Lines Matching refs:gpa
652 * Pin the guest page given by gpa and set hpa to the pinned host address.
656 * - -EINVAL if the gpa is not valid guest storage
658 static int pin_guest_page(struct kvm *kvm, gpa_t gpa, hpa_t *hpa)
662 page = gfn_to_page(kvm, gpa_to_gfn(gpa));
665 *hpa = (hpa_t)page_to_phys(page) + (gpa & ~PAGE_MASK);
670 static void unpin_guest_page(struct kvm *kvm, gpa_t gpa, hpa_t hpa)
674 mark_page_dirty(kvm, gpa_to_gfn(gpa));
739 gpa_t gpa;
742 gpa = READ_ONCE(scb_o->scaol) & ~0xfUL;
744 gpa |= (u64) READ_ONCE(scb_o->scaoh) << 32;
745 if (gpa) {
746 if (gpa < 2 * PAGE_SIZE)
748 else if ((gpa & ~0x1fffUL) == kvm_s390_get_prefix(vcpu))
750 else if ((gpa & PAGE_MASK) !=
751 ((gpa + sizeof(struct bsca_block) - 1) & PAGE_MASK))
754 rc = pin_guest_page(vcpu->kvm, gpa, &hpa);
760 vsie_page->sca_gpa = gpa;
765 gpa = READ_ONCE(scb_o->itdba) & ~0xffUL;
766 if (gpa && (scb_s->ecb & ECB_TE)) {
767 if (gpa < 2 * PAGE_SIZE) {
772 rc = pin_guest_page(vcpu->kvm, gpa, &hpa);
777 vsie_page->itdba_gpa = gpa;
781 gpa = READ_ONCE(scb_o->gvrd) & ~0x1ffUL;
782 if (gpa && (scb_s->eca & ECA_VX) && !(scb_s->ecd & ECD_HOSTREGMGMT)) {
783 if (gpa < 2 * PAGE_SIZE) {
791 rc = pin_guest_page(vcpu->kvm, gpa, &hpa);
796 vsie_page->gvrd_gpa = gpa;
800 gpa = READ_ONCE(scb_o->riccbd) & ~0x3fUL;
801 if (gpa && (scb_s->ecb3 & ECB3_RI)) {
802 if (gpa < 2 * PAGE_SIZE) {
807 rc = pin_guest_page(vcpu->kvm, gpa, &hpa);
813 vsie_page->riccbd_gpa = gpa;
820 gpa = READ_ONCE(scb_o->sdnxo) & ~0xfUL;
822 if (!gpa || gpa < 2 * PAGE_SIZE) {
830 if (gpa & ((1 << sdnxc) - 1)) {
837 rc = pin_guest_page(vcpu->kvm, gpa, &hpa);
842 vsie_page->sdnx_gpa = gpa;
853 gpa_t gpa)
858 unpin_guest_page(vcpu->kvm, gpa, hpa);
863 * Pin the scb at gpa provided by guest 2 at vsie_page->scb_o.
869 gpa_t gpa)
874 rc = pin_guest_page(vcpu->kvm, gpa, &hpa);