1 /* $NetBSD: disk.h,v 1.1 2009/03/02 09:33:02 nonaka Exp $ */ 2 /* $OpenBSD: disk.h,v 1.1 2005/05/24 20:38:20 uwe Exp $ */ 3 4 /* 5 * Copyright (c) 1997 Tobias Weingartner 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 */ 30 31 #ifndef _STAND_DISK_H 32 #define _STAND_DISK_H 33 34 #include <sys/disklabel.h> 35 #include <sys/queue.h> 36 37 #define MAXDEVNAME 16 38 39 /* XXX snatched from <i386/biosdev.h> */ 40 #if 1 41 /* Info about disk from the bios, plus the mapping from 42 * BIOS numbers to BSD major (driver?) number. 43 * 44 * Also, do not bother with BIOSN*() macros, just parcel 45 * the info out, and use it like this. This makes for less 46 * of a dependance on BIOSN*() macros having to be the same 47 * across /boot, /bsd, and userland. 48 */ 49 #define BOOTARG_DISKINFO 1 50 typedef struct _bios_diskinfo { 51 /* BIOS section */ 52 int bios_number; /* BIOS number of drive (or -1) */ 53 54 /* Misc. flags */ 55 uint32_t flags; 56 #define BDI_INVALID 0x00000001 /* I/O error during checksumming */ 57 #define BDI_GOODLABEL 0x00000002 /* Had SCSI or ST506/ESDI disklabel */ 58 #define BDI_BADLABEL 0x00000004 /* Had another disklabel */ 59 #define BDI_EL_TORITO 0x00000008 /* 2,048-byte sectors */ 60 #define BDI_PICKED 0x80000000 /* kernel-only: cksum matched */ 61 } bios_diskinfo_t; 62 63 #define BOOTARG_CKSUMLEN 3 /* uint32_t */ 64 #endif /* 1 */ 65 66 /* All the info on a disk we've found */ 67 struct diskinfo { 68 bios_diskinfo_t bios_info; 69 struct disklabel disklabel; 70 char devname[MAXDEVNAME]; 71 72 TAILQ_ENTRY(diskinfo) list; 73 }; 74 TAILQ_HEAD(disklist_lh, diskinfo); 75 76 /* diskprobe.c */ 77 void diskprobe(char *buf, size_t bufsiz); 78 struct diskinfo *dkdevice(const char *, uint); 79 int bios_devname(int, char *, int); 80 void bios_devpath(int, int, char *); 81 char *bios_getdiskinfo(int, bios_diskinfo_t *); 82 int bios_getdospart(bios_diskinfo_t *); 83 char *bios_getdisklabel(bios_diskinfo_t *, struct disklabel *); 84 void dump_diskinfo(void); 85 86 #endif /* _STAND_DISK_H */ 87