The num_queues field is always 1 for the time being. A later patch will
make it a configurable device property so that multiqueue can be
enabled.
Signed-off-by: Stefan Hajnoczi <stefa...@redhat.com>
---
hw/block/virtio-blk.c | 1 +
include/hw/virtio/virtio-blk.h | 1 +
2 files changed, 2 insertions(+)
diff --git a/hw/block/virtio-blk.c b/hw/block/virtio-blk.c
index 4ee4063..c8d66f0 100644
--- a/hw/block/virtio-blk.c
+++ b/hw/block/virtio-blk.c
@@ -931,6 +931,7 @@ static void virtio_blk_device_realize(DeviceState *dev,
Error **errp)
s->rq = NULL;
s->sector_mask = (s->conf.conf.logical_block_size / BDRV_SECTOR_SIZE) - 1;
+ conf->num_queues = 1;
s->vq = virtio_add_queue(vdev, 128, virtio_blk_handle_output);
virtio_blk_data_plane_create(vdev, conf, &s->dataplane, &err);
if (err != NULL) {
diff --git a/include/hw/virtio/virtio-blk.h b/include/hw/virtio/virtio-blk.h
index 9c6747d..487b28d 100644
--- a/include/hw/virtio/virtio-blk.h
+++ b/include/hw/virtio/virtio-blk.h
@@ -38,6 +38,7 @@ struct VirtIOBlkConf
uint32_t scsi;
uint32_t config_wce;
uint32_t request_merging;
+ uint16_t num_queues;
};
struct VirtIOBlockDataPlane;
--
2.5.5
