1 /* $NetBSD: disklabel_acorn.h,v 1.6 2005/12/11 12:25:20 christos Exp $ */ 2 3 /* 4 * Copyright (c) 1994 Mark Brinicombe. 5 * Copyright (c) 1994 Brini. 6 * All rights reserved. 7 * 8 * This code is derived from software written for Brini by Mark Brinicombe 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by Brini. 21 * 4. The name of the company nor the name of the author may be used to 22 * endorse or promote products derived from this software without specific 23 * prior written permission. 24 * 25 * THIS SOFTWARE IS PROVIDED BY BRINI ``AS IS'' AND ANY EXPRESS OR IMPLIED 26 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 27 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 28 * IN NO EVENT SHALL BRINI OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 29 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 30 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 31 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 35 * SUCH DAMAGE. 36 */ 37 38 #ifndef _SYS_DISKLABEL_ACORN_H_ 39 #define _SYS_DISKLABEL_ACORN_H_ 40 41 #define PARTITION_TYPE_UNUSED 0 42 #define PARTITION_TYPE_ADFS 1 43 #define PARTITION_TYPE_RISCIX 2 44 45 #define PARTITION_FORMAT_RISCIX 2 46 #define PARTITION_FORMAT_RISCBSD 0x42 47 48 #define FILECORE_BOOT_SECTOR 6 49 50 /* Stuff to deal with RISCiX partitions */ 51 52 #define NRISCIX_PARTITIONS 8 53 #define RISCIX_PARTITION_OFFSET 8 54 55 struct riscix_partition { 56 uint32_t rp_start; 57 uint32_t rp_length; 58 uint32_t rp_type; 59 int8_t rp_name[16]; 60 }; 61 62 struct riscix_partition_table { 63 uint32_t pad0; 64 uint32_t pad1; 65 struct riscix_partition partitions[NRISCIX_PARTITIONS]; 66 }; 67 68 struct filecore_bootblock { 69 uint8_t padding0[0x1c0]; 70 uint8_t log2secsize; 71 uint8_t secspertrack; 72 uint8_t heads; 73 uint8_t density; 74 uint8_t idlen; 75 uint8_t log2bpmb; 76 uint8_t skew; 77 uint8_t bootoption; 78 uint8_t lowsector; 79 uint8_t nzones; 80 uint16_t zone_spare; 81 uint32_t root; 82 uint32_t disc_size; 83 uint16_t disc_id; 84 uint8_t disc_name[10]; 85 uint32_t disc_type; 86 87 uint8_t padding1[24]; 88 89 uint8_t partition_type; 90 uint8_t partition_cyl_low; 91 uint8_t partition_cyl_high; 92 uint8_t checksum; 93 }; 94 95 #if defined(_KERNEL) && !defined(__ASSEMBLER__) 96 struct buf; 97 struct cpu_disklabel; 98 struct disklabel; 99 100 /* for readdisklabel. rv != 0 -> matches, msg == NULL -> success */ 101 int filecore_label_read(dev_t, void (*)(struct buf *), 102 struct disklabel *, struct cpu_disklabel *, const char **, int *, 103 int *); 104 105 /* for writedisklabel. rv == 0 -> dosen't match, rv > 0 -> success */ 106 int filecore_label_locate(dev_t, void (*)(struct buf *), 107 struct disklabel *, struct cpu_disklabel *, int *, int *); 108 #endif 109 #endif /* _SYS_DISKLABEL_ACORN_H_ */ 110