git.oblomov.eu Git - linux-2.6/blob - include/linux/hdreg.h

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