static BlockDriverAIOCB *paio_ioctl(BlockDriverState *bs, int fd,
unsigned long int req, void *buf,
BlockDriverCompletionFunc *cb, void *opaque)
{
RawPosixAIOData *acb = g_slice_new(RawPosixAIOData);
acb->bs = bs;
acb->aio_type = QEMU_AIO_IOCTL;
acb->aio_fildes = fd;
acb->aio_offset = 0;
acb->aio_ioctl_buf = buf;
acb->aio_ioctl_cmd = req;
return thread_pool_submit_aio(aio_worker, acb, cb, opaque);
}
static BlockDriverAIOCB *hdev_aio_ioctl(BlockDriverState *bs,
unsigned long int req, void *buf,
BlockDriverCompletionFunc *cb, void *opaque)
{
BDRVRawState *s = bs->opaque;
RawPosixAIOData *acb;
if (fd_open(bs) < 0)
return NULL;
acb = g_slice_new(RawPosixAIOData);
acb->bs = bs;
acb->aio_type = QEMU_AIO_IOCTL;
acb->aio_fildes = s->fd;
acb->aio_offset = 0;
acb->aio_ioctl_buf = buf;
acb->aio_ioctl_cmd = req;
return thread_pool_submit_aio(aio_worker, acb, cb, opaque);
}
BlockAIOCB *pr_manager_execute(PRManager *pr_mgr,
AioContext *ctx, int fd,
struct sg_io_hdr *hdr,
BlockCompletionFunc *complete,
void *opaque)
{
PRManagerData *data = g_new(PRManagerData, 1);
ThreadPool *pool = aio_get_thread_pool(ctx);
trace_pr_manager_execute(fd, hdr->cmdp[0], hdr->cmdp[1], opaque);
data->pr_mgr = pr_mgr;
data->fd = fd;
data->hdr = hdr;
/* The matching object_unref is in pr_manager_worker. */
object_ref(OBJECT(pr_mgr));
return thread_pool_submit_aio(pool, pr_manager_worker,
data, complete, opaque);
}
static BlockDriverAIOCB *paio_submit(BlockDriverState *bs, int fd,
int64_t sector_num, QEMUIOVector *qiov, int nb_sectors,
BlockDriverCompletionFunc *cb, void *opaque, int type)
{
RawPosixAIOData *acb = g_slice_new(RawPosixAIOData);
acb->bs = bs;
acb->aio_type = type;
acb->aio_fildes = fd;
if (qiov) {
acb->aio_iov = qiov->iov;
acb->aio_niov = qiov->niov;
}
acb->aio_nbytes = nb_sectors * 512;
acb->aio_offset = sector_num * 512;
trace_paio_submit(acb, opaque, sector_num, nb_sectors, type);
return thread_pool_submit_aio(aio_worker, acb, cb, opaque);
}
