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nvdimm, acpi: support NFIT platform capabilities

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Add a machine command line option to allow the user to control the Platform
Capabilities Structure in the virtualized NFIT.  This Platform Capabilities
Structure was added in ACPI 6.2 Errata A.

Signed-off-by: Ross Zwisler <ross.zwisler@linux.intel.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Ross Zwisler 2018-05-21 10:32:02 -06:00 • committed by Michael S. Tsirkin
parent 2e0c56cdde
commit 9ab3aad281
5 changed files with 105 additions and 4 deletions
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31
hw/i386/pc.c
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@ -2182,6 +2182,33 @@ static void pc_machine_set_nvdimm(Object *obj, bool value, Error **errp)
pcms->acpi_nvdimm_state.is_enabled = value;
}
static void pc_machine_get_nvdimm_capabilities(Object *obj, Visitor *v,
const char *name, void *opaque,
Error **errp)
{
PCMachineState *pcms = PC_MACHINE(obj);
uint32_t value = pcms->acpi_nvdimm_state.capabilities;
visit_type_uint32(v, name, &value, errp);
}
static void pc_machine_set_nvdimm_capabilities(Object *obj, Visitor *v,
const char *name, void *opaque,
Error **errp)
{
PCMachineState *pcms = PC_MACHINE(obj);
Error *error = NULL;
uint32_t value;
visit_type_uint32(v, name, &value, &error);
if (error) {
error_propagate(errp, error);
return;
}
pcms->acpi_nvdimm_state.capabilities = value;
}
static bool pc_machine_get_smbus(Object *obj, Error **errp)
{
PCMachineState *pcms = PC_MACHINE(obj);
@ -2395,6 +2422,10 @@ static void pc_machine_class_init(ObjectClass *oc, void *data)
object_class_property_add_bool(oc, PC_MACHINE_NVDIMM,
pc_machine_get_nvdimm, pc_machine_set_nvdimm, &error_abort);
object_class_property_add(oc, PC_MACHINE_NVDIMM_CAP, "uint32",
pc_machine_get_nvdimm_capabilities,
pc_machine_set_nvdimm_capabilities, NULL, NULL, &error_abort);
object_class_property_add_bool(oc, PC_MACHINE_SMBUS,
pc_machine_get_smbus, pc_machine_set_smbus, &error_abort);