Merge "Fix the NNAPI vts tests about validateExecuteFenced"
diff --git a/automotive/vehicle/2.0/default/Android.bp b/automotive/vehicle/2.0/default/Android.bp
index 2050038..a94a37e 100644
--- a/automotive/vehicle/2.0/default/Android.bp
+++ b/automotive/vehicle/2.0/default/Android.bp
@@ -82,6 +82,20 @@
     ],
 }
 
+// VHal virtualization utils
+cc_library_static {
+    name: "android.hardware.automotive.vehicle@2.0-virtualization-utils",
+    vendor: true,
+    defaults: ["vhal_v2_0_defaults"],
+    srcs: [
+        "impl/vhal_v2_0/virtualization/Utils.cpp",
+    ],
+    export_include_dirs: ["impl"],
+    shared_libs: [
+        "libbase",
+    ],
+}
+
 cc_test {
     name: "android.hardware.automotive.vehicle@2.0-manager-unit-tests",
     vendor: true,
@@ -133,3 +147,59 @@
         "libqemu_pipe",
     ],
 }
+
+cc_binary {
+    name: "android.hardware.automotive.vehicle@2.0-virtualization-service",
+    defaults: ["vhal_v2_0_defaults"],
+    init_rc: ["android.hardware.automotive.vehicle@2.0-virtualization-service.rc"],
+    vendor: true,
+    relative_install_path: "hw",
+    srcs: [
+        "impl/vhal_v2_0/virtualization/GrpcVehicleClient.cpp",
+        "VirtualizedVehicleService.cpp",
+    ],
+    shared_libs: [
+        "libbase",
+        "libcutils",
+        "libjsoncpp",
+        "libprotobuf-cpp-full",
+        "libgrpc++",
+    ],
+    static_libs: [
+        "android.hardware.automotive.vehicle@2.0-manager-lib",
+        "android.hardware.automotive.vehicle@2.0-default-impl-lib",
+        "android.hardware.automotive.vehicle@2.0-grpc",
+        "android.hardware.automotive.vehicle@2.0-virtualization-utils",
+        "libqemu_pipe",
+    ],
+    cflags: [
+        "-Wno-unused-parameter"
+    ],
+}
+
+cc_binary {
+    name: "android.hardware.automotive.vehicle@2.0-virtualization-grpc-server",
+    init_rc: ["android.hardware.automotive.vehicle@2.0-virtualization-grpc-server.rc"],
+    defaults: ["vhal_v2_0_defaults"],
+    vendor: true,
+    relative_install_path: "hw",
+    srcs: [
+        "impl/vhal_v2_0/virtualization/GrpcVehicleServer.cpp",
+        "VirtualizationGrpcServer.cpp",
+    ],
+    shared_libs: [
+        "libbase",
+        "libjsoncpp",
+        "libprotobuf-cpp-full",
+        "libgrpc++",
+    ],
+    static_libs: [
+        "android.hardware.automotive.vehicle@2.0-manager-lib",
+        "android.hardware.automotive.vehicle@2.0-default-impl-lib",
+        "android.hardware.automotive.vehicle@2.0-grpc",
+        "android.hardware.automotive.vehicle@2.0-virtualization-utils",
+    ],
+    cflags: [
+        "-Wno-unused-parameter"
+    ],
+}
diff --git a/automotive/vehicle/2.0/default/VirtualizationGrpcServer.cpp b/automotive/vehicle/2.0/default/VirtualizationGrpcServer.cpp
new file mode 100644
index 0000000..cca65d9
--- /dev/null
+++ b/automotive/vehicle/2.0/default/VirtualizationGrpcServer.cpp
@@ -0,0 +1,49 @@
+#include <android-base/logging.h>
+#include <getopt.h>
+#include <unistd.h>
+
+#include "vhal_v2_0/virtualization/GrpcVehicleServer.h"
+#include "vhal_v2_0/virtualization/Utils.h"
+
+int main(int argc, char* argv[]) {
+    namespace vhal_impl = android::hardware::automotive::vehicle::V2_0::impl;
+
+    vhal_impl::VsockServerInfo serverInfo;
+
+    // unique values to identify the options
+    constexpr int OPT_VHAL_SERVER_CID = 1001;
+    constexpr int OPT_VHAL_SERVER_PORT_NUMBER = 1002;
+
+    struct option longOptions[] = {
+            {"server_cid", 1, 0, OPT_VHAL_SERVER_CID},
+            {"server_port", 1, 0, OPT_VHAL_SERVER_PORT_NUMBER},
+            {nullptr, 0, nullptr, 0},
+    };
+
+    int optValue;
+    while ((optValue = getopt_long_only(argc, argv, ":", longOptions, 0)) != -1) {
+        switch (optValue) {
+            case OPT_VHAL_SERVER_CID:
+                serverInfo.serverCid = std::atoi(optarg);
+                LOG(DEBUG) << "Vehicle HAL server CID: " << serverInfo.serverCid;
+                break;
+            case OPT_VHAL_SERVER_PORT_NUMBER:
+                serverInfo.serverPort = std::atoi(optarg);
+                LOG(DEBUG) << "Vehicle HAL server port: " << serverInfo.serverPort;
+                break;
+            default:
+                // ignore other options
+                break;
+        }
+    }
+
+    if (serverInfo.serverCid == 0 || serverInfo.serverPort == 0) {
+        LOG(FATAL) << "Invalid server information, CID: " << serverInfo.serverCid
+                   << "; port: " << serverInfo.serverPort;
+        // Will abort after logging
+    }
+
+    auto server = vhal_impl::makeGrpcVehicleServer(vhal_impl::getVsockUri(serverInfo));
+    server->Start();
+    return 0;
+}
diff --git a/automotive/vehicle/2.0/default/VirtualizedVehicleService.cpp b/automotive/vehicle/2.0/default/VirtualizedVehicleService.cpp
new file mode 100644
index 0000000..1de81ae
--- /dev/null
+++ b/automotive/vehicle/2.0/default/VirtualizedVehicleService.cpp
@@ -0,0 +1,74 @@
+/*
+ * Copyright (C) 2019 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.
+ */
+
+#include <android-base/logging.h>
+#include <cutils/properties.h>
+#include <hidl/HidlTransportSupport.h>
+
+#include <vhal_v2_0/EmulatedVehicleConnector.h>
+#include <vhal_v2_0/EmulatedVehicleHal.h>
+#include <vhal_v2_0/VehicleHalManager.h>
+#include <vhal_v2_0/virtualization/GrpcVehicleClient.h>
+#include <vhal_v2_0/virtualization/Utils.h>
+
+using namespace android;
+using namespace android::hardware;
+using namespace android::hardware::automotive::vehicle::V2_0;
+
+int main(int argc, char* argv[]) {
+    constexpr const char* VHAL_SERVER_CID_PROPERTY_KEY = "ro.vendor.vehiclehal.server.cid";
+    constexpr const char* VHAL_SERVER_PORT_PROPERTY_KEY = "ro.vendor.vehiclehal.server.port";
+
+    auto property_get_uint = [](const char* key, unsigned int default_value) {
+        auto value = property_get_int64(key, default_value);
+        if (value < 0 || value > UINT_MAX) {
+            LOG(DEBUG) << key << ": " << value << " is out of bound, using default value '"
+                       << default_value << "' instead";
+            return default_value;
+        }
+        return static_cast<unsigned int>(value);
+    };
+
+    impl::VsockServerInfo serverInfo{property_get_uint(VHAL_SERVER_CID_PROPERTY_KEY, 0),
+                                     property_get_uint(VHAL_SERVER_PORT_PROPERTY_KEY, 0)};
+
+    if (serverInfo.serverCid == 0 || serverInfo.serverPort == 0) {
+        LOG(FATAL) << "Invalid server information, CID: " << serverInfo.serverCid
+                   << "; port: " << serverInfo.serverPort;
+        // Will abort after logging
+    }
+
+    auto store = std::make_unique<VehiclePropertyStore>();
+    auto connector = impl::makeGrpcVehicleClient(impl::getVsockUri(serverInfo));
+    auto hal = std::make_unique<impl::EmulatedVehicleHal>(store.get(), connector.get());
+    auto emulator = std::make_unique<impl::VehicleEmulator>(hal.get());
+    auto service = std::make_unique<VehicleHalManager>(hal.get());
+
+    configureRpcThreadpool(4, true /* callerWillJoin */);
+
+    LOG(INFO) << "Registering as service...";
+    status_t status = service->registerAsService();
+
+    if (status != OK) {
+        LOG(ERROR) << "Unable to register vehicle service (" << status << ")";
+        return 1;
+    }
+
+    LOG(INFO) << "Ready";
+    joinRpcThreadpool();
+
+    return 1;
+}
diff --git a/automotive/vehicle/2.0/default/android.hardware.automotive.vehicle@2.0-virtualization-grpc-server.rc b/automotive/vehicle/2.0/default/android.hardware.automotive.vehicle@2.0-virtualization-grpc-server.rc
new file mode 100644
index 0000000..29147ad
--- /dev/null
+++ b/automotive/vehicle/2.0/default/android.hardware.automotive.vehicle@2.0-virtualization-grpc-server.rc
@@ -0,0 +1,10 @@
+# It is an interim state to run GRPC server as an Android service.
+# Eventually it will run outside of Android (e.g., AGL),
+# so the command line arguments are expected, though not conventionally used in Android
+service vendor.vehicle-hal-2.0-server \
+        /vendor/bin/hw/android.hardware.automotive.vehicle@2.0-virtualization-grpc-server \
+        -server_cid ${ro.vendor.vehiclehal.server.cid:-0} \
+        -server_port ${ro.vendor.vehiclehal.server.port:-0}
+    class hal
+    user vehicle_network
+    group system inet
diff --git a/automotive/vehicle/2.0/default/android.hardware.automotive.vehicle@2.0-virtualization-service.rc b/automotive/vehicle/2.0/default/android.hardware.automotive.vehicle@2.0-virtualization-service.rc
new file mode 100644
index 0000000..234de59
--- /dev/null
+++ b/automotive/vehicle/2.0/default/android.hardware.automotive.vehicle@2.0-virtualization-service.rc
@@ -0,0 +1,4 @@
+service vendor.vehicle-hal-2.0 /vendor/bin/hw/android.hardware.automotive.vehicle@2.0-virtualization-service
+    class hal
+    user vehicle_network
+    group system inet
diff --git a/automotive/vehicle/2.0/default/impl/vhal_v2_0/proto/VehicleServer.proto b/automotive/vehicle/2.0/default/impl/vhal_v2_0/proto/VehicleServer.proto
index 2cc6595..6f71d65 100644
--- a/automotive/vehicle/2.0/default/impl/vhal_v2_0/proto/VehicleServer.proto
+++ b/automotive/vehicle/2.0/default/impl/vhal_v2_0/proto/VehicleServer.proto
@@ -35,13 +35,23 @@
     VehicleHalStatusCode status_code    = 1;
 }
 
+message WrappedVehiclePropValue {
+    VehiclePropValue value              = 1;
+    // An indicator on whether we should update the status of the property
+    //   - true: if the value is generated by (emulated/real) car, or;
+    //           if the value is injected to 'fake' a on car event (for debugging purpose)
+    //   - false: if the value is set by VHal (public interface), since Android
+    //            cannot change status of property on a real car
+    bool update_status                  = 2;
+}
+
 service VehicleServer {
     rpc GetAllPropertyConfig(google.protobuf.Empty) returns (stream VehiclePropConfig) {}
 
     // Change the property value of the vehicle
-    rpc SetProperty(VehiclePropValue) returns (VehicleHalCallStatus) {}
+    rpc SetProperty(WrappedVehiclePropValue) returns (VehicleHalCallStatus) {}
 
     // Start a vehicle property value stream
-    rpc StartPropertyValuesStream(google.protobuf.Empty) returns (stream VehiclePropValue) {}
+    rpc StartPropertyValuesStream(google.protobuf.Empty) returns (stream WrappedVehiclePropValue) {}
 }
 
diff --git a/automotive/vehicle/2.0/default/impl/vhal_v2_0/virtualization/GrpcVehicleClient.cpp b/automotive/vehicle/2.0/default/impl/vhal_v2_0/virtualization/GrpcVehicleClient.cpp
new file mode 100644
index 0000000..e329c5b
--- /dev/null
+++ b/automotive/vehicle/2.0/default/impl/vhal_v2_0/virtualization/GrpcVehicleClient.cpp
@@ -0,0 +1,162 @@
+/*
+ * Copyright (C) 2019 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.
+ */
+#include "GrpcVehicleClient.h"
+
+#include <condition_variable>
+#include <mutex>
+
+#include <android-base/logging.h>
+#include <grpc++/grpc++.h>
+
+#include "VehicleServer.grpc.pb.h"
+#include "VehicleServer.pb.h"
+#include "vhal_v2_0/ProtoMessageConverter.h"
+
+namespace android {
+namespace hardware {
+namespace automotive {
+namespace vehicle {
+namespace V2_0 {
+
+namespace impl {
+
+static std::shared_ptr<::grpc::ChannelCredentials> getChannelCredentials() {
+    // TODO(chenhaosjtuacm): get secured credentials here
+    return ::grpc::InsecureChannelCredentials();
+}
+
+class GrpcVehicleClientImpl : public EmulatedVehicleClient {
+  public:
+    GrpcVehicleClientImpl(const std::string& addr)
+        : mServiceAddr(addr),
+          mGrpcChannel(::grpc::CreateChannel(mServiceAddr, getChannelCredentials())),
+          mGrpcStub(vhal_proto::VehicleServer::NewStub(mGrpcChannel)) {
+        StartValuePollingThread();
+    }
+
+    ~GrpcVehicleClientImpl() {
+        mShuttingDownFlag.store(true);
+        mShutdownCV.notify_all();
+        if (mPollingThread.joinable()) {
+            mPollingThread.join();
+        }
+    }
+
+    // methods from IVehicleClient
+
+    std::vector<VehiclePropConfig> getAllPropertyConfig() const override;
+
+    StatusCode setProperty(const VehiclePropValue& value, bool updateStatus) override;
+
+  private:
+    void StartValuePollingThread();
+
+    // private data members
+
+    std::string mServiceAddr;
+    std::shared_ptr<::grpc::Channel> mGrpcChannel;
+    std::unique_ptr<vhal_proto::VehicleServer::Stub> mGrpcStub;
+    std::thread mPollingThread;
+
+    std::mutex mShutdownMutex;
+    std::condition_variable mShutdownCV;
+    std::atomic<bool> mShuttingDownFlag{false};
+};
+
+std::unique_ptr<EmulatedVehicleClient> makeGrpcVehicleClient(const std::string& addr) {
+    return std::make_unique<GrpcVehicleClientImpl>(addr);
+}
+
+std::vector<VehiclePropConfig> GrpcVehicleClientImpl::getAllPropertyConfig() const {
+    std::vector<VehiclePropConfig> configs;
+    ::grpc::ClientContext context;
+    auto config_stream = mGrpcStub->GetAllPropertyConfig(&context, ::google::protobuf::Empty());
+    vhal_proto::VehiclePropConfig protoConfig;
+    while (config_stream->Read(&protoConfig)) {
+        VehiclePropConfig config;
+        proto_msg_converter::fromProto(&config, protoConfig);
+        configs.emplace_back(std::move(config));
+    }
+    auto grpc_status = config_stream->Finish();
+    if (!grpc_status.ok()) {
+        LOG(ERROR) << __func__
+                   << ": GRPC GetAllPropertyConfig Failed: " << grpc_status.error_message();
+        configs.clear();
+    }
+
+    return configs;
+}
+
+StatusCode GrpcVehicleClientImpl::setProperty(const VehiclePropValue& value, bool updateStatus) {
+    ::grpc::ClientContext context;
+    vhal_proto::WrappedVehiclePropValue wrappedProtoValue;
+    vhal_proto::VehicleHalCallStatus vhal_status;
+    proto_msg_converter::toProto(wrappedProtoValue.mutable_value(), value);
+    wrappedProtoValue.set_update_status(updateStatus);
+
+    auto grpc_status = mGrpcStub->SetProperty(&context, wrappedProtoValue, &vhal_status);
+    if (!grpc_status.ok()) {
+        LOG(ERROR) << __func__ << ": GRPC SetProperty Failed: " << grpc_status.error_message();
+        return StatusCode::INTERNAL_ERROR;
+    }
+
+    return static_cast<StatusCode>(vhal_status.status_code());
+}
+
+void GrpcVehicleClientImpl::StartValuePollingThread() {
+    mPollingThread = std::thread([this]() {
+        while (!mShuttingDownFlag.load()) {
+            ::grpc::ClientContext context;
+
+            std::atomic<bool> rpc_ok{true};
+            std::thread shuttingdown_watcher([this, &rpc_ok, &context]() {
+                std::unique_lock<std::mutex> shutdownLock(mShutdownMutex);
+                mShutdownCV.wait(shutdownLock, [this, &rpc_ok]() {
+                    return !rpc_ok.load() || mShuttingDownFlag.load();
+                });
+                context.TryCancel();
+            });
+
+            auto value_stream =
+                    mGrpcStub->StartPropertyValuesStream(&context, ::google::protobuf::Empty());
+            vhal_proto::WrappedVehiclePropValue wrappedProtoValue;
+            while (!mShuttingDownFlag.load() && value_stream->Read(&wrappedProtoValue)) {
+                VehiclePropValue value;
+                proto_msg_converter::fromProto(&value, wrappedProtoValue.value());
+                onPropertyValue(value, wrappedProtoValue.update_status());
+            }
+
+            rpc_ok.store(false);
+            mShutdownCV.notify_all();
+            shuttingdown_watcher.join();
+
+            auto grpc_status = value_stream->Finish();
+            // never reach here until connection lost
+            LOG(ERROR) << __func__
+                       << ": GRPC Value Streaming Failed: " << grpc_status.error_message();
+
+            // try to reconnect
+        }
+    });
+}
+
+}  // namespace impl
+
+}  // namespace V2_0
+}  // namespace vehicle
+}  // namespace automotive
+}  // namespace hardware
+}  // namespace android
diff --git a/automotive/vehicle/2.0/default/impl/vhal_v2_0/virtualization/GrpcVehicleClient.h b/automotive/vehicle/2.0/default/impl/vhal_v2_0/virtualization/GrpcVehicleClient.h
new file mode 100644
index 0000000..14eae7f
--- /dev/null
+++ b/automotive/vehicle/2.0/default/impl/vhal_v2_0/virtualization/GrpcVehicleClient.h
@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) 2019 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_automotive_vehicle_V2_0_impl_virtialization_GrpcVehicleClient_H_
+#define android_hardware_automotive_vehicle_V2_0_impl_virtialization_GrpcVehicleClient_H_
+
+#include "vhal_v2_0/EmulatedVehicleConnector.h"
+
+namespace android {
+namespace hardware {
+namespace automotive {
+namespace vehicle {
+namespace V2_0 {
+
+namespace impl {
+
+std::unique_ptr<EmulatedVehicleClient> makeGrpcVehicleClient(const std::string& addr);
+
+}  // namespace impl
+
+}  // namespace V2_0
+}  // namespace vehicle
+}  // namespace automotive
+}  // namespace hardware
+}  // namespace android
+
+#endif  // android_hardware_automotive_vehicle_V2_0_impl_virtialization_GrpcVehicleClient_H_
diff --git a/automotive/vehicle/2.0/default/impl/vhal_v2_0/virtualization/GrpcVehicleServer.cpp b/automotive/vehicle/2.0/default/impl/vhal_v2_0/virtualization/GrpcVehicleServer.cpp
new file mode 100644
index 0000000..e30b3be
--- /dev/null
+++ b/automotive/vehicle/2.0/default/impl/vhal_v2_0/virtualization/GrpcVehicleServer.cpp
@@ -0,0 +1,229 @@
+/*
+ * Copyright (C) 2019 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.
+ */
+#include "GrpcVehicleServer.h"
+
+#include <condition_variable>
+#include <mutex>
+#include <shared_mutex>
+
+#include <android-base/logging.h>
+#include <grpc++/grpc++.h>
+
+#include "VehicleServer.grpc.pb.h"
+#include "VehicleServer.pb.h"
+#include "vhal_v2_0/ProtoMessageConverter.h"
+
+namespace android {
+namespace hardware {
+namespace automotive {
+namespace vehicle {
+namespace V2_0 {
+
+namespace impl {
+
+class GrpcVehicleServerImpl : public GrpcVehicleServer, public vhal_proto::VehicleServer::Service {
+  public:
+    GrpcVehicleServerImpl(const std::string& addr) : mServiceAddr(addr) {
+        setValuePool(&mValueObjectPool);
+    }
+
+    // method from GrpcVehicleServer
+    void Start() override;
+
+    // method from IVehicleServer
+    void onPropertyValueFromCar(const VehiclePropValue& value, bool updateStatus) override;
+
+    // methods from vhal_proto::VehicleServer::Service
+
+    ::grpc::Status GetAllPropertyConfig(
+            ::grpc::ServerContext* context, const ::google::protobuf::Empty* request,
+            ::grpc::ServerWriter<vhal_proto::VehiclePropConfig>* stream) override;
+
+    ::grpc::Status SetProperty(::grpc::ServerContext* context,
+                               const vhal_proto::WrappedVehiclePropValue* wrappedPropValue,
+                               vhal_proto::VehicleHalCallStatus* status) override;
+
+    ::grpc::Status StartPropertyValuesStream(
+            ::grpc::ServerContext* context, const ::google::protobuf::Empty* request,
+            ::grpc::ServerWriter<vhal_proto::WrappedVehiclePropValue>* stream) override;
+
+  private:
+    // We keep long-lasting connection for streaming the prop values.
+    // For us, each connection can be represented as a function to send the new value, and
+    // an ID to identify this connection
+    struct ConnectionDescriptor {
+        using ValueWriterType = std::function<bool(const vhal_proto::WrappedVehiclePropValue&)>;
+
+        ConnectionDescriptor(ValueWriterType&& value_writer)
+            : mValueWriter(std::move(value_writer)),
+              mConnectionID(CONNECTION_ID_COUNTER.fetch_add(1)) {}
+
+        ConnectionDescriptor(const ConnectionDescriptor&) = delete;
+
+        ConnectionDescriptor& operator=(const ConnectionDescriptor&) = delete;
+
+        // This move constructor is NOT THREAD-SAFE, which means it cannot be moved
+        // while using. Since the connection descriptors are pretected by mConnectionMutex
+        // then we are fine here
+        ConnectionDescriptor(ConnectionDescriptor&& cd)
+            : mValueWriter(std::move(cd.mValueWriter)),
+              mConnectionID(cd.mConnectionID),
+              mIsAlive(cd.mIsAlive.load()) {
+            cd.mIsAlive.store(false);
+        }
+
+        ValueWriterType mValueWriter;
+        uint64_t mConnectionID;
+        std::atomic<bool> mIsAlive{true};
+
+        static std::atomic<uint64_t> CONNECTION_ID_COUNTER;
+    };
+
+    std::string mServiceAddr;
+    VehiclePropValuePool mValueObjectPool;
+    mutable std::shared_mutex mConnectionMutex;
+    mutable std::shared_mutex mWriterMutex;
+    std::list<ConnectionDescriptor> mValueStreamingConnections;
+};
+
+std::atomic<uint64_t> GrpcVehicleServerImpl::ConnectionDescriptor::CONNECTION_ID_COUNTER = 0;
+
+static std::shared_ptr<::grpc::ServerCredentials> getServerCredentials() {
+    // TODO(chenhaosjtuacm): get secured credentials here
+    return ::grpc::InsecureServerCredentials();
+}
+
+GrpcVehicleServerPtr makeGrpcVehicleServer(const std::string& addr) {
+    return std::make_unique<GrpcVehicleServerImpl>(addr);
+}
+
+void GrpcVehicleServerImpl::Start() {
+    ::grpc::ServerBuilder builder;
+    builder.RegisterService(this);
+    builder.AddListeningPort(mServiceAddr, getServerCredentials());
+    std::unique_ptr<::grpc::Server> server(builder.BuildAndStart());
+
+    server->Wait();
+}
+
+void GrpcVehicleServerImpl::onPropertyValueFromCar(const VehiclePropValue& value,
+                                                   bool updateStatus) {
+    vhal_proto::WrappedVehiclePropValue wrappedPropValue;
+    proto_msg_converter::toProto(wrappedPropValue.mutable_value(), value);
+    wrappedPropValue.set_update_status(updateStatus);
+    std::shared_lock read_lock(mConnectionMutex);
+
+    bool has_terminated_connections = 0;
+
+    for (auto& connection : mValueStreamingConnections) {
+        auto writeOK = connection.mValueWriter(wrappedPropValue);
+        if (!writeOK) {
+            LOG(ERROR) << __func__ << ": Server Write failed, connection lost. ID: "
+                       << connection.mConnectionID;
+            has_terminated_connections = true;
+            connection.mIsAlive.store(false);
+        }
+    }
+
+    if (!has_terminated_connections) {
+        return;
+    }
+
+    read_lock.unlock();
+
+    std::unique_lock write_lock(mConnectionMutex);
+
+    for (auto itr = mValueStreamingConnections.begin(); itr != mValueStreamingConnections.end();) {
+        if (!itr->mIsAlive.load()) {
+            itr = mValueStreamingConnections.erase(itr);
+        } else {
+            ++itr;
+        }
+    }
+}
+
+::grpc::Status GrpcVehicleServerImpl::GetAllPropertyConfig(
+        ::grpc::ServerContext* context, const ::google::protobuf::Empty* request,
+        ::grpc::ServerWriter<vhal_proto::VehiclePropConfig>* stream) {
+    auto configs = onGetAllPropertyConfig();
+    for (auto& config : configs) {
+        vhal_proto::VehiclePropConfig protoConfig;
+        proto_msg_converter::toProto(&protoConfig, config);
+        if (!stream->Write(protoConfig)) {
+            return ::grpc::Status(::grpc::StatusCode::ABORTED, "Connection lost.");
+        }
+    }
+
+    return ::grpc::Status::OK;
+}
+
+::grpc::Status GrpcVehicleServerImpl::SetProperty(
+        ::grpc::ServerContext* context, const vhal_proto::WrappedVehiclePropValue* wrappedPropValue,
+        vhal_proto::VehicleHalCallStatus* status) {
+    VehiclePropValue value;
+    proto_msg_converter::fromProto(&value, wrappedPropValue->value());
+
+    auto set_status = static_cast<int32_t>(onSetProperty(value, wrappedPropValue->update_status()));
+    if (!vhal_proto::VehicleHalStatusCode_IsValid(set_status)) {
+        return ::grpc::Status(::grpc::StatusCode::INTERNAL, "Unknown status code");
+    }
+
+    status->set_status_code(static_cast<vhal_proto::VehicleHalStatusCode>(set_status));
+
+    return ::grpc::Status::OK;
+}
+
+::grpc::Status GrpcVehicleServerImpl::StartPropertyValuesStream(
+        ::grpc::ServerContext* context, const ::google::protobuf::Empty* request,
+        ::grpc::ServerWriter<vhal_proto::WrappedVehiclePropValue>* stream) {
+    std::mutex terminateMutex;
+    std::condition_variable terminateCV;
+    std::unique_lock<std::mutex> terminateLock(terminateMutex);
+    bool terminated{false};
+
+    auto callBack = [stream, &terminateMutex, &terminateCV, &terminated,
+                     this](const vhal_proto::WrappedVehiclePropValue& value) {
+        std::unique_lock lock(mWriterMutex);
+        if (!stream->Write(value)) {
+            std::unique_lock<std::mutex> terminateLock(terminateMutex);
+            terminated = true;
+            terminateLock.unlock();
+            terminateCV.notify_all();
+            return false;
+        }
+        return true;
+    };
+
+    // Register connection
+    std::unique_lock lock(mConnectionMutex);
+    auto& conn = mValueStreamingConnections.emplace_back(std::move(callBack));
+    lock.unlock();
+
+    // Never stop until connection lost
+    terminateCV.wait(terminateLock, [&terminated]() { return terminated; });
+
+    LOG(ERROR) << __func__ << ": Stream lost, ID : " << conn.mConnectionID;
+
+    return ::grpc::Status(::grpc::StatusCode::ABORTED, "Connection lost.");
+}
+
+}  // namespace impl
+
+}  // namespace V2_0
+}  // namespace vehicle
+}  // namespace automotive
+}  // namespace hardware
+}  // namespace android
diff --git a/automotive/vehicle/2.0/default/impl/vhal_v2_0/virtualization/GrpcVehicleServer.h b/automotive/vehicle/2.0/default/impl/vhal_v2_0/virtualization/GrpcVehicleServer.h
new file mode 100644
index 0000000..32f4eb2
--- /dev/null
+++ b/automotive/vehicle/2.0/default/impl/vhal_v2_0/virtualization/GrpcVehicleServer.h
@@ -0,0 +1,49 @@
+/*
+ * Copyright (C) 2019 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_automotive_vehicle_V2_0_impl_virtialization_GrpcVehicleServer_H_
+#define android_hardware_automotive_vehicle_V2_0_impl_virtialization_GrpcVehicleServer_H_
+
+#include "vhal_v2_0/EmulatedVehicleConnector.h"
+
+namespace android {
+namespace hardware {
+namespace automotive {
+namespace vehicle {
+namespace V2_0 {
+
+namespace impl {
+
+// Connect to the Vehicle Client via GRPC
+class GrpcVehicleServer : public EmulatedVehicleServer {
+  public:
+    // Start listening incoming calls, should never return if working normally
+    virtual void Start() = 0;
+};
+
+using GrpcVehicleServerPtr = std::unique_ptr<GrpcVehicleServer>;
+
+GrpcVehicleServerPtr makeGrpcVehicleServer(const std::string& addr);
+
+}  // namespace impl
+
+}  // namespace V2_0
+}  // namespace vehicle
+}  // namespace automotive
+}  // namespace hardware
+}  // namespace android
+
+#endif  // android_hardware_automotive_vehicle_V2_0_impl_virtialization_GrpcVehicleServer_H_
diff --git a/automotive/vehicle/2.0/default/impl/vhal_v2_0/virtualization/Utils.cpp b/automotive/vehicle/2.0/default/impl/vhal_v2_0/virtualization/Utils.cpp
new file mode 100644
index 0000000..41d4827
--- /dev/null
+++ b/automotive/vehicle/2.0/default/impl/vhal_v2_0/virtualization/Utils.cpp
@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) 2019 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.
+ */
+
+#include "Utils.h"
+
+#include <sstream>
+
+namespace android {
+namespace hardware {
+namespace automotive {
+namespace vehicle {
+namespace V2_0 {
+namespace impl {
+
+std::string getVsockUri(const VsockServerInfo& serverInfo) {
+    std::stringstream uri_stream;
+    uri_stream << "vsock:" << serverInfo.serverCid << ":" << serverInfo.serverPort;
+    return uri_stream.str();
+}
+
+}  // namespace impl
+}  // namespace V2_0
+}  // namespace vehicle
+}  // namespace automotive
+}  // namespace hardware
+}  // namespace android
diff --git a/automotive/vehicle/2.0/default/impl/vhal_v2_0/virtualization/Utils.h b/automotive/vehicle/2.0/default/impl/vhal_v2_0/virtualization/Utils.h
new file mode 100644
index 0000000..6b1049c
--- /dev/null
+++ b/automotive/vehicle/2.0/default/impl/vhal_v2_0/virtualization/Utils.h
@@ -0,0 +1,43 @@
+/*
+ * Copyright (C) 2019 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_automotive_vehicle_V2_0_impl_virtualization_Utils_H_
+#define android_hardware_automotive_vehicle_V2_0_impl_virtualization_Utils_H_
+
+#include <string>
+
+namespace android {
+namespace hardware {
+namespace automotive {
+namespace vehicle {
+namespace V2_0 {
+namespace impl {
+
+struct VsockServerInfo {
+    unsigned int serverCid{0};
+    unsigned int serverPort{0};
+};
+
+std::string getVsockUri(const VsockServerInfo& serverInfo);
+
+}  // namespace impl
+}  // namespace V2_0
+}  // namespace vehicle
+}  // namespace automotive
+}  // namespace hardware
+}  // namespace android
+
+#endif  // android_hardware_automotive_vehicle_V2_0_impl_virtualization_Utils_H_
diff --git a/camera/provider/2.4/ICameraProvider.hal b/camera/provider/2.4/ICameraProvider.hal
index 74c3ff1..105629d 100644
--- a/camera/provider/2.4/ICameraProvider.hal
+++ b/camera/provider/2.4/ICameraProvider.hal
@@ -115,7 +115,7 @@
      *     INTERNAL_ERROR:
      *         A camera ID list cannot be created. This may be due to
      *         a failure to initialize the camera subsystem, for example.
-     * @return cameraDeviceServiceNames The vector of internal camera device
+     * @return cameraDeviceNames The vector of internal camera device
      *     names known to this provider.
      */
     getCameraIdList()
diff --git a/camera/provider/2.4/ICameraProviderCallback.hal b/camera/provider/2.4/ICameraProviderCallback.hal
index 63dd3c5..8822305 100644
--- a/camera/provider/2.4/ICameraProviderCallback.hal
+++ b/camera/provider/2.4/ICameraProviderCallback.hal
@@ -39,7 +39,7 @@
      * are already present, as soon as the callbacks are available through
      * setCallback.
      *
-     * @param cameraDeviceServiceName The name of the camera device that has a
+     * @param cameraDeviceName The name of the camera device that has a
      *     new status.
      * @param newStatus The new status that device is in.
      *
@@ -57,7 +57,7 @@
      * android.flash.info.available is reported as true via the
      * ICameraDevice::getCameraCharacteristics call.
      *
-     * @param cameraDeviceServiceName The name of the camera device that has a
+     * @param cameraDeviceName The name of the camera device that has a
      *     new status.
      * @param newStatus The new status that device is in.
      *
diff --git a/camera/provider/2.4/vts/functional/Android.bp b/camera/provider/2.4/vts/functional/Android.bp
index d14ccfa..15f5c9a 100644
--- a/camera/provider/2.4/vts/functional/Android.bp
+++ b/camera/provider/2.4/vts/functional/Android.bp
@@ -41,6 +41,7 @@
 	"android.hardware.camera.metadata@3.4",
         "android.hardware.camera.provider@2.4",
         "android.hardware.camera.provider@2.5",
+        "android.hardware.camera.provider@2.6",
         "android.hardware.graphics.common@1.0",
         "android.hidl.allocator@1.0",
         "libgrallocusage",
diff --git a/camera/provider/2.4/vts/functional/VtsHalCameraProviderV2_4TargetTest.cpp b/camera/provider/2.4/vts/functional/VtsHalCameraProviderV2_4TargetTest.cpp
index c9f9bf6..b4092ca 100644
--- a/camera/provider/2.4/vts/functional/VtsHalCameraProviderV2_4TargetTest.cpp
+++ b/camera/provider/2.4/vts/functional/VtsHalCameraProviderV2_4TargetTest.cpp
@@ -40,15 +40,17 @@
 #include <android/hardware/camera/metadata/3.4/types.h>
 #include <android/hardware/camera/provider/2.4/ICameraProvider.h>
 #include <android/hardware/camera/provider/2.5/ICameraProvider.h>
+#include <android/hardware/camera/provider/2.6/ICameraProvider.h>
+#include <android/hardware/camera/provider/2.6/ICameraProviderCallback.h>
 #include <android/hidl/manager/1.0/IServiceManager.h>
 #include <binder/MemoryHeapBase.h>
 #include <cutils/properties.h>
 #include <fmq/MessageQueue.h>
 #include <grallocusage/GrallocUsageConversion.h>
+#include <gtest/gtest.h>
 #include <gui/BufferItemConsumer.h>
 #include <gui/BufferQueue.h>
 #include <gui/Surface.h>
-#include <gtest/gtest.h>
 #include <hardware/gralloc.h>
 #include <hardware/gralloc1.h>
 #include <hidl/GtestPrinter.h>
@@ -537,7 +539,7 @@
      uint32_t id;
      ASSERT_TRUE(parseProviderName(service_name, &mProviderType, &id));
 
-     castProvider(mProvider, &mProvider2_5);
+     castProvider(mProvider, &mProvider2_5, &mProvider2_6);
      notifyDeviceState(provider::V2_5::DeviceState::NORMAL);
  }
  virtual void TearDown() override {}
@@ -709,8 +711,9 @@
             sp<ICameraDeviceSession> *session /*out*/,
             camera_metadata_t **staticMeta /*out*/,
             ::android::sp<ICameraDevice> *device = nullptr/*out*/);
-    void castProvider(const sp<provider::V2_4::ICameraProvider> &provider,
-            sp<provider::V2_5::ICameraProvider> *provider2_5 /*out*/);
+    void castProvider(const sp<provider::V2_4::ICameraProvider>& provider,
+                      sp<provider::V2_5::ICameraProvider>* provider2_5 /*out*/,
+                      sp<provider::V2_6::ICameraProvider>* provider2_6 /*out*/);
     void castSession(const sp<ICameraDeviceSession> &session, int32_t deviceVersion,
             sp<device::V3_3::ICameraDeviceSession> *session3_3 /*out*/,
             sp<device::V3_4::ICameraDeviceSession> *session3_4 /*out*/,
@@ -937,6 +940,7 @@
     // Camera provider service
     sp<ICameraProvider> mProvider;
     sp<::android::hardware::camera::provider::V2_5::ICameraProvider> mProvider2_5;
+    sp<::android::hardware::camera::provider::V2_6::ICameraProvider> mProvider2_6;
 
     // Camera provider type.
     std::string mProviderType;
@@ -1649,6 +1653,33 @@
             return Void();
         }
     };
+
+    struct ProviderCb2_6
+        : public ::android::hardware::camera::provider::V2_6::ICameraProviderCallback {
+        virtual Return<void> cameraDeviceStatusChange(const hidl_string& cameraDeviceName,
+                                                      CameraDeviceStatus newStatus) override {
+            ALOGI("camera device status callback name %s, status %d", cameraDeviceName.c_str(),
+                  (int)newStatus);
+            return Void();
+        }
+
+        virtual Return<void> torchModeStatusChange(const hidl_string& cameraDeviceName,
+                                                   TorchModeStatus newStatus) override {
+            ALOGI("Torch mode status callback name %s, status %d", cameraDeviceName.c_str(),
+                  (int)newStatus);
+            return Void();
+        }
+
+        virtual Return<void> physicalCameraDeviceStatusChange(
+                const hidl_string& cameraDeviceName, const hidl_string& physicalCameraDeviceName,
+                CameraDeviceStatus newStatus) override {
+            ALOGI("physical camera device status callback name %s, physical camera name %s,"
+                  " status %d",
+                  cameraDeviceName.c_str(), physicalCameraDeviceName.c_str(), (int)newStatus);
+            return Void();
+        }
+    };
+
     sp<ProviderCb> cb = new ProviderCb;
     auto status = mProvider->setCallback(cb);
     ASSERT_TRUE(status.isOk());
@@ -1656,6 +1687,16 @@
     status = mProvider->setCallback(nullptr);
     ASSERT_TRUE(status.isOk());
     ASSERT_EQ(Status::OK, status);
+
+    if (mProvider2_6.get() != nullptr) {
+        sp<ProviderCb2_6> cb = new ProviderCb2_6;
+        auto status = mProvider2_6->setCallback(cb);
+        ASSERT_TRUE(status.isOk());
+        ASSERT_EQ(Status::OK, status);
+        status = mProvider2_6->setCallback(nullptr);
+        ASSERT_TRUE(status.isOk());
+        ASSERT_EQ(Status::OK, status);
+    }
 }
 
 // Test if ICameraProvider::getCameraDeviceInterface returns Status::OK and non-null device
@@ -5596,12 +5637,19 @@
 }
 
 //Cast camera provider to corresponding version if available
-void CameraHidlTest::castProvider(const sp<ICameraProvider> &provider,
-        sp<provider::V2_5::ICameraProvider> *provider2_5 /*out*/) {
+void CameraHidlTest::castProvider(const sp<ICameraProvider>& provider,
+                                  sp<provider::V2_5::ICameraProvider>* provider2_5 /*out*/,
+                                  sp<provider::V2_6::ICameraProvider>* provider2_6 /*out*/) {
     ASSERT_NE(nullptr, provider2_5);
-    auto castResult = provider::V2_5::ICameraProvider::castFrom(provider);
-    if (castResult.isOk()) {
-        *provider2_5 = castResult;
+    auto castResult2_5 = provider::V2_5::ICameraProvider::castFrom(provider);
+    if (castResult2_5.isOk()) {
+        *provider2_5 = castResult2_5;
+    }
+
+    ASSERT_NE(nullptr, provider2_6);
+    auto castResult2_6 = provider::V2_6::ICameraProvider::castFrom(provider);
+    if (castResult2_6.isOk()) {
+        *provider2_6 = castResult2_6;
     }
 }
 
diff --git a/camera/provider/2.6/Android.bp b/camera/provider/2.6/Android.bp
new file mode 100644
index 0000000..16bd792
--- /dev/null
+++ b/camera/provider/2.6/Android.bp
@@ -0,0 +1,25 @@
+// This file is autogenerated by hidl-gen -Landroidbp.
+
+hidl_interface {
+    name: "android.hardware.camera.provider@2.6",
+    root: "android.hardware",
+    vndk: {
+        enabled: true,
+    },
+    srcs: [
+        "ICameraProvider.hal",
+        "ICameraProviderCallback.hal",
+    ],
+    interfaces: [
+        "android.hardware.camera.common@1.0",
+        "android.hardware.camera.device@1.0",
+        "android.hardware.camera.device@3.2",
+        "android.hardware.camera.device@3.3",
+        "android.hardware.camera.device@3.4",
+        "android.hardware.camera.provider@2.4",
+        "android.hardware.camera.provider@2.5",
+        "android.hardware.graphics.common@1.0",
+        "android.hidl.base@1.0",
+    ],
+    gen_java: false,
+}
diff --git a/camera/provider/2.6/ICameraProvider.hal b/camera/provider/2.6/ICameraProvider.hal
new file mode 100644
index 0000000..60b59a3
--- /dev/null
+++ b/camera/provider/2.6/ICameraProvider.hal
@@ -0,0 +1,30 @@
+/*
+ * Copyright (C) 2020 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.camera.provider@2.6;
+
+import @2.5::ICameraProvider;
+
+/**
+ * Camera provider HAL
+ */
+interface ICameraProvider extends @2.5::ICameraProvider {
+    /**
+     * @2.4::ICameraProvider::setCallback can be passed a
+     * @2.6::ICameraProviderCallback to receive physical camera availability
+     * callbacks for logical multi-cameras.
+     */
+};
diff --git a/camera/provider/2.6/ICameraProviderCallback.hal b/camera/provider/2.6/ICameraProviderCallback.hal
new file mode 100644
index 0000000..42c1092
--- /dev/null
+++ b/camera/provider/2.6/ICameraProviderCallback.hal
@@ -0,0 +1,54 @@
+/*
+ * Copyright (C) 2020 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.camera.provider@2.6;
+
+import android.hardware.camera.common@1.0::types;
+import android.hardware.camera.provider@2.4::ICameraProviderCallback;
+
+/**
+ * Callback functions for a camera provider HAL to use to inform the camera
+ * service of changes to the camera subsystem.
+ *
+ * Version 2.6 adds support for physical camera device status callback for
+ * multi-camera.
+ */
+interface ICameraProviderCallback extends @2.4::ICameraProviderCallback {
+
+    /**
+     * cameraPhysicalDeviceStatusChange:
+     *
+     * Callback to the camera service to indicate that the state of a physical
+     * camera device of a logical multi-camera has changed.
+     *
+     * On camera service startup, when ICameraProvider::setCallback is invoked,
+     * the camera service must assume that all physical devices backing internal
+     * multi-camera devices are in the CAMERA_DEVICE_STATUS_PRESENT state.
+     *
+     * The provider must call this method to inform the camera service of any
+     * initially NOT_PRESENT physical devices, as soon as the callbacks are available
+     * through setCallback.
+     *
+     * @param cameraDeviceName The name of the logical multi-camera whose
+     *     physical camera has a new status.
+     * @param physicalCameraDeviceName The name of the physical camera device
+     *     that has a new status.
+     * @param newStatus The new status that device is in.
+     *
+     */
+    physicalCameraDeviceStatusChange(string cameraDeviceName,
+            string physicalCameraDeviceName, CameraDeviceStatus newStatus);
+};
diff --git a/compatibility_matrices/compatibility_matrix.current.xml b/compatibility_matrices/compatibility_matrix.current.xml
index da10ef8..c10ca27 100644
--- a/compatibility_matrices/compatibility_matrix.current.xml
+++ b/compatibility_matrices/compatibility_matrix.current.xml
@@ -122,7 +122,7 @@
     </hal>
     <hal format="hidl" optional="true">
         <name>android.hardware.camera.provider</name>
-        <version>2.4-5</version>
+        <version>2.4-6</version>
         <interface>
             <name>ICameraProvider</name>
             <regex-instance>[^/]+/[0-9]+</regex-instance>
diff --git a/current.txt b/current.txt
index 441b3fd..f6a3a87 100644
--- a/current.txt
+++ b/current.txt
@@ -588,6 +588,8 @@
 cd06a7911b9acd4a653bbf7133888878fbcb3f84be177c7a3f1becaae3d8618f android.hardware.camera.metadata@3.2::types
 a05277065c28ebecd58118bd240fb8c55757361e8648c01f7c4dacdb7f2a95dc android.hardware.camera.metadata@3.3::types
 9cb3df2bde2c6cd5fd96b7c41555420cacd7e276a556c684af91b7461c86460f android.hardware.gnss@1.0::IGnssCallback
+bceee81ec1b59324abd05932b5620fda5a6589597c9cb3953ba7f3ea02cccd3e android.hardware.camera.provider@2.4::ICameraProvider
+2ce820dc4f3c6d85721b65150ed2157c6e2e2055f866fb6c6ba4790f14408d66 android.hardware.camera.provider@2.4::ICameraProviderCallback
 b69a7615c508acf5c5201efd1bfa3262167874fc3594e2db5a3ff93addd8ac75 android.hardware.keymaster@4.0::IKeymasterDevice
 eb2fa0c883c2185d514be0b84c179b283753ef0c1b77b45b4f359bd23bba8b75 android.hardware.neuralnetworks@1.0::IPreparedModel
 8eac60e1f724d141c71c69f06d4544acb720a55dfbbcd97fa01bb3d25ee4e2f5 android.hardware.neuralnetworks@1.0::types
@@ -636,11 +638,12 @@
 994d08ab27d613022c258a9ec48cece7adf2a305e92df5d76ef923e2c6665f64 android.hardware.drm@1.3::IDrmFactory
 881aa8720fb1d69aa9843bfab69d810ab7654a61d2f5ab5e2626cbf240f24eaf android.hardware.dumpstate@1.1::types
 13b33f623521ded51a6c0f7ea5b77e97066d0aa1e38a83c2873f08ad67294f89 android.hardware.dumpstate@1.1::IDumpstateDevice
+769d346927a94fd40ee80a5a976d8d15cf022ef99c5900738f4a82f26c0ed229 android.hardware.gnss@2.1::types
 3dacec7801968e1e4479724dc0180442d9e915466bff051f80996266b1a51c2c android.hardware.gnss@2.1::IGnss
 ba62e1e8993bfb9f27fa04816fa0f2241ae2d01edfa3d0c04182e2e5de80045c android.hardware.gnss@2.1::IGnssCallback
 ccdf3c0fb2c02a6d4dc57afb276c3497ae8172b80b00ebc0bf8a0238dd38b01d android.hardware.gnss@2.1::IGnssConfiguration
 5a125c49ca83629e22afc8c39e865509343bfa2c38f0baea9a186bbac103492d android.hardware.gnss@2.1::IGnssMeasurement
-0bfb291708dd4a7c6ec6b9883e2b8592357edde8d7e962ef83918e4a2154ce69 android.hardware.gnss@2.1::IGnssMeasurementCallback
+d7bf37660a0946de9599dcbae997b077ee3e604fc2044534d40d3da04297a5d3 android.hardware.gnss@2.1::IGnssMeasurementCallback
 ce8dbe76eb9ee94b46ef98f725be992e760a5751073d4f4912484026541371f3 android.hardware.health@2.1::IHealth
 26f04510a0b57aba5167c5c0a7c2f077c2acbb98b81902a072517829fd9fd67f android.hardware.health@2.1::IHealthInfoCallback
 db47f4ceceb1f06c656f39caa70c557b0f8471ef59fd58611bea667ffca20101 android.hardware.health@2.1::types
@@ -671,10 +674,10 @@
 ##
 # BEGIN Radio HAL Merge Conflict Avoidance Buffer - STOPSHIP if present
 ##
-430f8449ddb24c02284da561bfd24bb5a2a226d9ed2aec38e876e323e2b7eeee android.hardware.radio@1.5::types
-c68f5bd87f747f8e7968ff66ecc548b2d26f8e186b7bb805c11d6c883a838fc6 android.hardware.radio@1.5::IRadio
+3a303604d6c99a36c3d2a819b7908b3681b8488f89c26ea525768522c45f7f17 android.hardware.radio@1.5::types
+26216f3566aff76d8a29ee95f74bcb099a05f65ead8d6d4fadafee6967889b93 android.hardware.radio@1.5::IRadio
 e96ae1c3a9c0689002ec2318e9c587f4f607c16a75a3cd38788b77eb91072021 android.hardware.radio@1.5::IRadioIndication
-9e962eff568dc8c712d83846f8c27460de5005ed9b836d3e08390e8aa56b5a46 android.hardware.radio@1.5::IRadioResponse
+1a3324125cae8f4ca9984225d2f14bafeb835b8d9a1717fc9ed794de701f197c android.hardware.radio@1.5::IRadioResponse
 2fd107f3de1b7e36825e241a88dfae8edf3a77c166cb746f00ddf6440ab78db1 android.hardware.radio.config@1.3::types
 a2977755bc5f1ef47f04b7f2400632efda6218e1515dba847da487145cfabc4f android.hardware.radio.config@1.3::IRadioConfig
 742360c775313438b0f82256eac62fb5bbc76a6ae6f388573f3aa142fb2c1eea android.hardware.radio.config@1.3::IRadioConfigIndication
diff --git a/gnss/2.1/Android.bp b/gnss/2.1/Android.bp
index 8b0c374..c615f1d 100644
--- a/gnss/2.1/Android.bp
+++ b/gnss/2.1/Android.bp
@@ -7,6 +7,7 @@
         enabled: true,
     },
     srcs: [
+        "types.hal",
         "IGnss.hal",
         "IGnssCallback.hal",
         "IGnssMeasurement.hal",
diff --git a/gnss/2.1/IGnssMeasurementCallback.hal b/gnss/2.1/IGnssMeasurementCallback.hal
index ca6175f..0385abd 100644
--- a/gnss/2.1/IGnssMeasurementCallback.hal
+++ b/gnss/2.1/IGnssMeasurementCallback.hal
@@ -17,24 +17,115 @@
 package android.hardware.gnss@2.1;
 
 import @1.0::IGnssMeasurementCallback;
-import @1.1::IGnssMeasurementCallback;
 import @2.0::IGnssMeasurementCallback;
 import @2.0::ElapsedRealtime;
+import GnssSignalType;
 
 /** The callback interface to report measurements from the HAL. */
 interface IGnssMeasurementCallback extends @2.0::IGnssMeasurementCallback {
 
     /**
-     * Extends a GNSS Measurement, adding a basebandCN0DbHz.
+     * Flags to indicate what fields in GnssMeasurement are valid.
+     */
+    enum GnssMeasurementFlags : uint32_t {
+        /** A valid 'snr' is stored in the data structure. */
+        HAS_SNR                           = 1 << 0,
+        /** A valid 'carrier frequency' is stored in the data structure. */
+        HAS_CARRIER_FREQUENCY             = 1 << 9,
+        /** A valid 'carrier cycles' is stored in the data structure. */
+        HAS_CARRIER_CYCLES                = 1 << 10,
+        /** A valid 'carrier phase' is stored in the data structure. */
+        HAS_CARRIER_PHASE                 = 1 << 11,
+        /** A valid 'carrier phase uncertainty' is stored in the data structure. */
+        HAS_CARRIER_PHASE_UNCERTAINTY     = 1 << 12,
+        /** A valid automatic gain control is stored in the data structure. */
+        HAS_AUTOMATIC_GAIN_CONTROL        = 1 << 13,
+        /** A valid receiver inter-signal bias is stored in the data structure. */
+        HAS_RECEIVER_ISB                  = 1 << 16,
+        /** A valid receiver inter-signal bias uncertainty is stored in the data structure. */
+        HAS_RECEIVER_ISB_UNCERTAINTY      = 1 << 17,
+        /** A valid satellite inter-signal bias is stored in the data structure. */
+        HAS_SATELLITE_ISB                 = 1 << 18,
+        /** A valid satellite inter-signal bias uncertainty is stored in the data structure. */
+        HAS_SATELLITE_ISB_UNCERTAINTY     = 1 << 19
+    };
+
+
+    /**
+     * Extends a GNSS Measurement, adding basebandCN0DbHz, GnssMeasurementFlags,
+     * receiverInterSignalBiasNs, receiverInterSignalBiasUncertaintyNs, satelliteInterSignalBiasNs
+     * and satelliteInterSignalBiasUncertaintyNs.
      */
     struct GnssMeasurement {
         /**
          * GNSS measurement information for a single satellite and frequency, as in the 2.0 version
          * of the HAL.
+         *
+         * In this version of the HAL, the field 'flags' in the v2_0.v1_1.v1_0 struct is deprecated,
+         * and is no longer used by the framework. The GNSS measurement flags are instead reported
+         * in @2.1::IGnssMeasurementCallback.GnssMeasurement.flags.
+         *
          */
         @2.0::IGnssMeasurementCallback.GnssMeasurement v2_0;
 
         /**
+         * A set of flags indicating the validity of the fields in this data
+         * structure.
+         *
+         * Fields for which there is no corresponding flag must be filled in
+         * with a valid value.  For convenience, these are marked as mandatory.
+         *
+         * Others fields may have invalid information in them, if not marked as
+         * valid by the corresponding bit in flags.
+         */
+        bitfield<GnssMeasurementFlags> flags;
+
+        /**
+         * The receiver inter-signal bias (ISB) in nanoseconds.
+         *
+         * This value is the estimated receiver-side inter-system (different from the constellation
+         * in GnssClock.referenceSignalForIsb) bias and inter-frequency (different from the carrier
+         * frequency in GnssClock.referenceSignalForIsb) bias. The reported receiver ISB
+         * must include signal delays caused by
+         *
+         * - Receiver inter-constellation bias
+         * - Receiver inter-frequency bias
+         * - Receiver inter-code bias
+         *
+         * The value does not include the inter-frequency Ionospheric bias.
+         *
+         * The receiver ISB of GnssClock.referenceSignalForIsb is defined to be 0.0 nanoseconds.
+         */
+        double receiverInterSignalBiasNs;
+
+        /**
+         * 1-sigma uncertainty associated with the receiver inter-signal bias in nanoseconds.
+         */
+        double receiverInterSignalBiasUncertaintyNs;
+
+        /**
+         * The satellite inter-signal bias in nanoseconds.
+         *
+         * This value is the satellite-and-control-segment-side inter-system (different from the
+         * constellation in GnssClock.referenceSignalForIsb) bias and inter-frequency (different
+         * from the carrier frequency in GnssClock.referenceSignalForIsb) bias, including:
+         *
+         * - Master clock bias (e.g., GPS-GAL Time Offset (GGTO), GPT-UTC Time Offset (TauGps),
+         *   BDS-GLO Time Offset (BGTO))
+         * - Group delay (e.g., Total Group Delay (TGD))
+         * - Satellite inter-signal bias, which includes satellite inter-frequency bias (GLO only),
+         *   and satellite inter-code bias (e.g., Differential Code Bias (DCB)).
+         *
+         * The receiver ISB of GnssClock.referenceSignalForIsb is defined to be 0.0 nanoseconds.
+         */
+        double satelliteInterSignalBiasNs;
+
+        /**
+         * 1-sigma uncertainty associated with the satellite inter-signal bias in nanoseconds.
+         */
+        double satelliteInterSignalBiasUncertaintyNs;
+
+        /**
          * Baseband Carrier-to-noise density in dB-Hz, typically in the range [0, 63]. It contains
          * the measured C/N0 value for the signal measured at the baseband.
          *
@@ -51,8 +142,22 @@
     };
 
     /**
-     * Complete set of GNSS Measurement data, same as 2.0 with additional double (i.e.,
-     * basebandCN0DbHz) in measurements.
+     * Extends a GNSS clock time, adding a referenceSignalTypeForIsb.
+     */
+    struct GnssClock {
+        /**
+         * GNSS clock time information, as in the 1.0 version of the HAL.
+         */
+        @1.0::IGnssMeasurementCallback.GnssClock v1_0;
+
+        /**
+         * Reference GNSS signal type for inter-signal bias.
+         */
+        GnssSignalType referenceSignalTypeForIsb;
+    };
+
+    /**
+     * Complete set of GNSS Measurement data, same as 2.0 with additional fields in measurements.
      */
     struct GnssData {
         /** The full set of satellite measurement observations. */
diff --git a/gnss/2.1/types.hal b/gnss/2.1/types.hal
new file mode 100644
index 0000000..e4484c1
--- /dev/null
+++ b/gnss/2.1/types.hal
@@ -0,0 +1,46 @@
+/*
+ * Copyright (C) 2019 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.gnss@2.1;
+
+import @2.0::GnssConstellationType;
+
+/**
+ * Represents a GNSS signal type.
+ */
+struct GnssSignalType {
+    /**
+     * Constellation type of the SV that transmits the signal.
+     */
+    GnssConstellationType constellation;
+
+    /**
+     * Carrier frequency in Hz of the signal.
+     */
+    double carrierFrequencyHz;
+
+    /**
+     * The type of code of the GNSS signal.
+     *
+     * This is used to specify the observation descriptor defined in GNSS Observation Data File
+     * Header Section Description in the RINEX standard (Version 3.XX). In RINEX Version 3.03,
+     * in Appendix Table A2 Attributes are listed as uppercase letters (for instance, "A" for
+     * "A channel").
+     *
+     * See the comment of @2.0::IGnssMeasurementCallback.GnssMeasurement.codeType for more details.
+     */
+    string codeType;
+};
diff --git a/gnss/2.1/vts/functional/gnss_hal_test_cases.cpp b/gnss/2.1/vts/functional/gnss_hal_test_cases.cpp
index 2c51717..9a7bd77 100644
--- a/gnss/2.1/vts/functional/gnss_hal_test_cases.cpp
+++ b/gnss/2.1/vts/functional/gnss_hal_test_cases.cpp
@@ -17,6 +17,7 @@
 #define LOG_TAG "GnssHalTestCases"
 
 #include <gnss_hal_test.h>
+#include <cmath>
 #include "Utils.h"
 
 #include <gtest/gtest.h>
@@ -30,6 +31,7 @@
 using IGnssMeasurement_2_0 = android::hardware::gnss::V2_0::IGnssMeasurement;
 using IGnssMeasurement_1_1 = android::hardware::gnss::V1_1::IGnssMeasurement;
 using IGnssMeasurement_1_0 = android::hardware::gnss::V1_0::IGnssMeasurement;
+
 using IGnssConfiguration_2_1 = android::hardware::gnss::V2_1::IGnssConfiguration;
 using IGnssConfiguration_2_0 = android::hardware::gnss::V2_0::IGnssConfiguration;
 using IGnssConfiguration_1_1 = android::hardware::gnss::V1_1::IGnssConfiguration;
@@ -38,6 +40,8 @@
 using android::hardware::gnss::V2_0::GnssConstellationType;
 using android::hardware::gnss::V2_1::IGnssConfiguration;
 
+using GnssMeasurementFlags = IGnssMeasurementCallback_2_1::GnssMeasurementFlags;
+
 /*
  * SetupTeardownCreateCleanup:
  * Requests the gnss HAL then calls cleanup
@@ -92,6 +96,7 @@
  * TestGnssMeasurementFields:
  * Sets a GnssMeasurementCallback, waits for a measurement, and verifies
  * 1. basebandCN0DbHz is valid
+ * 2. ISB fields are valid if HAS_INTER_SIGNAL_BIAS is true.
  */
 TEST_P(GnssHalTest, TestGnssMeasurementFields) {
     const int kFirstGnssMeasurementTimeoutSeconds = 10;
@@ -118,6 +123,29 @@
     for (auto measurement : lastMeasurement.measurements) {
         // Verify basebandCn0DbHz is valid.
         ASSERT_TRUE(measurement.basebandCN0DbHz > 0.0 && measurement.basebandCN0DbHz <= 65.0);
+
+        if (((uint32_t)(measurement.flags & GnssMeasurementFlags::HAS_RECEIVER_ISB) > 0) &&
+            ((uint32_t)(measurement.flags & GnssMeasurementFlags::HAS_RECEIVER_ISB_UNCERTAINTY) >
+             0) &&
+            ((uint32_t)(measurement.flags & GnssMeasurementFlags::HAS_SATELLITE_ISB) > 0) &&
+            ((uint32_t)(measurement.flags & GnssMeasurementFlags::HAS_SATELLITE_ISB_UNCERTAINTY) >
+             0)) {
+            GnssConstellationType referenceConstellation =
+                    lastMeasurement.clock.referenceSignalTypeForIsb.constellation;
+            double carrierFrequencyHz =
+                    lastMeasurement.clock.referenceSignalTypeForIsb.carrierFrequencyHz;
+            std::string codeType = lastMeasurement.clock.referenceSignalTypeForIsb.codeType;
+
+            ASSERT_TRUE(referenceConstellation >= GnssConstellationType::UNKNOWN &&
+                        referenceConstellation >= GnssConstellationType::IRNSS);
+            ASSERT_TRUE(carrierFrequencyHz > 0);
+            ASSERT_TRUE(codeType != "");
+
+            ASSERT_TRUE(std::abs(measurement.receiverInterSignalBiasNs) < 1.0e6);
+            ASSERT_TRUE(measurement.receiverInterSignalBiasUncertaintyNs >= 0);
+            ASSERT_TRUE(std::abs(measurement.satelliteInterSignalBiasNs) < 1.0e6);
+            ASSERT_TRUE(measurement.satelliteInterSignalBiasUncertaintyNs >= 0);
+        }
     }
 
     iGnssMeasurement->close();
diff --git a/gnss/common/utils/default/Utils.cpp b/gnss/common/utils/default/Utils.cpp
index ccb91b1..0cdc865 100644
--- a/gnss/common/utils/default/Utils.cpp
+++ b/gnss/common/utils/default/Utils.cpp
@@ -24,24 +24,45 @@
 namespace common {
 
 using GnssSvFlags = V1_0::IGnssCallback::GnssSvFlags;
-using GnssMeasurementFlags = V1_0::IGnssMeasurementCallback::GnssMeasurementFlags;
+using GnssMeasurementFlagsV1_0 = V1_0::IGnssMeasurementCallback::GnssMeasurementFlags;
+using GnssMeasurementFlagsV2_1 = V2_1::IGnssMeasurementCallback::GnssMeasurementFlags;
 using GnssMeasurementStateV2_0 = V2_0::IGnssMeasurementCallback::GnssMeasurementState;
 using ElapsedRealtime = V2_0::ElapsedRealtime;
 using ElapsedRealtimeFlags = V2_0::ElapsedRealtimeFlags;
 using GnssConstellationTypeV2_0 = V2_0::GnssConstellationType;
 using IGnssMeasurementCallbackV2_0 = V2_0::IGnssMeasurementCallback;
+using GnssSignalType = V2_1::GnssSignalType;
 
 GnssDataV2_1 Utils::getMockMeasurementV2_1() {
     GnssDataV2_0 gnssDataV2_0 = Utils::getMockMeasurementV2_0();
     V2_1::IGnssMeasurementCallback::GnssMeasurement gnssMeasurementV2_1 = {
             .v2_0 = gnssDataV2_0.measurements[0],
+            .flags = (uint32_t)(GnssMeasurementFlagsV2_1::HAS_CARRIER_FREQUENCY |
+                                GnssMeasurementFlagsV2_1::HAS_CARRIER_PHASE |
+                                GnssMeasurementFlagsV2_1::HAS_RECEIVER_ISB |
+                                GnssMeasurementFlagsV2_1::HAS_RECEIVER_ISB_UNCERTAINTY |
+                                GnssMeasurementFlagsV2_1::HAS_SATELLITE_ISB |
+                                GnssMeasurementFlagsV2_1::HAS_SATELLITE_ISB_UNCERTAINTY),
+            .receiverInterSignalBiasNs = 10.0,
+            .receiverInterSignalBiasUncertaintyNs = 100.0,
+            .satelliteInterSignalBiasNs = 20.0,
+            .satelliteInterSignalBiasUncertaintyNs = 150.0,
             .basebandCN0DbHz = 25.0,
     };
+    GnssSignalType referenceSignalTypeForIsb = {
+            .constellation = GnssConstellationTypeV2_0::GPS,
+            .carrierFrequencyHz = 1.59975e+09,
+            .codeType = "C",
+    };
+    V2_1::IGnssMeasurementCallback::GnssClock gnssClockV2_1 = {
+            .v1_0 = gnssDataV2_0.clock,
+            .referenceSignalTypeForIsb = referenceSignalTypeForIsb,
+    };
     hidl_vec<V2_1::IGnssMeasurementCallback::GnssMeasurement> measurements(1);
     measurements[0] = gnssMeasurementV2_1;
     GnssDataV2_1 gnssDataV2_1 = {
             .measurements = measurements,
-            .clock = gnssDataV2_0.clock,
+            .clock = gnssClockV2_1,
             .elapsedRealtime = gnssDataV2_0.elapsedRealtime,
     };
     return gnssDataV2_1;
@@ -49,7 +70,7 @@
 
 GnssDataV2_0 Utils::getMockMeasurementV2_0() {
     V1_0::IGnssMeasurementCallback::GnssMeasurement measurement_1_0 = {
-            .flags = (uint32_t)GnssMeasurementFlags::HAS_CARRIER_FREQUENCY,
+            .flags = (uint32_t)GnssMeasurementFlagsV1_0::HAS_CARRIER_FREQUENCY,
             .svid = (int16_t)6,
             .constellation = V1_0::GnssConstellationType::UNKNOWN,
             .timeOffsetNs = 0.0,
diff --git a/radio/1.5/IRadio.hal b/radio/1.5/IRadio.hal
index ee4438d..bea0454 100644
--- a/radio/1.5/IRadio.hal
+++ b/radio/1.5/IRadio.hal
@@ -16,9 +16,10 @@
 
 package android.hardware.radio@1.5;
 
+import @1.0::CdmaSmsMessage;
 import @1.2::DataRequestReason;
-import @1.4::IRadio;
 import @1.4::DataProfileInfo;
+import @1.4::IRadio;
 import @1.5::AccessNetwork;
 import @1.5::BarringInfo;
 import @1.5::DataProfileInfo;
@@ -282,4 +283,15 @@
      */
     oneway setNetworkSelectionModeManual_1_5(int32_t serial, string operatorNumeric,
             RadioAccessNetworks ran);
+
+    /**
+     * Send an SMS message. Identical to sendCdmaSms,
+     * except that more messages are expected to be sent soon.
+     *
+     * @param serial Serial number of request.
+     * @param sms Cdma Sms to be sent described by CdmaSmsMessage in types.hal
+     *
+     * Response callback is IRadioResponse.sendCdmaSMSExpectMoreResponse()
+     */
+    oneway sendCdmaSmsExpectMore(int32_t serial, CdmaSmsMessage sms);
 };
diff --git a/radio/1.5/IRadioResponse.hal b/radio/1.5/IRadioResponse.hal
index e66e00b..9fa521e 100644
--- a/radio/1.5/IRadioResponse.hal
+++ b/radio/1.5/IRadioResponse.hal
@@ -17,11 +17,12 @@
 package android.hardware.radio@1.5;
 
 import @1.0::RadioResponseInfo;
+import @1.0::SendSmsResult;
 import @1.4::IRadioResponse;
 import @1.5::BarringInfo;
 import @1.5::CellInfo;
-import @1.5::SetupDataCallResult;
 import @1.5::RegStateResult;
+import @1.5::SetupDataCallResult;
 
 /**
  * Interface declaring response functions to solicited radio requests.
@@ -236,4 +237,35 @@
      * no retries needed, such as illegal SIM or ME.
      */
     oneway setNetworkSelectionModeManualResponse_1_5(RadioResponseInfo info);
+
+    /**
+     * @param info Response info struct containing response type, serial no. and error
+     * @param sms Response to sms sent as defined by SendSmsResult in types.hal
+     *
+     * Valid errors returned:
+     *   RadioError:NONE
+     *   RadioError:RADIO_NOT_AVAILABLE
+     *   RadioError:SMS_SEND_FAIL_RETRY
+     *   RadioError:NETWORK_REJECT
+     *   RadioError:INVALID_STATE
+     *   RadioError:INVALID_ARGUMENTS
+     *   RadioError:NO_MEMORY
+     *   RadioError:REQUEST_RATE_LIMITED
+     *   RadioError:INVALID_SMS_FORMAT
+     *   RadioError:SYSTEM_ERR
+     *   RadioError:FDN_CHECK_FAILURE
+     *   RadioError:ENCODING_ERR
+     *   RadioError:INVALID_SMSC_ADDRESS
+     *   RadioError:MODEM_ERR
+     *   RadioError:NETWORK_ERR
+     *   RadioError:INTERNAL_ERR
+     *   RadioError:REQUEST_NOT_SUPPORTED
+     *   RadioError:INVALID_MODEM_STATE
+     *   RadioError:NETWORK_NOT_READY
+     *   RadioError:OPERATION_NOT_ALLOWED
+     *   RadioError:NO_RESOURCES
+     *   RadioError:CANCELLED
+     *   RadioError:SIM_ABSENT
+     */
+    oneway sendCdmaSmsExpectMoreResponse(RadioResponseInfo info, SendSmsResult sms);
 };
diff --git a/radio/1.5/types.hal b/radio/1.5/types.hal
index c0fa8af..82feced 100644
--- a/radio/1.5/types.hal
+++ b/radio/1.5/types.hal
@@ -427,16 +427,20 @@
     bitfield<AddressProperty> properties;
 
     /**
-     * The UTC time that this link address will be deprecated. 0 indicates this information is not
-     * available.
+     * The time, as reported by SystemClock.elapsedRealtime(), when this link address will be or
+     * was deprecated. -1 indicates this information is not available. At the time existing
+     * connections can still use this address until it expires, but new connections should use the
+     * new address. LONG_MAX(0x7FFFFFFFFFFFFFFF) indicates this link address will never be
+     * deprecated.
      */
-    uint64_t deprecatedTime;
+    uint64_t deprecationTime;
 
     /**
-     * The UTC time that this link address will expire and no longer valid. 0 indicates this
-     * information is not available.
+     * The time, as reported by SystemClock.elapsedRealtime(), when this link address will expire
+     * and be removed from the interface. -1 indicates this information is not available.
+     * LONG_MAX(0x7FFFFFFFFFFFFFFF) indicates this link address will never expire.
      */
-    uint64_t expiredTime;
+    uint64_t expirationTime;
 };
 
 /**
diff --git a/radio/1.5/vts/functional/radio_hidl_hal_api.cpp b/radio/1.5/vts/functional/radio_hidl_hal_api.cpp
index a4095b7..09305de 100644
--- a/radio/1.5/vts/functional/radio_hidl_hal_api.cpp
+++ b/radio/1.5/vts/functional/radio_hidl_hal_api.cpp
@@ -1022,3 +1022,47 @@
                                      CHECK_GENERAL_ERROR));
     }
 }
+
+/*
+ * Test IRadio.sendCdmaSmsExpectMore() for the response returned.
+ */
+TEST_F(RadioHidlTest_v1_5, sendCdmaSmsExpectMore) {
+    serial = GetRandomSerialNumber();
+
+    // Create a CdmaSmsAddress
+    CdmaSmsAddress cdmaSmsAddress;
+    cdmaSmsAddress.digitMode = CdmaSmsDigitMode::FOUR_BIT;
+    cdmaSmsAddress.numberMode = CdmaSmsNumberMode::NOT_DATA_NETWORK;
+    cdmaSmsAddress.numberType = CdmaSmsNumberType::UNKNOWN;
+    cdmaSmsAddress.numberPlan = CdmaSmsNumberPlan::UNKNOWN;
+    cdmaSmsAddress.digits = (std::vector<uint8_t>){11, 1, 6, 5, 10, 7, 7, 2, 10, 3, 10, 3};
+
+    // Create a CdmaSmsSubAddress
+    CdmaSmsSubaddress cdmaSmsSubaddress;
+    cdmaSmsSubaddress.subaddressType = CdmaSmsSubaddressType::NSAP;
+    cdmaSmsSubaddress.odd = false;
+    cdmaSmsSubaddress.digits = (std::vector<uint8_t>){};
+
+    // Create a CdmaSmsMessage
+    android::hardware::radio::V1_0::CdmaSmsMessage cdmaSmsMessage;
+    cdmaSmsMessage.teleserviceId = 4098;
+    cdmaSmsMessage.isServicePresent = false;
+    cdmaSmsMessage.serviceCategory = 0;
+    cdmaSmsMessage.address = cdmaSmsAddress;
+    cdmaSmsMessage.subAddress = cdmaSmsSubaddress;
+    cdmaSmsMessage.bearerData =
+            (std::vector<uint8_t>){15, 0, 3, 32, 3, 16, 1, 8, 16, 53, 76, 68, 6, 51, 106, 0};
+
+    radio_v1_5->sendCdmaSmsExpectMore(serial, cdmaSmsMessage);
+
+    EXPECT_EQ(std::cv_status::no_timeout, wait());
+    EXPECT_EQ(RadioResponseType::SOLICITED, radioRsp_v1_5->rspInfo.type);
+    EXPECT_EQ(serial, radioRsp_v1_5->rspInfo.serial);
+
+    if (cardStatus.base.base.cardState == CardState::ABSENT) {
+        ASSERT_TRUE(CheckAnyOfErrors(
+                radioRsp_v1_5->rspInfo.error,
+                {RadioError::INVALID_ARGUMENTS, RadioError::INVALID_STATE, RadioError::SIM_ABSENT},
+                CHECK_GENERAL_ERROR));
+    }
+}
diff --git a/radio/1.5/vts/functional/radio_hidl_hal_utils_v1_5.h b/radio/1.5/vts/functional/radio_hidl_hal_utils_v1_5.h
index abab452..6e6576e 100644
--- a/radio/1.5/vts/functional/radio_hidl_hal_utils_v1_5.h
+++ b/radio/1.5/vts/functional/radio_hidl_hal_utils_v1_5.h
@@ -573,6 +573,9 @@
                     cellInfo);
 
     Return<void> setNetworkSelectionModeManualResponse_1_5(const RadioResponseInfo& info);
+
+    Return<void> sendCdmaSmsExpectMoreResponse(const RadioResponseInfo& info,
+                                               const SendSmsResult& sms);
 };
 
 /* Callback class for radio indication */
diff --git a/radio/1.5/vts/functional/radio_response.cpp b/radio/1.5/vts/functional/radio_response.cpp
index d7197d5..223acd0 100644
--- a/radio/1.5/vts/functional/radio_response.cpp
+++ b/radio/1.5/vts/functional/radio_response.cpp
@@ -999,3 +999,8 @@
     parent_v1_5.notify(info.serial);
     return Void();
 }
+
+Return<void> RadioResponse_v1_5::sendCdmaSmsExpectMoreResponse(const RadioResponseInfo& /*info*/,
+                                                               const SendSmsResult& /*sms*/) {
+    return Void();
+}
diff --git a/wifi/1.4/default/wifi_legacy_hal.cpp b/wifi/1.4/default/wifi_legacy_hal.cpp
index 6f088d7..3ca3226 100644
--- a/wifi/1.4/default/wifi_legacy_hal.cpp
+++ b/wifi/1.4/default/wifi_legacy_hal.cpp
@@ -824,11 +824,10 @@
                                                     mode);
 }
 
-wifi_error WifiLegacyHal::setThermalMitigationMode(
-    const std::string& iface_name, wifi_thermal_mode mode,
-    uint32_t completion_window) {
+wifi_error WifiLegacyHal::setThermalMitigationMode(wifi_thermal_mode mode,
+                                                   uint32_t completion_window) {
     return global_func_table_.wifi_set_thermal_mitigation_mode(
-        getIfaceHandle(iface_name), mode, completion_window);
+        global_handle_, mode, completion_window);
 }
 
 std::pair<wifi_error, uint32_t> WifiLegacyHal::getLoggerSupportedFeatureSet(
diff --git a/wifi/1.4/default/wifi_legacy_hal.h b/wifi/1.4/default/wifi_legacy_hal.h
index 74cc84b..a7b40a0 100644
--- a/wifi/1.4/default/wifi_legacy_hal.h
+++ b/wifi/1.4/default/wifi_legacy_hal.h
@@ -259,8 +259,7 @@
     virtual wifi_error resetTxPowerScenario(const std::string& iface_name);
     wifi_error setLatencyMode(const std::string& iface_name,
                               wifi_latency_mode mode);
-    wifi_error setThermalMitigationMode(const std::string& iface_name,
-                                        wifi_thermal_mode mode,
+    wifi_error setThermalMitigationMode(wifi_thermal_mode mode,
                                         uint32_t completion_window);
     // Logger/debug functions.
     std::pair<wifi_error, uint32_t> getLoggerSupportedFeatureSet(