interface/vchiq_arm/vchiq_dev.c

140 				    struct vchiq_create_service *args)
148 	if (args->is_open && !instance->connected)
155 	if (args->is_open) {
163 		.fourcc   = args->params.fourcc,
166 		.version  = args->params.version,
167 		.version_min = args->params.version_min,
178 	user_service->userdata = args->params.userdata;
180 	user_service->is_vchi = (args->is_vchi != 0);
190 	if (args->is_open) {
198 	args->handle = service->handle;
204 				     struct vchiq_dequeue_message *args)
213 	service = find_service_for_instance(instance, args->handle);
225 		if (!args->blocking) {
263 	} else if (header->size <= args->bufsize) {
265 		if (!args->buf || (copy_to_user(args->buf, header->data, header->size) == 0)) {
274 			header, args->bufsize, header->size);
285 				      struct vchiq_queue_bulk_transfer *args,
295 	service = find_service_for_instance(instance, args->handle);
299 	if (args->mode == VCHIQ_BULK_MODE_BLOCKING) {
307 	} else if (args->mode == VCHIQ_BULK_MODE_WAITING) {
328 		userdata = args->userdata;
331 	status = vchiq_bulk_transfer(instance, args->handle, NULL, args->data, args->size,
332 				     userdata, args->mode, dir);
431 				      struct vchiq_await_completion *args,
463 	msgbufcount = args->msgbufcount;
466 	for (ret = 0; ret < args->count; ret++) {
500 			if (args->msgbufsize < msglen) {
503 					header, args->msgbufsize, msglen);
514 			if (vchiq_get_user_ptr(&msgbuf, args->msgbufs,
545 		if (vchiq_put_completion(args->buf, &user_completion, ret)) {
560 	if (msgbufcount != args->msgbufcount) {
635 		struct vchiq_create_service args;
638 		if (copy_from_user(&args, argp, sizeof(args))) {
643 		ret = vchiq_ioc_create_service(instance, &args);
647 		if (put_user(args.handle, &argp->handle)) {
648 			vchiq_remove_service(instance, args.handle);
713 		struct vchiq_queue_message args;
715 		if (copy_from_user(&args, (const void __user *)arg,
716 				   sizeof(args))) {
721 		service = find_service_for_instance(instance, args.handle);
723 		if (service && (args.count <= MAX_ELEMENTS)) {
727 			if (copy_from_user(elements, args.elements,
728 					   args.count * sizeof(struct vchiq_element)) == 0)
729 				ret = vchiq_ioc_queue_message(instance, args.handle, elements,
730 							      args.count);
740 		struct vchiq_queue_bulk_transfer args;
748 		if (copy_from_user(&args, argp, sizeof(args))) {
753 		ret = vchiq_irq_queue_bulk_tx_rx(instance, &args,
758 		struct vchiq_await_completion args;
762 		if (copy_from_user(&args, argp, sizeof(args))) {
767 		ret = vchiq_ioc_await_completion(instance, &args,
772 		struct vchiq_dequeue_message args;
774 		if (copy_from_user(&args, (const void __user *)arg,
775 				   sizeof(args))) {
780 		ret = vchiq_ioc_dequeue_message(instance, &args);
790 		struct vchiq_get_config args;
793 		if (copy_from_user(&args, (const void __user *)arg,
794 				   sizeof(args))) {
798 		if (args.config_size > sizeof(config)) {
804 		if (copy_to_user(args.pconfig, &config, args.config_size)) {
811 		struct vchiq_set_service_option args;
813 		if (copy_from_user(&args, (const void __user *)arg,
814 				   sizeof(args))) {
819 		service = find_service_for_instance(instance, args.handle);
825 		ret = vchiq_set_service_option(instance, args.handle, args.option,
826 					       args.value);
905 	struct vchiq_create_service args;
913 	args = (struct vchiq_create_service) {
926 	ret = vchiq_ioc_create_service(instance, &args);
930 	if (put_user(args.handle, &ptrargs32->handle)) {
931 		vchiq_remove_service(instance, args.handle);
957 	struct vchiq_queue_message args;
966 	args = (struct vchiq_queue_message) {
975 	service = find_service_for_instance(instance, args.handle);
984 		if (copy_from_user(&element32, args.elements,
995 		ret = vchiq_ioc_queue_message(instance, args.handle, elements,
996 					      args.count);
1024 	struct vchiq_queue_bulk_transfer args;
1031 	args = (struct vchiq_queue_bulk_transfer) {
1039 	return vchiq_irq_queue_bulk_tx_rx(file->private_data, &args,
1059 	struct vchiq_await_completion args;
1065 	args = (struct vchiq_await_completion) {
1073 	return vchiq_ioc_await_completion(file->private_data, &args,
1093 	struct vchiq_dequeue_message args;
1098 	args = (struct vchiq_dequeue_message) {
1105 	return vchiq_ioc_dequeue_message(file->private_data, &args);