hdreg.h
上传用户:szlgq88
上传日期:2009-04-28
资源大小:48287k
文件大小:24k
- #ifndef _LINUX_HDREG_H
- #define _LINUX_HDREG_H
- #ifdef __KERNEL__
- #include <linux/ata.h>
- /*
- * This file contains some defines for the AT-hd-controller.
- * Various sources.
- */
- /* ide.c has its own port definitions in "ide.h" */
- #define HD_IRQ 14
- /* Hd controller regs. Ref: IBM AT Bios-listing */
- #define HD_DATA 0x1f0 /* _CTL when writing */
- #define HD_ERROR 0x1f1 /* see err-bits */
- #define HD_NSECTOR 0x1f2 /* nr of sectors to read/write */
- #define HD_SECTOR 0x1f3 /* starting sector */
- #define HD_LCYL 0x1f4 /* starting cylinder */
- #define HD_HCYL 0x1f5 /* high byte of starting cyl */
- #define HD_CURRENT 0x1f6 /* 101dhhhh , d=drive, hhhh=head */
- #define HD_STATUS 0x1f7 /* see status-bits */
- #define HD_FEATURE HD_ERROR /* same io address, read=error, write=feature */
- #define HD_PRECOMP HD_FEATURE /* obsolete use of this port - predates IDE */
- #define HD_COMMAND HD_STATUS /* same io address, read=status, write=cmd */
- #define HD_CMD 0x3f6 /* used for resets */
- #define HD_ALTSTATUS 0x3f6 /* same as HD_STATUS but doesn't clear irq */
- /* remainder is shared between hd.c, ide.c, ide-cd.c, and the hdparm utility */
- /* Bits of HD_STATUS */
- #define ERR_STAT 0x01
- #define INDEX_STAT 0x02
- #define ECC_STAT 0x04 /* Corrected error */
- #define DRQ_STAT 0x08
- #define SEEK_STAT 0x10
- #define SRV_STAT 0x10
- #define WRERR_STAT 0x20
- #define READY_STAT 0x40
- #define BUSY_STAT 0x80
- /* Bits for HD_ERROR */
- #define MARK_ERR 0x01 /* Bad address mark */
- #define TRK0_ERR 0x02 /* couldn't find track 0 */
- #define ABRT_ERR 0x04 /* Command aborted */
- #define MCR_ERR 0x08 /* media change request */
- #define ID_ERR 0x10 /* ID field not found */
- #define MC_ERR 0x20 /* media changed */
- #define ECC_ERR 0x40 /* Uncorrectable ECC error */
- #define BBD_ERR 0x80 /* pre-EIDE meaning: block marked bad */
- #define ICRC_ERR 0x80 /* new meaning: CRC error during transfer */
- /* Bits of HD_NSECTOR */
- #define CD 0x01
- #define IO 0x02
- #define REL 0x04
- #define TAG_MASK 0xf8
- #endif /* __KERNEL__ */
- /*
- * Command Header sizes for IOCTL commands
- */
- #define HDIO_DRIVE_CMD_HDR_SIZE (4 * sizeof(u8))
- #define HDIO_DRIVE_HOB_HDR_SIZE (8 * sizeof(u8))
- #define HDIO_DRIVE_TASK_HDR_SIZE (8 * sizeof(u8))
- #define IDE_DRIVE_TASK_INVALID -1
- #define IDE_DRIVE_TASK_NO_DATA 0
- #define IDE_DRIVE_TASK_SET_XFER 1
- #define IDE_DRIVE_TASK_IN 2
- #define IDE_DRIVE_TASK_OUT 3
- #define IDE_DRIVE_TASK_RAW_WRITE 4
- /*
- * Define standard taskfile in/out register
- */
- #define IDE_TASKFILE_STD_OUT_FLAGS 0xFE
- #define IDE_TASKFILE_STD_IN_FLAGS 0xFE
- #define IDE_HOB_STD_OUT_FLAGS 0x3C
- #define IDE_HOB_STD_IN_FLAGS 0x3C
- typedef unsigned char task_ioreg_t;
- typedef unsigned long sata_ioreg_t;
- typedef union ide_reg_valid_s {
- unsigned all : 16;
- struct {
- unsigned data : 1;
- unsigned error_feature : 1;
- unsigned sector : 1;
- unsigned nsector : 1;
- unsigned lcyl : 1;
- unsigned hcyl : 1;
- unsigned select : 1;
- unsigned status_command : 1;
- unsigned data_hob : 1;
- unsigned error_feature_hob : 1;
- unsigned sector_hob : 1;
- unsigned nsector_hob : 1;
- unsigned lcyl_hob : 1;
- unsigned hcyl_hob : 1;
- unsigned select_hob : 1;
- unsigned control_hob : 1;
- } b;
- } ide_reg_valid_t;
- typedef struct ide_task_request_s {
- task_ioreg_t io_ports[8];
- task_ioreg_t hob_ports[8];
- ide_reg_valid_t out_flags;
- ide_reg_valid_t in_flags;
- int data_phase;
- int req_cmd;
- unsigned long out_size;
- unsigned long in_size;
- } ide_task_request_t;
- typedef struct ide_ioctl_request_s {
- ide_task_request_t *task_request;
- unsigned char *out_buffer;
- unsigned char *in_buffer;
- } ide_ioctl_request_t;
- struct hd_drive_cmd_hdr {
- task_ioreg_t command;
- task_ioreg_t sector_number;
- task_ioreg_t feature;
- task_ioreg_t sector_count;
- };
- typedef struct hd_drive_task_hdr {
- task_ioreg_t data;
- task_ioreg_t feature;
- task_ioreg_t sector_count;
- task_ioreg_t sector_number;
- task_ioreg_t low_cylinder;
- task_ioreg_t high_cylinder;
- task_ioreg_t device_head;
- task_ioreg_t command;
- } task_struct_t;
- typedef struct hd_drive_hob_hdr {
- task_ioreg_t data;
- task_ioreg_t feature;
- task_ioreg_t sector_count;
- task_ioreg_t sector_number;
- task_ioreg_t low_cylinder;
- task_ioreg_t high_cylinder;
- task_ioreg_t device_head;
- task_ioreg_t control;
- } hob_struct_t;
- #define TASKFILE_INVALID 0x7fff
- #define TASKFILE_48 0x8000
- #define TASKFILE_NO_DATA 0x0000
- #define TASKFILE_IN 0x0001
- #define TASKFILE_MULTI_IN 0x0002
- #define TASKFILE_OUT 0x0004
- #define TASKFILE_MULTI_OUT 0x0008
- #define TASKFILE_IN_OUT 0x0010
- #define TASKFILE_IN_DMA 0x0020
- #define TASKFILE_OUT_DMA 0x0040
- #define TASKFILE_IN_DMAQ 0x0080
- #define TASKFILE_OUT_DMAQ 0x0100
- #define TASKFILE_P_IN 0x0200
- #define TASKFILE_P_OUT 0x0400
- #define TASKFILE_P_IN_DMA 0x0800
- #define TASKFILE_P_OUT_DMA 0x1000
- #define TASKFILE_P_IN_DMAQ 0x2000
- #define TASKFILE_P_OUT_DMAQ 0x4000
- /* ATA/ATAPI Commands pre T13 Spec */
- #define WIN_NOP 0x00
- /*
- * 0x01->0x02 Reserved
- */
- #define CFA_REQ_EXT_ERROR_CODE 0x03 /* CFA Request Extended Error Code */
- /*
- * 0x04->0x07 Reserved
- */
- #define WIN_SRST 0x08 /* ATAPI soft reset command */
- #define WIN_DEVICE_RESET 0x08
- /*
- * 0x09->0x0F Reserved
- */
- #define WIN_RECAL 0x10
- #define WIN_RESTORE WIN_RECAL
- /*
- * 0x10->0x1F Reserved
- */
- #define WIN_READ 0x20 /* 28-Bit */
- #define WIN_READ_ONCE 0x21 /* 28-Bit without retries */
- #define WIN_READ_LONG 0x22 /* 28-Bit */
- #define WIN_READ_LONG_ONCE 0x23 /* 28-Bit without retries */
- #define WIN_READ_EXT 0x24 /* 48-Bit */
- #define WIN_READDMA_EXT 0x25 /* 48-Bit */
- #define WIN_READDMA_QUEUED_EXT 0x26 /* 48-Bit */
- #define WIN_READ_NATIVE_MAX_EXT 0x27 /* 48-Bit */
- /*
- * 0x28
- */
- #define WIN_MULTREAD_EXT 0x29 /* 48-Bit */
- /*
- * 0x2A->0x2F Reserved
- */
- #define WIN_WRITE 0x30 /* 28-Bit */
- #define WIN_WRITE_ONCE 0x31 /* 28-Bit without retries */
- #define WIN_WRITE_LONG 0x32 /* 28-Bit */
- #define WIN_WRITE_LONG_ONCE 0x33 /* 28-Bit without retries */
- #define WIN_WRITE_EXT 0x34 /* 48-Bit */
- #define WIN_WRITEDMA_EXT 0x35 /* 48-Bit */
- #define WIN_WRITEDMA_QUEUED_EXT 0x36 /* 48-Bit */
- #define WIN_SET_MAX_EXT 0x37 /* 48-Bit */
- #define CFA_WRITE_SECT_WO_ERASE 0x38 /* CFA Write Sectors without erase */
- #define WIN_MULTWRITE_EXT 0x39 /* 48-Bit */
- /*
- * 0x3A->0x3B Reserved
- */
- #define WIN_WRITE_VERIFY 0x3C /* 28-Bit */
- /*
- * 0x3D->0x3F Reserved
- */
- #define WIN_VERIFY 0x40 /* 28-Bit - Read Verify Sectors */
- #define WIN_VERIFY_ONCE 0x41 /* 28-Bit - without retries */
- #define WIN_VERIFY_EXT 0x42 /* 48-Bit */
- /*
- * 0x43->0x4F Reserved
- */
- #define WIN_FORMAT 0x50
- /*
- * 0x51->0x5F Reserved
- */
- #define WIN_INIT 0x60
- /*
- * 0x61->0x5F Reserved
- */
- #define WIN_SEEK 0x70 /* 0x70-0x7F Reserved */
- #define CFA_TRANSLATE_SECTOR 0x87 /* CFA Translate Sector */
- #define WIN_DIAGNOSE 0x90
- #define WIN_SPECIFY 0x91 /* set drive geometry translation */
- #define WIN_DOWNLOAD_MICROCODE 0x92
- #define WIN_STANDBYNOW2 0x94
- #define WIN_STANDBY2 0x96
- #define WIN_SETIDLE2 0x97
- #define WIN_CHECKPOWERMODE2 0x98
- #define WIN_SLEEPNOW2 0x99
- /*
- * 0x9A VENDOR
- */
- #define WIN_PACKETCMD 0xA0 /* Send a packet command. */
- #define WIN_PIDENTIFY 0xA1 /* identify ATAPI device */
- #define WIN_QUEUED_SERVICE 0xA2
- #define WIN_SMART 0xB0 /* self-monitoring and reporting */
- #define CFA_ERASE_SECTORS 0xC0
- #define WIN_MULTREAD 0xC4 /* read sectors using multiple mode*/
- #define WIN_MULTWRITE 0xC5 /* write sectors using multiple mode */
- #define WIN_SETMULT 0xC6 /* enable/disable multiple mode */
- #define WIN_READDMA_QUEUED 0xC7 /* read sectors using Queued DMA transfers */
- #define WIN_READDMA 0xC8 /* read sectors using DMA transfers */
- #define WIN_READDMA_ONCE 0xC9 /* 28-Bit - without retries */
- #define WIN_WRITEDMA 0xCA /* write sectors using DMA transfers */
- #define WIN_WRITEDMA_ONCE 0xCB /* 28-Bit - without retries */
- #define WIN_WRITEDMA_QUEUED 0xCC /* write sectors using Queued DMA transfers */
- #define CFA_WRITE_MULTI_WO_ERASE 0xCD /* CFA Write multiple without erase */
- #define WIN_GETMEDIASTATUS 0xDA
- #define WIN_ACKMEDIACHANGE 0xDB /* ATA-1, ATA-2 vendor */
- #define WIN_POSTBOOT 0xDC
- #define WIN_PREBOOT 0xDD
- #define WIN_DOORLOCK 0xDE /* lock door on removable drives */
- #define WIN_DOORUNLOCK 0xDF /* unlock door on removable drives */
- #define WIN_STANDBYNOW1 0xE0
- #define WIN_IDLEIMMEDIATE 0xE1 /* force drive to become "ready" */
- #define WIN_STANDBY 0xE2 /* Set device in Standby Mode */
- #define WIN_SETIDLE1 0xE3
- #define WIN_READ_BUFFER 0xE4 /* force read only 1 sector */
- #define WIN_CHECKPOWERMODE1 0xE5
- #define WIN_SLEEPNOW1 0xE6
- #define WIN_FLUSH_CACHE 0xE7
- #define WIN_WRITE_BUFFER 0xE8 /* force write only 1 sector */
- #define WIN_WRITE_SAME 0xE9 /* read ata-2 to use */
- /* SET_FEATURES 0x22 or 0xDD */
- #define WIN_FLUSH_CACHE_EXT 0xEA /* 48-Bit */
- #define WIN_IDENTIFY 0xEC /* ask drive to identify itself */
- #define WIN_MEDIAEJECT 0xED
- #define WIN_IDENTIFY_DMA 0xEE /* same as WIN_IDENTIFY, but DMA */
- #define WIN_SETFEATURES 0xEF /* set special drive features */
- #define EXABYTE_ENABLE_NEST 0xF0
- #define WIN_SECURITY_SET_PASS 0xF1
- #define WIN_SECURITY_UNLOCK 0xF2
- #define WIN_SECURITY_ERASE_PREPARE 0xF3
- #define WIN_SECURITY_ERASE_UNIT 0xF4
- #define WIN_SECURITY_FREEZE_LOCK 0xF5
- #define WIN_SECURITY_DISABLE 0xF6
- #define WIN_READ_NATIVE_MAX 0xF8 /* return the native maximum address */
- #define WIN_SET_MAX 0xF9
- #define DISABLE_SEAGATE 0xFB
- /* WIN_SMART sub-commands */
- #define SMART_READ_VALUES 0xD0
- #define SMART_READ_THRESHOLDS 0xD1
- #define SMART_AUTOSAVE 0xD2
- #define SMART_SAVE 0xD3
- #define SMART_IMMEDIATE_OFFLINE 0xD4
- #define SMART_READ_LOG_SECTOR 0xD5
- #define SMART_WRITE_LOG_SECTOR 0xD6
- #define SMART_WRITE_THRESHOLDS 0xD7
- #define SMART_ENABLE 0xD8
- #define SMART_DISABLE 0xD9
- #define SMART_STATUS 0xDA
- #define SMART_AUTO_OFFLINE 0xDB
- /* Password used in TF4 & TF5 executing SMART commands */
- #define SMART_LCYL_PASS 0x4F
- #define SMART_HCYL_PASS 0xC2
- /* WIN_SETFEATURES sub-commands */
- #define SETFEATURES_EN_8BIT 0x01 /* Enable 8-Bit Transfers */
- #define SETFEATURES_EN_WCACHE 0x02 /* Enable write cache */
- #define SETFEATURES_DIS_DEFECT 0x04 /* Disable Defect Management */
- #define SETFEATURES_EN_APM 0x05 /* Enable advanced power management */
- #define SETFEATURES_EN_SAME_R 0x22 /* for a region ATA-1 */
- #define SETFEATURES_DIS_MSN 0x31 /* Disable Media Status Notification */
- #define SETFEATURES_DIS_RETRY 0x33 /* Disable Retry */
- #define SETFEATURES_EN_AAM 0x42 /* Enable Automatic Acoustic Management */
- #define SETFEATURES_RW_LONG 0x44 /* Set Length of VS bytes */
- #define SETFEATURES_SET_CACHE 0x54 /* Set Cache segments to SC Reg. Val */
- #define SETFEATURES_DIS_RLA 0x55 /* Disable read look-ahead feature */
- #define SETFEATURES_EN_RI 0x5D /* Enable release interrupt */
- #define SETFEATURES_EN_SI 0x5E /* Enable SERVICE interrupt */
- #define SETFEATURES_DIS_RPOD 0x66 /* Disable reverting to power on defaults */
- #define SETFEATURES_DIS_ECC 0x77 /* Disable ECC byte count */
- #define SETFEATURES_DIS_8BIT 0x81 /* Disable 8-Bit Transfers */
- #define SETFEATURES_DIS_WCACHE 0x82 /* Disable write cache */
- #define SETFEATURES_EN_DEFECT 0x84 /* Enable Defect Management */
- #define SETFEATURES_DIS_APM 0x85 /* Disable advanced power management */
- #define SETFEATURES_EN_ECC 0x88 /* Enable ECC byte count */
- #define SETFEATURES_EN_MSN 0x95 /* Enable Media Status Notification */
- #define SETFEATURES_EN_RETRY 0x99 /* Enable Retry */
- #define SETFEATURES_EN_RLA 0xAA /* Enable read look-ahead feature */
- #define SETFEATURES_PREFETCH 0xAB /* Sets drive prefetch value */
- #define SETFEATURES_EN_REST 0xAC /* ATA-1 */
- #define SETFEATURES_4B_RW_LONG 0xBB /* Set Lenght of 4 bytes */
- #define SETFEATURES_DIS_AAM 0xC2 /* Disable Automatic Acoustic Management */
- #define SETFEATURES_EN_RPOD 0xCC /* Enable reverting to power on defaults */
- #define SETFEATURES_DIS_RI 0xDD /* Disable release interrupt ATAPI */
- #define SETFEATURES_EN_SAME_M 0xDD /* for a entire device ATA-1 */
- #define SETFEATURES_DIS_SI 0xDE /* Disable SERVICE interrupt ATAPI */
- /* WIN_SECURITY sub-commands */
- #define SECURITY_SET_PASSWORD 0xBA
- #define SECURITY_UNLOCK 0xBB
- #define SECURITY_ERASE_PREPARE 0xBC
- #define SECURITY_ERASE_UNIT 0xBD
- #define SECURITY_FREEZE_LOCK 0xBE
- #define SECURITY_DISABLE_PASSWORD 0xBF
- struct hd_geometry {
- unsigned char heads;
- unsigned char sectors;
- unsigned short cylinders;
- unsigned long start;
- };
- /* hd/ide ctl's that pass (arg) ptrs to user space are numbered 0x030n/0x031n */
- #define HDIO_GETGEO 0x0301 /* get device geometry */
- #define HDIO_GET_UNMASKINTR 0x0302 /* get current unmask setting */
- #define HDIO_GET_MULTCOUNT 0x0304 /* get current IDE blockmode setting */
- #define HDIO_GET_QDMA 0x0305 /* get use-qdma flag */
- #define HDIO_SET_XFER 0x0306 /* set transfer rate via proc */
- #define HDIO_OBSOLETE_IDENTITY 0x0307 /* OBSOLETE, DO NOT USE: returns 142 bytes */
- #define HDIO_GET_KEEPSETTINGS 0x0308 /* get keep-settings-on-reset flag */
- #define HDIO_GET_32BIT 0x0309 /* get current io_32bit setting */
- #define HDIO_GET_NOWERR 0x030a /* get ignore-write-error flag */
- #define HDIO_GET_DMA 0x030b /* get use-dma flag */
- #define HDIO_GET_NICE 0x030c /* get nice flags */
- #define HDIO_GET_IDENTITY 0x030d /* get IDE identification info */
- #define HDIO_GET_WCACHE 0x030e /* get write cache mode on|off */
- #define HDIO_GET_ACOUSTIC 0x030f /* get acoustic value */
- #define HDIO_GET_ADDRESS 0x0310 /* */
- #define HDIO_GET_BUSSTATE 0x031a /* get the bus state of the hwif */
- #define HDIO_TRISTATE_HWIF 0x031b /* execute a channel tristate */
- #define HDIO_DRIVE_RESET 0x031c /* execute a device reset */
- #define HDIO_DRIVE_TASKFILE 0x031d /* execute raw taskfile */
- #define HDIO_DRIVE_TASK 0x031e /* execute task and special drive command */
- #define HDIO_DRIVE_CMD 0x031f /* execute a special drive command */
- #define HDIO_DRIVE_CMD_AEB HDIO_DRIVE_TASK
- /* hd/ide ctl's that pass (arg) non-ptr values are numbered 0x032n/0x033n */
- #define HDIO_SET_MULTCOUNT 0x0321 /* change IDE blockmode */
- #define HDIO_SET_UNMASKINTR 0x0322 /* permit other irqs during I/O */
- #define HDIO_SET_KEEPSETTINGS 0x0323 /* keep ioctl settings on reset */
- #define HDIO_SET_32BIT 0x0324 /* change io_32bit flags */
- #define HDIO_SET_NOWERR 0x0325 /* change ignore-write-error flag */
- #define HDIO_SET_DMA 0x0326 /* change use-dma flag */
- #define HDIO_SET_PIO_MODE 0x0327 /* reconfig interface to new speed */
- #define HDIO_SCAN_HWIF 0x0328 /* register and (re)scan interface */
- #define HDIO_SET_NICE 0x0329 /* set nice flags */
- #define HDIO_UNREGISTER_HWIF 0x032a /* unregister interface */
- #define HDIO_SET_WCACHE 0x032b /* change write cache enable-disable */
- #define HDIO_SET_ACOUSTIC 0x032c /* change acoustic behavior */
- #define HDIO_SET_BUSSTATE 0x032d /* set the bus state of the hwif */
- #define HDIO_SET_QDMA 0x032e /* change use-qdma flag */
- #define HDIO_SET_ADDRESS 0x032f /* change lba addressing modes */
- /* bus states */
- enum {
- BUSSTATE_OFF = 0,
- BUSSTATE_ON,
- BUSSTATE_TRISTATE
- };
- /* hd/ide ctl's that pass (arg) ptrs to user space are numbered 0x033n/0x033n */
- /* 0x330 is reserved - used to be HDIO_GETGEO_BIG */
- /* 0x331 is reserved - used to be HDIO_GETGEO_BIG_RAW */
- /* 0x338 is reserved - used to be HDIO_SET_IDE_SCSI */
- /* 0x339 is reserved - used to be HDIO_SET_SCSI_IDE */
- #define __NEW_HD_DRIVE_ID
- /*
- * Structure returned by HDIO_GET_IDENTITY, as per ANSI NCITS ATA6 rev.1b spec.
- *
- * If you change something here, please remember to update fix_driveid() in
- * ide/probe.c.
- */
- struct hd_driveid {
- unsigned short config; /* lots of obsolete bit flags */
- unsigned short cyls; /* Obsolete, "physical" cyls */
- unsigned short reserved2; /* reserved (word 2) */
- unsigned short heads; /* Obsolete, "physical" heads */
- unsigned short track_bytes; /* unformatted bytes per track */
- unsigned short sector_bytes; /* unformatted bytes per sector */
- unsigned short sectors; /* Obsolete, "physical" sectors per track */
- unsigned short vendor0; /* vendor unique */
- unsigned short vendor1; /* vendor unique */
- unsigned short vendor2; /* Retired vendor unique */
- unsigned char serial_no[20]; /* 0 = not_specified */
- unsigned short buf_type; /* Retired */
- unsigned short buf_size; /* Retired, 512 byte increments
- * 0 = not_specified
- */
- unsigned short ecc_bytes; /* for r/w long cmds; 0 = not_specified */
- unsigned char fw_rev[8]; /* 0 = not_specified */
- unsigned char model[40]; /* 0 = not_specified */
- unsigned char max_multsect; /* 0=not_implemented */
- unsigned char vendor3; /* vendor unique */
- unsigned short dword_io; /* 0=not_implemented; 1=implemented */
- unsigned char vendor4; /* vendor unique */
- unsigned char capability; /* (upper byte of word 49)
- * 3: IORDYsup
- * 2: IORDYsw
- * 1: LBA
- * 0: DMA
- */
- unsigned short reserved50; /* reserved (word 50) */
- unsigned char vendor5; /* Obsolete, vendor unique */
- unsigned char tPIO; /* Obsolete, 0=slow, 1=medium, 2=fast */
- unsigned char vendor6; /* Obsolete, vendor unique */
- unsigned char tDMA; /* Obsolete, 0=slow, 1=medium, 2=fast */
- unsigned short field_valid; /* (word 53)
- * 2: ultra_ok word 88
- * 1: eide_ok words 64-70
- * 0: cur_ok words 54-58
- */
- unsigned short cur_cyls; /* Obsolete, logical cylinders */
- unsigned short cur_heads; /* Obsolete, l heads */
- unsigned short cur_sectors; /* Obsolete, l sectors per track */
- unsigned short cur_capacity0; /* Obsolete, l total sectors on drive */
- unsigned short cur_capacity1; /* Obsolete, (2 words, misaligned int) */
- unsigned char multsect; /* current multiple sector count */
- unsigned char multsect_valid; /* when (bit0==1) multsect is ok */
- unsigned int lba_capacity; /* Obsolete, total number of sectors */
- unsigned short dma_1word; /* Obsolete, single-word dma info */
- unsigned short dma_mword; /* multiple-word dma info */
- unsigned short eide_pio_modes; /* bits 0:mode3 1:mode4 */
- unsigned short eide_dma_min; /* min mword dma cycle time (ns) */
- unsigned short eide_dma_time; /* recommended mword dma cycle time (ns) */
- unsigned short eide_pio; /* min cycle time (ns), no IORDY */
- unsigned short eide_pio_iordy; /* min cycle time (ns), with IORDY */
- unsigned short words69_70[2]; /* reserved words 69-70
- * future command overlap and queuing
- */
- /* HDIO_GET_IDENTITY currently returns only words 0 through 70 */
- unsigned short words71_74[4]; /* reserved words 71-74
- * for IDENTIFY PACKET DEVICE command
- */
- unsigned short queue_depth; /* (word 75)
- * 15:5 reserved
- * 4:0 Maximum queue depth -1
- */
- unsigned short words76_79[4]; /* reserved words 76-79 */
- unsigned short major_rev_num; /* (word 80) */
- unsigned short minor_rev_num; /* (word 81) */
- unsigned short command_set_1; /* (word 82) supported
- * 15: Obsolete
- * 14: NOP command
- * 13: READ_BUFFER
- * 12: WRITE_BUFFER
- * 11: Obsolete
- * 10: Host Protected Area
- * 9: DEVICE Reset
- * 8: SERVICE Interrupt
- * 7: Release Interrupt
- * 6: look-ahead
- * 5: write cache
- * 4: PACKET Command
- * 3: Power Management Feature Set
- * 2: Removable Feature Set
- * 1: Security Feature Set
- * 0: SMART Feature Set
- */
- unsigned short command_set_2; /* (word 83)
- * 15: Shall be ZERO
- * 14: Shall be ONE
- * 13: FLUSH CACHE EXT
- * 12: FLUSH CACHE
- * 11: Device Configuration Overlay
- * 10: 48-bit Address Feature Set
- * 9: Automatic Acoustic Management
- * 8: SET MAX security
- * 7: reserved 1407DT PARTIES
- * 6: SetF sub-command Power-Up
- * 5: Power-Up in Standby Feature Set
- * 4: Removable Media Notification
- * 3: APM Feature Set
- * 2: CFA Feature Set
- * 1: READ/WRITE DMA QUEUED
- * 0: Download MicroCode
- */
- unsigned short cfsse; /* (word 84)
- * cmd set-feature supported extensions
- * 15: Shall be ZERO
- * 14: Shall be ONE
- * 13:6 reserved
- * 5: General Purpose Logging
- * 4: Streaming Feature Set
- * 3: Media Card Pass Through
- * 2: Media Serial Number Valid
- * 1: SMART selt-test supported
- * 0: SMART error logging
- */
- unsigned short cfs_enable_1; /* (word 85)
- * command set-feature enabled
- * 15: Obsolete
- * 14: NOP command
- * 13: READ_BUFFER
- * 12: WRITE_BUFFER
- * 11: Obsolete
- * 10: Host Protected Area
- * 9: DEVICE Reset
- * 8: SERVICE Interrupt
- * 7: Release Interrupt
- * 6: look-ahead
- * 5: write cache
- * 4: PACKET Command
- * 3: Power Management Feature Set
- * 2: Removable Feature Set
- * 1: Security Feature Set
- * 0: SMART Feature Set
- */
- unsigned short cfs_enable_2; /* (word 86)
- * command set-feature enabled
- * 15: Shall be ZERO
- * 14: Shall be ONE
- * 13: FLUSH CACHE EXT
- * 12: FLUSH CACHE
- * 11: Device Configuration Overlay
- * 10: 48-bit Address Feature Set
- * 9: Automatic Acoustic Management
- * 8: SET MAX security
- * 7: reserved 1407DT PARTIES
- * 6: SetF sub-command Power-Up
- * 5: Power-Up in Standby Feature Set
- * 4: Removable Media Notification
- * 3: APM Feature Set
- * 2: CFA Feature Set
- * 1: READ/WRITE DMA QUEUED
- * 0: Download MicroCode
- */
- unsigned short csf_default; /* (word 87)
- * command set-feature default
- * 15: Shall be ZERO
- * 14: Shall be ONE
- * 13:6 reserved
- * 5: General Purpose Logging enabled
- * 4: Valid CONFIGURE STREAM executed
- * 3: Media Card Pass Through enabled
- * 2: Media Serial Number Valid
- * 1: SMART selt-test supported
- * 0: SMART error logging
- */
- unsigned short dma_ultra; /* (word 88) */
- unsigned short trseuc; /* time required for security erase */
- unsigned short trsEuc; /* time required for enhanced erase */
- unsigned short CurAPMvalues; /* current APM values */
- unsigned short mprc; /* master password revision code */
- unsigned short hw_config; /* hardware config (word 93)
- * 15: Shall be ZERO
- * 14: Shall be ONE
- * 13:
- * 12:
- * 11:
- * 10:
- * 9:
- * 8:
- * 7:
- * 6:
- * 5:
- * 4:
- * 3:
- * 2:
- * 1:
- * 0: Shall be ONE
- */
- unsigned short acoustic; /* (word 94)
- * 15:8 Vendor's recommended value
- * 7:0 current value
- */
- unsigned short msrqs; /* min stream request size */
- unsigned short sxfert; /* stream transfer time */
- unsigned short sal; /* stream access latency */
- unsigned int spg; /* stream performance granularity */
- unsigned long long lba_capacity_2;/* 48-bit total number of sectors */
- unsigned short words104_125[22];/* reserved words 104-125 */
- unsigned short last_lun; /* (word 126) */
- unsigned short word127; /* (word 127) Feature Set
- * Removable Media Notification
- * 15:2 reserved
- * 1:0 00 = not supported
- * 01 = supported
- * 10 = reserved
- * 11 = reserved
- */
- unsigned short dlf; /* (word 128)
- * device lock function
- * 15:9 reserved
- * 8 security level 1:max 0:high
- * 7:6 reserved
- * 5 enhanced erase
- * 4 expire
- * 3 frozen
- * 2 locked
- * 1 en/disabled
- * 0 capability
- */
- unsigned short csfo; /* (word 129)
- * current set features options
- * 15:4 reserved
- * 3: auto reassign
- * 2: reverting
- * 1: read-look-ahead
- * 0: write cache
- */
- unsigned short words130_155[26];/* reserved vendor words 130-155 */
- unsigned short word156; /* reserved vendor word 156 */
- unsigned short words157_159[3];/* reserved vendor words 157-159 */
- unsigned short cfa_power; /* (word 160) CFA Power Mode
- * 15 word 160 supported
- * 14 reserved
- * 13
- * 12
- * 11:0
- */
- unsigned short words161_175[15];/* Reserved for CFA */
- unsigned short words176_205[30];/* Current Media Serial Number */
- unsigned short words206_254[49];/* reserved words 206-254 */
- unsigned short integrity_word; /* (word 255)
- * 15:8 Checksum
- * 7:0 Signature
- */
- };
- /*
- * IDE "nice" flags. These are used on a per drive basis to determine
- * when to be nice and give more bandwidth to the other devices which
- * share the same IDE bus.
- */
- #define IDE_NICE_DSC_OVERLAP (0) /* per the DSC overlap protocol */
- #define IDE_NICE_ATAPI_OVERLAP (1) /* not supported yet */
- #define IDE_NICE_0 (2) /* when sure that it won't affect us */
- #define IDE_NICE_1 (3) /* when probably won't affect us much */
- #define IDE_NICE_2 (4) /* when we know it's on our expense */
- #endif /* _LINUX_HDREG_H */