[Xen-devel] [RFC QEMU PATCH v2 05/10] nvdimm acpi: copy NFIT to Xen guest

[Haozhong Zhang <haozhong.zhang@xxxxxxxxx>]

Xen relies on QEMU to build the guest NFIT.

Signed-off-by: Haozhong Zhang <haozhong.zhang@xxxxxxxxx>
---
Cc: "Michael S. Tsirkin" <mst@xxxxxxxxxx>
Cc: Igor Mammedov <imammedo@xxxxxxxxxx>
Cc: Xiao Guangrong <guangrong.xiao@xxxxxxxxxxxxxxx>
---
 hw/acpi/nvdimm.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/hw/acpi/nvdimm.c b/hw/acpi/nvdimm.c
index bb45452e70..2509561729 100644
--- a/hw/acpi/nvdimm.c
+++ b/hw/acpi/nvdimm.c
@@ -32,6 +32,7 @@
 #include "hw/acpi/bios-linker-loader.h"
 #include "hw/nvram/fw_cfg.h"
 #include "hw/mem/nvdimm.h"
+#include "hw/xen/xen.h"
 
 static int nvdimm_device_list(Object *obj, void *opaque)
 {
@@ -402,6 +403,12 @@ static void nvdimm_build_nfit(AcpiNVDIMMState *state, 
GArray *table_offsets,
     build_header(linker, table_data,
                  (void *)(table_data->data + header), "NFIT",
                  sizeof(NvdimmNfitHeader) + fit_buf->fit->len, 1, NULL, NULL);
+
+    if (xen_enabled()) {
+        xen_acpi_copy_to_guest("NFIT", table_data->data + header,
+                               sizeof(NvdimmNfitHeader) + fit_buf->fit->len,
+                               XEN_DM_ACPI_BLOB_TYPE_TABLE);
+    }
 }
 
 #define NVDIMM_DSM_MEMORY_SIZE      4096
-- 
2.12.0


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