106 	struct uwb_rc *rc;  member
163 int __uwb_rc_ctx_get(struct uwb_rc *rc, struct uwb_rc_neh *neh)  in __uwb_rc_ctx_get()  argument
166 	result = find_next_zero_bit(rc->ctx_bm, UWB_RC_CTX_MAX,  in __uwb_rc_ctx_get()
167 				    rc->ctx_roll++);  in __uwb_rc_ctx_get()
170 	result = find_first_zero_bit(rc->ctx_bm, UWB_RC_CTX_MAX);  in __uwb_rc_ctx_get()
175 	set_bit(result, rc->ctx_bm);  in __uwb_rc_ctx_get()
183 void __uwb_rc_ctx_put(struct uwb_rc *rc, struct uwb_rc_neh *neh)  in __uwb_rc_ctx_put()  argument
185 	struct device *dev = &rc->uwb_dev.dev;  in __uwb_rc_ctx_put()
188 	if (test_bit(neh->context, rc->ctx_bm) == 0) {  in __uwb_rc_ctx_put()
193 	clear_bit(neh->context, rc->ctx_bm);  in __uwb_rc_ctx_put()
209 struct uwb_rc_neh *uwb_rc_neh_add(struct uwb_rc *rc, struct uwb_rccb *cmd,  in uwb_rc_neh_add()  argument
215 	struct device *dev = &rc->uwb_dev.dev;  in uwb_rc_neh_add()
228 	neh->rc = rc;  in uwb_rc_neh_add()
234 	spin_lock_irqsave(&rc->neh_lock, flags);  in uwb_rc_neh_add()
235 	result = __uwb_rc_ctx_get(rc, neh);  in uwb_rc_neh_add()
238 		list_add_tail(&neh->list_node, &rc->neh_list);  in uwb_rc_neh_add()
241 	spin_unlock_irqrestore(&rc->neh_lock, flags);  in uwb_rc_neh_add()
254 static void __uwb_rc_neh_rm(struct uwb_rc *rc, struct uwb_rc_neh *neh)  in __uwb_rc_neh_rm()  argument
256 	__uwb_rc_ctx_put(rc, neh);  in __uwb_rc_neh_rm()
268 void uwb_rc_neh_rm(struct uwb_rc *rc, struct uwb_rc_neh *neh)  in uwb_rc_neh_rm()  argument
272 	spin_lock_irqsave(&rc->neh_lock, flags);  in uwb_rc_neh_rm()
273 	__uwb_rc_neh_rm(rc, neh);  in uwb_rc_neh_rm()
274 	spin_unlock_irqrestore(&rc->neh_lock, flags);  in uwb_rc_neh_rm()
288 void uwb_rc_neh_arm(struct uwb_rc *rc, struct uwb_rc_neh *neh)  in uwb_rc_neh_arm()  argument
292 	spin_lock_irqsave(&rc->neh_lock, flags);  in uwb_rc_neh_arm()
296 	spin_unlock_irqrestore(&rc->neh_lock, flags);  in uwb_rc_neh_arm()
301 	(*neh->cb)(neh->rc, neh->arg, rceb, size);  in uwb_rc_neh_cb()
327 struct uwb_rc_neh *uwb_rc_neh_lookup(struct uwb_rc *rc,  in uwb_rc_neh_lookup()  argument
333 	spin_lock_irqsave(&rc->neh_lock, flags);  in uwb_rc_neh_lookup()
335 	list_for_each_entry(h, &rc->neh_list, list_node) {  in uwb_rc_neh_lookup()
343 		__uwb_rc_neh_rm(rc, neh);  in uwb_rc_neh_lookup()
345 	spin_unlock_irqrestore(&rc->neh_lock, flags);  in uwb_rc_neh_lookup()
377 void uwb_rc_notif(struct uwb_rc *rc, struct uwb_rceb *rceb, ssize_t size)  in uwb_rc_notif()  argument
379 	struct device *dev = &rc->uwb_dev.dev;  in uwb_rc_notif()
397 	uwb_evt->rc = __uwb_rc_get(rc);	/* will be put by uwbd's uwbd_event_handle() */  in uwb_rc_notif()
406 static void uwb_rc_neh_grok_event(struct uwb_rc *rc, struct uwb_rceb *rceb, size_t size)  in uwb_rc_neh_grok_event()  argument
408 	struct device *dev = &rc->uwb_dev.dev;  in uwb_rc_neh_grok_event()
417 			uwb_rc_notif(rc, notif, size);  in uwb_rc_neh_grok_event()
423 		neh = uwb_rc_neh_lookup(rc, rceb);  in uwb_rc_neh_grok_event()
425 			spin_lock_irqsave(&rc->neh_lock, flags);  in uwb_rc_neh_grok_event()
429 			spin_unlock_irqrestore(&rc->neh_lock, flags);  in uwb_rc_neh_grok_event()
478 void uwb_rc_neh_grok(struct uwb_rc *rc, void *buf, size_t buf_size)  in uwb_rc_neh_grok()  argument
480 	struct device *dev = &rc->uwb_dev.dev;  in uwb_rc_neh_grok()
497 		if (rc->filter_event) {  in uwb_rc_neh_grok()
498 			needtofree = rc->filter_event(rc, &rceb, size,  in uwb_rc_neh_grok()
513 			ssize_t ret = uwb_est_find_size(rc, rceb, size);  in uwb_rc_neh_grok()
526 		uwb_rc_neh_grok_event(rc, rceb, event_size);  in uwb_rc_neh_grok()
546 void uwb_rc_neh_error(struct uwb_rc *rc, int error)  in uwb_rc_neh_error()  argument
552 		spin_lock_irqsave(&rc->neh_lock, flags);  in uwb_rc_neh_error()
553 		if (list_empty(&rc->neh_list)) {  in uwb_rc_neh_error()
554 			spin_unlock_irqrestore(&rc->neh_lock, flags);  in uwb_rc_neh_error()
557 		neh = list_first_entry(&rc->neh_list, struct uwb_rc_neh, list_node);  in uwb_rc_neh_error()
558 		__uwb_rc_neh_rm(rc, neh);  in uwb_rc_neh_error()
559 		spin_unlock_irqrestore(&rc->neh_lock, flags);  in uwb_rc_neh_error()
571 	struct uwb_rc *rc = neh->rc;  in uwb_rc_neh_timer()  local
574 	spin_lock_irqsave(&rc->neh_lock, flags);  in uwb_rc_neh_timer()
576 		spin_unlock_irqrestore(&rc->neh_lock, flags);  in uwb_rc_neh_timer()
580 		__uwb_rc_neh_rm(rc, neh);  in uwb_rc_neh_timer()
583 	spin_unlock_irqrestore(&rc->neh_lock, flags);  in uwb_rc_neh_timer()
591 void uwb_rc_neh_create(struct uwb_rc *rc)  in uwb_rc_neh_create()  argument
593 	spin_lock_init(&rc->neh_lock);  in uwb_rc_neh_create()
594 	INIT_LIST_HEAD(&rc->neh_list);  in uwb_rc_neh_create()
595 	set_bit(0, rc->ctx_bm);		/* 0 is reserved (see [WUSB] table 8-65) */  in uwb_rc_neh_create()
596 	set_bit(0xff, rc->ctx_bm);	/* and 0xff is invalid */  in uwb_rc_neh_create()
597 	rc->ctx_roll = 1;  in uwb_rc_neh_create()
602 void uwb_rc_neh_destroy(struct uwb_rc *rc)  in uwb_rc_neh_destroy()  argument
608 		spin_lock_irqsave(&rc->neh_lock, flags);  in uwb_rc_neh_destroy()
609 		if (list_empty(&rc->neh_list)) {  in uwb_rc_neh_destroy()
610 			spin_unlock_irqrestore(&rc->neh_lock, flags);  in uwb_rc_neh_destroy()
613 		neh = list_first_entry(&rc->neh_list, struct uwb_rc_neh, list_node);  in uwb_rc_neh_destroy()
614 		__uwb_rc_neh_rm(rc, neh);  in uwb_rc_neh_destroy()
615 		spin_unlock_irqrestore(&rc->neh_lock, flags);  in uwb_rc_neh_destroy()