diff options
Diffstat (limited to 'hw')
| -rw-r--r-- | hw/i386/pc.c | 51 | ||||
| -rw-r--r-- | hw/i386/pc_piix.c | 7 | ||||
| -rw-r--r-- | hw/i386/pc_q35.c | 6 |
3 files changed, 62 insertions, 2 deletions
diff --git a/hw/i386/pc.c b/hw/i386/pc.c index a66416d188..7959b44b6b 100644 --- a/hw/i386/pc.c +++ b/hw/i386/pc.c @@ -1768,6 +1768,48 @@ static void pc_machine_set_vmport(Object *obj, Visitor *v, void *opaque, visit_type_OnOffAuto(v, &pcms->vmport, name, errp); } +bool pc_machine_is_smm_enabled(PCMachineState *pcms) +{ + bool smm_available = false; + + if (pcms->smm == ON_OFF_AUTO_OFF) { + return false; + } + + if (tcg_enabled() || qtest_enabled()) { + smm_available = true; + } else if (kvm_enabled()) { + smm_available = kvm_has_smm(); + } + + if (smm_available) { + return true; + } + + if (pcms->smm == ON_OFF_AUTO_ON) { + error_report("System Management Mode not supported by this hypervisor."); + exit(1); + } + return false; +} + +static void pc_machine_get_smm(Object *obj, Visitor *v, void *opaque, + const char *name, Error **errp) +{ + PCMachineState *pcms = PC_MACHINE(obj); + OnOffAuto smm = pcms->smm; + + visit_type_OnOffAuto(v, &smm, name, errp); +} + +static void pc_machine_set_smm(Object *obj, Visitor *v, void *opaque, + const char *name, Error **errp) +{ + PCMachineState *pcms = PC_MACHINE(obj); + + visit_type_OnOffAuto(v, &pcms->smm, name, errp); +} + static bool pc_machine_get_aligned_dimm(Object *obj, Error **errp) { PCMachineState *pcms = PC_MACHINE(obj); @@ -1792,6 +1834,15 @@ static void pc_machine_initfn(Object *obj) "Maximum ram below the 4G boundary (32bit boundary)", NULL); + pcms->smm = ON_OFF_AUTO_AUTO; + object_property_add(obj, PC_MACHINE_SMM, "OnOffAuto", + pc_machine_get_smm, + pc_machine_set_smm, + NULL, NULL, NULL); + object_property_set_description(obj, PC_MACHINE_SMM, + "Enable SMM (pc & q35)", + NULL); + pcms->vmport = ON_OFF_AUTO_AUTO; object_property_add(obj, PC_MACHINE_VMPORT, "OnOffAuto", pc_machine_get_vmport, diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c index 8d0313ecd6..56cdcb9661 100644 --- a/hw/i386/pc_piix.c +++ b/hw/i386/pc_piix.c @@ -287,7 +287,8 @@ static void pc_init1(MachineState *machine) /* TODO: Populate SPD eeprom data. */ smbus = piix4_pm_init(pci_bus, piix3_devfn + 3, 0xb100, gsi[9], smi_irq, - !kvm_enabled(), &piix4_pm); + pc_machine_is_smm_enabled(pc_machine), + &piix4_pm); smbus_eeprom_init(smbus, 8, NULL, 0); object_property_add_link(OBJECT(machine), PC_MACHINE_ACPI_DEVICE_PROP, @@ -306,7 +307,11 @@ static void pc_init1(MachineState *machine) static void pc_compat_2_3(MachineState *machine) { + PCMachineState *pcms = PC_MACHINE(machine); savevm_skip_section_footers(); + if (kvm_enabled()) { + pcms->smm = ON_OFF_AUTO_OFF; + } } static void pc_compat_2_2(MachineState *machine) diff --git a/hw/i386/pc_q35.c b/hw/i386/pc_q35.c index b0bf2d0525..8aa3a67fdf 100644 --- a/hw/i386/pc_q35.c +++ b/hw/i386/pc_q35.c @@ -253,7 +253,7 @@ static void pc_q35_init(MachineState *machine) (pc_machine->vmport != ON_OFF_AUTO_ON), 0xff0104); /* connect pm stuff to lpc */ - ich9_lpc_pm_init(lpc, !kvm_enabled()); + ich9_lpc_pm_init(lpc, pc_machine_is_smm_enabled(pc_machine)); /* ahci and SATA device, for q35 1 ahci controller is built-in */ ahci = pci_create_simple_multifunction(host_bus, @@ -290,7 +290,11 @@ static void pc_q35_init(MachineState *machine) static void pc_compat_2_3(MachineState *machine) { + PCMachineState *pcms = PC_MACHINE(machine); savevm_skip_section_footers(); + if (kvm_enabled()) { + pcms->smm = ON_OFF_AUTO_OFF; + } } static void pc_compat_2_2(MachineState *machine) |