1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (c) 2008 Andrew Thompson <thompsa@FreeBSD.org> 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 * 28 * $FreeBSD$ 29 */ 30 31 #define G_LLVM_DEBUG(lvl, ...) \ 32 _GEOM_DEBUG("GEOM_LINUX_LVM", g_llvm_debug, (lvl), NULL, __VA_ARGS__) 33 34 #define G_LLVM_CLASS_NAME "LINUX_LVM" 35 #define G_LLVM_NAMELEN 128 36 #define G_LLVM_UUIDLEN 40 37 #define G_LLVM_MAGIC "\040\114\126\115\062\040\170\133" \ 38 "\065\101\045\162\060\116\052\076" 39 40 struct g_llvm_label { 41 uint64_t ll_sector; 42 uint32_t ll_crc; 43 uint32_t ll_offset; 44 char ll_uuid[G_LLVM_UUIDLEN]; 45 uint64_t ll_size; 46 uint64_t ll_pestart; 47 uint64_t ll_md_offset; 48 uint64_t ll_md_size; 49 }; 50 51 struct g_llvm_metadata { 52 uint32_t md_csum; 53 uint32_t md_version; 54 uint64_t md_start; 55 uint64_t md_size; 56 uint64_t md_reloffset; 57 uint64_t md_relsize; 58 struct g_llvm_vg *md_vg; 59 }; 60 61 struct g_llvm_lv { 62 LIST_ENTRY(g_llvm_lv) lv_next; 63 struct g_llvm_vg *lv_vg; 64 char lv_name[G_LLVM_NAMELEN]; 65 char lv_uuid[G_LLVM_UUIDLEN]; 66 int lv_sgcount; 67 int lv_sgactive; 68 struct g_provider *lv_gprov; 69 int lv_extentcount; 70 LIST_HEAD(, g_llvm_segment) lv_segs; 71 int lv_numsegs; 72 struct g_llvm_segment *lv_firstsg; 73 }; 74 75 struct g_llvm_pv { 76 LIST_ENTRY(g_llvm_pv) pv_next; 77 struct g_llvm_vg *pv_vg; 78 char pv_name[G_LLVM_NAMELEN]; 79 char pv_uuid[G_LLVM_UUIDLEN]; 80 size_t pv_size; 81 off_t pv_start; 82 int pv_count; 83 struct g_provider *pv_gprov; 84 struct g_consumer *pv_gcons; 85 }; 86 87 struct g_llvm_segment { 88 LIST_ENTRY(g_llvm_segment) sg_next; 89 int sg_start; 90 int sg_end; 91 int sg_count; 92 char sg_pvname[G_LLVM_NAMELEN]; 93 struct g_llvm_pv *sg_pv; 94 int sg_pvstart; 95 off_t sg_pvoffset; 96 }; 97 98 struct g_llvm_vg { 99 LIST_ENTRY(g_llvm_vg) vg_next; 100 char vg_name[G_LLVM_NAMELEN]; 101 char vg_uuid[G_LLVM_UUIDLEN]; 102 size_t vg_extentsize; 103 int vg_sectorsize; 104 struct g_geom *vg_geom; 105 LIST_HEAD(, g_llvm_pv) vg_pvs; 106 LIST_HEAD(, g_llvm_lv) vg_lvs; 107 }; 108