Lines Matching refs:gpa
637 * Pin the guest page given by gpa and set hpa to the pinned host address.
641 * - -EINVAL if the gpa is not valid guest storage
643 static int pin_guest_page(struct kvm *kvm, gpa_t gpa, hpa_t *hpa)
647 page = gfn_to_page(kvm, gpa_to_gfn(gpa));
650 *hpa = (hpa_t) page_to_virt(page) + (gpa & ~PAGE_MASK);
655 static void unpin_guest_page(struct kvm *kvm, gpa_t gpa, hpa_t hpa)
659 mark_page_dirty(kvm, gpa_to_gfn(gpa));
724 gpa_t gpa;
727 gpa = READ_ONCE(scb_o->scaol) & ~0xfUL;
729 gpa |= (u64) READ_ONCE(scb_o->scaoh) << 32;
730 if (gpa) {
731 if (gpa < 2 * PAGE_SIZE)
733 else if ((gpa & ~0x1fffUL) == kvm_s390_get_prefix(vcpu))
735 else if ((gpa & PAGE_MASK) !=
736 ((gpa + sizeof(struct bsca_block) - 1) & PAGE_MASK))
739 rc = pin_guest_page(vcpu->kvm, gpa, &hpa);
745 vsie_page->sca_gpa = gpa;
750 gpa = READ_ONCE(scb_o->itdba) & ~0xffUL;
751 if (gpa && (scb_s->ecb & ECB_TE)) {
752 if (gpa < 2 * PAGE_SIZE) {
757 rc = pin_guest_page(vcpu->kvm, gpa, &hpa);
762 vsie_page->itdba_gpa = gpa;
766 gpa = READ_ONCE(scb_o->gvrd) & ~0x1ffUL;
767 if (gpa && (scb_s->eca & ECA_VX) && !(scb_s->ecd & ECD_HOSTREGMGMT)) {
768 if (gpa < 2 * PAGE_SIZE) {
776 rc = pin_guest_page(vcpu->kvm, gpa, &hpa);
781 vsie_page->gvrd_gpa = gpa;
785 gpa = READ_ONCE(scb_o->riccbd) & ~0x3fUL;
786 if (gpa && (scb_s->ecb3 & ECB3_RI)) {
787 if (gpa < 2 * PAGE_SIZE) {
792 rc = pin_guest_page(vcpu->kvm, gpa, &hpa);
798 vsie_page->riccbd_gpa = gpa;
805 gpa = READ_ONCE(scb_o->sdnxo) & ~0xfUL;
807 if (!gpa || gpa < 2 * PAGE_SIZE) {
815 if (gpa & ((1 << sdnxc) - 1)) {
822 rc = pin_guest_page(vcpu->kvm, gpa, &hpa);
827 vsie_page->sdnx_gpa = gpa;
838 gpa_t gpa)
843 unpin_guest_page(vcpu->kvm, gpa, hpa);
848 * Pin the scb at gpa provided by guest 2 at vsie_page->scb_o.
854 gpa_t gpa)
859 rc = pin_guest_page(vcpu->kvm, gpa, &hpa);