27 	struct nd_pfn *nd_pfn = to_nd_pfn(dev);  in nd_pfn_release()  local
30 	nd_detach_ndns(&nd_pfn->dev, &nd_pfn->ndns);  in nd_pfn_release()
31 	ida_simple_remove(&nd_region->pfn_ida, nd_pfn->id);  in nd_pfn_release()
32 	kfree(nd_pfn->uuid);  in nd_pfn_release()
33 	kfree(nd_pfn);  in nd_pfn_release()
47 struct nd_pfn *to_nd_pfn(struct device *dev)  in to_nd_pfn()
49 	struct nd_pfn *nd_pfn = container_of(dev, struct nd_pfn, dev);  in to_nd_pfn()  local
52 	return nd_pfn;  in to_nd_pfn()
59 	struct nd_pfn *nd_pfn = to_nd_pfn(dev);  in mode_show()  local
61 	switch (nd_pfn->mode) {  in mode_show()
74 	struct nd_pfn *nd_pfn = to_nd_pfn(dev);  in mode_store()  local
90 			nd_pfn->mode = PFN_MODE_RAM;  in mode_store()
93 			nd_pfn->mode = PFN_MODE_NONE;  in mode_store()
109 	struct nd_pfn *nd_pfn = to_nd_pfn(dev);  in uuid_show()  local
111 	if (nd_pfn->uuid)  in uuid_show()
112 		return sprintf(buf, "%pUb\n", nd_pfn->uuid);  in uuid_show()
119 	struct nd_pfn *nd_pfn = to_nd_pfn(dev);  in uuid_store()  local
123 	rc = nd_uuid_store(dev, &nd_pfn->uuid, buf, len);  in uuid_store()
135 	struct nd_pfn *nd_pfn = to_nd_pfn(dev);  in namespace_show()  local
139 	rc = sprintf(buf, "%s\n", nd_pfn->ndns  in namespace_show()
140 			? dev_name(&nd_pfn->ndns->dev) : "");  in namespace_show()
148 	struct nd_pfn *nd_pfn = to_nd_pfn(dev);  in namespace_store()  local
153 	rc = nd_namespace_store(dev, &nd_pfn->ndns, buf, len);  in namespace_store()
185 	struct nd_pfn *nd_pfn;  in __nd_pfn_create()  local
192 	nd_pfn = kzalloc(sizeof(*nd_pfn), GFP_KERNEL);  in __nd_pfn_create()
193 	if (!nd_pfn)  in __nd_pfn_create()
196 	nd_pfn->id = ida_simple_get(&nd_region->pfn_ida, 0, 0, GFP_KERNEL);  in __nd_pfn_create()
197 	if (nd_pfn->id < 0) {  in __nd_pfn_create()
198 		kfree(nd_pfn);  in __nd_pfn_create()
202 	nd_pfn->mode = mode;  in __nd_pfn_create()
205 	nd_pfn->uuid = uuid;  in __nd_pfn_create()
206 	dev = &nd_pfn->dev;  in __nd_pfn_create()
207 	dev_set_name(dev, "pfn%d.%d", nd_region->id, nd_pfn->id);  in __nd_pfn_create()
211 	device_initialize(&nd_pfn->dev);  in __nd_pfn_create()
212 	if (ndns && !__nd_attach_ndns(&nd_pfn->dev, ndns, &nd_pfn->ndns)) {  in __nd_pfn_create()
231 int nd_pfn_validate(struct nd_pfn *nd_pfn)  in nd_pfn_validate()  argument
233 	struct nd_namespace_common *ndns = nd_pfn->ndns;  in nd_pfn_validate()
234 	struct nd_pfn_sb *pfn_sb = nd_pfn->pfn_sb;  in nd_pfn_validate()
241 	if (!is_nd_pmem(nd_pfn->dev.parent))  in nd_pfn_validate()
270 	if (!nd_pfn->uuid) {  in nd_pfn_validate()
272 		nd_pfn->uuid = kmemdup(pfn_sb->uuid, 16, GFP_KERNEL);  in nd_pfn_validate()
273 		if (!nd_pfn->uuid)  in nd_pfn_validate()
277 		if (memcmp(nd_pfn->uuid, pfn_sb->uuid, 16) != 0)  in nd_pfn_validate()
290 		dev_err(&nd_pfn->dev,  in nd_pfn_validate()
295 		dev_err(&nd_pfn->dev, "pfn array size exceeds capacity of %s\n",  in nd_pfn_validate()
308 	struct nd_pfn *nd_pfn;  in nd_pfn_probe()  local
322 	nd_pfn = to_nd_pfn(dev);  in nd_pfn_probe()
323 	nd_pfn->pfn_sb = pfn_sb;  in nd_pfn_probe()
324 	rc = nd_pfn_validate(nd_pfn);  in nd_pfn_probe()
325 	nd_pfn->pfn_sb = NULL;  in nd_pfn_probe()
330 		__nd_detach_ndns(dev, &nd_pfn->ndns);  in nd_pfn_probe()
333 		__nd_device_register(&nd_pfn->dev);  in nd_pfn_probe()