Signed-off-by: Eugenio Pérez <epere...@redhat.com>
---
hw/virtio/vhost-vdpa.c | 164 ++++++++++++++++++++---------------------
1 file changed, 82 insertions(+), 82 deletions(-)
diff --git a/hw/virtio/vhost-vdpa.c b/hw/virtio/vhost-vdpa.c
index 04ea43704f..6c10a7f05f 100644
--- a/hw/virtio/vhost-vdpa.c
+++ b/hw/virtio/vhost-vdpa.c
@@ -342,41 +342,6 @@ static bool vhost_vdpa_one_time_request(struct vhost_dev
*dev)
return v->index != 0;
}
-static int vhost_vdpa_init(struct vhost_dev *dev, void *opaque, Error **errp)
-{
- struct vhost_vdpa *v;
- assert(dev->vhost_ops->backend_type == VHOST_BACKEND_TYPE_VDPA);
- trace_vhost_vdpa_init(dev, opaque);
- int ret;
-
- /*
- * Similar to VFIO, we end up pinning all guest memory and have to
- * disable discarding of RAM.
- */
- ret = ram_block_discard_disable(true);
- if (ret) {
- error_report("Cannot set discarding of RAM broken");
- return ret;
- }
-
- v = opaque;
- v->dev = dev;
- dev->opaque = opaque ;
- v->listener = vhost_vdpa_memory_listener;
- v->msg_type = VHOST_IOTLB_MSG_V2;
-
- vhost_vdpa_get_iova_range(v);
-
- if (vhost_vdpa_one_time_request(dev)) {
- return 0;
- }
-
- vhost_vdpa_add_status(dev, VIRTIO_CONFIG_S_ACKNOWLEDGE |
- VIRTIO_CONFIG_S_DRIVER);
-
- return 0;
-}
-
static void vhost_vdpa_host_notifier_uninit(struct vhost_dev *dev,
int queue_index)
{
@@ -506,24 +471,6 @@ static int vhost_vdpa_set_mem_table(struct vhost_dev *dev,
return 0;
}
-static int vhost_vdpa_set_features(struct vhost_dev *dev,
- uint64_t features)
-{
- int ret;
-
- if (vhost_vdpa_one_time_request(dev)) {
- return 0;
- }
-
- trace_vhost_vdpa_set_features(dev, features);
- ret = vhost_vdpa_call(dev, VHOST_SET_FEATURES, &features);
- if (ret) {
- return ret;
- }
-
- return vhost_vdpa_add_status(dev, VIRTIO_CONFIG_S_FEATURES_OK);
-}
-
static int vhost_vdpa_set_backend_cap(struct vhost_dev *dev)
{
uint64_t features;
@@ -646,35 +593,6 @@ static int vhost_vdpa_get_config(struct vhost_dev *dev,
uint8_t *config,
return ret;
}
-static int vhost_vdpa_dev_start(struct vhost_dev *dev, bool started)
-{
- struct vhost_vdpa *v = dev->opaque;
- trace_vhost_vdpa_dev_start(dev, started);
-
- if (started) {
- vhost_vdpa_host_notifiers_init(dev);
- vhost_vdpa_set_vring_ready(dev);
- } else {
- vhost_vdpa_host_notifiers_uninit(dev, dev->nvqs);
- }
-
- if (dev->vq_index + dev->nvqs != dev->vq_index_end) {
- return 0;
- }
-
- if (started) {
- memory_listener_register(&v->listener, &address_space_memory);
- return vhost_vdpa_add_status(dev, VIRTIO_CONFIG_S_DRIVER_OK);
- } else {
- vhost_vdpa_reset_device(dev);
- vhost_vdpa_add_status(dev, VIRTIO_CONFIG_S_ACKNOWLEDGE |
- VIRTIO_CONFIG_S_DRIVER);
- memory_listener_unregister(&v->listener);
-
- return 0;
- }
-}
-
static int vhost_vdpa_set_log_base(struct vhost_dev *dev, uint64_t base,
struct vhost_log *log)
{
@@ -735,6 +653,35 @@ static int vhost_vdpa_set_vring_call(struct vhost_dev *dev,
return vhost_vdpa_call(dev, VHOST_SET_VRING_CALL, file);
}
+static int vhost_vdpa_dev_start(struct vhost_dev *dev, bool started)
+{
+ struct vhost_vdpa *v = dev->opaque;
+ trace_vhost_vdpa_dev_start(dev, started);
+
+ if (started) {
+ vhost_vdpa_host_notifiers_init(dev);
+ vhost_vdpa_set_vring_ready(dev);
+ } else {
+ vhost_vdpa_host_notifiers_uninit(dev, dev->nvqs);
+ }
+
+ if (dev->vq_index + dev->nvqs != dev->vq_index_end) {
+ return 0;
+ }
+
+ if (started) {
+ memory_listener_register(&v->listener, &address_space_memory);
+ return vhost_vdpa_add_status(dev, VIRTIO_CONFIG_S_DRIVER_OK);
+ } else {
+ vhost_vdpa_reset_device(dev);
+ vhost_vdpa_add_status(dev, VIRTIO_CONFIG_S_ACKNOWLEDGE |
+ VIRTIO_CONFIG_S_DRIVER);
+ memory_listener_unregister(&v->listener);
+
+ return 0;
+ }
+}
+
static int vhost_vdpa_get_features(struct vhost_dev *dev,
uint64_t *features)
{
@@ -745,6 +692,24 @@ static int vhost_vdpa_get_features(struct vhost_dev *dev,
return ret;
}
+static int vhost_vdpa_set_features(struct vhost_dev *dev,
+ uint64_t features)
+{
+ int ret;
+
+ if (vhost_vdpa_one_time_request(dev)) {
+ return 0;
+ }
+
+ trace_vhost_vdpa_set_features(dev, features);
+ ret = vhost_vdpa_call(dev, VHOST_SET_FEATURES, &features);
+ if (ret) {
+ return ret;
+ }
+
+ return vhost_vdpa_add_status(dev, VIRTIO_CONFIG_S_FEATURES_OK);
+}
+
static int vhost_vdpa_set_owner(struct vhost_dev *dev)
{
if (vhost_vdpa_one_time_request(dev)) {
@@ -772,6 +737,41 @@ static bool vhost_vdpa_force_iommu(struct vhost_dev *dev)
return true;
}
+static int vhost_vdpa_init(struct vhost_dev *dev, void *opaque, Error **errp)
+{
+ struct vhost_vdpa *v;
+ assert(dev->vhost_ops->backend_type == VHOST_BACKEND_TYPE_VDPA);
+ trace_vhost_vdpa_init(dev, opaque);
+ int ret;
+
+ /*
+ * Similar to VFIO, we end up pinning all guest memory and have to
+ * disable discarding of RAM.
+ */
+ ret = ram_block_discard_disable(true);
+ if (ret) {
+ error_report("Cannot set discarding of RAM broken");
+ return ret;
+ }
+
+ v = opaque;
+ v->dev = dev;
+ dev->opaque = opaque ;
+ v->listener = vhost_vdpa_memory_listener;
+ v->msg_type = VHOST_IOTLB_MSG_V2;
+
+ vhost_vdpa_get_iova_range(v);
+
+ if (vhost_vdpa_one_time_request(dev)) {
+ return 0;
+ }
+
+ vhost_vdpa_add_status(dev, VIRTIO_CONFIG_S_ACKNOWLEDGE |
+ VIRTIO_CONFIG_S_DRIVER);
+
+ return 0;
+}
+
const VhostOps vdpa_ops = {
.backend_type = VHOST_BACKEND_TYPE_VDPA,
.vhost_backend_init = vhost_vdpa_init,
