18 static int init_vq(struct virtio_pmem *vpmem)  in init_vq()  argument
21 	vpmem->req_vq = virtio_find_single_vq(vpmem->vdev,  in init_vq()
23 	if (IS_ERR(vpmem->req_vq))  in init_vq()
24 		return PTR_ERR(vpmem->req_vq);  in init_vq()
26 	spin_lock_init(&vpmem->pmem_lock);  in init_vq()
27 	INIT_LIST_HEAD(&vpmem->req_list);  in init_vq()
37 	struct virtio_pmem *vpmem;  in virtio_pmem_probe()  local
47 	vpmem = devm_kzalloc(&vdev->dev, sizeof(*vpmem), GFP_KERNEL);  in virtio_pmem_probe()
48 	if (!vpmem) {  in virtio_pmem_probe()
53 	vpmem->vdev = vdev;  in virtio_pmem_probe()
54 	vdev->priv = vpmem;  in virtio_pmem_probe()
55 	err = init_vq(vpmem);  in virtio_pmem_probe()
61 	virtio_cread_le(vpmem->vdev, struct virtio_pmem_config,  in virtio_pmem_probe()
62 			start, &vpmem->start);  in virtio_pmem_probe()
63 	virtio_cread_le(vpmem->vdev, struct virtio_pmem_config,  in virtio_pmem_probe()
64 			size, &vpmem->size);  in virtio_pmem_probe()
66 	res.start = vpmem->start;  in virtio_pmem_probe()
67 	res.end   = vpmem->start + vpmem->size - 1;  in virtio_pmem_probe()
68 	vpmem->nd_desc.provider_name = "virtio-pmem";  in virtio_pmem_probe()
69 	vpmem->nd_desc.module = THIS_MODULE;  in virtio_pmem_probe()
71 	vpmem->nvdimm_bus = nvdimm_bus_register(&vdev->dev,  in virtio_pmem_probe()
72 						&vpmem->nd_desc);  in virtio_pmem_probe()
73 	if (!vpmem->nvdimm_bus) {  in virtio_pmem_probe()
79 	dev_set_drvdata(&vdev->dev, vpmem->nvdimm_bus);  in virtio_pmem_probe()
93 	nd_region = nvdimm_pmem_region_create(vpmem->nvdimm_bus, &ndr_desc);  in virtio_pmem_probe()
102 	nvdimm_bus_unregister(vpmem->nvdimm_bus);  in virtio_pmem_probe()