root / drivers / tapdisk-disktype.h @ abdb293f
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/*
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* Copyright (c) 2007, 2010, XenSource Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of XenSource Inc. nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
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* OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef __DISKTYPES_H__
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#define __DISKTYPES_H__
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#define DISK_TYPE_AIO 0 |
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#define DISK_TYPE_SYNC 1 |
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#define DISK_TYPE_VMDK 2 |
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#define DISK_TYPE_VHDSYNC 3 |
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#define DISK_TYPE_VHD 4 |
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#define DISK_TYPE_RAM 5 |
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#define DISK_TYPE_QCOW 6 |
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#define DISK_TYPE_BLOCK_CACHE 7 |
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#define DISK_TYPE_VINDEX 8 |
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#define DISK_TYPE_LOG 9 |
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#define DISK_TYPE_REMUS 10 |
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#define DISK_TYPE_LCACHE 11 |
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#define DISK_TYPE_LLECACHE 12 |
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#define DISK_TYPE_LLPCACHE 13 |
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#define DISK_TYPE_VALVE 14 |
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#define DISK_TYPE_NAME_MAX 32 |
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typedef struct disk_info { |
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const char *name; /* driver name, e.g. 'aio' */ |
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char *desc; /* e.g. "raw image" */ |
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unsigned int flags; |
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} disk_info_t; |
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extern const disk_info_t *tapdisk_disk_types[]; |
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extern const struct tap_disk *tapdisk_disk_drivers[]; |
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/* one single controller for all instances of disk type */
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#define DISK_TYPE_SINGLE_CONTROLLER (1<<0) |
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/* filter driver without physical image data */
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#define DISK_TYPE_FILTER (1<<1) |
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int tapdisk_disktype_find(const char *name); |
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int tapdisk_disktype_parse_params(const char *params, const char **_path); |
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#endif
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