272 ssize_t mei_cldev_send_vtag(struct mei_cl_device *cldev, const u8 *buf,  in mei_cldev_send_vtag()  argument
275 	struct mei_cl *cl = cldev->cl;  in mei_cldev_send_vtag()
295 ssize_t mei_cldev_send_vtag_timeout(struct mei_cl_device *cldev, const u8 *buf,  in mei_cldev_send_vtag_timeout()  argument
298 	struct mei_cl *cl = cldev->cl;  in mei_cldev_send_vtag_timeout()
317 ssize_t mei_cldev_recv_vtag(struct mei_cl_device *cldev, u8 *buf, size_t length,  in mei_cldev_recv_vtag()  argument
320 	struct mei_cl *cl = cldev->cl;  in mei_cldev_recv_vtag()
339 ssize_t mei_cldev_recv_nonblock_vtag(struct mei_cl_device *cldev, u8 *buf,  in mei_cldev_recv_nonblock_vtag()  argument
342 	struct mei_cl *cl = cldev->cl;  in mei_cldev_recv_nonblock_vtag()
360 ssize_t mei_cldev_recv_timeout(struct mei_cl_device *cldev, u8 *buf, size_t length,  in mei_cldev_recv_timeout()  argument
363 	return mei_cldev_recv_vtag_timeout(cldev, buf, length, NULL, timeout);  in mei_cldev_recv_timeout()
381 ssize_t mei_cldev_recv_vtag_timeout(struct mei_cl_device *cldev, u8 *buf, size_t length,  in mei_cldev_recv_vtag_timeout()  argument
384 	struct mei_cl *cl = cldev->cl;  in mei_cldev_recv_vtag_timeout()
401 ssize_t mei_cldev_send(struct mei_cl_device *cldev, const u8 *buf, size_t length)  in mei_cldev_send()  argument
403 	return mei_cldev_send_vtag(cldev, buf, length, 0);  in mei_cldev_send()
419 ssize_t mei_cldev_send_timeout(struct mei_cl_device *cldev, const u8 *buf, size_t length,  in mei_cldev_send_timeout()  argument
422 	return mei_cldev_send_vtag_timeout(cldev, buf, length, 0, timeout);  in mei_cldev_send_timeout()
435 ssize_t mei_cldev_recv(struct mei_cl_device *cldev, u8 *buf, size_t length)  in mei_cldev_recv()  argument
437 	return mei_cldev_recv_vtag(cldev, buf, length, NULL);  in mei_cldev_recv()
451 ssize_t mei_cldev_recv_nonblock(struct mei_cl_device *cldev, u8 *buf,  in mei_cldev_recv_nonblock()  argument
454 	return mei_cldev_recv_nonblock_vtag(cldev, buf, length, NULL);  in mei_cldev_recv_nonblock()
465 	struct mei_cl_device *cldev;  in mei_cl_bus_rx_work()  local
468 	cldev = container_of(work, struct mei_cl_device, rx_work);  in mei_cl_bus_rx_work()
470 	bus = cldev->bus;  in mei_cl_bus_rx_work()
472 	if (cldev->rx_cb)  in mei_cl_bus_rx_work()
473 		cldev->rx_cb(cldev);  in mei_cl_bus_rx_work()
476 	if (mei_cl_is_connected(cldev->cl))  in mei_cl_bus_rx_work()
477 		mei_cl_read_start(cldev->cl, mei_cl_mtu(cldev->cl), NULL);  in mei_cl_bus_rx_work()
488 	struct mei_cl_device *cldev;  in mei_cl_bus_notif_work()  local
490 	cldev = container_of(work, struct mei_cl_device, notif_work);  in mei_cl_bus_notif_work()
492 	if (cldev->notif_cb)  in mei_cl_bus_notif_work()
493 		cldev->notif_cb(cldev);  in mei_cl_bus_notif_work()
506 	struct mei_cl_device *cldev = cl->cldev;  in mei_cl_bus_notify_event()  local
508 	if (!cldev || !cldev->notif_cb)  in mei_cl_bus_notify_event()
514 	schedule_work(&cldev->notif_work);  in mei_cl_bus_notify_event()
531 	struct mei_cl_device *cldev = cl->cldev;  in mei_cl_bus_rx_event()  local
533 	if (!cldev || !cldev->rx_cb)  in mei_cl_bus_rx_event()
536 	schedule_work(&cldev->rx_work);  in mei_cl_bus_rx_event()
551 int mei_cldev_register_rx_cb(struct mei_cl_device *cldev, mei_cldev_cb_t rx_cb)  in mei_cldev_register_rx_cb()  argument
553 	struct mei_device *bus = cldev->bus;  in mei_cldev_register_rx_cb()
558 	if (cldev->rx_cb)  in mei_cldev_register_rx_cb()
561 	cldev->rx_cb = rx_cb;  in mei_cldev_register_rx_cb()
562 	INIT_WORK(&cldev->rx_work, mei_cl_bus_rx_work);  in mei_cldev_register_rx_cb()
565 	if (mei_cl_is_connected(cldev->cl))  in mei_cldev_register_rx_cb()
566 		ret = mei_cl_read_start(cldev->cl, mei_cl_mtu(cldev->cl), NULL);  in mei_cldev_register_rx_cb()
571 		cancel_work_sync(&cldev->rx_work);  in mei_cldev_register_rx_cb()
572 		cldev->rx_cb = NULL;  in mei_cldev_register_rx_cb()
590 int mei_cldev_register_notif_cb(struct mei_cl_device *cldev,  in mei_cldev_register_notif_cb()  argument
593 	struct mei_device *bus = cldev->bus;  in mei_cldev_register_notif_cb()
599 	if (cldev->notif_cb)  in mei_cldev_register_notif_cb()
602 	cldev->notif_cb = notif_cb;  in mei_cldev_register_notif_cb()
603 	INIT_WORK(&cldev->notif_work, mei_cl_bus_notif_work);  in mei_cldev_register_notif_cb()
606 	ret = mei_cl_notify_request(cldev->cl, NULL, 1);  in mei_cldev_register_notif_cb()
609 		cancel_work_sync(&cldev->notif_work);  in mei_cldev_register_notif_cb()
610 		cldev->notif_cb = NULL;  in mei_cldev_register_notif_cb()
625 void *mei_cldev_get_drvdata(const struct mei_cl_device *cldev)  in mei_cldev_get_drvdata()  argument
627 	return dev_get_drvdata(&cldev->dev);  in mei_cldev_get_drvdata()
637 void mei_cldev_set_drvdata(struct mei_cl_device *cldev, void *data)  in mei_cldev_set_drvdata()  argument
639 	dev_set_drvdata(&cldev->dev, data);  in mei_cldev_set_drvdata()
650 const uuid_le *mei_cldev_uuid(const struct mei_cl_device *cldev)  in mei_cldev_uuid()  argument
652 	return mei_me_cl_uuid(cldev->me_cl);  in mei_cldev_uuid()
663 u8 mei_cldev_ver(const struct mei_cl_device *cldev)  in mei_cldev_ver()  argument
665 	return mei_me_cl_ver(cldev->me_cl);  in mei_cldev_ver()
676 bool mei_cldev_enabled(const struct mei_cl_device *cldev)  in mei_cldev_enabled()  argument
678 	return mei_cl_is_connected(cldev->cl);  in mei_cldev_enabled()
690 static bool mei_cl_bus_module_get(struct mei_cl_device *cldev)  in mei_cl_bus_module_get()  argument
692 	return try_module_get(cldev->bus->dev->driver->owner);  in mei_cl_bus_module_get()
700 static void mei_cl_bus_module_put(struct mei_cl_device *cldev)  in mei_cl_bus_module_put()  argument
702 	module_put(cldev->bus->dev->driver->owner);  in mei_cl_bus_module_put()
728 static int mei_cl_bus_vtag_alloc(struct mei_cl_device *cldev)  in mei_cl_bus_vtag_alloc()  argument
730 	struct mei_cl *cl = cldev->cl;  in mei_cl_bus_vtag_alloc()
754 static void mei_cl_bus_vtag_free(struct mei_cl_device *cldev)  in mei_cl_bus_vtag_free()  argument
756 	struct mei_cl *cl = cldev->cl;  in mei_cl_bus_vtag_free()
767 void *mei_cldev_dma_map(struct mei_cl_device *cldev, u8 buffer_id, size_t size)  in mei_cldev_dma_map()  argument
773 	if (!cldev || !buffer_id || !size)  in mei_cldev_dma_map()
777 		dev_err(&cldev->dev, "Map size should be aligned to %lu\n",  in mei_cldev_dma_map()
782 	cl = cldev->cl;  in mei_cldev_dma_map()
783 	bus = cldev->bus;  in mei_cldev_dma_map()
791 		cl->cldev = cldev;  in mei_cldev_dma_map()
805 int mei_cldev_dma_unmap(struct mei_cl_device *cldev)  in mei_cldev_dma_unmap()  argument
811 	if (!cldev)  in mei_cldev_dma_unmap()
814 	cl = cldev->cl;  in mei_cldev_dma_unmap()
815 	bus = cldev->bus;  in mei_cldev_dma_unmap()
835 int mei_cldev_enable(struct mei_cl_device *cldev)  in mei_cldev_enable()  argument
837 	struct mei_device *bus = cldev->bus;  in mei_cldev_enable()
841 	cl = cldev->cl;  in mei_cldev_enable()
849 		cl->cldev = cldev;  in mei_cldev_enable()
857 	if (!mei_me_cl_is_active(cldev->me_cl)) {  in mei_cldev_enable()
858 		dev_err(&cldev->dev, "me client is not active\n");  in mei_cldev_enable()
863 	ret = mei_cl_bus_vtag_alloc(cldev);  in mei_cldev_enable()
867 	ret = mei_cl_connect(cl, cldev->me_cl, NULL);  in mei_cldev_enable()
869 		dev_err(&cldev->dev, "cannot connect\n");  in mei_cldev_enable()
870 		mei_cl_bus_vtag_free(cldev);  in mei_cldev_enable()
889 static void mei_cldev_unregister_callbacks(struct mei_cl_device *cldev)  in mei_cldev_unregister_callbacks()  argument
891 	if (cldev->rx_cb) {  in mei_cldev_unregister_callbacks()
892 		cancel_work_sync(&cldev->rx_work);  in mei_cldev_unregister_callbacks()
893 		cldev->rx_cb = NULL;  in mei_cldev_unregister_callbacks()
896 	if (cldev->notif_cb) {  in mei_cldev_unregister_callbacks()
897 		cancel_work_sync(&cldev->notif_work);  in mei_cldev_unregister_callbacks()
898 		cldev->notif_cb = NULL;  in mei_cldev_unregister_callbacks()
910 int mei_cldev_disable(struct mei_cl_device *cldev)  in mei_cldev_disable()  argument
916 	if (!cldev)  in mei_cldev_disable()
919 	cl = cldev->cl;  in mei_cldev_disable()
921 	bus = cldev->bus;  in mei_cldev_disable()
923 	mei_cldev_unregister_callbacks(cldev);  in mei_cldev_disable()
927 	mei_cl_bus_vtag_free(cldev);  in mei_cldev_disable()
966 ssize_t mei_cldev_send_gsc_command(struct mei_cl_device *cldev,  in mei_cldev_send_gsc_command()  argument
984 	if (!cldev || !sg_in || !sg_out)  in mei_cldev_send_gsc_command()
987 	cl = cldev->cl;  in mei_cldev_send_gsc_command()
988 	bus = cldev->bus;  in mei_cldev_send_gsc_command()
1085 struct mei_cl_device_id *mei_cl_device_find(const struct mei_cl_device *cldev,  in mei_cl_device_find()  argument
1093 	uuid = mei_me_cl_uuid(cldev->me_cl);  in mei_cl_device_find()
1094 	version = mei_me_cl_ver(cldev->me_cl);  in mei_cl_device_find()
1101 			if (cldev->name[0])  in mei_cl_device_find()
1102 				if (strncmp(cldev->name, id->name,  in mei_cl_device_find()
1129 	const struct mei_cl_device *cldev = to_mei_cl_device(dev);  in mei_cl_device_match()  local
1133 	if (!cldev->do_match)  in mei_cl_device_match()
1139 	found_id = mei_cl_device_find(cldev, cldrv);  in mei_cl_device_match()
1155 	struct mei_cl_device *cldev;  in mei_cl_device_probe()  local
1160 	cldev = to_mei_cl_device(dev);  in mei_cl_device_probe()
1166 	id = mei_cl_device_find(cldev, cldrv);  in mei_cl_device_probe()
1170 	if (!mei_cl_bus_module_get(cldev)) {  in mei_cl_device_probe()
1171 		dev_err(&cldev->dev, "get hw module failed");  in mei_cl_device_probe()
1175 	ret = cldrv->probe(cldev, id);  in mei_cl_device_probe()
1177 		mei_cl_bus_module_put(cldev);  in mei_cl_device_probe()
1194 	struct mei_cl_device *cldev = to_mei_cl_device(dev);  in mei_cl_device_remove()  local
1198 		cldrv->remove(cldev);  in mei_cl_device_remove()
1200 	mei_cldev_unregister_callbacks(cldev);  in mei_cl_device_remove()
1202 	mei_cl_bus_module_put(cldev);  in mei_cl_device_remove()
1209 	struct mei_cl_device *cldev = to_mei_cl_device(dev);  in name_show()  local
1211 	return scnprintf(buf, PAGE_SIZE, "%s", cldev->name);  in name_show()
1218 	struct mei_cl_device *cldev = to_mei_cl_device(dev);  in uuid_show()  local
1219 	const uuid_le *uuid = mei_me_cl_uuid(cldev->me_cl);  in uuid_show()
1228 	struct mei_cl_device *cldev = to_mei_cl_device(dev);  in version_show()  local
1229 	u8 version = mei_me_cl_ver(cldev->me_cl);  in version_show()
1238 	struct mei_cl_device *cldev = to_mei_cl_device(dev);  in modalias_show()  local
1239 	const uuid_le *uuid = mei_me_cl_uuid(cldev->me_cl);  in modalias_show()
1240 	u8 version = mei_me_cl_ver(cldev->me_cl);  in modalias_show()
1243 			 cldev->name, uuid, version);  in modalias_show()
1250 	struct mei_cl_device *cldev = to_mei_cl_device(dev);  in max_conn_show()  local
1251 	u8 maxconn = mei_me_cl_max_conn(cldev->me_cl);  in max_conn_show()
1260 	struct mei_cl_device *cldev = to_mei_cl_device(dev);  in fixed_show()  local
1261 	u8 fixed = mei_me_cl_fixed(cldev->me_cl);  in fixed_show()
1270 	struct mei_cl_device *cldev = to_mei_cl_device(dev);  in vtag_show()  local
1271 	bool vt = mei_me_cl_vt(cldev->me_cl);  in vtag_show()
1280 	struct mei_cl_device *cldev = to_mei_cl_device(dev);  in max_len_show()  local
1281 	u32 maxlen = mei_me_cl_max_len(cldev->me_cl);  in max_len_show()
1310 	const struct mei_cl_device *cldev = to_mei_cl_device(dev);  in mei_cl_device_uevent()  local
1311 	const uuid_le *uuid = mei_me_cl_uuid(cldev->me_cl);  in mei_cl_device_uevent()
1312 	u8 version = mei_me_cl_ver(cldev->me_cl);  in mei_cl_device_uevent()
1320 	if (add_uevent_var(env, "MEI_CL_NAME=%s", cldev->name))  in mei_cl_device_uevent()
1324 			   cldev->name, uuid, version))  in mei_cl_device_uevent()
1355 	struct mei_cl_device *cldev = to_mei_cl_device(dev);  in mei_cl_bus_dev_release()  local
1357 	mei_cl_flush_queues(cldev->cl, NULL);  in mei_cl_bus_dev_release()
1358 	mei_me_cl_put(cldev->me_cl);  in mei_cl_bus_dev_release()
1359 	mei_dev_bus_put(cldev->bus);  in mei_cl_bus_dev_release()
1360 	kfree(cldev->cl);  in mei_cl_bus_dev_release()
1361 	kfree(cldev);  in mei_cl_bus_dev_release()
1375 static inline void mei_cl_bus_set_name(struct mei_cl_device *cldev)  in mei_cl_bus_set_name()  argument
1377 	dev_set_name(&cldev->dev, "%s-%pUl",  in mei_cl_bus_set_name()
1378 		     dev_name(cldev->bus->dev),  in mei_cl_bus_set_name()
1379 		     mei_me_cl_uuid(cldev->me_cl));  in mei_cl_bus_set_name()
1393 	struct mei_cl_device *cldev;  in mei_cl_bus_dev_alloc()  local
1396 	cldev = kzalloc(sizeof(*cldev), GFP_KERNEL);  in mei_cl_bus_dev_alloc()
1397 	if (!cldev)  in mei_cl_bus_dev_alloc()
1402 		kfree(cldev);  in mei_cl_bus_dev_alloc()
1406 	device_initialize(&cldev->dev);  in mei_cl_bus_dev_alloc()
1407 	cldev->dev.parent = bus->dev;  in mei_cl_bus_dev_alloc()
1408 	cldev->dev.bus    = &mei_cl_bus_type;  in mei_cl_bus_dev_alloc()
1409 	cldev->dev.type   = &mei_cl_device_type;  in mei_cl_bus_dev_alloc()
1410 	cldev->bus        = mei_dev_bus_get(bus);  in mei_cl_bus_dev_alloc()
1411 	cldev->me_cl      = mei_me_cl_get(me_cl);  in mei_cl_bus_dev_alloc()
1412 	cldev->cl         = cl;  in mei_cl_bus_dev_alloc()
1413 	mei_cl_bus_set_name(cldev);  in mei_cl_bus_dev_alloc()
1414 	cldev->is_added   = 0;  in mei_cl_bus_dev_alloc()
1415 	INIT_LIST_HEAD(&cldev->bus_list);  in mei_cl_bus_dev_alloc()
1416 	device_enable_async_suspend(&cldev->dev);  in mei_cl_bus_dev_alloc()
1418 	return cldev;  in mei_cl_bus_dev_alloc()
1431 				 struct mei_cl_device *cldev)  in mei_cl_bus_dev_setup()  argument
1433 	cldev->do_match = 1;  in mei_cl_bus_dev_setup()
1434 	mei_cl_bus_dev_fixup(cldev);  in mei_cl_bus_dev_setup()
1437 	if (cldev->do_match)  in mei_cl_bus_dev_setup()
1438 		mei_cl_bus_set_name(cldev);  in mei_cl_bus_dev_setup()
1440 	return cldev->do_match == 1;  in mei_cl_bus_dev_setup()
1450 static int mei_cl_bus_dev_add(struct mei_cl_device *cldev)  in mei_cl_bus_dev_add()  argument
1454 	dev_dbg(cldev->bus->dev, "adding %pUL:%02X\n",  in mei_cl_bus_dev_add()
1455 		mei_me_cl_uuid(cldev->me_cl),  in mei_cl_bus_dev_add()
1456 		mei_me_cl_ver(cldev->me_cl));  in mei_cl_bus_dev_add()
1457 	ret = device_add(&cldev->dev);  in mei_cl_bus_dev_add()
1459 		cldev->is_added = 1;  in mei_cl_bus_dev_add()
1469 static void mei_cl_bus_dev_stop(struct mei_cl_device *cldev)  in mei_cl_bus_dev_stop()  argument
1471 	cldev->do_match = 0;  in mei_cl_bus_dev_stop()
1472 	if (cldev->is_added)  in mei_cl_bus_dev_stop()
1473 		device_release_driver(&cldev->dev);  in mei_cl_bus_dev_stop()
1483 static void mei_cl_bus_dev_destroy(struct mei_cl_device *cldev)  in mei_cl_bus_dev_destroy()  argument
1486 	WARN_ON(!mutex_is_locked(&cldev->bus->cl_bus_lock));  in mei_cl_bus_dev_destroy()
1488 	if (!cldev->is_added)  in mei_cl_bus_dev_destroy()
1491 	device_del(&cldev->dev);  in mei_cl_bus_dev_destroy()
1493 	list_del_init(&cldev->bus_list);  in mei_cl_bus_dev_destroy()
1495 	cldev->is_added = 0;  in mei_cl_bus_dev_destroy()
1496 	put_device(&cldev->dev);  in mei_cl_bus_dev_destroy()
1504 static void mei_cl_bus_remove_device(struct mei_cl_device *cldev)  in mei_cl_bus_remove_device()  argument
1506 	mei_cl_bus_dev_stop(cldev);  in mei_cl_bus_remove_device()
1507 	mei_cl_bus_dev_destroy(cldev);  in mei_cl_bus_remove_device()
1517 	struct mei_cl_device *cldev, *next;  in mei_cl_bus_remove_devices()  local
1520 	list_for_each_entry_safe(cldev, next, &bus->device_list, bus_list)  in mei_cl_bus_remove_devices()
1521 		mei_cl_bus_remove_device(cldev);  in mei_cl_bus_remove_devices()
1538 	struct mei_cl_device *cldev;  in mei_cl_bus_dev_init()  local
1547 	cldev = mei_cl_bus_dev_alloc(bus, me_cl);  in mei_cl_bus_dev_init()
1548 	if (!cldev)  in mei_cl_bus_dev_init()
1552 	list_add_tail(&cldev->bus_list, &bus->device_list);  in mei_cl_bus_dev_init()
1564 	struct mei_cl_device *cldev, *n;  in mei_cl_bus_rescan()  local
1574 	list_for_each_entry_safe(cldev, n, &bus->device_list, bus_list) {  in mei_cl_bus_rescan()
1576 		if (!mei_me_cl_is_active(cldev->me_cl)) {  in mei_cl_bus_rescan()
1577 			mei_cl_bus_remove_device(cldev);  in mei_cl_bus_rescan()
1581 		if (cldev->is_added)  in mei_cl_bus_rescan()
1584 		if (mei_cl_bus_dev_setup(bus, cldev))  in mei_cl_bus_rescan()
1585 			mei_cl_bus_dev_add(cldev);  in mei_cl_bus_rescan()
1587 			list_del_init(&cldev->bus_list);  in mei_cl_bus_rescan()
1588 			put_device(&cldev->dev);  in mei_cl_bus_rescan()