diff --git a/configstore/1.0/Android.bp b/configstore/1.0/Android.bp
new file mode 100644
index 0000000..c2cd54a
--- /dev/null
+++ b/configstore/1.0/Android.bp
@@ -0,0 +1,62 @@
+// This file is autogenerated by hidl-gen. Do not edit manually.
+
+filegroup {
+    name: "android.hardware.configstore@1.0_hal",
+    srcs: [
+        "types.hal",
+        "ISurfaceFlingerConfigs.hal",
+    ],
+}
+
+genrule {
+    name: "android.hardware.configstore@1.0_genc++",
+    tools: ["hidl-gen"],
+    cmd: "$(location hidl-gen) -o $(genDir) -Lc++ -randroid.hardware:hardware/interfaces -randroid.hidl:system/libhidl/transport android.hardware.configstore@1.0",
+    srcs: [
+        ":android.hardware.configstore@1.0_hal",
+    ],
+    out: [
+        "android/hardware/configstore/1.0/types.cpp",
+        "android/hardware/configstore/1.0/SurfaceFlingerConfigsAll.cpp",
+    ],
+}
+
+genrule {
+    name: "android.hardware.configstore@1.0_genc++_headers",
+    tools: ["hidl-gen"],
+    cmd: "$(location hidl-gen) -o $(genDir) -Lc++ -randroid.hardware:hardware/interfaces -randroid.hidl:system/libhidl/transport android.hardware.configstore@1.0",
+    srcs: [
+        ":android.hardware.configstore@1.0_hal",
+    ],
+    out: [
+        "android/hardware/configstore/1.0/types.h",
+        "android/hardware/configstore/1.0/ISurfaceFlingerConfigs.h",
+        "android/hardware/configstore/1.0/IHwSurfaceFlingerConfigs.h",
+        "android/hardware/configstore/1.0/BnHwSurfaceFlingerConfigs.h",
+        "android/hardware/configstore/1.0/BpHwSurfaceFlingerConfigs.h",
+        "android/hardware/configstore/1.0/BsSurfaceFlingerConfigs.h",
+    ],
+}
+
+cc_library_shared {
+    name: "android.hardware.configstore@1.0",
+    generated_sources: ["android.hardware.configstore@1.0_genc++"],
+    generated_headers: ["android.hardware.configstore@1.0_genc++_headers"],
+    export_generated_headers: ["android.hardware.configstore@1.0_genc++_headers"],
+    shared_libs: [
+        "libhidlbase",
+        "libhidltransport",
+        "libhwbinder",
+        "liblog",
+        "libutils",
+        "libcutils",
+        "android.hidl.base@1.0",
+    ],
+    export_shared_lib_headers: [
+        "libhidlbase",
+        "libhidltransport",
+        "libhwbinder",
+        "libutils",
+        "android.hidl.base@1.0",
+    ],
+}
diff --git a/configstore/1.0/Android.mk b/configstore/1.0/Android.mk
new file mode 100644
index 0000000..010d509
--- /dev/null
+++ b/configstore/1.0/Android.mk
@@ -0,0 +1,308 @@
+# This file is autogenerated by hidl-gen. Do not edit manually.
+
+LOCAL_PATH := $(call my-dir)
+
+################################################################################
+
+include $(CLEAR_VARS)
+LOCAL_MODULE := android.hardware.configstore@1.0-java
+LOCAL_MODULE_CLASS := JAVA_LIBRARIES
+
+intermediates := $(call local-generated-sources-dir, COMMON)
+
+HIDL := $(HOST_OUT_EXECUTABLES)/hidl-gen$(HOST_EXECUTABLE_SUFFIX)
+
+LOCAL_JAVA_LIBRARIES := \
+    android.hidl.base@1.0-java \
+
+
+#
+# Build types.hal (OptionalBool)
+#
+GEN := $(intermediates)/android/hardware/configstore/V1_0/OptionalBool.java
+$(GEN): $(HIDL)
+$(GEN): PRIVATE_HIDL := $(HIDL)
+$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/types.hal
+$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
+$(GEN): PRIVATE_CUSTOM_TOOL = \
+        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
+        -Ljava \
+        -randroid.hardware:hardware/interfaces \
+        -randroid.hidl:system/libhidl/transport \
+        android.hardware.configstore@1.0::types.OptionalBool
+
+$(GEN): $(LOCAL_PATH)/types.hal
+	$(transform-generated-source)
+LOCAL_GENERATED_SOURCES += $(GEN)
+
+#
+# Build types.hal (OptionalInt32)
+#
+GEN := $(intermediates)/android/hardware/configstore/V1_0/OptionalInt32.java
+$(GEN): $(HIDL)
+$(GEN): PRIVATE_HIDL := $(HIDL)
+$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/types.hal
+$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
+$(GEN): PRIVATE_CUSTOM_TOOL = \
+        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
+        -Ljava \
+        -randroid.hardware:hardware/interfaces \
+        -randroid.hidl:system/libhidl/transport \
+        android.hardware.configstore@1.0::types.OptionalInt32
+
+$(GEN): $(LOCAL_PATH)/types.hal
+	$(transform-generated-source)
+LOCAL_GENERATED_SOURCES += $(GEN)
+
+#
+# Build types.hal (OptionalInt64)
+#
+GEN := $(intermediates)/android/hardware/configstore/V1_0/OptionalInt64.java
+$(GEN): $(HIDL)
+$(GEN): PRIVATE_HIDL := $(HIDL)
+$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/types.hal
+$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
+$(GEN): PRIVATE_CUSTOM_TOOL = \
+        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
+        -Ljava \
+        -randroid.hardware:hardware/interfaces \
+        -randroid.hidl:system/libhidl/transport \
+        android.hardware.configstore@1.0::types.OptionalInt64
+
+$(GEN): $(LOCAL_PATH)/types.hal
+	$(transform-generated-source)
+LOCAL_GENERATED_SOURCES += $(GEN)
+
+#
+# Build types.hal (OptionalString)
+#
+GEN := $(intermediates)/android/hardware/configstore/V1_0/OptionalString.java
+$(GEN): $(HIDL)
+$(GEN): PRIVATE_HIDL := $(HIDL)
+$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/types.hal
+$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
+$(GEN): PRIVATE_CUSTOM_TOOL = \
+        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
+        -Ljava \
+        -randroid.hardware:hardware/interfaces \
+        -randroid.hidl:system/libhidl/transport \
+        android.hardware.configstore@1.0::types.OptionalString
+
+$(GEN): $(LOCAL_PATH)/types.hal
+	$(transform-generated-source)
+LOCAL_GENERATED_SOURCES += $(GEN)
+
+#
+# Build types.hal (OptionalUInt32)
+#
+GEN := $(intermediates)/android/hardware/configstore/V1_0/OptionalUInt32.java
+$(GEN): $(HIDL)
+$(GEN): PRIVATE_HIDL := $(HIDL)
+$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/types.hal
+$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
+$(GEN): PRIVATE_CUSTOM_TOOL = \
+        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
+        -Ljava \
+        -randroid.hardware:hardware/interfaces \
+        -randroid.hidl:system/libhidl/transport \
+        android.hardware.configstore@1.0::types.OptionalUInt32
+
+$(GEN): $(LOCAL_PATH)/types.hal
+	$(transform-generated-source)
+LOCAL_GENERATED_SOURCES += $(GEN)
+
+#
+# Build types.hal (OptionalUInt64)
+#
+GEN := $(intermediates)/android/hardware/configstore/V1_0/OptionalUInt64.java
+$(GEN): $(HIDL)
+$(GEN): PRIVATE_HIDL := $(HIDL)
+$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/types.hal
+$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
+$(GEN): PRIVATE_CUSTOM_TOOL = \
+        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
+        -Ljava \
+        -randroid.hardware:hardware/interfaces \
+        -randroid.hidl:system/libhidl/transport \
+        android.hardware.configstore@1.0::types.OptionalUInt64
+
+$(GEN): $(LOCAL_PATH)/types.hal
+	$(transform-generated-source)
+LOCAL_GENERATED_SOURCES += $(GEN)
+
+#
+# Build ISurfaceFlingerConfigs.hal
+#
+GEN := $(intermediates)/android/hardware/configstore/V1_0/ISurfaceFlingerConfigs.java
+$(GEN): $(HIDL)
+$(GEN): PRIVATE_HIDL := $(HIDL)
+$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/ISurfaceFlingerConfigs.hal
+$(GEN): PRIVATE_DEPS += $(LOCAL_PATH)/types.hal
+$(GEN): $(LOCAL_PATH)/types.hal
+$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
+$(GEN): PRIVATE_CUSTOM_TOOL = \
+        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
+        -Ljava \
+        -randroid.hardware:hardware/interfaces \
+        -randroid.hidl:system/libhidl/transport \
+        android.hardware.configstore@1.0::ISurfaceFlingerConfigs
+
+$(GEN): $(LOCAL_PATH)/ISurfaceFlingerConfigs.hal
+	$(transform-generated-source)
+LOCAL_GENERATED_SOURCES += $(GEN)
+include $(BUILD_JAVA_LIBRARY)
+
+
+################################################################################
+
+include $(CLEAR_VARS)
+LOCAL_MODULE := android.hardware.configstore@1.0-java-static
+LOCAL_MODULE_CLASS := JAVA_LIBRARIES
+
+intermediates := $(call local-generated-sources-dir, COMMON)
+
+HIDL := $(HOST_OUT_EXECUTABLES)/hidl-gen$(HOST_EXECUTABLE_SUFFIX)
+
+LOCAL_STATIC_JAVA_LIBRARIES := \
+    android.hidl.base@1.0-java-static \
+
+
+#
+# Build types.hal (OptionalBool)
+#
+GEN := $(intermediates)/android/hardware/configstore/V1_0/OptionalBool.java
+$(GEN): $(HIDL)
+$(GEN): PRIVATE_HIDL := $(HIDL)
+$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/types.hal
+$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
+$(GEN): PRIVATE_CUSTOM_TOOL = \
+        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
+        -Ljava \
+        -randroid.hardware:hardware/interfaces \
+        -randroid.hidl:system/libhidl/transport \
+        android.hardware.configstore@1.0::types.OptionalBool
+
+$(GEN): $(LOCAL_PATH)/types.hal
+	$(transform-generated-source)
+LOCAL_GENERATED_SOURCES += $(GEN)
+
+#
+# Build types.hal (OptionalInt32)
+#
+GEN := $(intermediates)/android/hardware/configstore/V1_0/OptionalInt32.java
+$(GEN): $(HIDL)
+$(GEN): PRIVATE_HIDL := $(HIDL)
+$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/types.hal
+$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
+$(GEN): PRIVATE_CUSTOM_TOOL = \
+        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
+        -Ljava \
+        -randroid.hardware:hardware/interfaces \
+        -randroid.hidl:system/libhidl/transport \
+        android.hardware.configstore@1.0::types.OptionalInt32
+
+$(GEN): $(LOCAL_PATH)/types.hal
+	$(transform-generated-source)
+LOCAL_GENERATED_SOURCES += $(GEN)
+
+#
+# Build types.hal (OptionalInt64)
+#
+GEN := $(intermediates)/android/hardware/configstore/V1_0/OptionalInt64.java
+$(GEN): $(HIDL)
+$(GEN): PRIVATE_HIDL := $(HIDL)
+$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/types.hal
+$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
+$(GEN): PRIVATE_CUSTOM_TOOL = \
+        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
+        -Ljava \
+        -randroid.hardware:hardware/interfaces \
+        -randroid.hidl:system/libhidl/transport \
+        android.hardware.configstore@1.0::types.OptionalInt64
+
+$(GEN): $(LOCAL_PATH)/types.hal
+	$(transform-generated-source)
+LOCAL_GENERATED_SOURCES += $(GEN)
+
+#
+# Build types.hal (OptionalString)
+#
+GEN := $(intermediates)/android/hardware/configstore/V1_0/OptionalString.java
+$(GEN): $(HIDL)
+$(GEN): PRIVATE_HIDL := $(HIDL)
+$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/types.hal
+$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
+$(GEN): PRIVATE_CUSTOM_TOOL = \
+        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
+        -Ljava \
+        -randroid.hardware:hardware/interfaces \
+        -randroid.hidl:system/libhidl/transport \
+        android.hardware.configstore@1.0::types.OptionalString
+
+$(GEN): $(LOCAL_PATH)/types.hal
+	$(transform-generated-source)
+LOCAL_GENERATED_SOURCES += $(GEN)
+
+#
+# Build types.hal (OptionalUInt32)
+#
+GEN := $(intermediates)/android/hardware/configstore/V1_0/OptionalUInt32.java
+$(GEN): $(HIDL)
+$(GEN): PRIVATE_HIDL := $(HIDL)
+$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/types.hal
+$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
+$(GEN): PRIVATE_CUSTOM_TOOL = \
+        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
+        -Ljava \
+        -randroid.hardware:hardware/interfaces \
+        -randroid.hidl:system/libhidl/transport \
+        android.hardware.configstore@1.0::types.OptionalUInt32
+
+$(GEN): $(LOCAL_PATH)/types.hal
+	$(transform-generated-source)
+LOCAL_GENERATED_SOURCES += $(GEN)
+
+#
+# Build types.hal (OptionalUInt64)
+#
+GEN := $(intermediates)/android/hardware/configstore/V1_0/OptionalUInt64.java
+$(GEN): $(HIDL)
+$(GEN): PRIVATE_HIDL := $(HIDL)
+$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/types.hal
+$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
+$(GEN): PRIVATE_CUSTOM_TOOL = \
+        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
+        -Ljava \
+        -randroid.hardware:hardware/interfaces \
+        -randroid.hidl:system/libhidl/transport \
+        android.hardware.configstore@1.0::types.OptionalUInt64
+
+$(GEN): $(LOCAL_PATH)/types.hal
+	$(transform-generated-source)
+LOCAL_GENERATED_SOURCES += $(GEN)
+
+#
+# Build ISurfaceFlingerConfigs.hal
+#
+GEN := $(intermediates)/android/hardware/configstore/V1_0/ISurfaceFlingerConfigs.java
+$(GEN): $(HIDL)
+$(GEN): PRIVATE_HIDL := $(HIDL)
+$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/ISurfaceFlingerConfigs.hal
+$(GEN): PRIVATE_DEPS += $(LOCAL_PATH)/types.hal
+$(GEN): $(LOCAL_PATH)/types.hal
+$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
+$(GEN): PRIVATE_CUSTOM_TOOL = \
+        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
+        -Ljava \
+        -randroid.hardware:hardware/interfaces \
+        -randroid.hidl:system/libhidl/transport \
+        android.hardware.configstore@1.0::ISurfaceFlingerConfigs
+
+$(GEN): $(LOCAL_PATH)/ISurfaceFlingerConfigs.hal
+	$(transform-generated-source)
+LOCAL_GENERATED_SOURCES += $(GEN)
+include $(BUILD_STATIC_JAVA_LIBRARY)
+
+
+
+include $(call all-makefiles-under,$(LOCAL_PATH))
diff --git a/configstore/1.0/ISurfaceFlingerConfigs.hal b/configstore/1.0/ISurfaceFlingerConfigs.hal
new file mode 100644
index 0000000..4403a90
--- /dev/null
+++ b/configstore/1.0/ISurfaceFlingerConfigs.hal
@@ -0,0 +1,21 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package android.hardware.configstore@1.0;
+
+interface ISurfaceFlingerConfigs {
+    vsyncEventPhaseOffsetNs() generates (OptionalInt64 value);
+    useTripleFramebuffer() generates (OptionalBool value);
+};
diff --git a/configstore/1.0/default/Android.mk b/configstore/1.0/default/Android.mk
new file mode 100644
index 0000000..b168029
--- /dev/null
+++ b/configstore/1.0/default/Android.mk
@@ -0,0 +1,40 @@
+LOCAL_PATH := $(call my-dir)
+
+################################################################################
+include $(CLEAR_VARS)
+LOCAL_MODULE := android.hardware.configstore@1.0-impl
+LOCAL_PROPRIETARY_MODULE := true
+LOCAL_MODULE_CLASS := SHARED_LIBRARIES
+LOCAL_MODULE_RELATIVE_PATH := hw
+
+include $(LOCAL_PATH)/surfaceflinger.mk
+
+LOCAL_SHARED_LIBRARIES := \
+    libbase \
+    libhidlbase \
+    libhidltransport \
+    libutils \
+    android.hardware.configstore@1.0 \
+    android.hidl.base@1.0
+
+include $(BUILD_SHARED_LIBRARY)
+
+################################################################################
+include $(CLEAR_VARS)
+LOCAL_MODULE := android.hardware.configstore@1.0-service
+LOCAL_PROPRIETARY_MODULE := true
+LOCAL_MODULE_CLASS := EXECUTABLES
+LOCAL_MODULE_RELATIVE_PATH := hw
+LOCAL_INIT_RC := android.hardware.configstore@1.0-service.rc
+LOCAL_SRC_FILES:= service.cpp
+
+LOCAL_SHARED_LIBRARIES := \
+    liblog \
+    libdl \
+    libutils \
+    libhidlbase \
+    libhidltransport \
+    android.hardware.configstore@1.0 \
+
+include $(BUILD_EXECUTABLE)
+
diff --git a/configstore/1.0/default/SurfaceFlingerConfigs.cpp b/configstore/1.0/default/SurfaceFlingerConfigs.cpp
new file mode 100644
index 0000000..5d62b15
--- /dev/null
+++ b/configstore/1.0/default/SurfaceFlingerConfigs.cpp
@@ -0,0 +1,42 @@
+#include "SurfaceFlingerConfigs.h"
+
+#include <android-base/logging.h>
+
+namespace android {
+namespace hardware {
+namespace configstore {
+namespace V1_0 {
+namespace implementation {
+
+// Methods from ::android::hardware::configstore::V1_0::ISurfaceFlingerConfigs follow.
+Return<void> SurfaceFlingerConfigs::vsyncEventPhaseOffsetNs(vsyncEventPhaseOffsetNs_cb _hidl_cb) {
+#ifdef VSYNC_EVENT_PHASE_OFFSET_NS
+    _hidl_cb({true, VSYNC_EVENT_PHASE_OFFSET_NS});
+    LOG(INFO) << "vsync event phase offset ns =  " << VSYNC_EVENT_PHASE_OFFSET_NS;
+#else
+    _hidl_cb({false, 0});
+#endif
+    return Void();
+}
+
+Return<void> SurfaceFlingerConfigs::useTripleFramebuffer(useTripleFramebuffer_cb _hidl_cb) {
+    bool value = false;
+#ifdef USE_TRIPLE_FRAMEBUFFER
+    value = true;
+#endif
+    _hidl_cb({true, value});
+    LOG(INFO) << "SurfaceFlinger FrameBuffer: " << (value ? "triple" : "double");
+    return Void();
+}
+
+// Methods from ::android::hidl::base::V1_0::IBase follow.
+
+ISurfaceFlingerConfigs* HIDL_FETCH_ISurfaceFlingerConfigs(const char* /* name */) {
+    return new SurfaceFlingerConfigs();
+}
+
+}  // namespace implementation
+}  // namespace V1_0
+}  // namespace configstore
+}  // namespace hardware
+}  // namespace android
diff --git a/configstore/1.0/default/SurfaceFlingerConfigs.h b/configstore/1.0/default/SurfaceFlingerConfigs.h
new file mode 100644
index 0000000..c9652fc
--- /dev/null
+++ b/configstore/1.0/default/SurfaceFlingerConfigs.h
@@ -0,0 +1,42 @@
+#ifndef ANDROID_HARDWARE_CONFIGSTORE_V1_0_SURFACEFLINGERCONFIGS_H
+#define ANDROID_HARDWARE_CONFIGSTORE_V1_0_SURFACEFLINGERCONFIGS_H
+
+#include <android/hardware/configstore/1.0/ISurfaceFlingerConfigs.h>
+#include <hidl/MQDescriptor.h>
+#include <hidl/Status.h>
+
+namespace android {
+namespace hardware {
+namespace configstore {
+namespace V1_0 {
+namespace implementation {
+
+using ::android::hardware::configstore::V1_0::ISurfaceFlingerConfigs;
+using ::android::hardware::configstore::V1_0::OptionalBool;
+using ::android::hidl::base::V1_0::IBase;
+using ::android::hardware::hidl_array;
+using ::android::hardware::hidl_memory;
+using ::android::hardware::hidl_string;
+using ::android::hardware::hidl_vec;
+using ::android::hardware::Return;
+using ::android::hardware::Void;
+using ::android::sp;
+
+struct SurfaceFlingerConfigs : public ISurfaceFlingerConfigs {
+    // Methods from ::android::hardware::configstore::V1_0::ISurfaceFlingerConfigs follow.
+    Return<void> vsyncEventPhaseOffsetNs(vsyncEventPhaseOffsetNs_cb _hidl_cb) override;
+    Return<void> useTripleFramebuffer(useTripleFramebuffer_cb _hidl_cb) override;
+
+    // Methods from ::android::hidl::base::V1_0::IBase follow.
+
+};
+
+extern "C" ISurfaceFlingerConfigs* HIDL_FETCH_ISurfaceFlingerConfigs(const char* name);
+
+}  // namespace implementation
+}  // namespace V1_0
+}  // namespace configstore
+}  // namespace hardware
+}  // namespace android
+
+#endif  // ANDROID_HARDWARE_CONFIGSTORE_V1_0_SURFACEFLINGERCONFIGS_H
diff --git a/configstore/1.0/default/android.hardware.configstore@1.0-service.rc b/configstore/1.0/default/android.hardware.configstore@1.0-service.rc
new file mode 100644
index 0000000..8741bdd
--- /dev/null
+++ b/configstore/1.0/default/android.hardware.configstore@1.0-service.rc
@@ -0,0 +1,4 @@
+service configstore-hal-1-0 /vendor/bin/hw/android.hardware.configstore@1.0-service
+    class hal
+    user system
+    group system
diff --git a/configstore/1.0/default/service.cpp b/configstore/1.0/default/service.cpp
new file mode 100644
index 0000000..caec0ba
--- /dev/null
+++ b/configstore/1.0/default/service.cpp
@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "android.hardware.configstore@1.0-service"
+
+#include <android/hardware/configstore/1.0/ISurfaceFlingerConfigs.h>
+#include <hidl/LegacySupport.h>
+
+using android::hardware::configstore::V1_0::ISurfaceFlingerConfigs;
+using android::hardware::configureRpcThreadpool;
+using android::hardware::registerPassthroughServiceImplementation;
+using android::hardware::joinRpcThreadpool;
+
+int main() {
+    // TODO(b/34857894): tune the max thread count.
+    configureRpcThreadpool(10, true);
+    registerPassthroughServiceImplementation<ISurfaceFlingerConfigs>();
+    // other interface registration comes here
+    joinRpcThreadpool();
+    return 0;
+}
diff --git a/configstore/1.0/default/surfaceflinger.mk b/configstore/1.0/default/surfaceflinger.mk
new file mode 100644
index 0000000..5a946f4
--- /dev/null
+++ b/configstore/1.0/default/surfaceflinger.mk
@@ -0,0 +1,10 @@
+
+LOCAL_SRC_FILES += SurfaceFlingerConfigs.cpp
+
+ifneq ($(VSYNC_EVENT_PHASE_OFFSET_NS),)
+    LOCAL_CFLAGS += -DVSYNC_EVENT_PHASE_OFFSET_NS=$(VSYNC_EVENT_PHASE_OFFSET_NS)
+endif
+
+ifeq ($(NUM_FRAMEBUFFER_SURFACE_BUFFERS),3)
+    LOCAL_CFLAGS += -DUSE_TRIPLE_FRAMEBUFFER
+endif
diff --git a/configstore/1.0/types.hal b/configstore/1.0/types.hal
new file mode 100644
index 0000000..49e9bef
--- /dev/null
+++ b/configstore/1.0/types.hal
@@ -0,0 +1,46 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package android.hardware.configstore@1.0;
+
+struct OptionalBool {
+    bool specified;
+    bool value;
+};
+
+struct OptionalInt32 {
+    bool specified;
+    int32_t value;
+};
+
+struct OptionalUInt32 {
+    bool specified;
+    uint32_t value;
+};
+
+struct OptionalInt64 {
+    bool specified;
+    int64_t value;
+};
+
+struct OptionalUInt64 {
+    bool specified;
+    uint64_t value;
+};
+
+struct OptionalString {
+    bool specified;
+    string value;
+};
diff --git a/configstore/Android.bp b/configstore/Android.bp
new file mode 100644
index 0000000..79b63f6
--- /dev/null
+++ b/configstore/Android.bp
@@ -0,0 +1,5 @@
+// This is an autogenerated file, do not edit.
+subdirs = [
+    "1.0",
+    "utils",
+]
diff --git a/configstore/utils/Android.bp b/configstore/utils/Android.bp
new file mode 100644
index 0000000..aa420d1
--- /dev/null
+++ b/configstore/utils/Android.bp
@@ -0,0 +1,27 @@
+//
+// Copyright (C) 2017 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+cc_library_headers {
+    name: "android.hardware.configstore-utils",
+    defaults: ["hidl_defaults"],
+    export_include_dirs: ["include"],
+    shared_libs: [
+        "libhidlbase"
+    ],
+    export_shared_lib_headers: [
+        "libhidlbase"
+    ],
+}
diff --git a/configstore/utils/include/configstore/Utils.h b/configstore/utils/include/configstore/Utils.h
new file mode 100644
index 0000000..98ccae9
--- /dev/null
+++ b/configstore/utils/include/configstore/Utils.h
@@ -0,0 +1,94 @@
+//
+// Copyright (C) 2017 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+#ifndef ANDROID_HARDWARE_CONFIGSTORE_UTILS_H
+#define ANDROID_HARDWARE_CONFIGSTORE_UTILS_H
+
+#include <hidl/Status.h>
+#include <stdatomic.h>
+
+namespace android {
+namespace hardware {
+namespace configstore {
+// arguments V: type for the value (i.e., OptionalXXX)
+//           I: interface class name
+//           func: member function pointer
+using namespace V1_0;
+
+template<typename V, typename I, android::hardware::Return<void> (I::* func)
+        (std::function<void(const V&)>)>
+decltype(V::value) get(const decltype(V::value) &defValue) {
+    auto getHelper = []()->V {
+        V ret;
+        sp<I> configs = I::getService();
+
+        if (!configs.get()) {
+            // fallback to the default value
+            ret.specified = false;
+        } else {
+            (*configs.*func)([&ret](V v) {
+                ret = v;
+            });
+        }
+
+        return ret;
+    };
+    static V cachedValue = getHelper();
+
+    return cachedValue.specified ? cachedValue.value : defValue;
+}
+
+template<typename I, android::hardware::Return<void> (I::* func)
+        (std::function<void(const OptionalBool&)>)>
+bool getBool(const bool defValue) {
+    return get<OptionalBool, I, func>(defValue);
+}
+
+template<typename I, android::hardware::Return<void> (I::* func)
+        (std::function<void(const OptionalInt32&)>)>
+int32_t getInt32(const int32_t defValue) {
+    return get<OptionalInt32, I, func>(defValue);
+}
+
+template<typename I, android::hardware::Return<void> (I::* func)
+        (std::function<void(const OptionalUInt32&)>)>
+uint32_t getUInt32(const uint32_t defValue) {
+    return get<OptionalUInt32, I, func>(defValue);
+}
+
+template<typename I, android::hardware::Return<void> (I::* func)
+        (std::function<void(const OptionalInt64&)>)>
+int64_t getInt64(const int64_t defValue) {
+    return get<OptionalInt64, I, func>(defValue);
+}
+
+template<typename I, android::hardware::Return<void> (I::* func)
+        (std::function<void(const OptionalUInt64&)>)>
+uint64_t getUInt64(const uint64_t defValue) {
+    return get<OptionalUInt64, I, func>(defValue);
+}
+
+template<typename I, android::hardware::Return<void> (I::* func)
+        (std::function<void(const OptionalString&)>)>
+std::string getString(const std::string &defValue) {
+    return get<OptionalString, I, func>(defValue);
+}
+
+}  // namespace configstore
+}  // namespace hardware
+}  // namespace android
+
+#endif  // ANDROID_HARDWARE_CONFIGSTORE_UTILS_H