According to ACPI 6.0 spec, "Memory Device Physical Address Region Base" in memdev is defined as "This field provides the Device Physical Address base of the region". This field should be zero in our case
Signed-off-by: Xiao Guangrong <guangrong.x...@linux.intel.com> --- hw/acpi/nvdimm.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/hw/acpi/nvdimm.c b/hw/acpi/nvdimm.c index 24a2b3b..05fdf9c 100644 --- a/hw/acpi/nvdimm.c +++ b/hw/acpi/nvdimm.c @@ -289,8 +289,6 @@ static void nvdimm_build_structure_memdev(GArray *structures, DeviceState *dev) { NvdimmNfitMemDev *nfit_memdev; - uint64_t addr = object_property_get_int(OBJECT(dev), PC_DIMM_ADDR_PROP, - NULL); uint64_t size = object_property_get_int(OBJECT(dev), PC_DIMM_SIZE_PROP, NULL); int slot = object_property_get_int(OBJECT(dev), PC_DIMM_SLOT_PROP, @@ -314,7 +312,8 @@ nvdimm_build_structure_memdev(GArray *structures, DeviceState *dev) /* The memory region on the device. */ nfit_memdev->region_len = cpu_to_le64(size); - nfit_memdev->region_dpa = cpu_to_le64(addr); + /* The device address starts from 0. */ + nfit_memdev->region_dpa = cpu_to_le64(0); /* Only one interleave for PMEM. */ nfit_memdev->interleave_ways = cpu_to_le16(1); -- 1.8.3.1