44 static u16 kvmppc_sid_hash(struct kvm_vcpu *vcpu, u64 gvsid)  in kvmppc_sid_hash()  argument
46 	return (u16)(((gvsid >> (SID_MAP_BITS * 7)) & SID_MAP_MASK) ^  in kvmppc_sid_hash()
47 		     ((gvsid >> (SID_MAP_BITS * 6)) & SID_MAP_MASK) ^  in kvmppc_sid_hash()
48 		     ((gvsid >> (SID_MAP_BITS * 5)) & SID_MAP_MASK) ^  in kvmppc_sid_hash()
49 		     ((gvsid >> (SID_MAP_BITS * 4)) & SID_MAP_MASK) ^  in kvmppc_sid_hash()
50 		     ((gvsid >> (SID_MAP_BITS * 3)) & SID_MAP_MASK) ^  in kvmppc_sid_hash()
51 		     ((gvsid >> (SID_MAP_BITS * 2)) & SID_MAP_MASK) ^  in kvmppc_sid_hash()
52 		     ((gvsid >> (SID_MAP_BITS * 1)) & SID_MAP_MASK) ^  in kvmppc_sid_hash()
53 		     ((gvsid >> (SID_MAP_BITS * 0)) & SID_MAP_MASK));  in kvmppc_sid_hash()
57 static struct kvmppc_sid_map *find_sid_vsid(struct kvm_vcpu *vcpu, u64 gvsid)  in find_sid_vsid()  argument
63 		gvsid |= VSID_PR;  in find_sid_vsid()
65 	sid_map_mask = kvmppc_sid_hash(vcpu, gvsid);  in find_sid_vsid()
67 	if (map->valid && (map->guest_vsid == gvsid)) {  in find_sid_vsid()
68 		trace_kvm_book3s_slb_found(gvsid, map->host_vsid);  in find_sid_vsid()
73 	if (map->valid && (map->guest_vsid == gvsid)) {  in find_sid_vsid()
74 		trace_kvm_book3s_slb_found(gvsid, map->host_vsid);  in find_sid_vsid()
78 	trace_kvm_book3s_slb_fail(sid_map_mask, gvsid);  in find_sid_vsid()
228 static struct kvmppc_sid_map *create_sid_map(struct kvm_vcpu *vcpu, u64 gvsid)  in create_sid_map()  argument
236 		gvsid |= VSID_PR;  in create_sid_map()
241 	sid_map_mask = kvmppc_sid_hash(vcpu, gvsid);  in create_sid_map()
260 	map->guest_vsid = gvsid;  in create_sid_map()
263 	trace_kvm_book3s_slb_map(sid_map_mask, gvsid, map->host_vsid);  in create_sid_map()
315 	u64 gvsid;  in kvmppc_mmu_map_segment()  local
322 	if (vcpu->arch.mmu.esid_to_vsid(vcpu, esid, &gvsid)) {  in kvmppc_mmu_map_segment()
329 	map = find_sid_vsid(vcpu, gvsid);  in kvmppc_mmu_map_segment()
331 		map = create_sid_map(vcpu, gvsid);  in kvmppc_mmu_map_segment()
341 	if (gvsid & VSID_64K)  in kvmppc_mmu_map_segment()