-typedef struct VectorTranslationAIOCB {
- BlockDriverAIOCB common;
- QEMUIOVector *iov;
- uint8_t *bounce;
- int is_write;
- BlockDriverAIOCB *aiocb;
-} VectorTranslationAIOCB;
-
-static void bdrv_aio_cancel_vector(BlockDriverAIOCB *_acb)
-{
- VectorTranslationAIOCB *acb
- = container_of(_acb, VectorTranslationAIOCB, common);
-
- bdrv_aio_cancel(acb->aiocb);
-}
-
-static void bdrv_aio_rw_vector_cb(void *opaque, int ret)
-{
- VectorTranslationAIOCB *s = (VectorTranslationAIOCB *)opaque;
-
- if (!s->is_write) {
- qemu_iovec_from_buffer(s->iov, s->bounce, s->iov->size);
- }
- qemu_vfree(s->bounce);
- s->common.cb(s->common.opaque, ret);
- qemu_aio_release(s);
-}
-
-static BlockDriverAIOCB *bdrv_aio_rw_vector(BlockDriverState *bs,
- int64_t sector_num,
- QEMUIOVector *iov,
- int nb_sectors,
- BlockDriverCompletionFunc *cb,
- void *opaque,
- int is_write)
-
-{
- VectorTranslationAIOCB *s = qemu_aio_get_pool(&vectored_aio_pool, bs,
- cb, opaque);
-
- s->iov = iov;
- s->bounce = qemu_memalign(512, nb_sectors * 512);
- s->is_write = is_write;
- if (is_write) {
- qemu_iovec_to_buffer(s->iov, s->bounce);
- s->aiocb = bdrv_aio_write(bs, sector_num, s->bounce, nb_sectors,
- bdrv_aio_rw_vector_cb, s);
- } else {
- s->aiocb = bdrv_aio_read(bs, sector_num, s->bounce, nb_sectors,
- bdrv_aio_rw_vector_cb, s);
- }
- if (!s->aiocb) {
- qemu_vfree(s->bounce);
- qemu_aio_release(s);
- return NULL;
- }
- return &s->common;
-}
-