| |
| #include "qemu-common.h" |
| #include "block_int.h" |
| #include "module.h" |
| |
| static int raw_open(BlockDriverState *bs, int flags) |
| { |
| bs->sg = bs->file->sg; |
| return 0; |
| } |
| |
| static int coroutine_fn raw_co_readv(BlockDriverState *bs, int64_t sector_num, |
| int nb_sectors, QEMUIOVector *qiov) |
| { |
| return bdrv_co_readv(bs->file, sector_num, nb_sectors, qiov); |
| } |
| |
| static int coroutine_fn raw_co_writev(BlockDriverState *bs, int64_t sector_num, |
| int nb_sectors, QEMUIOVector *qiov) |
| { |
| return bdrv_co_writev(bs->file, sector_num, nb_sectors, qiov); |
| } |
| |
| static void raw_close(BlockDriverState *bs) |
| { |
| } |
| |
| static int raw_flush(BlockDriverState *bs) |
| { |
| return bdrv_flush(bs->file); |
| } |
| |
| static BlockDriverAIOCB *raw_aio_flush(BlockDriverState *bs, |
| BlockDriverCompletionFunc *cb, void *opaque) |
| { |
| return bdrv_aio_flush(bs->file, cb, opaque); |
| } |
| |
| static int64_t raw_getlength(BlockDriverState *bs) |
| { |
| return bdrv_getlength(bs->file); |
| } |
| |
| static int raw_truncate(BlockDriverState *bs, int64_t offset) |
| { |
| return bdrv_truncate(bs->file, offset); |
| } |
| |
| static int raw_probe(const uint8_t *buf, int buf_size, const char *filename) |
| { |
| return 1; /* everything can be opened as raw image */ |
| } |
| |
| static int raw_discard(BlockDriverState *bs, int64_t sector_num, int nb_sectors) |
| { |
| return bdrv_discard(bs->file, sector_num, nb_sectors); |
| } |
| |
| static int raw_is_inserted(BlockDriverState *bs) |
| { |
| return bdrv_is_inserted(bs->file); |
| } |
| |
| static int raw_media_changed(BlockDriverState *bs) |
| { |
| return bdrv_media_changed(bs->file); |
| } |
| |
| static void raw_eject(BlockDriverState *bs, int eject_flag) |
| { |
| bdrv_eject(bs->file, eject_flag); |
| } |
| |
| static void raw_lock_medium(BlockDriverState *bs, bool locked) |
| { |
| bdrv_lock_medium(bs->file, locked); |
| } |
| |
| static int raw_ioctl(BlockDriverState *bs, unsigned long int req, void *buf) |
| { |
| return bdrv_ioctl(bs->file, req, buf); |
| } |
| |
| static BlockDriverAIOCB *raw_aio_ioctl(BlockDriverState *bs, |
| unsigned long int req, void *buf, |
| BlockDriverCompletionFunc *cb, void *opaque) |
| { |
| return bdrv_aio_ioctl(bs->file, req, buf, cb, opaque); |
| } |
| |
| static int raw_create(const char *filename, QEMUOptionParameter *options) |
| { |
| return bdrv_create_file(filename, options); |
| } |
| |
| static QEMUOptionParameter raw_create_options[] = { |
| { |
| .name = BLOCK_OPT_SIZE, |
| .type = OPT_SIZE, |
| .help = "Virtual disk size" |
| }, |
| { NULL } |
| }; |
| |
| static int raw_has_zero_init(BlockDriverState *bs) |
| { |
| return bdrv_has_zero_init(bs->file); |
| } |
| |
| static BlockDriver bdrv_raw = { |
| .format_name = "raw", |
| |
| /* It's really 0, but we need to make g_malloc() happy */ |
| .instance_size = 1, |
| |
| .bdrv_open = raw_open, |
| .bdrv_close = raw_close, |
| .bdrv_co_readv = raw_co_readv, |
| .bdrv_co_writev = raw_co_writev, |
| .bdrv_flush = raw_flush, |
| .bdrv_probe = raw_probe, |
| .bdrv_getlength = raw_getlength, |
| .bdrv_truncate = raw_truncate, |
| |
| .bdrv_aio_flush = raw_aio_flush, |
| .bdrv_discard = raw_discard, |
| |
| .bdrv_is_inserted = raw_is_inserted, |
| .bdrv_media_changed = raw_media_changed, |
| .bdrv_eject = raw_eject, |
| .bdrv_lock_medium = raw_lock_medium, |
| |
| .bdrv_ioctl = raw_ioctl, |
| .bdrv_aio_ioctl = raw_aio_ioctl, |
| |
| .bdrv_create = raw_create, |
| .create_options = raw_create_options, |
| .bdrv_has_zero_init = raw_has_zero_init, |
| }; |
| |
| static void bdrv_raw_init(void) |
| { |
| bdrv_register(&bdrv_raw); |
| } |
| |
| block_init(bdrv_raw_init); |