linux/include/uapi/linux/hdreg.h
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   1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
   2#ifndef _LINUX_HDREG_H
   3#define _LINUX_HDREG_H
   4
   5#include <linux/types.h>
   6
   7/*
   8 * Command Header sizes for IOCTL commands
   9 */
  10
  11#define HDIO_DRIVE_CMD_HDR_SIZE         (4 * sizeof(__u8))
  12#define HDIO_DRIVE_HOB_HDR_SIZE         (8 * sizeof(__u8))
  13#define HDIO_DRIVE_TASK_HDR_SIZE        (8 * sizeof(__u8))
  14
  15#define IDE_DRIVE_TASK_NO_DATA          0
  16#ifndef __KERNEL__
  17#define IDE_DRIVE_TASK_INVALID          -1
  18#define IDE_DRIVE_TASK_SET_XFER         1
  19#define IDE_DRIVE_TASK_IN               2
  20#define IDE_DRIVE_TASK_OUT              3
  21#endif
  22#define IDE_DRIVE_TASK_RAW_WRITE        4
  23
  24/*
  25 * Define standard taskfile in/out register
  26 */
  27#define IDE_TASKFILE_STD_IN_FLAGS       0xFE
  28#define IDE_HOB_STD_IN_FLAGS            0x3C
  29#ifndef __KERNEL__
  30#define IDE_TASKFILE_STD_OUT_FLAGS      0xFE
  31#define IDE_HOB_STD_OUT_FLAGS           0x3C
  32
  33typedef unsigned char task_ioreg_t;
  34typedef unsigned long sata_ioreg_t;
  35#endif
  36
  37typedef union ide_reg_valid_s {
  38        unsigned all                            : 16;
  39        struct {
  40                unsigned data                   : 1;
  41                unsigned error_feature          : 1;
  42                unsigned sector                 : 1;
  43                unsigned nsector                : 1;
  44                unsigned lcyl                   : 1;
  45                unsigned hcyl                   : 1;
  46                unsigned select                 : 1;
  47                unsigned status_command         : 1;
  48
  49                unsigned data_hob               : 1;
  50                unsigned error_feature_hob      : 1;
  51                unsigned sector_hob             : 1;
  52                unsigned nsector_hob            : 1;
  53                unsigned lcyl_hob               : 1;
  54                unsigned hcyl_hob               : 1;
  55                unsigned select_hob             : 1;
  56                unsigned control_hob            : 1;
  57        } b;
  58} ide_reg_valid_t;
  59
  60typedef struct ide_task_request_s {
  61        __u8            io_ports[8];
  62        __u8            hob_ports[8]; /* bytes 6 and 7 are unused */
  63        ide_reg_valid_t out_flags;
  64        ide_reg_valid_t in_flags;
  65        int             data_phase;
  66        int             req_cmd;
  67        unsigned long   out_size;
  68        unsigned long   in_size;
  69} ide_task_request_t;
  70
  71typedef struct ide_ioctl_request_s {
  72        ide_task_request_t      *task_request;
  73        unsigned char           *out_buffer;
  74        unsigned char           *in_buffer;
  75} ide_ioctl_request_t;
  76
  77struct hd_drive_cmd_hdr {
  78        __u8 command;
  79        __u8 sector_number;
  80        __u8 feature;
  81        __u8 sector_count;
  82};
  83
  84#ifndef __KERNEL__
  85typedef struct hd_drive_task_hdr {
  86        __u8 data;
  87        __u8 feature;
  88        __u8 sector_count;
  89        __u8 sector_number;
  90        __u8 low_cylinder;
  91        __u8 high_cylinder;
  92        __u8 device_head;
  93        __u8 command;
  94} task_struct_t;
  95
  96typedef struct hd_drive_hob_hdr {
  97        __u8 data;
  98        __u8 feature;
  99        __u8 sector_count;
 100        __u8 sector_number;
 101        __u8 low_cylinder;
 102        __u8 high_cylinder;
 103        __u8 device_head;
 104        __u8 control;
 105} hob_struct_t;
 106#endif
 107
 108#define TASKFILE_NO_DATA                0x0000
 109
 110#define TASKFILE_IN                     0x0001
 111#define TASKFILE_MULTI_IN               0x0002
 112
 113#define TASKFILE_OUT                    0x0004
 114#define TASKFILE_MULTI_OUT              0x0008
 115#define TASKFILE_IN_OUT                 0x0010
 116
 117#define TASKFILE_IN_DMA                 0x0020
 118#define TASKFILE_OUT_DMA                0x0040
 119#define TASKFILE_IN_DMAQ                0x0080
 120#define TASKFILE_OUT_DMAQ               0x0100
 121
 122#ifndef __KERNEL__
 123#define TASKFILE_P_IN                   0x0200
 124#define TASKFILE_P_OUT                  0x0400
 125#define TASKFILE_P_IN_DMA               0x0800
 126#define TASKFILE_P_OUT_DMA              0x1000
 127#define TASKFILE_P_IN_DMAQ              0x2000
 128#define TASKFILE_P_OUT_DMAQ             0x4000
 129#define TASKFILE_48                     0x8000
 130#define TASKFILE_INVALID                0x7fff
 131#endif
 132
 133#ifndef __KERNEL__
 134/* ATA/ATAPI Commands pre T13 Spec */
 135#define WIN_NOP                         0x00
 136/*
 137 *      0x01->0x02 Reserved
 138 */
 139#define CFA_REQ_EXT_ERROR_CODE          0x03 /* CFA Request Extended Error Code */
 140/*
 141 *      0x04->0x07 Reserved
 142 */
 143#define WIN_SRST                        0x08 /* ATAPI soft reset command */
 144#define WIN_DEVICE_RESET                0x08
 145/*
 146 *      0x09->0x0F Reserved
 147 */
 148#define WIN_RECAL                       0x10
 149#define WIN_RESTORE                     WIN_RECAL
 150/*
 151 *      0x10->0x1F Reserved
 152 */
 153#define WIN_READ                        0x20 /* 28-Bit */
 154#define WIN_READ_ONCE                   0x21 /* 28-Bit without retries */
 155#define WIN_READ_LONG                   0x22 /* 28-Bit */
 156#define WIN_READ_LONG_ONCE              0x23 /* 28-Bit without retries */
 157#define WIN_READ_EXT                    0x24 /* 48-Bit */
 158#define WIN_READDMA_EXT                 0x25 /* 48-Bit */
 159#define WIN_READDMA_QUEUED_EXT          0x26 /* 48-Bit */
 160#define WIN_READ_NATIVE_MAX_EXT         0x27 /* 48-Bit */
 161/*
 162 *      0x28
 163 */
 164#define WIN_MULTREAD_EXT                0x29 /* 48-Bit */
 165/*
 166 *      0x2A->0x2F Reserved
 167 */
 168#define WIN_WRITE                       0x30 /* 28-Bit */
 169#define WIN_WRITE_ONCE                  0x31 /* 28-Bit without retries */
 170#define WIN_WRITE_LONG                  0x32 /* 28-Bit */
 171#define WIN_WRITE_LONG_ONCE             0x33 /* 28-Bit without retries */
 172#define WIN_WRITE_EXT                   0x34 /* 48-Bit */
 173#define WIN_WRITEDMA_EXT                0x35 /* 48-Bit */
 174#define WIN_WRITEDMA_QUEUED_EXT         0x36 /* 48-Bit */
 175#define WIN_SET_MAX_EXT                 0x37 /* 48-Bit */
 176#define CFA_WRITE_SECT_WO_ERASE         0x38 /* CFA Write Sectors without erase */
 177#define WIN_MULTWRITE_EXT               0x39 /* 48-Bit */
 178/*
 179 *      0x3A->0x3B Reserved
 180 */
 181#define WIN_WRITE_VERIFY                0x3C /* 28-Bit */
 182/*
 183 *      0x3D->0x3F Reserved
 184 */
 185#define WIN_VERIFY                      0x40 /* 28-Bit - Read Verify Sectors */
 186#define WIN_VERIFY_ONCE                 0x41 /* 28-Bit - without retries */
 187#define WIN_VERIFY_EXT                  0x42 /* 48-Bit */
 188/*
 189 *      0x43->0x4F Reserved
 190 */
 191#define WIN_FORMAT                      0x50
 192/*
 193 *      0x51->0x5F Reserved
 194 */
 195#define WIN_INIT                        0x60
 196/*
 197 *      0x61->0x5F Reserved
 198 */
 199#define WIN_SEEK                        0x70 /* 0x70-0x7F Reserved */
 200
 201#define CFA_TRANSLATE_SECTOR            0x87 /* CFA Translate Sector */
 202#define WIN_DIAGNOSE                    0x90
 203#define WIN_SPECIFY                     0x91 /* set drive geometry translation */
 204#define WIN_DOWNLOAD_MICROCODE          0x92
 205#define WIN_STANDBYNOW2                 0x94
 206#define WIN_STANDBY2                    0x96
 207#define WIN_SETIDLE2                    0x97
 208#define WIN_CHECKPOWERMODE2             0x98
 209#define WIN_SLEEPNOW2                   0x99
 210/*
 211 *      0x9A VENDOR
 212 */
 213#define WIN_PACKETCMD                   0xA0 /* Send a packet command. */
 214#define WIN_PIDENTIFY                   0xA1 /* identify ATAPI device   */
 215#define WIN_QUEUED_SERVICE              0xA2
 216#define WIN_SMART                       0xB0 /* self-monitoring and reporting */
 217#define CFA_ERASE_SECTORS               0xC0
 218#define WIN_MULTREAD                    0xC4 /* read sectors using multiple mode*/
 219#define WIN_MULTWRITE                   0xC5 /* write sectors using multiple mode */
 220#define WIN_SETMULT                     0xC6 /* enable/disable multiple mode */
 221#define WIN_READDMA_QUEUED              0xC7 /* read sectors using Queued DMA transfers */
 222#define WIN_READDMA                     0xC8 /* read sectors using DMA transfers */
 223#define WIN_READDMA_ONCE                0xC9 /* 28-Bit - without retries */
 224#define WIN_WRITEDMA                    0xCA /* write sectors using DMA transfers */
 225#define WIN_WRITEDMA_ONCE               0xCB /* 28-Bit - without retries */
 226#define WIN_WRITEDMA_QUEUED             0xCC /* write sectors using Queued DMA transfers */
 227#define CFA_WRITE_MULTI_WO_ERASE        0xCD /* CFA Write multiple without erase */
 228#define WIN_GETMEDIASTATUS              0xDA
 229#define WIN_ACKMEDIACHANGE              0xDB /* ATA-1, ATA-2 vendor */
 230#define WIN_POSTBOOT                    0xDC
 231#define WIN_PREBOOT                     0xDD
 232#define WIN_DOORLOCK                    0xDE /* lock door on removable drives */
 233#define WIN_DOORUNLOCK                  0xDF /* unlock door on removable drives */
 234#define WIN_STANDBYNOW1                 0xE0
 235#define WIN_IDLEIMMEDIATE               0xE1 /* force drive to become "ready" */
 236#define WIN_STANDBY                     0xE2 /* Set device in Standby Mode */
 237#define WIN_SETIDLE1                    0xE3
 238#define WIN_READ_BUFFER                 0xE4 /* force read only 1 sector */
 239#define WIN_CHECKPOWERMODE1             0xE5
 240#define WIN_SLEEPNOW1                   0xE6
 241#define WIN_FLUSH_CACHE                 0xE7
 242#define WIN_WRITE_BUFFER                0xE8 /* force write only 1 sector */
 243#define WIN_WRITE_SAME                  0xE9 /* read ata-2 to use */
 244        /* SET_FEATURES 0x22 or 0xDD */
 245#define WIN_FLUSH_CACHE_EXT             0xEA /* 48-Bit */
 246#define WIN_IDENTIFY                    0xEC /* ask drive to identify itself    */
 247#define WIN_MEDIAEJECT                  0xED
 248#define WIN_IDENTIFY_DMA                0xEE /* same as WIN_IDENTIFY, but DMA */
 249#define WIN_SETFEATURES                 0xEF /* set special drive features */
 250#define EXABYTE_ENABLE_NEST             0xF0
 251#define WIN_SECURITY_SET_PASS           0xF1
 252#define WIN_SECURITY_UNLOCK             0xF2
 253#define WIN_SECURITY_ERASE_PREPARE      0xF3
 254#define WIN_SECURITY_ERASE_UNIT         0xF4
 255#define WIN_SECURITY_FREEZE_LOCK        0xF5
 256#define WIN_SECURITY_DISABLE            0xF6
 257#define WIN_READ_NATIVE_MAX             0xF8 /* return the native maximum address */
 258#define WIN_SET_MAX                     0xF9
 259#define DISABLE_SEAGATE                 0xFB
 260
 261/* WIN_SMART sub-commands */
 262
 263#define SMART_READ_VALUES               0xD0
 264#define SMART_READ_THRESHOLDS           0xD1
 265#define SMART_AUTOSAVE                  0xD2
 266#define SMART_SAVE                      0xD3
 267#define SMART_IMMEDIATE_OFFLINE         0xD4
 268#define SMART_READ_LOG_SECTOR           0xD5
 269#define SMART_WRITE_LOG_SECTOR          0xD6
 270#define SMART_WRITE_THRESHOLDS          0xD7
 271#define SMART_ENABLE                    0xD8
 272#define SMART_DISABLE                   0xD9
 273#define SMART_STATUS                    0xDA
 274#define SMART_AUTO_OFFLINE              0xDB
 275
 276/* Password used in TF4 & TF5 executing SMART commands */
 277
 278#define SMART_LCYL_PASS                 0x4F
 279#define SMART_HCYL_PASS                 0xC2
 280
 281/* WIN_SETFEATURES sub-commands */
 282#define SETFEATURES_EN_8BIT     0x01    /* Enable 8-Bit Transfers */
 283#define SETFEATURES_EN_WCACHE   0x02    /* Enable write cache */
 284#define SETFEATURES_DIS_DEFECT  0x04    /* Disable Defect Management */
 285#define SETFEATURES_EN_APM      0x05    /* Enable advanced power management */
 286#define SETFEATURES_EN_SAME_R   0x22    /* for a region ATA-1 */
 287#define SETFEATURES_DIS_MSN     0x31    /* Disable Media Status Notification */
 288#define SETFEATURES_DIS_RETRY   0x33    /* Disable Retry */
 289#define SETFEATURES_EN_AAM      0x42    /* Enable Automatic Acoustic Management */
 290#define SETFEATURES_RW_LONG     0x44    /* Set Length of VS bytes */
 291#define SETFEATURES_SET_CACHE   0x54    /* Set Cache segments to SC Reg. Val */
 292#define SETFEATURES_DIS_RLA     0x55    /* Disable read look-ahead feature */
 293#define SETFEATURES_EN_RI       0x5D    /* Enable release interrupt */
 294#define SETFEATURES_EN_SI       0x5E    /* Enable SERVICE interrupt */
 295#define SETFEATURES_DIS_RPOD    0x66    /* Disable reverting to power on defaults */
 296#define SETFEATURES_DIS_ECC     0x77    /* Disable ECC byte count */
 297#define SETFEATURES_DIS_8BIT    0x81    /* Disable 8-Bit Transfers */
 298#define SETFEATURES_DIS_WCACHE  0x82    /* Disable write cache */
 299#define SETFEATURES_EN_DEFECT   0x84    /* Enable Defect Management */
 300#define SETFEATURES_DIS_APM     0x85    /* Disable advanced power management */
 301#define SETFEATURES_EN_ECC      0x88    /* Enable ECC byte count */
 302#define SETFEATURES_EN_MSN      0x95    /* Enable Media Status Notification */
 303#define SETFEATURES_EN_RETRY    0x99    /* Enable Retry */
 304#define SETFEATURES_EN_RLA      0xAA    /* Enable read look-ahead feature */
 305#define SETFEATURES_PREFETCH    0xAB    /* Sets drive prefetch value */
 306#define SETFEATURES_EN_REST     0xAC    /* ATA-1 */
 307#define SETFEATURES_4B_RW_LONG  0xBB    /* Set Length of 4 bytes */
 308#define SETFEATURES_DIS_AAM     0xC2    /* Disable Automatic Acoustic Management */
 309#define SETFEATURES_EN_RPOD     0xCC    /* Enable reverting to power on defaults */
 310#define SETFEATURES_DIS_RI      0xDD    /* Disable release interrupt ATAPI */
 311#define SETFEATURES_EN_SAME_M   0xDD    /* for a entire device ATA-1 */
 312#define SETFEATURES_DIS_SI      0xDE    /* Disable SERVICE interrupt ATAPI */
 313
 314/* WIN_SECURITY sub-commands */
 315
 316#define SECURITY_SET_PASSWORD           0xBA
 317#define SECURITY_UNLOCK                 0xBB
 318#define SECURITY_ERASE_PREPARE          0xBC
 319#define SECURITY_ERASE_UNIT             0xBD
 320#define SECURITY_FREEZE_LOCK            0xBE
 321#define SECURITY_DISABLE_PASSWORD       0xBF
 322#endif /* __KERNEL__ */
 323
 324struct hd_geometry {
 325      unsigned char heads;
 326      unsigned char sectors;
 327      unsigned short cylinders;
 328      unsigned long start;
 329};
 330
 331/* hd/ide ctl's that pass (arg) ptrs to user space are numbered 0x030n/0x031n */
 332#define HDIO_GETGEO             0x0301  /* get device geometry */
 333#define HDIO_GET_UNMASKINTR     0x0302  /* get current unmask setting */
 334#define HDIO_GET_MULTCOUNT      0x0304  /* get current IDE blockmode setting */
 335#define HDIO_GET_QDMA           0x0305  /* get use-qdma flag */
 336
 337#define HDIO_SET_XFER           0x0306  /* set transfer rate via proc */
 338
 339#define HDIO_OBSOLETE_IDENTITY  0x0307  /* OBSOLETE, DO NOT USE: returns 142 bytes */
 340#define HDIO_GET_KEEPSETTINGS   0x0308  /* get keep-settings-on-reset flag */
 341#define HDIO_GET_32BIT          0x0309  /* get current io_32bit setting */
 342#define HDIO_GET_NOWERR         0x030a  /* get ignore-write-error flag */
 343#define HDIO_GET_DMA            0x030b  /* get use-dma flag */
 344#define HDIO_GET_NICE           0x030c  /* get nice flags */
 345#define HDIO_GET_IDENTITY       0x030d  /* get IDE identification info */
 346#define HDIO_GET_WCACHE         0x030e  /* get write cache mode on|off */
 347#define HDIO_GET_ACOUSTIC       0x030f  /* get acoustic value */
 348#define HDIO_GET_ADDRESS        0x0310  /* */
 349
 350#define HDIO_GET_BUSSTATE       0x031a  /* get the bus state of the hwif */
 351#define HDIO_TRISTATE_HWIF      0x031b  /* execute a channel tristate */
 352#define HDIO_DRIVE_RESET        0x031c  /* execute a device reset */
 353#define HDIO_DRIVE_TASKFILE     0x031d  /* execute raw taskfile */
 354#define HDIO_DRIVE_TASK         0x031e  /* execute task and special drive command */
 355#define HDIO_DRIVE_CMD          0x031f  /* execute a special drive command */
 356#define HDIO_DRIVE_CMD_AEB      HDIO_DRIVE_TASK
 357
 358/* hd/ide ctl's that pass (arg) non-ptr values are numbered 0x032n/0x033n */
 359#define HDIO_SET_MULTCOUNT      0x0321  /* change IDE blockmode */
 360#define HDIO_SET_UNMASKINTR     0x0322  /* permit other irqs during I/O */
 361#define HDIO_SET_KEEPSETTINGS   0x0323  /* keep ioctl settings on reset */
 362#define HDIO_SET_32BIT          0x0324  /* change io_32bit flags */
 363#define HDIO_SET_NOWERR         0x0325  /* change ignore-write-error flag */
 364#define HDIO_SET_DMA            0x0326  /* change use-dma flag */
 365#define HDIO_SET_PIO_MODE       0x0327  /* reconfig interface to new speed */
 366#ifndef __KERNEL__
 367#define HDIO_SCAN_HWIF          0x0328  /* register and (re)scan interface */
 368#define HDIO_UNREGISTER_HWIF    0x032a  /* unregister interface */
 369#endif
 370#define HDIO_SET_NICE           0x0329  /* set nice flags */
 371#define HDIO_SET_WCACHE         0x032b  /* change write cache enable-disable */
 372#define HDIO_SET_ACOUSTIC       0x032c  /* change acoustic behavior */
 373#define HDIO_SET_BUSSTATE       0x032d  /* set the bus state of the hwif */
 374#define HDIO_SET_QDMA           0x032e  /* change use-qdma flag */
 375#define HDIO_SET_ADDRESS        0x032f  /* change lba addressing modes */
 376
 377/* bus states */
 378enum {
 379        BUSSTATE_OFF = 0,
 380        BUSSTATE_ON,
 381        BUSSTATE_TRISTATE
 382};
 383
 384/* hd/ide ctl's that pass (arg) ptrs to user space are numbered 0x033n/0x033n */
 385/* 0x330 is reserved - used to be HDIO_GETGEO_BIG */
 386/* 0x331 is reserved - used to be HDIO_GETGEO_BIG_RAW */
 387/* 0x338 is reserved - used to be HDIO_SET_IDE_SCSI */
 388/* 0x339 is reserved - used to be HDIO_SET_SCSI_IDE */
 389
 390#define __NEW_HD_DRIVE_ID
 391
 392#ifndef __KERNEL__
 393/*
 394 * Structure returned by HDIO_GET_IDENTITY, as per ANSI NCITS ATA6 rev.1b spec.
 395 *
 396 * If you change something here, please remember to update fix_driveid() in
 397 * ide/probe.c.
 398 */
 399struct hd_driveid {
 400        unsigned short  config;         /* lots of obsolete bit flags */
 401        unsigned short  cyls;           /* Obsolete, "physical" cyls */
 402        unsigned short  reserved2;      /* reserved (word 2) */
 403        unsigned short  heads;          /* Obsolete, "physical" heads */
 404        unsigned short  track_bytes;    /* unformatted bytes per track */
 405        unsigned short  sector_bytes;   /* unformatted bytes per sector */
 406        unsigned short  sectors;        /* Obsolete, "physical" sectors per track */
 407        unsigned short  vendor0;        /* vendor unique */
 408        unsigned short  vendor1;        /* vendor unique */
 409        unsigned short  vendor2;        /* Retired vendor unique */
 410        unsigned char   serial_no[20];  /* 0 = not_specified */
 411        unsigned short  buf_type;       /* Retired */
 412        unsigned short  buf_size;       /* Retired, 512 byte increments
 413                                         * 0 = not_specified
 414                                         */
 415        unsigned short  ecc_bytes;      /* for r/w long cmds; 0 = not_specified */
 416        unsigned char   fw_rev[8];      /* 0 = not_specified */
 417        unsigned char   model[40];      /* 0 = not_specified */
 418        unsigned char   max_multsect;   /* 0=not_implemented */
 419        unsigned char   vendor3;        /* vendor unique */
 420        unsigned short  dword_io;       /* 0=not_implemented; 1=implemented */
 421        unsigned char   vendor4;        /* vendor unique */
 422        unsigned char   capability;     /* (upper byte of word 49)
 423                                         *  3:  IORDYsup
 424                                         *  2:  IORDYsw
 425                                         *  1:  LBA
 426                                         *  0:  DMA
 427                                         */
 428        unsigned short  reserved50;     /* reserved (word 50) */
 429        unsigned char   vendor5;        /* Obsolete, vendor unique */
 430        unsigned char   tPIO;           /* Obsolete, 0=slow, 1=medium, 2=fast */
 431        unsigned char   vendor6;        /* Obsolete, vendor unique */
 432        unsigned char   tDMA;           /* Obsolete, 0=slow, 1=medium, 2=fast */
 433        unsigned short  field_valid;    /* (word 53)
 434                                         *  2:  ultra_ok        word  88
 435                                         *  1:  eide_ok         words 64-70
 436                                         *  0:  cur_ok          words 54-58
 437                                         */
 438        unsigned short  cur_cyls;       /* Obsolete, logical cylinders */
 439        unsigned short  cur_heads;      /* Obsolete, l heads */
 440        unsigned short  cur_sectors;    /* Obsolete, l sectors per track */
 441        unsigned short  cur_capacity0;  /* Obsolete, l total sectors on drive */
 442        unsigned short  cur_capacity1;  /* Obsolete, (2 words, misaligned int)     */
 443        unsigned char   multsect;       /* current multiple sector count */
 444        unsigned char   multsect_valid; /* when (bit0==1) multsect is ok */
 445        unsigned int    lba_capacity;   /* Obsolete, total number of sectors */
 446        unsigned short  dma_1word;      /* Obsolete, single-word dma info */
 447        unsigned short  dma_mword;      /* multiple-word dma info */
 448        unsigned short  eide_pio_modes; /* bits 0:mode3 1:mode4 */
 449        unsigned short  eide_dma_min;   /* min mword dma cycle time (ns) */
 450        unsigned short  eide_dma_time;  /* recommended mword dma cycle time (ns) */
 451        unsigned short  eide_pio;       /* min cycle time (ns), no IORDY  */
 452        unsigned short  eide_pio_iordy; /* min cycle time (ns), with IORDY */
 453        unsigned short  words69_70[2];  /* reserved words 69-70
 454                                         * future command overlap and queuing
 455                                         */
 456        unsigned short  words71_74[4];  /* reserved words 71-74
 457                                         * for IDENTIFY PACKET DEVICE command
 458                                         */
 459        unsigned short  queue_depth;    /* (word 75)
 460                                         * 15:5 reserved
 461                                         *  4:0 Maximum queue depth -1
 462                                         */
 463        unsigned short  words76_79[4];  /* reserved words 76-79 */
 464        unsigned short  major_rev_num;  /* (word 80) */
 465        unsigned short  minor_rev_num;  /* (word 81) */
 466        unsigned short  command_set_1;  /* (word 82) supported
 467                                         * 15:  Obsolete
 468                                         * 14:  NOP command
 469                                         * 13:  READ_BUFFER
 470                                         * 12:  WRITE_BUFFER
 471                                         * 11:  Obsolete
 472                                         * 10:  Host Protected Area
 473                                         *  9:  DEVICE Reset
 474                                         *  8:  SERVICE Interrupt
 475                                         *  7:  Release Interrupt
 476                                         *  6:  look-ahead
 477                                         *  5:  write cache
 478                                         *  4:  PACKET Command
 479                                         *  3:  Power Management Feature Set
 480                                         *  2:  Removable Feature Set
 481                                         *  1:  Security Feature Set
 482                                         *  0:  SMART Feature Set
 483                                         */
 484        unsigned short  command_set_2;  /* (word 83)
 485                                         * 15:  Shall be ZERO
 486                                         * 14:  Shall be ONE
 487                                         * 13:  FLUSH CACHE EXT
 488                                         * 12:  FLUSH CACHE
 489                                         * 11:  Device Configuration Overlay
 490                                         * 10:  48-bit Address Feature Set
 491                                         *  9:  Automatic Acoustic Management
 492                                         *  8:  SET MAX security
 493                                         *  7:  reserved 1407DT PARTIES
 494                                         *  6:  SetF sub-command Power-Up
 495                                         *  5:  Power-Up in Standby Feature Set
 496                                         *  4:  Removable Media Notification
 497                                         *  3:  APM Feature Set
 498                                         *  2:  CFA Feature Set
 499                                         *  1:  READ/WRITE DMA QUEUED
 500                                         *  0:  Download MicroCode
 501                                         */
 502        unsigned short  cfsse;          /* (word 84)
 503                                         * cmd set-feature supported extensions
 504                                         * 15:  Shall be ZERO
 505                                         * 14:  Shall be ONE
 506                                         * 13:6 reserved
 507                                         *  5:  General Purpose Logging
 508                                         *  4:  Streaming Feature Set
 509                                         *  3:  Media Card Pass Through
 510                                         *  2:  Media Serial Number Valid
 511                                         *  1:  SMART selt-test supported
 512                                         *  0:  SMART error logging
 513                                         */
 514        unsigned short  cfs_enable_1;   /* (word 85)
 515                                         * command set-feature enabled
 516                                         * 15:  Obsolete
 517                                         * 14:  NOP command
 518                                         * 13:  READ_BUFFER
 519                                         * 12:  WRITE_BUFFER
 520                                         * 11:  Obsolete
 521                                         * 10:  Host Protected Area
 522                                         *  9:  DEVICE Reset
 523                                         *  8:  SERVICE Interrupt
 524                                         *  7:  Release Interrupt
 525                                         *  6:  look-ahead
 526                                         *  5:  write cache
 527                                         *  4:  PACKET Command
 528                                         *  3:  Power Management Feature Set
 529                                         *  2:  Removable Feature Set
 530                                         *  1:  Security Feature Set
 531                                         *  0:  SMART Feature Set
 532                                         */
 533        unsigned short  cfs_enable_2;   /* (word 86)
 534                                         * command set-feature enabled
 535                                         * 15:  Shall be ZERO
 536                                         * 14:  Shall be ONE
 537                                         * 13:  FLUSH CACHE EXT
 538                                         * 12:  FLUSH CACHE
 539                                         * 11:  Device Configuration Overlay
 540                                         * 10:  48-bit Address Feature Set
 541                                         *  9:  Automatic Acoustic Management
 542                                         *  8:  SET MAX security
 543                                         *  7:  reserved 1407DT PARTIES
 544                                         *  6:  SetF sub-command Power-Up
 545                                         *  5:  Power-Up in Standby Feature Set
 546                                         *  4:  Removable Media Notification
 547                                         *  3:  APM Feature Set
 548                                         *  2:  CFA Feature Set
 549                                         *  1:  READ/WRITE DMA QUEUED
 550                                         *  0:  Download MicroCode
 551                                         */
 552        unsigned short  csf_default;    /* (word 87)
 553                                         * command set-feature default
 554                                         * 15:  Shall be ZERO
 555                                         * 14:  Shall be ONE
 556                                         * 13:6 reserved
 557                                         *  5:  General Purpose Logging enabled
 558                                         *  4:  Valid CONFIGURE STREAM executed
 559                                         *  3:  Media Card Pass Through enabled
 560                                         *  2:  Media Serial Number Valid
 561                                         *  1:  SMART selt-test supported
 562                                         *  0:  SMART error logging
 563                                         */
 564        unsigned short  dma_ultra;      /* (word 88) */
 565        unsigned short  trseuc;         /* time required for security erase */
 566        unsigned short  trsEuc;         /* time required for enhanced erase */
 567        unsigned short  CurAPMvalues;   /* current APM values */
 568        unsigned short  mprc;           /* master password revision code */
 569        unsigned short  hw_config;      /* hardware config (word 93)
 570                                         * 15:  Shall be ZERO
 571                                         * 14:  Shall be ONE
 572                                         * 13:
 573                                         * 12:
 574                                         * 11:
 575                                         * 10:
 576                                         *  9:
 577                                         *  8:
 578                                         *  7:
 579                                         *  6:
 580                                         *  5:
 581                                         *  4:
 582                                         *  3:
 583                                         *  2:
 584                                         *  1:
 585                                         *  0:  Shall be ONE
 586                                         */
 587        unsigned short  acoustic;       /* (word 94)
 588                                         * 15:8 Vendor's recommended value
 589                                         *  7:0 current value
 590                                         */
 591        unsigned short  msrqs;          /* min stream request size */
 592        unsigned short  sxfert;         /* stream transfer time */
 593        unsigned short  sal;            /* stream access latency */
 594        unsigned int    spg;            /* stream performance granularity */
 595        unsigned long long lba_capacity_2;/* 48-bit total number of sectors */
 596        unsigned short  words104_125[22];/* reserved words 104-125 */
 597        unsigned short  last_lun;       /* (word 126) */
 598        unsigned short  word127;        /* (word 127) Feature Set
 599                                         * Removable Media Notification
 600                                         * 15:2 reserved
 601                                         *  1:0 00 = not supported
 602                                         *      01 = supported
 603                                         *      10 = reserved
 604                                         *      11 = reserved
 605                                         */
 606        unsigned short  dlf;            /* (word 128)
 607                                         * device lock function
 608                                         * 15:9 reserved
 609                                         *  8   security level 1:max 0:high
 610                                         *  7:6 reserved
 611                                         *  5   enhanced erase
 612                                         *  4   expire
 613                                         *  3   frozen
 614                                         *  2   locked
 615                                         *  1   en/disabled
 616                                         *  0   capability
 617                                         */
 618        unsigned short  csfo;           /*  (word 129)
 619                                         * current set features options
 620                                         * 15:4 reserved
 621                                         *  3:  auto reassign
 622                                         *  2:  reverting
 623                                         *  1:  read-look-ahead
 624                                         *  0:  write cache
 625                                         */
 626        unsigned short  words130_155[26];/* reserved vendor words 130-155 */
 627        unsigned short  word156;        /* reserved vendor word 156 */
 628        unsigned short  words157_159[3];/* reserved vendor words 157-159 */
 629        unsigned short  cfa_power;      /* (word 160) CFA Power Mode
 630                                         * 15 word 160 supported
 631                                         * 14 reserved
 632                                         * 13
 633                                         * 12
 634                                         * 11:0
 635                                         */
 636        unsigned short  words161_175[15];/* Reserved for CFA */
 637        unsigned short  words176_205[30];/* Current Media Serial Number */
 638        unsigned short  words206_254[49];/* reserved words 206-254 */
 639        unsigned short  integrity_word; /* (word 255)
 640                                         * 15:8 Checksum
 641                                         *  7:0 Signature
 642                                         */
 643};
 644#endif /* __KERNEL__ */
 645
 646/*
 647 * IDE "nice" flags. These are used on a per drive basis to determine
 648 * when to be nice and give more bandwidth to the other devices which
 649 * share the same IDE bus.
 650 */
 651#define IDE_NICE_DSC_OVERLAP    (0)     /* per the DSC overlap protocol */
 652#define IDE_NICE_ATAPI_OVERLAP  (1)     /* not supported yet */
 653#define IDE_NICE_1              (3)     /* when probably won't affect us much */
 654#ifndef __KERNEL__
 655#define IDE_NICE_0              (2)     /* when sure that it won't affect us */
 656#define IDE_NICE_2              (4)     /* when we know it's on our expense */
 657#endif
 658
 659#endif  /* _LINUX_HDREG_H */
 660