173 static void dump_fifo(struct vas_instance *vinst, void *entry)  in dump_fifo()  argument
175 	unsigned long *end = vinst->fault_fifo + vinst->fault_fifo_size;  in dump_fifo()
179 	pr_err("Fault fifo size %d, Max crbs %d\n", vinst->fault_fifo_size,  in dump_fifo()
180 			vinst->fault_fifo_size / CRB_SIZE);  in dump_fifo()
212 	struct vas_instance *vinst = data;  in vas_fault_thread_fn()  local
241 		spin_lock_irqsave(&vinst->fault_lock, flags);  in vas_fault_thread_fn()
248 		fifo = vinst->fault_fifo + (vinst->fault_crbs * CRB_SIZE);  in vas_fault_thread_fn()
253 			vinst->fifo_in_progress = 0;  in vas_fault_thread_fn()
254 			spin_unlock_irqrestore(&vinst->fault_lock, flags);  in vas_fault_thread_fn()
258 		spin_unlock_irqrestore(&vinst->fault_lock, flags);  in vas_fault_thread_fn()
259 		vinst->fault_crbs++;  in vas_fault_thread_fn()
260 		if (vinst->fault_crbs == (vinst->fault_fifo_size / CRB_SIZE))  in vas_fault_thread_fn()
261 			vinst->fault_crbs = 0;  in vas_fault_thread_fn()
269 		vas_return_credit(vinst->fault_win, false);  in vas_fault_thread_fn()
272 				vinst->vas_id, vinst->fault_fifo, fifo,  in vas_fault_thread_fn()
273 				vinst->fault_crbs);  in vas_fault_thread_fn()
276 		window = vas_pswid_to_window(vinst,  in vas_fault_thread_fn()
288 			dump_fifo(vinst, (void *)entry);  in vas_fault_thread_fn()
290 				vinst->vas_id, vinst->fault_fifo, fifo,  in vas_fault_thread_fn()
292 				vinst->fault_crbs);  in vas_fault_thread_fn()
308 	struct vas_instance *vinst = dev_id;  in vas_fault_handler()  local
320 	spin_lock_irqsave(&vinst->fault_lock, flags);  in vas_fault_handler()
322 	if (vinst->fifo_in_progress)  in vas_fault_handler()
325 		vinst->fifo_in_progress = 1;  in vas_fault_handler()
327 	spin_unlock_irqrestore(&vinst->fault_lock, flags);  in vas_fault_handler()
336 int vas_setup_fault_window(struct vas_instance *vinst)  in vas_setup_fault_window()  argument
340 	vinst->fault_fifo_size = VAS_FAULT_WIN_FIFO_SIZE;  in vas_setup_fault_window()
341 	vinst->fault_fifo = kzalloc(vinst->fault_fifo_size, GFP_KERNEL);  in vas_setup_fault_window()
342 	if (!vinst->fault_fifo) {  in vas_setup_fault_window()
344 				vinst->fault_fifo_size);  in vas_setup_fault_window()
351 	memset(vinst->fault_fifo, FIFO_INVALID_ENTRY, vinst->fault_fifo_size);  in vas_setup_fault_window()
354 	attr.rx_fifo_size = vinst->fault_fifo_size;  in vas_setup_fault_window()
355 	attr.rx_fifo = __pa(vinst->fault_fifo);  in vas_setup_fault_window()
362 	attr.wcreds_max = vinst->fault_fifo_size / CRB_SIZE;  in vas_setup_fault_window()
367 	vinst->fault_win = vas_rx_win_open(vinst->vas_id, VAS_COP_TYPE_FAULT,  in vas_setup_fault_window()
370 	if (IS_ERR(vinst->fault_win)) {  in vas_setup_fault_window()
372 			PTR_ERR(vinst->fault_win));  in vas_setup_fault_window()
373 		kfree(vinst->fault_fifo);  in vas_setup_fault_window()
374 		return PTR_ERR(vinst->fault_win);  in vas_setup_fault_window()
378 			vinst->fault_win->winid, attr.lnotify_lpid,  in vas_setup_fault_window()