2  * Vhost-user SCMI virtio device
14 #include "hw/virtio/vhost-user-scmi.h"
22  * Linux VirtIO SCMI guest driver.
36     VHostUserSCMI *scmi = VHOST_USER_SCMI(vdev);  in vu_scmi_start()  local
39     struct vhost_dev *vhost_dev = &scmi->vhost_dev;  in vu_scmi_start()
63         error_report("Error starting vhost-user-scmi: %d", ret);  in vu_scmi_start()
66     scmi->started_vu = true;  in vu_scmi_start()
73     for (i = 0; i < scmi->vhost_dev.nvqs; i++) {  in vu_scmi_start()
88     VHostUserSCMI *scmi = VHOST_USER_SCMI(vdev);  in vu_scmi_stop()  local
91     struct vhost_dev *vhost_dev = &scmi->vhost_dev;  in vu_scmi_stop()
95     if (!scmi->started_vu) {  in vu_scmi_stop()
98     scmi->started_vu = false;  in vu_scmi_stop()
116     VHostUserSCMI *scmi = VHOST_USER_SCMI(vdev);  in vu_scmi_set_status()  local
119     if (!scmi->connected) {  in vu_scmi_set_status()
122     if (vhost_dev_is_started(&scmi->vhost_dev) == should_start) {  in vu_scmi_set_status()
136     VHostUserSCMI *scmi = VHOST_USER_SCMI(vdev);  in vu_scmi_get_features()  local
138     return vhost_get_features(&scmi->vhost_dev, feature_bits, features);  in vu_scmi_get_features()
151     VHostUserSCMI *scmi = VHOST_USER_SCMI(vdev);  in vu_scmi_guest_notifier_mask()  local
157     vhost_virtqueue_mask(&scmi->vhost_dev, vdev, idx, mask);  in vu_scmi_guest_notifier_mask()
162     VHostUserSCMI *scmi = VHOST_USER_SCMI(vdev);  in vu_scmi_guest_notifier_pending()  local
164     return vhost_virtqueue_pending(&scmi->vhost_dev, idx);  in vu_scmi_guest_notifier_pending()
170     VHostUserSCMI *scmi = VHOST_USER_SCMI(vdev);  in vu_scmi_connect()  local
172     if (scmi->connected) {  in vu_scmi_connect()
175     scmi->connected = true;  in vu_scmi_connect()
186     VHostUserSCMI *scmi = VHOST_USER_SCMI(vdev);  in vu_scmi_disconnect()  local
188     if (!scmi->connected) {  in vu_scmi_disconnect()
191     scmi->connected = false;  in vu_scmi_disconnect()
193     if (vhost_dev_is_started(&scmi->vhost_dev)) {  in vu_scmi_disconnect()
217 static void do_vhost_user_cleanup(VirtIODevice *vdev, VHostUserSCMI *scmi)  in do_vhost_user_cleanup()  argument
219     virtio_delete_queue(scmi->cmd_vq);  in do_vhost_user_cleanup()
220     virtio_delete_queue(scmi->event_vq);  in do_vhost_user_cleanup()
221     g_free(scmi->vhost_dev.vqs);  in do_vhost_user_cleanup()
223     vhost_user_cleanup(&scmi->vhost_user);  in do_vhost_user_cleanup()
229     VHostUserSCMI *scmi = VHOST_USER_SCMI(dev);  in vu_scmi_device_realize()  local
232     if (!scmi->chardev.chr) {  in vu_scmi_device_realize()
233         error_setg(errp, "vhost-user-scmi: chardev is mandatory");  in vu_scmi_device_realize()
239     if (!vhost_user_init(&scmi->vhost_user, &scmi->chardev, errp)) {  in vu_scmi_device_realize()
245     scmi->cmd_vq = virtio_add_queue(vdev, 256, vu_scmi_handle_output);  in vu_scmi_device_realize()
246     scmi->event_vq = virtio_add_queue(vdev, 256, vu_scmi_handle_output);  in vu_scmi_device_realize()
247     scmi->vhost_dev.nvqs = 2;  in vu_scmi_device_realize()
248     scmi->vhost_dev.vqs = g_new0(struct vhost_virtqueue, scmi->vhost_dev.nvqs);  in vu_scmi_device_realize()
250     ret = vhost_dev_init(&scmi->vhost_dev, &scmi->vhost_user,  in vu_scmi_device_realize()
254                          "vhost-user-scmi: vhost_dev_init() failed");  in vu_scmi_device_realize()
255         do_vhost_user_cleanup(vdev, scmi);  in vu_scmi_device_realize()
259     qemu_chr_fe_set_handlers(&scmi->chardev, NULL, NULL, vu_scmi_event, NULL,  in vu_scmi_device_realize()
268     VHostUserSCMI *scmi = VHOST_USER_SCMI(dev);  in vu_scmi_device_unrealize()  local
271     vhost_dev_cleanup(&scmi->vhost_dev);  in vu_scmi_device_unrealize()
272     do_vhost_user_cleanup(vdev, scmi);  in vu_scmi_device_unrealize()
276     .name = "vhost-user-scmi",