Lines Matching defs:fault

350  * amdgpu_gmc_fault_key - get hask key from vm fault address and pasid
364  * @ih: interrupt ring that the fault received from
365  * @addr: address of the VM fault
366  * @pasid: PASID of the process causing the fault
367  * @timestamp: timestamp of the fault
370  * True if the fault was filtered and should not be processed further.
371  * False if the fault is a new one and needs to be handled.
379 	struct amdgpu_gmc_fault *fault;
382 	/* Stale retry fault if timestamp goes backward */
392 	/* Try to find the fault in the hash */
394 	fault = &gmc->fault_ring[gmc->fault_hash[hash].idx];
395 	while (fault->timestamp >= stamp) {
398 		if (atomic64_read(&fault->key) == key) {
400 			 * if we get a fault which is already present in
402 			 * the fault is after the expired timestamp,
403 			 * then this is a new fault that needs to be added
404 			 * into the fault ring.
406 			if (fault->timestamp_expiry != 0 &&
407 			    amdgpu_ih_ts_after(fault->timestamp_expiry,
414 		tmp = fault->timestamp;
415 		fault = &gmc->fault_ring[fault->next];
418 		if (fault->timestamp >= tmp)
422 	/* Add the fault to the ring */
423 	fault = &gmc->fault_ring[gmc->last_fault];
424 	atomic64_set(&fault->key, key);
425 	fault->timestamp = timestamp;
428 	fault->next = gmc->fault_hash[hash].idx;
437  * @addr: address of the VM fault
438  * @pasid: PASID of the process causing the fault
440  * Remove the address from fault filter, then future vm fault on this address
441  * will pass to retry fault handler to recover.
449 	struct amdgpu_gmc_fault *fault;
464 	fault = &gmc->fault_ring[gmc->fault_hash[hash].idx];
466 		if (atomic64_read(&fault->key) == key) {
468 			 * Update the timestamp when this fault
471 			fault->timestamp_expiry = last_ts;
475 		tmp = fault->timestamp;
476 		fault = &gmc->fault_ring[fault->next];
477 	} while (fault->timestamp < tmp);