usb-bsd: convert to QOM
[qemu.git] / block / raw.c
1
2 #include "qemu-common.h"
3 #include "block_int.h"
4 #include "module.h"
5
6 static int raw_open(BlockDriverState *bs, int flags)
7 {
8 bs->sg = bs->file->sg;
9 return 0;
10 }
11
12 static int coroutine_fn raw_co_readv(BlockDriverState *bs, int64_t sector_num,
13 int nb_sectors, QEMUIOVector *qiov)
14 {
15 return bdrv_co_readv(bs->file, sector_num, nb_sectors, qiov);
16 }
17
18 static int coroutine_fn raw_co_writev(BlockDriverState *bs, int64_t sector_num,
19 int nb_sectors, QEMUIOVector *qiov)
20 {
21 return bdrv_co_writev(bs->file, sector_num, nb_sectors, qiov);
22 }
23
24 static void raw_close(BlockDriverState *bs)
25 {
26 }
27
28 static int coroutine_fn raw_co_flush(BlockDriverState *bs)
29 {
30 return bdrv_co_flush(bs->file);
31 }
32
33 static int64_t raw_getlength(BlockDriverState *bs)
34 {
35 return bdrv_getlength(bs->file);
36 }
37
38 static int raw_truncate(BlockDriverState *bs, int64_t offset)
39 {
40 return bdrv_truncate(bs->file, offset);
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
48 static int coroutine_fn raw_co_discard(BlockDriverState *bs,
49 int64_t sector_num, int nb_sectors)
50 {
51 return bdrv_co_discard(bs->file, sector_num, nb_sectors);
52 }
53
54 static int raw_is_inserted(BlockDriverState *bs)
55 {
56 return bdrv_is_inserted(bs->file);
57 }
58
59 static int raw_media_changed(BlockDriverState *bs)
60 {
61 return bdrv_media_changed(bs->file);
62 }
63
64 static void raw_eject(BlockDriverState *bs, int eject_flag)
65 {
66 bdrv_eject(bs->file, eject_flag);
67 }
68
69 static void raw_lock_medium(BlockDriverState *bs, bool locked)
70 {
71 bdrv_lock_medium(bs->file, locked);
72 }
73
74 static int raw_ioctl(BlockDriverState *bs, unsigned long int req, void *buf)
75 {
76 return bdrv_ioctl(bs->file, req, buf);
77 }
78
79 static BlockDriverAIOCB *raw_aio_ioctl(BlockDriverState *bs,
80 unsigned long int req, void *buf,
81 BlockDriverCompletionFunc *cb, void *opaque)
82 {
83 return bdrv_aio_ioctl(bs->file, req, buf, cb, opaque);
84 }
85
86 static int raw_create(const char *filename, QEMUOptionParameter *options)
87 {
88 return bdrv_create_file(filename, options);
89 }
90
91 static QEMUOptionParameter raw_create_options[] = {
92 {
93 .name = BLOCK_OPT_SIZE,
94 .type = OPT_SIZE,
95 .help = "Virtual disk size"
96 },
97 { NULL }
98 };
99
100 static int raw_has_zero_init(BlockDriverState *bs)
101 {
102 return bdrv_has_zero_init(bs->file);
103 }
104
105 static BlockDriver bdrv_raw = {
106 .format_name = "raw",
107
108 /* It's really 0, but we need to make g_malloc() happy */
109 .instance_size = 1,
110
111 .bdrv_open = raw_open,
112 .bdrv_close = raw_close,
113
114 .bdrv_co_readv = raw_co_readv,
115 .bdrv_co_writev = raw_co_writev,
116 .bdrv_co_flush_to_disk = raw_co_flush,
117 .bdrv_co_discard = raw_co_discard,
118
119 .bdrv_probe = raw_probe,
120 .bdrv_getlength = raw_getlength,
121 .bdrv_truncate = raw_truncate,
122
123 .bdrv_is_inserted = raw_is_inserted,
124 .bdrv_media_changed = raw_media_changed,
125 .bdrv_eject = raw_eject,
126 .bdrv_lock_medium = raw_lock_medium,
127
128 .bdrv_ioctl = raw_ioctl,
129 .bdrv_aio_ioctl = raw_aio_ioctl,
130
131 .bdrv_create = raw_create,
132 .create_options = raw_create_options,
133 .bdrv_has_zero_init = raw_has_zero_init,
134 };
135
136 static void bdrv_raw_init(void)
137 {
138 bdrv_register(&bdrv_raw);
139 }
140
141 block_init(bdrv_raw_init);