s390/kvm/gaccess.c

20 union asce {
259 	unsigned long asce   : 64; /* Address-Space-Control Element */
380 static int ar_translation(struct kvm_vcpu *vcpu, union asce *asce, u8 ar,
399 		asce->val = vcpu->arch.sie_block->gcr[1];
402 		asce->val = vcpu->arch.sie_block->gcr[7];
466 	asce->val = aste.asce;
556 static int get_vcpu_asce(struct kvm_vcpu *vcpu, union asce *asce,
563 		asce->val = 0;
564 		asce->r = 1;
573 		asce->val = vcpu->arch.sie_block->gcr[1];
576 		asce->val = vcpu->arch.sie_block->gcr[7];
579 		asce->val = vcpu->arch.sie_block->gcr[13];
582 		rc = ar_translation(vcpu, asce, ar, mode);
600  * @asce: effective asce
617 				     unsigned long *gpa, const union asce asce,
633 	if (asce.r)
635 	ptr = asce.origin * PAGE_SIZE;
636 	switch (asce.dt) {
638 		if (vaddr.rfx01 > asce.tl)
645 		if (vaddr.rsx01 > asce.tl)
652 		if (vaddr.rtx01 > asce.tl)
659 		if (vaddr.sx01 > asce.tl)
664 	switch (asce.dt) {
712 		if (rtte.cr && asce.p && edat2)
740 		if (ste.cs && asce.p)
787 					  const union asce asce)
794 	if (psw_bits(*psw).dat && asce.p)
829 					   union asce asce)
839 		override = override && !(psw_bits(*psw).dat && asce.p);
863 				 enum gacc_mode mode, union asce asce, gpa_t gpa,
891 		if (fetch_prot_override_applicable(vcpu, mode, asce) &&
909  * @asce: address-space-control element to use for translation
916  * The translation is performed as if done by the cpu for the given @asce, @ar,
938 			       const union asce asce, enum gacc_mode mode,
948 	lap_enabled = low_address_protection_enabled(vcpu, asce);
956 			rc = guest_translate(vcpu, ga, &gpa, asce, mode, &prot);
968 		rc = vcpu_check_access_key(vcpu, access_key, mode, asce, gpa, ga,
1060 	union asce asce;
1068 	rc = get_vcpu_asce(vcpu, &asce, ga, ar, mode);
1077 	try_fetch_prot_override = fetch_prot_override_applicable(vcpu, mode, asce);
1079 	need_ipte_lock = psw_bits(*psw).dat && !asce.r;
1092 	rc = guest_range_to_gpas(vcpu, ga, ar, gpas, len, asce, mode, 0);
1276 	union asce asce;
1280 	rc = get_vcpu_asce(vcpu, &asce, gva, ar, mode);
1283 	return guest_range_to_gpas(vcpu, gva, ar, gpa, 1, asce, mode,
1299 	union asce asce;
1302 	rc = get_vcpu_asce(vcpu, &asce, gva, ar, mode);
1306 	rc = guest_range_to_gpas(vcpu, gva, ar, NULL, length, asce, mode,
1371 	union asce asce;
1381 	asce.val = sg->orig_asce;
1382 	ptr = asce.origin * PAGE_SIZE;
1383 	if (asce.r) {
1386 		asce.dt = ASCE_TYPE_REGION1;
1388 	switch (asce.dt) {
1390 		if (vaddr.rfx01 > asce.tl && !*fake)
1396 		if (vaddr.rsx01 > asce.tl)
1402 		if (vaddr.rtx01 > asce.tl)
1408 		if (vaddr.sx01 > asce.tl)
1413 	switch (asce.dt) {
1487 		if (rtte.cr && asce.p && sg->edat_level >= 2)
1525 		if (ste.cs && asce.p)