1/*- 2 * Copyright (c) 2004-2005 Pawel Jakub Dawidek <pjd@FreeBSD.org> 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 AUTHORS 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 AUTHORS 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 *
| 1/*- 2 * Copyright (c) 2004-2005 Pawel Jakub Dawidek <pjd@FreeBSD.org> 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 AUTHORS 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 AUTHORS 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 *
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26 * $FreeBSD: head/sys/geom/label/g_label.h 142727 2005-02-27 23:07:47Z pjd $
| 26 * $FreeBSD: head/sys/geom/label/g_label.h 148978 2005-08-12 00:27:45Z pjd $
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27 */ 28 29#ifndef _G_LABEL_H_ 30#define _G_LABEL_H_ 31 32#include <sys/endian.h> 33 34#define G_LABEL_CLASS_NAME "LABEL" 35 36#define G_LABEL_MAGIC "GEOM::LABEL" 37/* 38 * Version history: 39 * 1 - Initial version number. 40 * 2 - Added md_provsize field to metadata. 41 */ 42#define G_LABEL_VERSION 2 43#define G_LABEL_DIR "label" 44 45#ifdef _KERNEL 46extern u_int g_label_debug; 47 48#define G_LABEL_DEBUG(lvl, ...) do { \ 49 if (g_label_debug >= (lvl)) { \ 50 printf("GEOM_LABEL"); \ 51 if (g_label_debug > 0) \ 52 printf("[%u]", lvl); \ 53 printf(": "); \ 54 printf(__VA_ARGS__); \ 55 printf("\n"); \ 56 } \ 57} while (0) 58 59typedef void g_label_taste_t (struct g_consumer *cp, char *label, size_t size); 60 61struct g_label_desc { 62 g_label_taste_t *ld_taste; 63 char *ld_dir; 64}; 65 66/* Supported labels. */ 67extern const struct g_label_desc g_label_ufs; 68extern const struct g_label_desc g_label_iso9660; 69extern const struct g_label_desc g_label_msdosfs;
| 27 */ 28 29#ifndef _G_LABEL_H_ 30#define _G_LABEL_H_ 31 32#include <sys/endian.h> 33 34#define G_LABEL_CLASS_NAME "LABEL" 35 36#define G_LABEL_MAGIC "GEOM::LABEL" 37/* 38 * Version history: 39 * 1 - Initial version number. 40 * 2 - Added md_provsize field to metadata. 41 */ 42#define G_LABEL_VERSION 2 43#define G_LABEL_DIR "label" 44 45#ifdef _KERNEL 46extern u_int g_label_debug; 47 48#define G_LABEL_DEBUG(lvl, ...) do { \ 49 if (g_label_debug >= (lvl)) { \ 50 printf("GEOM_LABEL"); \ 51 if (g_label_debug > 0) \ 52 printf("[%u]", lvl); \ 53 printf(": "); \ 54 printf(__VA_ARGS__); \ 55 printf("\n"); \ 56 } \ 57} while (0) 58 59typedef void g_label_taste_t (struct g_consumer *cp, char *label, size_t size); 60 61struct g_label_desc { 62 g_label_taste_t *ld_taste; 63 char *ld_dir; 64}; 65 66/* Supported labels. */ 67extern const struct g_label_desc g_label_ufs; 68extern const struct g_label_desc g_label_iso9660; 69extern const struct g_label_desc g_label_msdosfs;
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| 70extern const struct g_label_desc g_label_ext2fs; 71extern const struct g_label_desc g_label_reiserfs;
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70#endif /* _KERNEL */ 71 72struct g_label_metadata { 73 char md_magic[16]; /* Magic value. */ 74 uint32_t md_version; /* Version number. */ 75 char md_label[16]; /* Label. */ 76 uint64_t md_provsize; /* Provider's size. */ 77}; 78static __inline void 79label_metadata_encode(const struct g_label_metadata *md, u_char *data) 80{ 81 82 bcopy(md->md_magic, data, sizeof(md->md_magic)); 83 le32enc(data + 16, md->md_version); 84 bcopy(md->md_label, data + 20, sizeof(md->md_label)); 85 le64enc(data + 36, md->md_provsize); 86} 87static __inline void 88label_metadata_decode(const u_char *data, struct g_label_metadata *md) 89{ 90 91 bcopy(data, md->md_magic, sizeof(md->md_magic)); 92 md->md_version = le32dec(data + 16); 93 bcopy(data + 20, md->md_label, sizeof(md->md_label)); 94 md->md_provsize = le64dec(data + 36); 95} 96#endif /* _G_LABEL_H_ */
| 72#endif /* _KERNEL */ 73 74struct g_label_metadata { 75 char md_magic[16]; /* Magic value. */ 76 uint32_t md_version; /* Version number. */ 77 char md_label[16]; /* Label. */ 78 uint64_t md_provsize; /* Provider's size. */ 79}; 80static __inline void 81label_metadata_encode(const struct g_label_metadata *md, u_char *data) 82{ 83 84 bcopy(md->md_magic, data, sizeof(md->md_magic)); 85 le32enc(data + 16, md->md_version); 86 bcopy(md->md_label, data + 20, sizeof(md->md_label)); 87 le64enc(data + 36, md->md_provsize); 88} 89static __inline void 90label_metadata_decode(const u_char *data, struct g_label_metadata *md) 91{ 92 93 bcopy(data, md->md_magic, sizeof(md->md_magic)); 94 md->md_version = le32dec(data + 16); 95 bcopy(data + 20, md->md_label, sizeof(md->md_label)); 96 md->md_provsize = le64dec(data + 36); 97} 98#endif /* _G_LABEL_H_ */
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