Lines Matching full:client
47 struct client { struct
72 static inline void client_get(struct client *client) in client_get() argument
74 kref_get(&client->kref); in client_get()
79 struct client *client = container_of(kref, struct client, kref); in client_release() local
81 fw_device_put(client->device); in client_release()
82 kfree(client); in client_release()
85 static void client_put(struct client *client) in client_put() argument
87 kref_put(&client->kref, client_release); in client_put()
91 typedef void (*client_resource_release_fn_t)(struct client *,
102 struct client *client; member
126 struct client *client; member
127 /* Schedule work and access todo only with client->lock held. */
137 static void release_iso_resource(struct client *, struct client_resource *);
141 client_get(r->client); in schedule_iso_resource()
143 client_put(r->client); in schedule_iso_resource()
169 struct client *client; member
199 struct client *client; member
240 struct client *client; in fw_device_op_open() local
251 client = kzalloc(sizeof(*client), GFP_KERNEL); in fw_device_op_open()
252 if (client == NULL) { in fw_device_op_open()
257 client->device = device; in fw_device_op_open()
258 spin_lock_init(&client->lock); in fw_device_op_open()
259 idr_init(&client->resource_idr); in fw_device_op_open()
260 INIT_LIST_HEAD(&client->event_list); in fw_device_op_open()
261 init_waitqueue_head(&client->wait); in fw_device_op_open()
262 init_waitqueue_head(&client->tx_flush_wait); in fw_device_op_open()
263 INIT_LIST_HEAD(&client->phy_receiver_link); in fw_device_op_open()
264 INIT_LIST_HEAD(&client->link); in fw_device_op_open()
265 kref_init(&client->kref); in fw_device_op_open()
267 file->private_data = client; in fw_device_op_open()
272 static void queue_event(struct client *client, struct event *event, in queue_event() argument
282 spin_lock_irqsave(&client->lock, flags); in queue_event()
283 if (client->in_shutdown) in queue_event()
286 list_add_tail(&event->link, &client->event_list); in queue_event()
287 spin_unlock_irqrestore(&client->lock, flags); in queue_event()
289 wake_up_interruptible(&client->wait); in queue_event()
292 static int dequeue_event(struct client *client, in dequeue_event() argument
299 ret = wait_event_interruptible(client->wait, in dequeue_event()
300 !list_empty(&client->event_list) || in dequeue_event()
301 fw_device_is_shutdown(client->device)); in dequeue_event()
305 if (list_empty(&client->event_list) && in dequeue_event()
306 fw_device_is_shutdown(client->device)) in dequeue_event()
309 spin_lock_irq(&client->lock); in dequeue_event()
310 event = list_first_entry(&client->event_list, struct event, link); in dequeue_event()
312 spin_unlock_irq(&client->lock); in dequeue_event()
334 struct client *client = file->private_data; in fw_device_op_read() local
336 return dequeue_event(client, buffer, count); in fw_device_op_read()
340 struct client *client) in fill_bus_reset_event() argument
342 struct fw_card *card = client->device->card; in fill_bus_reset_event()
346 event->closure = client->bus_reset_closure; in fill_bus_reset_event()
348 event->generation = client->device->generation; in fill_bus_reset_event()
349 event->node_id = client->device->node_id; in fill_bus_reset_event()
359 void (*callback)(struct client *client)) in for_each_client() argument
361 struct client *c; in for_each_client()
376 static void queue_bus_reset_event(struct client *client) in queue_bus_reset_event() argument
384 fill_bus_reset_event(&e->reset, client); in queue_bus_reset_event()
386 queue_event(client, &e->event, in queue_bus_reset_event()
389 spin_lock_irq(&client->lock); in queue_bus_reset_event()
390 idr_for_each(&client->resource_idr, schedule_reallocations, client); in queue_bus_reset_event()
391 spin_unlock_irq(&client->lock); in queue_bus_reset_event()
399 static void wake_up_client(struct client *client) in wake_up_client() argument
401 wake_up_interruptible(&client->wait); in wake_up_client()
432 static int ioctl_get_info(struct client *client, union ioctl_arg *arg) in ioctl_get_info() argument
438 client->version = a->version; in ioctl_get_info()
440 a->card = client->device->card->index; in ioctl_get_info()
446 size_t have = client->device->config_rom_length * 4; in ioctl_get_info()
449 client->device->config_rom, min(want, have)); in ioctl_get_info()
451 a->rom_length = client->device->config_rom_length * 4; in ioctl_get_info()
458 mutex_lock(&client->device->client_list_mutex); in ioctl_get_info()
460 client->bus_reset_closure = a->bus_reset_closure; in ioctl_get_info()
462 fill_bus_reset_event(&bus_reset, client); in ioctl_get_info()
466 if (ret == 0 && list_empty(&client->link)) in ioctl_get_info()
467 list_add_tail(&client->link, &client->device->client_list); in ioctl_get_info()
469 mutex_unlock(&client->device->client_list_mutex); in ioctl_get_info()
474 static int add_client_resource(struct client *client, in add_client_resource() argument
483 spin_lock_irqsave(&client->lock, flags); in add_client_resource()
485 if (client->in_shutdown) in add_client_resource()
488 ret = idr_alloc(&client->resource_idr, resource, 0, 0, in add_client_resource()
492 client_get(client); in add_client_resource()
496 spin_unlock_irqrestore(&client->lock, flags); in add_client_resource()
503 static int release_client_resource(struct client *client, u32 handle, in release_client_resource() argument
509 spin_lock_irq(&client->lock); in release_client_resource()
510 if (client->in_shutdown) in release_client_resource()
513 resource = idr_find(&client->resource_idr, handle); in release_client_resource()
515 idr_remove(&client->resource_idr, handle); in release_client_resource()
516 spin_unlock_irq(&client->lock); in release_client_resource()
524 resource->release(client, resource); in release_client_resource()
526 client_put(client); in release_client_resource()
531 static void release_transaction(struct client *client, in release_transaction() argument
541 struct client *client = e->client; in complete_transaction() local
549 spin_lock_irqsave(&client->lock, flags); in complete_transaction()
550 idr_remove(&client->resource_idr, e->r.resource.handle); in complete_transaction()
551 if (client->in_shutdown) in complete_transaction()
552 wake_up(&client->tx_flush_wait); in complete_transaction()
553 spin_unlock_irqrestore(&client->lock, flags); in complete_transaction()
566 queue_event(client, &e->event, rsp, sizeof(*rsp), in complete_transaction()
569 queue_event(client, &e->event, rsp, sizeof(*rsp) + rsp->length, in complete_transaction()
573 client_put(client); in complete_transaction()
576 static int init_request(struct client *client, in init_request() argument
595 e->client = client; in init_request()
607 ret = add_client_resource(client, &e->r.resource, GFP_KERNEL); in init_request()
611 fw_send_request(client->device->card, &e->r.transaction, in init_request()
623 static int ioctl_send_request(struct client *client, union ioctl_arg *arg) in ioctl_send_request() argument
642 return init_request(client, &arg->send_request, client->device->node_id, in ioctl_send_request()
643 client->device->max_speed); in ioctl_send_request()
651 static void release_request(struct client *client, in release_request() argument
678 /* card may be different from handler->client->device->card */ in handle_request()
704 ret = add_client_resource(handler->client, &r->resource, GFP_ATOMIC); in handle_request()
708 if (handler->client->version < FW_CDEV_VERSION_EVENT_REQUEST2) { in handle_request()
737 queue_event(handler->client, &e->event, in handle_request()
752 static void release_address_handler(struct client *client, in release_address_handler() argument
762 static int ioctl_allocate(struct client *client, union ioctl_arg *arg) in ioctl_allocate() argument
774 if (client->version < FW_CDEV_VERSION_ALLOCATE_REGION_END) in ioctl_allocate()
783 r->client = client; in ioctl_allocate()
793 ret = add_client_resource(client, &r->resource, GFP_KERNEL); in ioctl_allocate()
795 release_address_handler(client, &r->resource); in ioctl_allocate()
803 static int ioctl_deallocate(struct client *client, union ioctl_arg *arg) in ioctl_deallocate() argument
805 return release_client_resource(client, arg->deallocate.handle, in ioctl_deallocate()
809 static int ioctl_send_response(struct client *client, union ioctl_arg *arg) in ioctl_send_response() argument
816 if (release_client_resource(client, a->handle, in ioctl_send_response()
843 static int ioctl_initiate_bus_reset(struct client *client, union ioctl_arg *arg) in ioctl_initiate_bus_reset() argument
845 fw_schedule_bus_reset(client->device->card, true, in ioctl_initiate_bus_reset()
850 static void release_descriptor(struct client *client, in release_descriptor() argument
860 static int ioctl_add_descriptor(struct client *client, union ioctl_arg *arg) in ioctl_add_descriptor() argument
867 if (!client->device->is_local) in ioctl_add_descriptor()
892 ret = add_client_resource(client, &r->resource, GFP_KERNEL); in ioctl_add_descriptor()
906 static int ioctl_remove_descriptor(struct client *client, union ioctl_arg *arg) in ioctl_remove_descriptor() argument
908 return release_client_resource(client, arg->remove_descriptor.handle, in ioctl_remove_descriptor()
915 struct client *client = data; in iso_callback() local
923 e->interrupt.closure = client->iso_closure; in iso_callback()
927 queue_event(client, &e->event, &e->interrupt, in iso_callback()
934 struct client *client = data; in iso_mc_callback() local
942 e->interrupt.closure = client->iso_closure; in iso_mc_callback()
943 e->interrupt.completed = fw_iso_buffer_lookup(&client->buffer, in iso_mc_callback()
945 queue_event(client, &e->event, &e->interrupt, in iso_mc_callback()
971 static int ioctl_create_iso_context(struct client *client, union ioctl_arg *arg) in ioctl_create_iso_context() argument
1008 context = fw_iso_mc_context_create(client->device->card, cb.mc, in ioctl_create_iso_context()
1009 client); in ioctl_create_iso_context()
1011 context = fw_iso_context_create(client->device->card, a->type, in ioctl_create_iso_context()
1013 a->header_size, cb.sc, client); in ioctl_create_iso_context()
1016 if (client->version < FW_CDEV_VERSION_AUTO_FLUSH_ISO_OVERFLOW) in ioctl_create_iso_context()
1020 spin_lock_irq(&client->lock); in ioctl_create_iso_context()
1021 if (client->iso_context != NULL) { in ioctl_create_iso_context()
1022 spin_unlock_irq(&client->lock); in ioctl_create_iso_context()
1027 if (!client->buffer_is_mapped) { in ioctl_create_iso_context()
1028 ret = fw_iso_buffer_map_dma(&client->buffer, in ioctl_create_iso_context()
1029 client->device->card, in ioctl_create_iso_context()
1032 spin_unlock_irq(&client->lock); in ioctl_create_iso_context()
1037 client->buffer_is_mapped = true; in ioctl_create_iso_context()
1039 client->iso_closure = a->closure; in ioctl_create_iso_context()
1040 client->iso_context = context; in ioctl_create_iso_context()
1041 spin_unlock_irq(&client->lock); in ioctl_create_iso_context()
1048 static int ioctl_set_iso_channels(struct client *client, union ioctl_arg *arg) in ioctl_set_iso_channels() argument
1051 struct fw_iso_context *ctx = client->iso_context; in ioctl_set_iso_channels()
1067 static int ioctl_queue_iso(struct client *client, union ioctl_arg *arg) in ioctl_queue_iso() argument
1071 struct fw_iso_context *ctx = client->iso_context; in ioctl_queue_iso()
1092 payload = (unsigned long)a->data - client->vm_start; in ioctl_queue_iso()
1093 buffer_end = client->buffer.page_count << PAGE_SHIFT; in ioctl_queue_iso()
1094 if (a->data == 0 || client->buffer.pages == NULL || in ioctl_queue_iso()
1151 &client->buffer, payload)) in ioctl_queue_iso()
1162 a->data = client->vm_start + payload; in ioctl_queue_iso()
1167 static int ioctl_start_iso(struct client *client, union ioctl_arg *arg) in ioctl_start_iso() argument
1178 if (client->iso_context == NULL || a->handle != 0) in ioctl_start_iso()
1181 if (client->iso_context->type == FW_ISO_CONTEXT_RECEIVE && in ioctl_start_iso()
1185 return fw_iso_context_start(client->iso_context, in ioctl_start_iso()
1189 static int ioctl_stop_iso(struct client *client, union ioctl_arg *arg) in ioctl_stop_iso() argument
1193 if (client->iso_context == NULL || a->handle != 0) in ioctl_stop_iso()
1196 return fw_iso_context_stop(client->iso_context); in ioctl_stop_iso()
1199 static int ioctl_flush_iso(struct client *client, union ioctl_arg *arg) in ioctl_flush_iso() argument
1203 if (client->iso_context == NULL || a->handle != 0) in ioctl_flush_iso()
1206 return fw_iso_context_flush_completions(client->iso_context); in ioctl_flush_iso()
1209 static int ioctl_get_cycle_timer2(struct client *client, union ioctl_arg *arg) in ioctl_get_cycle_timer2() argument
1212 struct fw_card *card = client->device->card; in ioctl_get_cycle_timer2()
1240 static int ioctl_get_cycle_timer(struct client *client, union ioctl_arg *arg) in ioctl_get_cycle_timer() argument
1246 ioctl_get_cycle_timer2(client, (union ioctl_arg *)&ct2); in ioctl_get_cycle_timer()
1259 struct client *client = r->client; in iso_resource_work() local
1263 spin_lock_irq(&client->lock); in iso_resource_work()
1264 generation = client->device->generation; in iso_resource_work()
1269 client->device->card->reset_jiffies + HZ)) { in iso_resource_work()
1281 spin_unlock_irq(&client->lock); in iso_resource_work()
1288 fw_iso_resource_manage(client->device->card, generation, in iso_resource_work()
1304 spin_lock_irq(&client->lock); in iso_resource_work()
1306 * Transit from allocation to reallocation, except if the client in iso_resource_work()
1313 * idr and prepare for deletion, unless the client is shutting down. in iso_resource_work()
1316 !client->in_shutdown && in iso_resource_work()
1317 idr_remove(&client->resource_idr, r->resource.handle)) { in iso_resource_work()
1318 client_put(client); in iso_resource_work()
1321 spin_unlock_irq(&client->lock); in iso_resource_work()
1340 queue_event(client, &e->event, in iso_resource_work()
1350 client_put(client); in iso_resource_work()
1353 static void release_iso_resource(struct client *client, in release_iso_resource() argument
1359 spin_lock_irq(&client->lock); in release_iso_resource()
1362 spin_unlock_irq(&client->lock); in release_iso_resource()
1365 static int init_iso_resource(struct client *client, in init_iso_resource() argument
1385 r->client = client; in init_iso_resource()
1400 ret = add_client_resource(client, &r->resource, GFP_KERNEL); in init_iso_resource()
1419 static int ioctl_allocate_iso_resource(struct client *client, in ioctl_allocate_iso_resource() argument
1422 return init_iso_resource(client, in ioctl_allocate_iso_resource()
1426 static int ioctl_deallocate_iso_resource(struct client *client, in ioctl_deallocate_iso_resource() argument
1429 return release_client_resource(client, in ioctl_deallocate_iso_resource()
1433 static int ioctl_allocate_iso_resource_once(struct client *client, in ioctl_allocate_iso_resource_once() argument
1436 return init_iso_resource(client, in ioctl_allocate_iso_resource_once()
1440 static int ioctl_deallocate_iso_resource_once(struct client *client, in ioctl_deallocate_iso_resource_once() argument
1443 return init_iso_resource(client, in ioctl_deallocate_iso_resource_once()
1452 static int ioctl_get_speed(struct client *client, union ioctl_arg *arg) in ioctl_get_speed() argument
1454 return client->device->max_speed; in ioctl_get_speed()
1457 static int ioctl_send_broadcast_request(struct client *client, in ioctl_send_broadcast_request() argument
1474 return init_request(client, a, LOCAL_BUS | 0x3f, SCODE_100); in ioctl_send_broadcast_request()
1477 static int ioctl_send_stream_packet(struct client *client, union ioctl_arg *arg) in ioctl_send_stream_packet() argument
1483 if (a->speed > client->device->card->link_speed || in ioctl_send_stream_packet()
1497 return init_request(client, &request, dest, a->speed); in ioctl_send_stream_packet()
1505 struct client *e_client; in outbound_phy_packet_callback()
1522 e_client = e->client; in outbound_phy_packet_callback()
1523 queue_event(e->client, &e->event, &e->phy_packet, in outbound_phy_packet_callback()
1528 static int ioctl_send_phy_packet(struct client *client, union ioctl_arg *arg) in ioctl_send_phy_packet() argument
1531 struct fw_card *card = client->device->card; in ioctl_send_phy_packet()
1535 if (!client->device->is_local) in ioctl_send_phy_packet()
1542 client_get(client); in ioctl_send_phy_packet()
1543 e->client = client; in ioctl_send_phy_packet()
1561 static int ioctl_receive_phy_packets(struct client *client, union ioctl_arg *arg) in ioctl_receive_phy_packets() argument
1564 struct fw_card *card = client->device->card; in ioctl_receive_phy_packets()
1567 if (!client->device->is_local) in ioctl_receive_phy_packets()
1572 list_move_tail(&client->phy_receiver_link, &card->phy_receiver_list); in ioctl_receive_phy_packets()
1573 client->phy_receiver_closure = a->closure; in ioctl_receive_phy_packets()
1582 struct client *client; in fw_cdev_handle_phy_packet() local
1588 list_for_each_entry(client, &card->phy_receiver_list, phy_receiver_link) { in fw_cdev_handle_phy_packet()
1593 e->phy_packet.closure = client->phy_receiver_closure; in fw_cdev_handle_phy_packet()
1599 queue_event(client, &e->event, in fw_cdev_handle_phy_packet()
1606 static int (* const ioctl_handlers[])(struct client *, union ioctl_arg *) = {
1634 static int dispatch_ioctl(struct client *client, in dispatch_ioctl() argument
1640 if (fw_device_is_shutdown(client->device)) in dispatch_ioctl()
1654 ret = ioctl_handlers[_IOC_NR(cmd)](client, &buffer); in dispatch_ioctl()
1673 struct client *client = file->private_data; in fw_device_op_mmap() local
1677 if (fw_device_is_shutdown(client->device)) in fw_device_op_mmap()
1681 if (client->buffer.pages != NULL) in fw_device_op_mmap()
1690 client->vm_start = vma->vm_start; in fw_device_op_mmap()
1696 ret = fw_iso_buffer_alloc(&client->buffer, page_count); in fw_device_op_mmap()
1700 spin_lock_irq(&client->lock); in fw_device_op_mmap()
1701 if (client->iso_context) { in fw_device_op_mmap()
1702 ret = fw_iso_buffer_map_dma(&client->buffer, in fw_device_op_mmap()
1703 client->device->card, in fw_device_op_mmap()
1704 iso_dma_direction(client->iso_context)); in fw_device_op_mmap()
1705 client->buffer_is_mapped = (ret == 0); in fw_device_op_mmap()
1707 spin_unlock_irq(&client->lock); in fw_device_op_mmap()
1711 ret = vm_map_pages_zero(vma, client->buffer.pages, in fw_device_op_mmap()
1712 client->buffer.page_count); in fw_device_op_mmap()
1718 fw_iso_buffer_destroy(&client->buffer, client->device->card); in fw_device_op_mmap()
1729 static int has_outbound_transactions(struct client *client) in has_outbound_transactions() argument
1733 spin_lock_irq(&client->lock); in has_outbound_transactions()
1734 ret = idr_for_each(&client->resource_idr, in has_outbound_transactions()
1736 spin_unlock_irq(&client->lock); in has_outbound_transactions()
1744 struct client *client = data; in shutdown_resource() local
1746 resource->release(client, resource); in shutdown_resource()
1747 client_put(client); in shutdown_resource()
1754 struct client *client = file->private_data; in fw_device_op_release() local
1757 spin_lock_irq(&client->device->card->lock); in fw_device_op_release()
1758 list_del(&client->phy_receiver_link); in fw_device_op_release()
1759 spin_unlock_irq(&client->device->card->lock); in fw_device_op_release()
1761 mutex_lock(&client->device->client_list_mutex); in fw_device_op_release()
1762 list_del(&client->link); in fw_device_op_release()
1763 mutex_unlock(&client->device->client_list_mutex); in fw_device_op_release()
1765 if (client->iso_context) in fw_device_op_release()
1766 fw_iso_context_destroy(client->iso_context); in fw_device_op_release()
1768 if (client->buffer.pages) in fw_device_op_release()
1769 fw_iso_buffer_destroy(&client->buffer, client->device->card); in fw_device_op_release()
1771 /* Freeze client->resource_idr and client->event_list */ in fw_device_op_release()
1772 spin_lock_irq(&client->lock); in fw_device_op_release()
1773 client->in_shutdown = true; in fw_device_op_release()
1774 spin_unlock_irq(&client->lock); in fw_device_op_release()
1776 wait_event(client->tx_flush_wait, !has_outbound_transactions(client)); in fw_device_op_release()
1778 idr_for_each(&client->resource_idr, shutdown_resource, client); in fw_device_op_release()
1779 idr_destroy(&client->resource_idr); in fw_device_op_release()
1781 list_for_each_entry_safe(event, next_event, &client->event_list, link) in fw_device_op_release()
1784 client_put(client); in fw_device_op_release()
1791 struct client *client = file->private_data; in fw_device_op_poll() local
1794 poll_wait(file, &client->wait, pt); in fw_device_op_poll()
1796 if (fw_device_is_shutdown(client->device)) in fw_device_op_poll()
1798 if (!list_empty(&client->event_list)) in fw_device_op_poll()