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()
230 	neh->rc = rc;  in uwb_rc_neh_add()
236 	spin_lock_irqsave(&rc->neh_lock, flags);  in uwb_rc_neh_add()
237 	result = __uwb_rc_ctx_get(rc, neh);  in uwb_rc_neh_add()
240 		list_add_tail(&neh->list_node, &rc->neh_list);  in uwb_rc_neh_add()
243 	spin_unlock_irqrestore(&rc->neh_lock, flags);  in uwb_rc_neh_add()
256 static void __uwb_rc_neh_rm(struct uwb_rc *rc, struct uwb_rc_neh *neh)  in __uwb_rc_neh_rm()  argument
258 	__uwb_rc_ctx_put(rc, neh);  in __uwb_rc_neh_rm()
270 void uwb_rc_neh_rm(struct uwb_rc *rc, struct uwb_rc_neh *neh)  in uwb_rc_neh_rm()  argument
274 	spin_lock_irqsave(&rc->neh_lock, flags);  in uwb_rc_neh_rm()
275 	__uwb_rc_neh_rm(rc, neh);  in uwb_rc_neh_rm()
276 	spin_unlock_irqrestore(&rc->neh_lock, flags);  in uwb_rc_neh_rm()
290 void uwb_rc_neh_arm(struct uwb_rc *rc, struct uwb_rc_neh *neh)  in uwb_rc_neh_arm()  argument
294 	spin_lock_irqsave(&rc->neh_lock, flags);  in uwb_rc_neh_arm()
298 	spin_unlock_irqrestore(&rc->neh_lock, flags);  in uwb_rc_neh_arm()
303 	(*neh->cb)(neh->rc, neh->arg, rceb, size);  in uwb_rc_neh_cb()
329 struct uwb_rc_neh *uwb_rc_neh_lookup(struct uwb_rc *rc,  in uwb_rc_neh_lookup()  argument
335 	spin_lock_irqsave(&rc->neh_lock, flags);  in uwb_rc_neh_lookup()
337 	list_for_each_entry(h, &rc->neh_list, list_node) {  in uwb_rc_neh_lookup()
345 		__uwb_rc_neh_rm(rc, neh);  in uwb_rc_neh_lookup()
347 	spin_unlock_irqrestore(&rc->neh_lock, flags);  in uwb_rc_neh_lookup()
379 void uwb_rc_notif(struct uwb_rc *rc, struct uwb_rceb *rceb, ssize_t size)  in uwb_rc_notif()  argument
381 	struct device *dev = &rc->uwb_dev.dev;  in uwb_rc_notif()
399 	uwb_evt->rc = __uwb_rc_get(rc);	/* will be put by uwbd's uwbd_event_handle() */  in uwb_rc_notif()
408 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
410 	struct device *dev = &rc->uwb_dev.dev;  in uwb_rc_neh_grok_event()
419 			uwb_rc_notif(rc, notif, size);  in uwb_rc_neh_grok_event()
425 		neh = uwb_rc_neh_lookup(rc, rceb);  in uwb_rc_neh_grok_event()
427 			spin_lock_irqsave(&rc->neh_lock, flags);  in uwb_rc_neh_grok_event()
431 			spin_unlock_irqrestore(&rc->neh_lock, flags);  in uwb_rc_neh_grok_event()
480 void uwb_rc_neh_grok(struct uwb_rc *rc, void *buf, size_t buf_size)  in uwb_rc_neh_grok()  argument
482 	struct device *dev = &rc->uwb_dev.dev;  in uwb_rc_neh_grok()
499 		if (rc->filter_event) {  in uwb_rc_neh_grok()
500 			needtofree = rc->filter_event(rc, &rceb, size,  in uwb_rc_neh_grok()
515 			ssize_t ret = uwb_est_find_size(rc, rceb, size);  in uwb_rc_neh_grok()
528 		uwb_rc_neh_grok_event(rc, rceb, event_size);  in uwb_rc_neh_grok()
548 void uwb_rc_neh_error(struct uwb_rc *rc, int error)  in uwb_rc_neh_error()  argument
554 		spin_lock_irqsave(&rc->neh_lock, flags);  in uwb_rc_neh_error()
555 		if (list_empty(&rc->neh_list)) {  in uwb_rc_neh_error()
556 			spin_unlock_irqrestore(&rc->neh_lock, flags);  in uwb_rc_neh_error()
559 		neh = list_first_entry(&rc->neh_list, struct uwb_rc_neh, list_node);  in uwb_rc_neh_error()
560 		__uwb_rc_neh_rm(rc, neh);  in uwb_rc_neh_error()
561 		spin_unlock_irqrestore(&rc->neh_lock, flags);  in uwb_rc_neh_error()
573 	struct uwb_rc *rc = neh->rc;  in uwb_rc_neh_timer()  local
576 	spin_lock_irqsave(&rc->neh_lock, flags);  in uwb_rc_neh_timer()
578 		spin_unlock_irqrestore(&rc->neh_lock, flags);  in uwb_rc_neh_timer()
582 		__uwb_rc_neh_rm(rc, neh);  in uwb_rc_neh_timer()
585 	spin_unlock_irqrestore(&rc->neh_lock, flags);  in uwb_rc_neh_timer()
593 void uwb_rc_neh_create(struct uwb_rc *rc)  in uwb_rc_neh_create()  argument
595 	spin_lock_init(&rc->neh_lock);  in uwb_rc_neh_create()
596 	INIT_LIST_HEAD(&rc->neh_list);  in uwb_rc_neh_create()
597 	set_bit(0, rc->ctx_bm);		/* 0 is reserved (see [WUSB] table 8-65) */  in uwb_rc_neh_create()
598 	set_bit(0xff, rc->ctx_bm);	/* and 0xff is invalid */  in uwb_rc_neh_create()
599 	rc->ctx_roll = 1;  in uwb_rc_neh_create()
604 void uwb_rc_neh_destroy(struct uwb_rc *rc)  in uwb_rc_neh_destroy()  argument
610 		spin_lock_irqsave(&rc->neh_lock, flags);  in uwb_rc_neh_destroy()
611 		if (list_empty(&rc->neh_list)) {  in uwb_rc_neh_destroy()
612 			spin_unlock_irqrestore(&rc->neh_lock, flags);  in uwb_rc_neh_destroy()
615 		neh = list_first_entry(&rc->neh_list, struct uwb_rc_neh, list_node);  in uwb_rc_neh_destroy()
616 		__uwb_rc_neh_rm(rc, neh);  in uwb_rc_neh_destroy()
617 		spin_unlock_irqrestore(&rc->neh_lock, flags);  in uwb_rc_neh_destroy()