powerpc/kvm/book3s_64_mmu_hv.c

206 void kvmppc_map_vrma(struct kvm_vcpu *vcpu, struct kvm_memory_slot *memslot,
220 	npages = memslot->npages >> (porder - PAGE_SHIFT);
516 	struct kvm_memory_slot *memslot;
579 	memslot = gfn_to_memslot(kvm, gfn);
581 	trace_kvm_page_fault_enter(vcpu, hpte, memslot, ea, dsisr);
583 	/* No memslot means it's an emulated MMIO region */
584 	if (!memslot || (memslot->flags & KVM_MEMSLOT_INVALID))
592 	if (gfn_base < memslot->base_gfn)
604 	hva = gfn_to_hva_memslot(memslot, gfn);
616 		pfn = __gfn_to_pfn_memslot(memslot, gfn, false, false, NULL,
706 	rmap = &memslot->arch.rmap[gfn_base - memslot->base_gfn];
759 	struct kvm_memory_slot *memslot;
764 	kvm_for_each_memslot(memslot, bkt, slots) {
771 		memset(memslot->arch.rmap, 0,
772 		       memslot->npages * sizeof(*memslot->arch.rmap));
780 			      struct kvm_memory_slot *memslot,
812 		if ((rcbits & HPTE_R_C) && memslot->dirty_bitmap)
813 			kvmppc_update_dirty_map(memslot, gfn, psize);
821 static void kvm_unmap_rmapp(struct kvm *kvm, struct kvm_memory_slot *memslot,
828 	rmapp = &memslot->arch.rmap[gfn - memslot->base_gfn];
851 		kvmppc_unmap_hpte(kvm, i, memslot, rmapp, gfn);
873 				  struct kvm_memory_slot *memslot)
879 	gfn = memslot->base_gfn;
880 	rmapp = memslot->arch.rmap;
882 		kvmppc_radix_flush_memslot(kvm, memslot);
886 	for (n = memslot->npages; n; --n, ++gfn) {
889 		 * the memslot has been marked invalid already, and hence
894 			kvm_unmap_rmapp(kvm, memslot, gfn);
899 static bool kvm_age_rmapp(struct kvm *kvm, struct kvm_memory_slot *memslot,
908 	rmapp = &memslot->arch.rmap[gfn - memslot->base_gfn];
970 static bool kvm_test_age_rmapp(struct kvm *kvm, struct kvm_memory_slot *memslot,
979 	rmapp = &memslot->arch.rmap[gfn - memslot->base_gfn];
1116 			      struct kvm_memory_slot *memslot,
1124 	if (gfn < memslot->base_gfn ||
1125 	    gfn >= memslot->base_gfn + memslot->npages)
1130 		__set_bit_le(gfn - memslot->base_gfn, map);
1134 			struct kvm_memory_slot *memslot, unsigned long *map)
1140 	rmapp = memslot->arch.rmap;
1141 	for (i = 0; i < memslot->npages; ++i) {
1159 	struct kvm_memory_slot *memslot;
1167 	memslot = gfn_to_memslot(kvm, gfn);
1168 	if (!memslot || (memslot->flags & KVM_MEMSLOT_INVALID))
1170 	hva = gfn_to_hva_memslot(memslot, gfn);
1191 	struct kvm_memory_slot *memslot;
1200 	/* We need to mark this page dirty in the memslot dirty_bitmap, if any */
1203 	memslot = gfn_to_memslot(kvm, gfn);
1204 	if (memslot && memslot->dirty_bitmap)
1205 		set_bit_le(gfn - memslot->base_gfn, memslot->dirty_bitmap);
1278 		struct kvm_memory_slot *memslot =
1281 		if (memslot) {
1283 			rmapp = &memslot->arch.rmap[gfn - memslot->base_gfn];
1286 			kvmppc_unmap_hpte(kvm, idx, memslot, rmapp, gfn);