446 	struct fw_cdev_get_info *a = &arg->get_info;  in ioctl_get_info()  local
450 	client->version = a->version;  in ioctl_get_info()
451 	a->version = FW_CDEV_KERNEL_VERSION;  in ioctl_get_info()
452 	a->card = client->device->card->index;  in ioctl_get_info()
456 	if (a->rom != 0) {  in ioctl_get_info()
457 		size_t want = a->rom_length;  in ioctl_get_info()
460 		ret = copy_to_user(u64_to_uptr(a->rom),  in ioctl_get_info()
463 	a->rom_length = client->device->config_rom_length * 4;  in ioctl_get_info()
472 	client->bus_reset_closure = a->bus_reset_closure;  in ioctl_get_info()
473 	if (a->bus_reset != 0) {  in ioctl_get_info()
476 		ret = copy_to_user(u64_to_uptr(a->bus_reset), &bus_reset, 36);  in ioctl_get_info()
776 	struct fw_cdev_allocate *a = &arg->allocate;  in ioctl_allocate()  local
785 	region.start = a->offset;  in ioctl_allocate()
787 		region.end = a->offset + a->length;  in ioctl_allocate()
789 		region.end = a->region_end;  in ioctl_allocate()
791 	r->handler.length           = a->length;  in ioctl_allocate()
794 	r->closure   = a->closure;  in ioctl_allocate()
802 	a->offset = r->handler.offset;  in ioctl_allocate()
810 	a->handle = r->resource.handle;  in ioctl_allocate()
823 	struct fw_cdev_send_response *a = &arg->send_response;  in ioctl_send_response()  local
828 	if (release_client_resource(client, a->handle,  in ioctl_send_response()
837 	if (a->length != fw_get_response_length(r->request)) {  in ioctl_send_response()
842 	if (copy_from_user(r->data, u64_to_uptr(a->data), a->length)) {  in ioctl_send_response()
847 	fw_send_response(r->card, r->request, a->rcode);  in ioctl_send_response()
874 	struct fw_cdev_add_descriptor *a = &arg->add_descriptor;  in ioctl_add_descriptor()  local
882 	if (a->length > 256)  in ioctl_add_descriptor()
885 	r = kmalloc(sizeof(*r) + a->length * 4, GFP_KERNEL);  in ioctl_add_descriptor()
889 	if (copy_from_user(r->data, u64_to_uptr(a->data), a->length * 4)) {  in ioctl_add_descriptor()
894 	r->descriptor.length    = a->length;  in ioctl_add_descriptor()
895 	r->descriptor.immediate = a->immediate;  in ioctl_add_descriptor()
896 	r->descriptor.key       = a->key;  in ioctl_add_descriptor()
909 	a->handle = r->resource.handle;  in ioctl_add_descriptor()
971 	struct fw_cdev_create_iso_context *a = &arg->create_iso_context;  in ioctl_create_iso_context()  local
981 	switch (a->type) {  in ioctl_create_iso_context()
983 		if (a->speed > SCODE_3200 || a->channel > 63)  in ioctl_create_iso_context()
990 		if (a->header_size < 4 || (a->header_size & 3) ||  in ioctl_create_iso_context()
991 		    a->channel > 63)  in ioctl_create_iso_context()
1005 	context = fw_iso_context_create(client->device->card, a->type,  in ioctl_create_iso_context()
1006 			a->channel, a->speed, a->header_size, cb, client);  in ioctl_create_iso_context()
1032 	client->iso_closure = a->closure;  in ioctl_create_iso_context()
1036 	a->handle = 0;  in ioctl_create_iso_context()
1043 	struct fw_cdev_set_iso_channels *a = &arg->set_iso_channels;  in ioctl_set_iso_channels()  local
1046 	if (ctx == NULL || a->handle != 0)  in ioctl_set_iso_channels()
1049 	return fw_iso_context_set_channels(ctx, &a->channels);  in ioctl_set_iso_channels()
1062 	struct fw_cdev_queue_iso *a = &arg->queue_iso;  in ioctl_queue_iso()  local
1073 	if (ctx == NULL || a->handle != 0)  in ioctl_queue_iso()
1085 	payload = (unsigned long)a->data - client->vm_start;  in ioctl_queue_iso()
1087 	if (a->data == 0 || client->buffer.pages == NULL ||  in ioctl_queue_iso()
1096 	p = (struct fw_cdev_iso_packet __user *)u64_to_uptr(a->packets);  in ioctl_queue_iso()
1097 	if (!access_ok(VERIFY_READ, p, a->size))  in ioctl_queue_iso()
1100 	end = (void __user *)p + a->size;  in ioctl_queue_iso()
1155 	a->size    -= uptr_to_u64(p) - a->packets;  in ioctl_queue_iso()
1156 	a->packets  = uptr_to_u64(p);  in ioctl_queue_iso()
1157 	a->data     = client->vm_start + payload;  in ioctl_queue_iso()
1164 	struct fw_cdev_start_iso *a = &arg->start_iso;  in ioctl_start_iso()  local
1173 	if (client->iso_context == NULL || a->handle != 0)  in ioctl_start_iso()
1177 	    (a->tags == 0 || a->tags > 15 || a->sync > 15))  in ioctl_start_iso()
1181 				    a->cycle, a->sync, a->tags);  in ioctl_start_iso()
1186 	struct fw_cdev_stop_iso *a = &arg->stop_iso;  in ioctl_stop_iso()  local
1188 	if (client->iso_context == NULL || a->handle != 0)  in ioctl_stop_iso()
1196 	struct fw_cdev_flush_iso *a = &arg->flush_iso;  in ioctl_flush_iso()  local
1198 	if (client->iso_context == NULL || a->handle != 0)  in ioctl_flush_iso()
1206 	struct fw_cdev_get_cycle_timer2 *a = &arg->get_cycle_timer2;  in ioctl_get_cycle_timer2()  local
1216 	switch (a->clk_id) {  in ioctl_get_cycle_timer2()
1226 	a->tv_sec      = ts.tv_sec;  in ioctl_get_cycle_timer2()
1227 	a->tv_nsec     = ts.tv_nsec;  in ioctl_get_cycle_timer2()
1228 	a->cycle_timer = cycle_time;  in ioctl_get_cycle_timer2()
1235 	struct fw_cdev_get_cycle_timer *a = &arg->get_cycle_timer;  in ioctl_get_cycle_timer()  local
1241 	a->local_time = ct2.tv_sec * USEC_PER_SEC + ct2.tv_nsec / NSEC_PER_USEC;  in ioctl_get_cycle_timer()
1242 	a->cycle_timer = ct2.cycle_timer;  in ioctl_get_cycle_timer()
1454 	struct fw_cdev_send_request *a = &arg->send_request;  in ioctl_send_broadcast_request()  local
1456 	switch (a->tcode) {  in ioctl_send_broadcast_request()
1465 	if (a->offset < CSR_REGISTER_BASE + CSR_CONFIG_ROM_END)  in ioctl_send_broadcast_request()
1468 	return init_request(client, a, LOCAL_BUS | 0x3f, SCODE_100);  in ioctl_send_broadcast_request()
1473 	struct fw_cdev_send_stream_packet *a = &arg->send_stream_packet;  in ioctl_send_stream_packet()  local
1477 	if (a->speed > client->device->card->link_speed ||  in ioctl_send_stream_packet()
1478 	    a->length > 1024 << a->speed)  in ioctl_send_stream_packet()
1481 	if (a->tag > 3 || a->channel > 63 || a->sy > 15)  in ioctl_send_stream_packet()
1484 	dest = fw_stream_packet_destination_id(a->tag, a->channel, a->sy);  in ioctl_send_stream_packet()
1486 	request.length		= a->length;  in ioctl_send_stream_packet()
1487 	request.closure		= a->closure;  in ioctl_send_stream_packet()
1488 	request.data		= a->data;  in ioctl_send_stream_packet()
1489 	request.generation	= a->generation;  in ioctl_send_stream_packet()
1491 	return init_request(client, &request, dest, a->speed);  in ioctl_send_stream_packet()
1522 	struct fw_cdev_send_phy_packet *a = &arg->send_phy_packet;  in ioctl_send_phy_packet()  local
1537 	e->p.generation		= a->generation;  in ioctl_send_phy_packet()
1539 	e->p.header[1]		= a->data[0];  in ioctl_send_phy_packet()
1540 	e->p.header[2]		= a->data[1];  in ioctl_send_phy_packet()
1543 	e->phy_packet.closure	= a->closure;  in ioctl_send_phy_packet()
1545 	if (is_ping_packet(a->data))  in ioctl_send_phy_packet()
1555 	struct fw_cdev_receive_phy_packets *a = &arg->receive_phy_packets;  in ioctl_receive_phy_packets()  local
1565 	client->phy_receiver_closure = a->closure;  in ioctl_receive_phy_packets()