80 	struct f_usb9pfs *usb9pfs;  member
91 static int usb9pfs_queue_tx(struct f_usb9pfs *usb9pfs, struct p9_req_t *p9_tx_req,  in usb9pfs_queue_tx()  argument
94 	struct usb_composite_dev *cdev = usb9pfs->function.config->cdev;  in usb9pfs_queue_tx()
95 	struct usb_request *req = usb9pfs->in_req;  in usb9pfs_queue_tx()
98 	if (!(p9_tx_req->tc.size % usb9pfs->in_ep->maxpacket))  in usb9pfs_queue_tx()
106 		usb9pfs->in_ep->name, req->actual, req->length, req->zero);  in usb9pfs_queue_tx()
108 	ret = usb_ep_queue(usb9pfs->in_ep, req, gfp_flags);  in usb9pfs_queue_tx()
117 static int usb9pfs_queue_rx(struct f_usb9pfs *usb9pfs, struct usb_request *req,  in usb9pfs_queue_rx()  argument
120 	struct usb_composite_dev *cdev = usb9pfs->function.config->cdev;  in usb9pfs_queue_rx()
123 	ret = usb_ep_queue(usb9pfs->out_ep, req, gfp_flags);  in usb9pfs_queue_rx()
130 static int usb9pfs_transmit(struct f_usb9pfs *usb9pfs, struct p9_req_t *p9_req)  in usb9pfs_transmit()  argument
134 	guard(spinlock_irqsave)(&usb9pfs->lock);  in usb9pfs_transmit()
136 	ret = usb9pfs_queue_tx(usb9pfs, p9_req, GFP_ATOMIC);  in usb9pfs_transmit()
149 	struct f_usb9pfs *usb9pfs = ep->driver_data;  in usb9pfs_tx_complete()  local
150 	struct usb_composite_dev *cdev = usb9pfs->function.config->cdev;  in usb9pfs_tx_complete()
166 	spin_lock_irqsave(&usb9pfs->lock, flags);  in usb9pfs_tx_complete()
169 	p9_req_put(usb9pfs->client, p9_tx_req);  in usb9pfs_tx_complete()
173 	spin_unlock_irqrestore(&usb9pfs->lock, flags);  in usb9pfs_tx_complete()
175 	complete(&usb9pfs->send);  in usb9pfs_tx_complete()
178 static struct p9_req_t *usb9pfs_rx_header(struct f_usb9pfs *usb9pfs, void *buf)  in usb9pfs_rx_header()  argument
190 	p9_debug(P9_DEBUG_TRANS, "mux %p got %zu bytes\n", usb9pfs,  in usb9pfs_rx_header()
202 		 usb9pfs, rc.size, rc.tag);  in usb9pfs_rx_header()
204 	p9_rx_req = p9_tag_lookup(usb9pfs->client, rc.tag);  in usb9pfs_rx_header()
214 		p9_req_put(usb9pfs->client, p9_rx_req);  in usb9pfs_rx_header()
222 		p9_req_put(usb9pfs->client, p9_rx_req);  in usb9pfs_rx_header()
231 	struct f_usb9pfs *usb9pfs = ep->driver_data;  in usb9pfs_rx_complete()  local
232 	struct usb_composite_dev *cdev = usb9pfs->function.config->cdev;  in usb9pfs_rx_complete()
241 	p9_rx_req = usb9pfs_rx_header(usb9pfs, req->buf);  in usb9pfs_rx_complete()
249 	p9_client_cb(usb9pfs->client, p9_rx_req, REQ_STATUS_RCVD);  in usb9pfs_rx_complete()
250 	p9_req_put(usb9pfs->client, p9_rx_req);  in usb9pfs_rx_complete()
252 	complete(&usb9pfs->received);  in usb9pfs_rx_complete()
265 static void disable_usb9pfs(struct f_usb9pfs *usb9pfs)  in disable_usb9pfs()  argument
268 		usb9pfs->function.config->cdev;  in disable_usb9pfs()
270 	if (usb9pfs->in_req) {  in disable_usb9pfs()
271 		usb_ep_free_request(usb9pfs->in_ep, usb9pfs->in_req);  in disable_usb9pfs()
272 		usb9pfs->in_req = NULL;  in disable_usb9pfs()
275 	if (usb9pfs->out_req) {  in disable_usb9pfs()
276 		usb_ep_free_request(usb9pfs->out_ep, usb9pfs->out_req);  in disable_usb9pfs()
277 		usb9pfs->out_req = NULL;  in disable_usb9pfs()
280 	disable_ep(cdev, usb9pfs->in_ep);  in disable_usb9pfs()
281 	disable_ep(cdev, usb9pfs->out_ep);  in disable_usb9pfs()
283 		usb9pfs->function.name);  in disable_usb9pfs()
287 			  struct f_usb9pfs *usb9pfs)  in alloc_requests()  argument
291 	usb9pfs->in_req = usb_ep_alloc_request(usb9pfs->in_ep, GFP_ATOMIC);  in alloc_requests()
292 	if (!usb9pfs->in_req) {  in alloc_requests()
297 	usb9pfs->out_req = alloc_ep_req(usb9pfs->out_ep, usb9pfs->buflen);  in alloc_requests()
298 	if (!usb9pfs->out_req) {  in alloc_requests()
303 	usb9pfs->in_req->complete = usb9pfs_tx_complete;  in alloc_requests()
304 	usb9pfs->out_req->complete = usb9pfs_rx_complete;  in alloc_requests()
307 	usb9pfs->in_req->context = usb9pfs;  in alloc_requests()
308 	usb9pfs->out_req->context = usb9pfs;  in alloc_requests()
313 	usb_ep_free_request(usb9pfs->in_ep, usb9pfs->in_req);  in alloc_requests()
319 			   struct f_usb9pfs *usb9pfs, struct usb_ep *ep)  in enable_endpoint()  argument
323 	ret = config_ep_by_speed(cdev->gadget, &usb9pfs->function, ep);  in enable_endpoint()
331 	ep->driver_data = usb9pfs;  in enable_endpoint()
337 enable_usb9pfs(struct usb_composite_dev *cdev, struct f_usb9pfs *usb9pfs)  in enable_usb9pfs()  argument
342 	ret = enable_endpoint(cdev, usb9pfs, usb9pfs->in_ep);  in enable_usb9pfs()
346 	ret = enable_endpoint(cdev, usb9pfs, usb9pfs->out_ep);  in enable_usb9pfs()
350 	ret = alloc_requests(cdev, usb9pfs);  in enable_usb9pfs()
354 	client = usb9pfs->client;  in enable_usb9pfs()
358 	dev_dbg(&cdev->gadget->dev, "%s enabled\n", usb9pfs->function.name);  in enable_usb9pfs()
362 	usb_ep_disable(usb9pfs->out_ep);  in enable_usb9pfs()
364 	usb_ep_disable(usb9pfs->in_ep);  in enable_usb9pfs()
372 	struct f_usb9pfs *usb9pfs;  in p9_usbg_create()  local
398 	usb9pfs = dev->usb9pfs;  in p9_usbg_create()
399 	if (!usb9pfs)  in p9_usbg_create()
402 	client->trans = (void *)usb9pfs;  in p9_usbg_create()
403 	if (!usb9pfs->in_req)  in p9_usbg_create()
407 	usb9pfs->client = client;  in p9_usbg_create()
409 	client->trans_mod->maxsize = usb9pfs->buflen;  in p9_usbg_create()
411 	complete(&usb9pfs->received);  in p9_usbg_create()
416 static void usb9pfs_clear_tx(struct f_usb9pfs *usb9pfs)  in usb9pfs_clear_tx()  argument
420 	guard(spinlock_irqsave)(&usb9pfs->lock);  in usb9pfs_clear_tx()
422 	req = usb9pfs->in_req->context;  in usb9pfs_clear_tx()
429 	p9_client_cb(usb9pfs->client, req, REQ_STATUS_ERROR);  in usb9pfs_clear_tx()
434 	struct f_usb9pfs *usb9pfs;  in p9_usbg_close()  local
441 	usb9pfs = client->trans;  in p9_usbg_close()
442 	if (!usb9pfs)  in p9_usbg_close()
447 	usb9pfs_clear_tx(usb9pfs);  in p9_usbg_close()
449 	opts = container_of(usb9pfs->function.fi,  in p9_usbg_close()
461 	struct f_usb9pfs *usb9pfs = client->trans;  in p9_usbg_request()  local
467 	ret = wait_for_completion_killable(&usb9pfs->received);  in p9_usbg_request()
471 	ret = usb9pfs_transmit(usb9pfs, p9_req);  in p9_usbg_request()
475 	ret = wait_for_completion_killable(&usb9pfs->send);  in p9_usbg_request()
479 	return usb9pfs_queue_rx(usb9pfs, usb9pfs->out_req, GFP_ATOMIC);  in p9_usbg_request()
484 	struct f_usb9pfs *usb9pfs = client->trans;  in p9_usbg_cancel()  local
489 	guard(spinlock_irqsave)(&usb9pfs->lock);  in p9_usbg_cancel()
640 	struct f_usb9pfs *usb9pfs = func_to_usb9pfs(f);  in usb9pfs_func_bind()  local
659 	usb9pfs->in_ep = usb_ep_autoconfig(cdev->gadget,  in usb9pfs_func_bind()
661 	if (!usb9pfs->in_ep)  in usb9pfs_func_bind()
664 	usb9pfs->out_ep = usb_ep_autoconfig(cdev->gadget,  in usb9pfs_func_bind()
666 	if (!usb9pfs->out_ep)  in usb9pfs_func_bind()
687 	opts->dev->usb9pfs = usb9pfs;  in usb9pfs_func_bind()
692 			f->name, usb9pfs->in_ep->name, usb9pfs->out_ep->name);  in usb9pfs_func_bind()
705 	struct f_usb9pfs *usb9pfs = func_to_usb9pfs(f);  in usb9pfs_func_unbind()  local
707 	disable_usb9pfs(usb9pfs);  in usb9pfs_func_unbind()
712 	struct f_usb9pfs *usb9pfs = func_to_usb9pfs(f);  in usb9pfs_free_func()  local
715 	kfree(usb9pfs);  in usb9pfs_free_func()
729 	struct f_usb9pfs *usb9pfs = func_to_usb9pfs(f);  in usb9pfs_set_alt()  local
732 	return enable_usb9pfs(cdev, usb9pfs);  in usb9pfs_set_alt()
737 	struct f_usb9pfs *usb9pfs = func_to_usb9pfs(f);  in usb9pfs_disable()  local
739 	usb9pfs_clear_tx(usb9pfs);  in usb9pfs_disable()
745 	struct f_usb9pfs *usb9pfs;  in usb9pfs_alloc()  local
747 	usb9pfs = kzalloc(sizeof(*usb9pfs), GFP_KERNEL);  in usb9pfs_alloc()
748 	if (!usb9pfs)  in usb9pfs_alloc()
751 	spin_lock_init(&usb9pfs->lock);  in usb9pfs_alloc()
753 	init_completion(&usb9pfs->send);  in usb9pfs_alloc()
754 	init_completion(&usb9pfs->received);  in usb9pfs_alloc()
762 	usb9pfs->buflen = usb9pfs_opts->buflen;  in usb9pfs_alloc()
764 	usb9pfs->function.name = "usb9pfs";  in usb9pfs_alloc()
765 	usb9pfs->function.bind = usb9pfs_func_bind;  in usb9pfs_alloc()
766 	usb9pfs->function.unbind = usb9pfs_func_unbind;  in usb9pfs_alloc()
767 	usb9pfs->function.set_alt = usb9pfs_set_alt;  in usb9pfs_alloc()
768 	usb9pfs->function.disable = usb9pfs_disable;  in usb9pfs_alloc()
769 	usb9pfs->function.strings = usb9pfs_strings;  in usb9pfs_alloc()
771 	usb9pfs->function.free_func = usb9pfs_free_func;  in usb9pfs_alloc()
773 	return &usb9pfs->function;  in usb9pfs_alloc()
929 DECLARE_USB_FUNCTION(usb9pfs, usb9pfs_alloc_instance, usb9pfs_alloc);