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include/linux/ata.h
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/* |
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* Copyright 2003-2004 Red Hat, Inc. All rights reserved. * Copyright 2003-2004 Jeff Garzik * * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2, or (at your option) * any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; see the file COPYING. If not, write to * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. * * * libata documentation is available via 'make {ps|pdf}docs', * as Documentation/DocBook/libata.* * * Hardware documentation available from http://www.t13.org/ * |
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*/ #ifndef __LINUX_ATA_H__ #define __LINUX_ATA_H__ |
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#include <linux/kernel.h> #include <linux/string.h> |
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#include <linux/types.h> |
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#include <asm/byteorder.h> |
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/* defines only for the constants which don't work well as enums */ #define ATA_DMA_BOUNDARY 0xffffUL #define ATA_DMA_MASK 0xffffffffULL enum { /* various global constants */ ATA_MAX_DEVICES = 2, /* per bus/port */ ATA_MAX_PRD = 256, /* we could make these 256/256 */ ATA_SECT_SIZE = 512, |
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ATA_MAX_SECTORS_128 = 128, |
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ATA_MAX_SECTORS = 256, |
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ATA_MAX_SECTORS_1024 = 1024, |
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ATA_MAX_SECTORS_LBA48 = 65535,/* avoid count to be 0000h */ |
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ATA_MAX_SECTORS_TAPE = 65535, |
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ATA_MAX_TRIM_RNUM = 64, /* 512-byte payload / (6-byte LBA + 2-byte range per entry) */ |
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ATA_ID_WORDS = 256, |
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ATA_ID_CONFIG = 0, ATA_ID_CYLS = 1, ATA_ID_HEADS = 3, ATA_ID_SECTORS = 6, |
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ATA_ID_SERNO = 10, |
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ATA_ID_BUF_SIZE = 21, |
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ATA_ID_FW_REV = 23, ATA_ID_PROD = 27, |
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ATA_ID_MAX_MULTSECT = 47, ATA_ID_DWORD_IO = 48, ATA_ID_CAPABILITY = 49, |
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ATA_ID_OLD_PIO_MODES = 51, |
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ATA_ID_OLD_DMA_MODES = 52, |
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ATA_ID_FIELD_VALID = 53, |
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ATA_ID_CUR_CYLS = 54, ATA_ID_CUR_HEADS = 55, ATA_ID_CUR_SECTORS = 56, ATA_ID_MULTSECT = 59, ATA_ID_LBA_CAPACITY = 60, ATA_ID_SWDMA_MODES = 62, |
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ATA_ID_MWDMA_MODES = 63, |
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ATA_ID_PIO_MODES = 64, ATA_ID_EIDE_DMA_MIN = 65, |
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ATA_ID_EIDE_DMA_TIME = 66, |
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ATA_ID_EIDE_PIO = 67, ATA_ID_EIDE_PIO_IORDY = 68, |
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ATA_ID_ADDITIONAL_SUPP = 69, |
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ATA_ID_QUEUE_DEPTH = 75, |
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ATA_ID_SATA_CAPABILITY = 76, ATA_ID_SATA_CAPABILITY_2 = 77, ATA_ID_FEATURE_SUPP = 78, |
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ATA_ID_MAJOR_VER = 80, |
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ATA_ID_COMMAND_SET_1 = 82, ATA_ID_COMMAND_SET_2 = 83, ATA_ID_CFSSE = 84, ATA_ID_CFS_ENABLE_1 = 85, ATA_ID_CFS_ENABLE_2 = 86, ATA_ID_CSF_DEFAULT = 87, ATA_ID_UDMA_MODES = 88, ATA_ID_HW_CONFIG = 93, ATA_ID_SPG = 98, ATA_ID_LBA_CAPACITY_2 = 100, |
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ATA_ID_SECTOR_SIZE = 106, |
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ATA_ID_WWN = 108, |
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ATA_ID_LOGICAL_SECTOR_SIZE = 117, /* and 118 */ |
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ATA_ID_COMMAND_SET_3 = 119, ATA_ID_COMMAND_SET_4 = 120, |
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ATA_ID_LAST_LUN = 126, ATA_ID_DLF = 128, ATA_ID_CSFO = 129, ATA_ID_CFA_POWER = 160, |
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ATA_ID_CFA_KEY_MGMT = 162, ATA_ID_CFA_MODES = 163, |
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ATA_ID_DATA_SET_MGMT = 169, |
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ATA_ID_SCT_CMD_XPORT = 206, |
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ATA_ID_ROT_SPEED = 217, |
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ATA_ID_PIO4 = (1 << 1), |
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ATA_ID_SERNO_LEN = 20, ATA_ID_FW_REV_LEN = 8, ATA_ID_PROD_LEN = 40, |
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ATA_ID_WWN_LEN = 8, |
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ATA_PCI_CTL_OFS = 2, |
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ATA_PIO0 = (1 << 0), ATA_PIO1 = ATA_PIO0 | (1 << 1), ATA_PIO2 = ATA_PIO1 | (1 << 2), ATA_PIO3 = ATA_PIO2 | (1 << 3), ATA_PIO4 = ATA_PIO3 | (1 << 4), ATA_PIO5 = ATA_PIO4 | (1 << 5), ATA_PIO6 = ATA_PIO5 | (1 << 6), |
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ATA_PIO4_ONLY = (1 << 4), |
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ATA_SWDMA0 = (1 << 0), ATA_SWDMA1 = ATA_SWDMA0 | (1 << 1), ATA_SWDMA2 = ATA_SWDMA1 | (1 << 2), ATA_SWDMA2_ONLY = (1 << 2), ATA_MWDMA0 = (1 << 0), ATA_MWDMA1 = ATA_MWDMA0 | (1 << 1), ATA_MWDMA2 = ATA_MWDMA1 | (1 << 2), |
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ATA_MWDMA3 = ATA_MWDMA2 | (1 << 3), ATA_MWDMA4 = ATA_MWDMA3 | (1 << 4), |
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ATA_MWDMA12_ONLY = (1 << 1) | (1 << 2), ATA_MWDMA2_ONLY = (1 << 2), |
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ATA_UDMA0 = (1 << 0), ATA_UDMA1 = ATA_UDMA0 | (1 << 1), ATA_UDMA2 = ATA_UDMA1 | (1 << 2), ATA_UDMA3 = ATA_UDMA2 | (1 << 3), ATA_UDMA4 = ATA_UDMA3 | (1 << 4), ATA_UDMA5 = ATA_UDMA4 | (1 << 5), ATA_UDMA6 = ATA_UDMA5 | (1 << 6), ATA_UDMA7 = ATA_UDMA6 | (1 << 7), /* ATA_UDMA7 is just for completeness... doesn't exist (yet?). */ |
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ATA_UDMA24_ONLY = (1 << 2) | (1 << 4), |
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ATA_UDMA_MASK_40C = ATA_UDMA2, /* udma0-2 */ /* DMA-related */ ATA_PRD_SZ = 8, ATA_PRD_TBL_SZ = (ATA_MAX_PRD * ATA_PRD_SZ), ATA_PRD_EOT = (1 << 31), /* end-of-table flag */ ATA_DMA_TABLE_OFS = 4, ATA_DMA_STATUS = 2, ATA_DMA_CMD = 0, ATA_DMA_WR = (1 << 3), ATA_DMA_START = (1 << 0), ATA_DMA_INTR = (1 << 2), ATA_DMA_ERR = (1 << 1), ATA_DMA_ACTIVE = (1 << 0), /* bits in ATA command block registers */ ATA_HOB = (1 << 7), /* LBA48 selector */ ATA_NIEN = (1 << 1), /* disable-irq flag */ ATA_LBA = (1 << 6), /* LBA28 selector */ ATA_DEV1 = (1 << 4), /* Select Device 1 (slave) */ ATA_DEVICE_OBS = (1 << 7) | (1 << 5), /* obs bits in dev reg */ ATA_DEVCTL_OBS = (1 << 3), /* obsolete bit in devctl reg */ ATA_BUSY = (1 << 7), /* BSY status bit */ ATA_DRDY = (1 << 6), /* device ready */ ATA_DF = (1 << 5), /* device fault */ |
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ATA_DSC = (1 << 4), /* drive seek complete */ |
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ATA_DRQ = (1 << 3), /* data request i/o */ |
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ATA_CORR = (1 << 2), /* corrected data error */ |
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ATA_SENSE = (1 << 1), /* sense code available */ |
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ATA_ERR = (1 << 0), /* have an error */ ATA_SRST = (1 << 2), /* software reset */ |
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ATA_ICRC = (1 << 7), /* interface CRC error */ |
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ATA_BBK = ATA_ICRC, /* pre-EIDE: block marked bad */ |
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ATA_UNC = (1 << 6), /* uncorrectable media error */ |
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ATA_MC = (1 << 5), /* media changed */ |
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ATA_IDNF = (1 << 4), /* ID not found */ |
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ATA_MCR = (1 << 3), /* media change requested */ |
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ATA_ABORTED = (1 << 2), /* command aborted */ |
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ATA_TRK0NF = (1 << 1), /* track 0 not found */ ATA_AMNF = (1 << 0), /* address mark not found */ ATAPI_LFS = 0xF0, /* last failed sense */ ATAPI_EOM = ATA_TRK0NF, /* end of media */ ATAPI_ILI = ATA_AMNF, /* illegal length indication */ ATAPI_IO = (1 << 1), ATAPI_COD = (1 << 0), |
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/* ATA command block registers */ ATA_REG_DATA = 0x00, ATA_REG_ERR = 0x01, ATA_REG_NSECT = 0x02, ATA_REG_LBAL = 0x03, ATA_REG_LBAM = 0x04, ATA_REG_LBAH = 0x05, ATA_REG_DEVICE = 0x06, ATA_REG_STATUS = 0x07, ATA_REG_FEATURE = ATA_REG_ERR, /* and their aliases */ ATA_REG_CMD = ATA_REG_STATUS, ATA_REG_BYTEL = ATA_REG_LBAM, ATA_REG_BYTEH = ATA_REG_LBAH, ATA_REG_DEVSEL = ATA_REG_DEVICE, ATA_REG_IRQ = ATA_REG_NSECT, /* ATA device commands */ |
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ATA_CMD_DEV_RESET = 0x08, /* ATAPI device reset */ |
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ATA_CMD_CHK_POWER = 0xE5, /* check power mode */ |
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ATA_CMD_STANDBY = 0xE2, /* place in standby power mode */ ATA_CMD_IDLE = 0xE3, /* place in idle power mode */ |
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ATA_CMD_EDD = 0x90, /* execute device diagnostic */ |
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ATA_CMD_DOWNLOAD_MICRO = 0x92, |
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ATA_CMD_DOWNLOAD_MICRO_DMA = 0x93, |
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ATA_CMD_NOP = 0x00, |
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ATA_CMD_FLUSH = 0xE7, ATA_CMD_FLUSH_EXT = 0xEA, ATA_CMD_ID_ATA = 0xEC, ATA_CMD_ID_ATAPI = 0xA1, |
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ATA_CMD_SERVICE = 0xA2, |
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ATA_CMD_READ = 0xC8, ATA_CMD_READ_EXT = 0x25, |
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ATA_CMD_READ_QUEUED = 0x26, ATA_CMD_READ_STREAM_EXT = 0x2B, ATA_CMD_READ_STREAM_DMA_EXT = 0x2A, |
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ATA_CMD_WRITE = 0xCA, ATA_CMD_WRITE_EXT = 0x35, |
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ATA_CMD_WRITE_QUEUED = 0x36, ATA_CMD_WRITE_STREAM_EXT = 0x3B, ATA_CMD_WRITE_STREAM_DMA_EXT = 0x3A, |
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ATA_CMD_WRITE_FUA_EXT = 0x3D, |
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ATA_CMD_WRITE_QUEUED_FUA_EXT = 0x3E, |
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ATA_CMD_FPDMA_READ = 0x60, ATA_CMD_FPDMA_WRITE = 0x61, |
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ATA_CMD_NCQ_NON_DATA = 0x63, |
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ATA_CMD_FPDMA_SEND = 0x64, ATA_CMD_FPDMA_RECV = 0x65, |
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ATA_CMD_PIO_READ = 0x20, ATA_CMD_PIO_READ_EXT = 0x24, ATA_CMD_PIO_WRITE = 0x30, ATA_CMD_PIO_WRITE_EXT = 0x34, |
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ATA_CMD_READ_MULTI = 0xC4, ATA_CMD_READ_MULTI_EXT = 0x29, ATA_CMD_WRITE_MULTI = 0xC5, ATA_CMD_WRITE_MULTI_EXT = 0x39, |
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ATA_CMD_WRITE_MULTI_FUA_EXT = 0xCE, |
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ATA_CMD_SET_FEATURES = 0xEF, |
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ATA_CMD_SET_MULTI = 0xC6, |
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ATA_CMD_PACKET = 0xA0, ATA_CMD_VERIFY = 0x40, ATA_CMD_VERIFY_EXT = 0x42, |
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ATA_CMD_WRITE_UNCORR_EXT = 0x45, |
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ATA_CMD_STANDBYNOW1 = 0xE0, ATA_CMD_IDLEIMMEDIATE = 0xE1, |
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ATA_CMD_SLEEP = 0xE6, |
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ATA_CMD_INIT_DEV_PARAMS = 0x91, |
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ATA_CMD_READ_NATIVE_MAX = 0xF8, ATA_CMD_READ_NATIVE_MAX_EXT = 0x27, |
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ATA_CMD_SET_MAX = 0xF9, ATA_CMD_SET_MAX_EXT = 0x37, |
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ATA_CMD_READ_LOG_EXT = 0x2F, ATA_CMD_WRITE_LOG_EXT = 0x3F, ATA_CMD_READ_LOG_DMA_EXT = 0x47, ATA_CMD_WRITE_LOG_DMA_EXT = 0x57, |
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ATA_CMD_TRUSTED_NONDATA = 0x5B, |
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ATA_CMD_TRUSTED_RCV = 0x5C, ATA_CMD_TRUSTED_RCV_DMA = 0x5D, ATA_CMD_TRUSTED_SND = 0x5E, ATA_CMD_TRUSTED_SND_DMA = 0x5F, |
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ATA_CMD_PMP_READ = 0xE4, |
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ATA_CMD_PMP_READ_DMA = 0xE9, |
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ATA_CMD_PMP_WRITE = 0xE8, |
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ATA_CMD_PMP_WRITE_DMA = 0xEB, |
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ATA_CMD_CONF_OVERLAY = 0xB1, |
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ATA_CMD_SEC_SET_PASS = 0xF1, ATA_CMD_SEC_UNLOCK = 0xF2, ATA_CMD_SEC_ERASE_PREP = 0xF3, ATA_CMD_SEC_ERASE_UNIT = 0xF4, |
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ATA_CMD_SEC_FREEZE_LOCK = 0xF5, |
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ATA_CMD_SEC_DISABLE_PASS = 0xF6, ATA_CMD_CONFIG_STREAM = 0x51, |
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ATA_CMD_SMART = 0xB0, ATA_CMD_MEDIA_LOCK = 0xDE, ATA_CMD_MEDIA_UNLOCK = 0xDF, |
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ATA_CMD_DSM = 0x06, |
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ATA_CMD_CHK_MED_CRD_TYP = 0xD1, ATA_CMD_CFA_REQ_EXT_ERR = 0x03, ATA_CMD_CFA_WRITE_NE = 0x38, ATA_CMD_CFA_TRANS_SECT = 0x87, ATA_CMD_CFA_ERASE = 0xC0, ATA_CMD_CFA_WRITE_MULT_NE = 0xCD, |
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ATA_CMD_REQ_SENSE_DATA = 0x0B, ATA_CMD_SANITIZE_DEVICE = 0xB4, |
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ATA_CMD_ZAC_MGMT_IN = 0x4A, |
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ATA_CMD_ZAC_MGMT_OUT = 0x9F, |
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/* marked obsolete in the ATA/ATAPI-7 spec */ ATA_CMD_RESTORE = 0x10, |
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/* Subcmds for ATA_CMD_FPDMA_RECV */ ATA_SUBCMD_FPDMA_RECV_RD_LOG_DMA_EXT = 0x01, |
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ATA_SUBCMD_FPDMA_RECV_ZAC_MGMT_IN = 0x02, |
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/* Subcmds for ATA_CMD_FPDMA_SEND */ ATA_SUBCMD_FPDMA_SEND_DSM = 0x00, ATA_SUBCMD_FPDMA_SEND_WR_LOG_DMA_EXT = 0x02, |
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/* Subcmds for ATA_CMD_NCQ_NON_DATA */ ATA_SUBCMD_NCQ_NON_DATA_ABORT_QUEUE = 0x00, ATA_SUBCMD_NCQ_NON_DATA_SET_FEATURES = 0x05, ATA_SUBCMD_NCQ_NON_DATA_ZERO_EXT = 0x06, |
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ATA_SUBCMD_NCQ_NON_DATA_ZAC_MGMT_OUT = 0x07, |
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/* Subcmds for ATA_CMD_ZAC_MGMT_IN */ ATA_SUBCMD_ZAC_MGMT_IN_REPORT_ZONES = 0x00, |
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/* Subcmds for ATA_CMD_ZAC_MGMT_OUT */ ATA_SUBCMD_ZAC_MGMT_OUT_CLOSE_ZONE = 0x01, ATA_SUBCMD_ZAC_MGMT_OUT_FINISH_ZONE = 0x02, ATA_SUBCMD_ZAC_MGMT_OUT_OPEN_ZONE = 0x03, ATA_SUBCMD_ZAC_MGMT_OUT_RESET_WRITE_POINTER = 0x04, |
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/* READ_LOG_EXT pages */ |
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ATA_LOG_DIRECTORY = 0x0, |
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ATA_LOG_SATA_NCQ = 0x10, |
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ATA_LOG_NCQ_NON_DATA = 0x12, |
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ATA_LOG_NCQ_SEND_RECV = 0x13, |
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ATA_LOG_SATA_ID_DEV_DATA = 0x30, ATA_LOG_SATA_SETTINGS = 0x08, |
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ATA_LOG_ZONED_INFORMATION = 0x09, |
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ATA_LOG_DEVSLP_OFFSET = 0x30, ATA_LOG_DEVSLP_SIZE = 0x08, ATA_LOG_DEVSLP_MDAT = 0x00, |
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ATA_LOG_DEVSLP_MDAT_MASK = 0x1F, |
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ATA_LOG_DEVSLP_DETO = 0x01, ATA_LOG_DEVSLP_VALID = 0x07, |
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ATA_LOG_DEVSLP_VALID_MASK = 0x80, |
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/* NCQ send and receive log */ ATA_LOG_NCQ_SEND_RECV_SUBCMDS_OFFSET = 0x00, ATA_LOG_NCQ_SEND_RECV_SUBCMDS_DSM = (1 << 0), ATA_LOG_NCQ_SEND_RECV_DSM_OFFSET = 0x04, ATA_LOG_NCQ_SEND_RECV_DSM_TRIM = (1 << 0), ATA_LOG_NCQ_SEND_RECV_RD_LOG_OFFSET = 0x08, |
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ATA_LOG_NCQ_SEND_RECV_RD_LOG_SUPPORTED = (1 << 0), |
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ATA_LOG_NCQ_SEND_RECV_WR_LOG_OFFSET = 0x0C, |
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ATA_LOG_NCQ_SEND_RECV_WR_LOG_SUPPORTED = (1 << 0), |
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ATA_LOG_NCQ_SEND_RECV_ZAC_MGMT_OFFSET = 0x10, ATA_LOG_NCQ_SEND_RECV_ZAC_MGMT_OUT_SUPPORTED = (1 << 0), ATA_LOG_NCQ_SEND_RECV_ZAC_MGMT_IN_SUPPORTED = (1 << 1), ATA_LOG_NCQ_SEND_RECV_SIZE = 0x14, |
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/* NCQ Non-Data log */ ATA_LOG_NCQ_NON_DATA_SUBCMDS_OFFSET = 0x00, ATA_LOG_NCQ_NON_DATA_ABORT_OFFSET = 0x00, ATA_LOG_NCQ_NON_DATA_ABORT_NCQ = (1 << 0), ATA_LOG_NCQ_NON_DATA_ABORT_ALL = (1 << 1), ATA_LOG_NCQ_NON_DATA_ABORT_STREAMING = (1 << 2), ATA_LOG_NCQ_NON_DATA_ABORT_NON_STREAMING = (1 << 3), ATA_LOG_NCQ_NON_DATA_ABORT_SELECTED = (1 << 4), ATA_LOG_NCQ_NON_DATA_ZAC_MGMT_OFFSET = 0x1C, ATA_LOG_NCQ_NON_DATA_ZAC_MGMT_OUT = (1 << 0), ATA_LOG_NCQ_NON_DATA_SIZE = 0x40, |
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/* READ/WRITE LONG (obsolete) */ ATA_CMD_READ_LONG = 0x22, ATA_CMD_READ_LONG_ONCE = 0x23, ATA_CMD_WRITE_LONG = 0x32, ATA_CMD_WRITE_LONG_ONCE = 0x33, |
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/* SETFEATURES stuff */ SETFEATURES_XFER = 0x03, XFER_UDMA_7 = 0x47, XFER_UDMA_6 = 0x46, XFER_UDMA_5 = 0x45, XFER_UDMA_4 = 0x44, XFER_UDMA_3 = 0x43, XFER_UDMA_2 = 0x42, XFER_UDMA_1 = 0x41, XFER_UDMA_0 = 0x40, |
b352e57dc
|
383 384 |
XFER_MW_DMA_4 = 0x24, /* CFA only */ XFER_MW_DMA_3 = 0x23, /* CFA only */ |
1da177e4c
|
385 386 387 |
XFER_MW_DMA_2 = 0x22, XFER_MW_DMA_1 = 0x21, XFER_MW_DMA_0 = 0x20, |
b4b52db71
|
388 389 390 |
XFER_SW_DMA_2 = 0x12, XFER_SW_DMA_1 = 0x11, XFER_SW_DMA_0 = 0x10, |
b352e57dc
|
391 392 |
XFER_PIO_6 = 0x0E, /* CFA only */ XFER_PIO_5 = 0x0D, /* CFA only */ |
1da177e4c
|
393 394 395 396 397 |
XFER_PIO_4 = 0x0C, XFER_PIO_3 = 0x0B, XFER_PIO_2 = 0x0A, XFER_PIO_1 = 0x09, XFER_PIO_0 = 0x08, |
1da177e4c
|
398 |
XFER_PIO_SLOW = 0x00, |
3057ac3c1
|
399 400 |
SETFEATURES_WC_ON = 0x02, /* Enable write cache */ SETFEATURES_WC_OFF = 0x82, /* Disable write cache */ |
0c12735e8
|
401 402 |
SETFEATURES_RA_ON = 0xaa, /* Enable read look-ahead */ SETFEATURES_RA_OFF = 0x55, /* Disable read look-ahead */ |
476d9894d
|
403 404 405 |
/* Enable/Disable Automatic Acoustic Management */ SETFEATURES_AAM_ON = 0x42, SETFEATURES_AAM_OFF = 0xC2, |
974e0a453
|
406 407 |
SETFEATURES_SPINUP = 0x07, /* Spin-up drive */ SETFEATURES_SPINUP_TIMEOUT = 30000, /* 30s timeout for drive spin-up from PUIS */ |
169439c2e
|
408 |
|
9f45cbd3f
|
409 410 411 412 |
SETFEATURES_SATA_ENABLE = 0x10, /* Enable use of SATA feature */ SETFEATURES_SATA_DISABLE = 0x90, /* Disable use of SATA feature */ /* SETFEATURE Sector counts for SATA features */ |
fa5b561c4
|
413 |
SATA_FPDMA_OFFSET = 0x01, /* FPDMA non-zero buffer offsets */ |
f1bce7f80
|
414 415 |
SATA_FPDMA_AA = 0x02, /* FPDMA Setup FIS Auto-Activate */ SATA_DIPM = 0x03, /* Device Initiated Power Management */ |
fa5b561c4
|
416 |
SATA_FPDMA_IN_ORDER = 0x04, /* FPDMA in-order data delivery */ |
f1bce7f80
|
417 |
SATA_AN = 0x05, /* Asynchronous Notification */ |
fa5b561c4
|
418 |
SATA_SSP = 0x06, /* Software Settings Preservation */ |
65fe1f0f6
|
419 |
SATA_DEVSLP = 0x09, /* Device Sleep */ |
9f45cbd3f
|
420 |
|
e87fd28cf
|
421 |
SETFEATURE_SENSE_DATA = 0xC3, /* Sense Data Reporting feature */ |
ce2e0abbd
|
422 423 424 425 426 427 428 429 430 431 432 433 |
/* feature values for SET_MAX */ ATA_SET_MAX_ADDR = 0x00, ATA_SET_MAX_PASSWD = 0x01, ATA_SET_MAX_LOCK = 0x02, ATA_SET_MAX_UNLOCK = 0x03, ATA_SET_MAX_FREEZE_LOCK = 0x04, /* feature values for DEVICE CONFIGURATION OVERLAY */ ATA_DCO_RESTORE = 0xC0, ATA_DCO_FREEZE_LOCK = 0xC1, ATA_DCO_IDENTIFY = 0xC2, ATA_DCO_SET = 0xC3, |
476d9894d
|
434 435 436 437 |
/* feature values for SMART */ ATA_SMART_ENABLE = 0xD8, ATA_SMART_READ_VALUES = 0xD0, ATA_SMART_READ_THRESHOLDS = 0xD1, |
0c659b82d
|
438 439 |
/* feature values for Data Set Management */ ATA_DSM_TRIM = 0x01, |
476d9894d
|
440 441 442 |
/* password used in LBA Mid / LBA High for executing SMART commands */ ATA_SMART_LBAM_PASS = 0x4F, ATA_SMART_LBAH_PASS = 0xC2, |
1da177e4c
|
443 444 445 446 447 |
/* ATAPI stuff */ ATAPI_PKT_DMA = (1 << 0), ATAPI_DMADIR = (1 << 2), /* ATAPI data dir: 0=to device, 1=to host */ ATAPI_CDB_LEN = 16, |
814600ee1
|
448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 |
/* PMP stuff */ SATA_PMP_MAX_PORTS = 15, SATA_PMP_CTRL_PORT = 15, SATA_PMP_GSCR_DWORDS = 128, SATA_PMP_GSCR_PROD_ID = 0, SATA_PMP_GSCR_REV = 1, SATA_PMP_GSCR_PORT_INFO = 2, SATA_PMP_GSCR_ERROR = 32, SATA_PMP_GSCR_ERROR_EN = 33, SATA_PMP_GSCR_FEAT = 64, SATA_PMP_GSCR_FEAT_EN = 96, SATA_PMP_PSCR_STATUS = 0, SATA_PMP_PSCR_ERROR = 1, SATA_PMP_PSCR_CONTROL = 2, SATA_PMP_FEAT_BIST = (1 << 0), SATA_PMP_FEAT_PMREQ = (1 << 1), SATA_PMP_FEAT_DYNSSC = (1 << 2), SATA_PMP_FEAT_NOTIFY = (1 << 3), |
1da177e4c
|
469 470 471 472 |
/* cable types */ ATA_CBL_NONE = 0, ATA_CBL_PATA40 = 1, ATA_CBL_PATA80 = 2, |
c88f90c37
|
473 474 475 476 |
ATA_CBL_PATA40_SHORT = 3, /* 40 wire cable to high UDMA spec */ ATA_CBL_PATA_UNK = 4, /* don't know, maybe 80c? */ ATA_CBL_PATA_IGN = 5, /* don't know, ignore cable handling */ ATA_CBL_SATA = 6, |
1da177e4c
|
477 478 479 480 481 482 483 |
/* SATA Status and Control Registers */ SCR_STATUS = 0, SCR_ERROR = 1, SCR_CONTROL = 2, SCR_ACTIVE = 3, SCR_NOTIFICATION = 4, |
9be1e979f
|
484 485 486 487 488 489 490 491 |
/* SError bits */ SERR_DATA_RECOVERED = (1 << 0), /* recovered data error */ SERR_COMM_RECOVERED = (1 << 1), /* recovered comm failure */ SERR_DATA = (1 << 8), /* unrecovered data error */ SERR_PERSISTENT = (1 << 9), /* persistent data/comm error */ SERR_PROTOCOL = (1 << 10), /* protocol violation */ SERR_INTERNAL = (1 << 11), /* host internal error */ SERR_PHYRDY_CHG = (1 << 16), /* PHY RDY changed */ |
1333e1943
|
492 493 494 495 496 497 498 499 500 |
SERR_PHY_INT_ERR = (1 << 17), /* PHY internal error */ SERR_COMM_WAKE = (1 << 18), /* Comm wake */ SERR_10B_8B_ERR = (1 << 19), /* 10b to 8b decode error */ SERR_DISPARITY = (1 << 20), /* Disparity */ SERR_CRC = (1 << 21), /* CRC error */ SERR_HANDSHAKE = (1 << 22), /* Handshake error */ SERR_LINK_SEQ_ERR = (1 << 23), /* Link sequence error */ SERR_TRANS_ST_ERROR = (1 << 24), /* Transport state trans. error */ SERR_UNRECOG_FIS = (1 << 25), /* Unrecognized FIS */ |
9be1e979f
|
501 |
SERR_DEV_XCHG = (1 << 26), /* device exchanged */ |
1da177e4c
|
502 |
}; |
37f92d77d
|
503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 |
enum ata_prot_flags { /* protocol flags */ ATA_PROT_FLAG_PIO = (1 << 0), /* is PIO */ ATA_PROT_FLAG_DMA = (1 << 1), /* is DMA */ ATA_PROT_FLAG_NCQ = (1 << 2), /* is NCQ */ ATA_PROT_FLAG_ATAPI = (1 << 3), /* is ATAPI */ /* taskfile protocols */ ATA_PROT_UNKNOWN = (u8)-1, ATA_PROT_NODATA = 0, ATA_PROT_PIO = ATA_PROT_FLAG_PIO, ATA_PROT_DMA = ATA_PROT_FLAG_DMA, ATA_PROT_NCQ_NODATA = ATA_PROT_FLAG_NCQ, ATA_PROT_NCQ = ATA_PROT_FLAG_DMA | ATA_PROT_FLAG_NCQ, ATAPI_PROT_NODATA = ATA_PROT_FLAG_ATAPI, ATAPI_PROT_PIO = ATA_PROT_FLAG_ATAPI | ATA_PROT_FLAG_PIO, ATAPI_PROT_DMA = ATA_PROT_FLAG_ATAPI | ATA_PROT_FLAG_DMA, |
1da177e4c
|
520 521 522 |
}; enum ata_ioctls { |
287e6611a
|
523 524 |
ATA_IOC_GET_IO32 = 0x309, /* HDIO_GET_32BIT */ ATA_IOC_SET_IO32 = 0x324, /* HDIO_SET_32BIT */ |
1da177e4c
|
525 526 527 |
}; /* core structures */ |
f60d70113
|
528 |
struct ata_bmdma_prd { |
4ca4e4396
|
529 530 |
__le32 addr; __le32 flags_len; |
1da177e4c
|
531 |
}; |
405e66b38
|
532 533 534 |
/* * id tests */ |
37014c640
|
535 536 537 |
#define ata_id_is_ata(id) (((id)[ATA_ID_CONFIG] & (1 << 15)) == 0) #define ata_id_has_lba(id) ((id)[ATA_ID_CAPABILITY] & (1 << 9)) #define ata_id_has_dma(id) ((id)[ATA_ID_CAPABILITY] & (1 << 8)) |
583661a89
|
538 |
#define ata_id_has_ncq(id) ((id)[ATA_ID_SATA_CAPABILITY] & (1 << 8)) |
37014c640
|
539 |
#define ata_id_queue_depth(id) (((id)[ATA_ID_QUEUE_DEPTH] & 0x1f) + 1) |
0628ee7c8
|
540 |
#define ata_id_removable(id) ((id)[ATA_ID_CONFIG] & (1 << 7)) |
854c73a2f
|
541 |
#define ata_id_has_atapi_AN(id) \ |
583661a89
|
542 543 544 |
((((id)[ATA_ID_SATA_CAPABILITY] != 0x0000) && \ ((id)[ATA_ID_SATA_CAPABILITY] != 0xffff)) && \ ((id)[ATA_ID_FEATURE_SUPP] & (1 << 5))) |
388539f3f
|
545 |
#define ata_id_has_fpdma_aa(id) \ |
583661a89
|
546 547 548 |
((((id)[ATA_ID_SATA_CAPABILITY] != 0x0000) && \ ((id)[ATA_ID_SATA_CAPABILITY] != 0xffff)) && \ ((id)[ATA_ID_FEATURE_SUPP] & (1 << 2))) |
37014c640
|
549 550 |
#define ata_id_iordy_disable(id) ((id)[ATA_ID_CAPABILITY] & (1 << 10)) #define ata_id_has_iordy(id) ((id)[ATA_ID_CAPABILITY] & (1 << 11)) |
1da177e4c
|
551 552 553 554 555 556 557 |
#define ata_id_u32(id,n) \ (((u32) (id)[(n) + 1] << 16) | ((u32) (id)[(n)])) #define ata_id_u64(id,n) \ ( ((u64) (id)[(n) + 3] << 48) | \ ((u64) (id)[(n) + 2] << 32) | \ ((u64) (id)[(n) + 1] << 16) | \ ((u64) (id)[(n) + 0]) ) |
37014c640
|
558 |
#define ata_id_cdb_intr(id) (((id)[ATA_ID_CONFIG] & 0x60) == 0x20) |
583661a89
|
559 |
#define ata_id_has_da(id) ((id)[ATA_ID_SATA_CAPABILITY_2] & (1 << 4)) |
65fe1f0f6
|
560 |
#define ata_id_has_devslp(id) ((id)[ATA_ID_FEATURE_SUPP] & (1 << 8)) |
5b01e4b9e
|
561 562 |
#define ata_id_has_ncq_autosense(id) \ ((id)[ATA_ID_FEATURE_SUPP] & (1 << 7)) |
312f7da28
|
563 |
|
ca77329fb
|
564 565 |
static inline bool ata_id_has_hipm(const u16 *id) { |
583661a89
|
566 |
u16 val = id[ATA_ID_SATA_CAPABILITY]; |
ca77329fb
|
567 568 569 570 571 572 573 574 575 |
if (val == 0 || val == 0xffff) return false; return val & (1 << 9); } static inline bool ata_id_has_dipm(const u16 *id) { |
583661a89
|
576 |
u16 val = id[ATA_ID_FEATURE_SUPP]; |
ca77329fb
|
577 578 579 580 581 582 |
if (val == 0 || val == 0xffff) return false; return val & (1 << 3); } |
ae8d4ee7f
|
583 |
|
4dce8ba94
|
584 |
static inline bool ata_id_has_fua(const u16 *id) |
c7293870a
|
585 |
{ |
37014c640
|
586 |
if ((id[ATA_ID_CFSSE] & 0xC000) != 0x4000) |
4dce8ba94
|
587 |
return false; |
37014c640
|
588 |
return id[ATA_ID_CFSSE] & (1 << 6); |
c7293870a
|
589 |
} |
4dce8ba94
|
590 |
static inline bool ata_id_has_flush(const u16 *id) |
c7293870a
|
591 |
{ |
37014c640
|
592 |
if ((id[ATA_ID_COMMAND_SET_2] & 0xC000) != 0x4000) |
4dce8ba94
|
593 |
return false; |
37014c640
|
594 |
return id[ATA_ID_COMMAND_SET_2] & (1 << 12); |
c7293870a
|
595 |
} |
4dce8ba94
|
596 |
static inline bool ata_id_flush_enabled(const u16 *id) |
4b58f17d7
|
597 598 |
{ if (ata_id_has_flush(id) == 0) |
4dce8ba94
|
599 |
return false; |
4b58f17d7
|
600 |
if ((id[ATA_ID_CSF_DEFAULT] & 0xC000) != 0x4000) |
4dce8ba94
|
601 |
return false; |
4b58f17d7
|
602 603 |
return id[ATA_ID_CFS_ENABLE_2] & (1 << 12); } |
4dce8ba94
|
604 |
static inline bool ata_id_has_flush_ext(const u16 *id) |
c7293870a
|
605 |
{ |
37014c640
|
606 |
if ((id[ATA_ID_COMMAND_SET_2] & 0xC000) != 0x4000) |
4dce8ba94
|
607 |
return false; |
37014c640
|
608 |
return id[ATA_ID_COMMAND_SET_2] & (1 << 13); |
c7293870a
|
609 |
} |
4dce8ba94
|
610 |
static inline bool ata_id_flush_ext_enabled(const u16 *id) |
ff2779b56
|
611 612 |
{ if (ata_id_has_flush_ext(id) == 0) |
4dce8ba94
|
613 |
return false; |
ff2779b56
|
614 |
if ((id[ATA_ID_CSF_DEFAULT] & 0xC000) != 0x4000) |
4dce8ba94
|
615 |
return false; |
ff2779b56
|
616 617 618 619 620 621 |
/* * some Maxtor disks have bit 13 defined incorrectly * so check bit 10 too */ return (id[ATA_ID_CFS_ENABLE_2] & 0x2400) == 0x2400; } |
295124dce
|
622 |
static inline u32 ata_id_logical_sector_size(const u16 *id) |
18f0f9785
|
623 |
{ |
295124dce
|
624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 |
/* T13/1699-D Revision 6a, Sep 6, 2008. Page 128. * IDENTIFY DEVICE data, word 117-118. * 0xd000 ignores bit 13 (logical:physical > 1) */ if ((id[ATA_ID_SECTOR_SIZE] & 0xd000) == 0x5000) return (((id[ATA_ID_LOGICAL_SECTOR_SIZE+1] << 16) + id[ATA_ID_LOGICAL_SECTOR_SIZE]) * sizeof(u16)) ; return ATA_SECT_SIZE; } static inline u8 ata_id_log2_per_physical_sector(const u16 *id) { /* T13/1699-D Revision 6a, Sep 6, 2008. Page 128. * IDENTIFY DEVICE data, word 106. * 0xe000 ignores bit 12 (logical sector > 512 bytes) */ if ((id[ATA_ID_SECTOR_SIZE] & 0xe000) == 0x6000) return (id[ATA_ID_SECTOR_SIZE] & 0xf); return 0; |
18f0f9785
|
643 |
} |
295124dce
|
644 645 646 647 648 649 650 651 652 653 654 |
/* Offset of logical sectors relative to physical sectors. * * If device has more than one logical sector per physical sector * (aka 512 byte emulation), vendors might offset the "sector 0" address * so sector 63 is "naturally aligned" - e.g. FAT partition table. * This avoids Read/Mod/Write penalties when using FAT partition table * and updating "well aligned" (FS perspective) physical sectors on every * transaction. */ static inline u16 ata_id_logical_sector_offset(const u16 *id, u8 log2_per_phys) |
18f0f9785
|
655 |
{ |
295124dce
|
656 657 658 659 660 661 662 663 |
u16 word_209 = id[209]; if ((log2_per_phys > 1) && (word_209 & 0xc000) == 0x4000) { u16 first = word_209 & 0x3fff; if (first > 0) return (1 << log2_per_phys) - first; } return 0; |
18f0f9785
|
664 |
} |
4dce8ba94
|
665 |
static inline bool ata_id_has_lba48(const u16 *id) |
c7293870a
|
666 |
{ |
37014c640
|
667 |
if ((id[ATA_ID_COMMAND_SET_2] & 0xC000) != 0x4000) |
4dce8ba94
|
668 |
return false; |
37014c640
|
669 |
if (!ata_id_u64(id, ATA_ID_LBA_CAPACITY_2)) |
4dce8ba94
|
670 |
return false; |
37014c640
|
671 |
return id[ATA_ID_COMMAND_SET_2] & (1 << 10); |
c7293870a
|
672 |
} |
4dce8ba94
|
673 |
static inline bool ata_id_lba48_enabled(const u16 *id) |
942dcd85b
|
674 675 |
{ if (ata_id_has_lba48(id) == 0) |
4dce8ba94
|
676 |
return false; |
942dcd85b
|
677 |
if ((id[ATA_ID_CSF_DEFAULT] & 0xC000) != 0x4000) |
4dce8ba94
|
678 |
return false; |
942dcd85b
|
679 680 |
return id[ATA_ID_CFS_ENABLE_2] & (1 << 10); } |
4dce8ba94
|
681 |
static inline bool ata_id_hpa_enabled(const u16 *id) |
c7293870a
|
682 683 |
{ /* Yes children, word 83 valid bits cover word 82 data */ |
37014c640
|
684 |
if ((id[ATA_ID_COMMAND_SET_2] & 0xC000) != 0x4000) |
4dce8ba94
|
685 |
return false; |
c7293870a
|
686 |
/* And 87 covers 85-87 */ |
37014c640
|
687 |
if ((id[ATA_ID_CSF_DEFAULT] & 0xC000) != 0x4000) |
4dce8ba94
|
688 |
return false; |
c7293870a
|
689 |
/* Check command sets enabled as well as supported */ |
37014c640
|
690 |
if ((id[ATA_ID_CFS_ENABLE_1] & (1 << 10)) == 0) |
4dce8ba94
|
691 |
return false; |
37014c640
|
692 |
return id[ATA_ID_COMMAND_SET_1] & (1 << 10); |
c7293870a
|
693 |
} |
4dce8ba94
|
694 |
static inline bool ata_id_has_wcache(const u16 *id) |
c7293870a
|
695 696 |
{ /* Yes children, word 83 valid bits cover word 82 data */ |
37014c640
|
697 |
if ((id[ATA_ID_COMMAND_SET_2] & 0xC000) != 0x4000) |
4dce8ba94
|
698 |
return false; |
37014c640
|
699 |
return id[ATA_ID_COMMAND_SET_1] & (1 << 5); |
c7293870a
|
700 |
} |
4dce8ba94
|
701 |
static inline bool ata_id_has_pm(const u16 *id) |
c7293870a
|
702 |
{ |
37014c640
|
703 |
if ((id[ATA_ID_COMMAND_SET_2] & 0xC000) != 0x4000) |
4dce8ba94
|
704 |
return false; |
37014c640
|
705 |
return id[ATA_ID_COMMAND_SET_1] & (1 << 3); |
c7293870a
|
706 |
} |
4dce8ba94
|
707 |
static inline bool ata_id_rahead_enabled(const u16 *id) |
c7293870a
|
708 |
{ |
37014c640
|
709 |
if ((id[ATA_ID_CSF_DEFAULT] & 0xC000) != 0x4000) |
4dce8ba94
|
710 |
return false; |
37014c640
|
711 |
return id[ATA_ID_CFS_ENABLE_1] & (1 << 6); |
c7293870a
|
712 |
} |
4dce8ba94
|
713 |
static inline bool ata_id_wcache_enabled(const u16 *id) |
c7293870a
|
714 |
{ |
37014c640
|
715 |
if ((id[ATA_ID_CSF_DEFAULT] & 0xC000) != 0x4000) |
4dce8ba94
|
716 |
return false; |
37014c640
|
717 |
return id[ATA_ID_CFS_ENABLE_1] & (1 << 5); |
c7293870a
|
718 |
} |
9faa64385
|
719 720 |
static inline bool ata_id_has_read_log_dma_ext(const u16 *id) { |
406c057c4
|
721 |
/* Word 86 must have bit 15 set */ |
9faa64385
|
722 723 |
if (!(id[ATA_ID_CFS_ENABLE_2] & (1 << 15))) return false; |
406c057c4
|
724 725 726 727 728 729 730 731 732 733 |
/* READ LOG DMA EXT support can be signaled either from word 119 * or from word 120. The format is the same for both words: Bit * 15 must be cleared, bit 14 set and bit 3 set. */ if ((id[ATA_ID_COMMAND_SET_3] & 0xC008) == 0x4008 || (id[ATA_ID_COMMAND_SET_4] & 0xC008) == 0x4008) return true; return false; |
9faa64385
|
734 |
} |
e87fd28cf
|
735 736 737 738 739 740 741 742 743 744 745 746 747 |
static inline bool ata_id_has_sense_reporting(const u16 *id) { if (!(id[ATA_ID_CFS_ENABLE_2] & (1 << 15))) return false; return id[ATA_ID_COMMAND_SET_3] & (1 << 6); } static inline bool ata_id_sense_reporting_enabled(const u16 *id) { if (!(id[ATA_ID_CFS_ENABLE_2] & (1 << 15))) return false; return id[ATA_ID_COMMAND_SET_4] & (1 << 6); } |
c7293870a
|
748 |
/** |
7b2030942
|
749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 |
* * Word: 206 - SCT Command Transport * 15:12 - Vendor Specific * 11:6 - Reserved * 5 - SCT Command Transport Data Tables supported * 4 - SCT Command Transport Features Control supported * 3 - SCT Command Transport Error Recovery Control supported * 2 - SCT Command Transport Write Same supported * 1 - SCT Command Transport Long Sector Access supported * 0 - SCT Command Transport supported */ static inline bool ata_id_sct_data_tables(const u16 *id) { return id[ATA_ID_SCT_CMD_XPORT] & (1 << 5) ? true : false; } static inline bool ata_id_sct_features_ctrl(const u16 *id) { return id[ATA_ID_SCT_CMD_XPORT] & (1 << 4) ? true : false; } static inline bool ata_id_sct_error_recovery_ctrl(const u16 *id) { return id[ATA_ID_SCT_CMD_XPORT] & (1 << 3) ? true : false; } static inline bool ata_id_sct_write_same(const u16 *id) { return id[ATA_ID_SCT_CMD_XPORT] & (1 << 2) ? true : false; } static inline bool ata_id_sct_long_sector_access(const u16 *id) { return id[ATA_ID_SCT_CMD_XPORT] & (1 << 1) ? true : false; } static inline bool ata_id_sct_supported(const u16 *id) { return id[ATA_ID_SCT_CMD_XPORT] & (1 << 0) ? true : false; } /** |
c7293870a
|
791 792 793 794 795 796 797 798 799 |
* ata_id_major_version - get ATA level of drive * @id: Identify data * * Caveats: * ATA-1 considers identify optional * ATA-2 introduces mandatory identify * ATA-3 introduces word 80 and accurate reporting * * The practical impact of this is that ata_id_major_version cannot |
2dcb407e6
|
800 |
* reliably report on drives below ATA3. |
c7293870a
|
801 |
*/ |
3d2ca9109
|
802 803 804 |
static inline unsigned int ata_id_major_version(const u16 *id) { unsigned int mver; |
b352e57dc
|
805 806 |
if (id[ATA_ID_MAJOR_VER] == 0xFFFF) return 0; |
3d2ca9109
|
807 808 809 810 811 |
for (mver = 14; mver >= 1; mver--) if (id[ATA_ID_MAJOR_VER] & (1 << mver)) break; return mver; } |
4dce8ba94
|
812 |
static inline bool ata_id_is_sata(const u16 *id) |
32d909115
|
813 |
{ |
367d7e78d
|
814 815 816 817 818 819 820 |
/* * See if word 93 is 0 AND drive is at least ATA-5 compatible * verifying that word 80 by casting it to a signed type -- * this trick allows us to filter out the reserved values of * 0x0000 and 0xffff along with the earlier ATA revisions... */ if (id[ATA_ID_HW_CONFIG] == 0 && (short)id[ATA_ID_MAJOR_VER] >= 0x0020) |
4dce8ba94
|
821 822 |
return true; return false; |
32d909115
|
823 |
} |
4dce8ba94
|
824 |
static inline bool ata_id_has_tpm(const u16 *id) |
ae8d4ee7f
|
825 826 827 |
{ /* The TPM bits are only valid on ATA8 */ if (ata_id_major_version(id) < 8) |
4dce8ba94
|
828 |
return false; |
ae8d4ee7f
|
829 |
if ((id[48] & 0xC000) != 0x4000) |
4dce8ba94
|
830 |
return false; |
ae8d4ee7f
|
831 832 |
return id[48] & (1 << 0); } |
4dce8ba94
|
833 |
static inline bool ata_id_has_dword_io(const u16 *id) |
ae8d4ee7f
|
834 835 836 |
{ /* ATA 8 reuses this flag for "trusted" computing */ if (ata_id_major_version(id) > 7) |
4dce8ba94
|
837 838 |
return false; return id[ATA_ID_DWORD_IO] & (1 << 0); |
ae8d4ee7f
|
839 |
} |
4dce8ba94
|
840 |
static inline bool ata_id_has_unload(const u16 *id) |
ea6ce53cd
|
841 842 843 844 |
{ if (ata_id_major_version(id) >= 7 && (id[ATA_ID_CFSSE] & 0xC000) == 0x4000 && id[ATA_ID_CFSSE] & (1 << 13)) |
4dce8ba94
|
845 846 |
return true; return false; |
ea6ce53cd
|
847 |
} |
6b3b9d73e
|
848 849 850 851 |
static inline bool ata_id_has_wwn(const u16 *id) { return (id[ATA_ID_CSF_DEFAULT] & 0xC100) == 0x4100; } |
4bca32864
|
852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 |
static inline int ata_id_form_factor(const u16 *id) { u16 val = id[168]; if (ata_id_major_version(id) < 7 || val == 0 || val == 0xffff) return 0; val &= 0xf; if (val > 5) return 0; return val; } static inline int ata_id_rotation_rate(const u16 *id) { u16 val = id[217]; if (ata_id_major_version(id) < 7 || val == 0 || val == 0xffff) return 0; if (val > 1 && val < 0x401) return 0; return val; } |
ed36911c7
|
879 880 881 882 |
static inline bool ata_id_has_ncq_send_and_recv(const u16 *id) { return id[ATA_ID_SATA_CAPABILITY_2] & BIT(6); } |
284b3b77e
|
883 884 885 886 |
static inline bool ata_id_has_ncq_non_data(const u16 *id) { return id[ATA_ID_SATA_CAPABILITY_2] & BIT(5); } |
4dce8ba94
|
887 |
static inline bool ata_id_has_trim(const u16 *id) |
0c659b82d
|
888 889 890 |
{ if (ata_id_major_version(id) >= 7 && (id[ATA_ID_DATA_SET_MGMT] & 1)) |
4dce8ba94
|
891 892 |
return true; return false; |
0c659b82d
|
893 |
} |
4dce8ba94
|
894 |
static inline bool ata_id_has_zero_after_trim(const u16 *id) |
e78db4dfb
|
895 896 897 898 |
{ /* DSM supported, deterministic read, and read zero after trim set */ if (ata_id_has_trim(id) && (id[ATA_ID_ADDITIONAL_SUPP] & 0x4020) == 0x4020) |
4dce8ba94
|
899 |
return true; |
e78db4dfb
|
900 |
|
4dce8ba94
|
901 |
return false; |
e78db4dfb
|
902 |
} |
4dce8ba94
|
903 |
static inline bool ata_id_current_chs_valid(const u16 *id) |
8bf62ecee
|
904 |
{ |
9bec2e385
|
905 906 |
/* For ATA-1 devices, if the INITIALIZE DEVICE PARAMETERS command has not been issued to the device then the values of |
37014c640
|
907 908 909 910 911 912 |
id[ATA_ID_CUR_CYLS] to id[ATA_ID_CUR_SECTORS] are vendor specific. */ return (id[ATA_ID_FIELD_VALID] & 1) && /* Current translation valid */ id[ATA_ID_CUR_CYLS] && /* cylinders in current translation */ id[ATA_ID_CUR_HEADS] && /* heads in current translation */ id[ATA_ID_CUR_HEADS] <= 16 && id[ATA_ID_CUR_SECTORS]; /* sectors in current translation */ |
8bf62ecee
|
913 |
} |
4dce8ba94
|
914 |
static inline bool ata_id_is_cfa(const u16 *id) |
b352e57dc
|
915 |
{ |
4b7d1c050
|
916 917 |
if ((id[ATA_ID_CONFIG] == 0x848A) || /* Traditional CF */ (id[ATA_ID_CONFIG] == 0x844A)) /* Delkin Devices CF */ |
4dce8ba94
|
918 |
return true; |
2999b58b7
|
919 920 921 922 923 924 925 926 |
/* * CF specs don't require specific value in the word 0 anymore and yet * they forbid to report the ATA version in the word 80 and require the * CFA feature set support to be indicated in the word 83 in this case. * Unfortunately, some cards only follow either of this requirements, * and while those that don't indicate CFA feature support need some * sort of quirk list, it seems impractical for the ones that do... */ |
4dce8ba94
|
927 |
return (id[ATA_ID_COMMAND_SET_2] & 0xC004) == 0x4004; |
b352e57dc
|
928 |
} |
4dce8ba94
|
929 |
static inline bool ata_id_is_ssd(const u16 *id) |
8bff7c6b0
|
930 931 932 |
{ return id[ATA_ID_ROT_SPEED] == 0x01; } |
856c46639
|
933 934 935 936 |
static inline u8 ata_id_zoned_cap(const u16 *id) { return (id[ATA_ID_ADDITIONAL_SUPP] & 0x3); } |
4dce8ba94
|
937 |
static inline bool ata_id_pio_need_iordy(const u16 *id, const u8 pio) |
6dae44f9a
|
938 939 940 |
{ /* CF spec. r4.1 Table 22 says no IORDY on PIO5 and PIO6. */ if (pio > 4 && ata_id_is_cfa(id)) |
4dce8ba94
|
941 |
return false; |
6dae44f9a
|
942 943 |
/* For PIO3 and higher it is mandatory. */ if (pio > 2) |
4dce8ba94
|
944 |
return true; |
6dae44f9a
|
945 |
/* Turn it on when possible. */ |
4dce8ba94
|
946 |
return ata_id_has_iordy(id); |
6dae44f9a
|
947 |
} |
4dce8ba94
|
948 |
static inline bool ata_drive_40wire(const u16 *dev_id) |
fc085150b
|
949 |
{ |
32d909115
|
950 |
if (ata_id_is_sata(dev_id)) |
4dce8ba94
|
951 |
return false; /* SATA */ |
37014c640
|
952 |
if ((dev_id[ATA_ID_HW_CONFIG] & 0xE000) == 0x6000) |
4dce8ba94
|
953 954 |
return false; /* 80 wire */ return true; |
fc085150b
|
955 |
} |
4dce8ba94
|
956 |
static inline bool ata_drive_40wire_relaxed(const u16 *dev_id) |
6bbfd53d4
|
957 |
{ |
37014c640
|
958 |
if ((dev_id[ATA_ID_HW_CONFIG] & 0x2000) == 0x2000) |
4dce8ba94
|
959 960 |
return false; /* 80 wire */ return true; |
6bbfd53d4
|
961 |
} |
057ace5e7
|
962 |
static inline int atapi_cdb_len(const u16 *dev_id) |
1da177e4c
|
963 |
{ |
37014c640
|
964 |
u16 tmp = dev_id[ATA_ID_CONFIG] & 0x3; |
1da177e4c
|
965 966 967 968 969 970 |
switch (tmp) { case 0: return 12; case 1: return 16; default: return -1; } } |
d8668fcb0
|
971 |
static inline int atapi_command_packet_set(const u16 *dev_id) |
f8d8e5799
|
972 |
{ |
37014c640
|
973 |
return (dev_id[ATA_ID_CONFIG] >> 8) & 0x1f; |
f8d8e5799
|
974 |
} |
4dce8ba94
|
975 |
static inline bool atapi_id_dmadir(const u16 *dev_id) |
911630063
|
976 977 978 |
{ return ata_id_major_version(dev_id) >= 7 && (dev_id[62] & 0x8000); } |
a02227c97
|
979 980 981 982 983 984 985 986 |
/* * ata_id_is_lba_capacity_ok() performs a sanity check on * the claimed LBA capacity value for the device. * * Returns 1 if LBA capacity looks sensible, 0 otherwise. * * It is called only once for each device. */ |
4dce8ba94
|
987 |
static inline bool ata_id_is_lba_capacity_ok(u16 *id) |
a02227c97
|
988 989 990 991 992 |
{ unsigned long lba_sects, chs_sects, head, tail; /* No non-LBA info .. so valid! */ if (id[ATA_ID_CYLS] == 0) |
4dce8ba94
|
993 |
return true; |
a02227c97
|
994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 |
lba_sects = ata_id_u32(id, ATA_ID_LBA_CAPACITY); /* * The ATA spec tells large drives to return * C/H/S = 16383/16/63 independent of their size. * Some drives can be jumpered to use 15 heads instead of 16. * Some drives can be jumpered to use 4092 cyls instead of 16383. */ if ((id[ATA_ID_CYLS] == 16383 || (id[ATA_ID_CYLS] == 4092 && id[ATA_ID_CUR_CYLS] == 16383)) && id[ATA_ID_SECTORS] == 63 && (id[ATA_ID_HEADS] == 15 || id[ATA_ID_HEADS] == 16) && (lba_sects >= 16383 * 63 * id[ATA_ID_HEADS])) |
4dce8ba94
|
1008 |
return true; |
a02227c97
|
1009 1010 1011 1012 1013 |
chs_sects = id[ATA_ID_CYLS] * id[ATA_ID_HEADS] * id[ATA_ID_SECTORS]; /* perform a rough sanity check on lba_sects: within 10% is OK */ if (lba_sects - chs_sects < chs_sects/10) |
4dce8ba94
|
1014 |
return true; |
a02227c97
|
1015 1016 1017 1018 1019 1020 1021 1022 |
/* some drives have the word order reversed */ head = (lba_sects >> 16) & 0xffff; tail = lba_sects & 0xffff; lba_sects = head | (tail << 16); if (lba_sects - chs_sects < chs_sects/10) { *(__le32 *)&id[ATA_ID_LBA_CAPACITY] = __cpu_to_le32(lba_sects); |
4dce8ba94
|
1023 |
return true; /* LBA capacity is (now) good */ |
a02227c97
|
1024 |
} |
4dce8ba94
|
1025 |
return false; /* LBA capacity value may be bad */ |
a02227c97
|
1026 |
} |
93734a234
|
1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 |
static inline void ata_id_to_hd_driveid(u16 *id) { #ifdef __BIG_ENDIAN /* accessed in struct hd_driveid as 8-bit values */ id[ATA_ID_MAX_MULTSECT] = __cpu_to_le16(id[ATA_ID_MAX_MULTSECT]); id[ATA_ID_CAPABILITY] = __cpu_to_le16(id[ATA_ID_CAPABILITY]); id[ATA_ID_OLD_PIO_MODES] = __cpu_to_le16(id[ATA_ID_OLD_PIO_MODES]); id[ATA_ID_OLD_DMA_MODES] = __cpu_to_le16(id[ATA_ID_OLD_DMA_MODES]); id[ATA_ID_MULTSECT] = __cpu_to_le16(id[ATA_ID_MULTSECT]); /* as 32-bit values */ *(u32 *)&id[ATA_ID_LBA_CAPACITY] = ata_id_u32(id, ATA_ID_LBA_CAPACITY); *(u32 *)&id[ATA_ID_SPG] = ata_id_u32(id, ATA_ID_SPG); /* as 64-bit value */ *(u64 *)&id[ATA_ID_LBA_CAPACITY_2] = ata_id_u64(id, ATA_ID_LBA_CAPACITY_2); #endif } |
4dce8ba94
|
1046 |
static inline bool ata_ok(u8 status) |
1da177e4c
|
1047 1048 1049 1050 |
{ return ((status & (ATA_BUSY | ATA_DRDY | ATA_DF | ATA_DRQ | ATA_ERR)) == ATA_DRDY); } |
4dce8ba94
|
1051 |
static inline bool lba_28_ok(u64 block, u32 n_block) |
c6a33e246
|
1052 |
{ |
45c4d015a
|
1053 |
/* check the ending block number: must be LESS THAN 0x0fffffff */ |
35303d5c3
|
1054 |
return ((block + n_block) < ((1 << 28) - 1)) && (n_block <= ATA_MAX_SECTORS); |
c6a33e246
|
1055 |
} |
4dce8ba94
|
1056 |
static inline bool lba_48_ok(u64 block, u32 n_block) |
c6a33e246
|
1057 1058 |
{ /* check the ending block number */ |
35303d5c3
|
1059 |
return ((block + n_block - 1) < ((u64)1 << 48)) && (n_block <= ATA_MAX_SECTORS_LBA48); |
c6a33e246
|
1060 |
} |
814600ee1
|
1061 1062 1063 1064 |
#define sata_pmp_gscr_vendor(gscr) ((gscr)[SATA_PMP_GSCR_PROD_ID] & 0xffff) #define sata_pmp_gscr_devid(gscr) ((gscr)[SATA_PMP_GSCR_PROD_ID] >> 16) #define sata_pmp_gscr_rev(gscr) (((gscr)[SATA_PMP_GSCR_REV] >> 8) & 0xff) #define sata_pmp_gscr_ports(gscr) ((gscr)[SATA_PMP_GSCR_PORT_INFO] & 0xf) |
1da177e4c
|
1065 |
#endif /* __LINUX_ATA_H__ */ |