diff --git a/camera/device/1.0/ICameraDevicePreviewCallback.hal b/camera/device/1.0/ICameraDevicePreviewCallback.hal
index e772301..4c9b517 100644
--- a/camera/device/1.0/ICameraDevicePreviewCallback.hal
+++ b/camera/device/1.0/ICameraDevicePreviewCallback.hal
@@ -17,6 +17,7 @@
 package android.hardware.camera.device@1.0;
 
 import android.hardware.camera.common@1.0::types;
+import android.hardware.graphics.allocator@2.0::types;
 import android.hardware.graphics.common@1.0::types;
 
 /**
@@ -88,7 +89,7 @@
      *
      * @return Status The status code for this operation.
      */
-    setUsage(ProducerUsageFlags usage) generates (Status status);
+    setUsage(ProducerUsage usage) generates (Status status);
 
     /**
      * Set the expected buffering mode for the preview output.
diff --git a/camera/device/1.0/default/Android.bp b/camera/device/1.0/default/Android.bp
index 2fe0699..af94b0f 100644
--- a/camera/device/1.0/default/Android.bp
+++ b/camera/device/1.0/default/Android.bp
@@ -24,8 +24,8 @@
         "libcamera_metadata",
     ],
     static_libs: [
-        "android.hardware.camera.common@1.0-helper",
-        "libgrallocusage"
+        "android.hardware.camera.common@1.0-helper"
     ],
     export_include_dirs: ["."]
 }
+
diff --git a/camera/device/1.0/default/CameraDevice.cpp b/camera/device/1.0/default/CameraDevice.cpp
index 5c4723d..877c6e7 100644
--- a/camera/device/1.0/default/CameraDevice.cpp
+++ b/camera/device/1.0/default/CameraDevice.cpp
@@ -21,8 +21,6 @@
 #include <hidlmemory/mapping.h>
 #include <utils/Trace.h>
 
-#include <grallocusage/GrallocUsageConversion.h>
-
 #include "CameraDevice_1_0.h"
 
 namespace android {
@@ -32,6 +30,7 @@
 namespace V1_0 {
 namespace implementation {
 
+using ::android::hardware::graphics::allocator::V2_0::ProducerUsage;
 using ::android::hardware::graphics::common::V1_0::PixelFormat;
 
 HandleImporter& CameraDevice::sHandleImporter = HandleImporter::getInstance();
@@ -260,10 +259,7 @@
     }
 
     object->cleanUpCirculatingBuffers();
-    ProducerUsageFlags producerUsage;
-    uint64_t consumerUsage;
-    ::android_convertGralloc0To1Usage(usage, &producerUsage, &consumerUsage);
-    return getStatusT(object->mPreviewCallback->setUsage(producerUsage));
+    return getStatusT(object->mPreviewCallback->setUsage((ProducerUsage) usage));
 }
 
 int CameraDevice::sSetSwapInterval(struct preview_stream_ops *w, int interval) {
diff --git a/camera/device/1.0/types.hal b/camera/device/1.0/types.hal
index 0b3445f..ce5205e 100644
--- a/camera/device/1.0/types.hal
+++ b/camera/device/1.0/types.hal
@@ -16,10 +16,6 @@
 
 package android.hardware.camera.device@1.0;
 
-import android.hardware.graphics.allocator@2.0::types;
-
-typedef bitfield<ProducerUsage> ProducerUsageFlags;
-
 enum CameraFacing : uint32_t {
     /** The facing of the camera is opposite to that of the screen. */
     BACK = 0,
diff --git a/camera/device/3.2/default/Android.bp b/camera/device/3.2/default/Android.bp
index 5a81d41..e0dc5ff 100644
--- a/camera/device/3.2/default/Android.bp
+++ b/camera/device/3.2/default/Android.bp
@@ -17,8 +17,7 @@
         "libcamera_metadata"
     ],
     static_libs: [
-        "android.hardware.camera.common@1.0-helper",
-        "libgrallocusage"
+        "android.hardware.camera.common@1.0-helper"
     ],
     export_include_dirs: ["."]
 }
diff --git a/camera/device/3.2/default/CameraDeviceSession.cpp b/camera/device/3.2/default/CameraDeviceSession.cpp
index f2f9e5e..5b3024b 100644
--- a/camera/device/3.2/default/CameraDeviceSession.cpp
+++ b/camera/device/3.2/default/CameraDeviceSession.cpp
@@ -611,7 +611,7 @@
                 return Void();
             }
             mStreamMap[id].rotation = (int) requestedConfiguration.streams[i].rotation;
-            mStreamMap[id].usage = convertFromHidlUsage(requestedConfiguration.streams[i].usage);
+            mStreamMap[id].usage = (uint32_t) requestedConfiguration.streams[i].usage;
         }
         streams[i] = &mStreamMap[id];
     }
diff --git a/camera/device/3.2/default/convert.cpp b/camera/device/3.2/default/convert.cpp
index c99d903..35676df 100644
--- a/camera/device/3.2/default/convert.cpp
+++ b/camera/device/3.2/default/convert.cpp
@@ -15,12 +15,8 @@
  */
 
 #define LOG_TAG "android.hardware.camera.device@3.2-convert-impl"
-#include <inttypes.h>
-
 #include <android/log.h>
 
-#include <grallocusage/GrallocUsageConversion.h>
-
 #include "include/convert.h"
 
 namespace android {
@@ -32,7 +28,6 @@
 
 using ::android::hardware::graphics::common::V1_0::Dataspace;
 using ::android::hardware::graphics::common::V1_0::PixelFormat;
-using ::android::hardware::graphics::allocator::V2_0::ConsumerUsage;
 using ::android::hardware::camera::device::V3_2::ConsumerUsageFlags;
 using ::android::hardware::camera::device::V3_2::ProducerUsageFlags;
 
@@ -71,37 +66,23 @@
     dst->format = (int) src.format;
     dst->data_space = (android_dataspace_t) src.dataSpace;
     dst->rotation = (int) src.rotation;
-    dst->usage = convertFromHidlUsage(src.usage);
+    dst->usage = (uint32_t) src.usage;
     // Fields to be filled by HAL (max_buffers, priv) are initialized to 0
     dst->max_buffers = 0;
     dst->priv = 0;
     return;
 }
 
-uint32_t convertFromHidlUsage(ConsumerUsageFlags usage) {
-    uint32_t dstUsage = 0;
-    dstUsage = ::android_convertGralloc1To0Usage(/*producerUsage*/ 0, usage);
-    // Compatibility workaround - add HW_CAMERA_ZSL when ConsumerUsage.CAMERA is set, to
-    // match pre-HIDL expected usage flags
-    if ( (usage & ConsumerUsage::CAMERA) == static_cast<uint64_t>(ConsumerUsage::CAMERA)) {
-        dstUsage |= GRALLOC_USAGE_HW_CAMERA_ZSL;
-    }
-    return dstUsage;
-}
-
 void convertToHidl(const Camera3Stream* src, HalStream* dst) {
     dst->id = src->mId;
     dst->overrideFormat = (PixelFormat) src->format;
     dst->maxBuffers = src->max_buffers;
-    ConsumerUsageFlags consumerUsage;
-    ProducerUsageFlags producerUsage;
-    ::android_convertGralloc0To1Usage(src->usage, &producerUsage, &consumerUsage);
     if (src->stream_type == CAMERA3_STREAM_OUTPUT) {
         dst->consumerUsage = (ConsumerUsageFlags) 0;
-        dst->producerUsage = producerUsage;
+        dst->producerUsage = (ProducerUsageFlags) src->usage;
     } else if (src->stream_type == CAMERA3_STREAM_INPUT) {
         dst->producerUsage = (ProducerUsageFlags) 0;
-        dst->consumerUsage = consumerUsage;
+        dst->consumerUsage = (ConsumerUsageFlags) src->usage;
     } else {
         //Should not reach here per current HIDL spec, but we might end up adding
         // bi-directional stream to HIDL.
diff --git a/camera/device/3.2/default/include/convert.h b/camera/device/3.2/default/include/convert.h
index 7c8e02f..96891f0 100644
--- a/camera/device/3.2/default/include/convert.h
+++ b/camera/device/3.2/default/include/convert.h
@@ -45,8 +45,6 @@
 void convertFromHidl(const Stream &src, Camera3Stream* dst);
 void convertToHidl(const Camera3Stream* src, HalStream* dst);
 
-uint32_t convertFromHidlUsage(ConsumerUsageFlags usage);
-
 void convertFromHidl(
         buffer_handle_t*, BufferStatus, camera3_stream_t*, int acquireFence, // inputs
         camera3_stream_buffer_t* dst);
diff --git a/camera/provider/2.4/vts/functional/Android.bp b/camera/provider/2.4/vts/functional/Android.bp
index 02c42c9..a0be5cb 100644
--- a/camera/provider/2.4/vts/functional/Android.bp
+++ b/camera/provider/2.4/vts/functional/Android.bp
@@ -33,10 +33,7 @@
         "libgui",
         "libui"
     ],
-    static_libs: [
-        "VtsHalHidlTargetTestBase",
-        "libgrallocusage"
-    ],
+    static_libs: ["VtsHalHidlTargetTestBase"],
     cflags: [
         "-O0",
         "-g",
diff --git a/camera/provider/2.4/vts/functional/VtsHalCameraProviderV2_4TargetTest.cpp b/camera/provider/2.4/vts/functional/VtsHalCameraProviderV2_4TargetTest.cpp
index 4d3c6eb..74e6efe 100644
--- a/camera/provider/2.4/vts/functional/VtsHalCameraProviderV2_4TargetTest.cpp
+++ b/camera/provider/2.4/vts/functional/VtsHalCameraProviderV2_4TargetTest.cpp
@@ -21,7 +21,6 @@
 #include "CameraParameters.h"
 #include <system/camera.h>
 #include <android/log.h>
-#include <grallocusage/GrallocUsageConversion.h>
 #include <ui/GraphicBuffer.h>
 #include <VtsHalHidlTargetTestBase.h>
 #include <gui/BufferQueue.h>
@@ -54,7 +53,6 @@
 using ::android::Surface;
 using ::android::CameraParameters;
 using ::android::hardware::graphics::common::V1_0::PixelFormat;
-using ::android::hardware::graphics::allocator::V2_0::ConsumerUsage;
 using ::android::hardware::graphics::allocator::V2_0::ProducerUsage;
 using ::android::hardware::camera::common::V1_0::Status;
 using ::android::hardware::camera::common::V1_0::CameraDeviceStatus;
@@ -62,8 +60,6 @@
 using ::android::hardware::camera::common::V1_0::TorchModeStatus;
 using ::android::hardware::camera::provider::V2_4::ICameraProvider;
 using ::android::hardware::camera::provider::V2_4::ICameraProviderCallback;
-using ::android::hardware::camera::device::V3_2::ProducerUsageFlags;
-using ::android::hardware::camera::device::V3_2::ConsumerUsageFlags;
 using ::android::hardware::camera::device::V3_2::ICameraDevice;
 using ::android::hardware::camera::device::V3_2::BufferCache;
 using ::android::hardware::camera::device::V3_2::CaptureRequest;
@@ -84,7 +80,6 @@
 using ::android::hardware::camera::device::V3_2::MsgType;
 using ::android::hardware::camera::device::V3_2::ErrorMsg;
 using ::android::hardware::camera::device::V3_2::ErrorCode;
-using ::android::hardware::camera::device::V1_0::ProducerUsageFlags;
 using ::android::hardware::camera::device::V1_0::CameraFacing;
 using ::android::hardware::camera::device::V1_0::NotifyCallbackMsg;
 using ::android::hardware::camera::device::V1_0::CommandType;
@@ -238,7 +233,7 @@
     Return<Status> setCrop(int32_t left, int32_t top,
             int32_t right, int32_t bottom) override;
 
-    Return<Status> setUsage(ProducerUsageFlags usage) override;
+    Return<Status> setUsage(ProducerUsage usage) override;
 
     Return<Status> setSwapInterval(int32_t interval) override;
 
@@ -413,11 +408,10 @@
     return mapToStatus(rc);
 }
 
-Return<Status> PreviewWindowCb::setUsage(ProducerUsageFlags usage) {
-    int dstUsage = ::android_convertGralloc1To0Usage(usage, /*consumerUsage*/ 0);
-    auto rc = native_window_set_usage(mAnw.get(), dstUsage);
+Return<Status> PreviewWindowCb::setUsage(ProducerUsage usage) {
+    auto rc = native_window_set_usage(mAnw.get(), static_cast<int>(usage));
     if (rc == ::android::OK) {
-        mPreviewUsage = dstUsage;
+        mPreviewUsage =  static_cast<int>(usage);
     }
     return mapToStatus(rc);
 }
@@ -2205,7 +2199,7 @@
                             static_cast<uint32_t> (input.width),
                             static_cast<uint32_t> (input.height),
                             static_cast<PixelFormat> (input.format),
-                            static_cast<ConsumerUsageFlags>(ConsumerUsage::CAMERA), 0,
+                            GRALLOC_USAGE_HW_CAMERA_ZSL, 0,
                             StreamRotation::ROTATION_0};
                     Stream inputStream = {streamId++, StreamType::INPUT,
                             static_cast<uint32_t> (input.width),
@@ -2437,7 +2431,7 @@
                             static_cast<uint32_t> (blobIter.width),
                             static_cast<uint32_t> (blobIter.height),
                             static_cast<PixelFormat> (blobIter.format),
-                            static_cast<ConsumerUsageFlags>(ConsumerUsage::VIDEO_ENCODER), 0,
+                            GRALLOC_USAGE_HW_VIDEO_ENCODER, 0,
                             StreamRotation::ROTATION_0};
                     ::android::hardware::hidl_vec<Stream> streams = {
                             videoStream, blobStream};
diff --git a/configstore/1.0/default/SurfaceFlingerConfigs.cpp b/configstore/1.0/default/SurfaceFlingerConfigs.cpp
index 9469ab4..70bd803 100644
--- a/configstore/1.0/default/SurfaceFlingerConfigs.cpp
+++ b/configstore/1.0/default/SurfaceFlingerConfigs.cpp
@@ -12,7 +12,6 @@
 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
@@ -22,7 +21,6 @@
 Return<void> SurfaceFlingerConfigs::vsyncSfEventPhaseOffsetNs(vsyncEventPhaseOffsetNs_cb _hidl_cb) {
 #ifdef SF_VSYNC_EVENT_PHASE_OFFSET_NS
     _hidl_cb({true, SF_VSYNC_EVENT_PHASE_OFFSET_NS});
-    LOG(INFO) << "sfvsync event phase offset ns =  " << SF_VSYNC_EVENT_PHASE_OFFSET_NS;
 #else
     _hidl_cb({false, 0});
 #endif
@@ -32,7 +30,6 @@
 Return<void> SurfaceFlingerConfigs::useContextPriority(useContextPriority_cb _hidl_cb) {
 #ifdef USE_CONTEXT_PRIORITY
     _hidl_cb({true, USE_CONTEXT_PRIORITY});
-    LOG(INFO) << "SurfaceFlinger useContextPriority=" << USE_CONTEXT_PRIORITY;
 #else
     _hidl_cb({false, false});
 #endif
@@ -42,7 +39,6 @@
 Return<void> SurfaceFlingerConfigs::maxFrameBufferAcquiredBuffers(maxFrameBufferAcquiredBuffers_cb _hidl_cb) {
 #ifdef NUM_FRAMEBUFFER_SURFACE_BUFFERS
     _hidl_cb({true, NUM_FRAMEBUFFER_SURFACE_BUFFERS});
-    LOG(INFO) << "SurfaceFlinger FrameBuffer max acquired buffers : " << NUM_FRAMEBUFFER_SURFACE_BUFFERS;
 #else
     _hidl_cb({false, 0});
 #endif
@@ -55,7 +51,6 @@
     value = true;
 #endif
     _hidl_cb({true, value});
-    LOG(INFO) << "SurfaceFlinger Display: " << (value ? "Wide Color" : "Standard Color");
     return Void();
 }
 
@@ -65,7 +60,6 @@
     value = false;
 #endif
     _hidl_cb({true, value});
-    LOG(INFO) << "SurfaceFlinger hasSyncFramework: " << value;
     return Void();
 }
 
@@ -75,14 +69,12 @@
     value = true;
 #endif
     _hidl_cb({true, value});
-    LOG(INFO) << "SurfaceFlinger Display: " << (value ? "HDR" : "SDR");
     return Void();
 }
 
 Return<void> SurfaceFlingerConfigs::presentTimeOffsetFromVSyncNs(presentTimeOffsetFromVSyncNs_cb _hidl_cb) {
 #ifdef PRESENT_TIME_OFFSET_FROM_VSYNC_NS
       _hidl_cb({true, PRESENT_TIME_OFFSET_FROM_VSYNC_NS});
-      LOG(INFO) << "SurfaceFlinger presentTimeStampOffsetNs =  " << PRESENT_TIME_OFFSET_FROM_VSYNC_NS;
 #else
       _hidl_cb({false, 0});
 #endif
@@ -95,7 +87,6 @@
     value = true;
 #endif
     _hidl_cb({true, value});
-    LOG(INFO) << "SurfaceFlinger forceHwcForRGBtoYUV: " << value;
     return Void();
 }
 
@@ -104,7 +95,6 @@
 #ifdef MAX_VIRTUAL_DISPLAY_DIMENSION
   maxSize = MAX_VIRTUAL_DISPLAY_DIMENSION;
   _hidl_cb({true, maxSize});
-  LOG(INFO) << "SurfaceFlinger MaxVirtualDisplaySize: " << maxSize;
 #else
   _hidl_cb({false, maxSize});
 #endif
@@ -119,7 +109,6 @@
     specified = true;
 #endif
     _hidl_cb({specified, value});
-    LOG(INFO) << "SurfaceFlinger UseVrFlinger: " << (value ? "true" : "false");
     return Void();
 }
 
diff --git a/configstore/utils/Android.bp b/configstore/utils/Android.bp
index aa420d1..2c8aad6 100644
--- a/configstore/utils/Android.bp
+++ b/configstore/utils/Android.bp
@@ -14,14 +14,22 @@
 // limitations under the License.
 //
 
-cc_library_headers {
+cc_library_shared {
     name: "android.hardware.configstore-utils",
     defaults: ["hidl_defaults"],
+
+    srcs: [ "ConfigStoreUtils.cpp" ],
+
     export_include_dirs: ["include"],
+
     shared_libs: [
+        "android.hardware.configstore@1.0",
+        "libbase",
         "libhidlbase"
     ],
     export_shared_lib_headers: [
+        "android.hardware.configstore@1.0",
+        "libbase",
         "libhidlbase"
     ],
 }
diff --git a/configstore/utils/ConfigStoreUtils.cpp b/configstore/utils/ConfigStoreUtils.cpp
new file mode 100644
index 0000000..5a1fb42
--- /dev/null
+++ b/configstore/utils/ConfigStoreUtils.cpp
@@ -0,0 +1,40 @@
+//
+// 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 "ConfigStore"
+
+#include <android-base/logging.h>
+#include <configstore/Utils.h>
+
+namespace android {
+namespace hardware {
+namespace details {
+
+bool wouldLogInfo() {
+    return WOULD_LOG(INFO);
+}
+
+void logAlwaysInfo(const std::string& message) {
+    LOG(INFO) << message;
+}
+
+void logAlwaysError(const std::string& message) {
+    LOG(ERROR) << message;
+}
+
+}  // namespace details
+}  // namespace hardware
+}  // namespace android
diff --git a/configstore/utils/include/configstore/Utils.h b/configstore/utils/include/configstore/Utils.h
index 46cc9b0..a54ce85 100644
--- a/configstore/utils/include/configstore/Utils.h
+++ b/configstore/utils/include/configstore/Utils.h
@@ -17,24 +17,31 @@
 #ifndef ANDROID_HARDWARE_CONFIGSTORE_UTILS_H
 #define ANDROID_HARDWARE_CONFIGSTORE_UTILS_H
 
+#include <android/hardware/configstore/1.0/ISurfaceFlingerConfigs.h>
 #include <hidl/Status.h>
-#include <stdatomic.h>
 
-#pragma push_macro("LOG_TAG")
-#undef LOG_TAG
-#define LOG_TAG "ConfigStoreUtil"
+#include <sstream>
 
 namespace android {
 namespace hardware {
+
+namespace details {
+// Templated classes can use the below method
+// to avoid creating dependencies on liblog.
+bool wouldLogInfo();
+void logAlwaysInfo(const std::string& message);
+void logAlwaysError(const std::string& message);
+}  // namespace details
+
 namespace configstore {
+using namespace android::hardware::configstore::V1_0;
 // 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) {
+    using namespace android::hardware::details;
     auto getHelper = []()->V {
         V ret;
         sp<I> configs = I::getService();
@@ -47,7 +54,11 @@
                 ret = v;
             });
             if (!status.isOk()) {
-                ALOGE("HIDL call failed. %s", status.description().c_str());
+                std::ostringstream oss;
+                oss << "HIDL call failed for retrieving a config item from "
+                       "configstore : "
+                    << status.description().c_str();
+                logAlwaysError(oss.str());
                 ret.specified = false;
             }
         }
@@ -56,6 +67,24 @@
     };
     static V cachedValue = getHelper();
 
+    if (wouldLogInfo()) {
+        std::string iname = __PRETTY_FUNCTION__;
+        // func name starts with "func = " in __PRETTY_FUNCTION__
+        auto pos = iname.find("func = ");
+        if (pos != std::string::npos) {
+            iname = iname.substr(pos + sizeof("func = "));
+            iname.pop_back();  // remove trailing ']'
+        } else {
+            iname += " (unknown)";
+        }
+
+        std::ostringstream oss;
+        oss << iname << " retrieved: "
+            << (cachedValue.specified ? cachedValue.value : defValue)
+            << (cachedValue.specified ? "" : " (default)");
+        logAlwaysInfo(oss.str());
+    }
+
     return cachedValue.specified ? cachedValue.value : defValue;
 }
 
@@ -99,6 +128,4 @@
 }  // namespace hardware
 }  // namespace android
 
-#pragma pop_macro("LOG_TAG")
-
 #endif  // ANDROID_HARDWARE_CONFIGSTORE_UTILS_H
diff --git a/drm/1.0/vts/functional/drm_hal_vendor_test.cpp b/drm/1.0/vts/functional/drm_hal_vendor_test.cpp
index dcfee4e..bd78442c 100644
--- a/drm/1.0/vts/functional/drm_hal_vendor_test.cpp
+++ b/drm/1.0/vts/functional/drm_hal_vendor_test.cpp
@@ -973,8 +973,12 @@
         testing::ValuesIn(gVendorModules->getVendorModulePaths()));
 
 int main(int argc, char** argv) {
-    gVendorModules =
-            new drm_vts::VendorModules("/data/nativetest/drm_hidl_test/vendor");
+#if defined(__LP64__)
+    const char *kModulePath = "/data/local/tmp/64/lib";
+#else
+    const char *kModulePath = "/data/local/tmp/32/lib";
+#endif
+    gVendorModules = new drm_vts::VendorModules(kModulePath);
     ::testing::InitGoogleTest(&argc, argv);
     return RUN_ALL_TESTS();
 }
diff --git a/drm/1.0/vts/functional/vendor/lib/libvtswidevine.so b/drm/1.0/vts/functional/vendor/lib/libvtswidevine.so
deleted file mode 100755
index d365b34..0000000
--- a/drm/1.0/vts/functional/vendor/lib/libvtswidevine.so
+++ /dev/null
Binary files differ
diff --git a/keymaster/3.0/vts/functional/Android.mk b/keymaster/3.0/vts/functional/Android.mk
index 4265b9f..4098664 100644
--- a/keymaster/3.0/vts/functional/Android.mk
+++ b/keymaster/3.0/vts/functional/Android.mk
@@ -15,7 +15,7 @@
 LOCAL_PATH := $(call my-dir)
 
 include $(CLEAR_VARS)
-LOCAL_MODULE := keymaster_hidl_hal_test
+LOCAL_MODULE := VtsHalKeymasterV3_0TargetTest
 LOCAL_SRC_FILES := \
         authorization_set.cpp \
         attestation_record.cpp \
diff --git a/keymaster/3.0/vts/functional/keymaster_hidl_hal_test.cpp b/keymaster/3.0/vts/functional/keymaster_hidl_hal_test.cpp
index 2382f0b..edb1cd1 100644
--- a/keymaster/3.0/vts/functional/keymaster_hidl_hal_test.cpp
+++ b/keymaster/3.0/vts/functional/keymaster_hidl_hal_test.cpp
@@ -46,6 +46,8 @@
 // non-gtest argument will be used as the service name.
 string service_name = "default";
 
+static bool arm_deleteAllKeys = false;
+
 namespace android {
 namespace hardware {
 
@@ -488,13 +490,20 @@
         return ExportKey(format, key_blob_, client_id, app_data, key_material);
     }
 
-    ErrorCode DeleteKey(HidlBuf* key_blob) {
+    ErrorCode DeleteKey(HidlBuf* key_blob, bool keep_key_blob = false) {
         ErrorCode error = keymaster_->deleteKey(*key_blob);
-        *key_blob = HidlBuf();
+        if (!keep_key_blob) *key_blob = HidlBuf();
         return error;
     }
 
-    ErrorCode DeleteKey() { return DeleteKey(&key_blob_); }
+    ErrorCode DeleteKey(bool keep_key_blob = false) {
+        return DeleteKey(&key_blob_, keep_key_blob);
+    }
+
+    ErrorCode DeleteAllKeys() {
+        ErrorCode error = keymaster_->deleteAllKeys();
+        return error;
+    }
 
     ErrorCode GetCharacteristics(const HidlBuf& key_blob, const HidlBuf& client_id,
                                  const HidlBuf& app_data, KeyCharacteristics* key_characteristics) {
@@ -3893,6 +3902,124 @@
                         &cert_chain));
 }
 
+typedef KeymasterHidlTest KeyDeletionTest;
+
+/**
+ * KeyDeletionTest.DeleteKey
+ *
+ * This test checks that if rollback protection is implemented, DeleteKey invalidates a formerly
+ * valid key blob.
+ */
+TEST_F(KeyDeletionTest, DeleteKey) {
+    ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder()
+                                             .RsaSigningKey(1024, 3)
+                                             .Digest(Digest::NONE)
+                                             .Padding(PaddingMode::NONE)
+                                             .Authorization(TAG_NO_AUTH_REQUIRED)));
+
+    // Delete must work if rollback protection is implemented
+    AuthorizationSet teeEnforced(key_characteristics_.teeEnforced);
+    bool rollback_protected = teeEnforced.Contains(TAG_ROLLBACK_RESISTANT);
+
+    if (rollback_protected) {
+        ASSERT_EQ(ErrorCode::OK, DeleteKey(true /* keep key blob */));
+    } else {
+        auto delete_result = DeleteKey(true /* keep key blob */);
+        ASSERT_TRUE(delete_result == ErrorCode::OK | delete_result == ErrorCode::UNIMPLEMENTED);
+    }
+
+    string message = "12345678901234567890123456789012";
+    AuthorizationSet begin_out_params;
+
+    if (rollback_protected) {
+        EXPECT_EQ(ErrorCode::INVALID_KEY_BLOB,
+                Begin(KeyPurpose::SIGN, key_blob_,
+                        AuthorizationSetBuilder().Digest(Digest::NONE).Padding(PaddingMode::NONE),
+                        &begin_out_params, &op_handle_));
+    } else {
+        EXPECT_EQ(ErrorCode::OK,
+                Begin(KeyPurpose::SIGN, key_blob_,
+                        AuthorizationSetBuilder().Digest(Digest::NONE).Padding(PaddingMode::NONE),
+                        &begin_out_params, &op_handle_));
+    }
+    AbortIfNeeded();
+    key_blob_ = HidlBuf();
+}
+
+/**
+ * KeyDeletionTest.DeleteInvalidKey
+ *
+ * This test checks that the HAL excepts invalid key blobs.
+ */
+TEST_F(KeyDeletionTest, DeleteInvalidKey) {
+    // Generate key just to check if rollback protection is implemented
+    ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder()
+                                             .RsaSigningKey(1024, 3)
+                                             .Digest(Digest::NONE)
+                                             .Padding(PaddingMode::NONE)
+                                             .Authorization(TAG_NO_AUTH_REQUIRED)));
+
+    // Delete must work if rollback protection is implemented
+    AuthorizationSet teeEnforced(key_characteristics_.teeEnforced);
+    bool rollback_protected = teeEnforced.Contains(TAG_ROLLBACK_RESISTANT);
+
+    // Delete the key we don't care about the result at this point.
+    DeleteKey();
+
+    // Now create an invalid key blob and delete it.
+    key_blob_ = HidlBuf("just some garbage data which is not a valid key blob");
+
+    if (rollback_protected) {
+        ASSERT_EQ(ErrorCode::OK, DeleteKey());
+    } else {
+        auto delete_result = DeleteKey();
+        ASSERT_TRUE(delete_result == ErrorCode::OK | delete_result == ErrorCode::UNIMPLEMENTED);
+    }
+}
+
+/**
+ * KeyDeletionTest.DeleteAllKeys
+ *
+ * This test is disarmed by default. To arm it use --arm_deleteAllKeys.
+ *
+ * BEWARE: This test has serious side effects. All user keys will be lost! This includes
+ * FBE/FDE encryption keys, which means that the device will not even boot until after the
+ * device has been wiped manually (e.g., fastboot flashall -w), and new FBE/FDE keys have
+ * been provisioned. Use this test only on dedicated testing devices that have no valuable
+ * credentials stored in Keystore/Keymaster.
+ */
+TEST_F(KeyDeletionTest, DeleteAllKeys) {
+    if (!arm_deleteAllKeys) return;
+    ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder()
+                                             .RsaSigningKey(1024, 3)
+                                             .Digest(Digest::NONE)
+                                             .Padding(PaddingMode::NONE)
+                                             .Authorization(TAG_NO_AUTH_REQUIRED)));
+
+    // Delete must work if rollback protection is implemented
+    AuthorizationSet teeEnforced(key_characteristics_.teeEnforced);
+    bool rollback_protected = teeEnforced.Contains(TAG_ROLLBACK_RESISTANT);
+
+    ASSERT_EQ(ErrorCode::OK, DeleteAllKeys());
+
+    string message = "12345678901234567890123456789012";
+    AuthorizationSet begin_out_params;
+
+    if (rollback_protected) {
+        EXPECT_EQ(ErrorCode::INVALID_KEY_BLOB,
+                Begin(KeyPurpose::SIGN, key_blob_,
+                        AuthorizationSetBuilder().Digest(Digest::NONE).Padding(PaddingMode::NONE),
+                        &begin_out_params, &op_handle_));
+    } else {
+        EXPECT_EQ(ErrorCode::OK,
+                Begin(KeyPurpose::SIGN, key_blob_,
+                        AuthorizationSetBuilder().Digest(Digest::NONE).Padding(PaddingMode::NONE),
+                        &begin_out_params, &op_handle_));
+    }
+    AbortIfNeeded();
+    key_blob_ = HidlBuf();
+}
+
 }  // namespace test
 }  // namespace V3_0
 }  // namespace keymaster
@@ -3901,9 +4028,19 @@
 
 int main(int argc, char** argv) {
     ::testing::InitGoogleTest(&argc, argv);
-    if (argc == 2) {
-        ALOGI("Running keymaster VTS against service \"%s\"", argv[1]);
-        service_name = argv[1];
+    std::vector<std::string> positional_args;
+    for (int i = 1; i < argc; ++i) {
+        if (argv[i][0] == '-') {
+            if (std::string(argv[i]) == "--arm_deleteAllKeys") {
+                arm_deleteAllKeys = true;
+            }
+        } else {
+            positional_args.push_back(argv[i]);
+        }
+    }
+    if (positional_args.size()) {
+        ALOGI("Running keymaster VTS against service \"%s\"", positional_args[0].c_str());
+        service_name = positional_args[0];
     }
     int status = RUN_ALL_TESTS();
     ALOGI("Test result = %d", status);
diff --git a/wifi/1.0/default/hidl_callback_util.h b/wifi/1.0/default/hidl_callback_util.h
index 7136279..b7100c8 100644
--- a/wifi/1.0/default/hidl_callback_util.h
+++ b/wifi/1.0/default/hidl_callback_util.h
@@ -82,7 +82,7 @@
     return true;
   }
 
-  const std::set<android::sp<CallbackType>> getCallbacks() { return cb_set_; }
+  const std::set<android::sp<CallbackType>>& getCallbacks() { return cb_set_; }
 
   // Death notification for callbacks.
   void onObjectDeath(uint64_t cookie) {
diff --git a/wifi/1.0/default/hidl_struct_util.cpp b/wifi/1.0/default/hidl_struct_util.cpp
index df9c9df..83b2e53 100644
--- a/wifi/1.0/default/hidl_struct_util.cpp
+++ b/wifi/1.0/default/hidl_struct_util.cpp
@@ -417,17 +417,25 @@
     const wifi_ie& legacy_ie = (*reinterpret_cast<const wifi_ie*>(next_ie));
     uint32_t curr_ie_len = kIeHeaderLen + legacy_ie.len;
     if (next_ie + curr_ie_len > ies_end) {
-      return false;
+      LOG(ERROR) << "Error parsing IE blob. Next IE: " << (void *)next_ie
+                 << ", Curr IE len: " << curr_ie_len << ", IEs End: " << (void *)ies_end;
+      break;
     }
     WifiInformationElement hidl_ie;
     if (!convertLegacyIeToHidl(legacy_ie, &hidl_ie)) {
-      return false;
+      LOG(ERROR) << "Error converting IE. Id: " << legacy_ie.id
+                 << ", len: " << legacy_ie.len;
+      break;
     }
     hidl_ies->push_back(std::move(hidl_ie));
     next_ie += curr_ie_len;
   }
-  // Ensure that the blob has been fully consumed.
-  return (next_ie == ies_end);
+  // Check if the blob has been fully consumed.
+  if (next_ie != ies_end) {
+    LOG(ERROR) << "Failed to fully parse IE blob. Next IE: " << (void *)next_ie
+               << ", IEs End: " << (void *)ies_end;
+  }
+  return true;
 }
 
 bool convertLegacyGscanResultToHidl(
diff --git a/wifi/1.0/default/wifi_chip.cpp b/wifi/1.0/default/wifi_chip.cpp
index 9c41a40..319e126 100644
--- a/wifi/1.0/default/wifi_chip.cpp
+++ b/wifi/1.0/default/wifi_chip.cpp
@@ -855,7 +855,8 @@
     for (const auto& callback : shared_ptr_this->getEventCallbacks()) {
       if (!callback->onDebugRingBufferDataAvailable(hidl_status, data).isOk()) {
         LOG(ERROR) << "Failed to invoke onDebugRingBufferDataAvailable"
-                   << " callback";
+                   << " callback on: " << toString(callback);
+
       }
     }
   };