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-rw-r--r--hw/scsi/virtio-scsi-dataplane.c14
-rw-r--r--hw/scsi/virtio-scsi.c14
2 files changed, 18 insertions, 10 deletions
diff --git a/hw/scsi/virtio-scsi-dataplane.c b/hw/scsi/virtio-scsi-dataplane.c
index 6b8d0f0024..74c95e0e60 100644
--- a/hw/scsi/virtio-scsi-dataplane.c
+++ b/hw/scsi/virtio-scsi-dataplane.c
@@ -49,35 +49,35 @@ void virtio_scsi_dataplane_setup(VirtIOSCSI *s, Error **errp)
}
}
-static void virtio_scsi_data_plane_handle_cmd(VirtIODevice *vdev,
+static bool virtio_scsi_data_plane_handle_cmd(VirtIODevice *vdev,
VirtQueue *vq)
{
VirtIOSCSI *s = (VirtIOSCSI *)vdev;
assert(s->ctx && s->dataplane_started);
- virtio_scsi_handle_cmd_vq(s, vq);
+ return virtio_scsi_handle_cmd_vq(s, vq);
}
-static void virtio_scsi_data_plane_handle_ctrl(VirtIODevice *vdev,
+static bool virtio_scsi_data_plane_handle_ctrl(VirtIODevice *vdev,
VirtQueue *vq)
{
VirtIOSCSI *s = VIRTIO_SCSI(vdev);
assert(s->ctx && s->dataplane_started);
- virtio_scsi_handle_ctrl_vq(s, vq);
+ return virtio_scsi_handle_ctrl_vq(s, vq);
}
-static void virtio_scsi_data_plane_handle_event(VirtIODevice *vdev,
+static bool virtio_scsi_data_plane_handle_event(VirtIODevice *vdev,
VirtQueue *vq)
{
VirtIOSCSI *s = VIRTIO_SCSI(vdev);
assert(s->ctx && s->dataplane_started);
- virtio_scsi_handle_event_vq(s, vq);
+ return virtio_scsi_handle_event_vq(s, vq);
}
static int virtio_scsi_vring_init(VirtIOSCSI *s, VirtQueue *vq, int n,
- void (*fn)(VirtIODevice *vdev, VirtQueue *vq))
+ VirtIOHandleAIOOutput fn)
{
BusState *qbus = BUS(qdev_get_parent_bus(DEVICE(s)));
int rc;
diff --git a/hw/scsi/virtio-scsi.c b/hw/scsi/virtio-scsi.c
index ce19efffc8..b01030b745 100644
--- a/hw/scsi/virtio-scsi.c
+++ b/hw/scsi/virtio-scsi.c
@@ -436,13 +436,16 @@ static inline void virtio_scsi_release(VirtIOSCSI *s)
}
}
-void virtio_scsi_handle_ctrl_vq(VirtIOSCSI *s, VirtQueue *vq)
+bool virtio_scsi_handle_ctrl_vq(VirtIOSCSI *s, VirtQueue *vq)
{
VirtIOSCSIReq *req;
+ bool progress = false;
while ((req = virtio_scsi_pop_req(s, vq))) {
+ progress = true;
virtio_scsi_handle_ctrl_req(s, req);
}
+ return progress;
}
static void virtio_scsi_handle_ctrl(VirtIODevice *vdev, VirtQueue *vq)
@@ -591,10 +594,11 @@ static void virtio_scsi_handle_cmd_req_submit(VirtIOSCSI *s, VirtIOSCSIReq *req)
scsi_req_unref(sreq);
}
-void virtio_scsi_handle_cmd_vq(VirtIOSCSI *s, VirtQueue *vq)
+bool virtio_scsi_handle_cmd_vq(VirtIOSCSI *s, VirtQueue *vq)
{
VirtIOSCSIReq *req, *next;
int ret = 0;
+ bool progress = false;
QTAILQ_HEAD(, VirtIOSCSIReq) reqs = QTAILQ_HEAD_INITIALIZER(reqs);
@@ -602,6 +606,7 @@ void virtio_scsi_handle_cmd_vq(VirtIOSCSI *s, VirtQueue *vq)
virtio_queue_set_notification(vq, 0);
while ((req = virtio_scsi_pop_req(s, vq))) {
+ progress = true;
ret = virtio_scsi_handle_cmd_req_prepare(s, req);
if (!ret) {
QTAILQ_INSERT_TAIL(&reqs, req, next);
@@ -624,6 +629,7 @@ void virtio_scsi_handle_cmd_vq(VirtIOSCSI *s, VirtQueue *vq)
QTAILQ_FOREACH_SAFE(req, &reqs, next, next) {
virtio_scsi_handle_cmd_req_submit(s, req);
}
+ return progress;
}
static void virtio_scsi_handle_cmd(VirtIODevice *vdev, VirtQueue *vq)
@@ -752,11 +758,13 @@ out:
virtio_scsi_release(s);
}
-void virtio_scsi_handle_event_vq(VirtIOSCSI *s, VirtQueue *vq)
+bool virtio_scsi_handle_event_vq(VirtIOSCSI *s, VirtQueue *vq)
{
if (s->events_dropped) {
virtio_scsi_push_event(s, NULL, VIRTIO_SCSI_T_NO_EVENT, 0);
+ return true;
}
+ return false;
}
static void virtio_scsi_handle_event(VirtIODevice *vdev, VirtQueue *vq)