/*      $OpenBSD: disklabel.h,v 1.24 2015/09/30 15:13:54 krw Exp $      */

/*
 * Copyright (c) 1994 Christopher G. Demetriou
 * 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.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *      This product includes software developed by Christopher G. Demetriou.
 * 4. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission
 *
 * 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 AUTHOR 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 _MACHINE_DISKLABEL_H_
#define _MACHINE_DISKLABEL_H_

#define LABELSECTOR     1       /* sector containing label */
#define LABELOFFSET     0       /* offset of label in sector */
#define MAXPARTITIONS   16      /* number of partitions */

/*
 * volume header for "LIF" format volumes
 */
struct  lifvol {
        short   vol_id;
        char    vol_label[6];
        u_int   vol_addr;
        short   vol_oct;
        short   vol_dummy;
        u_int   vol_dirsize;
        short   vol_version;
        short   vol_zero;
        u_int   vol_number;
        u_int   vol_lastvol;
        u_int   vol_length;
        char    vol_toc[6];
        char    vol_dummy1[198];

        u_int   ipl_addr;
        u_int   ipl_size;
        u_int   ipl_entry;

        u_int   vol_dummy2;
};

struct  lifdir {
        char    dir_name[10];
        u_short dir_type;
        u_int   dir_addr;
        u_int   dir_length;
        char    dir_toc[6];
        short   dir_flag;
        u_int   dir_implement;
};

struct lif_load {
        int address;
        int count;
};

#define HPUX_MAGIC      0x8b7f6a3c
#define HPUX_MAXPART    16
struct hpux_label {
        int32_t         hl_magic1;
        u_int32_t       hl_magic;
        int32_t         hl_version;
        struct {
                int32_t hlp_blah[2];
                int32_t hlp_start;
                int32_t hlp_length;
        }               hl_parts[HPUX_MAXPART];
        u_int8_t        hl_flags[HPUX_MAXPART];
#define HPUX_PART_ROOT  0x10
#define HPUX_PART_SWAP  0x14
#define HPUX_PART_BOOT  0x32
        int32_t         hl_blah[3*16];
        u_int16_t       hl_boot;
        u_int16_t       hl_reserved;
        int32_t         hl_magic2;
};

#define LIF_VOL_ID      -32768
#define LIF_VOL_OCT     4096
#define LIF_DIR_SWAP    0x5243
#define LIF_DIR_HPLBL   0xa271
#define LIF_DIR_FS      0xcd38
#define LIF_DIR_IOMAP   0xcd60
#define LIF_DIR_HPUX    0xcd80
#define LIF_DIR_ISL     0xce00
#define LIF_DIR_PAD     0xcffe
#define LIF_DIR_AUTO    0xcfff
#define LIF_DIR_EST     0xd001
#define LIF_DIR_TYPE    0xe942

#define LIF_DIR_FLAG    0x8001  /* dont ask me! */
#define LIF_SECTSIZE    256

#define LIF_NUMDIR      16

#define LIF_VOLSTART    0
#define LIF_VOLSIZE     sizeof(struct lifvol)
#define LIF_DIRSTART    2048
#define LIF_DIRSIZE     (LIF_NUMDIR * sizeof(struct lifdir))
#define LIF_FILESTART   8192

#define btolifs(b)      (((b) + (LIF_SECTSIZE - 1)) / LIF_SECTSIZE)
#define lifstob(s)      ((s) * LIF_SECTSIZE)
#define lifstodb(s)     ((s) * LIF_SECTSIZE / DEV_BSIZE)

#define MAXLIFSPACE     256             /* 512 byte blocks */

#endif /* _MACHINE_DISKLABEL_H_ */