164 static void __cxl_dpa_release(struct cxl_endpoint_decoder *cxled)  in __cxl_dpa_release()  argument
166 	struct cxl_memdev *cxlmd = cxled_to_memdev(cxled);  in __cxl_dpa_release()
167 	struct cxl_port *port = cxled_to_port(cxled);  in __cxl_dpa_release()
169 	struct resource *res = cxled->dpa_res;  in __cxl_dpa_release()
175 	skip_start = res->start - cxled->skip;  in __cxl_dpa_release()
177 	if (cxled->skip)  in __cxl_dpa_release()
178 		__release_region(&cxlds->dpa_res, skip_start, cxled->skip);  in __cxl_dpa_release()
179 	cxled->skip = 0;  in __cxl_dpa_release()
180 	cxled->dpa_res = NULL;  in __cxl_dpa_release()
181 	put_device(&cxled->cxld.dev);  in __cxl_dpa_release()
185 static void cxl_dpa_release(void *cxled)  in cxl_dpa_release()  argument
188 	__cxl_dpa_release(cxled);  in cxl_dpa_release()
196 static void devm_cxl_dpa_release(struct cxl_endpoint_decoder *cxled)  in devm_cxl_dpa_release()  argument
198 	struct cxl_port *port = cxled_to_port(cxled);  in devm_cxl_dpa_release()
201 	devm_remove_action(&port->dev, cxl_dpa_release, cxled);  in devm_cxl_dpa_release()
202 	__cxl_dpa_release(cxled);  in devm_cxl_dpa_release()
205 static int __cxl_dpa_reserve(struct cxl_endpoint_decoder *cxled,  in __cxl_dpa_reserve()  argument
209 	struct cxl_memdev *cxlmd = cxled_to_memdev(cxled);  in __cxl_dpa_reserve()
210 	struct cxl_port *port = cxled_to_port(cxled);  in __cxl_dpa_reserve()
220 	if (cxled->dpa_res) {  in __cxl_dpa_reserve()
222 			port->id, cxled->cxld.id, cxled->dpa_res);  in __cxl_dpa_reserve()
226 	if (port->hdm_end + 1 != cxled->cxld.id) {  in __cxl_dpa_reserve()
234 			cxled->cxld.id, port->id, port->hdm_end + 1);  in __cxl_dpa_reserve()
240 				       dev_name(&cxled->cxld.dev), 0);  in __cxl_dpa_reserve()
244 				port->id, cxled->cxld.id);  in __cxl_dpa_reserve()
249 			       dev_name(&cxled->cxld.dev), 0);  in __cxl_dpa_reserve()
252 			port->id, cxled->cxld.id);  in __cxl_dpa_reserve()
258 	cxled->dpa_res = res;  in __cxl_dpa_reserve()
259 	cxled->skip = skipped;  in __cxl_dpa_reserve()
262 		cxled->mode = CXL_DECODER_PMEM;  in __cxl_dpa_reserve()
264 		cxled->mode = CXL_DECODER_RAM;  in __cxl_dpa_reserve()
267 			cxled->cxld.id, cxled->dpa_res);  in __cxl_dpa_reserve()
268 		cxled->mode = CXL_DECODER_MIXED;  in __cxl_dpa_reserve()
273 	get_device(&cxled->cxld.dev);  in __cxl_dpa_reserve()
277 static int devm_cxl_dpa_reserve(struct cxl_endpoint_decoder *cxled,  in devm_cxl_dpa_reserve()  argument
281 	struct cxl_port *port = cxled_to_port(cxled);  in devm_cxl_dpa_reserve()
285 	rc = __cxl_dpa_reserve(cxled, base, len, skipped);  in devm_cxl_dpa_reserve()
291 	return devm_add_action_or_reset(&port->dev, cxl_dpa_release, cxled);  in devm_cxl_dpa_reserve()
294 resource_size_t cxl_dpa_size(struct cxl_endpoint_decoder *cxled)  in cxl_dpa_size()  argument
299 	if (cxled->dpa_res)  in cxl_dpa_size()
300 		size = resource_size(cxled->dpa_res);  in cxl_dpa_size()
306 resource_size_t cxl_dpa_resource_start(struct cxl_endpoint_decoder *cxled)  in cxl_dpa_resource_start()  argument
311 	if (cxled->dpa_res)  in cxl_dpa_resource_start()
312 		base = cxled->dpa_res->start;  in cxl_dpa_resource_start()
318 int cxl_dpa_free(struct cxl_endpoint_decoder *cxled)  in cxl_dpa_free()  argument
320 	struct cxl_port *port = cxled_to_port(cxled);  in cxl_dpa_free()
321 	struct device *dev = &cxled->cxld.dev;  in cxl_dpa_free()
325 	if (!cxled->dpa_res) {  in cxl_dpa_free()
329 	if (cxled->cxld.region) {  in cxl_dpa_free()
331 			dev_name(&cxled->cxld.region->dev));  in cxl_dpa_free()
335 	if (cxled->cxld.flags & CXL_DECODER_F_ENABLE) {  in cxl_dpa_free()
340 	if (cxled->cxld.id != port->hdm_end) {  in cxl_dpa_free()
346 	devm_cxl_dpa_release(cxled);  in cxl_dpa_free()
353 int cxl_dpa_set_mode(struct cxl_endpoint_decoder *cxled,  in cxl_dpa_set_mode()  argument
356 	struct cxl_memdev *cxlmd = cxled_to_memdev(cxled);  in cxl_dpa_set_mode()
358 	struct device *dev = &cxled->cxld.dev;  in cxl_dpa_set_mode()
371 	if (cxled->cxld.flags & CXL_DECODER_F_ENABLE) {  in cxl_dpa_set_mode()
391 	cxled->mode = mode;  in cxl_dpa_set_mode()
399 int cxl_dpa_alloc(struct cxl_endpoint_decoder *cxled, unsigned long long size)  in cxl_dpa_alloc()  argument
401 	struct cxl_memdev *cxlmd = cxled_to_memdev(cxled);  in cxl_dpa_alloc()
403 	struct cxl_port *port = cxled_to_port(cxled);  in cxl_dpa_alloc()
405 	struct device *dev = &cxled->cxld.dev;  in cxl_dpa_alloc()
411 	if (cxled->cxld.region) {  in cxl_dpa_alloc()
413 			dev_name(&cxled->cxld.region->dev));  in cxl_dpa_alloc()
418 	if (cxled->cxld.flags & CXL_DECODER_F_ENABLE) {  in cxl_dpa_alloc()
438 	if (cxled->mode == CXL_DECODER_RAM) {  in cxl_dpa_alloc()
442 	} else if (cxled->mode == CXL_DECODER_PMEM) {  in cxl_dpa_alloc()
467 			cxled->mode == CXL_DECODER_RAM ? "ram" : "pmem",  in cxl_dpa_alloc()
473 	rc = __cxl_dpa_reserve(cxled, start, size, skip);  in cxl_dpa_alloc()
480 	return devm_add_action_or_reset(&port->dev, cxl_dpa_release, cxled);  in cxl_dpa_alloc()
616 		struct cxl_endpoint_decoder *cxled =  in cxl_decoder_commit()  local
621 		writel(upper_32_bits(cxled->skip), sk_hi);  in cxl_decoder_commit()
622 		writel(lower_32_bits(cxled->skip), sk_lo);  in cxl_decoder_commit()
681 	struct cxl_endpoint_decoder *cxled = NULL;  in init_hdm_decoder()  local
693 		cxled = to_cxl_endpoint_decoder(&cxld->dev);  in init_hdm_decoder()
752 	if (!cxled) {  in init_hdm_decoder()
772 	rc = devm_cxl_dpa_reserve(cxled, *dpa_base + skip, dpa_size, skip);  in init_hdm_decoder()
819 			struct cxl_endpoint_decoder *cxled;  in devm_cxl_enumerate_decoders()  local
821 			cxled = cxl_endpoint_decoder_alloc(port);  in devm_cxl_enumerate_decoders()
822 			if (IS_ERR(cxled)) {  in devm_cxl_enumerate_decoders()
825 				return PTR_ERR(cxled);  in devm_cxl_enumerate_decoders()
827 			cxld = &cxled->cxld;  in devm_cxl_enumerate_decoders()