diff --git a/graphics/mapper/2.0/utils/OWNERS b/graphics/mapper/2.0/utils/OWNERS
new file mode 100644
index 0000000..3aa5fa1
--- /dev/null
+++ b/graphics/mapper/2.0/utils/OWNERS
@@ -0,0 +1,4 @@
+# Graphics team
+jessehall@google.com
+olv@google.com
+stoza@google.com
diff --git a/graphics/mapper/2.0/utils/hal/Android.bp b/graphics/mapper/2.0/utils/hal/Android.bp
new file mode 100644
index 0000000..5610a69
--- /dev/null
+++ b/graphics/mapper/2.0/utils/hal/Android.bp
@@ -0,0 +1,27 @@
+//
+// Copyright (C) 2018 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.graphics.mapper@2.0-hal",
+    defaults: ["hidl_defaults"],
+    vendor: true,
+    shared_libs: [
+        "android.hardware.graphics.mapper@2.0",
+    ],
+    export_shared_lib_headers: [
+        "android.hardware.graphics.mapper@2.0",
+    ],
+    export_include_dirs: ["include"],
+}
diff --git a/graphics/mapper/2.0/utils/hal/include/mapper-hal/2.0/Mapper.h b/graphics/mapper/2.0/utils/hal/include/mapper-hal/2.0/Mapper.h
new file mode 100644
index 0000000..5ad2a65
--- /dev/null
+++ b/graphics/mapper/2.0/utils/hal/include/mapper-hal/2.0/Mapper.h
@@ -0,0 +1,210 @@
+/*
+ * Copyright 2018 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.
+ */
+
+#pragma once
+
+#ifndef LOG_TAG
+#warning "Mapper.h included without LOG_TAG"
+#endif
+
+#include <memory>
+
+#include <android/hardware/graphics/mapper/2.0/IMapper.h>
+#include <log/log.h>
+#include <mapper-hal/2.0/MapperHal.h>
+
+namespace android {
+namespace hardware {
+namespace graphics {
+namespace mapper {
+namespace V2_0 {
+namespace hal {
+
+namespace detail {
+
+// MapperImpl implements V2_*::IMapper on top of V2_*::hal::MapperHal
+template <typename Interface, typename Hal>
+class MapperImpl : public Interface {
+   public:
+    bool init(std::unique_ptr<Hal> hal) {
+        mHal = std::move(hal);
+        return true;
+    }
+
+    // IMapper 2.0 interface
+
+    Return<void> createDescriptor(const V2_0::IMapper::BufferDescriptorInfo& descriptorInfo,
+                                  IMapper::createDescriptor_cb hidl_cb) override {
+        BufferDescriptor descriptor;
+        Error error = mHal->createDescriptor(descriptorInfo, &descriptor);
+        hidl_cb(error, descriptor);
+        return Void();
+    }
+
+    Return<void> importBuffer(const hidl_handle& rawHandle,
+                              IMapper::importBuffer_cb hidl_cb) override {
+        if (!rawHandle.getNativeHandle()) {
+            hidl_cb(Error::BAD_BUFFER, nullptr);
+            return Void();
+        }
+
+        native_handle_t* bufferHandle = nullptr;
+        Error error = mHal->importBuffer(rawHandle.getNativeHandle(), &bufferHandle);
+        if (error != Error::NONE) {
+            hidl_cb(error, nullptr);
+            return Void();
+        }
+
+        void* buffer = addImportedBuffer(bufferHandle);
+        if (!buffer) {
+            mHal->freeBuffer(bufferHandle);
+            hidl_cb(Error::NO_RESOURCES, nullptr);
+            return Void();
+        }
+
+        hidl_cb(error, buffer);
+        return Void();
+    }
+
+    Return<Error> freeBuffer(void* buffer) override {
+        native_handle_t* bufferHandle = removeImportedBuffer(buffer);
+        if (!bufferHandle) {
+            return Error::BAD_BUFFER;
+        }
+
+        return mHal->freeBuffer(bufferHandle);
+    }
+
+    Return<void> lock(void* buffer, uint64_t cpuUsage, const V2_0::IMapper::Rect& accessRegion,
+                      const hidl_handle& acquireFence, IMapper::lock_cb hidl_cb) override {
+        const native_handle_t* bufferHandle = getImportedBuffer(buffer);
+        if (!bufferHandle) {
+            hidl_cb(Error::BAD_BUFFER, nullptr);
+            return Void();
+        }
+
+        base::unique_fd fenceFd;
+        Error error = getFenceFd(acquireFence, &fenceFd);
+        if (error != Error::NONE) {
+            hidl_cb(error, nullptr);
+            return Void();
+        }
+
+        void* data = nullptr;
+        error = mHal->lock(bufferHandle, cpuUsage, accessRegion, std::move(fenceFd), &data);
+        hidl_cb(error, data);
+        return Void();
+    }
+
+    Return<void> lockYCbCr(void* buffer, uint64_t cpuUsage, const V2_0::IMapper::Rect& accessRegion,
+                           const hidl_handle& acquireFence,
+                           IMapper::lockYCbCr_cb hidl_cb) override {
+        const native_handle_t* bufferHandle = getImportedBuffer(buffer);
+        if (!bufferHandle) {
+            hidl_cb(Error::BAD_BUFFER, YCbCrLayout{});
+            return Void();
+        }
+
+        base::unique_fd fenceFd;
+        Error error = getFenceFd(acquireFence, &fenceFd);
+        if (error != Error::NONE) {
+            hidl_cb(error, YCbCrLayout{});
+            return Void();
+        }
+
+        YCbCrLayout layout{};
+        error = mHal->lockYCbCr(bufferHandle, cpuUsage, accessRegion, std::move(fenceFd), &layout);
+        hidl_cb(error, layout);
+        return Void();
+    }
+
+    Return<void> unlock(void* buffer, IMapper::unlock_cb hidl_cb) override {
+        const native_handle_t* bufferHandle = getImportedBuffer(buffer);
+        if (!bufferHandle) {
+            hidl_cb(Error::BAD_BUFFER, nullptr);
+            return Void();
+        }
+
+        base::unique_fd fenceFd;
+        Error error = mHal->unlock(bufferHandle, &fenceFd);
+        if (error != Error::NONE) {
+            hidl_cb(error, nullptr);
+            return Void();
+        }
+
+        NATIVE_HANDLE_DECLARE_STORAGE(fenceStorage, 1, 0);
+        hidl_cb(error, getFenceHandle(fenceFd, fenceStorage));
+        return Void();
+    }
+
+   protected:
+    // these functions can be overriden to do true imported buffer management
+    virtual void* addImportedBuffer(native_handle_t* bufferHandle) {
+        return static_cast<void*>(bufferHandle);
+    }
+
+    virtual native_handle_t* removeImportedBuffer(void* buffer) {
+        return static_cast<native_handle_t*>(buffer);
+    }
+
+    virtual const native_handle_t* getImportedBuffer(void* buffer) const {
+        return static_cast<const native_handle_t*>(buffer);
+    }
+
+    // convert fenceFd to or from hidl_handle
+    static Error getFenceFd(const hidl_handle& fenceHandle, base::unique_fd* outFenceFd) {
+        auto handle = fenceHandle.getNativeHandle();
+        if (handle && handle->numFds > 1) {
+            ALOGE("invalid fence handle with %d fds", handle->numFds);
+            return Error::BAD_VALUE;
+        }
+
+        int fenceFd = (handle && handle->numFds == 1) ? handle->data[0] : -1;
+        if (fenceFd >= 0) {
+            fenceFd = dup(fenceFd);
+            if (fenceFd < 0) {
+                return Error::NO_RESOURCES;
+            }
+        }
+
+        outFenceFd->reset(fenceFd);
+
+        return Error::NONE;
+    }
+
+    static hidl_handle getFenceHandle(const base::unique_fd& fenceFd, char* handleStorage) {
+        native_handle_t* handle = nullptr;
+        if (fenceFd >= 0) {
+            handle = native_handle_init(handleStorage, 1, 0);
+            handle->data[0] = fenceFd;
+        }
+
+        return hidl_handle(handle);
+    }
+
+    std::unique_ptr<Hal> mHal;
+};
+
+}  // namespace detail
+
+using Mapper = detail::MapperImpl<IMapper, MapperHal>;
+
+}  // namespace hal
+}  // namespace V2_0
+}  // namespace mapper
+}  // namespace graphics
+}  // namespace hardware
+}  // namespace android
diff --git a/graphics/mapper/2.0/utils/hal/include/mapper-hal/2.0/MapperHal.h b/graphics/mapper/2.0/utils/hal/include/mapper-hal/2.0/MapperHal.h
new file mode 100644
index 0000000..ab2e5cf
--- /dev/null
+++ b/graphics/mapper/2.0/utils/hal/include/mapper-hal/2.0/MapperHal.h
@@ -0,0 +1,63 @@
+/*
+ * Copyright 2018 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.
+ */
+
+#pragma once
+
+#include <android-base/unique_fd.h>
+#include <android/hardware/graphics/mapper/2.0/IMapper.h>
+
+namespace android {
+namespace hardware {
+namespace graphics {
+namespace mapper {
+namespace V2_0 {
+namespace hal {
+
+class MapperHal {
+   public:
+    virtual ~MapperHal() = default;
+
+    // create a BufferDescriptor
+    virtual Error createDescriptor(const IMapper::BufferDescriptorInfo& descriptorInfo,
+                                   BufferDescriptor* outDescriptor) = 0;
+
+    // import a raw handle owned by the caller
+    virtual Error importBuffer(const native_handle_t* rawHandle,
+                               native_handle_t** outBufferHandle) = 0;
+
+    // free an imported buffer handle
+    virtual Error freeBuffer(native_handle_t* bufferHandle) = 0;
+
+    // lock a buffer
+    virtual Error lock(const native_handle_t* bufferHandle, uint64_t cpuUsage,
+                       const IMapper::Rect& accessRegion, base::unique_fd fenceFd,
+                       void** outData) = 0;
+
+    // lock a YCbCr buffer
+    virtual Error lockYCbCr(const native_handle_t* bufferHandle, uint64_t cpuUsage,
+                            const IMapper::Rect& accessRegion, base::unique_fd fenceFd,
+                            YCbCrLayout* outLayout) = 0;
+
+    // unlock a buffer
+    virtual Error unlock(const native_handle_t* bufferHandle, base::unique_fd* outFenceFd) = 0;
+};
+
+}  // namespace hal
+}  // namespace V2_0
+}  // namespace mapper
+}  // namespace graphics
+}  // namespace hardware
+}  // namespace android