diff options
Diffstat (limited to 'sys/geom/linux_lvm/g_linux_lvm.h')
| -rw-r--r-- | sys/geom/linux_lvm/g_linux_lvm.h | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/sys/geom/linux_lvm/g_linux_lvm.h b/sys/geom/linux_lvm/g_linux_lvm.h new file mode 100644 index 0000000..539fcc6 --- /dev/null +++ b/sys/geom/linux_lvm/g_linux_lvm.h @@ -0,0 +1,113 @@ +/*- + * Copyright (c) 2008 Andrew Thompson <thompsa@FreeBSD.org> + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + */ + +#define G_LLVM_DEBUG(lvl, ...) do { \ + if (g_llvm_debug >= (lvl)) { \ + printf("GEOM_LINUX_LVM"); \ + if (g_llvm_debug > 0) \ + printf("[%u]", lvl); \ + printf(": "); \ + printf(__VA_ARGS__); \ + printf("\n"); \ + } \ +} while (0) + +#define G_LLVM_CLASS_NAME "LINUX_LVM" +#define G_LLVM_NAMELEN 128 +#define G_LLVM_UUIDLEN 40 +#define G_LLVM_MAGIC "\040\114\126\115\062\040\170\133" \ + "\065\101\045\162\060\116\052\076" + +struct g_llvm_label { + uint64_t ll_sector; + uint32_t ll_crc; + uint32_t ll_offset; + char ll_uuid[G_LLVM_UUIDLEN]; + uint64_t ll_size; + uint64_t ll_pestart; + uint64_t ll_md_offset; + uint64_t ll_md_size; +}; + +struct g_llvm_metadata { + uint32_t md_csum; + uint32_t md_version; + uint64_t md_start; + uint64_t md_size; + uint64_t md_reloffset; + uint64_t md_relsize; + struct g_llvm_vg *md_vg; +}; + +struct g_llvm_lv { + LIST_ENTRY(g_llvm_lv) lv_next; + struct g_llvm_vg *lv_vg; + char lv_name[G_LLVM_NAMELEN]; + char lv_uuid[G_LLVM_UUIDLEN]; + int lv_sgcount; + int lv_sgactive; + struct g_provider *lv_gprov; + int lv_extentcount; + LIST_HEAD(, g_llvm_segment) lv_segs; + int lv_numsegs; + struct g_llvm_segment *lv_firstsg; +}; + +struct g_llvm_pv { + LIST_ENTRY(g_llvm_pv) pv_next; + struct g_llvm_vg *pv_vg; + char pv_name[G_LLVM_NAMELEN]; + char pv_uuid[G_LLVM_UUIDLEN]; + size_t pv_size; + off_t pv_start; + int pv_count; + struct g_provider *pv_gprov; + struct g_consumer *pv_gcons; +}; + +struct g_llvm_segment { + LIST_ENTRY(g_llvm_segment) sg_next; + int sg_start; + int sg_end; + int sg_count; + char sg_pvname[G_LLVM_NAMELEN]; + struct g_llvm_pv *sg_pv; + int sg_pvstart; + off_t sg_pvoffset; +}; + +struct g_llvm_vg { + LIST_ENTRY(g_llvm_vg) vg_next; + char vg_name[G_LLVM_NAMELEN]; + char vg_uuid[G_LLVM_UUIDLEN]; + size_t vg_extentsize; + int vg_sectorsize; + struct g_geom *vg_geom; + LIST_HEAD(, g_llvm_pv) vg_pvs; + LIST_HEAD(, g_llvm_lv) vg_lvs; +}; |
