[funini.com] -> [kei@sodan] -> Kernel Reading

root/include/linux/hdreg.h

/* [<][>][^][v][top][bottom][index][help] */

INCLUDED FROM


#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 ILI_ERR                 0x01    /* Illegal Length Indication (ATAPI) */
#define TRK0_ERR                0x02    /* couldn't find track 0 */
#define EOM_ERR                 0x02    /* End Of Media (ATAPI) */
#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 */
#define LFS_ERR                 0xf0    /* Last Failed Sense (ATAPI) */

/* Bits of HD_NSECTOR */
#define CD                      0x01
#define IO                      0x02
#define REL                     0x04
#define TAG_MASK                0xf8
#endif /* __KERNEL__ */

#include <linux/types.h>

/*
 * 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_NO_DATA          0
#ifndef __KERNEL__
#define IDE_DRIVE_TASK_INVALID          -1
#define IDE_DRIVE_TASK_SET_XFER         1
#define IDE_DRIVE_TASK_IN               2
#define IDE_DRIVE_TASK_OUT              3
#endif
#define IDE_DRIVE_TASK_RAW_WRITE        4

/*
 * Define standard taskfile in/out register
 */
#define IDE_TASKFILE_STD_IN_FLAGS       0xFE
#define IDE_HOB_STD_IN_FLAGS            0x3C
#ifndef __KERNEL__
#define IDE_TASKFILE_STD_OUT_FLAGS      0xFE
#define IDE_HOB_STD_OUT_FLAGS           0x3C

typedef unsigned char task_ioreg_t;
typedef unsigned long sata_ioreg_t;
#endif

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 {
        __u8            io_ports[8];
        __u8            hob_ports[8]; /* bytes 6 and 7 are unused */
        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 {
        __u8 command;
        __u8 sector_number;
        __u8 feature;
        __u8 sector_count;
};

#ifndef __KERNEL__
typedef struct hd_drive_task_hdr {
        __u8 data;
        __u8 feature;
        __u8 sector_count;
        __u8 sector_number;
        __u8 low_cylinder;
        __u8 high_cylinder;
        __u8 device_head;
        __u8 command;
} task_struct_t;

typedef struct hd_drive_hob_hdr {
        __u8 data;
        __u8 feature;
        __u8 sector_count;
        __u8 sector_number;
        __u8 low_cylinder;
        __u8 high_cylinder;
        __u8 device_head;
        __u8 control;
} hob_struct_t;
#endif

#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

#ifndef __KERNEL__
#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
#define TASKFILE_48                     0x8000
#define TASKFILE_INVALID                0x7fff
#endif

/* 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 Length 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 */
#ifndef __KERNEL__
#define HDIO_SCAN_HWIF          0x0328  /* register and (re)scan interface */
#define HDIO_UNREGISTER_HWIF    0x032a  /* unregister interface */
#endif
#define HDIO_SET_NICE           0x0329  /* set nice flags */
#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_1              (3)     /* when probably won't affect us much */
#ifndef __KERNEL__
#define IDE_NICE_0              (2)     /* when sure that it won't affect us */
#define IDE_NICE_2              (4)     /* when we know it's on our expense */
#endif

#endif  /* _LINUX_HDREG_H */

/* [<][>][^][v][top][bottom][index][help] */

[funini.com] -> [kei@sodan] -> Kernel Reading