31 static struct tee_context *teedev_open(struct tee_device *teedev)  in teedev_open()  argument
36 	if (!tee_device_get(teedev))  in teedev_open()
46 	ctx->teedev = teedev;  in teedev_open()
48 	rc = teedev->desc->ops->open(ctx);  in teedev_open()
55 	tee_device_put(teedev);  in teedev_open()
73 	ctx->teedev->desc->ops->release(ctx);  in teedev_ctx_release()
87 	tee_device_put(ctx->teedev);  in teedev_close_context()
119 	ctx->teedev->desc->ops->get_version(ctx->teedev, &vers);  in tee_ioctl_version()
121 	if (ctx->teedev->desc->flags & TEE_DESC_PRIVILEGED)  in tee_ioctl_version()
309 	if (!ctx->teedev->desc->ops->open_session)  in tee_ioctl_open_session()
337 	rc = ctx->teedev->desc->ops->open_session(ctx, &arg, params);  in tee_ioctl_open_session()
354 	if (rc && have_session && ctx->teedev->desc->ops->close_session)  in tee_ioctl_open_session()
355 		ctx->teedev->desc->ops->close_session(ctx, arg.session);  in tee_ioctl_open_session()
380 	if (!ctx->teedev->desc->ops->invoke_func)  in tee_ioctl_invoke()
408 	rc = ctx->teedev->desc->ops->invoke_func(ctx, &arg, params);  in tee_ioctl_invoke()
435 	if (!ctx->teedev->desc->ops->cancel_req)  in tee_ioctl_cancel()
441 	return ctx->teedev->desc->ops->cancel_req(ctx, arg.cancel_id,  in tee_ioctl_cancel()
451 	if (!ctx->teedev->desc->ops->close_session)  in tee_ioctl_close_session()
457 	return ctx->teedev->desc->ops->close_session(ctx, arg.session);  in tee_ioctl_close_session()
514 	if (!ctx->teedev->desc->ops->supp_recv)  in tee_ioctl_supp_recv()
539 	rc = ctx->teedev->desc->ops->supp_recv(ctx, &func, &num_params, params);  in tee_ioctl_supp_recv()
612 	if (!ctx->teedev->desc->ops->supp_send)  in tee_ioctl_supp_send()
638 	rc = ctx->teedev->desc->ops->supp_send(ctx, ret, num_params, params);  in tee_ioctl_supp_send()
683 	struct tee_device *teedev = container_of(dev, struct tee_device, dev);  in tee_release_device()  local
686 	clear_bit(teedev->id, dev_mask);  in tee_release_device()
688 	mutex_destroy(&teedev->mutex);  in tee_release_device()
689 	idr_destroy(&teedev->idr);  in tee_release_device()
690 	kfree(teedev);  in tee_release_device()
710 	struct tee_device *teedev;  in tee_device_alloc()  local
720 	teedev = kzalloc(sizeof(*teedev), GFP_KERNEL);  in tee_device_alloc()
721 	if (!teedev) {  in tee_device_alloc()
734 	teedev->id = find_next_zero_bit(dev_mask, max_id, offs);  in tee_device_alloc()
735 	if (teedev->id < max_id)  in tee_device_alloc()
736 		set_bit(teedev->id, dev_mask);  in tee_device_alloc()
739 	if (teedev->id >= max_id) {  in tee_device_alloc()
744 	snprintf(teedev->name, sizeof(teedev->name), "tee%s%d",  in tee_device_alloc()
746 		 teedev->id - offs);  in tee_device_alloc()
748 	teedev->dev.class = tee_class;  in tee_device_alloc()
749 	teedev->dev.release = tee_release_device;  in tee_device_alloc()
750 	teedev->dev.parent = dev;  in tee_device_alloc()
752 	teedev->dev.devt = MKDEV(MAJOR(tee_devt), teedev->id);  in tee_device_alloc()
754 	rc = dev_set_name(&teedev->dev, "%s", teedev->name);  in tee_device_alloc()
760 	cdev_init(&teedev->cdev, &tee_fops);  in tee_device_alloc()
761 	teedev->cdev.owner = teedesc->owner;  in tee_device_alloc()
762 	teedev->cdev.kobj.parent = &teedev->dev.kobj;  in tee_device_alloc()
764 	dev_set_drvdata(&teedev->dev, driver_data);  in tee_device_alloc()
765 	device_initialize(&teedev->dev);  in tee_device_alloc()
768 	teedev->num_users = 1;  in tee_device_alloc()
769 	init_completion(&teedev->c_no_users);  in tee_device_alloc()
770 	mutex_init(&teedev->mutex);  in tee_device_alloc()
771 	idr_init(&teedev->idr);  in tee_device_alloc()
773 	teedev->desc = teedesc;  in tee_device_alloc()
774 	teedev->pool = pool;  in tee_device_alloc()
776 	return teedev;  in tee_device_alloc()
778 	unregister_chrdev_region(teedev->dev.devt, 1);  in tee_device_alloc()
782 	if (teedev && teedev->id < TEE_NUM_DEVICES) {  in tee_device_alloc()
784 		clear_bit(teedev->id, dev_mask);  in tee_device_alloc()
787 	kfree(teedev);  in tee_device_alloc()
795 	struct tee_device *teedev = container_of(dev, struct tee_device, dev);  in implementation_id_show()  local
798 	teedev->desc->ops->get_version(teedev, &vers);  in implementation_id_show()
821 int tee_device_register(struct tee_device *teedev)  in tee_device_register()  argument
825 	if (teedev->flags & TEE_DEVICE_FLAG_REGISTERED) {  in tee_device_register()
826 		dev_err(&teedev->dev, "attempt to register twice\n");  in tee_device_register()
830 	rc = cdev_add(&teedev->cdev, teedev->dev.devt, 1);  in tee_device_register()
832 		dev_err(&teedev->dev,  in tee_device_register()
834 			teedev->name, MAJOR(teedev->dev.devt),  in tee_device_register()
835 			MINOR(teedev->dev.devt), rc);  in tee_device_register()
839 	rc = device_add(&teedev->dev);  in tee_device_register()
841 		dev_err(&teedev->dev,  in tee_device_register()
843 			teedev->name, MAJOR(teedev->dev.devt),  in tee_device_register()
844 			MINOR(teedev->dev.devt), rc);  in tee_device_register()
848 	rc = sysfs_create_group(&teedev->dev.kobj, &tee_dev_group);  in tee_device_register()
850 		dev_err(&teedev->dev,  in tee_device_register()
855 	teedev->flags |= TEE_DEVICE_FLAG_REGISTERED;  in tee_device_register()
859 	device_del(&teedev->dev);  in tee_device_register()
861 	cdev_del(&teedev->cdev);  in tee_device_register()
866 void tee_device_put(struct tee_device *teedev)  in tee_device_put()  argument
868 	mutex_lock(&teedev->mutex);  in tee_device_put()
870 	if (!WARN_ON(!teedev->desc)) {  in tee_device_put()
871 		teedev->num_users--;  in tee_device_put()
872 		if (!teedev->num_users) {  in tee_device_put()
873 			teedev->desc = NULL;  in tee_device_put()
874 			complete(&teedev->c_no_users);  in tee_device_put()
877 	mutex_unlock(&teedev->mutex);  in tee_device_put()
880 bool tee_device_get(struct tee_device *teedev)  in tee_device_get()  argument
882 	mutex_lock(&teedev->mutex);  in tee_device_get()
883 	if (!teedev->desc) {  in tee_device_get()
884 		mutex_unlock(&teedev->mutex);  in tee_device_get()
887 	teedev->num_users++;  in tee_device_get()
888 	mutex_unlock(&teedev->mutex);  in tee_device_get()
900 void tee_device_unregister(struct tee_device *teedev)  in tee_device_unregister()  argument
902 	if (!teedev)  in tee_device_unregister()
905 	if (teedev->flags & TEE_DEVICE_FLAG_REGISTERED) {  in tee_device_unregister()
906 		sysfs_remove_group(&teedev->dev.kobj, &tee_dev_group);  in tee_device_unregister()
907 		cdev_del(&teedev->cdev);  in tee_device_unregister()
908 		device_del(&teedev->dev);  in tee_device_unregister()
911 	tee_device_put(teedev);  in tee_device_unregister()
912 	wait_for_completion(&teedev->c_no_users);  in tee_device_unregister()
919 	teedev->pool = NULL;  in tee_device_unregister()
921 	put_device(&teedev->dev);  in tee_device_unregister()
930 void *tee_get_drvdata(struct tee_device *teedev)  in tee_get_drvdata()  argument
932 	return dev_get_drvdata(&teedev->dev);  in tee_get_drvdata()
945 	struct tee_device *teedev = container_of(dev, struct tee_device, dev);  in match_dev()  local
947 	teedev->desc->ops->get_version(teedev, match_data->vers);  in match_dev()
964 		dev = &start->teedev->dev;  in tee_client_open_context()
1003 	ctx->teedev->desc->ops->get_version(ctx->teedev, vers);  in tee_client_get_version()
1011 	if (!ctx->teedev->desc->ops->open_session)  in tee_client_open_session()
1013 	return ctx->teedev->desc->ops->open_session(ctx, arg, param);  in tee_client_open_session()
1019 	if (!ctx->teedev->desc->ops->close_session)  in tee_client_close_session()
1021 	return ctx->teedev->desc->ops->close_session(ctx, session);  in tee_client_close_session()
1029 	if (!ctx->teedev->desc->ops->invoke_func)  in tee_client_invoke_func()
1031 	return ctx->teedev->desc->ops->invoke_func(ctx, arg, param);  in tee_client_invoke_func()
1038 	if (!ctx->teedev->desc->ops->cancel_req)  in tee_client_cancel_req()
1040 	return ctx->teedev->desc->ops->cancel_req(ctx, arg->cancel_id,  in tee_client_cancel_req()