zfs/lib/libsolcompat/include/sys/dkio.h

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21 /*
  22  * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
  23  * Use is subject to license terms.
  24  */
  25
  26 #ifndef _SYS_DKIO_H
  27 #define _SYS_DKIO_H
  28
  29
  30
  31 #include <sys/dklabel.h>        /* Needed for NDKMAP define */
  32
  33 #ifdef  __cplusplus
  34 extern "C" {
  35 #endif
  36
  37 /*
  38  * Structures and definitions for disk io control commands
  39  */
  40
  41 /*
  42  * Structures used as data by ioctl calls.
  43  */
  44
  45 #define DK_DEVLEN       16              /* device name max length, including */
  46                                         /* unit # & NULL (ie - "xyc1") */
  47
  48 /*
  49  * Used for controller info
  50  */
  51 struct dk_cinfo {
  52         char    dki_cname[DK_DEVLEN];   /* controller name (no unit #) */
  53         ushort_t dki_ctype;             /* controller type */
  54         ushort_t dki_flags;             /* flags */
  55         ushort_t dki_cnum;              /* controller number */
  56         uint_t  dki_addr;               /* controller address */
  57         uint_t  dki_space;              /* controller bus type */
  58         uint_t  dki_prio;               /* interrupt priority */
  59         uint_t  dki_vec;                /* interrupt vector */
  60         char    dki_dname[DK_DEVLEN];   /* drive name (no unit #) */
  61         uint_t  dki_unit;               /* unit number */
  62         uint_t  dki_slave;              /* slave number */
  63         ushort_t dki_partition;         /* partition number */
  64         ushort_t dki_maxtransfer;       /* max. transfer size in DEV_BSIZE */
  65 };
  66
  67 /*
  68  * Controller types
  69  */
  70 #define DKC_UNKNOWN     0
  71 #define DKC_CDROM       1       /* CD-ROM, SCSI or otherwise */
  72 #define DKC_WDC2880     2
  73 #define DKC_XXX_0       3       /* unassigned */
  74 #define DKC_XXX_1       4       /* unassigned */
  75 #define DKC_DSD5215     5
  76 #define DKC_ACB4000     7
  77 #define DKC_MD21        8
  78 #define DKC_XXX_2       9       /* unassigned */
  79 #define DKC_NCRFLOPPY   10
  80 #define DKC_SMSFLOPPY   12
  81 #define DKC_SCSI_CCS    13      /* SCSI CCS compatible */
  82 #define DKC_INTEL82072  14      /* native floppy chip */
  83 #define DKC_MD          16      /* meta-disk (virtual-disk) driver */
  84 #define DKC_INTEL82077  19      /* 82077 floppy disk controller */
  85 #define DKC_DIRECT      20      /* Intel direct attached device i.e. IDE */
  86 #define DKC_PCMCIA_MEM  21      /* PCMCIA memory disk-like type */
  87 #define DKC_PCMCIA_ATA  22      /* PCMCIA AT Attached type */
  88 #define DKC_VBD         23      /* virtual block device */
  89
  90 /*
  91  * Sun reserves up through 1023
  92  */
  93
  94 #define DKC_CUSTOMER_BASE       1024
  95
  96 /*
  97  * Flags
  98  */
  99 #define DKI_BAD144      0x01    /* use DEC std 144 bad sector fwding */
 100 #define DKI_MAPTRK      0x02    /* controller does track mapping */
 101 #define DKI_FMTTRK      0x04    /* formats only full track at a time */
 102 #define DKI_FMTVOL      0x08    /* formats only full volume at a time */
 103 #define DKI_FMTCYL      0x10    /* formats only full cylinders at a time */
 104 #define DKI_HEXUNIT     0x20    /* unit number is printed as 3 hex digits */
 105 #define DKI_PCMCIA_PFD  0x40    /* PCMCIA pseudo-floppy memory card */
 106
 107 /*
 108  * Used for all partitions
 109  */
 110 struct dk_allmap {
 111         struct dk_map   dka_map[NDKMAP];
 112 };
 113
 114 #if defined(_SYSCALL32)
 115 struct dk_allmap32 {
 116         struct dk_map32 dka_map[NDKMAP];
 117 };
 118 #endif /* _SYSCALL32 */
 119
 120 /*
 121  * Definition of a disk's geometry
 122  */
 123 struct dk_geom {
 124         unsigned short  dkg_ncyl;       /* # of data cylinders */
 125         unsigned short  dkg_acyl;       /* # of alternate cylinders */
 126         unsigned short  dkg_bcyl;       /* cyl offset (for fixed head area) */
 127         unsigned short  dkg_nhead;      /* # of heads */
 128         unsigned short  dkg_obs1;       /* obsolete */
 129         unsigned short  dkg_nsect;      /* # of data sectors per track */
 130         unsigned short  dkg_intrlv;     /* interleave factor */
 131         unsigned short  dkg_obs2;       /* obsolete */
 132         unsigned short  dkg_obs3;       /* obsolete */
 133         unsigned short  dkg_apc;        /* alternates per cyl (SCSI only) */
 134         unsigned short  dkg_rpm;        /* revolutions per minute */
 135         unsigned short  dkg_pcyl;       /* # of physical cylinders */
 136         unsigned short  dkg_write_reinstruct;   /* # sectors to skip, writes */
 137         unsigned short  dkg_read_reinstruct;    /* # sectors to skip, reads */
 138         unsigned short  dkg_extra[7];   /* for compatible expansion */
 139 };
 140
 141 /*
 142  * These defines are for historic compatibility with old drivers.
 143  */
 144 #define dkg_bhead       dkg_obs1        /* used to be head offset */
 145 #define dkg_gap1        dkg_obs2        /* used to be gap1 */
 146 #define dkg_gap2        dkg_obs3        /* used to be gap2 */
 147
 148 /*
 149  * Disk io control commands
 150  * Warning: some other ioctls with the DIOC prefix exist elsewhere.
 151  * The Generic DKIOC numbers are from   0   -  50.
 152  *      The Floppy Driver uses          51  - 100.
 153  *      The Hard Disk (except SCSI)     101 - 106.      (these are obsolete)
 154  *      The CDROM Driver                151 - 200.
 155  *      The USCSI ioctl                 201 - 250.
 156  */
 157 #define DKIOC           (0x04 << 8)
 158
 159 /*
 160  * The following ioctls are generic in nature and need to be
 161  * suported as appropriate by all disk drivers
 162  */
 163 #define DKIOCGGEOM      (DKIOC|1)               /* Get geometry */
 164 #define DKIOCINFO       (DKIOC|3)               /* Get info */
 165 #define DKIOCEJECT      (DKIOC|6)               /* Generic 'eject' */
 166 #define DKIOCGVTOC      (DKIOC|11)              /* Get VTOC */
 167 #define DKIOCSVTOC      (DKIOC|12)              /* Set VTOC & Write to Disk */
 168
 169 /*
 170  * Disk Cache Controls.  These ioctls should be supported by
 171  * all disk drivers.
 172  *
 173  * DKIOCFLUSHWRITECACHE when used from user-mode ignores the ioctl
 174  * argument, but it should be passed as NULL to allow for future
 175  * reinterpretation.  From user-mode, this ioctl request is synchronous.
 176  *
 177  * When invoked from within the kernel, the arg can be NULL to indicate
 178  * a synchronous request or can be the address of a struct dk_callback
 179  * to request an asynchronous callback when the flush request is complete.
 180  * In this case, the flag to the ioctl must include FKIOCTL and the
 181  * dkc_callback field of the pointed to struct must be non-null or the
 182  * request is made synchronously.
 183  *
 184  * In the callback case: if the ioctl returns 0, a callback WILL be performed.
 185  * If the ioctl returns non-zero, a callback will NOT be performed.
 186  * NOTE: In some cases, the callback may be done BEFORE the ioctl call
 187  * returns.  The caller's locking strategy should be prepared for this case.
 188  */
 189 #define DKIOCFLUSHWRITECACHE    (DKIOC|34)      /* flush cache to phys medium */
 190
 191 struct dk_callback {
 192         void (*dkc_callback)(void *dkc_cookie, int error);
 193         void *dkc_cookie;
 194         int dkc_flag;
 195 };
 196
 197 /* bit flag definitions for dkc_flag */
 198 #define FLUSH_VOLATILE          0x1     /* Bit 0: if set, only flush */
 199                                         /* volatile cache; otherwise, flush */
 200                                         /* volatile and non-volatile cache */
 201
 202 #define DKIOCGETWCE             (DKIOC|36)      /* Get current write cache */
 203                                                 /* enablement status */
 204 #define DKIOCSETWCE             (DKIOC|37)      /* Enable/Disable write cache */
 205
 206 /*
 207  * The following ioctls are used by Sun drivers to communicate
 208  * with their associated format routines. Support of these ioctls
 209  * is not required of foreign drivers
 210  */
 211 #define DKIOCSGEOM      (DKIOC|2)               /* Set geometry */
 212 #define DKIOCSAPART     (DKIOC|4)               /* Set all partitions */
 213 #define DKIOCGAPART     (DKIOC|5)               /* Get all partitions */
 214 #define DKIOCG_PHYGEOM  (DKIOC|32)              /* get physical geometry */
 215 #define DKIOCG_VIRTGEOM (DKIOC|33)              /* get virtual geometry */
 216
 217 /*
 218  * The following ioctl's are removable media support
 219  */
 220 #define DKIOCLOCK       (DKIOC|7)       /* Generic 'lock' */
 221 #define DKIOCUNLOCK     (DKIOC|8)       /* Generic 'unlock' */
 222 #define DKIOCSTATE      (DKIOC|13)      /* Inquire insert/eject state */
 223 #define DKIOCREMOVABLE  (DKIOC|16)      /* is media removable */
 224
 225
 226 /*
 227  * ioctl for hotpluggable devices
 228  */
 229 #define DKIOCHOTPLUGGABLE       (DKIOC|35)      /* is hotpluggable */
 230
 231 /*
 232  * Ioctl to force driver to re-read the alternate partition and rebuild
 233  * the internal defect map.
 234  */
 235 #define DKIOCADDBAD     (DKIOC|20)      /* Re-read the alternate map (IDE) */
 236 #define DKIOCGETDEF     (DKIOC|21)      /* read defect list (IDE)          */
 237
 238 /*
 239  * Used by applications to get disk defect information from IDE
 240  * drives.
 241  */
 242 #ifdef _SYSCALL32
 243 struct defect_header32 {
 244         int             head;
 245         caddr32_t       buffer;
 246 };
 247 #endif /* _SYSCALL32 */
 248
 249 struct defect_header {
 250         int             head;
 251         caddr_t         buffer;
 252 };
 253
 254 #define DKIOCPARTINFO   (DKIOC|22)      /* Get partition or slice parameters */
 255
 256 /*
 257  * Used by applications to get partition or slice information
 258  */
 259 #ifdef _SYSCALL32
 260 struct part_info32 {
 261         daddr32_t       p_start;
 262         int             p_length;
 263 };
 264 #endif /* _SYSCALL32 */
 265
 266 struct part_info {
 267         daddr_t         p_start;
 268         int             p_length;
 269 };
 270
 271 /* The following ioctls are for Optical Memory Device */
 272 #define DKIOC_EBP_ENABLE  (DKIOC|40)    /* enable by pass erase on write */
 273 #define DKIOC_EBP_DISABLE (DKIOC|41)    /* disable by pass erase on write */
 274
 275 /*
 276  * This state enum is the argument passed to the DKIOCSTATE ioctl.
 277  */
 278 enum dkio_state { DKIO_NONE, DKIO_EJECTED, DKIO_INSERTED, DKIO_DEV_GONE };
 279
 280 #define DKIOCGMEDIAINFO (DKIOC|42)      /* get information about the media */
 281
 282 /*
 283  * ioctls to read/write mboot info.
 284  */
 285 #define DKIOCGMBOOT     (DKIOC|43)      /* get mboot info */
 286 #define DKIOCSMBOOT     (DKIOC|44)      /* set mboot info */
 287
 288 /*
 289  * ioctl to get the device temperature.
 290  */
 291 #define DKIOCGTEMPERATURE       (DKIOC|45)      /* get temperature */
 292
 293 /*
 294  * Used for providing the temperature.
 295  */
 296
 297 struct  dk_temperature  {
 298         uint_t          dkt_flags;      /* Flags */
 299         short           dkt_cur_temp;   /* Current disk temperature */
 300         short           dkt_ref_temp;   /* reference disk temperature */
 301 };
 302
 303 #define DKT_BYPASS_PM           0x1
 304 #define DKT_INVALID_TEMP        0xFFFF
 305
 306
 307 /*
 308  * Used for Media info or the current profile info
 309  */
 310 struct dk_minfo {
 311         uint_t          dki_media_type; /* Media type or profile info */
 312         uint_t          dki_lbsize;     /* Logical blocksize of media */
 313         diskaddr_t      dki_capacity;   /* Capacity as # of dki_lbsize blks */
 314 };
 315
 316 /*
 317  * Media types or profiles known
 318  */
 319 #define DK_UNKNOWN              0x00    /* Media inserted - type unknown */
 320
 321
 322 /*
 323  * SFF 8090 Specification Version 3, media types 0x01 - 0xfffe are retained to
 324  * maintain compatibility with SFF8090.  The following define the
 325  * optical media type.
 326  */
 327 #define DK_REMOVABLE_DISK       0x02 /* Removable Disk */
 328 #define DK_MO_ERASABLE          0x03 /* MO Erasable */
 329 #define DK_MO_WRITEONCE         0x04 /* MO Write once */
 330 #define DK_AS_MO                0x05 /* AS MO */
 331 #define DK_CDROM                0x08 /* CDROM */
 332 #define DK_CDR                  0x09 /* CD-R */
 333 #define DK_CDRW                 0x0A /* CD-RW */
 334 #define DK_DVDROM               0x10 /* DVD-ROM */
 335 #define DK_DVDR                 0x11 /* DVD-R */
 336 #define DK_DVDRAM               0x12 /* DVD_RAM or DVD-RW */
 337
 338 /*
 339  * Media types for other rewritable magnetic media
 340  */
 341 #define DK_FIXED_DISK           0x10001 /* Fixed disk SCSI or otherwise */
 342 #define DK_FLOPPY               0x10002 /* Floppy media */
 343 #define DK_ZIP                  0x10003 /* IOMEGA ZIP media */
 344 #define DK_JAZ                  0x10004 /* IOMEGA JAZ media */
 345
 346 #define DKIOCSETEFI     (DKIOC|17)              /* Set EFI info */
 347 #define DKIOCGETEFI     (DKIOC|18)              /* Get EFI info */
 348
 349 #define DKIOCPARTITION  (DKIOC|9)               /* Get partition info */
 350
 351 /*
 352  * Ioctls to get/set volume capabilities related to Logical Volume Managers.
 353  * They include the ability to get/set capabilities and to issue a read to a
 354  * specific underlying device of a replicated device.
 355  */
 356
 357 #define DKIOCGETVOLCAP  (DKIOC | 25)    /* Get volume capabilities */
 358 #define DKIOCSETVOLCAP  (DKIOC | 26)    /* Set volume capabilities */
 359 #define DKIOCDMR        (DKIOC | 27)    /* Issue a directed read */
 360
 361 typedef uint_t volcapinfo_t;
 362
 363 typedef uint_t volcapset_t;
 364
 365 #define DKV_ABR_CAP 0x00000001          /* Support Appl.Based Recovery */
 366 #define DKV_DMR_CAP 0x00000002          /* Support Directed  Mirror Read */
 367
 368 typedef struct volcap {
 369         volcapinfo_t vc_info;   /* Capabilities available */
 370         volcapset_t vc_set;     /* Capabilities set */
 371 } volcap_t;
 372
 373 #define VOL_SIDENAME 256
 374
 375 typedef struct vol_directed_rd {
 376         int             vdr_flags;
 377         offset_t        vdr_offset;
 378         size_t          vdr_nbytes;
 379         size_t          vdr_bytesread;
 380         void            *vdr_data;
 381         int             vdr_side;
 382         char            vdr_side_name[VOL_SIDENAME];
 383 } vol_directed_rd_t;
 384
 385 #define DKV_SIDE_INIT           (-1)
 386 #define DKV_DMR_NEXT_SIDE       0x00000001
 387 #define DKV_DMR_DONE            0x00000002
 388 #define DKV_DMR_ERROR           0x00000004
 389 #define DKV_DMR_SUCCESS         0x00000008
 390 #define DKV_DMR_SHORT           0x00000010
 391
 392 #ifdef _MULTI_DATAMODEL
 393 #if _LONG_LONG_ALIGNMENT == 8 && _LONG_LONG_ALIGNMENT_32 == 4
 394 #pragma pack(4)
 395 #endif
 396 typedef struct vol_directed_rd32 {
 397         int32_t         vdr_flags;
 398         offset_t        vdr_offset;     /* 64-bit element on 32-bit alignment */
 399         size32_t        vdr_nbytes;
 400         size32_t        vdr_bytesread;
 401         caddr32_t       vdr_data;
 402         int32_t         vdr_side;
 403         char            vdr_side_name[VOL_SIDENAME];
 404 } vol_directed_rd32_t;
 405 #if _LONG_LONG_ALIGNMENT == 8 && _LONG_LONG_ALIGNMENT_32 == 4
 406 #pragma pack()
 407 #endif
 408 #endif  /* _MULTI_DATAMODEL */
 409
 410 /*
 411  * The ioctl is used to fetch disk's device type, vendor ID,
 412  * model number/product ID, firmware revision and serial number together.
 413  *
 414  * Currently there are two device types - DKD_ATA_TYPE which means the
 415  * disk is driven by cmdk/ata or dad/uata driver, and DKD_SCSI_TYPE
 416  * which means the disk is driven by sd/scsi hba driver.
 417  */
 418 #define DKIOC_GETDISKID (DKIOC|46)
 419
 420 /* These two labels are for dkd_dtype of dk_disk_id_t */
 421 #define DKD_ATA_TYPE    0x01 /* ATA disk or legacy mode SATA disk */
 422 #define DKD_SCSI_TYPE   0x02 /* SCSI disk or native mode SATA disk */
 423
 424 #define DKD_ATA_MODEL   40      /* model number length */
 425 #define DKD_ATA_FWVER   8       /* firmware revision length */
 426 #define DKD_ATA_SERIAL  20      /* serial number length */
 427
 428 #define DKD_SCSI_VENDOR 8       /* vendor ID length */
 429 #define DKD_SCSI_PRODUCT 16     /* product ID length */
 430 #define DKD_SCSI_REVLEVEL 4     /* revision level length */
 431 #define DKD_SCSI_SERIAL 12      /* serial number length */
 432
 433 /*
 434  * The argument type for DKIOC_GETDISKID ioctl.
 435  */
 436 typedef struct dk_disk_id {
 437         uint_t  dkd_dtype;
 438         union {
 439                 struct {
 440                         char dkd_amodel[DKD_ATA_MODEL];         /* 40 bytes */
 441                         char dkd_afwver[DKD_ATA_FWVER];         /* 8 bytes */
 442                         char dkd_aserial[DKD_ATA_SERIAL];       /* 20 bytes */
 443                 } ata_disk_id;
 444                 struct {
 445                         char dkd_svendor[DKD_SCSI_VENDOR];      /* 8 bytes */
 446                         char dkd_sproduct[DKD_SCSI_PRODUCT];    /* 16 bytes */
 447                         char dkd_sfwver[DKD_SCSI_REVLEVEL];     /* 4 bytes */
 448                         char dkd_sserial[DKD_SCSI_SERIAL];      /* 12 bytes */
 449                 } scsi_disk_id;
 450         } disk_id;
 451 } dk_disk_id_t;
 452
 453 /*
 454  * The ioctl is used to update the firmware of device.
 455  */
 456 #define DKIOC_UPDATEFW          (DKIOC|47)
 457
 458 /* The argument type for DKIOC_UPDATEFW ioctl */
 459 typedef struct dk_updatefw {
 460         caddr_t         dku_ptrbuf;     /* pointer to firmware buf */
 461         uint_t          dku_size;       /* firmware buf length */
 462         uint8_t         dku_type;       /* firmware update type */
 463 } dk_updatefw_t;
 464
 465 #ifdef _SYSCALL32
 466 typedef struct dk_updatefw_32 {
 467         caddr32_t       dku_ptrbuf;     /* pointer to firmware buf */
 468         uint_t          dku_size;       /* firmware buf length */
 469         uint8_t         dku_type;       /* firmware update type */
 470 } dk_updatefw_32_t;
 471 #endif /* _SYSCALL32 */
 472
 473 /*
 474  * firmware update type - temporary or permanent use
 475  */
 476 #define FW_TYPE_TEMP    0x0             /* temporary use */
 477 #define FW_TYPE_PERM    0x1             /* permanent use */
 478
 479
 480 #ifdef  __cplusplus
 481 }
 482 #endif
 483
 484 #endif /* _SYS_DKIO_H */