debuggers.hg

view tools/ioemu/block_int.h @ 10995:08a11694b109

[qemu] Update ioemu to qemu 0.8.2.

Signed-off-by: Christian Limpach <Christian.Limpach@xensource.com>
author chris@kneesaa.uk.xensource.com
date Mon Aug 07 18:25:30 2006 +0100 (2006-08-07)
parents b450f21472a0
children 00618037d37d
line source
1 /*
2 * QEMU System Emulator block driver
3 *
4 * Copyright (c) 2003 Fabrice Bellard
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24 #ifndef BLOCK_INT_H
25 #define BLOCK_INT_H
27 struct BlockDriver {
28 const char *format_name;
29 int instance_size;
30 int (*bdrv_probe)(const uint8_t *buf, int buf_size, const char *filename);
31 int (*bdrv_open)(BlockDriverState *bs, const char *filename);
32 int (*bdrv_read)(BlockDriverState *bs, int64_t sector_num,
33 uint8_t *buf, int nb_sectors);
34 int (*bdrv_write)(BlockDriverState *bs, int64_t sector_num,
35 const uint8_t *buf, int nb_sectors);
36 void (*bdrv_close)(BlockDriverState *bs);
37 int (*bdrv_create)(const char *filename, int64_t total_sectors,
38 const char *backing_file, int flags);
39 void (*bdrv_flush)(BlockDriverState *bs);
40 int (*bdrv_is_allocated)(BlockDriverState *bs, int64_t sector_num,
41 int nb_sectors, int *pnum);
42 int (*bdrv_set_key)(BlockDriverState *bs, const char *key);
43 int (*bdrv_make_empty)(BlockDriverState *bs);
44 struct BlockDriver *next;
45 };
47 struct BlockDriverState {
48 int64_t total_sectors;
49 int read_only; /* if true, the media is read only */
50 int inserted; /* if true, the media is present */
51 int removable; /* if true, the media can be removed */
52 int locked; /* if true, the media cannot temporarily be ejected */
53 int encrypted; /* if true, the media is encrypted */
54 /* event callback when inserting/removing */
55 void (*change_cb)(void *opaque);
56 void *change_opaque;
58 BlockDriver *drv;
59 void *opaque;
61 int boot_sector_enabled;
62 uint8_t boot_sector_data[512];
64 char filename[1024];
65 char backing_file[1024]; /* if non zero, the image is a diff of
66 this file image */
67 int is_temporary;
69 BlockDriverState *backing_hd;
71 /* NOTE: the following infos are only hints for real hardware
72 drivers. They are not used by the block driver */
73 int cyls, heads, secs, translation;
74 int type;
75 char device_name[32];
76 BlockDriverState *next;
77 };
79 void get_tmp_filename(char *filename, int size);
81 #endif /* BLOCK_INT_H */