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authorXiao Guangrong <guangrong.xiao@linux.intel.com>2016-10-29 00:35:40 +0800
committerMichael S. Tsirkin <mst@redhat.com>2016-11-01 19:21:09 +0200
commitb097cc52fc9126bd1a71dae8302b8536d28104dd (patch)
tree334774fab08978bf302a83149cbf867df68d0286 /hw/i386/acpi-build.c
parent806864d9a8a6d5c4cee2ca9bd00474346143113b (diff)
downloadfocaccia-qemu-b097cc52fc9126bd1a71dae8302b8536d28104dd.tar.gz
focaccia-qemu-b097cc52fc9126bd1a71dae8302b8536d28104dd.zip
pc: memhp: enable nvdimm device hotplug
_GPE.E04 is dedicated for nvdimm device hotplug

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/i386/acpi-build.c')
-rw-r--r--hw/i386/acpi-build.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c
index 03a5386790..7aaa07a177 100644
--- a/hw/i386/acpi-build.c
+++ b/hw/i386/acpi-build.c
@@ -2069,6 +2069,13 @@ build_dsdt(GArray *table_data, BIOSLinker *linker,
         method = aml_method("_E03", 0, AML_NOTSERIALIZED);
         aml_append(method, aml_call0(MEMORY_HOTPLUG_HANDLER_PATH));
         aml_append(scope, method);
+
+        if (pcms->acpi_nvdimm_state.is_enabled) {
+            method = aml_method("_E04", 0, AML_NOTSERIALIZED);
+            aml_append(method, aml_notify(aml_name("\\_SB.NVDR"),
+                                          aml_int(0x80)));
+            aml_append(scope, method);
+        }
     }
     aml_append(dsdt, scope);