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Annotation of sys/arch/zaurus/stand/zboot/disk.h, Revision 1.1.1.1

1.1       nbrk        1: /*     $OpenBSD: disk.h,v 1.1 2005/05/24 20:38:20 uwe Exp $    */
                      2:
                      3: /*
                      4:  * Copyright (c) 1997 Tobias Weingartner
                      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 AUTHOR ``AS IS'' AND ANY EXPRESS OR
                     17:  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
                     18:  * 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: #ifndef _DISKPROBE_H
                     31: #define _DISKPROBE_H
                     32:
                     33: #include <sys/queue.h>
                     34:
                     35: /* XXX snatched from <i386/biosdev.h> */
                     36: #if 1
                     37: /* Info about disk from the bios, plus the mapping from
                     38:  * BIOS numbers to BSD major (driver?) number.
                     39:  *
                     40:  * Also, do not bother with BIOSN*() macros, just parcel
                     41:  * the info out, and use it like this.  This makes for less
                     42:  * of a dependance on BIOSN*() macros having to be the same
                     43:  * across /boot, /bsd, and userland.
                     44:  */
                     45: #define        BOOTARG_DISKINFO 1
                     46: typedef struct _bios_diskinfo {
                     47:        /* BIOS section */
                     48:        int bios_number;        /* BIOS number of drive (or -1) */
                     49:        u_int bios_cylinders;   /* BIOS cylinders */
                     50:        u_int bios_heads;       /* BIOS heads */
                     51:        u_int bios_sectors;     /* BIOS sectors */
                     52:        int bios_edd;           /* EDD support */
                     53:
                     54:        /* BSD section */
                     55:        dev_t bsd_dev;          /* BSD device */
                     56:
                     57:        /* Checksum section */
                     58:        u_int32_t checksum;     /* Checksum for drive */
                     59:
                     60:        /* Misc. flags */
                     61:        u_int32_t flags;
                     62: #define BDI_INVALID    0x00000001      /* I/O error during checksumming */
                     63: #define BDI_GOODLABEL  0x00000002      /* Had SCSI or ST506/ESDI disklabel */
                     64: #define BDI_BADLABEL   0x00000004      /* Had another disklabel */
                     65: #define BDI_EL_TORITO  0x00000008      /* 2,048-byte sectors */
                     66: #define BDI_PICKED     0x80000000      /* kernel-only: cksum matched */
                     67:
                     68: } bios_diskinfo_t;
                     69:
                     70: #define        BOOTARG_CKSUMLEN 3              /* u_int32_t */
                     71: #endif /* 1 */
                     72:
                     73: /* All the info on a disk we've found */
                     74: struct diskinfo {
                     75:        bios_diskinfo_t bios_info;
                     76:        struct disklabel disklabel;
                     77:
                     78:        dev_t bsddev, bootdev;
                     79:
                     80:        TAILQ_ENTRY(diskinfo) list;
                     81: };
                     82: TAILQ_HEAD(disklist_lh, diskinfo);
                     83:
                     84: /* diskprobe.c */
                     85: struct diskinfo *dkdevice(dev_t, dev_t);
                     86: void            bios_devpath(int, int, char *);
                     87: char           *bios_getdiskinfo(int, bios_diskinfo_t *);
                     88: int             bios_getdospart(bios_diskinfo_t *);
                     89: char           *bios_getdisklabel(bios_diskinfo_t *, struct disklabel *);
                     90: void            dump_diskinfo(void);
                     91:
                     92: #endif /* _DISKPROBE_H */