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-rw-r--r--hw/acpi/nvdimm.c7
-rw-r--r--hw/mem/nvdimm.c26
2 files changed, 33 insertions, 0 deletions
diff --git a/hw/acpi/nvdimm.c b/hw/acpi/nvdimm.c
index 6ceea196e7..59d6e4254c 100644
--- a/hw/acpi/nvdimm.c
+++ b/hw/acpi/nvdimm.c
@@ -138,6 +138,8 @@ struct NvdimmNfitMemDev {
} QEMU_PACKED;
typedef struct NvdimmNfitMemDev NvdimmNfitMemDev;
+#define ACPI_NFIT_MEM_NOT_ARMED (1 << 3)
+
/*
* NVDIMM Control Region Structure
*
@@ -284,6 +286,7 @@ static void
nvdimm_build_structure_memdev(GArray *structures, DeviceState *dev)
{
NvdimmNfitMemDev *nfit_memdev;
+ NVDIMMDevice *nvdimm = NVDIMM(OBJECT(dev));
uint64_t size = object_property_get_uint(OBJECT(dev), PC_DIMM_SIZE_PROP,
NULL);
int slot = object_property_get_int(OBJECT(dev), PC_DIMM_SLOT_PROP,
@@ -312,6 +315,10 @@ nvdimm_build_structure_memdev(GArray *structures, DeviceState *dev)
/* Only one interleave for PMEM. */
nfit_memdev->interleave_ways = cpu_to_le16(1);
+
+ if (nvdimm->unarmed) {
+ nfit_memdev->flags |= cpu_to_le16(ACPI_NFIT_MEM_NOT_ARMED);
+ }
}
/*
diff --git a/hw/mem/nvdimm.c b/hw/mem/nvdimm.c
index 618c3d677b..61e677f92f 100644
--- a/hw/mem/nvdimm.c
+++ b/hw/mem/nvdimm.c
@@ -25,6 +25,7 @@
#include "qemu/osdep.h"
#include "qapi/error.h"
#include "qapi/visitor.h"
+#include "qapi-visit.h"
#include "hw/mem/nvdimm.h"
static void nvdimm_get_label_size(Object *obj, Visitor *v, const char *name,
@@ -64,11 +65,36 @@ out:
error_propagate(errp, local_err);
}
+static bool nvdimm_get_unarmed(Object *obj, Error **errp)
+{
+ NVDIMMDevice *nvdimm = NVDIMM(obj);
+
+ return nvdimm->unarmed;
+}
+
+static void nvdimm_set_unarmed(Object *obj, bool value, Error **errp)
+{
+ NVDIMMDevice *nvdimm = NVDIMM(obj);
+ Error *local_err = NULL;
+
+ if (memory_region_size(&nvdimm->nvdimm_mr)) {
+ error_setg(&local_err, "cannot change property value");
+ goto out;
+ }
+
+ nvdimm->unarmed = value;
+
+ out:
+ error_propagate(errp, local_err);
+}
+
static void nvdimm_init(Object *obj)
{
object_property_add(obj, NVDIMM_LABLE_SIZE_PROP, "int",
nvdimm_get_label_size, nvdimm_set_label_size, NULL,
NULL, NULL);
+ object_property_add_bool(obj, NVDIMM_UNARMED_PROP,
+ nvdimm_get_unarmed, nvdimm_set_unarmed, NULL);
}
static MemoryRegion *nvdimm_get_memory_region(PCDIMMDevice *dimm, Error **errp)