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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
parent806864d9a8a6d5c4cee2ca9bd00474346143113b (diff)
downloadqemu-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')
-rw-r--r--hw/i386/acpi-build.c7
-rw-r--r--hw/i386/pc.c12
2 files changed, 19 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);
diff --git a/hw/i386/pc.c b/hw/i386/pc.c
index b395717b07..c011552ac4 100644
--- a/hw/i386/pc.c
+++ b/hw/i386/pc.c
@@ -1744,6 +1744,12 @@ static void pc_dimm_unplug_request(HotplugHandler *hotplug_dev,
goto out;
}
+ if (object_dynamic_cast(OBJECT(dev), TYPE_NVDIMM)) {
+ error_setg(&local_err,
+ "nvdimm device hot unplug is not supported yet.");
+ goto out;
+ }
+
hhc = HOTPLUG_HANDLER_GET_CLASS(pcms->acpi_dev);
hhc->unplug_request(HOTPLUG_HANDLER(pcms->acpi_dev), dev, &local_err);
@@ -1761,6 +1767,12 @@ static void pc_dimm_unplug(HotplugHandler *hotplug_dev,
HotplugHandlerClass *hhc;
Error *local_err = NULL;
+ if (object_dynamic_cast(OBJECT(dev), TYPE_NVDIMM)) {
+ error_setg(&local_err,
+ "nvdimm device hot unplug is not supported yet.");
+ goto out;
+ }
+
hhc = HOTPLUG_HANDLER_GET_CLASS(pcms->acpi_dev);
hhc->unplug(HOTPLUG_HANDLER(pcms->acpi_dev), dev, &local_err);