235 ssize_t mei_cldev_send_vtag(struct mei_cl_device *cldev, const u8 *buf,  in mei_cldev_send_vtag()  argument
238 	struct mei_cl *cl = cldev->cl;  in mei_cldev_send_vtag()
257 ssize_t mei_cldev_recv_vtag(struct mei_cl_device *cldev, u8 *buf, size_t length,  in mei_cldev_recv_vtag()  argument
260 	struct mei_cl *cl = cldev->cl;  in mei_cldev_recv_vtag()
279 ssize_t mei_cldev_recv_nonblock_vtag(struct mei_cl_device *cldev, u8 *buf,  in mei_cldev_recv_nonblock_vtag()  argument
282 	struct mei_cl *cl = cldev->cl;  in mei_cldev_recv_nonblock_vtag()
299 ssize_t mei_cldev_send(struct mei_cl_device *cldev, const u8 *buf, size_t length)  in mei_cldev_send()  argument
301 	return mei_cldev_send_vtag(cldev, buf, length, 0);  in mei_cldev_send()
314 ssize_t mei_cldev_recv(struct mei_cl_device *cldev, u8 *buf, size_t length)  in mei_cldev_recv()  argument
316 	return mei_cldev_recv_vtag(cldev, buf, length, NULL);  in mei_cldev_recv()
330 ssize_t mei_cldev_recv_nonblock(struct mei_cl_device *cldev, u8 *buf,  in mei_cldev_recv_nonblock()  argument
333 	return mei_cldev_recv_nonblock_vtag(cldev, buf, length, NULL);  in mei_cldev_recv_nonblock()
344 	struct mei_cl_device *cldev;  in mei_cl_bus_rx_work()  local
347 	cldev = container_of(work, struct mei_cl_device, rx_work);  in mei_cl_bus_rx_work()
349 	bus = cldev->bus;  in mei_cl_bus_rx_work()
351 	if (cldev->rx_cb)  in mei_cl_bus_rx_work()
352 		cldev->rx_cb(cldev);  in mei_cl_bus_rx_work()
355 	if (mei_cl_is_connected(cldev->cl))  in mei_cl_bus_rx_work()
356 		mei_cl_read_start(cldev->cl, mei_cl_mtu(cldev->cl), NULL);  in mei_cl_bus_rx_work()
367 	struct mei_cl_device *cldev;  in mei_cl_bus_notif_work()  local
369 	cldev = container_of(work, struct mei_cl_device, notif_work);  in mei_cl_bus_notif_work()
371 	if (cldev->notif_cb)  in mei_cl_bus_notif_work()
372 		cldev->notif_cb(cldev);  in mei_cl_bus_notif_work()
385 	struct mei_cl_device *cldev = cl->cldev;  in mei_cl_bus_notify_event()  local
387 	if (!cldev || !cldev->notif_cb)  in mei_cl_bus_notify_event()
393 	schedule_work(&cldev->notif_work);  in mei_cl_bus_notify_event()
410 	struct mei_cl_device *cldev = cl->cldev;  in mei_cl_bus_rx_event()  local
412 	if (!cldev || !cldev->rx_cb)  in mei_cl_bus_rx_event()
415 	schedule_work(&cldev->rx_work);  in mei_cl_bus_rx_event()
430 int mei_cldev_register_rx_cb(struct mei_cl_device *cldev, mei_cldev_cb_t rx_cb)  in mei_cldev_register_rx_cb()  argument
432 	struct mei_device *bus = cldev->bus;  in mei_cldev_register_rx_cb()
437 	if (cldev->rx_cb)  in mei_cldev_register_rx_cb()
440 	cldev->rx_cb = rx_cb;  in mei_cldev_register_rx_cb()
441 	INIT_WORK(&cldev->rx_work, mei_cl_bus_rx_work);  in mei_cldev_register_rx_cb()
444 	if (mei_cl_is_connected(cldev->cl))  in mei_cldev_register_rx_cb()
445 		ret = mei_cl_read_start(cldev->cl, mei_cl_mtu(cldev->cl), NULL);  in mei_cldev_register_rx_cb()
450 		cancel_work_sync(&cldev->rx_work);  in mei_cldev_register_rx_cb()
451 		cldev->rx_cb = NULL;  in mei_cldev_register_rx_cb()
469 int mei_cldev_register_notif_cb(struct mei_cl_device *cldev,  in mei_cldev_register_notif_cb()  argument
472 	struct mei_device *bus = cldev->bus;  in mei_cldev_register_notif_cb()
478 	if (cldev->notif_cb)  in mei_cldev_register_notif_cb()
481 	cldev->notif_cb = notif_cb;  in mei_cldev_register_notif_cb()
482 	INIT_WORK(&cldev->notif_work, mei_cl_bus_notif_work);  in mei_cldev_register_notif_cb()
485 	ret = mei_cl_notify_request(cldev->cl, NULL, 1);  in mei_cldev_register_notif_cb()
488 		cancel_work_sync(&cldev->notif_work);  in mei_cldev_register_notif_cb()
489 		cldev->notif_cb = NULL;  in mei_cldev_register_notif_cb()
504 void *mei_cldev_get_drvdata(const struct mei_cl_device *cldev)  in mei_cldev_get_drvdata()  argument
506 	return dev_get_drvdata(&cldev->dev);  in mei_cldev_get_drvdata()
516 void mei_cldev_set_drvdata(struct mei_cl_device *cldev, void *data)  in mei_cldev_set_drvdata()  argument
518 	dev_set_drvdata(&cldev->dev, data);  in mei_cldev_set_drvdata()
529 const uuid_le *mei_cldev_uuid(const struct mei_cl_device *cldev)  in mei_cldev_uuid()  argument
531 	return mei_me_cl_uuid(cldev->me_cl);  in mei_cldev_uuid()
542 u8 mei_cldev_ver(const struct mei_cl_device *cldev)  in mei_cldev_ver()  argument
544 	return mei_me_cl_ver(cldev->me_cl);  in mei_cldev_ver()
555 bool mei_cldev_enabled(const struct mei_cl_device *cldev)  in mei_cldev_enabled()  argument
557 	return mei_cl_is_connected(cldev->cl);  in mei_cldev_enabled()
569 static bool mei_cl_bus_module_get(struct mei_cl_device *cldev)  in mei_cl_bus_module_get()  argument
571 	return try_module_get(cldev->bus->dev->driver->owner);  in mei_cl_bus_module_get()
579 static void mei_cl_bus_module_put(struct mei_cl_device *cldev)  in mei_cl_bus_module_put()  argument
581 	module_put(cldev->bus->dev->driver->owner);  in mei_cl_bus_module_put()
607 static int mei_cl_bus_vtag_alloc(struct mei_cl_device *cldev)  in mei_cl_bus_vtag_alloc()  argument
609 	struct mei_cl *cl = cldev->cl;  in mei_cl_bus_vtag_alloc()
633 static void mei_cl_bus_vtag_free(struct mei_cl_device *cldev)  in mei_cl_bus_vtag_free()  argument
635 	struct mei_cl *cl = cldev->cl;  in mei_cl_bus_vtag_free()
646 void *mei_cldev_dma_map(struct mei_cl_device *cldev, u8 buffer_id, size_t size)  in mei_cldev_dma_map()  argument
652 	if (!cldev || !buffer_id || !size)  in mei_cldev_dma_map()
656 		dev_err(&cldev->dev, "Map size should be aligned to %lu\n",  in mei_cldev_dma_map()
661 	cl = cldev->cl;  in mei_cldev_dma_map()
662 	bus = cldev->bus;  in mei_cldev_dma_map()
670 		cl->cldev = cldev;  in mei_cldev_dma_map()
682 int mei_cldev_dma_unmap(struct mei_cl_device *cldev)  in mei_cldev_dma_unmap()  argument
688 	if (!cldev)  in mei_cldev_dma_unmap()
691 	cl = cldev->cl;  in mei_cldev_dma_unmap()
692 	bus = cldev->bus;  in mei_cldev_dma_unmap()
712 int mei_cldev_enable(struct mei_cl_device *cldev)  in mei_cldev_enable()  argument
714 	struct mei_device *bus = cldev->bus;  in mei_cldev_enable()
718 	cl = cldev->cl;  in mei_cldev_enable()
726 		cl->cldev = cldev;  in mei_cldev_enable()
734 	if (!mei_me_cl_is_active(cldev->me_cl)) {  in mei_cldev_enable()
735 		dev_err(&cldev->dev, "me client is not active\n");  in mei_cldev_enable()
740 	ret = mei_cl_bus_vtag_alloc(cldev);  in mei_cldev_enable()
744 	ret = mei_cl_connect(cl, cldev->me_cl, NULL);  in mei_cldev_enable()
746 		dev_err(&cldev->dev, "cannot connect\n");  in mei_cldev_enable()
747 		mei_cl_bus_vtag_free(cldev);  in mei_cldev_enable()
763 static void mei_cldev_unregister_callbacks(struct mei_cl_device *cldev)  in mei_cldev_unregister_callbacks()  argument
765 	if (cldev->rx_cb) {  in mei_cldev_unregister_callbacks()
766 		cancel_work_sync(&cldev->rx_work);  in mei_cldev_unregister_callbacks()
767 		cldev->rx_cb = NULL;  in mei_cldev_unregister_callbacks()
770 	if (cldev->notif_cb) {  in mei_cldev_unregister_callbacks()
771 		cancel_work_sync(&cldev->notif_work);  in mei_cldev_unregister_callbacks()
772 		cldev->notif_cb = NULL;  in mei_cldev_unregister_callbacks()
784 int mei_cldev_disable(struct mei_cl_device *cldev)  in mei_cldev_disable()  argument
790 	if (!cldev)  in mei_cldev_disable()
793 	cl = cldev->cl;  in mei_cldev_disable()
795 	bus = cldev->bus;  in mei_cldev_disable()
797 	mei_cldev_unregister_callbacks(cldev);  in mei_cldev_disable()
801 	mei_cl_bus_vtag_free(cldev);  in mei_cldev_disable()
834 struct mei_cl_device_id *mei_cl_device_find(const struct mei_cl_device *cldev,  in mei_cl_device_find()  argument
842 	uuid = mei_me_cl_uuid(cldev->me_cl);  in mei_cl_device_find()
843 	version = mei_me_cl_ver(cldev->me_cl);  in mei_cl_device_find()
850 			if (cldev->name[0])  in mei_cl_device_find()
851 				if (strncmp(cldev->name, id->name,  in mei_cl_device_find()
878 	const struct mei_cl_device *cldev = to_mei_cl_device(dev);  in mei_cl_device_match()  local
882 	if (!cldev)  in mei_cl_device_match()
885 	if (!cldev->do_match)  in mei_cl_device_match()
891 	found_id = mei_cl_device_find(cldev, cldrv);  in mei_cl_device_match()
907 	struct mei_cl_device *cldev;  in mei_cl_device_probe()  local
912 	cldev = to_mei_cl_device(dev);  in mei_cl_device_probe()
915 	if (!cldev)  in mei_cl_device_probe()
921 	id = mei_cl_device_find(cldev, cldrv);  in mei_cl_device_probe()
925 	if (!mei_cl_bus_module_get(cldev)) {  in mei_cl_device_probe()
926 		dev_err(&cldev->dev, "get hw module failed");  in mei_cl_device_probe()
930 	ret = cldrv->probe(cldev, id);  in mei_cl_device_probe()
932 		mei_cl_bus_module_put(cldev);  in mei_cl_device_probe()
949 	struct mei_cl_device *cldev = to_mei_cl_device(dev);  in mei_cl_device_remove()  local
953 		cldrv->remove(cldev);  in mei_cl_device_remove()
955 	mei_cldev_unregister_callbacks(cldev);  in mei_cl_device_remove()
957 	mei_cl_bus_module_put(cldev);  in mei_cl_device_remove()
964 	struct mei_cl_device *cldev = to_mei_cl_device(dev);  in name_show()  local
966 	return scnprintf(buf, PAGE_SIZE, "%s", cldev->name);  in name_show()
973 	struct mei_cl_device *cldev = to_mei_cl_device(dev);  in uuid_show()  local
974 	const uuid_le *uuid = mei_me_cl_uuid(cldev->me_cl);  in uuid_show()
983 	struct mei_cl_device *cldev = to_mei_cl_device(dev);  in version_show()  local
984 	u8 version = mei_me_cl_ver(cldev->me_cl);  in version_show()
993 	struct mei_cl_device *cldev = to_mei_cl_device(dev);  in modalias_show()  local
994 	const uuid_le *uuid = mei_me_cl_uuid(cldev->me_cl);  in modalias_show()
995 	u8 version = mei_me_cl_ver(cldev->me_cl);  in modalias_show()
998 			 cldev->name, uuid, version);  in modalias_show()
1005 	struct mei_cl_device *cldev = to_mei_cl_device(dev);  in max_conn_show()  local
1006 	u8 maxconn = mei_me_cl_max_conn(cldev->me_cl);  in max_conn_show()
1015 	struct mei_cl_device *cldev = to_mei_cl_device(dev);  in fixed_show()  local
1016 	u8 fixed = mei_me_cl_fixed(cldev->me_cl);  in fixed_show()
1025 	struct mei_cl_device *cldev = to_mei_cl_device(dev);  in vtag_show()  local
1026 	bool vt = mei_me_cl_vt(cldev->me_cl);  in vtag_show()
1035 	struct mei_cl_device *cldev = to_mei_cl_device(dev);  in max_len_show()  local
1036 	u32 maxlen = mei_me_cl_max_len(cldev->me_cl);  in max_len_show()
1065 	struct mei_cl_device *cldev = to_mei_cl_device(dev);  in mei_cl_device_uevent()  local
1066 	const uuid_le *uuid = mei_me_cl_uuid(cldev->me_cl);  in mei_cl_device_uevent()
1067 	u8 version = mei_me_cl_ver(cldev->me_cl);  in mei_cl_device_uevent()
1075 	if (add_uevent_var(env, "MEI_CL_NAME=%s", cldev->name))  in mei_cl_device_uevent()
1079 			   cldev->name, uuid, version))  in mei_cl_device_uevent()
1110 	struct mei_cl_device *cldev = to_mei_cl_device(dev);  in mei_cl_bus_dev_release()  local
1112 	if (!cldev)  in mei_cl_bus_dev_release()
1115 	mei_cl_flush_queues(cldev->cl, NULL);  in mei_cl_bus_dev_release()
1116 	mei_me_cl_put(cldev->me_cl);  in mei_cl_bus_dev_release()
1117 	mei_dev_bus_put(cldev->bus);  in mei_cl_bus_dev_release()
1118 	mei_cl_unlink(cldev->cl);  in mei_cl_bus_dev_release()
1119 	kfree(cldev->cl);  in mei_cl_bus_dev_release()
1120 	kfree(cldev);  in mei_cl_bus_dev_release()
1134 static inline void mei_cl_bus_set_name(struct mei_cl_device *cldev)  in mei_cl_bus_set_name()  argument
1136 	dev_set_name(&cldev->dev, "%s-%pUl",  in mei_cl_bus_set_name()
1137 		     dev_name(cldev->bus->dev),  in mei_cl_bus_set_name()
1138 		     mei_me_cl_uuid(cldev->me_cl));  in mei_cl_bus_set_name()
1152 	struct mei_cl_device *cldev;  in mei_cl_bus_dev_alloc()  local
1155 	cldev = kzalloc(sizeof(*cldev), GFP_KERNEL);  in mei_cl_bus_dev_alloc()
1156 	if (!cldev)  in mei_cl_bus_dev_alloc()
1161 		kfree(cldev);  in mei_cl_bus_dev_alloc()
1165 	device_initialize(&cldev->dev);  in mei_cl_bus_dev_alloc()
1166 	cldev->dev.parent = bus->dev;  in mei_cl_bus_dev_alloc()
1167 	cldev->dev.bus    = &mei_cl_bus_type;  in mei_cl_bus_dev_alloc()
1168 	cldev->dev.type   = &mei_cl_device_type;  in mei_cl_bus_dev_alloc()
1169 	cldev->bus        = mei_dev_bus_get(bus);  in mei_cl_bus_dev_alloc()
1170 	cldev->me_cl      = mei_me_cl_get(me_cl);  in mei_cl_bus_dev_alloc()
1171 	cldev->cl         = cl;  in mei_cl_bus_dev_alloc()
1172 	mei_cl_bus_set_name(cldev);  in mei_cl_bus_dev_alloc()
1173 	cldev->is_added   = 0;  in mei_cl_bus_dev_alloc()
1174 	INIT_LIST_HEAD(&cldev->bus_list);  in mei_cl_bus_dev_alloc()
1176 	return cldev;  in mei_cl_bus_dev_alloc()
1189 				 struct mei_cl_device *cldev)  in mei_cl_bus_dev_setup()  argument
1191 	cldev->do_match = 1;  in mei_cl_bus_dev_setup()
1192 	mei_cl_bus_dev_fixup(cldev);  in mei_cl_bus_dev_setup()
1195 	if (cldev->do_match)  in mei_cl_bus_dev_setup()
1196 		mei_cl_bus_set_name(cldev);  in mei_cl_bus_dev_setup()
1198 	return cldev->do_match == 1;  in mei_cl_bus_dev_setup()
1208 static int mei_cl_bus_dev_add(struct mei_cl_device *cldev)  in mei_cl_bus_dev_add()  argument
1212 	dev_dbg(cldev->bus->dev, "adding %pUL:%02X\n",  in mei_cl_bus_dev_add()
1213 		mei_me_cl_uuid(cldev->me_cl),  in mei_cl_bus_dev_add()
1214 		mei_me_cl_ver(cldev->me_cl));  in mei_cl_bus_dev_add()
1215 	ret = device_add(&cldev->dev);  in mei_cl_bus_dev_add()
1217 		cldev->is_added = 1;  in mei_cl_bus_dev_add()
1227 static void mei_cl_bus_dev_stop(struct mei_cl_device *cldev)  in mei_cl_bus_dev_stop()  argument
1229 	if (cldev->is_added)  in mei_cl_bus_dev_stop()
1230 		device_release_driver(&cldev->dev);  in mei_cl_bus_dev_stop()
1240 static void mei_cl_bus_dev_destroy(struct mei_cl_device *cldev)  in mei_cl_bus_dev_destroy()  argument
1243 	WARN_ON(!mutex_is_locked(&cldev->bus->cl_bus_lock));  in mei_cl_bus_dev_destroy()
1245 	if (!cldev->is_added)  in mei_cl_bus_dev_destroy()
1248 	device_del(&cldev->dev);  in mei_cl_bus_dev_destroy()
1250 	list_del_init(&cldev->bus_list);  in mei_cl_bus_dev_destroy()
1252 	cldev->is_added = 0;  in mei_cl_bus_dev_destroy()
1253 	put_device(&cldev->dev);  in mei_cl_bus_dev_destroy()
1261 static void mei_cl_bus_remove_device(struct mei_cl_device *cldev)  in mei_cl_bus_remove_device()  argument
1263 	mei_cl_bus_dev_stop(cldev);  in mei_cl_bus_remove_device()
1264 	mei_cl_bus_dev_destroy(cldev);  in mei_cl_bus_remove_device()
1274 	struct mei_cl_device *cldev, *next;  in mei_cl_bus_remove_devices()  local
1277 	list_for_each_entry_safe(cldev, next, &bus->device_list, bus_list)  in mei_cl_bus_remove_devices()
1278 		mei_cl_bus_remove_device(cldev);  in mei_cl_bus_remove_devices()
1295 	struct mei_cl_device *cldev;  in mei_cl_bus_dev_init()  local
1304 	cldev = mei_cl_bus_dev_alloc(bus, me_cl);  in mei_cl_bus_dev_init()
1305 	if (!cldev)  in mei_cl_bus_dev_init()
1309 	list_add_tail(&cldev->bus_list, &bus->device_list);  in mei_cl_bus_dev_init()
1321 	struct mei_cl_device *cldev, *n;  in mei_cl_bus_rescan()  local
1331 	list_for_each_entry_safe(cldev, n, &bus->device_list, bus_list) {  in mei_cl_bus_rescan()
1333 		if (!mei_me_cl_is_active(cldev->me_cl)) {  in mei_cl_bus_rescan()
1334 			mei_cl_bus_remove_device(cldev);  in mei_cl_bus_rescan()
1338 		if (cldev->is_added)  in mei_cl_bus_rescan()
1341 		if (mei_cl_bus_dev_setup(bus, cldev))  in mei_cl_bus_rescan()
1342 			mei_cl_bus_dev_add(cldev);  in mei_cl_bus_rescan()
1344 			list_del_init(&cldev->bus_list);  in mei_cl_bus_rescan()
1345 			put_device(&cldev->dev);  in mei_cl_bus_rescan()