mirror of https://github.com/Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
1140 lines
32 KiB
1140 lines
32 KiB
/* SPDX-License-Identifier: GPL-2.0-or-later */ |
|
|
|
/* |
|
* Copyright 2003-2004 Red Hat, Inc. All rights reserved. |
|
* Copyright 2003-2004 Jeff Garzik |
|
* |
|
* libata documentation is available via 'make {ps|pdf}docs', |
|
* as Documentation/driver-api/libata.rst |
|
* |
|
* Hardware documentation available from http://www.t13.org/ |
|
*/ |
|
|
|
#ifndef __LINUX_ATA_H__ |
|
#define __LINUX_ATA_H__ |
|
|
|
#include <linux/kernel.h> |
|
#include <linux/string.h> |
|
#include <linux/types.h> |
|
#include <asm/byteorder.h> |
|
|
|
/* 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, |
|
ATA_MAX_SECTORS_128 = 128, |
|
ATA_MAX_SECTORS = 256, |
|
ATA_MAX_SECTORS_1024 = 1024, |
|
ATA_MAX_SECTORS_LBA48 = 65535,/* avoid count to be 0000h */ |
|
ATA_MAX_SECTORS_TAPE = 65535, |
|
ATA_MAX_TRIM_RNUM = 64, /* 512-byte payload / (6-byte LBA + 2-byte range per entry) */ |
|
|
|
ATA_ID_WORDS = 256, |
|
ATA_ID_CONFIG = 0, |
|
ATA_ID_CYLS = 1, |
|
ATA_ID_HEADS = 3, |
|
ATA_ID_SECTORS = 6, |
|
ATA_ID_SERNO = 10, |
|
ATA_ID_BUF_SIZE = 21, |
|
ATA_ID_FW_REV = 23, |
|
ATA_ID_PROD = 27, |
|
ATA_ID_MAX_MULTSECT = 47, |
|
ATA_ID_DWORD_IO = 48, /* before ATA-8 */ |
|
ATA_ID_TRUSTED = 48, /* ATA-8 and later */ |
|
ATA_ID_CAPABILITY = 49, |
|
ATA_ID_OLD_PIO_MODES = 51, |
|
ATA_ID_OLD_DMA_MODES = 52, |
|
ATA_ID_FIELD_VALID = 53, |
|
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, |
|
ATA_ID_MWDMA_MODES = 63, |
|
ATA_ID_PIO_MODES = 64, |
|
ATA_ID_EIDE_DMA_MIN = 65, |
|
ATA_ID_EIDE_DMA_TIME = 66, |
|
ATA_ID_EIDE_PIO = 67, |
|
ATA_ID_EIDE_PIO_IORDY = 68, |
|
ATA_ID_ADDITIONAL_SUPP = 69, |
|
ATA_ID_QUEUE_DEPTH = 75, |
|
ATA_ID_SATA_CAPABILITY = 76, |
|
ATA_ID_SATA_CAPABILITY_2 = 77, |
|
ATA_ID_FEATURE_SUPP = 78, |
|
ATA_ID_MAJOR_VER = 80, |
|
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, |
|
ATA_ID_SECTOR_SIZE = 106, |
|
ATA_ID_WWN = 108, |
|
ATA_ID_LOGICAL_SECTOR_SIZE = 117, /* and 118 */ |
|
ATA_ID_COMMAND_SET_3 = 119, |
|
ATA_ID_COMMAND_SET_4 = 120, |
|
ATA_ID_LAST_LUN = 126, |
|
ATA_ID_DLF = 128, |
|
ATA_ID_CSFO = 129, |
|
ATA_ID_CFA_POWER = 160, |
|
ATA_ID_CFA_KEY_MGMT = 162, |
|
ATA_ID_CFA_MODES = 163, |
|
ATA_ID_DATA_SET_MGMT = 169, |
|
ATA_ID_SCT_CMD_XPORT = 206, |
|
ATA_ID_ROT_SPEED = 217, |
|
ATA_ID_PIO4 = (1 << 1), |
|
|
|
ATA_ID_SERNO_LEN = 20, |
|
ATA_ID_FW_REV_LEN = 8, |
|
ATA_ID_PROD_LEN = 40, |
|
ATA_ID_WWN_LEN = 8, |
|
|
|
ATA_PCI_CTL_OFS = 2, |
|
|
|
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), |
|
|
|
ATA_PIO4_ONLY = (1 << 4), |
|
|
|
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), |
|
ATA_MWDMA3 = ATA_MWDMA2 | (1 << 3), |
|
ATA_MWDMA4 = ATA_MWDMA3 | (1 << 4), |
|
|
|
ATA_MWDMA12_ONLY = (1 << 1) | (1 << 2), |
|
ATA_MWDMA2_ONLY = (1 << 2), |
|
|
|
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?). */ |
|
|
|
ATA_UDMA24_ONLY = (1 << 2) | (1 << 4), |
|
|
|
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 */ |
|
ATA_DSC = (1 << 4), /* drive seek complete */ |
|
ATA_DRQ = (1 << 3), /* data request i/o */ |
|
ATA_CORR = (1 << 2), /* corrected data error */ |
|
ATA_SENSE = (1 << 1), /* sense code available */ |
|
ATA_ERR = (1 << 0), /* have an error */ |
|
ATA_SRST = (1 << 2), /* software reset */ |
|
ATA_ICRC = (1 << 7), /* interface CRC error */ |
|
ATA_BBK = ATA_ICRC, /* pre-EIDE: block marked bad */ |
|
ATA_UNC = (1 << 6), /* uncorrectable media error */ |
|
ATA_MC = (1 << 5), /* media changed */ |
|
ATA_IDNF = (1 << 4), /* ID not found */ |
|
ATA_MCR = (1 << 3), /* media change requested */ |
|
ATA_ABORTED = (1 << 2), /* command aborted */ |
|
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), |
|
|
|
/* 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 */ |
|
ATA_CMD_DEV_RESET = 0x08, /* ATAPI device reset */ |
|
ATA_CMD_CHK_POWER = 0xE5, /* check power mode */ |
|
ATA_CMD_STANDBY = 0xE2, /* place in standby power mode */ |
|
ATA_CMD_IDLE = 0xE3, /* place in idle power mode */ |
|
ATA_CMD_EDD = 0x90, /* execute device diagnostic */ |
|
ATA_CMD_DOWNLOAD_MICRO = 0x92, |
|
ATA_CMD_DOWNLOAD_MICRO_DMA = 0x93, |
|
ATA_CMD_NOP = 0x00, |
|
ATA_CMD_FLUSH = 0xE7, |
|
ATA_CMD_FLUSH_EXT = 0xEA, |
|
ATA_CMD_ID_ATA = 0xEC, |
|
ATA_CMD_ID_ATAPI = 0xA1, |
|
ATA_CMD_SERVICE = 0xA2, |
|
ATA_CMD_READ = 0xC8, |
|
ATA_CMD_READ_EXT = 0x25, |
|
ATA_CMD_READ_QUEUED = 0x26, |
|
ATA_CMD_READ_STREAM_EXT = 0x2B, |
|
ATA_CMD_READ_STREAM_DMA_EXT = 0x2A, |
|
ATA_CMD_WRITE = 0xCA, |
|
ATA_CMD_WRITE_EXT = 0x35, |
|
ATA_CMD_WRITE_QUEUED = 0x36, |
|
ATA_CMD_WRITE_STREAM_EXT = 0x3B, |
|
ATA_CMD_WRITE_STREAM_DMA_EXT = 0x3A, |
|
ATA_CMD_WRITE_FUA_EXT = 0x3D, |
|
ATA_CMD_WRITE_QUEUED_FUA_EXT = 0x3E, |
|
ATA_CMD_FPDMA_READ = 0x60, |
|
ATA_CMD_FPDMA_WRITE = 0x61, |
|
ATA_CMD_NCQ_NON_DATA = 0x63, |
|
ATA_CMD_FPDMA_SEND = 0x64, |
|
ATA_CMD_FPDMA_RECV = 0x65, |
|
ATA_CMD_PIO_READ = 0x20, |
|
ATA_CMD_PIO_READ_EXT = 0x24, |
|
ATA_CMD_PIO_WRITE = 0x30, |
|
ATA_CMD_PIO_WRITE_EXT = 0x34, |
|
ATA_CMD_READ_MULTI = 0xC4, |
|
ATA_CMD_READ_MULTI_EXT = 0x29, |
|
ATA_CMD_WRITE_MULTI = 0xC5, |
|
ATA_CMD_WRITE_MULTI_EXT = 0x39, |
|
ATA_CMD_WRITE_MULTI_FUA_EXT = 0xCE, |
|
ATA_CMD_SET_FEATURES = 0xEF, |
|
ATA_CMD_SET_MULTI = 0xC6, |
|
ATA_CMD_PACKET = 0xA0, |
|
ATA_CMD_VERIFY = 0x40, |
|
ATA_CMD_VERIFY_EXT = 0x42, |
|
ATA_CMD_WRITE_UNCORR_EXT = 0x45, |
|
ATA_CMD_STANDBYNOW1 = 0xE0, |
|
ATA_CMD_IDLEIMMEDIATE = 0xE1, |
|
ATA_CMD_SLEEP = 0xE6, |
|
ATA_CMD_INIT_DEV_PARAMS = 0x91, |
|
ATA_CMD_READ_NATIVE_MAX = 0xF8, |
|
ATA_CMD_READ_NATIVE_MAX_EXT = 0x27, |
|
ATA_CMD_SET_MAX = 0xF9, |
|
ATA_CMD_SET_MAX_EXT = 0x37, |
|
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, |
|
ATA_CMD_TRUSTED_NONDATA = 0x5B, |
|
ATA_CMD_TRUSTED_RCV = 0x5C, |
|
ATA_CMD_TRUSTED_RCV_DMA = 0x5D, |
|
ATA_CMD_TRUSTED_SND = 0x5E, |
|
ATA_CMD_TRUSTED_SND_DMA = 0x5F, |
|
ATA_CMD_PMP_READ = 0xE4, |
|
ATA_CMD_PMP_READ_DMA = 0xE9, |
|
ATA_CMD_PMP_WRITE = 0xE8, |
|
ATA_CMD_PMP_WRITE_DMA = 0xEB, |
|
ATA_CMD_CONF_OVERLAY = 0xB1, |
|
ATA_CMD_SEC_SET_PASS = 0xF1, |
|
ATA_CMD_SEC_UNLOCK = 0xF2, |
|
ATA_CMD_SEC_ERASE_PREP = 0xF3, |
|
ATA_CMD_SEC_ERASE_UNIT = 0xF4, |
|
ATA_CMD_SEC_FREEZE_LOCK = 0xF5, |
|
ATA_CMD_SEC_DISABLE_PASS = 0xF6, |
|
ATA_CMD_CONFIG_STREAM = 0x51, |
|
ATA_CMD_SMART = 0xB0, |
|
ATA_CMD_MEDIA_LOCK = 0xDE, |
|
ATA_CMD_MEDIA_UNLOCK = 0xDF, |
|
ATA_CMD_DSM = 0x06, |
|
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, |
|
ATA_CMD_REQ_SENSE_DATA = 0x0B, |
|
ATA_CMD_SANITIZE_DEVICE = 0xB4, |
|
ATA_CMD_ZAC_MGMT_IN = 0x4A, |
|
ATA_CMD_ZAC_MGMT_OUT = 0x9F, |
|
|
|
/* marked obsolete in the ATA/ATAPI-7 spec */ |
|
ATA_CMD_RESTORE = 0x10, |
|
|
|
/* Subcmds for ATA_CMD_FPDMA_RECV */ |
|
ATA_SUBCMD_FPDMA_RECV_RD_LOG_DMA_EXT = 0x01, |
|
ATA_SUBCMD_FPDMA_RECV_ZAC_MGMT_IN = 0x02, |
|
|
|
/* Subcmds for ATA_CMD_FPDMA_SEND */ |
|
ATA_SUBCMD_FPDMA_SEND_DSM = 0x00, |
|
ATA_SUBCMD_FPDMA_SEND_WR_LOG_DMA_EXT = 0x02, |
|
|
|
/* 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, |
|
ATA_SUBCMD_NCQ_NON_DATA_ZAC_MGMT_OUT = 0x07, |
|
|
|
/* Subcmds for ATA_CMD_ZAC_MGMT_IN */ |
|
ATA_SUBCMD_ZAC_MGMT_IN_REPORT_ZONES = 0x00, |
|
|
|
/* 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, |
|
|
|
/* READ_LOG_EXT pages */ |
|
ATA_LOG_DIRECTORY = 0x0, |
|
ATA_LOG_SATA_NCQ = 0x10, |
|
ATA_LOG_NCQ_NON_DATA = 0x12, |
|
ATA_LOG_NCQ_SEND_RECV = 0x13, |
|
ATA_LOG_IDENTIFY_DEVICE = 0x30, |
|
|
|
/* Identify device log pages: */ |
|
ATA_LOG_SECURITY = 0x06, |
|
ATA_LOG_SATA_SETTINGS = 0x08, |
|
ATA_LOG_ZONED_INFORMATION = 0x09, |
|
|
|
/* Identify device SATA settings log:*/ |
|
ATA_LOG_DEVSLP_OFFSET = 0x30, |
|
ATA_LOG_DEVSLP_SIZE = 0x08, |
|
ATA_LOG_DEVSLP_MDAT = 0x00, |
|
ATA_LOG_DEVSLP_MDAT_MASK = 0x1F, |
|
ATA_LOG_DEVSLP_DETO = 0x01, |
|
ATA_LOG_DEVSLP_VALID = 0x07, |
|
ATA_LOG_DEVSLP_VALID_MASK = 0x80, |
|
ATA_LOG_NCQ_PRIO_OFFSET = 0x09, |
|
|
|
/* 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, |
|
ATA_LOG_NCQ_SEND_RECV_RD_LOG_SUPPORTED = (1 << 0), |
|
ATA_LOG_NCQ_SEND_RECV_WR_LOG_OFFSET = 0x0C, |
|
ATA_LOG_NCQ_SEND_RECV_WR_LOG_SUPPORTED = (1 << 0), |
|
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, |
|
|
|
/* 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, |
|
|
|
/* 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, |
|
|
|
/* 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, |
|
XFER_MW_DMA_4 = 0x24, /* CFA only */ |
|
XFER_MW_DMA_3 = 0x23, /* CFA only */ |
|
XFER_MW_DMA_2 = 0x22, |
|
XFER_MW_DMA_1 = 0x21, |
|
XFER_MW_DMA_0 = 0x20, |
|
XFER_SW_DMA_2 = 0x12, |
|
XFER_SW_DMA_1 = 0x11, |
|
XFER_SW_DMA_0 = 0x10, |
|
XFER_PIO_6 = 0x0E, /* CFA only */ |
|
XFER_PIO_5 = 0x0D, /* CFA only */ |
|
XFER_PIO_4 = 0x0C, |
|
XFER_PIO_3 = 0x0B, |
|
XFER_PIO_2 = 0x0A, |
|
XFER_PIO_1 = 0x09, |
|
XFER_PIO_0 = 0x08, |
|
XFER_PIO_SLOW = 0x00, |
|
|
|
SETFEATURES_WC_ON = 0x02, /* Enable write cache */ |
|
SETFEATURES_WC_OFF = 0x82, /* Disable write cache */ |
|
|
|
SETFEATURES_RA_ON = 0xaa, /* Enable read look-ahead */ |
|
SETFEATURES_RA_OFF = 0x55, /* Disable read look-ahead */ |
|
|
|
/* Enable/Disable Automatic Acoustic Management */ |
|
SETFEATURES_AAM_ON = 0x42, |
|
SETFEATURES_AAM_OFF = 0xC2, |
|
|
|
SETFEATURES_SPINUP = 0x07, /* Spin-up drive */ |
|
SETFEATURES_SPINUP_TIMEOUT = 30000, /* 30s timeout for drive spin-up from PUIS */ |
|
|
|
SETFEATURES_SATA_ENABLE = 0x10, /* Enable use of SATA feature */ |
|
SETFEATURES_SATA_DISABLE = 0x90, /* Disable use of SATA feature */ |
|
|
|
/* SETFEATURE Sector counts for SATA features */ |
|
SATA_FPDMA_OFFSET = 0x01, /* FPDMA non-zero buffer offsets */ |
|
SATA_FPDMA_AA = 0x02, /* FPDMA Setup FIS Auto-Activate */ |
|
SATA_DIPM = 0x03, /* Device Initiated Power Management */ |
|
SATA_FPDMA_IN_ORDER = 0x04, /* FPDMA in-order data delivery */ |
|
SATA_AN = 0x05, /* Asynchronous Notification */ |
|
SATA_SSP = 0x06, /* Software Settings Preservation */ |
|
SATA_DEVSLP = 0x09, /* Device Sleep */ |
|
|
|
SETFEATURE_SENSE_DATA = 0xC3, /* Sense Data Reporting feature */ |
|
|
|
/* 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, |
|
ATA_SET_MAX_PASSWD_DMA = 0x05, |
|
ATA_SET_MAX_UNLOCK_DMA = 0x06, |
|
|
|
/* feature values for DEVICE CONFIGURATION OVERLAY */ |
|
ATA_DCO_RESTORE = 0xC0, |
|
ATA_DCO_FREEZE_LOCK = 0xC1, |
|
ATA_DCO_IDENTIFY = 0xC2, |
|
ATA_DCO_SET = 0xC3, |
|
|
|
/* feature values for SMART */ |
|
ATA_SMART_ENABLE = 0xD8, |
|
ATA_SMART_READ_VALUES = 0xD0, |
|
ATA_SMART_READ_THRESHOLDS = 0xD1, |
|
|
|
/* feature values for Data Set Management */ |
|
ATA_DSM_TRIM = 0x01, |
|
|
|
/* password used in LBA Mid / LBA High for executing SMART commands */ |
|
ATA_SMART_LBAM_PASS = 0x4F, |
|
ATA_SMART_LBAH_PASS = 0xC2, |
|
|
|
/* ATAPI stuff */ |
|
ATAPI_PKT_DMA = (1 << 0), |
|
ATAPI_DMADIR = (1 << 2), /* ATAPI data dir: |
|
0=to device, 1=to host */ |
|
ATAPI_CDB_LEN = 16, |
|
|
|
/* 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), |
|
|
|
/* cable types */ |
|
ATA_CBL_NONE = 0, |
|
ATA_CBL_PATA40 = 1, |
|
ATA_CBL_PATA80 = 2, |
|
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, |
|
|
|
/* SATA Status and Control Registers */ |
|
SCR_STATUS = 0, |
|
SCR_ERROR = 1, |
|
SCR_CONTROL = 2, |
|
SCR_ACTIVE = 3, |
|
SCR_NOTIFICATION = 4, |
|
|
|
/* 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 */ |
|
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 */ |
|
SERR_DEV_XCHG = (1 << 26), /* device exchanged */ |
|
}; |
|
|
|
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, |
|
}; |
|
|
|
enum ata_ioctls { |
|
ATA_IOC_GET_IO32 = 0x309, /* HDIO_GET_32BIT */ |
|
ATA_IOC_SET_IO32 = 0x324, /* HDIO_SET_32BIT */ |
|
}; |
|
|
|
/* core structures */ |
|
|
|
struct ata_bmdma_prd { |
|
__le32 addr; |
|
__le32 flags_len; |
|
}; |
|
|
|
/* |
|
* id tests |
|
*/ |
|
#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)) |
|
#define ata_id_has_ncq(id) ((id)[ATA_ID_SATA_CAPABILITY] & (1 << 8)) |
|
#define ata_id_queue_depth(id) (((id)[ATA_ID_QUEUE_DEPTH] & 0x1f) + 1) |
|
#define ata_id_removable(id) ((id)[ATA_ID_CONFIG] & (1 << 7)) |
|
#define ata_id_has_atapi_AN(id) \ |
|
((((id)[ATA_ID_SATA_CAPABILITY] != 0x0000) && \ |
|
((id)[ATA_ID_SATA_CAPABILITY] != 0xffff)) && \ |
|
((id)[ATA_ID_FEATURE_SUPP] & (1 << 5))) |
|
#define ata_id_has_fpdma_aa(id) \ |
|
((((id)[ATA_ID_SATA_CAPABILITY] != 0x0000) && \ |
|
((id)[ATA_ID_SATA_CAPABILITY] != 0xffff)) && \ |
|
((id)[ATA_ID_FEATURE_SUPP] & (1 << 2))) |
|
#define ata_id_iordy_disable(id) ((id)[ATA_ID_CAPABILITY] & (1 << 10)) |
|
#define ata_id_has_iordy(id) ((id)[ATA_ID_CAPABILITY] & (1 << 11)) |
|
#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]) ) |
|
|
|
#define ata_id_cdb_intr(id) (((id)[ATA_ID_CONFIG] & 0x60) == 0x20) |
|
#define ata_id_has_da(id) ((id)[ATA_ID_SATA_CAPABILITY_2] & (1 << 4)) |
|
#define ata_id_has_devslp(id) ((id)[ATA_ID_FEATURE_SUPP] & (1 << 8)) |
|
#define ata_id_has_ncq_autosense(id) \ |
|
((id)[ATA_ID_FEATURE_SUPP] & (1 << 7)) |
|
|
|
static inline bool ata_id_has_hipm(const u16 *id) |
|
{ |
|
u16 val = id[ATA_ID_SATA_CAPABILITY]; |
|
|
|
if (val == 0 || val == 0xffff) |
|
return false; |
|
|
|
return val & (1 << 9); |
|
} |
|
|
|
static inline bool ata_id_has_dipm(const u16 *id) |
|
{ |
|
u16 val = id[ATA_ID_FEATURE_SUPP]; |
|
|
|
if (val == 0 || val == 0xffff) |
|
return false; |
|
|
|
return val & (1 << 3); |
|
} |
|
|
|
|
|
static inline bool ata_id_has_fua(const u16 *id) |
|
{ |
|
if ((id[ATA_ID_CFSSE] & 0xC000) != 0x4000) |
|
return false; |
|
return id[ATA_ID_CFSSE] & (1 << 6); |
|
} |
|
|
|
static inline bool ata_id_has_flush(const u16 *id) |
|
{ |
|
if ((id[ATA_ID_COMMAND_SET_2] & 0xC000) != 0x4000) |
|
return false; |
|
return id[ATA_ID_COMMAND_SET_2] & (1 << 12); |
|
} |
|
|
|
static inline bool ata_id_flush_enabled(const u16 *id) |
|
{ |
|
if (ata_id_has_flush(id) == 0) |
|
return false; |
|
if ((id[ATA_ID_CSF_DEFAULT] & 0xC000) != 0x4000) |
|
return false; |
|
return id[ATA_ID_CFS_ENABLE_2] & (1 << 12); |
|
} |
|
|
|
static inline bool ata_id_has_flush_ext(const u16 *id) |
|
{ |
|
if ((id[ATA_ID_COMMAND_SET_2] & 0xC000) != 0x4000) |
|
return false; |
|
return id[ATA_ID_COMMAND_SET_2] & (1 << 13); |
|
} |
|
|
|
static inline bool ata_id_flush_ext_enabled(const u16 *id) |
|
{ |
|
if (ata_id_has_flush_ext(id) == 0) |
|
return false; |
|
if ((id[ATA_ID_CSF_DEFAULT] & 0xC000) != 0x4000) |
|
return false; |
|
/* |
|
* some Maxtor disks have bit 13 defined incorrectly |
|
* so check bit 10 too |
|
*/ |
|
return (id[ATA_ID_CFS_ENABLE_2] & 0x2400) == 0x2400; |
|
} |
|
|
|
static inline u32 ata_id_logical_sector_size(const u16 *id) |
|
{ |
|
/* 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; |
|
} |
|
|
|
/* 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) |
|
{ |
|
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; |
|
} |
|
|
|
static inline bool ata_id_has_lba48(const u16 *id) |
|
{ |
|
if ((id[ATA_ID_COMMAND_SET_2] & 0xC000) != 0x4000) |
|
return false; |
|
if (!ata_id_u64(id, ATA_ID_LBA_CAPACITY_2)) |
|
return false; |
|
return id[ATA_ID_COMMAND_SET_2] & (1 << 10); |
|
} |
|
|
|
static inline bool ata_id_lba48_enabled(const u16 *id) |
|
{ |
|
if (ata_id_has_lba48(id) == 0) |
|
return false; |
|
if ((id[ATA_ID_CSF_DEFAULT] & 0xC000) != 0x4000) |
|
return false; |
|
return id[ATA_ID_CFS_ENABLE_2] & (1 << 10); |
|
} |
|
|
|
static inline bool ata_id_hpa_enabled(const u16 *id) |
|
{ |
|
/* Yes children, word 83 valid bits cover word 82 data */ |
|
if ((id[ATA_ID_COMMAND_SET_2] & 0xC000) != 0x4000) |
|
return false; |
|
/* And 87 covers 85-87 */ |
|
if ((id[ATA_ID_CSF_DEFAULT] & 0xC000) != 0x4000) |
|
return false; |
|
/* Check command sets enabled as well as supported */ |
|
if ((id[ATA_ID_CFS_ENABLE_1] & (1 << 10)) == 0) |
|
return false; |
|
return id[ATA_ID_COMMAND_SET_1] & (1 << 10); |
|
} |
|
|
|
static inline bool ata_id_has_wcache(const u16 *id) |
|
{ |
|
/* Yes children, word 83 valid bits cover word 82 data */ |
|
if ((id[ATA_ID_COMMAND_SET_2] & 0xC000) != 0x4000) |
|
return false; |
|
return id[ATA_ID_COMMAND_SET_1] & (1 << 5); |
|
} |
|
|
|
static inline bool ata_id_has_pm(const u16 *id) |
|
{ |
|
if ((id[ATA_ID_COMMAND_SET_2] & 0xC000) != 0x4000) |
|
return false; |
|
return id[ATA_ID_COMMAND_SET_1] & (1 << 3); |
|
} |
|
|
|
static inline bool ata_id_rahead_enabled(const u16 *id) |
|
{ |
|
if ((id[ATA_ID_CSF_DEFAULT] & 0xC000) != 0x4000) |
|
return false; |
|
return id[ATA_ID_CFS_ENABLE_1] & (1 << 6); |
|
} |
|
|
|
static inline bool ata_id_wcache_enabled(const u16 *id) |
|
{ |
|
if ((id[ATA_ID_CSF_DEFAULT] & 0xC000) != 0x4000) |
|
return false; |
|
return id[ATA_ID_CFS_ENABLE_1] & (1 << 5); |
|
} |
|
|
|
static inline bool ata_id_has_read_log_dma_ext(const u16 *id) |
|
{ |
|
/* Word 86 must have bit 15 set */ |
|
if (!(id[ATA_ID_CFS_ENABLE_2] & (1 << 15))) |
|
return false; |
|
|
|
/* 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; |
|
} |
|
|
|
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); |
|
} |
|
|
|
/** |
|
* |
|
* 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_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; |
|
} |
|
|
|
/** |
|
* 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 |
|
* reliably report on drives below ATA3. |
|
*/ |
|
|
|
static inline unsigned int ata_id_major_version(const u16 *id) |
|
{ |
|
unsigned int mver; |
|
|
|
if (id[ATA_ID_MAJOR_VER] == 0xFFFF) |
|
return 0; |
|
|
|
for (mver = 14; mver >= 1; mver--) |
|
if (id[ATA_ID_MAJOR_VER] & (1 << mver)) |
|
break; |
|
return mver; |
|
} |
|
|
|
static inline bool ata_id_is_sata(const u16 *id) |
|
{ |
|
/* |
|
* 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) |
|
return true; |
|
return false; |
|
} |
|
|
|
static inline bool ata_id_has_tpm(const u16 *id) |
|
{ |
|
/* The TPM bits are only valid on ATA8 */ |
|
if (ata_id_major_version(id) < 8) |
|
return false; |
|
if ((id[48] & 0xC000) != 0x4000) |
|
return false; |
|
return id[48] & (1 << 0); |
|
} |
|
|
|
static inline bool ata_id_has_dword_io(const u16 *id) |
|
{ |
|
/* ATA 8 reuses this flag for "trusted" computing */ |
|
if (ata_id_major_version(id) > 7) |
|
return false; |
|
return id[ATA_ID_DWORD_IO] & (1 << 0); |
|
} |
|
|
|
static inline bool ata_id_has_trusted(const u16 *id) |
|
{ |
|
if (ata_id_major_version(id) <= 7) |
|
return false; |
|
return id[ATA_ID_TRUSTED] & (1 << 0); |
|
} |
|
|
|
static inline bool ata_id_has_unload(const u16 *id) |
|
{ |
|
if (ata_id_major_version(id) >= 7 && |
|
(id[ATA_ID_CFSSE] & 0xC000) == 0x4000 && |
|
id[ATA_ID_CFSSE] & (1 << 13)) |
|
return true; |
|
return false; |
|
} |
|
|
|
static inline bool ata_id_has_wwn(const u16 *id) |
|
{ |
|
return (id[ATA_ID_CSF_DEFAULT] & 0xC100) == 0x4100; |
|
} |
|
|
|
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; |
|
} |
|
|
|
static inline bool ata_id_has_ncq_send_and_recv(const u16 *id) |
|
{ |
|
return id[ATA_ID_SATA_CAPABILITY_2] & BIT(6); |
|
} |
|
|
|
static inline bool ata_id_has_ncq_non_data(const u16 *id) |
|
{ |
|
return id[ATA_ID_SATA_CAPABILITY_2] & BIT(5); |
|
} |
|
|
|
static inline bool ata_id_has_ncq_prio(const u16 *id) |
|
{ |
|
return id[ATA_ID_SATA_CAPABILITY] & BIT(12); |
|
} |
|
|
|
static inline bool ata_id_has_trim(const u16 *id) |
|
{ |
|
if (ata_id_major_version(id) >= 7 && |
|
(id[ATA_ID_DATA_SET_MGMT] & 1)) |
|
return true; |
|
return false; |
|
} |
|
|
|
static inline bool ata_id_has_zero_after_trim(const u16 *id) |
|
{ |
|
/* DSM supported, deterministic read, and read zero after trim set */ |
|
if (ata_id_has_trim(id) && |
|
(id[ATA_ID_ADDITIONAL_SUPP] & 0x4020) == 0x4020) |
|
return true; |
|
|
|
return false; |
|
} |
|
|
|
static inline bool ata_id_current_chs_valid(const u16 *id) |
|
{ |
|
/* For ATA-1 devices, if the INITIALIZE DEVICE PARAMETERS command |
|
has not been issued to the device then the values of |
|
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 */ |
|
} |
|
|
|
static inline bool ata_id_is_cfa(const u16 *id) |
|
{ |
|
if ((id[ATA_ID_CONFIG] == 0x848A) || /* Traditional CF */ |
|
(id[ATA_ID_CONFIG] == 0x844A)) /* Delkin Devices CF */ |
|
return true; |
|
/* |
|
* 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... |
|
*/ |
|
return (id[ATA_ID_COMMAND_SET_2] & 0xC004) == 0x4004; |
|
} |
|
|
|
static inline bool ata_id_is_ssd(const u16 *id) |
|
{ |
|
return id[ATA_ID_ROT_SPEED] == 0x01; |
|
} |
|
|
|
static inline u8 ata_id_zoned_cap(const u16 *id) |
|
{ |
|
return (id[ATA_ID_ADDITIONAL_SUPP] & 0x3); |
|
} |
|
|
|
static inline bool ata_id_pio_need_iordy(const u16 *id, const u8 pio) |
|
{ |
|
/* CF spec. r4.1 Table 22 says no IORDY on PIO5 and PIO6. */ |
|
if (pio > 4 && ata_id_is_cfa(id)) |
|
return false; |
|
/* For PIO3 and higher it is mandatory. */ |
|
if (pio > 2) |
|
return true; |
|
/* Turn it on when possible. */ |
|
return ata_id_has_iordy(id); |
|
} |
|
|
|
static inline bool ata_drive_40wire(const u16 *dev_id) |
|
{ |
|
if (ata_id_is_sata(dev_id)) |
|
return false; /* SATA */ |
|
if ((dev_id[ATA_ID_HW_CONFIG] & 0xE000) == 0x6000) |
|
return false; /* 80 wire */ |
|
return true; |
|
} |
|
|
|
static inline bool ata_drive_40wire_relaxed(const u16 *dev_id) |
|
{ |
|
if ((dev_id[ATA_ID_HW_CONFIG] & 0x2000) == 0x2000) |
|
return false; /* 80 wire */ |
|
return true; |
|
} |
|
|
|
static inline int atapi_cdb_len(const u16 *dev_id) |
|
{ |
|
u16 tmp = dev_id[ATA_ID_CONFIG] & 0x3; |
|
switch (tmp) { |
|
case 0: return 12; |
|
case 1: return 16; |
|
default: return -1; |
|
} |
|
} |
|
|
|
static inline int atapi_command_packet_set(const u16 *dev_id) |
|
{ |
|
return (dev_id[ATA_ID_CONFIG] >> 8) & 0x1f; |
|
} |
|
|
|
static inline bool atapi_id_dmadir(const u16 *dev_id) |
|
{ |
|
return ata_id_major_version(dev_id) >= 7 && (dev_id[62] & 0x8000); |
|
} |
|
|
|
/* |
|
* 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. |
|
*/ |
|
static inline bool ata_id_is_lba_capacity_ok(u16 *id) |
|
{ |
|
unsigned long lba_sects, chs_sects, head, tail; |
|
|
|
/* No non-LBA info .. so valid! */ |
|
if (id[ATA_ID_CYLS] == 0) |
|
return true; |
|
|
|
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])) |
|
return true; |
|
|
|
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) |
|
return true; |
|
|
|
/* 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); |
|
return true; /* LBA capacity is (now) good */ |
|
} |
|
|
|
return false; /* LBA capacity value may be bad */ |
|
} |
|
|
|
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 |
|
} |
|
|
|
static inline bool ata_ok(u8 status) |
|
{ |
|
return ((status & (ATA_BUSY | ATA_DRDY | ATA_DF | ATA_DRQ | ATA_ERR)) |
|
== ATA_DRDY); |
|
} |
|
|
|
static inline bool lba_28_ok(u64 block, u32 n_block) |
|
{ |
|
/* check the ending block number: must be LESS THAN 0x0fffffff */ |
|
return ((block + n_block) < ((1 << 28) - 1)) && (n_block <= ATA_MAX_SECTORS); |
|
} |
|
|
|
static inline bool lba_48_ok(u64 block, u32 n_block) |
|
{ |
|
/* check the ending block number */ |
|
return ((block + n_block - 1) < ((u64)1 << 48)) && (n_block <= ATA_MAX_SECTORS_LBA48); |
|
} |
|
|
|
#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) |
|
|
|
#endif /* __LINUX_ATA_H__ */
|
|
|