Archipelago » blktap-utils

/*

 * Copyright (c) 2007, 2010, XenSource Inc.

 * All rights reserved.

 *

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions are met:

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 *     * Redistributions in binary form must reproduce the above copyright

 *       notice, this list of conditions and the following disclaimer in the

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 *       may be used to endorse or promote products derived from this software

 *       without specific prior written permission.

 *

 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT OWNER

 * 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

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 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

 */

#ifndef __DISKTYPES_H__

#define __DISKTYPES_H__

#define DISK_TYPE_AIO         0

#define DISK_TYPE_SYNC        1

#define DISK_TYPE_VMDK        2

#define DISK_TYPE_VHDSYNC     3

#define DISK_TYPE_VHD         4

#define DISK_TYPE_RAM         5

#define DISK_TYPE_QCOW        6

#define DISK_TYPE_BLOCK_CACHE 7

#define DISK_TYPE_VINDEX      8

#define DISK_TYPE_LOG         9

#define DISK_TYPE_REMUS       10

#define DISK_TYPE_LCACHE      11

#define DISK_TYPE_LLECACHE    12

#define DISK_TYPE_LLPCACHE    13

#define DISK_TYPE_VALVE       14

#define DISK_TYPE_NAME_MAX    32

typedef struct disk_info {

        const char     *name; /* driver name, e.g. 'aio' */

        char           *desc;  /* e.g. "raw image" */

        unsigned int    flags; 

} disk_info_t;

extern const disk_info_t     *tapdisk_disk_types[];

extern const struct tap_disk *tapdisk_disk_drivers[];

/* one single controller for all instances of disk type */

#define DISK_TYPE_SINGLE_CONTROLLER (1<<0)

/* filter driver without physical image data */

#define DISK_TYPE_FILTER            (1<<1)

int tapdisk_disktype_find(const char *name);

int tapdisk_disktype_parse_params(const char *params, const char **_path);

#endif