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