46 struct tee_context *teedev_open(struct tee_device *teedev)  in teedev_open()  argument
51 	if (!tee_device_get(teedev))  in teedev_open()
61 	ctx->teedev = teedev;  in teedev_open()
62 	rc = teedev->desc->ops->open(ctx);  in teedev_open()
69 	tee_device_put(teedev);  in teedev_open()
88 	ctx->teedev->desc->ops->release(ctx);  in teedev_ctx_release()
102 	struct tee_device *teedev = ctx->teedev;  in teedev_close_context()  local
105 	tee_device_put(teedev);  in teedev_close_context()
275 	ctx->teedev->desc->ops->get_version(ctx->teedev, &vers);  in tee_ioctl_version()
277 	if (ctx->teedev->desc->flags & TEE_DESC_PRIVILEGED)  in tee_ioctl_version()
476 	if (!ctx->teedev->desc->ops->open_session)  in tee_ioctl_open_session()
511 	rc = ctx->teedev->desc->ops->open_session(ctx, &arg, params);  in tee_ioctl_open_session()
528 	if (rc && have_session && ctx->teedev->desc->ops->close_session)  in tee_ioctl_open_session()
529 		ctx->teedev->desc->ops->close_session(ctx, arg.session);  in tee_ioctl_open_session()
554 	if (!ctx->teedev->desc->ops->invoke_func)  in tee_ioctl_invoke()
582 	rc = ctx->teedev->desc->ops->invoke_func(ctx, &arg, params);  in tee_ioctl_invoke()
609 	if (!ctx->teedev->desc->ops->cancel_req)  in tee_ioctl_cancel()
615 	return ctx->teedev->desc->ops->cancel_req(ctx, arg.cancel_id,  in tee_ioctl_cancel()
625 	if (!ctx->teedev->desc->ops->close_session)  in tee_ioctl_close_session()
631 	return ctx->teedev->desc->ops->close_session(ctx, arg.session);  in tee_ioctl_close_session()
688 	if (!ctx->teedev->desc->ops->supp_recv)  in tee_ioctl_supp_recv()
713 	rc = ctx->teedev->desc->ops->supp_recv(ctx, &func, &num_params, params);  in tee_ioctl_supp_recv()
786 	if (!ctx->teedev->desc->ops->supp_send)  in tee_ioctl_supp_send()
812 	rc = ctx->teedev->desc->ops->supp_send(ctx, ret, num_params, params);  in tee_ioctl_supp_send()
857 	struct tee_device *teedev = container_of(dev, struct tee_device, dev);  in tee_release_device()  local
860 	clear_bit(teedev->id, dev_mask);  in tee_release_device()
862 	mutex_destroy(&teedev->mutex);  in tee_release_device()
863 	idr_destroy(&teedev->idr);  in tee_release_device()
864 	kfree(teedev);  in tee_release_device()
884 	struct tee_device *teedev;  in tee_device_alloc()  local
894 	teedev = kzalloc(sizeof(*teedev), GFP_KERNEL);  in tee_device_alloc()
895 	if (!teedev) {  in tee_device_alloc()
908 	teedev->id = find_next_zero_bit(dev_mask, max_id, offs);  in tee_device_alloc()
909 	if (teedev->id < max_id)  in tee_device_alloc()
910 		set_bit(teedev->id, dev_mask);  in tee_device_alloc()
913 	if (teedev->id >= max_id) {  in tee_device_alloc()
918 	snprintf(teedev->name, sizeof(teedev->name), "tee%s%d",  in tee_device_alloc()
920 		 teedev->id - offs);  in tee_device_alloc()
922 	teedev->dev.class = tee_class;  in tee_device_alloc()
923 	teedev->dev.release = tee_release_device;  in tee_device_alloc()
924 	teedev->dev.parent = dev;  in tee_device_alloc()
926 	teedev->dev.devt = MKDEV(MAJOR(tee_devt), teedev->id);  in tee_device_alloc()
928 	rc = dev_set_name(&teedev->dev, "%s", teedev->name);  in tee_device_alloc()
934 	cdev_init(&teedev->cdev, &tee_fops);  in tee_device_alloc()
935 	teedev->cdev.owner = teedesc->owner;  in tee_device_alloc()
937 	dev_set_drvdata(&teedev->dev, driver_data);  in tee_device_alloc()
938 	device_initialize(&teedev->dev);  in tee_device_alloc()
941 	teedev->num_users = 1;  in tee_device_alloc()
942 	init_completion(&teedev->c_no_users);  in tee_device_alloc()
943 	mutex_init(&teedev->mutex);  in tee_device_alloc()
944 	idr_init(&teedev->idr);  in tee_device_alloc()
946 	teedev->desc = teedesc;  in tee_device_alloc()
947 	teedev->pool = pool;  in tee_device_alloc()
949 	return teedev;  in tee_device_alloc()
951 	unregister_chrdev_region(teedev->dev.devt, 1);  in tee_device_alloc()
955 	if (teedev && teedev->id < TEE_NUM_DEVICES) {  in tee_device_alloc()
957 		clear_bit(teedev->id, dev_mask);  in tee_device_alloc()
960 	kfree(teedev);  in tee_device_alloc()
968 	struct tee_device *teedev = container_of(dev, struct tee_device, dev);  in implementation_id_show()  local
971 	teedev->desc->ops->get_version(teedev, &vers);  in implementation_id_show()
992 int tee_device_register(struct tee_device *teedev)  in tee_device_register()  argument
996 	if (teedev->flags & TEE_DEVICE_FLAG_REGISTERED) {  in tee_device_register()
997 		dev_err(&teedev->dev, "attempt to register twice\n");  in tee_device_register()
1001 	teedev->dev.groups = tee_dev_groups;  in tee_device_register()
1003 	rc = cdev_device_add(&teedev->cdev, &teedev->dev);  in tee_device_register()
1005 		dev_err(&teedev->dev,  in tee_device_register()
1007 			teedev->name, MAJOR(teedev->dev.devt),  in tee_device_register()
1008 			MINOR(teedev->dev.devt), rc);  in tee_device_register()
1012 	teedev->flags |= TEE_DEVICE_FLAG_REGISTERED;  in tee_device_register()
1017 void tee_device_put(struct tee_device *teedev)  in tee_device_put()  argument
1019 	mutex_lock(&teedev->mutex);  in tee_device_put()
1021 	if (!WARN_ON(!teedev->desc)) {  in tee_device_put()
1022 		teedev->num_users--;  in tee_device_put()
1023 		if (!teedev->num_users) {  in tee_device_put()
1024 			teedev->desc = NULL;  in tee_device_put()
1025 			complete(&teedev->c_no_users);  in tee_device_put()
1028 	mutex_unlock(&teedev->mutex);  in tee_device_put()
1031 bool tee_device_get(struct tee_device *teedev)  in tee_device_get()  argument
1033 	mutex_lock(&teedev->mutex);  in tee_device_get()
1034 	if (!teedev->desc) {  in tee_device_get()
1035 		mutex_unlock(&teedev->mutex);  in tee_device_get()
1038 	teedev->num_users++;  in tee_device_get()
1039 	mutex_unlock(&teedev->mutex);  in tee_device_get()
1051 void tee_device_unregister(struct tee_device *teedev)  in tee_device_unregister()  argument
1053 	if (!teedev)  in tee_device_unregister()
1056 	if (teedev->flags & TEE_DEVICE_FLAG_REGISTERED)  in tee_device_unregister()
1057 		cdev_device_del(&teedev->cdev, &teedev->dev);  in tee_device_unregister()
1059 	tee_device_put(teedev);  in tee_device_unregister()
1060 	wait_for_completion(&teedev->c_no_users);  in tee_device_unregister()
1067 	teedev->pool = NULL;  in tee_device_unregister()
1069 	put_device(&teedev->dev);  in tee_device_unregister()
1078 void *tee_get_drvdata(struct tee_device *teedev)  in tee_get_drvdata()  argument
1080 	return dev_get_drvdata(&teedev->dev);  in tee_get_drvdata()
1093 	struct tee_device *teedev = container_of(dev, struct tee_device, dev);  in match_dev()  local
1095 	teedev->desc->ops->get_version(teedev, match_data->vers);  in match_dev()
1112 		dev = &start->teedev->dev;  in tee_client_open_context()
1151 	ctx->teedev->desc->ops->get_version(ctx->teedev, vers);  in tee_client_get_version()
1159 	if (!ctx->teedev->desc->ops->open_session)  in tee_client_open_session()
1161 	return ctx->teedev->desc->ops->open_session(ctx, arg, param);  in tee_client_open_session()
1167 	if (!ctx->teedev->desc->ops->close_session)  in tee_client_close_session()
1169 	return ctx->teedev->desc->ops->close_session(ctx, session);  in tee_client_close_session()
1177 	if (!ctx->teedev->desc->ops->invoke_func)  in tee_client_invoke_func()
1179 	return ctx->teedev->desc->ops->invoke_func(ctx, arg, param);  in tee_client_invoke_func()
1186 	if (!ctx->teedev->desc->ops->cancel_req)  in tee_client_cancel_req()
1188 	return ctx->teedev->desc->ops->cancel_req(ctx, arg->cancel_id,  in tee_client_cancel_req()