Lines Matching defs:fault

66 			u8  fault;
68 		} **fault;
160 	 * page fault) and maybe some other commands.
379 /* Issue fault replay for GPU to retry accesses that faulted previously. */
390 /* Cancel a replayable fault that could not be handled.
392  * Cancelling the fault will trigger recovery to reset the engine
412 			       struct nouveau_svm_fault *fault)
414 	nouveau_svm_fault_cancel(svm, fault->inst,
415 				      fault->hub,
416 				      fault->gpc,
417 				      fault->client);
421 nouveau_svm_fault_priority(u8 fault)
423 	switch (fault) {
469 	struct nouveau_svm_fault *fault;
477 	if (!buffer->fault[buffer->fault_nr]) {
478 		fault = kmalloc(sizeof(*fault), GFP_KERNEL);
479 		if (WARN_ON(!fault)) {
483 		buffer->fault[buffer->fault_nr] = fault;
486 	fault = buffer->fault[buffer->fault_nr++];
487 	fault->inst   = inst;
488 	fault->addr   = (u64)addrhi << 32 | addrlo;
489 	fault->time   = (u64)timehi << 32 | timelo;
490 	fault->engine = engine;
491 	fault->gpc    = gpc;
492 	fault->hub    = hub;
493 	fault->access = (info & 0x000f0000) >> 16;
494 	fault->client = client;
495 	fault->fault  = (info & 0x0000001f);
497 	SVM_DBG(svm, "fault %016llx %016llx %02x",
498 		fault->inst, fault->addr, fault->access);
660 	/* Have HMM fault pages within the fault window to the GPU. */
729 	/* Parse available fault buffer entries into a cache, and update
732 	SVM_DBG(svm, "fault handler");
748 	SVM_DBG(svm, "%d fault(s) pending", buffer->fault_nr);
754 	sort(buffer->fault, buffer->fault_nr, sizeof(*buffer->fault),
760 		if (!svmm || buffer->fault[fi]->inst != inst) {
762 				nouveau_ivmm_find(svm, buffer->fault[fi]->inst);
764 			inst = buffer->fault[fi]->inst;
767 		buffer->fault[fi]->svmm = svmm;
783 		if (!(svmm = buffer->fault[fi]->svmm)) {
784 			nouveau_svm_fault_cancel_fault(svm, buffer->fault[fi]);
787 		SVMM_DBG(svmm, "addr %016llx", buffer->fault[fi]->addr);
792 		start = buffer->fault[fi]->addr;
799 		 * fault window, determining required pages and access
806 		 * Determine required permissions based on GPU fault
809 		switch (buffer->fault[fi]->access) {
826 			nouveau_svm_fault_cancel_fault(svm, buffer->fault[fi]);
850 			 * fault addresses have sufficient access permission.
852 			if (buffer->fault[fn]->svmm != svmm ||
853 			    buffer->fault[fn]->addr >= limit ||
854 			    (buffer->fault[fi]->access == FAULT_ACCESS_READ &&
856 			    (buffer->fault[fi]->access != FAULT_ACCESS_READ &&
857 			     buffer->fault[fi]->access != FAULT_ACCESS_PREFETCH &&
859 			    (buffer->fault[fi]->access != FAULT_ACCESS_READ &&
860 			     buffer->fault[fi]->access != FAULT_ACCESS_WRITE &&
861 			     buffer->fault[fi]->access != FAULT_ACCESS_PREFETCH &&
869 				struct nouveau_svm_fault *fault =
870 					buffer->fault[fi++];
872 				nouveau_svm_fault_cancel_fault(svm, fault);
878 	/* Issue fault replay to the GPU. */
972 	if (buffer->fault) {
973 		for (i = 0; buffer->fault[i] && i < buffer->entries; i++)
974 			kfree(buffer->fault[i]);
975 		kvfree(buffer->fault);
1011 	buffer->fault = kvcalloc(buffer->entries, sizeof(*buffer->fault), GFP_KERNEL);
1012 	if (!buffer->fault)
1073 		SVM_DBG(svm, "No supported fault buffer class");