diff options
Diffstat (limited to 'sys/arch/zaurus/stand/zboot/disk.h')
| -rw-r--r-- | sys/arch/zaurus/stand/zboot/disk.h | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/sys/arch/zaurus/stand/zboot/disk.h b/sys/arch/zaurus/stand/zboot/disk.h new file mode 100644 index 00000000000..9308972b483 --- /dev/null +++ b/sys/arch/zaurus/stand/zboot/disk.h @@ -0,0 +1,92 @@ +/* $OpenBSD: disk.h,v 1.1 2005/05/24 20:38:20 uwe Exp $ */ + +/* + * Copyright (c) 1997 Tobias Weingartner + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + */ + +#ifndef _DISKPROBE_H +#define _DISKPROBE_H + +#include <sys/queue.h> + +/* XXX snatched from <i386/biosdev.h> */ +#if 1 +/* Info about disk from the bios, plus the mapping from + * BIOS numbers to BSD major (driver?) number. + * + * Also, do not bother with BIOSN*() macros, just parcel + * the info out, and use it like this. This makes for less + * of a dependance on BIOSN*() macros having to be the same + * across /boot, /bsd, and userland. + */ +#define BOOTARG_DISKINFO 1 +typedef struct _bios_diskinfo { + /* BIOS section */ + int bios_number; /* BIOS number of drive (or -1) */ + u_int bios_cylinders; /* BIOS cylinders */ + u_int bios_heads; /* BIOS heads */ + u_int bios_sectors; /* BIOS sectors */ + int bios_edd; /* EDD support */ + + /* BSD section */ + dev_t bsd_dev; /* BSD device */ + + /* Checksum section */ + u_int32_t checksum; /* Checksum for drive */ + + /* Misc. flags */ + u_int32_t flags; +#define BDI_INVALID 0x00000001 /* I/O error during checksumming */ +#define BDI_GOODLABEL 0x00000002 /* Had SCSI or ST506/ESDI disklabel */ +#define BDI_BADLABEL 0x00000004 /* Had another disklabel */ +#define BDI_EL_TORITO 0x00000008 /* 2,048-byte sectors */ +#define BDI_PICKED 0x80000000 /* kernel-only: cksum matched */ + +} bios_diskinfo_t; + +#define BOOTARG_CKSUMLEN 3 /* u_int32_t */ +#endif /* 1 */ + +/* All the info on a disk we've found */ +struct diskinfo { + bios_diskinfo_t bios_info; + struct disklabel disklabel; + + dev_t bsddev, bootdev; + + TAILQ_ENTRY(diskinfo) list; +}; +TAILQ_HEAD(disklist_lh, diskinfo); + +/* diskprobe.c */ +struct diskinfo *dkdevice(dev_t, dev_t); +void bios_devpath(int, int, char *); +char *bios_getdiskinfo(int, bios_diskinfo_t *); +int bios_getdospart(bios_diskinfo_t *); +char *bios_getdisklabel(bios_diskinfo_t *, struct disklabel *); +void dump_diskinfo(void); + +#endif /* _DISKPROBE_H */ |