struct ifcvf_internal {
struct rte_pci_device *pdev;
struct ifcvf_hw hw;
+ int configured;
int vfio_container_fd;
int vfio_group_fd;
int vfio_dev_fd;
DRV_LOG(NOTICE, "vDPA (%s): software relay is used.",
vdev->device->name);
+ internal->configured = 1;
return 0;
}
update_datapath(internal);
}
+ internal->configured = 0;
return 0;
}
return 0;
}
+static int
+ifcvf_set_vring_state(int vid, int vring, int state)
+{
+ struct rte_vdpa_device *vdev;
+ struct internal_list *list;
+ struct ifcvf_internal *internal;
+ struct ifcvf_hw *hw;
+ struct ifcvf_pci_common_cfg *cfg;
+ int ret = 0;
+
+ vdev = rte_vhost_get_vdpa_device(vid);
+ list = find_internal_resource_by_vdev(vdev);
+ if (list == NULL) {
+ DRV_LOG(ERR, "Invalid vDPA device: %p", vdev);
+ return -1;
+ }
+
+ internal = list->internal;
+ if (vring < 0 || vring >= internal->max_queues * 2) {
+ DRV_LOG(ERR, "Vring index %d not correct", vring);
+ return -1;
+ }
+
+ hw = &internal->hw;
+ if (!internal->configured)
+ goto exit;
+
+ cfg = hw->common_cfg;
+ IFCVF_WRITE_REG16(vring, &cfg->queue_select);
+ IFCVF_WRITE_REG16(!!state, &cfg->queue_enable);
+
+ if (!state && hw->vring[vring].enable) {
+ ret = vdpa_disable_vfio_intr(internal);
+ if (ret)
+ return ret;
+ }
+
+ if (state && !hw->vring[vring].enable) {
+ ret = vdpa_enable_vfio_intr(internal, 0);
+ if (ret)
+ return ret;
+ }
+
+exit:
+ hw->vring[vring].enable = !!state;
+ return 0;
+}
+
static struct rte_vdpa_dev_ops ifcvf_ops = {
.get_queue_num = ifcvf_get_queue_num,
.get_features = ifcvf_get_vdpa_features,
.get_protocol_features = ifcvf_get_protocol_features,
.dev_conf = ifcvf_dev_config,
.dev_close = ifcvf_dev_close,
- .set_vring_state = NULL,
+ .set_vring_state = ifcvf_set_vring_state,
.set_features = ifcvf_set_features,
.migration_done = NULL,
.get_vfio_group_fd = ifcvf_get_vfio_group_fd,
goto error;
}
+ internal->configured = 0;
internal->max_queues = IFCVF_MAX_QUEUES;
features = ifcvf_get_features(&internal->hw);
internal->features = (features &