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112 lines
3.2 KiB
C
112 lines
3.2 KiB
C
/*-
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* Copyright (c) 2014 Juniper Networks, Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef _MKIMG_MKIMG_H_
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#define _MKIMG_MKIMG_H_
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#include <sys/queue.h>
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#include <sys/types.h>
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struct part {
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TAILQ_ENTRY(part) link;
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char *alias; /* Partition type alias. */
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char *contents; /* Contents/size specification. */
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u_int kind; /* Content kind. */
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#define PART_UNDEF 0
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#define PART_KIND_FILE 1
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#define PART_KIND_PIPE 2
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#define PART_KIND_SIZE 3
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u_int index; /* Partition index (0-based). */
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uintptr_t type; /* Scheme-specific partition type. */
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lba_t block; /* Block-offset of partition in image. */
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lba_t size; /* Size in blocks of partition. */
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char *label; /* Partition label. */
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};
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extern TAILQ_HEAD(partlisthead, part) partlist;
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extern u_int nparts;
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extern u_int unit_testing;
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extern u_int verbose;
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extern u_int ncyls;
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extern u_int nheads;
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extern u_int nsecs;
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extern u_int secsz; /* Logical block size. */
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extern u_int blksz; /* Physical block size. */
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extern uint32_t active_partition;
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static inline lba_t
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round_block(lba_t n)
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{
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lba_t b = blksz / secsz;
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return ((n + b - 1) & ~(b - 1));
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}
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static inline lba_t
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round_cylinder(lba_t n)
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{
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u_int cyl = nsecs * nheads;
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u_int r = n % cyl;
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return ((r == 0) ? n : n + cyl - r);
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}
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static inline lba_t
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round_track(lba_t n)
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{
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u_int r = n % nsecs;
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return ((r == 0) ? n : n + nsecs - r);
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}
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#if !defined(SPARSE_WRITE)
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#define sparse_write write
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#else
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ssize_t sparse_write(int, const void *, size_t);
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#endif
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void mkimg_chs(lba_t, u_int, u_int *, u_int *, u_int *);
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struct mkimg_uuid {
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uint32_t time_low;
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uint16_t time_mid;
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uint16_t time_hi_and_version;
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uint8_t clock_seq_hi_and_reserved;
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uint8_t clock_seq_low;
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uint8_t node[6];
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};
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typedef struct mkimg_uuid mkimg_uuid_t;
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void mkimg_uuid(mkimg_uuid_t *);
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void mkimg_uuid_enc(void *, const mkimg_uuid_t *);
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#ifdef __linux__
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# if !defined(__unused)
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# define __unused __attribute__ ((__unused__))
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# endif
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#endif
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#endif /* _MKIMG_MKIMG_H_ */
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