diff options
Diffstat (limited to 'hw/ppc/spapr_caps.c')
| -rw-r--r-- | hw/ppc/spapr_caps.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/hw/ppc/spapr_caps.c b/hw/ppc/spapr_caps.c index d0c419b392..ed7c077a0d 100644 --- a/hw/ppc/spapr_caps.c +++ b/hw/ppc/spapr_caps.c @@ -582,6 +582,37 @@ static void cap_fwnmi_apply(SpaprMachineState *spapr, uint8_t val, } } +static void cap_rpt_invalidate_apply(SpaprMachineState *spapr, + uint8_t val, Error **errp) +{ + ERRP_GUARD(); + + if (!val) { + /* capability disabled by default */ + return; + } + + if (tcg_enabled()) { + error_setg(errp, "No H_RPT_INVALIDATE support in TCG"); + error_append_hint(errp, + "Try appending -machine cap-rpt-invalidate=off\n"); + } else if (kvm_enabled()) { + if (!kvmppc_has_cap_mmu_radix()) { + error_setg(errp, "H_RPT_INVALIDATE only supported on Radix"); + return; + } + + if (!kvmppc_has_cap_rpt_invalidate()) { + error_setg(errp, + "KVM implementation does not support H_RPT_INVALIDATE"); + error_append_hint(errp, + "Try appending -machine cap-rpt-invalidate=off\n"); + } else { + kvmppc_enable_h_rpt_invalidate(); + } + } +} + SpaprCapabilityInfo capability_table[SPAPR_CAP_NUM] = { [SPAPR_CAP_HTM] = { .name = "htm", @@ -690,6 +721,15 @@ SpaprCapabilityInfo capability_table[SPAPR_CAP_NUM] = { .type = "bool", .apply = cap_fwnmi_apply, }, + [SPAPR_CAP_RPT_INVALIDATE] = { + .name = "rpt-invalidate", + .description = "Allow H_RPT_INVALIDATE", + .index = SPAPR_CAP_RPT_INVALIDATE, + .get = spapr_cap_get_bool, + .set = spapr_cap_set_bool, + .type = "bool", + .apply = cap_rpt_invalidate_apply, + }, }; static SpaprCapabilities default_caps_with_cpu(SpaprMachineState *spapr, @@ -830,6 +870,7 @@ SPAPR_CAP_MIG_STATE(nested_kvm_hv, SPAPR_CAP_NESTED_KVM_HV); SPAPR_CAP_MIG_STATE(large_decr, SPAPR_CAP_LARGE_DECREMENTER); SPAPR_CAP_MIG_STATE(ccf_assist, SPAPR_CAP_CCF_ASSIST); SPAPR_CAP_MIG_STATE(fwnmi, SPAPR_CAP_FWNMI); +SPAPR_CAP_MIG_STATE(rpt_invalidate, SPAPR_CAP_RPT_INVALIDATE); void spapr_caps_init(SpaprMachineState *spapr) { |