04,
353ed36911cSMarc Carino ATA_LOG_NCQ_SEND_RECV_DSM_TRIM = (1 << 0),
354ed36911cSMarc Carino ATA_LOG_NCQ_SEND_RECV_RD_LOG_OFFSET = 0x08,
3555c65d8bbSHannes Reinecke ATA_LOG_NCQ_SEND_RECV_RD_LOG_SUPPORTED = (1 << 0),
356ed36911cSMarc Carino ATA_LOG_NCQ_SEND_RECV_WR_LOG_OFFSET = 0x0C,
3575c65d8bbSHannes Reinecke ATA_LOG_NCQ_SEND_RECV_WR_LOG_SUPPORTED = (1 << 0),
35828a3fc22SHannes Reinecke ATA_LOG_NCQ_SEND_RECV_ZAC_MGMT_OFFSET = 0x10,
35928a3fc22SHannes Reinecke ATA_LOG_NCQ_SEND_RECV_ZAC_MGMT_OUT_SUPPORTED = (1 << 0),
36028a3fc22SHannes Reinecke ATA_LOG_NCQ_SEND_RECV_ZAC_MGMT_IN_SUPPORTED = (1 << 1),
36128a3fc22SHannes Reinecke ATA_LOG_NCQ_SEND_RECV_SIZE = 0x14,
362ed36911cSMarc Carino
363a5703849SHannes Reinecke /* NCQ Non-Data log */
364a5703849SHannes Reinecke ATA_LOG_NCQ_NON_DATA_SUBCMDS_OFFSET = 0x00,
365a5703849SHannes Reinecke ATA_LOG_NCQ_NON_DATA_ABORT_OFFSET = 0x00,
366a5703849SHannes Reinecke ATA_LOG_NCQ_NON_DATA_ABORT_NCQ = (1 << 0),
367a5703849SHannes Reinecke ATA_LOG_NCQ_NON_DATA_ABORT_ALL = (1 << 1),
368a5703849SHannes Reinecke ATA_LOG_NCQ_NON_DATA_ABORT_STREAMING = (1 << 2),
369a5703849SHannes Reinecke ATA_LOG_NCQ_NON_DATA_ABORT_NON_STREAMING = (1 << 3),
370a5703849SHannes Reinecke ATA_LOG_NCQ_NON_DATA_ABORT_SELECTED = (1 << 4),
371a5703849SHannes Reinecke ATA_LOG_NCQ_NON_DATA_ZAC_MGMT_OFFSET = 0x1C,
372a5703849SHannes Reinecke ATA_LOG_NCQ_NON_DATA_ZAC_MGMT_OUT = (1 << 0),
373a5703849SHannes Reinecke ATA_LOG_NCQ_NON_DATA_SIZE = 0x40,
3741da177e4SLinus Torvalds
3755a5dbd18SMark Lord /* READ/WRITE LONG (obsolete) */
3765a5dbd18SMark Lord ATA_CMD_READ_LONG = 0x22,
3775a5dbd18SMark Lord ATA_CMD_READ_LONG_ONCE = 0x23,
3785a5dbd18SMark Lord ATA_CMD_WRITE_LONG = 0x32,
3795a5dbd18SMark Lord ATA_CMD_WRITE_LONG_ONCE = 0x33,
3805a5dbd18SMark Lord
3811da177e4SLinus Torvalds /* SETFEATURES stuff */
3821da177e4SLinus Torvalds SETFEATURES_XFER = 0x03,
3831da177e4SLinus Torvalds XFER_UDMA_7 = 0x47,
3841da177e4SLinus Torvalds XFER_UDMA_6 = 0x46,
3851da177e4SLinus Torvalds XFER_UDMA_5 = 0x45,
3861da177e4SLinus Torvalds XFER_UDMA_4 = 0x44,
3871da177e4SLinus Torvalds XFER_UDMA_3 = 0x43,
3881da177e4SLinus Torvalds XFER_UDMA_2 = 0x42,
3891da177e4SLinus Torvalds XFER_UDMA_1 = 0x41,
3901da177e4SLinus Torvalds XFER_UDMA_0 = 0x40,
391b352e57dSAlan Cox XFER_MW_DMA_4 = 0x24, /* CFA only */
392b352e57dSAlan Cox XFER_MW_DMA_3 = 0x23, /* CFA only */
3931da177e4SLinus Torvalds XFER_MW_DMA_2 = 0x22,
3941da177e4SLinus Torvalds XFER_MW_DMA_1 = 0x21,
3951da177e4SLinus Torvalds XFER_MW_DMA_0 = 0x20,
396b4b52db7SAlan Cox XFER_SW_DMA_2 = 0x12,
397b4b52db7SAlan Cox XFER_SW_DMA_1 = 0x11,
398b4b52db7SAlan Cox XFER_SW_DMA_0 = 0x10,
399b352e57dSAlan Cox XFER_PIO_6 = 0x0E, /* CFA only */
400b352e57dSAlan Cox XFER_PIO_5 = 0x0D, /* CFA only */
4011da177e4SLinus Torvalds XFER_PIO_4 = 0x0C,
4021da177e4SLinus Torvalds XFER_PIO_3 = 0x0B,
4031da177e4SLinus Torvalds XFER_PIO_2 = 0x0A,
4041da177e4SLinus Torvalds XFER_PIO_1 = 0x09,
4051da177e4SLinus Torvalds XFER_PIO_0 = 0x08,
4061da177e4SLinus Torvalds XFER_PIO_SLOW = 0x00,
4071da177e4SLinus Torvalds
4083057ac3cSzhao, forrest SETFEATURES_WC_ON = 0x02, /* Enable write cache */
4093057ac3cSzhao, forrest SETFEATURES_WC_OFF = 0x82, /* Disable write cache */
4103057ac3cSzhao, forrest
4110c12735eSTom Yan SETFEATURES_RA_ON = 0xaa, /* Enable read look-ahead */
4120c12735eSTom Yan SETFEATURES_RA_OFF = 0x55, /* Disable read look-ahead */
4130c12735eSTom Yan
414476d9894SBartlomiej Zolnierkiewicz /* Enable/Disable Automatic Acoustic Management */
415476d9894SBartlomiej Zolnierkiewicz SETFEATURES_AAM_ON = 0x42,
416476d9894SBartlomiej Zolnierkiewicz SETFEATURES_AAM_OFF = 0xC2,
417476d9894SBartlomiej Zolnierkiewicz
418169439c2SMark Lord SETFEATURES_SPINUP = 0x07, /* Spin-up drive */
419974e0a45SDamien Le Moal SETFEATURES_SPINUP_TIMEOUT = 30000, /* 30s timeout for drive spin-up from PUIS */
420169439c2SMark Lord
4219f45cbd3SKristen Carlson Accardi SETFEATURES_SATA_ENABLE = 0x10, /* Enable use of SATA feature */
4229f45cbd3SKristen Carlson Accardi SETFEATURES_SATA_DISABLE = 0x90, /* Disable use of SATA feature */
4239f45cbd3SKristen Carlson Accardi
424df60f9c6SDamien Le Moal SETFEATURES_CDL = 0x0d, /* Enable/disable cmd duration limits */
425df60f9c6SDamien Le Moal
4269f45cbd3SKristen Carlson Accardi /* SETFEATURE Sector counts for SATA features */
427fa5b561cSTejun Heo SATA_FPDMA_OFFSET = 0x01, /* FPDMA non-zero buffer offsets */
428f1bce7f8STejun Heo SATA_FPDMA_AA = 0x02, /* FPDMA Setup FIS Auto-Activate */
429ca77329fSKristen Carlson Accardi SATA_DIPM = 0x03, /* Device Initiated Power Management */
430fa5b561cSTejun Heo SATA_FPDMA_IN_ORDER = 0x04, /* FPDMA in-order data delivery */
431f1bce7f8STejun Heo SATA_AN = 0x05, /* Asynchronous Notification */
432fa5b561cSTejun Heo SATA_SSP = 0x06, /* Software Settings Preservation */
43365fe1f0fSShane Huang SATA_DEVSLP = 0x09, /* Device Sleep */
4349f45cbd3SKristen Carlson Accardi
435e87fd28cSHannes Reinecke SETFEATURE_SENSE_DATA = 0xC3, /* Sense Data Reporting feature */
436*18bd7718SNiklas Cassel SETFEATURE_SENSE_DATA_SUCC_NCQ = 0xC4, /* Sense Data for successful NCQ commands */
437e87fd28cSHannes Reinecke
438ce2e0abbSTejun Heo /* feature values for SET_MAX */
439ce2e0abbSTejun Heo ATA_SET_MAX_ADDR = 0x00,
440ce2e0abbSTejun Heo ATA_SET_MAX_PASSWD = 0x01,
441ce2e0abbSTejun Heo ATA_SET_MAX_LOCK = 0x02,
442ce2e0abbSTejun Heo ATA_SET_MAX_UNLOCK = 0x03,
443ce2e0abbSTejun Heo ATA_SET_MAX_FREEZE_LOCK = 0x04,
444d5c15c2cSchenxiang ATA_SET_MAX_PASSWD_DMA = 0x05,
445d5c15c2cSchenxiang ATA_SET_MAX_UNLOCK_DMA = 0x06,
446ce2e0abbSTejun Heo
447ce2e0abbSTejun Heo /* feature values for DEVICE CONFIGURATION OVERLAY */
448ce2e0abbSTejun Heo ATA_DCO_RESTORE = 0xC0,
449ce2e0abbSTejun Heo ATA_DCO_FREEZE_LOCK = 0xC1,
450ce2e0abbSTejun Heo ATA_DCO_IDENTIFY = 0xC2,
451ce2e0abbSTejun Heo ATA_DCO_SET = 0xC3,
452ce2e0abbSTejun Heo
453476d9894SBartlomiej Zolnierkiewicz /* feature values for SMART */
454476d9894SBartlomiej Zolnierkiewicz ATA_SMART_ENABLE = 0xD8,
455476d9894SBartlomiej Zolnierkiewicz ATA_SMART_READ_VALUES = 0xD0,
456476d9894SBartlomiej Zolnierkiewicz ATA_SMART_READ_THRESHOLDS = 0xD1,
457476d9894SBartlomiej Zolnierkiewicz
4580c659b82SMatthew Wilcox /* feature values for Data Set Management */
4590c659b82SMatthew Wilcox ATA_DSM_TRIM = 0x01,
4600c659b82SMatthew Wilcox
461476d9894SBartlomiej Zolnierkiewicz /* password used in LBA Mid / LBA High for executing SMART commands */
462476d9894SBartlomiej Zolnierkiewicz ATA_SMART_LBAM_PASS = 0x4F,
463476d9894SBartlomiej Zolnierkiewicz ATA_SMART_LBAH_PASS = 0xC2,
464476d9894SBartlomiej Zolnierkiewicz
4651da177e4SLinus Torvalds /* ATAPI stuff */
4661da177e4SLinus Torvalds ATAPI_PKT_DMA = (1 << 0),
4671da177e4SLinus Torvalds ATAPI_DMADIR = (1 << 2), /* ATAPI data dir:
4681da177e4SLinus Torvalds 0=to device, 1=to host */
4691da177e4SLinus Torvalds ATAPI_CDB_LEN = 16,
4701da177e4SLinus Torvalds
471814600eeSTejun Heo /* PMP stuff */
472814600eeSTejun Heo SATA_PMP_MAX_PORTS = 15,
473814600eeSTejun Heo SATA_PMP_CTRL_PORT = 15,
474814600eeSTejun Heo
475814600eeSTejun Heo SATA_PMP_GSCR_DWORDS = 128,
476814600eeSTejun Heo SATA_PMP_GSCR_PROD_ID = 0,
477814600eeSTejun Heo SATA_PMP_GSCR_REV = 1,
478814600eeSTejun Heo SATA_PMP_GSCR_PORT_INFO = 2,
479814600eeSTejun Heo SATA_PMP_GSCR_ERROR = 32,
480814600eeSTejun Heo SATA_PMP_GSCR_ERROR_EN = 33,
481814600eeSTejun Heo SATA_PMP_GSCR_FEAT = 64,
482814600eeSTejun Heo SATA_PMP_GSCR_FEAT_EN = 96,
483814600eeSTejun Heo
484814600eeSTejun Heo SATA_PMP_PSCR_STATUS = 0,
485814600eeSTejun Heo SATA_PMP_PSCR_ERROR = 1,
486814600eeSTejun Heo SATA_PMP_PSCR_CONTROL = 2,
487814600eeSTejun Heo
488814600eeSTejun Heo SATA_PMP_FEAT_BIST = (1 << 0),
489814600eeSTejun Heo SATA_PMP_FEAT_PMREQ = (1 << 1),
490814600eeSTejun Heo SATA_PMP_FEAT_DYNSSC = (1 << 2),
491814600eeSTejun Heo SATA_PMP_FEAT_NOTIFY = (1 << 3),
492814600eeSTejun Heo
4931da177e4SLinus Torvalds /* cable types */
4941da177e4SLinus Torvalds ATA_CBL_NONE = 0,
4951da177e4SLinus Torvalds ATA_CBL_PATA40 = 1,
4961da177e4SLinus Torvalds ATA_CBL_PATA80 = 2,
497fc085150SAlan Cox ATA_CBL_PATA40_SHORT = 3, /* 40 wire cable to high UDMA spec */
498c88f90c3STejun Heo ATA_CBL_PATA_UNK = 4, /* don't know, maybe 80c? */
499c88f90c3STejun Heo ATA_CBL_PATA_IGN = 5, /* don't know, ignore cable handling */
500c88f90c3STejun Heo ATA_CBL_SATA = 6,
5011da177e4SLinus Torvalds
5021da177e4SLinus Torvalds /* SATA Status and Control Registers */
5031da177e4SLinus Torvalds SCR_STATUS = 0,
5041da177e4SLinus Torvalds SCR_ERROR = 1,
5051da177e4SLinus Torvalds SCR_CONTROL = 2,
5061da177e4SLinus Torvalds SCR_ACTIVE = 3,
5071da177e4SLinus Torvalds SCR_NOTIFICATION = 4,
5081da177e4SLinus Torvalds
5099be1e979STejun Heo /* SError bits */
5109be1e979STejun Heo SERR_DATA_RECOVERED = (1 << 0), /* recovered data error */
5119be1e979STejun Heo SERR_COMM_RECOVERED = (1 << 1), /* recovered comm failure */
5129be1e979STejun Heo SERR_DATA = (1 << 8), /* unrecovered data error */
5139be1e979STejun Heo SERR_PERSISTENT = (1 << 9), /* persistent data/comm error */
5149be1e979STejun Heo SERR_PROTOCOL = (1 << 10), /* protocol violation */
5159be1e979STejun Heo SERR_INTERNAL = (1 << 11), /* host internal error */
5169be1e979STejun Heo SERR_PHYRDY_CHG = (1 << 16), /* PHY RDY changed */
5171333e194SRobert Hancock SERR_PHY_INT_ERR = (1 << 17), /* PHY internal error */
5181333e194SRobert Hancock SERR_COMM_WAKE = (1 << 18), /* Comm wake */
5191333e194SRobert Hancock SERR_10B_8B_ERR = (1 << 19), /* 10b to 8b decode error */
5201333e194SRobert Hancock SERR_DISPARITY = (1 << 20), /* Disparity */
5211333e194SRobert Hancock SERR_CRC = (1 << 21), /* CRC error */
5221333e194SRobert Hancock SERR_HANDSHAKE = (1 << 22), /* Handshake error */
5231333e194SRobert Hancock SERR_LINK_SEQ_ERR = (1 << 23), /* Link sequence error */
5241333e194SRobert Hancock SERR_TRANS_ST_ERROR = (1 << 24), /* Transport state trans. error */
5251333e194SRobert Hancock SERR_UNRECOG_FIS = (1 << 25), /* Unrecognized FIS */
5269be1e979STejun Heo SERR_DEV_XCHG = (1 << 26), /* device exchanged */
5271da177e4SLinus Torvalds };
5281da177e4SLinus Torvalds
52937f92d77SChristoph Hellwig enum ata_prot_flags {
53037f92d77SChristoph Hellwig /* protocol flags */
53137f92d77SChristoph Hellwig ATA_PROT_FLAG_PIO = (1 << 0), /* is PIO */
53237f92d77SChristoph Hellwig ATA_PROT_FLAG_DMA = (1 << 1), /* is DMA */
53337f92d77SChristoph Hellwig ATA_PROT_FLAG_NCQ = (1 << 2), /* is NCQ */
53437f92d77SChristoph Hellwig ATA_PROT_FLAG_ATAPI = (1 << 3), /* is ATAPI */
53537f92d77SChristoph Hellwig
53637f92d77SChristoph Hellwig /* taskfile protocols */
53737f92d77SChristoph Hellwig ATA_PROT_UNKNOWN = (u8)-1,
53837f92d77SChristoph Hellwig ATA_PROT_NODATA = 0,
53937f92d77SChristoph Hellwig ATA_PROT_PIO = ATA_PROT_FLAG_PIO,
54037f92d77SChristoph Hellwig ATA_PROT_DMA = ATA_PROT_FLAG_DMA,
54137f92d77SChristoph Hellwig ATA_PROT_NCQ_NODATA = ATA_PROT_FLAG_NCQ,
54237f92d77SChristoph Hellwig ATA_PROT_NCQ = ATA_PROT_FLAG_DMA | ATA_PROT_FLAG_NCQ,
54337f92d77SChristoph Hellwig ATAPI_PROT_NODATA = ATA_PROT_FLAG_ATAPI,
54437f92d77SChristoph Hellwig ATAPI_PROT_PIO = ATA_PROT_FLAG_ATAPI | ATA_PROT_FLAG_PIO,
54537f92d77SChristoph Hellwig ATAPI_PROT_DMA = ATA_PROT_FLAG_ATAPI | ATA_PROT_FLAG_DMA,
5461da177e4SLinus Torvalds };
5471da177e4SLinus Torvalds
5481da177e4SLinus Torvalds enum ata_ioctls {
549287e6611SArnd Bergmann ATA_IOC_GET_IO32 = 0x309, /* HDIO_GET_32BIT */
550287e6611SArnd Bergmann ATA_IOC_SET_IO32 = 0x324, /* HDIO_SET_32BIT */
5511da177e4SLinus Torvalds };
5521da177e4SLinus Torvalds
5531da177e4SLinus Torvalds /* core structures */
5541da177e4SLinus Torvalds
555f60d7011STejun Heo struct ata_bmdma_prd {
5564ca4e439SAl Viro __le32 addr;
5574ca4e439SAl Viro __le32 flags_len;
5581da177e4SLinus Torvalds };
5591da177e4SLinus Torvalds
560405e66b3STejun Heo /*
561405e66b3STejun Heo * id tests
562405e66b3STejun Heo */
56337014c64SBartlomiej Zolnierkiewicz #define ata_id_is_ata(id) (((id)[ATA_ID_CONFIG] & (1 << 15)) == 0)
56437014c64SBartlomiej Zolnierkiewicz #define ata_id_has_lba(id) ((id)[ATA_ID_CAPABILITY] & (1 << 9))
56537014c64SBartlomiej Zolnierkiewicz #define ata_id_has_dma(id) ((id)[ATA_ID_CAPABILITY] & (1 << 8))
566583661a8SShane Huang #define ata_id_has_ncq(id) ((id)[ATA_ID_SATA_CAPABILITY] & (1 << 8))
56737014c64SBartlomiej Zolnierkiewicz #define ata_id_queue_depth(id) (((id)[ATA_ID_QUEUE_DEPTH] & 0x1f) + 1)
5680628ee7cSNicholas Krause #define ata_id_removable(id) ((id)[ATA_ID_CONFIG] & (1 << 7))
569854c73a2STejun Heo #define ata_id_has_atapi_AN(id) \
570583661a8SShane Huang ((((id)[ATA_ID_SATA_CAPABILITY] != 0x0000) && \
571583661a8SShane Huang ((id)[ATA_ID_SATA_CAPABILITY] != 0xffff)) && \
572583661a8SShane Huang ((id)[ATA_ID_FEATURE_SUPP] & (1 << 5)))
573388539f3SShaohua Li #define ata_id_has_fpdma_aa(id) \
574583661a8SShane Huang ((((id)[ATA_ID_SATA_CAPABILITY] != 0x0000) && \
575583661a8SShane Huang ((id)[ATA_ID_SATA_CAPABILITY] != 0xffff)) && \
576583661a8SShane Huang ((id)[ATA_ID_FEATURE_SUPP] & (1 << 2)))
5779c6e09a4SNiklas Cassel #define ata_id_has_devslp(id) \
5789c6e09a4SNiklas Cassel ((((id)[ATA_ID_SATA_CAPABILITY] != 0x0000) && \
5799c6e09a4SNiklas Cassel ((id)[ATA_ID_SATA_CAPABILITY] != 0xffff)) && \
5809c6e09a4SNiklas Cassel ((id)[ATA_ID_FEATURE_SUPP] & (1 << 8)))
581a5fb6bf8SNiklas Cassel #define ata_id_has_ncq_autosense(id) \
582a5fb6bf8SNiklas Cassel ((((id)[ATA_ID_SATA_CAPABILITY] != 0x0000) && \
583a5fb6bf8SNiklas Cassel ((id)[ATA_ID_SATA_CAPABILITY] != 0xffff)) && \
584a5fb6bf8SNiklas Cassel ((id)[ATA_ID_FEATURE_SUPP] & (1 << 7)))
585630624cbSNiklas Cassel #define ata_id_has_dipm(id) \
586630624cbSNiklas Cassel ((((id)[ATA_ID_SATA_CAPABILITY] != 0x0000) && \
587630624cbSNiklas Cassel ((id)[ATA_ID_SATA_CAPABILITY] != 0xffff)) && \
588630624cbSNiklas Cassel ((id)[ATA_ID_FEATURE_SUPP] & (1 << 3)))
58937014c64SBartlomiej Zolnierkiewicz #define ata_id_iordy_disable(id) ((id)[ATA_ID_CAPABILITY] & (1 << 10))
59037014c64SBartlomiej Zolnierkiewicz #define ata_id_has_iordy(id) ((id)[ATA_ID_CAPABILITY] & (1 << 11))
5911da177e4SLinus Torvalds #define ata_id_u32(id,n) \
5921da177e4SLinus Torvalds (((u32) (id)[(n) + 1] << 16) | ((u32) (id)[(n)]))
5931da177e4SLinus Torvalds #define ata_id_u64(id,n) \
5941da177e4SLinus Torvalds ( ((u64) (id)[(n) + 3] << 48) | \
5951da177e4SLinus Torvalds ((u64) (id)[(n) + 2] << 32) | \
5961da177e4SLinus Torvalds ((u64) (id)[(n) + 1] << 16) | \
5971da177e4SLinus Torvalds ((u64) (id)[(n) + 0]) )
5981da177e4SLinus Torvalds
59937014c64SBartlomiej Zolnierkiewicz #define ata_id_cdb_intr(id) (((id)[ATA_ID_CONFIG] & 0x60) == 0x20)
600583661a8SShane Huang #define ata_id_has_da(id) ((id)[ATA_ID_SATA_CAPABILITY_2] & (1 << 4))
601312f7da2SAlbert Lee
ata_id_has_hipm(const u16 * id)602ca77329fSKristen Carlson Accardi static inline bool ata_id_has_hipm(const u16 *id)
603ca77329fSKristen Carlson Accardi {
604583661a8SShane Huang u16 val = id[ATA_ID_SATA_CAPABILITY];
605ca77329fSKristen Carlson Accardi
606ca77329fSKristen Carlson Accardi if (val == 0 || val == 0xffff)
607ca77329fSKristen Carlson Accardi return false;
608ca77329fSKristen Carlson Accardi
609ca77329fSKristen Carlson Accardi return val & (1 << 9);
610ca77329fSKristen Carlson Accardi }
611ca77329fSKristen Carlson Accardi
ata_id_has_fua(const u16 * id)6124dce8ba9SHannes Reinecke static inline bool ata_id_has_fua(const u16 *id)
613c7293870SAlan Cox {
61437014c64SBartlomiej Zolnierkiewicz if ((id[ATA_ID_CFSSE] & 0xC000) != 0x4000)
6154dce8ba9SHannes Reinecke return false;
61637014c64SBartlomiej Zolnierkiewicz return id[ATA_ID_CFSSE] & (1 << 6);
617c7293870SAlan Cox }
618c7293870SAlan Cox
ata_id_has_flush(const u16 * id)6194dce8ba9SHannes Reinecke static inline bool ata_id_has_flush(const u16 *id)
620c7293870SAlan Cox {
62137014c64SBartlomiej Zolnierkiewicz if ((id[ATA_ID_COMMAND_SET_2] & 0xC000) != 0x4000)
6224dce8ba9SHannes Reinecke return false;
62337014c64SBartlomiej Zolnierkiewicz return id[ATA_ID_COMMAND_SET_2] & (1 << 12);
624c7293870SAlan Cox }
625c7293870SAlan Cox
ata_id_has_flush_ext(const u16 * id)6264dce8ba9SHannes Reinecke static inline bool ata_id_has_flush_ext(const u16 *id)
627c7293870SAlan Cox {
62837014c64SBartlomiej Zolnierkiewicz if ((id[ATA_ID_COMMAND_SET_2] & 0xC000) != 0x4000)
6294dce8ba9SHannes Reinecke return false;
63037014c64SBartlomiej Zolnierkiewicz return id[ATA_ID_COMMAND_SET_2] & (1 << 13);
631c7293870SAlan Cox }
632c7293870SAlan Cox
ata_id_logical_sector_size(const u16 * id)633295124dcSGrant Grundler static inline u32 ata_id_logical_sector_size(const u16 *id)
63418f0f978SChristoph Hellwig {
635295124dcSGrant Grundler /* T13/1699-D Revision 6a, Sep 6, 2008. Page 128.
636295124dcSGrant Grundler * IDENTIFY DEVICE data, word 117-118.
637295124dcSGrant Grundler * 0xd000 ignores bit 13 (logical:physical > 1)
638295124dcSGrant Grundler */
639295124dcSGrant Grundler if ((id[ATA_ID_SECTOR_SIZE] & 0xd000) == 0x5000)
640295124dcSGrant Grundler return (((id[ATA_ID_LOGICAL_SECTOR_SIZE+1] << 16)
641295124dcSGrant Grundler + id[ATA_ID_LOGICAL_SECTOR_SIZE]) * sizeof(u16)) ;
642295124dcSGrant Grundler return ATA_SECT_SIZE;
64318f0f978SChristoph Hellwig }
64418f0f978SChristoph Hellwig
ata_id_log2_per_physical_sector(const u16 * id)645295124dcSGrant Grundler static inline u8 ata_id_log2_per_physical_sector(const u16 *id)
64618f0f978SChristoph Hellwig {
647295124dcSGrant Grundler /* T13/1699-D Revision 6a, Sep 6, 2008. Page 128.
648295124dcSGrant Grundler * IDENTIFY DEVICE data, word 106.
649295124dcSGrant Grundler * 0xe000 ignores bit 12 (logical sector > 512 bytes)
650295124dcSGrant Grundler */
651295124dcSGrant Grundler if ((id[ATA_ID_SECTOR_SIZE] & 0xe000) == 0x6000)
652295124dcSGrant Grundler return (id[ATA_ID_SECTOR_SIZE] & 0xf);
653295124dcSGrant Grundler return 0;
654295124dcSGrant Grundler }
655295124dcSGrant Grundler
656295124dcSGrant Grundler /* Offset of logical sectors relative to physical sectors.
657295124dcSGrant Grundler *
658295124dcSGrant Grundler * If device has more than one logical sector per physical sector
659295124dcSGrant Grundler * (aka 512 byte emulation), vendors might offset the "sector 0" address
660295124dcSGrant Grundler * so sector 63 is "naturally aligned" - e.g. FAT partition table.
661295124dcSGrant Grundler * This avoids Read/Mod/Write penalties when using FAT partition table
662295124dcSGrant Grundler * and updating "well aligned" (FS perspective) physical sectors on every
663295124dcSGrant Grundler * transaction.
664295124dcSGrant Grundler */
ata_id_logical_sector_offset(const u16 * id,u8 log2_per_phys)665295124dcSGrant Grundler static inline u16 ata_id_logical_sector_offset(const u16 *id,
666295124dcSGrant Grundler u8 log2_per_phys)
667295124dcSGrant Grundler {
668295124dcSGrant Grundler u16 word_209 = id[209];
669295124dcSGrant Grundler
670295124dcSGrant Grundler if ((log2_per_phys > 1) && (word_209 & 0xc000) == 0x4000) {
671295124dcSGrant Grundler u16 first = word_209 & 0x3fff;
672295124dcSGrant Grundler if (first > 0)
673295124dcSGrant Grundler return (1 << log2_per_phys) - first;
674295124dcSGrant Grundler }
675295124dcSGrant Grundler return 0;
67618f0f978SChristoph Hellwig }
67718f0f978SChristoph Hellwig
ata_id_has_lba48(const u16 * id)6784dce8ba9SHannes Reinecke static inline bool ata_id_has_lba48(const u16 *id)
679c7293870SAlan Cox {
68037014c64SBartlomiej Zolnierkiewicz if ((id[ATA_ID_COMMAND_SET_2] & 0xC000) != 0x4000)
6814dce8ba9SHannes Reinecke return false;
68237014c64SBartlomiej Zolnierkiewicz if (!ata_id_u64(id, ATA_ID_LBA_CAPACITY_2))
6834dce8ba9SHannes Reinecke return false;
68437014c64SBartlomiej Zolnierkiewicz return id[ATA_ID_COMMAND_SET_2] & (1 << 10);
685c7293870SAlan Cox }
686c7293870SAlan Cox
ata_id_hpa_enabled(const u16 * id)6874dce8ba9SHannes Reinecke static inline bool ata_id_hpa_enabled(const u16 *id)
688c7293870SAlan Cox {
689c7293870SAlan Cox /* Yes children, word 83 valid bits cover word 82 data */
69037014c64SBartlomiej Zolnierkiewicz if ((id[ATA_ID_COMMAND_SET_2] & 0xC000) != 0x4000)
6914dce8ba9SHannes Reinecke return false;
692c7293870SAlan Cox /* And 87 covers 85-87 */
69337014c64SBartlomiej Zolnierkiewicz if ((id[ATA_ID_CSF_DEFAULT] & 0xC000) != 0x4000)
6944dce8ba9SHannes Reinecke return false;
695c7293870SAlan Cox /* Check command sets enabled as well as supported */
69637014c64SBartlomiej Zolnierkiewicz if ((id[ATA_ID_CFS_ENABLE_1] & (1 << 10)) == 0)
6974dce8ba9SHannes Reinecke return false;
69837014c64SBartlomiej Zolnierkiewicz return id[ATA_ID_COMMAND_SET_1] & (1 << 10);
699c7293870SAlan Cox }
700c7293870SAlan Cox
ata_id_has_wcache(const u16 * id)7014dce8ba9SHannes Reinecke static inline bool ata_id_has_wcache(const u16 *id)
702c7293870SAlan Cox {
703c7293870SAlan Cox /* Yes children, word 83 valid bits cover word 82 data */
70437014c64SBartlomiej Zolnierkiewicz if ((id[ATA_ID_COMMAND_SET_2] & 0xC000) != 0x4000)
7054dce8ba9SHannes Reinecke return false;
70637014c64SBartlomiej Zolnierkiewicz return id[ATA_ID_COMMAND_SET_1] & (1 << 5);
707c7293870SAlan Cox }
708c7293870SAlan Cox
ata_id_has_pm(const u16 * id)7094dce8ba9SHannes Reinecke static inline bool ata_id_has_pm(const u16 *id)
710c7293870SAlan Cox {
71137014c64SBartlomiej Zolnierkiewicz if ((id[ATA_ID_COMMAND_SET_2] & 0xC000) != 0x4000)
7124dce8ba9SHannes Reinecke return false;
71337014c64SBartlomiej Zolnierkiewicz return id[ATA_ID_COMMAND_SET_1] & (1 << 3);
714c7293870SAlan Cox }
715c7293870SAlan Cox
ata_id_rahead_enabled(const u16 * id)7164dce8ba9SHannes Reinecke static inline bool ata_id_rahead_enabled(const u16 *id)
717c7293870SAlan Cox {
71837014c64SBartlomiej Zolnierkiewicz if ((id[ATA_ID_CSF_DEFAULT] & 0xC000) != 0x4000)
7194dce8ba9SHannes Reinecke return false;
72037014c64SBartlomiej Zolnierkiewicz return id[ATA_ID_CFS_ENABLE_1] & (1 << 6);
721c7293870SAlan Cox }
722c7293870SAlan Cox
ata_id_wcache_enabled(const u16 * id)7234dce8ba9SHannes Reinecke static inline bool ata_id_wcache_enabled(const u16 *id)
724c7293870SAlan Cox {
72537014c64SBartlomiej Zolnierkiewicz if ((id[ATA_ID_CSF_DEFAULT] & 0xC000) != 0x4000)
7264dce8ba9SHannes Reinecke return false;
72737014c64SBartlomiej Zolnierkiewicz return id[ATA_ID_CFS_ENABLE_1] & (1 << 5);
728c7293870SAlan Cox }
729c7293870SAlan Cox
ata_id_has_read_log_dma_ext(const u16 * id)7309faa6438SHannes Reinecke static inline bool ata_id_has_read_log_dma_ext(const u16 *id)
7319faa6438SHannes Reinecke {
732406c057cSMartin K. Petersen /* Word 86 must have bit 15 set */
7339faa6438SHannes Reinecke if (!(id[ATA_ID_CFS_ENABLE_2] & (1 << 15)))
7349faa6438SHannes Reinecke return false;
735406c057cSMartin K. Petersen
736406c057cSMartin K. Petersen /* READ LOG DMA EXT support can be signaled either from word 119
737406c057cSMartin K. Petersen * or from word 120. The format is the same for both words: Bit
738406c057cSMartin K. Petersen * 15 must be cleared, bit 14 set and bit 3 set.
739406c057cSMartin K. Petersen */
740406c057cSMartin K. Petersen if ((id[ATA_ID_COMMAND_SET_3] & 0xC008) == 0x4008 ||
741406c057cSMartin K. Petersen (id[ATA_ID_COMMAND_SET_4] & 0xC008) == 0x4008)
742406c057cSMartin K. Petersen return true;
743406c057cSMartin K. Petersen
744406c057cSMartin K. Petersen return false;
7459faa6438SHannes Reinecke }
7469faa6438SHannes Reinecke
ata_id_has_sense_reporting(const u16 * id)747e87fd28cSHannes Reinecke static inline bool ata_id_has_sense_reporting(const u16 *id)
748e87fd28cSHannes Reinecke {
749690aa8c3SNiklas Cassel if (!(id[ATA_ID_CFS_ENABLE_2] & BIT(15)))
750e87fd28cSHannes Reinecke return false;
751690aa8c3SNiklas Cassel if ((id[ATA_ID_COMMAND_SET_3] & (BIT(15) | BIT(14))) != BIT(14))
752690aa8c3SNiklas Cassel return false;
753690aa8c3SNiklas Cassel return id[ATA_ID_COMMAND_SET_3] & BIT(6);
754e87fd28cSHannes Reinecke }
755e87fd28cSHannes Reinecke
ata_id_sense_reporting_enabled(const u16 * id)756e87fd28cSHannes Reinecke static inline bool ata_id_sense_reporting_enabled(const u16 *id)
757e87fd28cSHannes Reinecke {
758690aa8c3SNiklas Cassel if (!ata_id_has_sense_reporting(id))
759e87fd28cSHannes Reinecke return false;
760690aa8c3SNiklas Cassel /* ata_id_has_sense_reporting() == true, word 86 must have bit 15 set */
761690aa8c3SNiklas Cassel if ((id[ATA_ID_COMMAND_SET_4] & (BIT(15) | BIT(14))) != BIT(14))
762690aa8c3SNiklas Cassel return false;
763690aa8c3SNiklas Cassel return id[ATA_ID_COMMAND_SET_4] & BIT(6);
764e87fd28cSHannes Reinecke }
765e87fd28cSHannes Reinecke
766c7293870SAlan Cox /**
7677b203094SShaun Tancheff *
7687b203094SShaun Tancheff * Word: 206 - SCT Command Transport
7697b203094SShaun Tancheff * 15:12 - Vendor Specific
7707b203094SShaun Tancheff * 11:6 - Reserved
7717b203094SShaun Tancheff * 5 - SCT Command Transport Data Tables supported
7727b203094SShaun Tancheff * 4 - SCT Command Transport Features Control supported
7737b203094SShaun Tancheff * 3 - SCT Command Transport Error Recovery Control supported
7747b203094SShaun Tancheff * 2 - SCT Command Transport Write Same supported
7757b203094SShaun Tancheff * 1 - SCT Command Transport Long Sector Access supported
7767b203094SShaun Tancheff * 0 - SCT Command Transport supported
7777b203094SShaun Tancheff */
ata_id_sct_data_tables(const u16 * id)7787b203094SShaun Tancheff static inline bool ata_id_sct_data_tables(const u16 *id)
7797b203094SShaun Tancheff {
7807b203094SShaun Tancheff return id[ATA_ID_SCT_CMD_XPORT] & (1 << 5) ? true : false;
7817b203094SShaun Tancheff }
7827b203094SShaun Tancheff
ata_id_sct_features_ctrl(const u16 * id)7837b203094SShaun Tancheff static inline bool ata_id_sct_features_ctrl(const u16 *id)
7847b203094SShaun Tancheff {
7857b203094SShaun Tancheff return id[ATA_ID_SCT_CMD_XPORT] & (1 << 4) ? true : false;
7867b203094SShaun Tancheff }
7877b203094SShaun Tancheff
ata_id_sct_error_recovery_ctrl(const u16 * id)7887b203094SShaun Tancheff static inline bool ata_id_sct_error_recovery_ctrl(const u16 *id)
7897b203094SShaun Tancheff {
7907b203094SShaun Tancheff return id[ATA_ID_SCT_CMD_XPORT] & (1 << 3) ? true : false;
7917b203094SShaun Tancheff }
7927b203094SShaun Tancheff
ata_id_sct_long_sector_access(const u16 * id)7937b203094SShaun Tancheff static inline bool ata_id_sct_long_sector_access(const u16 *id)
7947b203094SShaun Tancheff {
7957b203094SShaun Tancheff return id[ATA_ID_SCT_CMD_XPORT] & (1 << 1) ? true : false;
7967b203094SShaun Tancheff }
7977b203094SShaun Tancheff
ata_id_sct_supported(const u16 * id)7987b203094SShaun Tancheff static inline bool ata_id_sct_supported(const u16 *id)
7997b203094SShaun Tancheff {
8007b203094SShaun Tancheff return id[ATA_ID_SCT_CMD_XPORT] & (1 << 0) ? true : false;
8017b203094SShaun Tancheff }
8027b203094SShaun Tancheff
8037b203094SShaun Tancheff /**
804c7293870SAlan Cox * ata_id_major_version - get ATA level of drive
805c7293870SAlan Cox * @id: Identify data
806c7293870SAlan Cox *
807c7293870SAlan Cox * Caveats:
808c7293870SAlan Cox * ATA-1 considers identify optional
809c7293870SAlan Cox * ATA-2 introduces mandatory identify
810c7293870SAlan Cox * ATA-3 introduces word 80 and accurate reporting
811c7293870SAlan Cox *
812c7293870SAlan Cox * The practical impact of this is that ata_id_major_version cannot
813c7293870SAlan Cox * reliably report on drives below ATA3.
814c7293870SAlan Cox */
815c7293870SAlan Cox
ata_id_major_version(const u16 * id)8163d2ca910STejun Heo static inline unsigned int ata_id_major_version(const u16 *id)
8173d2ca910STejun Heo {
8183d2ca910STejun Heo unsigned int mver;
8193d2ca910STejun Heo
820b352e57dSAlan Cox if (id[ATA_ID_MAJOR_VER] == 0xFFFF)
821b352e57dSAlan Cox return 0;
822b352e57dSAlan Cox
8233d2ca910STejun Heo for (mver = 14; mver >= 1; mver--)
8243d2ca910STejun Heo if (id[ATA_ID_MAJOR_VER] & (1 << mver))
8253d2ca910STejun Heo break;
8263d2ca910STejun Heo return mver;
8273d2ca910STejun Heo }
8283d2ca910STejun Heo
ata_id_is_sata(const u16 * id)8294dce8ba9SHannes Reinecke static inline bool ata_id_is_sata(const u16 *id)
83032d90911STejun Heo {
831367d7e78SBartlomiej Zolnierkiewicz /*
832367d7e78SBartlomiej Zolnierkiewicz * See if word 93 is 0 AND drive is at least ATA-5 compatible
833367d7e78SBartlomiej Zolnierkiewicz * verifying that word 80 by casting it to a signed type --
834367d7e78SBartlomiej Zolnierkiewicz * this trick allows us to filter out the reserved values of
835367d7e78SBartlomiej Zolnierkiewicz * 0x0000 and 0xffff along with the earlier ATA revisions...
836367d7e78SBartlomiej Zolnierkiewicz */
837367d7e78SBartlomiej Zolnierkiewicz if (id[ATA_ID_HW_CONFIG] == 0 && (short)id[ATA_ID_MAJOR_VER] >= 0x0020)
8384dce8ba9SHannes Reinecke return true;
8394dce8ba9SHannes Reinecke return false;
84032d90911STejun Heo }
84132d90911STejun Heo
ata_id_has_tpm(const u16 * id)8424dce8ba9SHannes Reinecke static inline bool ata_id_has_tpm(const u16 *id)
843ae8d4ee7SAlan Cox {
844ae8d4ee7SAlan Cox /* The TPM bits are only valid on ATA8 */
845ae8d4ee7SAlan Cox if (ata_id_major_version(id) < 8)
8464dce8ba9SHannes Reinecke return false;
847ae8d4ee7SAlan Cox if ((id[48] & 0xC000) != 0x4000)
8484dce8ba9SHannes Reinecke return false;
849ae8d4ee7SAlan Cox return id[48] & (1 << 0);
850ae8d4ee7SAlan Cox }
851ae8d4ee7SAlan Cox
ata_id_has_dword_io(const u16 * id)8524dce8ba9SHannes Reinecke static inline bool ata_id_has_dword_io(const u16 *id)
853ae8d4ee7SAlan Cox {
854ae8d4ee7SAlan Cox /* ATA 8 reuses this flag for "trusted" computing */
855ae8d4ee7SAlan Cox if (ata_id_major_version(id) > 7)
8564dce8ba9SHannes Reinecke return false;
8574dce8ba9SHannes Reinecke return id[ATA_ID_DWORD_IO] & (1 << 0);
858ae8d4ee7SAlan Cox }
859ae8d4ee7SAlan Cox
ata_id_has_trusted(const u16 * id)860e8f11db9SChristoph Hellwig static inline bool ata_id_has_trusted(const u16 *id)
861e8f11db9SChristoph Hellwig {
862e8f11db9SChristoph Hellwig if (ata_id_major_version(id) <= 7)
863e8f11db9SChristoph Hellwig return false;
864e8f11db9SChristoph Hellwig return id[ATA_ID_TRUSTED] & (1 << 0);
865e8f11db9SChristoph Hellwig }
866e8f11db9SChristoph Hellwig
ata_id_has_unload(const u16 * id)8674dce8ba9SHannes Reinecke static inline bool ata_id_has_unload(const u16 *id)
868ea6ce53cSElias Oltmanns {
869ea6ce53cSElias Oltmanns if (ata_id_major_version(id) >= 7 &&
870ea6ce53cSElias Oltmanns (id[ATA_ID_CFSSE] & 0xC000) == 0x4000 &&
871ea6ce53cSElias Oltmanns id[ATA_ID_CFSSE] & (1 << 13))
8724dce8ba9SHannes Reinecke return true;
8734dce8ba9SHannes Reinecke return false;
874ea6ce53cSElias Oltmanns }
875ea6ce53cSElias Oltmanns
ata_id_has_wwn(const u16 * id)8766b3b9d73SHannes Reinecke static inline bool ata_id_has_wwn(const u16 *id)
8776b3b9d73SHannes Reinecke {
8786b3b9d73SHannes Reinecke return (id[ATA_ID_CSF_DEFAULT] & 0xC100) == 0x4100;
8796b3b9d73SHannes Reinecke }
8806b3b9d73SHannes Reinecke
ata_id_form_factor(const u16 * id)8814bca3286SMartin K. Petersen static inline int ata_id_form_factor(const u16 *id)
8824bca3286SMartin K. Petersen {
8834bca3286SMartin K. Petersen u16 val = id[168];
8844bca3286SMartin K. Petersen
8854bca3286SMartin K. Petersen if (ata_id_major_version(id) < 7 || val == 0 || val == 0xffff)
8864bca3286SMartin K. Petersen return 0;
8874bca3286SMartin K. Petersen
8884bca3286SMartin K. Petersen val &= 0xf;
8894bca3286SMartin K. Petersen
8904bca3286SMartin K. Petersen if (val > 5)
8914bca3286SMartin K. Petersen return 0;
8924bca3286SMartin K. Petersen
8934bca3286SMartin K. Petersen return val;
8944bca3286SMartin K. Petersen }
8954bca3286SMartin K. Petersen
ata_id_rotation_rate(const u16 * id)8964bca3286SMartin K. Petersen static inline int ata_id_rotation_rate(const u16 *id)
8974bca3286SMartin K. Petersen {
8984bca3286SMartin K. Petersen u16 val = id[217];
8994bca3286SMartin K. Petersen
9004bca3286SMartin K. Petersen if (ata_id_major_version(id) < 7 || val == 0 || val == 0xffff)
9014bca3286SMartin K. Petersen return 0;
9024bca3286SMartin K. Petersen
9034bca3286SMartin K. Petersen if (val > 1 && val < 0x401)
9044bca3286SMartin K. Petersen return 0;
9054bca3286SMartin K. Petersen
9064bca3286SMartin K. Petersen return val;
9074bca3286SMartin K. Petersen }
9084bca3286SMartin K. Petersen
ata_id_has_ncq_send_and_recv(const u16 * id)909ed36911cSMarc Carino static inline bool ata_id_has_ncq_send_and_recv(const u16 *id)
910ed36911cSMarc Carino {
911ed36911cSMarc Carino return id[ATA_ID_SATA_CAPABILITY_2] & BIT(6);
912ed36911cSMarc Carino }
913ed36911cSMarc Carino
ata_id_has_ncq_non_data(const u16 * id)914284b3b77SHannes Reinecke static inline bool ata_id_has_ncq_non_data(const u16 *id)
915284b3b77SHannes Reinecke {
916284b3b77SHannes Reinecke return id[ATA_ID_SATA_CAPABILITY_2] & BIT(5);
917284b3b77SHannes Reinecke }
918284b3b77SHannes Reinecke
ata_id_has_ncq_prio(const u16 * id)9198e061784SAdam Manzanares static inline bool ata_id_has_ncq_prio(const u16 *id)
9208e061784SAdam Manzanares {
9218e061784SAdam Manzanares return id[ATA_ID_SATA_CAPABILITY] & BIT(12);
9228e061784SAdam Manzanares }
9238e061784SAdam Manzanares
ata_id_has_trim(const u16 * id)9244dce8ba9SHannes Reinecke static inline bool ata_id_has_trim(const u16 *id)
9250c659b82SMatthew Wilcox {
9260c659b82SMatthew Wilcox if (ata_id_major_version(id) >= 7 &&
9270c659b82SMatthew Wilcox (id[ATA_ID_DATA_SET_MGMT] & 1))
9284dce8ba9SHannes Reinecke return true;
9294dce8ba9SHannes Reinecke return false;
9300c659b82SMatthew Wilcox }
9310c659b82SMatthew Wilcox
ata_id_has_zero_after_trim(const u16 * id)9324dce8ba9SHannes Reinecke static inline bool ata_id_has_zero_after_trim(const u16 *id)
933e78db4dfSMartin K. Petersen {
934e78db4dfSMartin K. Petersen /* DSM supported, deterministic read, and read zero after trim set */
935e78db4dfSMartin K. Petersen if (ata_id_has_trim(id) &&
936e78db4dfSMartin K. Petersen (id[ATA_ID_ADDITIONAL_SUPP] & 0x4020) == 0x4020)
9374dce8ba9SHannes Reinecke return true;
938e78db4dfSMartin K. Petersen
9394dce8ba9SHannes Reinecke return false;
940e78db4dfSMartin K. Petersen }
941e78db4dfSMartin K. Petersen
ata_id_current_chs_valid(const u16 * id)9424dce8ba9SHannes Reinecke static inline bool ata_id_current_chs_valid(const u16 *id)
9438bf62eceSAlbert Lee {
9448bf62eceSAlbert Lee /* For ATA-1 devices, if the INITIALIZE DEVICE PARAMETERS command
9458bf62eceSAlbert Lee has not been issued to the device then the values of
94637014c64SBartlomiej Zolnierkiewicz id[ATA_ID_CUR_CYLS] to id[ATA_ID_CUR_SECTORS] are vendor specific. */
94737014c64SBartlomiej Zolnierkiewicz return (id[ATA_ID_FIELD_VALID] & 1) && /* Current translation valid */
94837014c64SBartlomiej Zolnierkiewicz id[ATA_ID_CUR_CYLS] && /* cylinders in current translation */
94937014c64SBartlomiej Zolnierkiewicz id[ATA_ID_CUR_HEADS] && /* heads in current translation */
95037014c64SBartlomiej Zolnierkiewicz id[ATA_ID_CUR_HEADS] <= 16 &&
95137014c64SBartlomiej Zolnierkiewicz id[ATA_ID_CUR_SECTORS]; /* sectors in current translation */
9528bf62eceSAlbert Lee }
9538bf62eceSAlbert Lee
ata_id_is_cfa(const u16 * id)9544dce8ba9SHannes Reinecke static inline bool ata_id_is_cfa(const u16 *id)
955b352e57dSAlan Cox {
9564b7d1c05SBen Gardner if ((id[ATA_ID_CONFIG] == 0x848A) || /* Traditional CF */
9574b7d1c05SBen Gardner (id[ATA_ID_CONFIG] == 0x844A)) /* Delkin Devices CF */
9584dce8ba9SHannes Reinecke return true;
9592999b58bSSergei Shtylyov /*
9602999b58bSSergei Shtylyov * CF specs don't require specific value in the word 0 anymore and yet
9612999b58bSSergei Shtylyov * they forbid to report the ATA version in the word 80 and require the
9622999b58bSSergei Shtylyov * CFA feature set support to be indicated in the word 83 in this case.
9632999b58bSSergei Shtylyov * Unfortunately, some cards only follow either of this requirements,
9642999b58bSSergei Shtylyov * and while those that don't indicate CFA feature support need some
9652999b58bSSergei Shtylyov * sort of quirk list, it seems impractical for the ones that do...
9662999b58bSSergei Shtylyov */
9674dce8ba9SHannes Reinecke return (id[ATA_ID_COMMAND_SET_2] & 0xC004) == 0x4004;
968b352e57dSAlan Cox }
969b352e57dSAlan Cox
ata_id_is_ssd(const u16 * id)9704dce8ba9SHannes Reinecke static inline bool ata_id_is_ssd(const u16 *id)
9718bff7c6bSJens Axboe {
9728bff7c6bSJens Axboe return id[ATA_ID_ROT_SPEED] == 0x01;
9738bff7c6bSJens Axboe }
9748bff7c6bSJens Axboe
ata_id_zoned_cap(const u16 * id)975856c4663SHannes Reinecke static inline u8 ata_id_zoned_cap(const u16 *id)
976856c4663SHannes Reinecke {
977856c4663SHannes Reinecke return (id[ATA_ID_ADDITIONAL_SUPP] & 0x3);
978856c4663SHannes Reinecke }
979856c4663SHannes Reinecke
ata_id_pio_need_iordy(const u16 * id,const u8 pio)9804dce8ba9SHannes Reinecke static inline bool ata_id_pio_need_iordy(const u16 *id, const u8 pio)
9816dae44f9SBartlomiej Zolnierkiewicz {
9826dae44f9SBartlomiej Zolnierkiewicz /* CF spec. r4.1 Table 22 says no IORDY on PIO5 and PIO6. */
9836dae44f9SBartlomiej Zolnierkiewicz if (pio > 4 && ata_id_is_cfa(id))
9844dce8ba9SHannes Reinecke return false;
9856dae44f9SBartlomiej Zolnierkiewicz /* For PIO3 and higher it is mandatory. */
9866dae44f9SBartlomiej Zolnierkiewicz if (pio > 2)
9874dce8ba9SHannes Reinecke return true;
9886dae44f9SBartlomiej Zolnierkiewicz /* Turn it on when possible. */
9894dce8ba9SHannes Reinecke return ata_id_has_iordy(id);
9906dae44f9SBartlomiej Zolnierkiewicz }
9916dae44f9SBartlomiej Zolnierkiewicz
ata_drive_40wire(const u16 * dev_id)9924dce8ba9SHannes Reinecke static inline bool ata_drive_40wire(const u16 *dev_id)
993fc085150SAlan Cox {
99432d90911STejun Heo if (ata_id_is_sata(dev_id))
9954dce8ba9SHannes Reinecke return false; /* SATA */
99637014c64SBartlomiej Zolnierkiewicz if ((dev_id[ATA_ID_HW_CONFIG] & 0xE000) == 0x6000)
9974dce8ba9SHannes Reinecke return false; /* 80 wire */
9984dce8ba9SHannes Reinecke return true;
999fc085150SAlan Cox }
1000fc085150SAlan Cox
ata_drive_40wire_relaxed(const u16 * dev_id)10014dce8ba9SHannes Reinecke static inline bool ata_drive_40wire_relaxed(const u16 *dev_id)
10026bbfd53dSAlan Cox {
100337014c64SBartlomiej Zolnierkiewicz if ((dev_id[ATA_ID_HW_CONFIG] & 0x2000) == 0x2000)
10044dce8ba9SHannes Reinecke return false; /* 80 wire */
10054dce8ba9SHannes Reinecke return true;
10066bbfd53dSAlan Cox }
10076bbfd53dSAlan Cox
atapi_cdb_len(const u16 * dev_id)1008057ace5eSJeff Garzik static inline int atapi_cdb_len(const u16 *dev_id)
10091da177e4SLinus Torvalds {
101037014c64SBartlomiej Zolnierkiewicz u16 tmp = dev_id[ATA_ID_CONFIG] & 0x3;
10111da177e4SLinus Torvalds switch (tmp) {
10121da177e4SLinus Torvalds case 0: return 12;
10131da177e4SLinus Torvalds case 1: return 16;
10141da177e4SLinus Torvalds default: return -1;
10151da177e4SLinus Torvalds }
10161da177e4SLinus Torvalds }
10171da177e4SLinus Torvalds
atapi_command_packet_set(const u16 * dev_id)1018d8668fcbSShan Hai static inline int atapi_command_packet_set(const u16 *dev_id)
1019f8d8e579STony Battersby {
102037014c64SBartlomiej Zolnierkiewicz return (dev_id[ATA_ID_CONFIG] >> 8) & 0x1f;
1021f8d8e579STony Battersby }
1022f8d8e579STony Battersby
atapi_id_dmadir(const u16 * dev_id)10234dce8ba9SHannes Reinecke static inline bool atapi_id_dmadir(const u16 *dev_id)
102491163006STejun Heo {
102591163006STejun Heo return ata_id_major_version(dev_id) >= 7 && (dev_id[62] & 0x8000);
102691163006STejun Heo }
102791163006STejun Heo
ata_ok(u8 status)10284dce8ba9SHannes Reinecke static inline bool ata_ok(u8 status)
10291da177e4SLinus Torvalds {
10301da177e4SLinus Torvalds return ((status & (ATA_BUSY | ATA_DRDY | ATA_DF | ATA_DRQ | ATA_ERR))
10311da177e4SLinus Torvalds == ATA_DRDY);
10321da177e4SLinus Torvalds }
10331da177e4SLinus Torvalds
lba_28_ok(u64 block,u32 n_block)10344dce8ba9SHannes Reinecke static inline bool lba_28_ok(u64 block, u32 n_block)
1035c6a33e24SAlbert Lee {
103645c4d015SMark Lord /* check the ending block number: must be LESS THAN 0x0fffffff */
103735303d5cSTom Yan return ((block + n_block) < ((1 << 28) - 1)) && (n_block <= ATA_MAX_SECTORS);
1038c6a33e24SAlbert Lee }
1039c6a33e24SAlbert Lee
lba_48_ok(u64 block,u32 n_block)10404dce8ba9SHannes Reinecke static inline bool lba_48_ok(u64 block, u32 n_block)
1041c6a33e24SAlbert Lee {
1042c6a33e24SAlbert Lee /* check the ending block number */
104335303d5cSTom Yan return ((block + n_block - 1) < ((u64)1 << 48)) && (n_block <= ATA_MAX_SECTORS_LBA48);
1044c6a33e24SAlbert Lee }
1045c6a33e24SAlbert Lee
1046814600eeSTejun Heo #define sata_pmp_gscr_vendor(gscr) ((gscr)[SATA_PMP_GSCR_PROD_ID] & 0xffff)
1047814600eeSTejun Heo #define sata_pmp_gscr_devid(gscr) ((gscr)[SATA_PMP_GSCR_PROD_ID] >> 16)
1048814600eeSTejun Heo #define sata_pmp_gscr_rev(gscr) (((gscr)[SATA_PMP_GSCR_REV] >> 8) & 0xff)
1049814600eeSTejun Heo #define sata_pmp_gscr_ports(gscr) ((gscr)[SATA_PMP_GSCR_PORT_INFO] & 0xf)
1050814600eeSTejun Heo
10511da177e4SLinus Torvalds #endif /* __LINUX_ATA_H__ */
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