21  * The maximum FIFO size for fault window can be 8MB
22  * (VAS_RX_FIFO_SIZE_MAX). Using 4MB FIFO since each VAS
24  * 8MB FIFO can be used if expects more faults for each VAS
32 	unsigned long *fifo = entry;  in dump_fifo()  local
35 	pr_err("Fault fifo size %d, Max crbs %d\n", vinst->fault_fifo_size,  in dump_fifo()
38 	/* Dump 10 CRB entries or until end of FIFO */  in dump_fifo()
39 	pr_err("Fault FIFO Dump:\n");  in dump_fifo()
40 	for (i = 0; i < 10*(CRB_SIZE/8) && fifo < end; i += 4, fifo += 4) {  in dump_fifo()
42 			i, fifo, *fifo, *(fifo+1), *(fifo+2), *(fifo+3));  in dump_fifo()
47  * Process valid CRBs in fault FIFO.
52  * the following information and pastes CRB in fault FIFO.
59  * space and fault windows. This fault FIFO control will be done with
73 	void *fifo;  in vas_fault_thread_fn()  local
79 	 * valid CRBs within fault FIFO until reaches invalid CRB.  in vas_fault_thread_fn()
85 	 *		reading CRB from fault FIFO.  in vas_fault_thread_fn()
99 		 * Advance the fault fifo pointer to next CRB.  in vas_fault_thread_fn()
104 		fifo = vinst->fault_fifo + (vinst->fault_crbs * CRB_SIZE);  in vas_fault_thread_fn()
105 		entry = fifo;  in vas_fault_thread_fn()
119 		memcpy(crb, fifo, CRB_SIZE);  in vas_fault_thread_fn()
127 		pr_devel("VAS[%d] fault_fifo %p, fifo %p, fault_crbs %d\n",  in vas_fault_thread_fn()
128 				vinst->vas_id, vinst->fault_fifo, fifo,  in vas_fault_thread_fn()
145 			pr_err("VAS[%d] fault_fifo %p, fifo %p, pswid 0x%x, fault_crbs %d bad CRB?\n",  in vas_fault_thread_fn()
146 				vinst->vas_id, vinst->fault_fifo, fifo,  in vas_fault_thread_fn()
197  * FIFO upon page faults.
222 	 * Max creds is based on number of CRBs can fit in the FIFO.  in vas_setup_fault_window()
223 	 * (fault_fifo_size/CRB_SIZE). If 8MB FIFO is used, max creds  in vas_setup_fault_window()