diff options
Diffstat (limited to 'ANDROID_3.4.5/include/linux/ata.h')
| -rw-r--r-- | ANDROID_3.4.5/include/linux/ata.h | 1078 |
1 files changed, 0 insertions, 1078 deletions
diff --git a/ANDROID_3.4.5/include/linux/ata.h b/ANDROID_3.4.5/include/linux/ata.h deleted file mode 100644 index 32df2b6e..00000000 --- a/ANDROID_3.4.5/include/linux/ata.h +++ /dev/null @@ -1,1078 +0,0 @@ - -/* - * 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/ - * - */ - -#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_LBA48 = 65535,/* TODO: 65536? */ - ATA_MAX_SECTORS_TAPE = 65535, - - 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, - 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_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_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_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_IDX = (1 << 1), /* index */ - 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_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_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_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_WRITE = 0xE8, - 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, - /* marked obsolete in the ATA/ATAPI-7 spec */ - ATA_CMD_RESTORE = 0x10, - - /* READ_LOG_EXT pages */ - ATA_LOG_SATA_NCQ = 0x10, - - /* 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 */ - - /* Enable/Disable Automatic Acoustic Management */ - SETFEATURES_AAM_ON = 0x42, - SETFEATURES_AAM_OFF = 0xC2, - - SETFEATURES_SPINUP = 0x07, /* Spin-up drive */ - - 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 */ - - /* 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, - - /* 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 */ - - /* struct ata_taskfile flags */ - ATA_TFLAG_LBA48 = (1 << 0), /* enable 48-bit LBA and "HOB" */ - ATA_TFLAG_ISADDR = (1 << 1), /* enable r/w to nsect/lba regs */ - ATA_TFLAG_DEVICE = (1 << 2), /* enable r/w to device reg */ - ATA_TFLAG_WRITE = (1 << 3), /* data dir: host->dev==1 (write) */ - ATA_TFLAG_LBA = (1 << 4), /* enable LBA */ - ATA_TFLAG_FUA = (1 << 5), /* enable FUA */ - ATA_TFLAG_POLLING = (1 << 6), /* set nIEN to 1 and use polling */ - - /* protocol flags */ - ATA_PROT_FLAG_PIO = (1 << 0), /* is PIO */ - ATA_PROT_FLAG_DMA = (1 << 1), /* is DMA */ - ATA_PROT_FLAG_DATA = ATA_PROT_FLAG_PIO | ATA_PROT_FLAG_DMA, - ATA_PROT_FLAG_NCQ = (1 << 2), /* is NCQ */ - ATA_PROT_FLAG_ATAPI = (1 << 3), /* is ATAPI */ -}; - -enum ata_tf_protocols { - /* ATA taskfile protocols */ - ATA_PROT_UNKNOWN, /* unknown/invalid */ - ATA_PROT_NODATA, /* no data */ - ATA_PROT_PIO, /* PIO data xfer */ - ATA_PROT_DMA, /* DMA */ - ATA_PROT_NCQ, /* NCQ */ - ATAPI_PROT_NODATA, /* packet command, no data */ - ATAPI_PROT_PIO, /* packet command, PIO data xfer*/ - ATAPI_PROT_DMA, /* packet command with special DMA sauce */ -}; - -enum ata_ioctls { - ATA_IOC_GET_IO32 = 0x309, - ATA_IOC_SET_IO32 = 0x324, -}; - -/* core structures */ - -struct ata_bmdma_prd { - __le32 addr; - __le32 flags_len; -}; - -struct ata_taskfile { - unsigned long flags; /* ATA_TFLAG_xxx */ - u8 protocol; /* ATA_PROT_xxx */ - - u8 ctl; /* control reg */ - - u8 hob_feature; /* additional data */ - u8 hob_nsect; /* to support LBA48 */ - u8 hob_lbal; - u8 hob_lbam; - u8 hob_lbah; - - u8 feature; - u8 nsect; - u8 lbal; - u8 lbam; - u8 lbah; - - u8 device; - - u8 command; /* IO operation */ -}; - -/* - * protocol tests - */ -static inline unsigned int ata_prot_flags(u8 prot) -{ - switch (prot) { - case ATA_PROT_NODATA: - return 0; - case ATA_PROT_PIO: - return ATA_PROT_FLAG_PIO; - case ATA_PROT_DMA: - return ATA_PROT_FLAG_DMA; - case ATA_PROT_NCQ: - return ATA_PROT_FLAG_DMA | ATA_PROT_FLAG_NCQ; - case ATAPI_PROT_NODATA: - return ATA_PROT_FLAG_ATAPI; - case ATAPI_PROT_PIO: - return ATA_PROT_FLAG_ATAPI | ATA_PROT_FLAG_PIO; - case ATAPI_PROT_DMA: - return ATA_PROT_FLAG_ATAPI | ATA_PROT_FLAG_DMA; - } - return 0; -} - -static inline int ata_is_atapi(u8 prot) -{ - return ata_prot_flags(prot) & ATA_PROT_FLAG_ATAPI; -} - -static inline int ata_is_nodata(u8 prot) -{ - return !(ata_prot_flags(prot) & ATA_PROT_FLAG_DATA); -} - -static inline int ata_is_pio(u8 prot) -{ - return ata_prot_flags(prot) & ATA_PROT_FLAG_PIO; -} - -static inline int ata_is_dma(u8 prot) -{ - return ata_prot_flags(prot) & ATA_PROT_FLAG_DMA; -} - -static inline int ata_is_ncq(u8 prot) -{ - return ata_prot_flags(prot) & ATA_PROT_FLAG_NCQ; -} - -static inline int ata_is_data(u8 prot) -{ - return ata_prot_flags(prot) & ATA_PROT_FLAG_DATA; -} - -/* - * 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)[76] & (1 << 8)) -#define ata_id_queue_depth(id) (((id)[ATA_ID_QUEUE_DEPTH] & 0x1f) + 1) -#define ata_id_removeable(id) ((id)[ATA_ID_CONFIG] & (1 << 7)) -#define ata_id_has_atapi_AN(id) \ - ( (((id)[76] != 0x0000) && ((id)[76] != 0xffff)) && \ - ((id)[78] & (1 << 5)) ) -#define ata_id_has_fpdma_aa(id) \ - ( (((id)[76] != 0x0000) && ((id)[76] != 0xffff)) && \ - ((id)[78] & (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) - -static inline bool ata_id_has_hipm(const u16 *id) -{ - u16 val = id[76]; - - if (val == 0 || val == 0xffff) - return false; - - return val & (1 << 9); -} - -static inline bool ata_id_has_dipm(const u16 *id) -{ - u16 val = id[78]; - - 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); -} - -/** - * 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_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_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 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 bool 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 -} - -/* - * Write LBA Range Entries to the buffer that will cover the extent from - * sector to sector + count. This is used for TRIM and for ADD LBA(S) - * TO NV CACHE PINNED SET. - */ -static inline unsigned ata_set_lba_range_entries(void *_buffer, - unsigned buf_size, u64 sector, unsigned long count) -{ - __le64 *buffer = _buffer; - unsigned i = 0, used_bytes; - - while (i < buf_size / 8 ) { /* 6-byte LBA + 2-byte range per entry */ - u64 entry = sector | - ((u64)(count > 0xffff ? 0xffff : count) << 48); - buffer[i++] = __cpu_to_le64(entry); - if (count <= 0xffff) - break; - count -= 0xffff; - sector += 0xffff; - } - - used_bytes = ALIGN(i * 8, 512); - memset(buffer + i, 0, used_bytes - i * 8); - return used_bytes; -} - -static inline int is_multi_taskfile(struct ata_taskfile *tf) -{ - return (tf->command == ATA_CMD_READ_MULTI) || - (tf->command == ATA_CMD_WRITE_MULTI) || - (tf->command == ATA_CMD_READ_MULTI_EXT) || - (tf->command == ATA_CMD_WRITE_MULTI_EXT) || - (tf->command == ATA_CMD_WRITE_MULTI_FUA_EXT); -} - -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 <= 256); -} - -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 <= 65536); -} - -#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__ */ |