1 /*-
2 * Copyright (c) 2008 Andrew Thompson <thompsa@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 *
26 * $FreeBSD: releng/10.2/sys/geom/linux_lvm/g_linux_lvm.h 176417 2008-02-20 07:45:36Z thompsa $
27 */
28
29 #define G_LLVM_DEBUG(lvl, ...) do { \
30 if (g_llvm_debug >= (lvl)) { \
31 printf("GEOM_LINUX_LVM"); \
32 if (g_llvm_debug > 0) \
33 printf("[%u]", lvl); \
34 printf(": "); \
35 printf(__VA_ARGS__); \
36 printf("\n"); \
37 } \
38 } while (0)
39
40 #define G_LLVM_CLASS_NAME "LINUX_LVM"
41 #define G_LLVM_NAMELEN 128
42 #define G_LLVM_UUIDLEN 40
43 #define G_LLVM_MAGIC "\040\114\126\115\062\040\170\133" \
44 "\065\101\045\162\060\116\052\076"
45
46 struct g_llvm_label {
47 uint64_t ll_sector;
48 uint32_t ll_crc;
49 uint32_t ll_offset;
50 char ll_uuid[G_LLVM_UUIDLEN];
51 uint64_t ll_size;
52 uint64_t ll_pestart;
53 uint64_t ll_md_offset;
54 uint64_t ll_md_size;
55 };
56
57 struct g_llvm_metadata {
58 uint32_t md_csum;
59 uint32_t md_version;
60 uint64_t md_start;
61 uint64_t md_size;
62 uint64_t md_reloffset;
63 uint64_t md_relsize;
64 struct g_llvm_vg *md_vg;
65 };
66
67 struct g_llvm_lv {
68 LIST_ENTRY(g_llvm_lv) lv_next;
69 struct g_llvm_vg *lv_vg;
70 char lv_name[G_LLVM_NAMELEN];
71 char lv_uuid[G_LLVM_UUIDLEN];
72 int lv_sgcount;
73 int lv_sgactive;
74 struct g_provider *lv_gprov;
75 int lv_extentcount;
76 LIST_HEAD(, g_llvm_segment) lv_segs;
77 int lv_numsegs;
78 struct g_llvm_segment *lv_firstsg;
79 };
80
81 struct g_llvm_pv {
82 LIST_ENTRY(g_llvm_pv) pv_next;
83 struct g_llvm_vg *pv_vg;
84 char pv_name[G_LLVM_NAMELEN];
85 char pv_uuid[G_LLVM_UUIDLEN];
86 size_t pv_size;
87 off_t pv_start;
88 int pv_count;
89 struct g_provider *pv_gprov;
90 struct g_consumer *pv_gcons;
91 };
92
93 struct g_llvm_segment {
94 LIST_ENTRY(g_llvm_segment) sg_next;
95 int sg_start;
96 int sg_end;
97 int sg_count;
98 char sg_pvname[G_LLVM_NAMELEN];
99 struct g_llvm_pv *sg_pv;
100 int sg_pvstart;
101 off_t sg_pvoffset;
102 };
103
104 struct g_llvm_vg {
105 LIST_ENTRY(g_llvm_vg) vg_next;
106 char vg_name[G_LLVM_NAMELEN];
107 char vg_uuid[G_LLVM_UUIDLEN];
108 size_t vg_extentsize;
109 int vg_sectorsize;
110 struct g_geom *vg_geom;
111 LIST_HEAD(, g_llvm_pv) vg_pvs;
112 LIST_HEAD(, g_llvm_lv) vg_lvs;
113 };
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