bootctrl: Add support for boot control hal V1.2
V1_2::IBootControl adds getActiveBootSlot() API.
Enhance libboot_control_qti library to implement this API.
Change-Id: I32aea39b319f6844d82bcc17bb636add36a1f659
diff --git a/bootctrl/1.2/impl/BootControl.cpp b/bootctrl/1.2/impl/BootControl.cpp
new file mode 100644
index 0000000..9f5bc71
--- /dev/null
+++ b/bootctrl/1.2/impl/BootControl.cpp
@@ -0,0 +1,140 @@
+/*
+ * Copyright (c) 2021, The Linux Foundation. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ * * Neither the name of The Linux Foundation nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
+ * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+ * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#define LOG_TAG "android.hardware.boot@1.2-impl-qti"
+
+#include <memory>
+
+#include <log/log.h>
+
+#include "BootControl.h"
+
+namespace android {
+namespace hardware {
+namespace boot {
+namespace V1_2 {
+namespace implementation {
+
+using ::android::hardware::boot::V1_0::CommandResult;
+
+bool BootControl::Init() {
+ return bootcontrol_init();
+}
+
+// Methods from ::android::hardware::boot::V1_0::IBootControl.
+Return<uint32_t> BootControl::getNumberSlots() {
+ return get_number_slots();
+}
+
+Return<uint32_t> BootControl::getCurrentSlot() {
+ return get_current_slot();
+}
+
+Return<void> BootControl::markBootSuccessful(markBootSuccessful_cb _hidl_cb) {
+ int ret = mark_boot_successful();
+ struct CommandResult cr;
+ cr.success = (ret == 0);
+ cr.errMsg = strerror(-ret);
+ _hidl_cb(cr);
+ return Void();
+}
+
+Return<void> BootControl::setActiveBootSlot(uint32_t slot, setActiveBootSlot_cb _hidl_cb) {
+ int ret = set_active_boot_slot(slot);
+ struct CommandResult cr;
+ cr.success = (ret == 0);
+ cr.errMsg = strerror(-ret);
+ _hidl_cb(cr);
+ return Void();
+}
+
+Return<void> BootControl::setSlotAsUnbootable(uint32_t slot, setSlotAsUnbootable_cb _hidl_cb) {
+ int ret = set_slot_as_unbootable(slot);
+ struct CommandResult cr;
+ cr.success = (ret == 0);
+ cr.errMsg = strerror(-ret);
+ _hidl_cb(cr);
+ return Void();
+}
+
+Return<BoolResult> BootControl::isSlotBootable(uint32_t slot) {
+ int32_t ret = is_slot_bootable(slot);
+ if (ret < 0) {
+ return BoolResult::INVALID_SLOT;
+ }
+ return ret ? BoolResult::TRUE : BoolResult::FALSE;
+}
+
+Return<BoolResult> BootControl::isSlotMarkedSuccessful(uint32_t slot) {
+ int32_t ret = is_slot_marked_successful(slot);
+ if (ret < 0) {
+ return BoolResult::INVALID_SLOT;
+ }
+ return ret ? BoolResult::TRUE : BoolResult::FALSE;
+}
+
+Return<void> BootControl::getSuffix(uint32_t slot, getSuffix_cb _hidl_cb) {
+ hidl_string ans;
+ const char* suffix = get_suffix(slot);
+ if (suffix) {
+ ans = suffix;
+ }
+ _hidl_cb(ans);
+ return Void();
+}
+
+// Methods from ::android::hardware::boot::V1_1::IBootControl.
+Return<bool> BootControl::setSnapshotMergeStatus(MergeStatus status) {
+ return set_snapshot_merge_status(status);
+}
+
+Return<MergeStatus> BootControl::getSnapshotMergeStatus() {
+ return get_snapshot_merge_status();
+}
+
+// Methods from ::android::hardware::boot::V1_2::IBootControl.
+Return<uint32_t> BootControl::getActiveBootSlot() {
+ int32_t ret = get_active_boot_slot();
+ return ret < 0 ? 0 : ret;
+}
+
+IBootControl* HIDL_FETCH_IBootControl(const char* /* hal */) {
+ auto module = std::make_unique<BootControl>();
+ if (!module->Init()) {
+ ALOGE("Could not initialize BootControl module");
+ return nullptr;
+ }
+ return module.release();
+}
+
+} // namespace implementation
+} // namespace V1_2
+} // namespace boot
+} // namespace hardware
+} // namespace android