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Commit | Line | Data |
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84a12e66 CH |
1 | |
2 | #include "qemu-common.h" | |
3 | #include "block_int.h" | |
4 | #include "module.h" | |
5 | ||
66f82cee | 6 | static int raw_open(BlockDriverState *bs, int flags) |
84a12e66 | 7 | { |
66f82cee KW |
8 | bs->sg = bs->file->sg; |
9 | return 0; | |
84a12e66 CH |
10 | } |
11 | ||
d8b7e0ad SH |
12 | static int coroutine_fn raw_co_readv(BlockDriverState *bs, int64_t sector_num, |
13 | int nb_sectors, QEMUIOVector *qiov) | |
84a12e66 | 14 | { |
d8b7e0ad | 15 | return bdrv_co_readv(bs->file, sector_num, nb_sectors, qiov); |
84a12e66 CH |
16 | } |
17 | ||
d8b7e0ad SH |
18 | static int coroutine_fn raw_co_writev(BlockDriverState *bs, int64_t sector_num, |
19 | int nb_sectors, QEMUIOVector *qiov) | |
84a12e66 | 20 | { |
d8b7e0ad | 21 | return bdrv_co_writev(bs->file, sector_num, nb_sectors, qiov); |
84a12e66 CH |
22 | } |
23 | ||
24 | static void raw_close(BlockDriverState *bs) | |
25 | { | |
84a12e66 CH |
26 | } |
27 | ||
6f6dc656 | 28 | static int coroutine_fn raw_co_flush(BlockDriverState *bs) |
84a12e66 | 29 | { |
6f6dc656 | 30 | return bdrv_co_flush(bs->file); |
84a12e66 CH |
31 | } |
32 | ||
33 | static int64_t raw_getlength(BlockDriverState *bs) | |
34 | { | |
66f82cee | 35 | return bdrv_getlength(bs->file); |
84a12e66 CH |
36 | } |
37 | ||
38 | static int raw_truncate(BlockDriverState *bs, int64_t offset) | |
39 | { | |
66f82cee | 40 | return bdrv_truncate(bs->file, offset); |
84a12e66 CH |
41 | } |
42 | ||
43 | static int raw_probe(const uint8_t *buf, int buf_size, const char *filename) | |
44 | { | |
45 | return 1; /* everything can be opened as raw image */ | |
46 | } | |
47 | ||
bb8bf76f CH |
48 | static int raw_discard(BlockDriverState *bs, int64_t sector_num, int nb_sectors) |
49 | { | |
50 | return bdrv_discard(bs->file, sector_num, nb_sectors); | |
51 | } | |
52 | ||
84a12e66 CH |
53 | static int raw_is_inserted(BlockDriverState *bs) |
54 | { | |
66f82cee | 55 | return bdrv_is_inserted(bs->file); |
84a12e66 CH |
56 | } |
57 | ||
be32f75f MA |
58 | static int raw_media_changed(BlockDriverState *bs) |
59 | { | |
60 | return bdrv_media_changed(bs->file); | |
61 | } | |
62 | ||
822e1cd1 | 63 | static void raw_eject(BlockDriverState *bs, int eject_flag) |
84a12e66 | 64 | { |
822e1cd1 | 65 | bdrv_eject(bs->file, eject_flag); |
84a12e66 CH |
66 | } |
67 | ||
025e849a | 68 | static void raw_lock_medium(BlockDriverState *bs, bool locked) |
84a12e66 | 69 | { |
025e849a | 70 | bdrv_lock_medium(bs->file, locked); |
84a12e66 CH |
71 | } |
72 | ||
73 | static int raw_ioctl(BlockDriverState *bs, unsigned long int req, void *buf) | |
74 | { | |
66f82cee | 75 | return bdrv_ioctl(bs->file, req, buf); |
84a12e66 CH |
76 | } |
77 | ||
78 | static BlockDriverAIOCB *raw_aio_ioctl(BlockDriverState *bs, | |
79 | unsigned long int req, void *buf, | |
80 | BlockDriverCompletionFunc *cb, void *opaque) | |
81 | { | |
66f82cee | 82 | return bdrv_aio_ioctl(bs->file, req, buf, cb, opaque); |
84a12e66 CH |
83 | } |
84 | ||
85 | static int raw_create(const char *filename, QEMUOptionParameter *options) | |
86 | { | |
87 | return bdrv_create_file(filename, options); | |
88 | } | |
89 | ||
90 | static QEMUOptionParameter raw_create_options[] = { | |
91 | { | |
92 | .name = BLOCK_OPT_SIZE, | |
93 | .type = OPT_SIZE, | |
94 | .help = "Virtual disk size" | |
95 | }, | |
96 | { NULL } | |
97 | }; | |
98 | ||
336c1c12 KW |
99 | static int raw_has_zero_init(BlockDriverState *bs) |
100 | { | |
101 | return bdrv_has_zero_init(bs->file); | |
102 | } | |
103 | ||
84a12e66 CH |
104 | static BlockDriver bdrv_raw = { |
105 | .format_name = "raw", | |
106 | ||
7267c094 | 107 | /* It's really 0, but we need to make g_malloc() happy */ |
66f82cee | 108 | .instance_size = 1, |
84a12e66 CH |
109 | |
110 | .bdrv_open = raw_open, | |
111 | .bdrv_close = raw_close, | |
d8b7e0ad SH |
112 | .bdrv_co_readv = raw_co_readv, |
113 | .bdrv_co_writev = raw_co_writev, | |
6f6dc656 | 114 | .bdrv_co_flush = raw_co_flush, |
84a12e66 CH |
115 | .bdrv_probe = raw_probe, |
116 | .bdrv_getlength = raw_getlength, | |
117 | .bdrv_truncate = raw_truncate, | |
118 | ||
bb8bf76f | 119 | .bdrv_discard = raw_discard, |
84a12e66 CH |
120 | |
121 | .bdrv_is_inserted = raw_is_inserted, | |
be32f75f | 122 | .bdrv_media_changed = raw_media_changed, |
84a12e66 | 123 | .bdrv_eject = raw_eject, |
025e849a | 124 | .bdrv_lock_medium = raw_lock_medium, |
be32f75f | 125 | |
84a12e66 CH |
126 | .bdrv_ioctl = raw_ioctl, |
127 | .bdrv_aio_ioctl = raw_aio_ioctl, | |
128 | ||
129 | .bdrv_create = raw_create, | |
130 | .create_options = raw_create_options, | |
336c1c12 | 131 | .bdrv_has_zero_init = raw_has_zero_init, |
84a12e66 CH |
132 | }; |
133 | ||
134 | static void bdrv_raw_init(void) | |
135 | { | |
136 | bdrv_register(&bdrv_raw); | |
137 | } | |
138 | ||
139 | block_init(bdrv_raw_init); |