ia64/xen-unstable

view tools/blktap2/include/libvhd-journal.h @ 19832:f1fec38c8228

blktap2: Further netbsd build fixes.

Signed-off-by: Christoph Egger <Christoph.Egger@amd.com>
Signed-off-by: Keir Fraser <keir.fraser@citrix.com>
author Keir Fraser <keir.fraser@citrix.com>
date Wed Jun 24 14:03:20 2009 +0100 (2009-06-24)
parents 1c627434605e
children
line source
1 /* Copyright (c) 2008, XenSource Inc.
2 * All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are met:
6 * * Redistributions of source code must retain the above copyright
7 * notice, this list of conditions and the following disclaimer.
8 * * Redistributions in binary form must reproduce the above copyright
9 * notice, this list of conditions and the following disclaimer in the
10 * documentation and/or other materials provided with the distribution.
11 * * Neither the name of XenSource Inc. nor the names of its contributors
12 * may be used to endorse or promote products derived from this software
13 * without specific prior written permission.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
16 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
17 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
18 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
19 * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
20 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
21 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
22 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
23 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
24 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
25 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27 #ifndef _VHD_JOURNAL_H_
28 #define _VHD_JOURNAL_H_
30 #include <inttypes.h>
32 #include "libvhd.h"
34 #define VHD_JOURNAL_METADATA 0x01
35 #define VHD_JOURNAL_DATA 0x02
37 #define VHD_JOURNAL_HEADER_COOKIE "vjournal"
38 #define VHD_JOURNAL_ENTRY_COOKIE 0xaaaa12344321aaaa
40 typedef struct vhd_journal_header {
41 char cookie[8];
42 blk_uuid_t uuid;
43 uint64_t vhd_footer_offset;
44 uint32_t journal_data_entries;
45 uint32_t journal_metadata_entries;
46 uint64_t journal_data_offset;
47 uint64_t journal_metadata_offset;
48 uint64_t journal_eof;
49 char pad[448];
50 } vhd_journal_header_t;
52 typedef struct vhd_journal {
53 char *jname;
54 int jfd;
55 int is_block; /* is jfd a block device */
56 vhd_journal_header_t header;
57 vhd_context_t vhd;
58 } vhd_journal_t;
60 int vhd_journal_create(vhd_journal_t *, const char *file, const char *jfile);
61 int vhd_journal_open(vhd_journal_t *, const char *file, const char *jfile);
62 int vhd_journal_add_block(vhd_journal_t *, uint32_t block, char mode);
63 int vhd_journal_commit(vhd_journal_t *);
64 int vhd_journal_revert(vhd_journal_t *);
65 int vhd_journal_close(vhd_journal_t *);
66 int vhd_journal_remove(vhd_journal_t *);
68 #endif