641 static int pin_guest_page(struct kvm *kvm, gpa_t gpa, hpa_t *hpa)  in pin_guest_page()  argument
645 	page = gfn_to_page(kvm, gpa_to_gfn(gpa));  in pin_guest_page()
648 	*hpa = (hpa_t) page_to_virt(page) + (gpa & ~PAGE_MASK);  in pin_guest_page()
653 static void unpin_guest_page(struct kvm *kvm, gpa_t gpa, hpa_t hpa)  in unpin_guest_page()  argument
657 	mark_page_dirty(kvm, gpa_to_gfn(gpa));  in unpin_guest_page()
722 	gpa_t gpa;  in pin_blocks()  local
725 	gpa = READ_ONCE(scb_o->scaol) & ~0xfUL;  in pin_blocks()
727 		gpa |= (u64) READ_ONCE(scb_o->scaoh) << 32;  in pin_blocks()
728 	if (gpa) {  in pin_blocks()
729 		if (gpa < 2 * PAGE_SIZE)  in pin_blocks()
731 		else if ((gpa & ~0x1fffUL) == kvm_s390_get_prefix(vcpu))  in pin_blocks()
733 		else if ((gpa & PAGE_MASK) !=  in pin_blocks()
734 			 ((gpa + sizeof(struct bsca_block) - 1) & PAGE_MASK))  in pin_blocks()
737 			rc = pin_guest_page(vcpu->kvm, gpa, &hpa);  in pin_blocks()
743 		vsie_page->sca_gpa = gpa;  in pin_blocks()
748 	gpa = READ_ONCE(scb_o->itdba) & ~0xffUL;  in pin_blocks()
749 	if (gpa && (scb_s->ecb & ECB_TE)) {  in pin_blocks()
750 		if (gpa < 2 * PAGE_SIZE) {  in pin_blocks()
755 		rc = pin_guest_page(vcpu->kvm, gpa, &hpa);  in pin_blocks()
760 		vsie_page->itdba_gpa = gpa;  in pin_blocks()
764 	gpa = READ_ONCE(scb_o->gvrd) & ~0x1ffUL;  in pin_blocks()
765 	if (gpa && (scb_s->eca & ECA_VX) && !(scb_s->ecd & ECD_HOSTREGMGMT)) {  in pin_blocks()
766 		if (gpa < 2 * PAGE_SIZE) {  in pin_blocks()
774 		rc = pin_guest_page(vcpu->kvm, gpa, &hpa);  in pin_blocks()
779 		vsie_page->gvrd_gpa = gpa;  in pin_blocks()
783 	gpa = READ_ONCE(scb_o->riccbd) & ~0x3fUL;  in pin_blocks()
784 	if (gpa && (scb_s->ecb3 & ECB3_RI)) {  in pin_blocks()
785 		if (gpa < 2 * PAGE_SIZE) {  in pin_blocks()
790 		rc = pin_guest_page(vcpu->kvm, gpa, &hpa);  in pin_blocks()
796 		vsie_page->riccbd_gpa = gpa;  in pin_blocks()
803 		gpa = READ_ONCE(scb_o->sdnxo) & ~0xfUL;  in pin_blocks()
805 		if (!gpa || gpa < 2 * PAGE_SIZE) {  in pin_blocks()
813 		if (gpa & ((1 << sdnxc) - 1)) {  in pin_blocks()
820 		rc = pin_guest_page(vcpu->kvm, gpa, &hpa);  in pin_blocks()
825 		vsie_page->sdnx_gpa = gpa;  in pin_blocks()
836 		      gpa_t gpa)  in unpin_scb()  argument
841 		unpin_guest_page(vcpu->kvm, gpa, hpa);  in unpin_scb()
852 		   gpa_t gpa)  in pin_scb()  argument
857 	rc = pin_guest_page(vcpu->kvm, gpa, &hpa);  in pin_scb()