1 /*- 2 * Copyright (c) 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 * $FreeBSD$ 27 */ 28 29 #ifndef _MKIMG_MKIMG_H_ 30 #define _MKIMG_MKIMG_H_ 31 32 #include <sys/queue.h> 33 34 struct part { 35 STAILQ_ENTRY(part) link; 36 char *alias; /* Partition type alias. */ 37 char *contents; /* Contents/size specification. */ 38 u_int kind; /* Content kind. */ 39 #define PART_UNDEF 0 40 #define PART_KIND_FILE 1 41 #define PART_KIND_PIPE 2 42 #define PART_KIND_SIZE 3 43 u_int index; /* Partition index (0-based). */ 44 uintptr_t type; /* Scheme-specific partition type. */ 45 lba_t block; /* Block-offset of partition in image. */ 46 lba_t size; /* Size in blocks of partition. */ 47 char *label; /* Partition label. */ 48 }; 49 50 extern STAILQ_HEAD(partlisthead, part) partlist; 51 extern u_int nparts; 52 53 extern u_int unit_testing; 54 extern u_int verbose; 55 56 extern u_int ncyls; 57 extern u_int nheads; 58 extern u_int nsecs; 59 extern u_int secsz; /* Logical block size. */ 60 extern u_int blksz; /* Physical block size. */ 61 62 static inline lba_t 63 round_block(lba_t n) 64 { 65 lba_t b = blksz / secsz; 66 return ((n + b - 1) & ~(b - 1)); 67 } 68 69 static inline lba_t 70 round_cylinder(lba_t n) 71 { 72 u_int cyl = nsecs * nheads; 73 u_int r = n % cyl; 74 return ((r == 0) ? n : n + cyl - r); 75 } 76 77 static inline lba_t 78 round_track(lba_t n) 79 { 80 u_int r = n % nsecs; 81 return ((r == 0) ? n : n + nsecs - r); 82 } 83 84 #if !defined(SPARSE_WRITE) 85 #define sparse_write write 86 #else 87 ssize_t sparse_write(int, const void *, size_t); 88 #endif 89 90 void mkimg_chs(lba_t, u_int, u_int *, u_int *, u_int *); 91 92 struct uuid; 93 void mkimg_uuid(struct uuid *); 94 95 #endif /* _MKIMG_MKIMG_H_ */ 96