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#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 raw_read(BlockDriverState *bs, int64_t sector_num,
uint8_t *buf, int nb_sectors)
{
return bdrv_read(bs->file, sector_num, buf, nb_sectors);
}
static int raw_write(BlockDriverState *bs, int64_t sector_num,
const uint8_t *buf, int nb_sectors)
{
return bdrv_write(bs->file, sector_num, buf, nb_sectors);
}
static BlockDriverAIOCB *raw_aio_readv(BlockDriverState *bs,
int64_t sector_num, QEMUIOVector *qiov, int nb_sectors,
BlockDriverCompletionFunc *cb, void *opaque)
{
return bdrv_aio_readv(bs->file, sector_num, qiov, nb_sectors, cb, opaque);
}
static BlockDriverAIOCB *raw_aio_writev(BlockDriverState *bs,
int64_t sector_num, QEMUIOVector *qiov, int nb_sectors,
BlockDriverCompletionFunc *cb, void *opaque)
{
return bdrv_aio_writev(bs->file, sector_num, qiov, nb_sectors, cb, opaque);
}
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_eject(BlockDriverState *bs, int eject_flag)
{
return bdrv_eject(bs->file, eject_flag);
}
static int raw_set_locked(BlockDriverState *bs, int locked)
{
bdrv_set_locked(bs->file, locked);
return 0;
}
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 qemu_malloc() happy */
.instance_size = 1,
.bdrv_open = raw_open,
.bdrv_close = raw_close,
.bdrv_read = raw_read,
.bdrv_write = raw_write,
.bdrv_flush = raw_flush,
.bdrv_probe = raw_probe,
.bdrv_getlength = raw_getlength,
.bdrv_truncate = raw_truncate,
.bdrv_aio_readv = raw_aio_readv,
.bdrv_aio_writev = raw_aio_writev,
.bdrv_aio_flush = raw_aio_flush,
.bdrv_discard = raw_discard,
.bdrv_is_inserted = raw_is_inserted,
.bdrv_eject = raw_eject,
.bdrv_set_locked = raw_set_locked,
.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);
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