31 static int __validate_dimm(struct nvdimm_drvdata *ndd)  in __validate_dimm()  argument
35 	if (!ndd)  in __validate_dimm()
38 	nvdimm = to_nvdimm(ndd->dev);  in __validate_dimm()
48 static int validate_dimm(struct nvdimm_drvdata *ndd)  in validate_dimm()  argument
50 	int rc = __validate_dimm(ndd);  in validate_dimm()
52 	if (rc && ndd)  in validate_dimm()
53 		dev_dbg(ndd->dev, "%pf: %s error: %d\n",  in validate_dimm()
62 int nvdimm_init_nsarea(struct nvdimm_drvdata *ndd)  in nvdimm_init_nsarea()  argument
64 	struct nd_cmd_get_config_size *cmd = &ndd->nsarea;  in nvdimm_init_nsarea()
65 	struct nvdimm_bus *nvdimm_bus = walk_to_nvdimm_bus(ndd->dev);  in nvdimm_init_nsarea()
67 	int rc = validate_dimm(ndd);  in nvdimm_init_nsarea()
77 	return nd_desc->ndctl(nd_desc, to_nvdimm(ndd->dev),  in nvdimm_init_nsarea()
81 int nvdimm_init_config_data(struct nvdimm_drvdata *ndd)  in nvdimm_init_config_data()  argument
83 	struct nvdimm_bus *nvdimm_bus = walk_to_nvdimm_bus(ndd->dev);  in nvdimm_init_config_data()
86 	int rc = validate_dimm(ndd);  in nvdimm_init_config_data()
93 	if (ndd->data)  in nvdimm_init_config_data()
96 	if (ndd->nsarea.status || ndd->nsarea.max_xfer == 0  in nvdimm_init_config_data()
97 			|| ndd->nsarea.config_size < ND_LABEL_MIN_SIZE) {  in nvdimm_init_config_data()
98 		dev_dbg(ndd->dev, "failed to init config data area: (%d:%d)\n",  in nvdimm_init_config_data()
99 				ndd->nsarea.max_xfer, ndd->nsarea.config_size);  in nvdimm_init_config_data()
103 	ndd->data = kmalloc(ndd->nsarea.config_size, GFP_KERNEL);  in nvdimm_init_config_data()
104 	if (!ndd->data)  in nvdimm_init_config_data()
105 		ndd->data = vmalloc(ndd->nsarea.config_size);  in nvdimm_init_config_data()
107 	if (!ndd->data)  in nvdimm_init_config_data()
110 	max_cmd_size = min_t(u32, PAGE_SIZE, ndd->nsarea.max_xfer);  in nvdimm_init_config_data()
116 	for (config_size = ndd->nsarea.config_size, offset = 0;  in nvdimm_init_config_data()
121 		rc = nd_desc->ndctl(nd_desc, to_nvdimm(ndd->dev),  in nvdimm_init_config_data()
128 		memcpy(ndd->data + offset, cmd->out_buf, cmd->in_length);  in nvdimm_init_config_data()
130 	dev_dbg(ndd->dev, "%s: len: %zu rc: %d\n", __func__, offset, rc);  in nvdimm_init_config_data()
136 int nvdimm_set_config_data(struct nvdimm_drvdata *ndd, size_t offset,  in nvdimm_set_config_data()  argument
139 	int rc = validate_dimm(ndd);  in nvdimm_set_config_data()
142 	struct nvdimm_bus *nvdimm_bus = walk_to_nvdimm_bus(ndd->dev);  in nvdimm_set_config_data()
148 	if (!ndd->data)  in nvdimm_set_config_data()
151 	if (offset + len > ndd->nsarea.config_size)  in nvdimm_set_config_data()
155 	max_cmd_size = min_t(u32, max_cmd_size, ndd->nsarea.max_xfer);  in nvdimm_set_config_data()
173 		rc = nd_desc->ndctl(nd_desc, to_nvdimm(ndd->dev),  in nvdimm_set_config_data()
233 	struct nvdimm_drvdata *ndd = container_of(kref, typeof(*ndd), kref);  in nvdimm_drvdata_release()  local
234 	struct device *dev = ndd->dev;  in nvdimm_drvdata_release()
240 	for_each_dpa_resource_safe(ndd, res, _r)  in nvdimm_drvdata_release()
241 		nvdimm_free_dpa(ndd, res);  in nvdimm_drvdata_release()
244 	kvfree(ndd->data);  in nvdimm_drvdata_release()
245 	kfree(ndd);  in nvdimm_drvdata_release()
249 void get_ndd(struct nvdimm_drvdata *ndd)  in get_ndd()  argument
251 	kref_get(&ndd->kref);  in get_ndd()
254 void put_ndd(struct nvdimm_drvdata *ndd)  in put_ndd()  argument
256 	if (ndd)  in put_ndd()
257 		kref_put(&ndd->kref, nvdimm_drvdata_release);  in put_ndd()
309 	struct nvdimm_drvdata *ndd = dev_get_drvdata(dev);  in available_slots_show()  local
313 	if (!ndd)  in available_slots_show()
317 	nfree = nd_label_nfree(ndd);  in available_slots_show()
380 	struct nvdimm_drvdata *ndd = to_ndd(nd_mapping);  in nd_blk_available_dpa()  local
384 	if (!ndd)  in nd_blk_available_dpa()
388 	for_each_dpa_resource(ndd, res)  in nd_blk_available_dpa()
427 	struct nvdimm_drvdata *ndd = to_ndd(nd_mapping);  in nd_pmem_available_dpa()  local
431 	if (!ndd)  in nd_pmem_available_dpa()
437 	for_each_dpa_resource(ndd, res)  in nd_pmem_available_dpa()
481 	nd_dbg_dpa(nd_region, ndd, res, "%s\n", reason);  in nd_pmem_available_dpa()
485 void nvdimm_free_dpa(struct nvdimm_drvdata *ndd, struct resource *res)  in nvdimm_free_dpa()  argument
487 	WARN_ON_ONCE(!is_nvdimm_bus_locked(ndd->dev));  in nvdimm_free_dpa()
489 	__release_region(&ndd->dpa, res->start, resource_size(res));  in nvdimm_free_dpa()
492 struct resource *nvdimm_allocate_dpa(struct nvdimm_drvdata *ndd,  in nvdimm_allocate_dpa()  argument
502 	WARN_ON_ONCE(!is_nvdimm_bus_locked(ndd->dev));  in nvdimm_allocate_dpa()
503 	res = __request_region(&ndd->dpa, start, n, name, 0);  in nvdimm_allocate_dpa()
514 resource_size_t nvdimm_allocated_dpa(struct nvdimm_drvdata *ndd,  in nvdimm_allocated_dpa()  argument
520 	for_each_dpa_resource(ndd, res)  in nvdimm_allocated_dpa()