203 	struct dma_config xfer_config;  in dma_emul_work_handler()  local
220 		memcpy(&xfer_config, &xfer->config, sizeof(xfer_config));  in dma_emul_work_handler()
224 		for (i = 0; i < xfer_config.block_count; ++i) {  in dma_emul_work_handler()
235 					      xfer_config.dma_slot + i],  in dma_emul_work_handler()
240 			for (bytes = MIN(block.block_size, xfer_config.dest_burst_length);  in dma_emul_work_handler()
243 			    bytes = MIN(block.block_size, xfer_config.dest_burst_length)) {  in dma_emul_work_handler()
251 					if (!xfer_config.error_callback_dis) {  in dma_emul_work_handler()
252 						xfer_config.dma_callback(dev, xfer_config.user_data,  in dma_emul_work_handler()
278 			xfer_config.dma_callback(dev, xfer_config.user_data, channel,  in dma_emul_work_handler()
284 		if (xfer_config.source_chaining_en || xfer_config.dest_chaining_en) {  in dma_emul_work_handler()
286 				xfer_config.linked_channel);  in dma_emul_work_handler()
287 			__ASSERT_NO_MSG(channel != xfer_config.linked_channel);  in dma_emul_work_handler()
288 			channel = xfer_config.linked_channel;  in dma_emul_work_handler()
300 				  const struct dma_config *xfer_config)  in dma_emul_config_valid()  argument
306 	if (xfer_config->dma_slot >= config->num_requests) {  in dma_emul_config_valid()
307 		LOG_ERR("invalid dma_slot %u", xfer_config->dma_slot);  in dma_emul_config_valid()
316 	if (xfer_config->dest_burst_length != xfer_config->source_burst_length) {  in dma_emul_config_valid()
318 			xfer_config->source_burst_length, xfer_config->dest_burst_length);  in dma_emul_config_valid()
322 	for (i = 0, block = xfer_config->head_block; i < xfer_config->block_count;  in dma_emul_config_valid()
325 			LOG_ERR("block %zu / %u is NULL", i + 1, xfer_config->block_count);  in dma_emul_config_valid()
331 				xfer_config->block_count);  in dma_emul_config_valid()
348 			      struct dma_config *xfer_config)  in dma_emul_configure()  argument
361 	if (!dma_emul_config_valid(dev, channel, xfer_config)) {  in dma_emul_configure()
369 		dma_emul_xfer_config_to_string(xfer_config));  in dma_emul_configure()
371 	block_idx = channel * config->num_requests + xfer_config->dma_slot;  in dma_emul_configure()
373 	block = &config->block[channel * config->num_requests + xfer_config->dma_slot];  in dma_emul_configure()
379 		memcpy(&xfer->config, xfer_config, sizeof(xfer->config));  in dma_emul_configure()
382 		for (i = 0, block_it = xfer_config->head_block; i < xfer_config->block_count;  in dma_emul_configure()
416 	struct dma_config *xfer_config;  in dma_emul_start()  local
439 			xfer_config = &config->xfer[channel].config;  in dma_emul_start()
440 			if (xfer_config->source_chaining_en || xfer_config->dest_chaining_en) {  in dma_emul_start()
442 					xfer_config->linked_channel);  in dma_emul_start()
443 				channel = xfer_config->linked_channel;  in dma_emul_start()