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authorXiao Guangrong <guangrong.xiao@linux.intel.com>2016-10-29 00:11:50 +0800
committerMichael S. Tsirkin <mst@redhat.com>2016-11-01 19:21:08 +0200
commit6ab0c4bd1dc758b8a1f456d7f748ec313b5fde3d (patch)
treea09da956e2d3ec61c12d348484f8bddc06e5a44f /hw/acpi/nvdimm.c
parentc0b3b863acb0087120322497ac2fdbcf149a2e62 (diff)
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acpi nvdimm: fix device physical address base
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.xiao@linux.intel.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'hw/acpi/nvdimm.c')
-rw-r--r--hw/acpi/nvdimm.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/hw/acpi/nvdimm.c b/hw/acpi/nvdimm.c
index bbb2cfde78..c2f5caa338 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);