block: use coroutine interface for raw format
[qemu.git] / block / raw.c
blob5ca606b68a97765b83cb943920e3183bef699565
2 #include "qemu-common.h"
3 #include "block_int.h"
4 #include "module.h"
6 static int raw_open(BlockDriverState *bs, int flags)
8 bs->sg = bs->file->sg;
9 return 0;
12 static int coroutine_fn raw_co_readv(BlockDriverState *bs, int64_t sector_num,
13 int nb_sectors, QEMUIOVector *qiov)
15 return bdrv_co_readv(bs->file, sector_num, nb_sectors, qiov);
18 static int coroutine_fn raw_co_writev(BlockDriverState *bs, int64_t sector_num,
19 int nb_sectors, QEMUIOVector *qiov)
21 return bdrv_co_writev(bs->file, sector_num, nb_sectors, qiov);
24 static void raw_close(BlockDriverState *bs)
28 static int raw_flush(BlockDriverState *bs)
30 return bdrv_flush(bs->file);
33 static BlockDriverAIOCB *raw_aio_flush(BlockDriverState *bs,
34 BlockDriverCompletionFunc *cb, void *opaque)
36 return bdrv_aio_flush(bs->file, cb, opaque);
39 static int64_t raw_getlength(BlockDriverState *bs)
41 return bdrv_getlength(bs->file);
44 static int raw_truncate(BlockDriverState *bs, int64_t offset)
46 return bdrv_truncate(bs->file, offset);
49 static int raw_probe(const uint8_t *buf, int buf_size, const char *filename)
51 return 1; /* everything can be opened as raw image */
54 static int raw_discard(BlockDriverState *bs, int64_t sector_num, int nb_sectors)
56 return bdrv_discard(bs->file, sector_num, nb_sectors);
59 static int raw_is_inserted(BlockDriverState *bs)
61 return bdrv_is_inserted(bs->file);
64 static int raw_media_changed(BlockDriverState *bs)
66 return bdrv_media_changed(bs->file);
69 static void raw_eject(BlockDriverState *bs, int eject_flag)
71 bdrv_eject(bs->file, eject_flag);
74 static void raw_lock_medium(BlockDriverState *bs, bool locked)
76 bdrv_lock_medium(bs->file, locked);
79 static int raw_ioctl(BlockDriverState *bs, unsigned long int req, void *buf)
81 return bdrv_ioctl(bs->file, req, buf);
84 static BlockDriverAIOCB *raw_aio_ioctl(BlockDriverState *bs,
85 unsigned long int req, void *buf,
86 BlockDriverCompletionFunc *cb, void *opaque)
88 return bdrv_aio_ioctl(bs->file, req, buf, cb, opaque);
91 static int raw_create(const char *filename, QEMUOptionParameter *options)
93 return bdrv_create_file(filename, options);
96 static QEMUOptionParameter raw_create_options[] = {
98 .name = BLOCK_OPT_SIZE,
99 .type = OPT_SIZE,
100 .help = "Virtual disk size"
102 { NULL }
105 static int raw_has_zero_init(BlockDriverState *bs)
107 return bdrv_has_zero_init(bs->file);
110 static BlockDriver bdrv_raw = {
111 .format_name = "raw",
113 /* It's really 0, but we need to make g_malloc() happy */
114 .instance_size = 1,
116 .bdrv_open = raw_open,
117 .bdrv_close = raw_close,
118 .bdrv_co_readv = raw_co_readv,
119 .bdrv_co_writev = raw_co_writev,
120 .bdrv_flush = raw_flush,
121 .bdrv_probe = raw_probe,
122 .bdrv_getlength = raw_getlength,
123 .bdrv_truncate = raw_truncate,
125 .bdrv_aio_flush = raw_aio_flush,
126 .bdrv_discard = raw_discard,
128 .bdrv_is_inserted = raw_is_inserted,
129 .bdrv_media_changed = raw_media_changed,
130 .bdrv_eject = raw_eject,
131 .bdrv_lock_medium = raw_lock_medium,
133 .bdrv_ioctl = raw_ioctl,
134 .bdrv_aio_ioctl = raw_aio_ioctl,
136 .bdrv_create = raw_create,
137 .create_options = raw_create_options,
138 .bdrv_has_zero_init = raw_has_zero_init,
141 static void bdrv_raw_init(void)
143 bdrv_register(&bdrv_raw);
146 block_init(bdrv_raw_init);