29 static void dump_fifo(struct vas_instance *vinst, void *entry)  in dump_fifo()  argument
31 	unsigned long *end = vinst->fault_fifo + vinst->fault_fifo_size;  in dump_fifo()
35 	pr_err("Fault fifo size %d, Max crbs %d\n", vinst->fault_fifo_size,  in dump_fifo()
36 			vinst->fault_fifo_size / CRB_SIZE);  in dump_fifo()
68 	struct vas_instance *vinst = data;  in vas_fault_thread_fn()  local
97 		spin_lock_irqsave(&vinst->fault_lock, flags);  in vas_fault_thread_fn()
104 		fifo = vinst->fault_fifo + (vinst->fault_crbs * CRB_SIZE);  in vas_fault_thread_fn()
109 			vinst->fifo_in_progress = 0;  in vas_fault_thread_fn()
110 			spin_unlock_irqrestore(&vinst->fault_lock, flags);  in vas_fault_thread_fn()
114 		spin_unlock_irqrestore(&vinst->fault_lock, flags);  in vas_fault_thread_fn()
115 		vinst->fault_crbs++;  in vas_fault_thread_fn()
116 		if (vinst->fault_crbs == (vinst->fault_fifo_size / CRB_SIZE))  in vas_fault_thread_fn()
117 			vinst->fault_crbs = 0;  in vas_fault_thread_fn()
125 		vas_return_credit(vinst->fault_win, false);  in vas_fault_thread_fn()
128 				vinst->vas_id, vinst->fault_fifo, fifo,  in vas_fault_thread_fn()
129 				vinst->fault_crbs);  in vas_fault_thread_fn()
132 		window = vas_pswid_to_window(vinst,  in vas_fault_thread_fn()
144 			dump_fifo(vinst, (void *)entry);  in vas_fault_thread_fn()
146 				vinst->vas_id, vinst->fault_fifo, fifo,  in vas_fault_thread_fn()
148 				vinst->fault_crbs);  in vas_fault_thread_fn()
171 	struct vas_instance *vinst = dev_id;  in vas_fault_handler()  local
183 	spin_lock_irqsave(&vinst->fault_lock, flags);  in vas_fault_handler()
185 	if (vinst->fifo_in_progress)  in vas_fault_handler()
188 		vinst->fifo_in_progress = 1;  in vas_fault_handler()
190 	spin_unlock_irqrestore(&vinst->fault_lock, flags);  in vas_fault_handler()
199 int vas_setup_fault_window(struct vas_instance *vinst)  in vas_setup_fault_window()  argument
204 	vinst->fault_fifo_size = VAS_FAULT_WIN_FIFO_SIZE;  in vas_setup_fault_window()
205 	vinst->fault_fifo = kzalloc(vinst->fault_fifo_size, GFP_KERNEL);  in vas_setup_fault_window()
206 	if (!vinst->fault_fifo) {  in vas_setup_fault_window()
208 				vinst->fault_fifo_size);  in vas_setup_fault_window()
215 	memset(vinst->fault_fifo, FIFO_INVALID_ENTRY, vinst->fault_fifo_size);  in vas_setup_fault_window()
218 	attr.rx_fifo_size = vinst->fault_fifo_size;  in vas_setup_fault_window()
219 	attr.rx_fifo = __pa(vinst->fault_fifo);  in vas_setup_fault_window()
226 	attr.wcreds_max = vinst->fault_fifo_size / CRB_SIZE;  in vas_setup_fault_window()
231 	win = vas_rx_win_open(vinst->vas_id, VAS_COP_TYPE_FAULT, &attr);  in vas_setup_fault_window()
234 		kfree(vinst->fault_fifo);  in vas_setup_fault_window()
238 	vinst->fault_win = container_of(win, struct pnv_vas_window, vas_win);  in vas_setup_fault_window()
241 			vinst->fault_win->vas_win.winid, attr.lnotify_lpid,  in vas_setup_fault_window()