1 /*- 2 * Copyright (c) 2013,2014 Juniper Networks, Inc. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27 #ifndef _MKIMG_SCHEME_H_ 28 #define _MKIMG_SCHEME_H_ 29 30 enum alias { 31 ALIAS_NONE, /* Keep first! */ 32 /* start */ 33 ALIAS_EBR, 34 ALIAS_EFI, 35 ALIAS_FAT16B, 36 ALIAS_FAT32, 37 ALIAS_FAT32LBA, 38 ALIAS_FREEBSD, 39 ALIAS_FREEBSD_BOOT, 40 ALIAS_FREEBSD_NANDFS, 41 ALIAS_FREEBSD_SWAP, 42 ALIAS_FREEBSD_UFS, 43 ALIAS_FREEBSD_VINUM, 44 ALIAS_FREEBSD_ZFS, 45 ALIAS_MBR, 46 ALIAS_NTFS, 47 ALIAS_PPCBOOT, 48 /* end */ 49 ALIAS_COUNT /* Keep last! */ 50 }; 51 52 struct mkimg_alias { 53 u_int alias; 54 uintptr_t type; 55 #define ALIAS_PTR2TYPE(p) (uintptr_t)(p) 56 #define ALIAS_INT2TYPE(i) (i) 57 #define ALIAS_TYPE2PTR(p) (void *)(p) 58 #define ALIAS_TYPE2INT(i) (i) 59 }; 60 61 struct mkimg_scheme { 62 struct mkimg_scheme *next; 63 const char *name; 64 const char *description; 65 struct mkimg_alias *aliases; 66 lba_t (*metadata)(u_int, lba_t); 67 #define SCHEME_META_IMG_START 1 68 #define SCHEME_META_IMG_END 2 69 #define SCHEME_META_PART_BEFORE 3 70 #define SCHEME_META_PART_AFTER 4 71 #define SCHEME_META_PART_ABSOLUTE 5 72 int (*write)(lba_t, void *); 73 u_int nparts; 74 u_int labellen; 75 u_int bootcode; 76 u_int maxsecsz; 77 }; 78 79 #define SCHEME_DEFINE(nm) \ 80 static void scheme_register_##nm(void) __attribute__((constructor)); \ 81 static void scheme_register_##nm(void) { scheme_register(&nm); } 82 83 struct mkimg_scheme *scheme_iterate(struct mkimg_scheme *); 84 void scheme_register(struct mkimg_scheme *); 85 int scheme_select(const char *); 86 struct mkimg_scheme *scheme_selected(void); 87 88 int scheme_bootcode(int fd); 89 int scheme_check_part(struct part *); 90 u_int scheme_max_parts(void); 91 u_int scheme_max_secsz(void); 92 lba_t scheme_metadata(u_int, lba_t); 93 int scheme_write(lba_t); 94 95 #endif /* _MKIMG_SCHEME_H_ */ 96