sys/arch/hpcmips/stand/libsa/diskio.h

   1 /*      $NetBSD: main.c,v 1.43 2000/06/04 04:30:48 takemura Exp $       */
   2
   3 /*-
   4  * Copyright (c) 2000 Tomohide Saito.
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  *
  16  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  26  * SUCH DAMAGE.
  27  *
  28  */
  29
  30 /* "fake" diskio.h */
  31
  32 #define DISK_IOCTL_GETINFO              1
  33 #define DISK_IOCTL_READ                 2
  34 #define DISK_INFO_FLAG_MBR              0x00000001
  35 #define DISK_INFO_FLAG_CHS_UNCERTAIN    0x00000002
  36 #define DISK_INFO_FLAG_UNFORMATTED      0x00000004
  37 #define DISK_INFO_FLAG_PAGEABLE         0x00000008
  38
  39 typedef struct {
  40         long pad1;
  41         DWORD di_bytes_per_sect;/* offset 4 */
  42         DWORD di_cylinders;     /* offset 8 */
  43         DWORD di_heads;         /* offset 12 */
  44         DWORD di_sectors;       /* offset 16 */
  45         DWORD di_flags;         /* offset 20 */
  46 } DISK_INFO;                    /* sizeof(DISK_INFO) = 24 */
  47
  48 typedef struct _SG_REQ {
  49         DWORD sr_start;         /* offset 0 */
  50         DWORD sr_num_sec;       /* offset 4 */
  51         DWORD sr_num_sg;        /* offset 8 */
  52         DWORD sr_status;        /* offset 12 */
  53         DWORD (*sr_callback)(struct _SG_REQ *); /* offset 16 */
  54         struct {                /* offset 20 */
  55                 PUCHAR sb_buf;          /* offset 0 */
  56                 DWORD sb_len;           /* offset 4 */
  57         } sr_sglist[1];                 /* sizeof(sr_sglist[]) = 8 */
  58 } SG_REQ;                       /* sizeof(SG_REQ) = 28 */