1 /* 2 * Copyright (c) 2007, 2010, 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 29 #ifndef __DISKTYPES_H__ 30 #define __DISKTYPES_H__ 31 32 #define DISK_TYPE_AIO 0 33 #define DISK_TYPE_SYNC 1 34 #define DISK_TYPE_VMDK 2 35 #define DISK_TYPE_VHDSYNC 3 36 #define DISK_TYPE_VHD 4 37 #define DISK_TYPE_RAM 5 38 #define DISK_TYPE_QCOW 6 39 #define DISK_TYPE_BLOCK_CACHE 7 40 #define DISK_TYPE_LOG 8 41 #define DISK_TYPE_REMUS 9 42 #define DISK_TYPE_VINDEX 10 43 44 #define DISK_TYPE_NAME_MAX 32 45 46 typedef struct disk_info { 47 const char *name; /* driver name, e.g. 'aio' */ 48 char *desc; /* e.g. "raw image" */ 49 unsigned int flags; 50 } disk_info_t; 51 52 extern const disk_info_t *tapdisk_disk_types[]; 53 extern const struct tap_disk *tapdisk_disk_drivers[]; 54 55 /* one single controller for all instances of disk type */ 56 #define DISK_TYPE_SINGLE_CONTROLLER (1<<0) 57 58 int tapdisk_disktype_find(const char *name); 59 int tapdisk_disktype_parse_params(const char *params, const char **_path); 60 int tapdisk_parse_disk_type(const char *, const char **, int *); 61 62 #endif 63