gs201: move bootctrl hal to gs-common

Bug: 265063384
Change-Id: I11d07835c2785bdcc2a373befc1109bc12e4d11f
Signed-off-by: Jason Chiu <jasoncschiu@google.com>

15 files changed, 0 insertions, 1686 deletions

diff --git a/interfaces/boot/1.0/Android.bp b/interfaces/boot/1.0/Android.bp
deleted file mode 100644
index a5937e7..0000000
--- a/interfaces/boot/1.0/Android.bp
+++ /dev/null
@@ -1,66 +0,0 @@
-//
-// 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 {
-    // See: http://go/android-license-faq
-    // A large-scale-change added 'default_applicable_licenses' to import
-    // all of the 'license_kinds' from "//device/google/gs201:device_google_gs201_license"
-    // to get the below license kinds:
-    //   SPDX-license-identifier-Apache-2.0
-    default_applicable_licenses: [
-        "//device/google/gs201:device_google_gs201_license",
-    ],
-}
-
-cc_binary {
-    name: "android.hardware.boot@1.0-service-gs201",
-    defaults: ["hidl_defaults"],
-    relative_install_path: "hw",
-    vendor: true,
-    init_rc: ["android.hardware.boot@1.0-service-gs201.rc"],
-    srcs: [
-        "BootControl.cpp",
-        "GptUtils.cpp",
-        "service.cpp"
-    ],
-    shared_libs: [
-        "libbase",
-        "liblog",
-        "libhidlbase",
-        "libutils",
-        "libcutils",
-        "libz",
-        "android.hardware.boot@1.0",
-    ],
-}
-
-cc_library {
-    name: "android.hardware.boot@1.0-impl-gs201",
-    recovery: true,
-    srcs: [
-        "BootControl.cpp",
-        "GptUtils.cpp",
-    ],
-    relative_install_path: "hw",
-    shared_libs: [
-        "libbase",
-        "liblog",
-        "libhidlbase",
-        "libutils",
-        "libcutils",
-        "libz",
-        "android.hardware.boot@1.0",
-    ],
-}
diff --git a/interfaces/boot/1.0/BootControl.cpp b/interfaces/boot/1.0/BootControl.cpp
deleted file mode 100644
index 1f155c9..0000000
--- a/interfaces/boot/1.0/BootControl.cpp
+++ /dev/null
@@ -1,272 +0,0 @@
-/*
- * 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.
- */
-
-#define LOG_TAG "bootcontrolhal"
-
-#include "BootControl.h"
-#include "GptUtils.h"
-
-#include <android-base/file.h>
-#include <cutils/properties.h>
-#include <log/log.h>
-
-namespace android {
-namespace hardware {
-namespace boot {
-namespace V1_0 {
-namespace implementation {
-
-namespace {
-
-#define BOOT_A_PATH     "/dev/block/by-name/boot_a"
-#define BOOT_B_PATH     "/dev/block/by-name/boot_b"
-
-// slot flags
-#define AB_ATTR_PRIORITY_SHIFT      52
-#define AB_ATTR_PRIORITY_MASK       (3UL << AB_ATTR_PRIORITY_SHIFT)
-#define AB_ATTR_ACTIVE_SHIFT        54
-#define AB_ATTR_ACTIVE              (1UL << AB_ATTR_ACTIVE_SHIFT)
-#define AB_ATTR_RETRY_COUNT_SHIFT   (55)
-#define AB_ATTR_RETRY_COUNT_MASK    (7UL << AB_ATTR_RETRY_COUNT_SHIFT)
-#define AB_ATTR_SUCCESSFUL          (1UL << 58)
-#define AB_ATTR_UNBOOTABLE          (1UL << 59)
-
-#define AB_ATTR_MAX_PRIORITY        3UL
-#define AB_ATTR_MAX_RETRY_COUNT     3UL
-
-static std::string getDevPath(uint32_t slot) {
-    char real_path[PATH_MAX];
-
-    const char *path = slot == 0 ? BOOT_A_PATH : BOOT_B_PATH;
-
-    int ret = readlink(path, real_path, sizeof real_path);
-    if (ret < 0) {
-        ALOGE("readlink failed for boot device %s\n", strerror(errno));
-        return std::string();
-    }
-
-    std::string dp(real_path);
-    // extract /dev/sda.. part
-    return dp.substr(0, sizeof "/dev/block/sdX" - 1);
-}
-
-static bool isSlotFlagSet(uint32_t slot, uint64_t flag) {
-    std::string dev_path = getDevPath(slot);
-    if (dev_path.empty()) {
-        ALOGI("Could not get device path for slot %d\n", slot);
-        return false;
-    }
-
-    GptUtils gpt(dev_path);
-    if (gpt.Load()) {
-        ALOGI("failed to load gpt data\n");
-        return false;
-    }
-
-    gpt_entry *e = gpt.GetPartitionEntry(slot ? "boot_b" : "boot_a");
-    if (e == nullptr) {
-        ALOGI("failed to get gpt entry\n");
-        return false;
-    }
-
-    return !!(e->attr & flag);
-}
-
-static int setSlotFlag(uint32_t slot, uint64_t flag) {
-    std::string dev_path = getDevPath(slot);
-    if (dev_path.empty()) {
-        ALOGI("Could not get device path for slot %d\n", slot);
-        return -1;
-    }
-
-    GptUtils gpt(dev_path);
-    if (gpt.Load()) {
-        ALOGI("failed to load gpt data\n");
-        return -1;
-    }
-
-    gpt_entry *e = gpt.GetPartitionEntry(slot ? "boot_b" : "boot_a");
-    if (e == nullptr) {
-        ALOGI("failed to get gpt entry\n");
-        return -1;
-    }
-
-    e->attr |= flag;
-    gpt.Sync();
-
-    return 0;
-}
-
-}
-
-// Methods from ::android::hardware::boot::V1_0::IBootControl follow.
-Return<uint32_t> BootControl::getNumberSlots() {
-    uint32_t slots = 0;
-
-    if (access(BOOT_A_PATH, F_OK) == 0)
-      slots++;
-
-    if (access(BOOT_B_PATH, F_OK) == 0)
-      slots++;
-
-    return slots;
-}
-
-Return<uint32_t> BootControl::getCurrentSlot() {
-    char suffix[PROPERTY_VALUE_MAX];
-    property_get("ro.boot.slot_suffix", suffix, "_a");
-    return std::string(suffix) == "_b" ? 1 : 0;
-}
-
-Return<void> BootControl::markBootSuccessful(markBootSuccessful_cb _hidl_cb) {
-    if (getNumberSlots() == 0) {
-        // no slots, just return true otherwise Android keeps trying
-        _hidl_cb({true, ""});
-        return Void();
-    }
-    int ret = setSlotFlag(getCurrentSlot(), AB_ATTR_SUCCESSFUL);
-    ret ? _hidl_cb({false, "Failed to set successfull flag"}) : _hidl_cb({true, ""});
-    return Void();
-}
-
-Return<void> BootControl::setActiveBootSlot(uint32_t slot, setActiveBootSlot_cb _hidl_cb) {
-    if (slot >= 2) {
-        _hidl_cb({false, "Invalid slot"});
-        return Void();
-    }
-
-    std::string dev_path = getDevPath(slot);
-    if (dev_path.empty()) {
-        _hidl_cb({false, "Could not get device path for slot"});
-        return Void();
-    }
-
-    GptUtils gpt(dev_path);
-    if (gpt.Load()) {
-        _hidl_cb({false, "failed to load gpt data"});
-        return Void();
-    }
-
-    gpt_entry *active_entry = gpt.GetPartitionEntry(slot == 0 ? "boot_a" : "boot_b");
-    gpt_entry *inactive_entry = gpt.GetPartitionEntry(slot == 0 ? "boot_b" : "boot_a");
-    if (active_entry == nullptr || inactive_entry == nullptr) {
-        _hidl_cb({false, "failed to get entries for boot partitions"});
-        return Void();
-    }
-
-    ALOGV("slot active attributes %lx\n", active_entry->attr);
-    ALOGV("slot inactive attributes %lx\n", inactive_entry->attr);
-
-    char boot_dev[PROPERTY_VALUE_MAX];
-    property_get("ro.boot.bootdevice", boot_dev, "");
-    if (boot_dev[0] == '\0') {
-        _hidl_cb({false, "invalid ro.boot.bootdevice prop"});
-        return Void();
-    }
-
-    std::string boot_lun_path = std::string("/sys/devices/platform/") +
-                                boot_dev + "/pixel/boot_lun_enabled";
-    int fd = open(boot_lun_path.c_str(), O_RDWR);
-    if (fd < 0) {
-        // Try old path for kernels < 5.4
-        // TODO: remove once kernel 4.19 support is deprecated
-        std::string boot_lun_path = std::string("/sys/devices/platform/") +
-                                    boot_dev + "/attributes/boot_lun_enabled";
-        fd = open(boot_lun_path.c_str(), O_RDWR);
-        if (fd < 0) {
-            _hidl_cb({false, "failed to open ufs attr boot_lun_enabled"});
-            return Void();
-        }
-    }
-
-    // update attributes for active and inactive
-    inactive_entry->attr &= ~AB_ATTR_ACTIVE;
-    active_entry->attr = AB_ATTR_ACTIVE | (AB_ATTR_MAX_PRIORITY << AB_ATTR_PRIORITY_SHIFT) |
-                         (AB_ATTR_MAX_RETRY_COUNT << AB_ATTR_RETRY_COUNT_SHIFT);
-
-    //
-    // bBootLunEn
-    // 0x1  => Boot LU A = enabled, Boot LU B = disable
-    // 0x2  => Boot LU A = disable, Boot LU B = enabled
-    //
-    int ret = android::base::WriteStringToFd(slot == 0 ? "1" : "2", fd);
-    close(fd);
-    if (ret < 0) {
-        _hidl_cb({false, "faied to write boot_lun_enabled attribute"});
-        return Void();
-    }
-
-    _hidl_cb({true, ""});
-    return Void();
-}
-
-Return<void> BootControl::setSlotAsUnbootable(uint32_t slot, setSlotAsUnbootable_cb _hidl_cb) {
-    if (slot >= 2) {
-        _hidl_cb({false, "Invalid slot"});
-        return Void();
-    }
-
-    std::string dev_path = getDevPath(slot);
-    if (dev_path.empty()) {
-        _hidl_cb({false, "Could not get device path for slot"});
-        return Void();
-    }
-
-    GptUtils gpt(dev_path);
-    gpt.Load();
-
-    gpt_entry *e = gpt.GetPartitionEntry(slot ? "boot_b" : "boot_a");
-    e->attr |= AB_ATTR_UNBOOTABLE;
-
-    gpt.Sync();
-
-    _hidl_cb({true, ""});
-    return Void();
-}
-
-Return<::android::hardware::boot::V1_0::BoolResult> BootControl::isSlotBootable(uint32_t slot) {
-    if (getNumberSlots() == 0)
-        return BoolResult::FALSE;
-    if (slot >= getNumberSlots())
-        return BoolResult::INVALID_SLOT;
-    return isSlotFlagSet(slot, AB_ATTR_UNBOOTABLE) ? BoolResult::FALSE : BoolResult::TRUE;
-}
-
-Return<::android::hardware::boot::V1_0::BoolResult> BootControl::isSlotMarkedSuccessful(uint32_t slot) {
-    if (getNumberSlots() == 0) {
-        // just return true so that we don't we another call trying to mark it as successful
-        // when there is no slots
-        return BoolResult::TRUE;
-    }
-    if (slot >= getNumberSlots())
-        return BoolResult::INVALID_SLOT;
-    return isSlotFlagSet(slot, AB_ATTR_SUCCESSFUL) ? BoolResult::TRUE : BoolResult::FALSE;
-}
-
-Return<void> BootControl::getSuffix(uint32_t slot, getSuffix_cb _hidl_cb) {
-    _hidl_cb(slot == 0 ? "_a" : slot == 1 ? "_b" : "");
-    return Void();
-}
-
-extern "C" IBootControl* HIDL_FETCH_IBootControl(const char*) {
-    return new BootControl();
-}
-
-}  // namespace implementation
-}  // namespace V1_0
-}  // namespace boot
-}  // namespace hardware
-}  // namespace android
diff --git a/interfaces/boot/1.0/BootControl.h b/interfaces/boot/1.0/BootControl.h
deleted file mode 100644
index eb81cb0..0000000
--- a/interfaces/boot/1.0/BootControl.h
+++ /dev/null
@@ -1,59 +0,0 @@
-/*
- * 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.
- */
-
-#pragma once
-
-#include <android/hardware/boot/1.0/IBootControl.h>
-#include <hidl/MQDescriptor.h>
-#include <hidl/Status.h>
-
-namespace android {
-namespace hardware {
-namespace boot {
-namespace V1_0 {
-namespace implementation {
-
-using ::android::hardware::hidl_array;
-using ::android::hardware::hidl_memory;
-using ::android::hardware::hidl_string;
-using ::android::hardware::hidl_vec;
-using ::android::hardware::Return;
-using ::android::hardware::Void;
-using ::android::sp;
-
-struct BootControl : public IBootControl {
-    // Methods from ::android::hardware::boot::V1_0::IBootControl follow.
-    Return<uint32_t> getNumberSlots() override;
-    Return<uint32_t> getCurrentSlot() override;
-    Return<void> markBootSuccessful(markBootSuccessful_cb _hidl_cb) override;
-    Return<void> setActiveBootSlot(uint32_t slot, setActiveBootSlot_cb _hidl_cb) override;
-    Return<void> setSlotAsUnbootable(uint32_t slot, setSlotAsUnbootable_cb _hidl_cb) override;
-    Return<::android::hardware::boot::V1_0::BoolResult> isSlotBootable(uint32_t slot) override;
-    Return<::android::hardware::boot::V1_0::BoolResult> isSlotMarkedSuccessful(uint32_t slot) override;
-    Return<void> getSuffix(uint32_t slot, getSuffix_cb _hidl_cb) override;
-
-    // Methods from ::android::hidl::base::V1_0::IBase follow.
-
-};
-
-// FIXME: most likely delete, this is only for passthrough implementations
-extern "C" IBootControl* HIDL_FETCH_IBootControl(const char* name);
-
-}  // namespace implementation
-}  // namespace V1_0
-}  // namespace boot
-}  // namespace hardware
-}  // namespace android
diff --git a/interfaces/boot/1.0/GptUtils.cpp b/interfaces/boot/1.0/GptUtils.cpp
deleted file mode 100644
index f893617..0000000
--- a/interfaces/boot/1.0/GptUtils.cpp
+++ /dev/null
@@ -1,199 +0,0 @@
-/*
- * 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.
- */
-
-#define LOG_TAG "bootcontrolhal"
-
-#include "GptUtils.h"
-
-#include <errno.h>
-#include <log/log.h>
-#include <android-base/file.h>
-#include <linux/fs.h>
-#include <zlib.h>
-
-namespace android {
-namespace hardware {
-namespace boot {
-namespace V1_0 {
-namespace implementation {
-
-namespace {
-
-static int ValidateGptHeader(gpt_header *gpt)
-{
-    if (gpt->signature != GPT_SIGNATURE) {
-        ALOGE("invalid gpt signature 0x%lx\n", gpt->signature);
-        return -1;
-    }
-
-    if (gpt->header_size != sizeof(gpt_header)) {
-        ALOGE("invalid gpt header size %u\n", gpt->header_size);
-        return -1;
-    }
-
-    if (gpt->entry_size != sizeof(gpt_entry)) {
-        ALOGE("invalid gpt entry size %u\n", gpt->entry_size);
-        return -1;
-    }
-
-    return 0;
-}
-
-}
-
-GptUtils::GptUtils(const std::string dev_path) : dev_path(dev_path), fd(0) {}
-
-int GptUtils::Load(void)
-{
-    fd = open(dev_path.c_str(), O_RDWR);
-    if (fd < 0) {
-        ALOGE("failed to open block dev %s, %d\n", dev_path.c_str(), errno);
-        return -1;
-    }
-
-    int ret = ioctl(fd, BLKSSZGET, &block_size);
-    if (ret < 0) {
-        ALOGE("failed to get block size %d\n", errno);
-        return -1;
-    }
-
-    // read primary header
-    lseek64(fd, block_size, SEEK_SET);
-    ret = read(fd, &gpt_primary, sizeof gpt_primary);
-    if (ret < 0) {
-        ALOGE("failed to read gpt primary header %d\n", errno);
-        return -1;
-    }
-
-    if (ValidateGptHeader(&gpt_primary)) {
-        ALOGE("error validating gpt header\n");
-        return -1;
-    }
-
-    // read partition entries
-    entry_array.resize(gpt_primary.entry_count);
-    uint32_t entries_size = gpt_primary.entry_size * gpt_primary.entry_count;
-    lseek64(fd, block_size * gpt_primary.start_lba, SEEK_SET);
-    ret = read(fd, entry_array.data(), entries_size);
-    if (ret < 0) {
-        ALOGE("failed to read gpt partition entries %d\n", errno);
-        return -1;
-    }
-
-    // read gpt back header
-    lseek64(fd, block_size * gpt_primary.backup_lba, SEEK_SET);
-    ret = read(fd, &gpt_backup, sizeof gpt_backup);
-    if (ret < 0) {
-        ALOGE("failed to read gpt backup header %d\n", errno);
-        return -1;
-    }
-
-    if (ValidateGptHeader(&gpt_backup)) {
-        ALOGW("error validating gpt backup\n"); // just warn about it, not fail
-    }
-
-    // Create map <partition name, gpt_entry pointer>
-    auto get_name = [](const uint16_t *efi_name) {
-        char name[37] = {};
-        for (int i = 0; efi_name[i] && i < sizeof name - 1; ++i)
-            name[i] = efi_name[i];
-        return std::string(name);
-    };
-
-    for (auto const &e: entry_array) {
-        if (e.name[0] == 0)
-            break;   // stop at the first partition with no name
-        std::string s = get_name(e.name);
-        entries[s] = const_cast<gpt_entry *>(&e);
-    }
-
-    return 0;
-}
-
-gpt_entry *GptUtils::GetPartitionEntry(std::string name)
-{
-    return entries.find(name) != entries.end() ?  entries[name] : nullptr;
-}
-
-int GptUtils::Sync(void)
-{
-    if (!fd)
-        return -1;
-
-    // calculate crc and check if we need to update gpt
-    gpt_primary.entries_crc32 = crc32(0, reinterpret_cast<uint8_t *>(entry_array.data()),
-                                entry_array.size() * sizeof(gpt_entry));
-
-    // save old crc
-    uint32_t crc = gpt_primary.crc32;
-    gpt_primary.crc32 = 0;
-
-    gpt_primary.crc32 = crc32(0, reinterpret_cast<uint8_t *>(&gpt_primary), sizeof gpt_primary);
-    if (crc == gpt_primary.crc32)
-        return 0; // nothing to do (no changes)
-
-    ALOGI("updating GPT\n");
-
-    lseek64(fd, block_size * gpt_primary.current_lba, SEEK_SET);
-    int ret = write(fd, &gpt_primary, sizeof gpt_primary);
-    if (ret < 0) {
-        ALOGE("failed to write gpt primary header %d\n", errno);
-        return -1;
-    }
-
-    lseek64(fd, block_size * gpt_primary.start_lba, SEEK_SET);
-    ret = write(fd, entry_array.data(), entry_array.size() * sizeof(gpt_entry));
-    if (ret < 0) {
-        ALOGE("failed to write gpt partition entries %d\n", errno);
-        return -1;
-    }
-
-    //update GPT backup entries and backup
-    lseek64(fd, block_size * gpt_backup.start_lba, SEEK_SET);
-    ret = write(fd, entry_array.data(), entry_array.size() * sizeof(gpt_entry));
-    if (ret < 0) {
-        ALOGE("failed to write gpt backup partition entries %d\n", errno);
-        return -1;
-    }
-
-    gpt_backup.entries_crc32 = gpt_primary.entries_crc32;
-    gpt_backup.crc32 = 0;
-    gpt_backup.crc32 = crc32(0, reinterpret_cast<uint8_t *>(&gpt_backup), sizeof gpt_backup);
-    lseek64(fd, block_size * gpt_primary.backup_lba, SEEK_SET);
-    ret = write(fd, &gpt_backup, sizeof gpt_backup);
-    if (ret < 0) {
-        ALOGE("failed to write gpt backup header %d\n", errno);
-        return -1;
-    }
-
-    fsync(fd);
-
-    return 0;
-}
-
-GptUtils::~GptUtils()
-{
-    if (fd) {
-        Sync();
-        close(fd);
-    }
-}
-
-}  // namespace implementation
-}  // namespace V1_0
-}  // namespace boot
-}  // namespace hardware
-}  // namespace android
diff --git a/interfaces/boot/1.0/GptUtils.h b/interfaces/boot/1.0/GptUtils.h
deleted file mode 100644
index d969d9d..0000000
--- a/interfaces/boot/1.0/GptUtils.h
+++ /dev/null
@@ -1,79 +0,0 @@
-/*
- * 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.
- */
-
-#pragma once
-
-#include <string>
-#include <vector>
-#include <map>
-
-namespace android {
-namespace hardware {
-namespace boot {
-namespace V1_0 {
-namespace implementation {
-
-#define GPT_SIGNATURE       0x5452415020494645UL
-
-typedef struct {
-    uint8_t type_guid[16];
-    uint8_t guid[16];
-    uint64_t first_lba;
-    uint64_t last_lba;
-    uint64_t attr;
-    uint16_t name[36];
-} __attribute__((packed)) gpt_entry;
-
-typedef struct {
-    uint64_t signature;
-    uint32_t revision;
-    uint32_t header_size;
-    uint32_t crc32;
-    uint32_t reserved;
-    uint64_t current_lba;
-    uint64_t backup_lba;
-    uint64_t first_usable_lba;
-    uint64_t last_usable_lba;
-    uint8_t disk_guid[16];
-    uint64_t start_lba;
-    uint32_t entry_count;
-    uint32_t entry_size;
-    uint32_t entries_crc32;
-} __attribute__((packed)) gpt_header;
-
-class GptUtils {
-   public:
-    GptUtils(const std::string dev_path);
-    int Load(void);
-    gpt_entry *GetPartitionEntry(std::string name);
-    int Sync(void);
-    ~GptUtils();
-
-   private:
-    std::string dev_path;
-    int fd;
-    uint32_t block_size;
-    gpt_header gpt_primary;
-    gpt_header gpt_backup;
-    std::vector<gpt_entry> entry_array;
-    std::map<std::string, gpt_entry *>entries;
-};
-
-}  // namespace implementation
-}  // namespace V1_0
-}  // namespace boot
-}  // namespace hardware
-}  // namespace android
diff --git a/interfaces/boot/1.0/android.hardware.boot@1.0-service-gs201.rc b/interfaces/boot/1.0/android.hardware.boot@1.0-service-gs201.rc
deleted file mode 100644
index 7a7849f..0000000
--- a/interfaces/boot/1.0/android.hardware.boot@1.0-service-gs201.rc
+++ /dev/null
@@ -1,4 +0,0 @@
-service vendor.boot-hal-1-0 /vendor/bin/hw/android.hardware.boot@1.0-service-gs201
-    class early_hal
-    user root
-    group root
diff --git a/interfaces/boot/1.0/service.cpp b/interfaces/boot/1.0/service.cpp
deleted file mode 100644
index 9dcd78c..0000000
--- a/interfaces/boot/1.0/service.cpp
+++ /dev/null
@@ -1,47 +0,0 @@
-/*
- * Copyright (C) 2016 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-#define LOG_TAG "android.hardware.boot@1.0-service"
-
-#include <log/log.h>
-#include <hidl/HidlTransportSupport.h>
-#include <hidl/Status.h>
-#include <android/hardware/boot/1.0/IBootControl.h>
-#include "BootControl.h"
-
-using ::android::status_t;
-
-using ::android::hardware::boot::V1_0::IBootControl;
-
-using ::android::hardware::boot::V1_0::implementation::BootControl;
-
-int main (int /* argc */, char * /* argv */ []) {
-    // This function must be called before you join to ensure the proper
-    // number of threads are created. The threadpool will never exceed
-    // size one because of this call.
-    ::android::hardware::configureRpcThreadpool(1 /*threads*/, true /*willJoin*/);
-
-    ::android::sp bootctrl = new BootControl();
-    const status_t status = bootctrl->registerAsService();
-    if (status != ::android::OK) {
-        return 1; // or handle error
-    }
-
-    // Adds this thread to the threadpool, resulting in one total
-    // thread in the threadpool. We could also do other things, but
-    // would have to specify 'false' to willJoin in configureRpcThreadpool.
-    ::android::hardware::joinRpcThreadpool();
-    return 1; // joinRpcThreadpool should never return
-}
diff --git a/interfaces/boot/1.2/Android.bp b/interfaces/boot/1.2/Android.bp
deleted file mode 100644
index a9fb7f4..0000000
--- a/interfaces/boot/1.2/Android.bp
+++ /dev/null
@@ -1,81 +0,0 @@
-//
-// 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 {
-    // See: http://go/android-license-faq
-    // A large-scale-change added 'default_applicable_licenses' to import
-    // all of the 'license_kinds' from "//device/google/gs201:device_google_gs201_license"
-    // to get the below license kinds:
-    //   SPDX-license-identifier-Apache-2.0
-    default_applicable_licenses: [
-        "//device/google/gs201:device_google_gs201_license",
-    ],
-}
-
-cc_binary {
-    name: "android.hardware.boot@1.2-service-gs201",
-    defaults: ["hidl_defaults"],
-    relative_install_path: "hw",
-    vendor: true,
-    init_rc: ["android.hardware.boot@1.2-service-gs201.rc"],
-    srcs: [
-        "BootControl.cpp",
-        "GptUtils.cpp",
-        "service.cpp"
-    ],
-    shared_libs: [
-        "libbase",
-        "liblog",
-        "libhidlbase",
-        "libutils",
-        "libcutils",
-        "libz",
-        "android.hardware.boot@1.0",
-        "android.hardware.boot@1.1",
-        "android.hardware.boot@1.2",
-    ],
-    static_libs: [
-        "libboot_control",
-        "libbootloader_message_vendor",
-        "libfstab",
-    ],
-}
-
-cc_library {
-    name: "android.hardware.boot@1.2-impl-gs201",
-    stem: "android.hardware.boot@1.0-impl-1.2-impl-gs201",
-    recovery: true,
-    srcs: [
-        "BootControl.cpp",
-        "GptUtils.cpp",
-    ],
-    relative_install_path: "hw",
-    shared_libs: [
-        "libbase",
-        "liblog",
-        "libhidlbase",
-        "libutils",
-        "libcutils",
-        "libz",
-        "android.hardware.boot@1.0",
-        "android.hardware.boot@1.1",
-        "android.hardware.boot@1.2",
-    ],
-    static_libs: [
-        "libboot_control",
-        "libbootloader_message_vendor",
-        "libfstab",
-    ],
-}
diff --git a/interfaces/boot/1.2/BootControl.cpp b/interfaces/boot/1.2/BootControl.cpp
deleted file mode 100644
index a28be05..0000000
--- a/interfaces/boot/1.2/BootControl.cpp
+++ /dev/null
@@ -1,420 +0,0 @@
-/*
- * 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.
- */
-
-#define LOG_TAG "bootcontrolhal"
-
-#include "BootControl.h"
-
-#include <android-base/file.h>
-#include <android-base/unique_fd.h>
-#include <bootloader_message/bootloader_message.h>
-#include <cutils/properties.h>
-#include <libboot_control/libboot_control.h>
-#include <log/log.h>
-
-#include "DevInfo.h"
-#include "GptUtils.h"
-
-namespace android {
-namespace hardware {
-namespace boot {
-namespace V1_2 {
-namespace implementation {
-
-using android::bootable::GetMiscVirtualAbMergeStatus;
-using android::bootable::InitMiscVirtualAbMessageIfNeeded;
-using android::bootable::SetMiscVirtualAbMergeStatus;
-using android::hardware::boot::V1_0::BoolResult;
-using android::hardware::boot::V1_0::CommandResult;
-using android::hardware::boot::V1_1::MergeStatus;
-
-namespace {
-
-// clang-format off
-
-#define BOOT_A_PATH     "/dev/block/by-name/boot_a"
-#define BOOT_B_PATH     "/dev/block/by-name/boot_b"
-#define DEVINFO_PATH    "/dev/block/by-name/devinfo"
-
-// slot flags
-#define AB_ATTR_PRIORITY_SHIFT      52
-#define AB_ATTR_PRIORITY_MASK       (3UL << AB_ATTR_PRIORITY_SHIFT)
-#define AB_ATTR_ACTIVE_SHIFT        54
-#define AB_ATTR_ACTIVE              (1UL << AB_ATTR_ACTIVE_SHIFT)
-#define AB_ATTR_RETRY_COUNT_SHIFT   (55)
-#define AB_ATTR_RETRY_COUNT_MASK    (7UL << AB_ATTR_RETRY_COUNT_SHIFT)
-#define AB_ATTR_SUCCESSFUL          (1UL << 58)
-#define AB_ATTR_UNBOOTABLE          (1UL << 59)
-
-#define AB_ATTR_MAX_PRIORITY        3UL
-#define AB_ATTR_MAX_RETRY_COUNT     3UL
-
-// clang-format on
-
-static std::string getDevPath(uint32_t slot) {
-    char real_path[PATH_MAX];
-
-    const char *path = slot == 0 ? BOOT_A_PATH : BOOT_B_PATH;
-
-    int ret = readlink(path, real_path, sizeof real_path);
-    if (ret < 0) {
-        ALOGE("readlink failed for boot device %s\n", strerror(errno));
-        return std::string();
-    }
-
-    std::string dp(real_path);
-    // extract /dev/sda.. part
-    return dp.substr(0, sizeof "/dev/block/sdX" - 1);
-}
-
-static bool isSlotFlagSet(uint32_t slot, uint64_t flag) {
-    std::string dev_path = getDevPath(slot);
-    if (dev_path.empty()) {
-        ALOGI("Could not get device path for slot %d\n", slot);
-        return false;
-    }
-
-    GptUtils gpt(dev_path);
-    if (gpt.Load()) {
-        ALOGI("failed to load gpt data\n");
-        return false;
-    }
-
-    gpt_entry *e = gpt.GetPartitionEntry(slot ? "boot_b" : "boot_a");
-    if (e == nullptr) {
-        ALOGI("failed to get gpt entry\n");
-        return false;
-    }
-
-    return !!(e->attr & flag);
-}
-
-static bool setSlotFlag(uint32_t slot, uint64_t flag) {
-    std::string dev_path = getDevPath(slot);
-    if (dev_path.empty()) {
-        ALOGI("Could not get device path for slot %d\n", slot);
-        return false;
-    }
-
-    GptUtils gpt(dev_path);
-    if (gpt.Load()) {
-        ALOGI("failed to load gpt data\n");
-        return false;
-    }
-
-    gpt_entry *e = gpt.GetPartitionEntry(slot ? "boot_b" : "boot_a");
-    if (e == nullptr) {
-        ALOGI("failed to get gpt entry\n");
-        return false;
-    }
-
-    e->attr |= flag;
-    gpt.Sync();
-
-    return true;
-}
-
-static bool is_devinfo_valid;
-static bool is_devinfo_initialized;
-static std::mutex devinfo_lock;
-static devinfo_t devinfo;
-
-static bool isDevInfoValid() {
-    const std::lock_guard<std::mutex> lock(devinfo_lock);
-
-    if (is_devinfo_initialized) {
-        return is_devinfo_valid;
-    }
-
-    is_devinfo_initialized = true;
-
-    android::base::unique_fd fd(open(DEVINFO_PATH, O_RDONLY));
-    android::base::ReadFully(fd, &devinfo, sizeof devinfo);
-
-    if (devinfo.magic != DEVINFO_MAGIC) {
-        return is_devinfo_valid;
-    }
-
-    uint32_t version = ((uint32_t)devinfo.ver_major << 16) | devinfo.ver_minor;
-    // only version 3.3+ supports A/B data
-    if (version >= 0x0003'0003) {
-        is_devinfo_valid = true;
-    }
-
-    return is_devinfo_valid;
-}
-
-static bool DevInfoSync() {
-    if (!isDevInfoValid()) {
-        return false;
-    }
-
-    android::base::unique_fd fd(open(DEVINFO_PATH, O_WRONLY | O_DSYNC));
-    return android::base::WriteFully(fd, &devinfo, sizeof devinfo);
-}
-
-static void DevInfoInitSlot(devinfo_ab_slot_data_t &slot_data) {
-    slot_data.retry_count = AB_ATTR_MAX_RETRY_COUNT;
-    slot_data.unbootable = 0;
-    slot_data.successful = 0;
-    slot_data.active = 1;
-    slot_data.fastboot_ok = 0;
-}
-
-}  // namespace
-
-// Methods from ::android::hardware::boot::V1_0::IBootControl follow.
-Return<uint32_t> BootControl::getNumberSlots() {
-    uint32_t slots = 0;
-
-    if (access(BOOT_A_PATH, F_OK) == 0)
-        slots++;
-
-    if (access(BOOT_B_PATH, F_OK) == 0)
-        slots++;
-
-    return slots;
-}
-
-Return<uint32_t> BootControl::getCurrentSlot() {
-    char suffix[PROPERTY_VALUE_MAX];
-    property_get("ro.boot.slot_suffix", suffix, "_a");
-    return std::string(suffix) == "_b" ? 1 : 0;
-}
-
-Return<void> BootControl::markBootSuccessful(markBootSuccessful_cb _hidl_cb) {
-    if (getNumberSlots() == 0) {
-        // no slots, just return true otherwise Android keeps trying
-        _hidl_cb({true, ""});
-        return Void();
-    }
-
-    bool ret;
-    if (isDevInfoValid()) {
-        auto const slot = getCurrentSlot();
-        devinfo.ab_data.slots[slot].successful = 1;
-        ret = DevInfoSync();
-    } else {
-        ret = setSlotFlag(getCurrentSlot(), AB_ATTR_SUCCESSFUL);
-    }
-
-    !ret ? _hidl_cb({false, "Failed to set successful flag"}) : _hidl_cb({true, ""});
-    return Void();
-}
-
-Return<void> BootControl::setActiveBootSlot(uint32_t slot, setActiveBootSlot_cb _hidl_cb) {
-    if (slot >= 2) {
-        _hidl_cb({false, "Invalid slot"});
-        return Void();
-    }
-
-    if (isDevInfoValid()) {
-        auto &active_slot_data = devinfo.ab_data.slots[slot];
-        auto &inactive_slot_data = devinfo.ab_data.slots[!slot];
-
-        inactive_slot_data.active = 0;
-        DevInfoInitSlot(active_slot_data);
-
-        if (!DevInfoSync()) {
-            _hidl_cb({false, "Could not update DevInfo data"});
-            return Void();
-        }
-    } else {
-        std::string dev_path = getDevPath(slot);
-        if (dev_path.empty()) {
-            _hidl_cb({false, "Could not get device path for slot"});
-            return Void();
-        }
-
-        GptUtils gpt(dev_path);
-        if (gpt.Load()) {
-            _hidl_cb({false, "failed to load gpt data"});
-            return Void();
-        }
-
-        gpt_entry *active_entry = gpt.GetPartitionEntry(slot == 0 ? "boot_a" : "boot_b");
-        gpt_entry *inactive_entry = gpt.GetPartitionEntry(slot == 0 ? "boot_b" : "boot_a");
-        if (active_entry == nullptr || inactive_entry == nullptr) {
-            _hidl_cb({false, "failed to get entries for boot partitions"});
-            return Void();
-        }
-
-        ALOGV("slot active attributes %lx\n", active_entry->attr);
-        ALOGV("slot inactive attributes %lx\n", inactive_entry->attr);
-
-        // update attributes for active and inactive
-        inactive_entry->attr &= ~AB_ATTR_ACTIVE;
-        active_entry->attr = AB_ATTR_ACTIVE | (AB_ATTR_MAX_PRIORITY << AB_ATTR_PRIORITY_SHIFT) |
-                             (AB_ATTR_MAX_RETRY_COUNT << AB_ATTR_RETRY_COUNT_SHIFT);
-    }
-
-    char boot_dev[PROPERTY_VALUE_MAX];
-    property_get("ro.boot.bootdevice", boot_dev, "");
-    if (boot_dev[0] == '\0') {
-        _hidl_cb({false, "invalid ro.boot.bootdevice prop"});
-        return Void();
-    }
-
-    std::string boot_lun_path =
-            std::string("/sys/devices/platform/") + boot_dev + "/pixel/boot_lun_enabled";
-    int fd = open(boot_lun_path.c_str(), O_RDWR | O_DSYNC);
-    if (fd < 0) {
-        // Try old path for kernels < 5.4
-        // TODO: remove once kernel 4.19 support is deprecated
-        std::string boot_lun_path =
-                std::string("/sys/devices/platform/") + boot_dev + "/attributes/boot_lun_enabled";
-        fd = open(boot_lun_path.c_str(), O_RDWR | O_DSYNC);
-        if (fd < 0) {
-            _hidl_cb({false, "failed to open ufs attr boot_lun_enabled"});
-            return Void();
-        }
-    }
-
-    //
-    // bBootLunEn
-    // 0x1  => Boot LU A = enabled, Boot LU B = disable
-    // 0x2  => Boot LU A = disable, Boot LU B = enabled
-    //
-    int ret = android::base::WriteStringToFd(slot == 0 ? "1" : "2", fd);
-    close(fd);
-    if (ret < 0) {
-        _hidl_cb({false, "faied to write boot_lun_enabled attribute"});
-        return Void();
-    }
-
-    _hidl_cb({true, ""});
-    return Void();
-}
-
-Return<void> BootControl::setSlotAsUnbootable(uint32_t slot, setSlotAsUnbootable_cb _hidl_cb) {
-    if (slot >= 2) {
-        _hidl_cb({false, "Invalid slot"});
-        return Void();
-    }
-
-    if (isDevInfoValid()) {
-        auto &slot_data = devinfo.ab_data.slots[slot];
-        slot_data.unbootable = 1;
-        if (!DevInfoSync()) {
-            _hidl_cb({false, "Could not update DevInfo data"});
-            return Void();
-        }
-    } else {
-        std::string dev_path = getDevPath(slot);
-        if (dev_path.empty()) {
-            _hidl_cb({false, "Could not get device path for slot"});
-            return Void();
-        }
-
-        GptUtils gpt(dev_path);
-        gpt.Load();
-
-        gpt_entry *e = gpt.GetPartitionEntry(slot ? "boot_b" : "boot_a");
-        e->attr |= AB_ATTR_UNBOOTABLE;
-
-        gpt.Sync();
-    }
-
-    _hidl_cb({true, ""});
-    return Void();
-}
-
-Return<::android::hardware::boot::V1_0::BoolResult> BootControl::isSlotBootable(uint32_t slot) {
-    if (getNumberSlots() == 0)
-        return BoolResult::FALSE;
-    if (slot >= getNumberSlots())
-        return BoolResult::INVALID_SLOT;
-
-    bool unbootable;
-    if (isDevInfoValid()) {
-        auto &slot_data = devinfo.ab_data.slots[slot];
-        unbootable = !!slot_data.unbootable;
-    } else {
-        unbootable = isSlotFlagSet(slot, AB_ATTR_UNBOOTABLE);
-    }
-
-    return unbootable ? BoolResult::FALSE : BoolResult::TRUE;
-}
-
-Return<::android::hardware::boot::V1_0::BoolResult> BootControl::isSlotMarkedSuccessful(
-        uint32_t slot) {
-    if (getNumberSlots() == 0) {
-        // just return true so that we don't we another call trying to mark it as successful
-        // when there is no slots
-        return BoolResult::TRUE;
-    }
-    if (slot >= getNumberSlots())
-        return BoolResult::INVALID_SLOT;
-
-    bool successful;
-    if (isDevInfoValid()) {
-        auto &slot_data = devinfo.ab_data.slots[slot];
-        successful = !!slot_data.successful;
-    } else {
-        successful = isSlotFlagSet(slot, AB_ATTR_SUCCESSFUL);
-    }
-
-    return successful ? BoolResult::TRUE : BoolResult::FALSE;
-}
-
-Return<void> BootControl::getSuffix(uint32_t slot, getSuffix_cb _hidl_cb) {
-    _hidl_cb(slot == 0 ? "_a" : slot == 1 ? "_b" : "");
-    return Void();
-}
-
-// Methods from ::android::hardware::boot::V1_1::IBootControl follow.
-bool BootControl::Init() {
-    return InitMiscVirtualAbMessageIfNeeded();
-}
-
-Return<bool> BootControl::setSnapshotMergeStatus(
-        ::android::hardware::boot::V1_1::MergeStatus status) {
-    return SetMiscVirtualAbMergeStatus(getCurrentSlot(), status);
-}
-
-Return<::android::hardware::boot::V1_1::MergeStatus> BootControl::getSnapshotMergeStatus() {
-    MergeStatus status;
-    if (!GetMiscVirtualAbMergeStatus(getCurrentSlot(), &status)) {
-        return MergeStatus::UNKNOWN;
-    }
-    return status;
-}
-
-// Methods from ::android::hardware::boot::V1_2::IBootControl follow.
-Return<uint32_t> BootControl::getActiveBootSlot() {
-    if (getNumberSlots() == 0)
-        return 0;
-
-    if (isDevInfoValid())
-        return devinfo.ab_data.slots[1].active ? 1 : 0;
-    return isSlotFlagSet(1, AB_ATTR_ACTIVE) ? 1 : 0;
-}
-
-// Methods from ::android::hidl::base::V1_0::IBase follow.
-
-IBootControl *HIDL_FETCH_IBootControl(const char * /* name */) {
-    auto module = new BootControl();
-
-    module->Init();
-
-    return module;
-}
-
-}  // namespace implementation
-}  // namespace V1_2
-}  // namespace boot
-}  // namespace hardware
-}  // namespace android
diff --git a/interfaces/boot/1.2/BootControl.h b/interfaces/boot/1.2/BootControl.h
deleted file mode 100644
index 17b5f0f..0000000
--- a/interfaces/boot/1.2/BootControl.h
+++ /dev/null
@@ -1,69 +0,0 @@
-/*
- * 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.
- */
-
-#pragma once
-
-#include <android/hardware/boot/1.2/IBootControl.h>
-#include <hidl/MQDescriptor.h>
-#include <hidl/Status.h>
-
-namespace android {
-namespace hardware {
-namespace boot {
-namespace V1_2 {
-namespace implementation {
-
-using ::android::sp;
-using ::android::hardware::hidl_array;
-using ::android::hardware::hidl_memory;
-using ::android::hardware::hidl_string;
-using ::android::hardware::hidl_vec;
-using ::android::hardware::Return;
-using ::android::hardware::Void;
-
-struct BootControl : public IBootControl {
-    bool Init();
-
-    // Methods from ::android::hardware::boot::V1_0::IBootControl follow.
-    Return<uint32_t> getNumberSlots() override;
-    Return<uint32_t> getCurrentSlot() override;
-    Return<void> markBootSuccessful(markBootSuccessful_cb _hidl_cb) override;
-    Return<void> setActiveBootSlot(uint32_t slot, setActiveBootSlot_cb _hidl_cb) override;
-    Return<void> setSlotAsUnbootable(uint32_t slot, setSlotAsUnbootable_cb _hidl_cb) override;
-    Return<::android::hardware::boot::V1_0::BoolResult> isSlotBootable(uint32_t slot) override;
-    Return<::android::hardware::boot::V1_0::BoolResult> isSlotMarkedSuccessful(
-            uint32_t slot) override;
-    Return<void> getSuffix(uint32_t slot, getSuffix_cb _hidl_cb) override;
-
-    // Methods from ::android::hardware::boot::V1_1::IBootControl follow.
-    Return<bool> setSnapshotMergeStatus(
-            ::android::hardware::boot::V1_1::MergeStatus status) override;
-    Return<::android::hardware::boot::V1_1::MergeStatus> getSnapshotMergeStatus() override;
-
-    // Methods from ::android::hardware::boot::V1_2::IBootControl follow.
-    Return<uint32_t> getActiveBootSlot() override;
-
-    // Methods from ::android::hidl::base::V1_0::IBase follow.
-};
-
-// FIXME: most likely delete, this is only for passthrough implementations
-extern "C" IBootControl *HIDL_FETCH_IBootControl(const char *name);
-
-}  // namespace implementation
-}  // namespace V1_2
-}  // namespace boot
-}  // namespace hardware
-}  // namespace android
diff --git a/interfaces/boot/1.2/DevInfo.h b/interfaces/boot/1.2/DevInfo.h
deleted file mode 100644
index a09a83a..0000000
--- a/interfaces/boot/1.2/DevInfo.h
+++ /dev/null
@@ -1,61 +0,0 @@
-/*
- * Copyright (C) 2021 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
-
-namespace android {
-namespace hardware {
-namespace boot {
-namespace V1_2 {
-namespace implementation {
-
-//
-// definitions taken from ABL code
-//
-
-constexpr uint32_t DEVINFO_MAGIC = 0x49564544;
-constexpr size_t DEVINFO_AB_SLOT_COUNT = 2;
-
-struct devinfo_ab_slot_data_t {
-    uint8_t retry_count;
-    uint8_t unbootable : 1;
-    uint8_t successful : 1;
-    uint8_t active : 1;
-    uint8_t fastboot_ok : 1;
-    uint8_t : 4;
-    uint8_t unused[2];
-} __attribute__((packed));
-
-typedef struct {
-    devinfo_ab_slot_data_t slots[DEVINFO_AB_SLOT_COUNT];
-} __attribute__((packed)) devinfo_ab_data_t;
-
-struct devinfo_t {
-    uint32_t magic;
-    uint16_t ver_major;
-    uint16_t ver_minor;
-    uint8_t unused[40];
-    devinfo_ab_data_t ab_data;
-    uint8_t unused1[72];  // use remaining up to complete 128 bytes
-} __attribute__((packed));
-
-static_assert(sizeof(devinfo_t) == 128, "invalid devinfo struct size");
-
-}  // namespace implementation
-}  // namespace V1_2
-}  // namespace boot
-}  // namespace hardware
-}  // namespace android
diff --git a/interfaces/boot/1.2/GptUtils.cpp b/interfaces/boot/1.2/GptUtils.cpp
deleted file mode 100644
index 25088e7..0000000
--- a/interfaces/boot/1.2/GptUtils.cpp
+++ /dev/null
@@ -1,193 +0,0 @@
-/*
- * 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.
- */
-
-#define LOG_TAG "bootcontrolhal"
-
-#include "GptUtils.h"
-
-#include <android-base/file.h>
-#include <errno.h>
-#include <linux/fs.h>
-#include <log/log.h>
-#include <zlib.h>
-
-namespace android {
-namespace hardware {
-namespace boot {
-namespace V1_2 {
-namespace implementation {
-
-namespace {
-
-static int ValidateGptHeader(gpt_header *gpt) {
-    if (gpt->signature != GPT_SIGNATURE) {
-        ALOGE("invalid gpt signature 0x%lx\n", gpt->signature);
-        return -1;
-    }
-
-    if (gpt->header_size != sizeof(gpt_header)) {
-        ALOGE("invalid gpt header size %u\n", gpt->header_size);
-        return -1;
-    }
-
-    if (gpt->entry_size != sizeof(gpt_entry)) {
-        ALOGE("invalid gpt entry size %u\n", gpt->entry_size);
-        return -1;
-    }
-
-    return 0;
-}
-
-}  // namespace
-
-GptUtils::GptUtils(const std::string dev_path) : dev_path(dev_path), fd(0) {}
-
-int GptUtils::Load(void) {
-    fd = open(dev_path.c_str(), O_RDWR);
-    if (fd < 0) {
-        ALOGE("failed to open block dev %s, %d\n", dev_path.c_str(), errno);
-        return -1;
-    }
-
-    int ret = ioctl(fd, BLKSSZGET, &block_size);
-    if (ret < 0) {
-        ALOGE("failed to get block size %d\n", errno);
-        return -1;
-    }
-
-    // read primary header
-    lseek64(fd, block_size, SEEK_SET);
-    ret = read(fd, &gpt_primary, sizeof gpt_primary);
-    if (ret < 0) {
-        ALOGE("failed to read gpt primary header %d\n", errno);
-        return -1;
-    }
-
-    if (ValidateGptHeader(&gpt_primary)) {
-        ALOGE("error validating gpt header\n");
-        return -1;
-    }
-
-    // read partition entries
-    entry_array.resize(gpt_primary.entry_count);
-    uint32_t entries_size = gpt_primary.entry_size * gpt_primary.entry_count;
-    lseek64(fd, block_size * gpt_primary.start_lba, SEEK_SET);
-    ret = read(fd, entry_array.data(), entries_size);
-    if (ret < 0) {
-        ALOGE("failed to read gpt partition entries %d\n", errno);
-        return -1;
-    }
-
-    // read gpt back header
-    lseek64(fd, block_size * gpt_primary.backup_lba, SEEK_SET);
-    ret = read(fd, &gpt_backup, sizeof gpt_backup);
-    if (ret < 0) {
-        ALOGE("failed to read gpt backup header %d\n", errno);
-        return -1;
-    }
-
-    if (ValidateGptHeader(&gpt_backup)) {
-        ALOGW("error validating gpt backup\n");  // just warn about it, not fail
-    }
-
-    // Create map <partition name, gpt_entry pointer>
-    auto get_name = [](const uint16_t *efi_name) {
-        char name[37] = {};
-        for (int i = 0; efi_name[i] && i < sizeof name - 1; ++i) name[i] = efi_name[i];
-        return std::string(name);
-    };
-
-    for (auto const &e : entry_array) {
-        if (e.name[0] == 0)
-            break;  // stop at the first partition with no name
-        std::string s = get_name(e.name);
-        entries[s] = const_cast<gpt_entry *>(&e);
-    }
-
-    return 0;
-}
-
-gpt_entry *GptUtils::GetPartitionEntry(std::string name) {
-    return entries.find(name) != entries.end() ? entries[name] : nullptr;
-}
-
-int GptUtils::Sync(void) {
-    if (!fd)
-        return -1;
-
-    // calculate crc and check if we need to update gpt
-    gpt_primary.entries_crc32 = crc32(0, reinterpret_cast<uint8_t *>(entry_array.data()),
-                                      entry_array.size() * sizeof(gpt_entry));
-
-    // save old crc
-    uint32_t crc = gpt_primary.crc32;
-    gpt_primary.crc32 = 0;
-
-    gpt_primary.crc32 = crc32(0, reinterpret_cast<uint8_t *>(&gpt_primary), sizeof gpt_primary);
-    if (crc == gpt_primary.crc32)
-        return 0;  // nothing to do (no changes)
-
-    ALOGI("updating GPT\n");
-
-    lseek64(fd, block_size * gpt_primary.current_lba, SEEK_SET);
-    int ret = write(fd, &gpt_primary, sizeof gpt_primary);
-    if (ret < 0) {
-        ALOGE("failed to write gpt primary header %d\n", errno);
-        return -1;
-    }
-
-    lseek64(fd, block_size * gpt_primary.start_lba, SEEK_SET);
-    ret = write(fd, entry_array.data(), entry_array.size() * sizeof(gpt_entry));
-    if (ret < 0) {
-        ALOGE("failed to write gpt partition entries %d\n", errno);
-        return -1;
-    }
-
-    // update GPT backup entries and backup
-    lseek64(fd, block_size * gpt_backup.start_lba, SEEK_SET);
-    ret = write(fd, entry_array.data(), entry_array.size() * sizeof(gpt_entry));
-    if (ret < 0) {
-        ALOGE("failed to write gpt backup partition entries %d\n", errno);
-        return -1;
-    }
-
-    gpt_backup.entries_crc32 = gpt_primary.entries_crc32;
-    gpt_backup.crc32 = 0;
-    gpt_backup.crc32 = crc32(0, reinterpret_cast<uint8_t *>(&gpt_backup), sizeof gpt_backup);
-    lseek64(fd, block_size * gpt_primary.backup_lba, SEEK_SET);
-    ret = write(fd, &gpt_backup, sizeof gpt_backup);
-    if (ret < 0) {
-        ALOGE("failed to write gpt backup header %d\n", errno);
-        return -1;
-    }
-
-    fsync(fd);
-
-    return 0;
-}
-
-GptUtils::~GptUtils() {
-    if (fd) {
-        Sync();
-        close(fd);
-    }
-}
-
-}  // namespace implementation
-}  // namespace V1_2
-}  // namespace boot
-}  // namespace hardware
-}  // namespace android
diff --git a/interfaces/boot/1.2/GptUtils.h b/interfaces/boot/1.2/GptUtils.h
deleted file mode 100644
index a2bed33..0000000
--- a/interfaces/boot/1.2/GptUtils.h
+++ /dev/null
@@ -1,79 +0,0 @@
-/*
- * 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.
- */
-
-#pragma once
-
-#include <map>
-#include <string>
-#include <vector>
-
-namespace android {
-namespace hardware {
-namespace boot {
-namespace V1_2 {
-namespace implementation {
-
-#define GPT_SIGNATURE 0x5452415020494645UL
-
-typedef struct {
-    uint8_t type_guid[16];
-    uint8_t guid[16];
-    uint64_t first_lba;
-    uint64_t last_lba;
-    uint64_t attr;
-    uint16_t name[36];
-} __attribute__((packed)) gpt_entry;
-
-typedef struct {
-    uint64_t signature;
-    uint32_t revision;
-    uint32_t header_size;
-    uint32_t crc32;
-    uint32_t reserved;
-    uint64_t current_lba;
-    uint64_t backup_lba;
-    uint64_t first_usable_lba;
-    uint64_t last_usable_lba;
-    uint8_t disk_guid[16];
-    uint64_t start_lba;
-    uint32_t entry_count;
-    uint32_t entry_size;
-    uint32_t entries_crc32;
-} __attribute__((packed)) gpt_header;
-
-class GptUtils {
-  public:
-    GptUtils(const std::string dev_path);
-    int Load(void);
-    gpt_entry *GetPartitionEntry(std::string name);
-    int Sync(void);
-    ~GptUtils();
-
-  private:
-    std::string dev_path;
-    int fd;
-    uint32_t block_size;
-    gpt_header gpt_primary;
-    gpt_header gpt_backup;
-    std::vector<gpt_entry> entry_array;
-    std::map<std::string, gpt_entry *> entries;
-};
-
-}  // namespace implementation
-}  // namespace V1_2
-}  // namespace boot
-}  // namespace hardware
-}  // namespace android
diff --git a/interfaces/boot/1.2/android.hardware.boot@1.2-service-gs201.rc b/interfaces/boot/1.2/android.hardware.boot@1.2-service-gs201.rc
deleted file mode 100644
index 3457b5f..0000000
--- a/interfaces/boot/1.2/android.hardware.boot@1.2-service-gs201.rc
+++ /dev/null
@@ -1,7 +0,0 @@
-service vendor.boot-hal-1-2 /vendor/bin/hw/android.hardware.boot@1.2-service-gs201
-    interface android.hardware.boot@1.0::IBootControl default
-    interface android.hardware.boot@1.1::IBootControl default
-    interface android.hardware.boot@1.2::IBootControl default
-    class early_hal
-    user root
-    group root
diff --git a/interfaces/boot/1.2/service.cpp b/interfaces/boot/1.2/service.cpp
deleted file mode 100644
index f07682e..0000000
--- a/interfaces/boot/1.2/service.cpp
+++ /dev/null
@@ -1,50 +0,0 @@
-/*
- * 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.
- */
-
-#define LOG_TAG "android.hardware.boot@1.2-service"
-
-#include <android/hardware/boot/1.2/IBootControl.h>
-#include <hidl/HidlTransportSupport.h>
-#include <hidl/Status.h>
-#include <log/log.h>
-
-#include "BootControl.h"
-
-using ::android::status_t;
-
-using ::android::hardware::boot::V1_2::IBootControl;
-
-using ::android::hardware::boot::V1_2::implementation::BootControl;
-// using ::android::hardware::boot::implementation::BootControl;
-
-int main(int /* argc */, char * /* argv */[]) {
-    // This function must be called before you join to ensure the proper
-    // number of threads are created. The threadpool will never exceed
-    // size one because of this call.
-    ::android::hardware::configureRpcThreadpool(1 /*threads*/, true /*willJoin*/);
-
-    ::android::sp bootctrl = new BootControl();
-    const status_t status = bootctrl->registerAsService();
-    if (status != ::android::OK) {
-        return 1;  // or handle error
-    }
-
-    // Adds this thread to the threadpool, resulting in one total
-    // thread in the threadpool. We could also do other things, but
-    // would have to specify 'false' to willJoin in configureRpcThreadpool.
-    ::android::hardware::joinRpcThreadpool();
-    return 1;  // joinRpcThreadpool should never return
-}