212 static void ipmi_msg_release(struct acpi_ipmi_msg *tx_msg)  in ipmi_msg_release()  argument
214 	acpi_ipmi_dev_put(tx_msg->device);  in ipmi_msg_release()
215 	kfree(tx_msg);  in ipmi_msg_release()
220 	struct acpi_ipmi_msg *tx_msg =  in ipmi_msg_release_kref()  local
223 	ipmi_msg_release(tx_msg);  in ipmi_msg_release_kref()
226 static struct acpi_ipmi_msg *acpi_ipmi_msg_get(struct acpi_ipmi_msg *tx_msg)  in acpi_ipmi_msg_get()  argument
228 	kref_get(&tx_msg->kref);  in acpi_ipmi_msg_get()
230 	return tx_msg;  in acpi_ipmi_msg_get()
233 static void acpi_ipmi_msg_put(struct acpi_ipmi_msg *tx_msg)  in acpi_ipmi_msg_put()  argument
235 	kref_put(&tx_msg->kref, ipmi_msg_release_kref);  in acpi_ipmi_msg_put()
240 static int acpi_format_ipmi_request(struct acpi_ipmi_msg *tx_msg,  in acpi_format_ipmi_request()  argument
249 	msg = &tx_msg->tx_message;  in acpi_format_ipmi_request()
257 	msg->data = tx_msg->data;  in acpi_format_ipmi_request()
267 		dev_WARN_ONCE(tx_msg->device->dev, true,  in acpi_format_ipmi_request()
273 	memcpy(tx_msg->data, buffer->data, msg->data_len);  in acpi_format_ipmi_request()
282 	tx_msg->addr.addr_type = IPMI_SYSTEM_INTERFACE_ADDR_TYPE;  in acpi_format_ipmi_request()
283 	tx_msg->addr.channel = IPMI_BMC_CHANNEL;  in acpi_format_ipmi_request()
284 	tx_msg->addr.data[0] = 0;  in acpi_format_ipmi_request()
287 	device = tx_msg->device;  in acpi_format_ipmi_request()
291 	tx_msg->tx_msgid = device->curr_msgid;  in acpi_format_ipmi_request()
326 	struct acpi_ipmi_msg *tx_msg;  in ipmi_flush_tx_msg()  local
339 		tx_msg = list_first_entry(&ipmi->tx_msg_list,  in ipmi_flush_tx_msg()
342 		list_del(&tx_msg->head);  in ipmi_flush_tx_msg()
346 		complete(&tx_msg->tx_complete);  in ipmi_flush_tx_msg()
347 		acpi_ipmi_msg_put(tx_msg);  in ipmi_flush_tx_msg()
356 	struct acpi_ipmi_msg *tx_msg, *temp;  in ipmi_cancel_tx_msg()  local
361 	list_for_each_entry_safe(tx_msg, temp, &ipmi->tx_msg_list, head) {  in ipmi_cancel_tx_msg()
362 		if (msg == tx_msg) {  in ipmi_cancel_tx_msg()
364 			list_del(&tx_msg->head);  in ipmi_cancel_tx_msg()
371 		acpi_ipmi_msg_put(tx_msg);  in ipmi_cancel_tx_msg()
378 	struct acpi_ipmi_msg *tx_msg, *temp;  in ipmi_msg_handler()  local
390 	list_for_each_entry_safe(tx_msg, temp, &ipmi_device->tx_msg_list, head) {  in ipmi_msg_handler()
391 		if (msg->msgid == tx_msg->tx_msgid) {  in ipmi_msg_handler()
393 			list_del(&tx_msg->head);  in ipmi_msg_handler()
420 			tx_msg->msg_done = ACPI_IPMI_TIMEOUT;  in ipmi_msg_handler()
425 	tx_msg->rx_len = msg->msg.data_len;  in ipmi_msg_handler()
426 	memcpy(tx_msg->data, msg->msg.data, tx_msg->rx_len);  in ipmi_msg_handler()
427 	tx_msg->msg_done = ACPI_IPMI_OK;  in ipmi_msg_handler()
430 	complete(&tx_msg->tx_complete);  in ipmi_msg_handler()
431 	acpi_ipmi_msg_put(tx_msg);  in ipmi_msg_handler()
526 	struct acpi_ipmi_msg *tx_msg;  in acpi_ipmi_space_handler()  local
541 	tx_msg = ipmi_msg_alloc();  in acpi_ipmi_space_handler()
542 	if (!tx_msg)  in acpi_ipmi_space_handler()
544 	ipmi_device = tx_msg->device;  in acpi_ipmi_space_handler()
546 	if (acpi_format_ipmi_request(tx_msg, address, value) != 0) {  in acpi_ipmi_space_handler()
547 		ipmi_msg_release(tx_msg);  in acpi_ipmi_space_handler()
551 	acpi_ipmi_msg_get(tx_msg);  in acpi_ipmi_space_handler()
556 		ipmi_msg_release(tx_msg);  in acpi_ipmi_space_handler()
560 	list_add_tail(&tx_msg->head, &ipmi_device->tx_msg_list);  in acpi_ipmi_space_handler()
565 				   &tx_msg->addr,  in acpi_ipmi_space_handler()
566 				   tx_msg->tx_msgid,  in acpi_ipmi_space_handler()
567 				   &tx_msg->tx_message,  in acpi_ipmi_space_handler()
573 	wait_for_completion(&tx_msg->tx_complete);  in acpi_ipmi_space_handler()
575 	acpi_format_ipmi_response(tx_msg, value);  in acpi_ipmi_space_handler()
579 	ipmi_cancel_tx_msg(ipmi_device, tx_msg);  in acpi_ipmi_space_handler()
580 	acpi_ipmi_msg_put(tx_msg);  in acpi_ipmi_space_handler()