/*      $NetBSD: biosdisk.h,v 1.13 2021/05/30 05:59:23 mlelstv Exp $    */

/*
* Copyright (c) 1996
*      Matthias Drochner.  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 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.
*/

#define BIOSDISK_PART_NAME_LEN 36

struct biosdisk_partition {
       daddr_t offset;
       daddr_t size;
       int     fstype;
#ifndef NO_GPT
       const struct gpt_part {
               const struct uuid *guid;
               const char *name;
       } *guid;
       uint64_t attr;
       char *part_name; /* maximum BIOSDISK_PART_NAME_LEN */
#endif
};

extern struct btinfo_bootdisk bi_disk;
extern struct btinfo_bootwedge bi_wedge;
extern struct btinfo_rootdevice bi_root;

int biosdisk_strategy(void *, int, daddr_t, size_t, void *, size_t *);
int biosdisk_open(struct open_file *, ...);
int biosdisk_open_name(struct open_file *, const char *);
int biosdisk_close(struct open_file *);
int biosdisk_ioctl(struct open_file *, u_long, void *);
int biosdisk_findpartition(int, daddr_t, int *, const char **);
int biosdisk_readpartition(int, daddr_t, daddr_t,
    struct biosdisk_partition **, int *);

struct RF_ComponentLabel_s;
int biosdisk_read_raidframe(int, daddr_t, struct RF_ComponentLabel_s *);

#if !defined(NO_GPT)
struct uuid;
bool guid_is_nil(const struct uuid *);
bool guid_is_equal(const struct uuid *, const struct uuid *);
#endif