229 static void ipmi_msg_release(struct acpi_ipmi_msg *tx_msg)  in ipmi_msg_release()  argument
231 	acpi_ipmi_dev_put(tx_msg->device);  in ipmi_msg_release()
232 	kfree(tx_msg);  in ipmi_msg_release()
237 	struct acpi_ipmi_msg *tx_msg =  in ipmi_msg_release_kref()  local
240 	ipmi_msg_release(tx_msg);  in ipmi_msg_release_kref()
243 static struct acpi_ipmi_msg *acpi_ipmi_msg_get(struct acpi_ipmi_msg *tx_msg)  in acpi_ipmi_msg_get()  argument
245 	kref_get(&tx_msg->kref);  in acpi_ipmi_msg_get()
247 	return tx_msg;  in acpi_ipmi_msg_get()
250 static void acpi_ipmi_msg_put(struct acpi_ipmi_msg *tx_msg)  in acpi_ipmi_msg_put()  argument
252 	kref_put(&tx_msg->kref, ipmi_msg_release_kref);  in acpi_ipmi_msg_put()
257 static int acpi_format_ipmi_request(struct acpi_ipmi_msg *tx_msg,  in acpi_format_ipmi_request()  argument
266 	msg = &tx_msg->tx_message;  in acpi_format_ipmi_request()
274 	msg->data = tx_msg->data;  in acpi_format_ipmi_request()
284 		dev_WARN_ONCE(tx_msg->device->dev, true,  in acpi_format_ipmi_request()
290 	memcpy(tx_msg->data, buffer->data, msg->data_len);  in acpi_format_ipmi_request()
299 	tx_msg->addr.addr_type = IPMI_SYSTEM_INTERFACE_ADDR_TYPE;  in acpi_format_ipmi_request()
300 	tx_msg->addr.channel = IPMI_BMC_CHANNEL;  in acpi_format_ipmi_request()
301 	tx_msg->addr.data[0] = 0;  in acpi_format_ipmi_request()
304 	device = tx_msg->device;  in acpi_format_ipmi_request()
308 	tx_msg->tx_msgid = device->curr_msgid;  in acpi_format_ipmi_request()
343 	struct acpi_ipmi_msg *tx_msg;  in ipmi_flush_tx_msg()  local
356 		tx_msg = list_first_entry(&ipmi->tx_msg_list,  in ipmi_flush_tx_msg()
359 		list_del(&tx_msg->head);  in ipmi_flush_tx_msg()
363 		complete(&tx_msg->tx_complete);  in ipmi_flush_tx_msg()
364 		acpi_ipmi_msg_put(tx_msg);  in ipmi_flush_tx_msg()
373 	struct acpi_ipmi_msg *tx_msg, *temp;  in ipmi_cancel_tx_msg()  local
378 	list_for_each_entry_safe(tx_msg, temp, &ipmi->tx_msg_list, head) {  in ipmi_cancel_tx_msg()
379 		if (msg == tx_msg) {  in ipmi_cancel_tx_msg()
381 			list_del(&tx_msg->head);  in ipmi_cancel_tx_msg()
388 		acpi_ipmi_msg_put(tx_msg);  in ipmi_cancel_tx_msg()
395 	struct acpi_ipmi_msg *tx_msg, *temp;  in ipmi_msg_handler()  local
407 	list_for_each_entry_safe(tx_msg, temp, &ipmi_device->tx_msg_list, head) {  in ipmi_msg_handler()
408 		if (msg->msgid == tx_msg->tx_msgid) {  in ipmi_msg_handler()
410 			list_del(&tx_msg->head);  in ipmi_msg_handler()
438 			tx_msg->msg_done = ACPI_IPMI_TIMEOUT;  in ipmi_msg_handler()
443 	tx_msg->rx_len = msg->msg.data_len;  in ipmi_msg_handler()
444 	memcpy(tx_msg->data, msg->msg.data, tx_msg->rx_len);  in ipmi_msg_handler()
445 	tx_msg->msg_done = ACPI_IPMI_OK;  in ipmi_msg_handler()
448 	complete(&tx_msg->tx_complete);  in ipmi_msg_handler()
449 	acpi_ipmi_msg_put(tx_msg);  in ipmi_msg_handler()
545 	struct acpi_ipmi_msg *tx_msg;  in acpi_ipmi_space_handler()  local
560 	tx_msg = ipmi_msg_alloc();  in acpi_ipmi_space_handler()
561 	if (!tx_msg)  in acpi_ipmi_space_handler()
563 	ipmi_device = tx_msg->device;  in acpi_ipmi_space_handler()
565 	if (acpi_format_ipmi_request(tx_msg, address, value) != 0) {  in acpi_ipmi_space_handler()
566 		ipmi_msg_release(tx_msg);  in acpi_ipmi_space_handler()
570 	acpi_ipmi_msg_get(tx_msg);  in acpi_ipmi_space_handler()
575 		ipmi_msg_release(tx_msg);  in acpi_ipmi_space_handler()
579 	list_add_tail(&tx_msg->head, &ipmi_device->tx_msg_list);  in acpi_ipmi_space_handler()
584 				   &tx_msg->addr,  in acpi_ipmi_space_handler()
585 				   tx_msg->tx_msgid,  in acpi_ipmi_space_handler()
586 				   &tx_msg->tx_message,  in acpi_ipmi_space_handler()
592 	wait_for_completion(&tx_msg->tx_complete);  in acpi_ipmi_space_handler()
594 	acpi_format_ipmi_response(tx_msg, value);  in acpi_ipmi_space_handler()
598 	ipmi_cancel_tx_msg(ipmi_device, tx_msg);  in acpi_ipmi_space_handler()
599 	acpi_ipmi_msg_put(tx_msg);  in acpi_ipmi_space_handler()