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 27#ifndef _MKIMG_MKIMG_H_ 28#define _MKIMG_MKIMG_H_ 29 30#include <sys/queue.h> 31#include <sys/types.h> 32 33struct part { 34 TAILQ_ENTRY(part) link; 35 char *alias; /* Partition type alias. */ 36 char *contents; /* Contents/size specification. */ 37 u_int kind; /* Content kind. */ 38#define PART_UNDEF 0 39#define PART_KIND_FILE 1 40#define PART_KIND_PIPE 2 41#define PART_KIND_SIZE 3 42 u_int index; /* Partition index (0-based). */ 43 uintptr_t type; /* Scheme-specific partition type. */ 44 lba_t block; /* Block-offset of partition in image. */ 45 lba_t size; /* Size in blocks of partition. */ 46 char *label; /* Partition label. */ 47}; 48 49extern TAILQ_HEAD(partlisthead, part) partlist; 50extern u_int nparts; 51 52extern u_int unit_testing; 53extern u_int verbose; 54 55extern u_int ncyls; 56extern u_int nheads; 57extern u_int nsecs; 58extern u_int secsz; /* Logical block size. */ 59extern u_int blksz; /* Physical block size. */ 60extern uint32_t active_partition; 61 62static inline lba_t 63round_block(lba_t n) 64{ 65 lba_t b = blksz / secsz; 66 return ((n + b - 1) & ~(b - 1)); 67} 68 69static inline lba_t 70round_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 77static inline lba_t 78round_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 87ssize_t sparse_write(int, const void *, size_t); 88#endif 89 90void mkimg_chs(lba_t, u_int, u_int *, u_int *, u_int *); 91 92struct mkimg_uuid { 93 uint32_t time_low; 94 uint16_t time_mid; 95 uint16_t time_hi_and_version; 96 uint8_t clock_seq_hi_and_reserved; 97 uint8_t clock_seq_low; 98 uint8_t node[6]; 99}; 100typedef struct mkimg_uuid mkimg_uuid_t; 101 102void mkimg_uuid(mkimg_uuid_t *); 103void mkimg_uuid_enc(void *, const mkimg_uuid_t *); 104 105#ifdef __linux__ 106# if !defined(__unused) 107# define __unused __attribute__ ((__unused__)) 108# endif 109#endif 110 111#endif /* _MKIMG_MKIMG_H_ */ 112