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      1 /*	$NetBSD: biosdisk.h,v 1.13 2021/05/30 05:59:23 mlelstv Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1996
      5  *	Matthias Drochner.  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 WARRANTIES
     18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     21  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     22  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     23  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     25  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     26  */
     27 
     28 #define BIOSDISK_PART_NAME_LEN 36
     29 
     30 struct biosdisk_partition {
     31 	daddr_t offset;
     32 	daddr_t size;
     33 	int     fstype;
     34 #ifndef NO_GPT
     35 	const struct gpt_part {
     36 		const struct uuid *guid;
     37 		const char *name;
     38 	} *guid;
     39 	uint64_t attr;
     40 	char *part_name; /* maximum BIOSDISK_PART_NAME_LEN */
     41 #endif
     42 };
     43 
     44 extern struct btinfo_bootdisk bi_disk;
     45 extern struct btinfo_bootwedge bi_wedge;
     46 extern struct btinfo_rootdevice bi_root;
     47 
     48 int biosdisk_strategy(void *, int, daddr_t, size_t, void *, size_t *);
     49 int biosdisk_open(struct open_file *, ...);
     50 int biosdisk_open_name(struct open_file *, const char *);
     51 int biosdisk_close(struct open_file *);
     52 int biosdisk_ioctl(struct open_file *, u_long, void *);
     53 int biosdisk_findpartition(int, daddr_t, int *, const char **);
     54 int biosdisk_readpartition(int, daddr_t, daddr_t,
     55      struct biosdisk_partition **, int *);
     56 
     57 struct RF_ComponentLabel_s;
     58 int biosdisk_read_raidframe(int, daddr_t, struct RF_ComponentLabel_s *);
     59 
     60 #if !defined(NO_GPT)
     61 struct uuid;
     62 bool guid_is_nil(const struct uuid *);
     63 bool guid_is_equal(const struct uuid *, const struct uuid *);
     64 #endif
     65