diff --git a/dumpstate/1.1/default/main.cpp b/dumpstate/1.1/default/main.cpp
new file mode 100644
index 0000000..4510f63
--- /dev/null
+++ b/dumpstate/1.1/default/main.cpp
@@ -0,0 +1,129 @@
+/*
+ * 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.
+ */
+
+#include <android-base/properties.h>
+#include <android/hardware/dumpstate/1.1/IDumpstateDevice.h>
+#include <android/hardware/dumpstate/1.1/types.h>
+#include <hidl/HidlLazyUtils.h>
+#include <hidl/HidlSupport.h>
+#include <hidl/HidlTransportSupport.h>
+#include <log/log.h>
+
+#include "DumpstateUtil.h"
+
+namespace {
+using ::android::hardware::hidl_handle;
+using ::android::hardware::Return;
+using ::android::hardware::Void;
+
+using ::android::hardware::dumpstate::V1_1::DumpstateMode;
+using ::android::hardware::dumpstate::V1_1::DumpstateStatus;
+using ::android::hardware::dumpstate::V1_1::IDumpstateDevice;
+
+using ::android::os::dumpstate::DumpFileToFd;
+
+const char kVerboseLoggingProperty[] = "persist.dumpstate.verbose_logging.enabled";
+
+struct DumpstateDevice : public IDumpstateDevice {
+    // 1.1
+    Return<DumpstateStatus> dumpstateBoard_1_1(const hidl_handle& handle, const DumpstateMode mode,
+                                               uint64_t /*timeoutMillis*/) override {
+        if (handle == nullptr || handle->numFds < 1) {
+            ALOGE("no FDs\n");
+            return DumpstateStatus::ILLEGAL_ARGUMENT;
+        }
+
+        int fd = handle->data[0];
+        if (fd < 0) {
+            ALOGE("invalid FD: %d\n", fd);
+            return DumpstateStatus::ILLEGAL_ARGUMENT;
+        }
+
+        switch (mode) {
+            case DumpstateMode::FULL:
+                return dumpstateBoardImpl(fd, true);
+
+            case DumpstateMode::DEFAULT:
+                return dumpstateBoardImpl(fd, false);
+
+            case DumpstateMode::INTERACTIVE:
+            case DumpstateMode::REMOTE:
+            case DumpstateMode::WEAR:
+            case DumpstateMode::CONNECTIVITY:
+            case DumpstateMode::WIFI:
+            case DumpstateMode::PROTO:
+                ALOGE("The requested mode is not supported: %s\n", toString(mode).c_str());
+                return DumpstateStatus::UNSUPPORTED_MODE;
+
+            default:
+                ALOGE("The requested mode is invalid: %s\n", toString(mode).c_str());
+                return DumpstateStatus::ILLEGAL_ARGUMENT;
+        }
+    }
+
+    Return<void> setVerboseLoggingEnabled(bool enable) override {
+        ::android::base::SetProperty(kVerboseLoggingProperty, enable ? "true" : "false");
+        return Void();
+    }
+
+    Return<bool> getVerboseLoggingEnabled() override { return getVerboseLoggingEnabledImpl(); }
+
+    // 1.0
+    Return<void> dumpstateBoard(const hidl_handle& h) override {
+        dumpstateBoard_1_1(h, DumpstateMode::DEFAULT, 0);
+        return Void();
+    }
+
+    DumpstateStatus dumpstateBoardImpl(const int fd, const bool full) {
+        ALOGD("DumpstateDevice::dumpstateBoard() FD: %d\n", fd);
+        ALOGI("Dumpstate HIDL not provided by device\n");
+
+        dprintf(fd, "verbose logging: %s\n",
+                getVerboseLoggingEnabledImpl() ? "enabled" : "disabled");
+
+        dprintf(fd, "[%s] %s\n", (full ? "full" : "default"), "Hello, world!");
+
+        // Shows an example on how to use the libdumpstateutil API.
+        DumpFileToFd(fd, "cmdline", "/proc/self/cmdline");
+
+        return DumpstateStatus::OK;
+    }
+
+    static bool getVerboseLoggingEnabledImpl() {
+        return ::android::base::GetBoolProperty(kVerboseLoggingProperty, false);
+    }
+};
+}  // namespace
+
+int main(int, char**) {
+    using ::android::sp;
+    using ::android::hardware::configureRpcThreadpool;
+    using ::android::hardware::joinRpcThreadpool;
+    using ::android::hardware::LazyServiceRegistrar;
+
+    configureRpcThreadpool(1, true);
+
+    auto dumpstate = sp<DumpstateDevice>::make();
+    auto serviceRegistrar = LazyServiceRegistrar::getInstance();
+
+    if (serviceRegistrar.registerService(dumpstate) != ::android::OK) {
+        ALOGE("Could not register service.");
+        return 1;
+    }
+
+    joinRpcThreadpool();
+    return 0;
+}