24 #include "hw/virtio/vhost-user-fs.h"
43     VHostUserFS *fs = VHOST_USER_FS(vdev);  in vuf_get_config()  local
46     memcpy((char *)fscfg.tag, fs->conf.tag,  in vuf_get_config()
47            MIN(strlen(fs->conf.tag) + 1, sizeof(fscfg.tag)));  in vuf_get_config()
49     virtio_stl_p(vdev, &fscfg.num_request_queues, fs->conf.num_request_queues);  in vuf_get_config()
56     VHostUserFS *fs = VHOST_USER_FS(vdev);  in vuf_start()  local
67     ret = vhost_dev_enable_notifiers(&fs->vhost_dev, vdev);  in vuf_start()
73     ret = k->set_guest_notifiers(qbus->parent, fs->vhost_dev.nvqs, true);  in vuf_start()
79     fs->vhost_dev.acked_features = vdev->guest_features;  in vuf_start()
80     ret = vhost_dev_start(&fs->vhost_dev, vdev, true);  in vuf_start()
91     for (i = 0; i < fs->vhost_dev.nvqs; i++) {  in vuf_start()
92         vhost_virtqueue_mask(&fs->vhost_dev, vdev, i, false);  in vuf_start()
98     k->set_guest_notifiers(qbus->parent, fs->vhost_dev.nvqs, false);  in vuf_start()
100     vhost_dev_disable_notifiers(&fs->vhost_dev, vdev);  in vuf_start()
105     VHostUserFS *fs = VHOST_USER_FS(vdev);  in vuf_stop()  local
114     vhost_dev_stop(&fs->vhost_dev, vdev, true);  in vuf_stop()
116     ret = k->set_guest_notifiers(qbus->parent, fs->vhost_dev.nvqs, false);  in vuf_stop()
122     vhost_dev_disable_notifiers(&fs->vhost_dev, vdev);  in vuf_stop()
127     VHostUserFS *fs = VHOST_USER_FS(vdev);  in vuf_set_status()  local
130     if (vhost_dev_is_started(&fs->vhost_dev) == should_start) {  in vuf_set_status()
145     VHostUserFS *fs = VHOST_USER_FS(vdev);  in vuf_get_features()  local
147     return vhost_get_features(&fs->vhost_dev, user_feature_bits, features);  in vuf_get_features()
161     VHostUserFS *fs = VHOST_USER_FS(vdev);  in vuf_guest_notifier_mask()  local
172     vhost_virtqueue_mask(&fs->vhost_dev, vdev, idx, mask);  in vuf_guest_notifier_mask()
177     VHostUserFS *fs = VHOST_USER_FS(vdev);  in vuf_guest_notifier_pending()  local
188     return vhost_virtqueue_pending(&fs->vhost_dev, idx);  in vuf_guest_notifier_pending()
194     VHostUserFS *fs = VHOST_USER_FS(dev);  in vuf_device_realize()  local
199     if (!fs->conf.chardev.chr) {  in vuf_device_realize()
204     if (!fs->conf.tag) {  in vuf_device_realize()
208     len = strlen(fs->conf.tag);  in vuf_device_realize()
219     if (fs->conf.num_request_queues == 0) {  in vuf_device_realize()
224     if (!is_power_of_2(fs->conf.queue_size)) {  in vuf_device_realize()
229     if (fs->conf.queue_size > VIRTQUEUE_MAX_SIZE) {  in vuf_device_realize()
235     if (!vhost_user_init(&fs->vhost_user, &fs->conf.chardev, errp)) {  in vuf_device_realize()
242     fs->hiprio_vq = virtio_add_queue(vdev, fs->conf.queue_size, vuf_handle_output);  in vuf_device_realize()
245     fs->req_vqs = g_new(VirtQueue *, fs->conf.num_request_queues);  in vuf_device_realize()
246     for (i = 0; i < fs->conf.num_request_queues; i++) {  in vuf_device_realize()
247         fs->req_vqs[i] = virtio_add_queue(vdev, fs->conf.queue_size, vuf_handle_output);  in vuf_device_realize()
251     fs->vhost_dev.nvqs = 1 + fs->conf.num_request_queues;  in vuf_device_realize()
252     fs->vhost_dev.vqs = g_new0(struct vhost_virtqueue, fs->vhost_dev.nvqs);  in vuf_device_realize()
253     ret = vhost_dev_init(&fs->vhost_dev, &fs->vhost_user,  in vuf_device_realize()
262     vhost_user_cleanup(&fs->vhost_user);  in vuf_device_realize()
263     virtio_delete_queue(fs->hiprio_vq);  in vuf_device_realize()
264     for (i = 0; i < fs->conf.num_request_queues; i++) {  in vuf_device_realize()
265         virtio_delete_queue(fs->req_vqs[i]);  in vuf_device_realize()
267     g_free(fs->req_vqs);  in vuf_device_realize()
269     g_free(fs->vhost_dev.vqs);  in vuf_device_realize()
276     VHostUserFS *fs = VHOST_USER_FS(dev);  in vuf_device_unrealize()  local
277     struct vhost_virtqueue *vhost_vqs = fs->vhost_dev.vqs;  in vuf_device_unrealize()
283     vhost_dev_cleanup(&fs->vhost_dev);  in vuf_device_unrealize()
285     vhost_user_cleanup(&fs->vhost_user);  in vuf_device_unrealize()
287     virtio_delete_queue(fs->hiprio_vq);  in vuf_device_unrealize()
288     for (i = 0; i < fs->conf.num_request_queues; i++) {  in vuf_device_unrealize()
289         virtio_delete_queue(fs->req_vqs[i]);  in vuf_device_unrealize()
291     g_free(fs->req_vqs);  in vuf_device_unrealize()
298     VHostUserFS *fs = VHOST_USER_FS(vdev);  in vuf_get_vhost()  local
299     return &fs->vhost_dev;  in vuf_get_vhost()
309     VHostUserFS *fs = VHOST_USER_FS(vdev);  in vuf_save_state()  local
313     ret = vhost_save_backend_state(&fs->vhost_dev, f, &local_error);  in vuf_save_state()
319                           fs->conf.tag ?: "<none>");  in vuf_save_state()
333     VHostUserFS *fs = VHOST_USER_FS(vdev);  in vuf_load_state()  local
337     ret = vhost_load_backend_state(&fs->vhost_dev, f, &local_error);  in vuf_load_state()
343                           fs->conf.tag ?: "<none>");  in vuf_load_state()
359     VHostUserFS *fs = VHOST_USER_FS(vdev);  in vuf_check_migration_support()  local
361     if (!vhost_supports_device_state(&fs->vhost_dev)) {  in vuf_check_migration_support()
365                      fs->conf.tag ?: "<none>");  in vuf_check_migration_support()
375     .name = "vhost-user-fs",
388     .name = "vhost-user-fs-backend",
397                 .name = "virtio-fs back-end state",
417     VHostUserFS *fs = VHOST_USER_FS(obj);  in vuf_instance_init()  local
419     device_add_bootindex_property(obj, &fs->bootindex, "bootindex",  in vuf_instance_init()