643 static int pin_guest_page(struct kvm *kvm, gpa_t gpa, hpa_t *hpa)  in pin_guest_page()  argument
647 	page = gfn_to_page(kvm, gpa_to_gfn(gpa));  in pin_guest_page()
650 	*hpa = (hpa_t) page_to_virt(page) + (gpa & ~PAGE_MASK);  in pin_guest_page()
655 static void unpin_guest_page(struct kvm *kvm, gpa_t gpa, hpa_t hpa)  in unpin_guest_page()  argument
659 	mark_page_dirty(kvm, gpa_to_gfn(gpa));  in unpin_guest_page()
724 	gpa_t gpa;  in pin_blocks()  local
727 	gpa = READ_ONCE(scb_o->scaol) & ~0xfUL;  in pin_blocks()
729 		gpa |= (u64) READ_ONCE(scb_o->scaoh) << 32;  in pin_blocks()
730 	if (gpa) {  in pin_blocks()
731 		if (gpa < 2 * PAGE_SIZE)  in pin_blocks()
733 		else if ((gpa & ~0x1fffUL) == kvm_s390_get_prefix(vcpu))  in pin_blocks()
735 		else if ((gpa & PAGE_MASK) !=  in pin_blocks()
736 			 ((gpa + sizeof(struct bsca_block) - 1) & PAGE_MASK))  in pin_blocks()
739 			rc = pin_guest_page(vcpu->kvm, gpa, &hpa);  in pin_blocks()
745 		vsie_page->sca_gpa = gpa;  in pin_blocks()
750 	gpa = READ_ONCE(scb_o->itdba) & ~0xffUL;  in pin_blocks()
751 	if (gpa && (scb_s->ecb & ECB_TE)) {  in pin_blocks()
752 		if (gpa < 2 * PAGE_SIZE) {  in pin_blocks()
757 		rc = pin_guest_page(vcpu->kvm, gpa, &hpa);  in pin_blocks()
762 		vsie_page->itdba_gpa = gpa;  in pin_blocks()
766 	gpa = READ_ONCE(scb_o->gvrd) & ~0x1ffUL;  in pin_blocks()
767 	if (gpa && (scb_s->eca & ECA_VX) && !(scb_s->ecd & ECD_HOSTREGMGMT)) {  in pin_blocks()
768 		if (gpa < 2 * PAGE_SIZE) {  in pin_blocks()
776 		rc = pin_guest_page(vcpu->kvm, gpa, &hpa);  in pin_blocks()
781 		vsie_page->gvrd_gpa = gpa;  in pin_blocks()
785 	gpa = READ_ONCE(scb_o->riccbd) & ~0x3fUL;  in pin_blocks()
786 	if (gpa && (scb_s->ecb3 & ECB3_RI)) {  in pin_blocks()
787 		if (gpa < 2 * PAGE_SIZE) {  in pin_blocks()
792 		rc = pin_guest_page(vcpu->kvm, gpa, &hpa);  in pin_blocks()
798 		vsie_page->riccbd_gpa = gpa;  in pin_blocks()
805 		gpa = READ_ONCE(scb_o->sdnxo) & ~0xfUL;  in pin_blocks()
807 		if (!gpa || gpa < 2 * PAGE_SIZE) {  in pin_blocks()
815 		if (gpa & ((1 << sdnxc) - 1)) {  in pin_blocks()
822 		rc = pin_guest_page(vcpu->kvm, gpa, &hpa);  in pin_blocks()
827 		vsie_page->sdnx_gpa = gpa;  in pin_blocks()
838 		      gpa_t gpa)  in unpin_scb()  argument
843 		unpin_guest_page(vcpu->kvm, gpa, hpa);  in unpin_scb()
854 		   gpa_t gpa)  in pin_scb()  argument
859 	rc = pin_guest_page(vcpu->kvm, gpa, &hpa);  in pin_scb()