1 /* 2 * Copyright (c) 2008, XenSource Inc. 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 are met: 7 * * Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * * Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * * Neither the name of XenSource Inc. nor the names of its contributors 13 * may be used to endorse or promote products derived from this software 14 * without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER 20 * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 21 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 22 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 23 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 24 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 25 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 26 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 #ifndef _LVM_UTIL_H_ 29 #define _LVM_UTIL_H_ 30 31 #include <inttypes.h> 32 33 #define MAX_NAME_SIZE 256 34 35 #define LVM_SEG_TYPE_LINEAR 1 36 #define LVM_SEG_TYPE_UNKNOWN 2 37 38 struct lv_segment { 39 uint8_t type; 40 char device[MAX_NAME_SIZE]; 41 uint64_t pe_start; 42 uint64_t pe_size; 43 }; 44 45 struct lv { 46 char name[MAX_NAME_SIZE]; 47 uint64_t size; 48 uint32_t segments; 49 struct lv_segment first_segment; 50 }; 51 52 struct pv { 53 char name[MAX_NAME_SIZE]; 54 uint64_t start; 55 }; 56 57 struct vg { 58 char name[MAX_NAME_SIZE]; 59 uint64_t extent_size; 60 61 int pv_cnt; 62 struct pv *pvs; 63 64 int lv_cnt; 65 struct lv *lvs; 66 }; 67 68 int lvm_scan_vg(const char *vg_name, struct vg *vg); 69 void lvm_free_vg(struct vg *vg); 70 71 #endif 72