Merge "Implement bootctrl aidl" am: 3db22b8196

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/2113625

Change-Id: I955963ebd2d788cbaac03a9d6eac9de3ba44760c
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>

boot/1.1/default/boot_control/include/private/boot_control_definition.h

@@ -14,6 +14,9 @@
  * limitations under the License.
  */
 
+#include <stdint.h>
+
+#include <bootloader_message/bootloader_message.h>
 
 /**
  * The A/B-specific bootloader message structure (4-KiB).

boot/aidl/default/Android.bp

@@ -0,0 +1,34 @@
+//
+// Copyright (C) 2022 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+cc_binary {
+    name: "android.hardware.boot-service.default",
+    defaults: ["libboot_control_defaults"],
+    relative_install_path: "hw",
+    init_rc: ["boot-default.rc"],
+    vintf_fragments: ["boot-default.xml"],
+    vendor: true,
+    shared_libs: [
+        "libbase",
+        "libbinder_ndk",
+        "android.hardware.boot@1.1",
+        "android.hardware.boot-V1-ndk",
+    ],
+    static_libs: [
+        "libboot_control",
+    ],
+    srcs: ["main.cpp", "BootControl.cpp"],
+}

boot/aidl/default/BootControl.cpp

@@ -0,0 +1,152 @@
+/*
+ * Copyright (C) 2022 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 "BootControl.h"
+#include <cstdint>
+
+#include <android-base/logging.h>
+
+using HIDLMergeStatus = ::android::bootable::BootControl::MergeStatus;
+using ndk::ScopedAStatus;
+
+namespace aidl::android::hardware::boot {
+
+BootControl::BootControl() {
+    CHECK(impl_.Init());
+}
+
+ScopedAStatus BootControl::getActiveBootSlot(int32_t* _aidl_return) {
+    *_aidl_return = impl_.GetActiveBootSlot();
+    return ScopedAStatus::ok();
+}
+
+ScopedAStatus BootControl::getCurrentSlot(int32_t* _aidl_return) {
+    *_aidl_return = impl_.GetCurrentSlot();
+    return ScopedAStatus::ok();
+}
+
+ScopedAStatus BootControl::getNumberSlots(int32_t* _aidl_return) {
+    *_aidl_return = impl_.GetNumberSlots();
+    return ScopedAStatus::ok();
+}
+
+namespace {
+
+static constexpr MergeStatus ToAIDLMergeStatus(HIDLMergeStatus status) {
+    switch (status) {
+        case HIDLMergeStatus::NONE:
+            return MergeStatus::NONE;
+        case HIDLMergeStatus::UNKNOWN:
+            return MergeStatus::UNKNOWN;
+        case HIDLMergeStatus::SNAPSHOTTED:
+            return MergeStatus::SNAPSHOTTED;
+        case HIDLMergeStatus::MERGING:
+            return MergeStatus::MERGING;
+        case HIDLMergeStatus::CANCELLED:
+            return MergeStatus::CANCELLED;
+    }
+}
+
+static constexpr HIDLMergeStatus ToHIDLMergeStatus(MergeStatus status) {
+    switch (status) {
+        case MergeStatus::NONE:
+            return HIDLMergeStatus::NONE;
+        case MergeStatus::UNKNOWN:
+            return HIDLMergeStatus::UNKNOWN;
+        case MergeStatus::SNAPSHOTTED:
+            return HIDLMergeStatus::SNAPSHOTTED;
+        case MergeStatus::MERGING:
+            return HIDLMergeStatus::MERGING;
+        case MergeStatus::CANCELLED:
+            return HIDLMergeStatus::CANCELLED;
+    }
+}
+
+}
+
+ScopedAStatus BootControl::getSnapshotMergeStatus(MergeStatus* _aidl_return) {
+    *_aidl_return = ToAIDLMergeStatus(impl_.GetSnapshotMergeStatus());
+    return ScopedAStatus::ok();
+}
+
+ScopedAStatus BootControl::getSuffix(int32_t in_slot, std::string* _aidl_return) {
+    if (!impl_.IsValidSlot(in_slot)) {
+        return ScopedAStatus::fromServiceSpecificErrorWithMessage(
+                INVALID_SLOT, (std::string("Invalid slot ") + std::to_string(in_slot)).c_str());
+    }
+    *_aidl_return = impl_.GetSuffix(in_slot);
+    return ScopedAStatus::ok();
+}
+
+ScopedAStatus BootControl::isSlotBootable(int32_t in_slot, bool* _aidl_return) {
+    if (!impl_.IsValidSlot(in_slot)) {
+        return ScopedAStatus::fromServiceSpecificErrorWithMessage(
+                INVALID_SLOT, (std::string("Invalid slot ") + std::to_string(in_slot)).c_str());
+    }
+    *_aidl_return = impl_.IsSlotBootable(in_slot);
+    return ScopedAStatus::ok();
+}
+
+ScopedAStatus BootControl::isSlotMarkedSuccessful(int32_t in_slot, bool* _aidl_return) {
+    if (!impl_.IsValidSlot(in_slot)) {
+        return ScopedAStatus::fromServiceSpecificErrorWithMessage(
+                INVALID_SLOT, (std::string("Invalid slot ") + std::to_string(in_slot)).c_str());
+    }
+    *_aidl_return = impl_.IsSlotMarkedSuccessful(in_slot);
+    return ScopedAStatus::ok();
+}
+
+ScopedAStatus BootControl::markBootSuccessful() {
+    if (!impl_.MarkBootSuccessful()) {
+        return ScopedAStatus::fromServiceSpecificErrorWithMessage(COMMAND_FAILED,
+                                                                  "Operation failed");
+    }
+    return ScopedAStatus::ok();
+}
+
+ScopedAStatus BootControl::setActiveBootSlot(int32_t in_slot) {
+    if (!impl_.IsValidSlot(in_slot)) {
+        return ScopedAStatus::fromServiceSpecificErrorWithMessage(
+                INVALID_SLOT, (std::string("Invalid slot ") + std::to_string(in_slot)).c_str());
+    }
+    if (!impl_.SetActiveBootSlot(in_slot)) {
+        return ScopedAStatus::fromServiceSpecificErrorWithMessage(COMMAND_FAILED,
+                                                                  "Operation failed");
+    }
+    return ScopedAStatus::ok();
+}
+
+ScopedAStatus BootControl::setSlotAsUnbootable(int32_t in_slot) {
+    if (!impl_.IsValidSlot(in_slot)) {
+        return ScopedAStatus::fromServiceSpecificErrorWithMessage(
+                INVALID_SLOT, (std::string("Invalid slot ") + std::to_string(in_slot)).c_str());
+    }
+    if (!impl_.SetSlotAsUnbootable(in_slot)) {
+        return ScopedAStatus::fromServiceSpecificErrorWithMessage(COMMAND_FAILED,
+                                                                  "Operation failed");
+    }
+    return ScopedAStatus::ok();
+}
+
+ScopedAStatus BootControl::setSnapshotMergeStatus(MergeStatus in_status) {
+    if (!impl_.SetSnapshotMergeStatus(ToHIDLMergeStatus(in_status))) {
+        return ScopedAStatus::fromServiceSpecificErrorWithMessage(COMMAND_FAILED,
+                                                                  "Operation failed");
+    }
+    return ScopedAStatus::ok();
+}
+
+}  // namespace aidl::android::hardware::boot

boot/aidl/default/BootControl.h

@@ -0,0 +1,45 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <aidl/android/hardware/boot/BnBootControl.h>
+#include <libboot_control/libboot_control.h>
+
+namespace aidl::android::hardware::boot {
+
+class BootControl final : public BnBootControl {
+  public:
+    BootControl();
+    ::ndk::ScopedAStatus getActiveBootSlot(int32_t* _aidl_return) override;
+    ::ndk::ScopedAStatus getCurrentSlot(int32_t* _aidl_return) override;
+    ::ndk::ScopedAStatus getNumberSlots(int32_t* _aidl_return) override;
+    ::ndk::ScopedAStatus getSnapshotMergeStatus(
+            ::aidl::android::hardware::boot::MergeStatus* _aidl_return) override;
+    ::ndk::ScopedAStatus getSuffix(int32_t in_slot, std::string* _aidl_return) override;
+    ::ndk::ScopedAStatus isSlotBootable(int32_t in_slot, bool* _aidl_return) override;
+    ::ndk::ScopedAStatus isSlotMarkedSuccessful(int32_t in_slot, bool* _aidl_return) override;
+    ::ndk::ScopedAStatus markBootSuccessful() override;
+    ::ndk::ScopedAStatus setActiveBootSlot(int32_t in_slot) override;
+    ::ndk::ScopedAStatus setSlotAsUnbootable(int32_t in_slot) override;
+    ::ndk::ScopedAStatus setSnapshotMergeStatus(
+            ::aidl::android::hardware::boot::MergeStatus in_status) override;
+
+  private:
+    ::android::bootable::BootControl impl_;
+};
+
+}  // namespace aidl::android::hardware::boot

boot/aidl/default/boot-default.rc

@@ -0,0 +1,5 @@
+service vendor.boot-default /vendor/bin/hw/android.hardware.boot-service.default
+    class early_hal
+    user root
+    group root
+

boot/aidl/default/boot-default.xml

@@ -0,0 +1,6 @@
+<manifest version="1.0" type="device">
+    <hal format="aidl">
+        <name>android.hardware.boot</name>
+        <fqname>IBootControl/default</fqname>
+    </hal>
+</manifest>

boot/aidl/default/main.cpp

@@ -0,0 +1,38 @@
+/*
+ * Copyright (C) 2022 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 "BootControl.h"
+
+#include <android-base/logging.h>
+#include <android/binder_manager.h>
+#include <android/binder_process.h>
+
+using aidl::android::hardware::boot::BootControl;
+using aidl::android::hardware::boot::IBootControl;
+
+int main(int, char* argv[]) {
+    android::base::InitLogging(argv, android::base::KernelLogger);
+    ABinderProcess_setThreadPoolMaxThreadCount(0);
+    std::shared_ptr<IBootControl> service = ndk::SharedRefBase::make<BootControl>();
+
+    const std::string instance = std::string(BootControl::descriptor) + "/default";
+    auto status = AServiceManager_addService(service->asBinder().get(), instance.c_str());
+    CHECK_EQ(status, STATUS_OK) << "Failed to add service " << instance << " " << status;
+    LOG(INFO) << "IBootControl AIDL service running...";
+
+    ABinderProcess_joinThreadPool();
+    return EXIT_FAILURE;  // should not reach
+}