ppc_hash64_filter_pagesizes(cpu, spapr_pagesize_cb, &maxshift);
}
+static void cap_nested_kvm_hv_apply(sPAPRMachineState *spapr,
+ uint8_t val, Error **errp)
+{
+ if (!val) {
+ /* capability disabled by default */
+ return;
+ }
+
+ if (tcg_enabled()) {
+ error_setg(errp,
+ "No Nested KVM-HV support in tcg, try cap-nested-hv=off");
+ } else if (kvm_enabled()) {
+ if (!kvmppc_has_cap_nested_kvm_hv()) {
+ error_setg(errp,
+"KVM implementation does not support Nested KVM-HV, try cap-nested-hv=off");
+ } else if (kvmppc_set_cap_nested_kvm_hv(val) < 0) {
+ error_setg(errp,
+"Error enabling cap-nested-hv with KVM, try cap-nested-hv=off");
+ }
+ }
+}
+
sPAPRCapabilityInfo capability_table[SPAPR_CAP_NUM] = {
[SPAPR_CAP_HTM] = {
.name = "htm",
.apply = cap_hpt_maxpagesize_apply,
.cpu_apply = cap_hpt_maxpagesize_cpu_apply,
},
+ [SPAPR_CAP_NESTED_KVM_HV] = {
+ .name = "nested-hv",
+ .description = "Allow Nested KVM-HV",
+ .index = SPAPR_CAP_NESTED_KVM_HV,
+ .get = spapr_cap_get_bool,
+ .set = spapr_cap_set_bool,
+ .type = "bool",
+ .apply = cap_nested_kvm_hv_apply,
+ },
};
static sPAPRCapabilities default_caps_with_cpu(sPAPRMachineState *spapr,
SPAPR_CAP_MIG_STATE(cfpc, SPAPR_CAP_CFPC);
SPAPR_CAP_MIG_STATE(sbbc, SPAPR_CAP_SBBC);
SPAPR_CAP_MIG_STATE(ibs, SPAPR_CAP_IBS);
+SPAPR_CAP_MIG_STATE(nested_kvm_hv, SPAPR_CAP_NESTED_KVM_HV);
void spapr_caps_init(sPAPRMachineState *spapr)
{