snapshot metadata files are stored in /metadata. This means, we cannot wipe after installing any update. This patch does the following: 1: Create a scratch space in super partition. The scratch space for ota metadata is just about 1MB. 2: Create ext4 filesystem on top of scratch block device. 3: Mount the scratch on /mnt/scratch_super 4: When snapshot-manager instance is created, point the /mnt/scratch/ota to metadata_dir_ so that all the snapshot files are stored in the new path. All the logic of OTA remains the same. This flow is enabled only on userdebug builds for now and the only consumer would be snapshotctl $snapshotctl apply-update /data/nbd/ -w During init, we would have to mount the scratch partition to detect if there is any pending updates. With this, we would now be able to wipe the device along with the update flow. This will help incremental flashing wherein we would end up saving ~35-40 seconds on Pixel devices. With this flow, the end-to-end update for incremental builds takes ~20-30 seconds. Bug: 330744468 Test: Pixel 6 incremental flashing with wipe, Full OTA, vts_libsnapshot Change-Id: Iac6ce2cf37b70ea221cd18175c8962988d03d95b Signed-off-by: Akilesh Kailash <akailash@google.com>
458 lines
10 KiB
Text
458 lines
10 KiB
Text
// Copyright (C) 2018 The Android Open Source Project
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// This is required because no Android.bp can include a library defined in an
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// Android.mk. Eventually should kill libfastboot (defined in Android.mk)
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package {
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default_applicable_licenses: [
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"system_core_fastboot_license",
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"Android-Apache-2.0",
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],
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}
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// Added automatically by a large-scale-change that took the approach of
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// 'apply every license found to every target'. While this makes sure we respect
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// every license restriction, it may not be entirely correct.
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//
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// e.g. GPL in an MIT project might only apply to the contrib/ directory.
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//
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// Please consider splitting the single license below into multiple licenses,
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// taking care not to lose any license_kind information, and overriding the
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// default license using the 'licenses: [...]' property on targets as needed.
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//
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// For unused files, consider creating a 'fileGroup' with "//visibility:private"
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// to attach the license to, and including a comment whether the files may be
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// used in the current project.
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// See: http://go/android-license-faq
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license {
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name: "system_core_fastboot_license",
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visibility: [":__subpackages__"],
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license_kinds: [
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"SPDX-license-identifier-BSD",
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],
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license_text: ["LICENSE"],
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}
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cc_library_host_static {
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name: "libfastboot2",
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//host_supported: true,
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compile_multilib: "first",
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srcs: [
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"bootimg_utils.cpp",
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"fs.cpp",
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"socket.cpp",
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"tcp.cpp",
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"udp.cpp",
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"util.cpp",
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"vendor_boot_img_utils.cpp",
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"fastboot_driver.cpp",
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],
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static_libs: [
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"libziparchive",
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"libsparse",
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"libutils",
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"liblog",
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"libz",
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"libdiagnose_usb",
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"libbase",
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"libcutils",
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"libgtest",
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"libgtest_main",
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"libbase",
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"libadb_host",
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"liblp",
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],
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header_libs: [
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"avb_headers",
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"bootimg_headers",
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"libstorage_literals_headers",
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],
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export_header_lib_headers: [
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"bootimg_headers",
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],
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target: {
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linux: {
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srcs: ["usb_linux.cpp"],
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},
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darwin: {
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srcs: ["usb_osx.cpp"],
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host_ldlibs: [
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"-framework CoreFoundation",
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"-framework IOKit",
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],
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},
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windows: {
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srcs: ["usb_windows.cpp"],
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host_ldlibs: [
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"-lws2_32",
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],
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},
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},
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cflags: [
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"-Wall",
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"-Wextra",
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"-Werror",
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"-Wunreachable-code",
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],
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export_include_dirs: ["."],
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}
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cc_defaults {
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name: "fastboot_defaults",
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cflags: [
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"-Wall",
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"-Wextra",
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"-Werror",
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"-Wvla",
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"-DANDROID_BASE_UNIQUE_FD_DISABLE_IMPLICIT_CONVERSION",
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"-Wthread-safety",
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],
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rtti: true,
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}
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cc_binary {
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name: "fastbootd",
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defaults: ["fastboot_defaults"],
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recovery: true,
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product_variables: {
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debuggable: {
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cppflags: ["-DFB_ENABLE_FETCH"],
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},
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},
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srcs: [
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"device/commands.cpp",
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"device/fastboot_device.cpp",
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"device/flashing.cpp",
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"device/main.cpp",
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"device/usb.cpp",
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"device/usb_iouring.cpp",
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"device/usb_client.cpp",
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"device/tcp_client.cpp",
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"device/utility.cpp",
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"device/variables.cpp",
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"socket.cpp",
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],
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shared_libs: [
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"android.hardware.boot@1.0",
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"android.hardware.boot@1.1",
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"android.hardware.boot-V1-ndk",
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"libboot_control_client",
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"android.hardware.fastboot@1.1",
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"android.hardware.fastboot-V1-ndk",
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"android.hardware.health@2.0",
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"android.hardware.health-V3-ndk",
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"libasyncio",
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"libbase",
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"libbinder_ndk",
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"libbootloader_message",
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"libcutils",
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"libext2_uuid",
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"libext4_utils",
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"libfs_mgr",
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"libgsi",
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"libhidlbase",
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"liblog",
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"liblp",
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"libprotobuf-cpp-lite",
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"libsparse",
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"libutils",
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"libselinux",
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],
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static_libs: [
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"android.hardware.health-translate-ndk",
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"libhealthhalutils",
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"libhealthshim",
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"libfastbootshim",
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"libsnapshot_cow",
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"liblz4",
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"libzstd",
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"libsnapshot_nobinder",
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"update_metadata-protos",
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"liburing",
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],
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include_dirs: ["bionic/libc/kernel"],
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header_libs: [
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"avb_headers",
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"libgtest_prod_headers",
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"libsnapshot_headers",
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"libstorage_literals_headers",
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],
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}
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cc_defaults {
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name: "fastboot_host_defaults",
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use_version_lib: true,
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cflags: [
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"-Wall",
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"-Wextra",
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"-Werror",
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"-Wunreachable-code",
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"-DANDROID_BASE_UNIQUE_FD_DISABLE_IMPLICIT_CONVERSION",
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"-D_FILE_OFFSET_BITS=64",
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],
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target: {
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darwin: {
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cflags: ["-Wno-unused-parameter"],
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host_ldlibs: [
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"-lpthread",
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"-framework CoreFoundation",
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"-framework IOKit",
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],
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},
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windows: {
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enabled: true,
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host_ldlibs: ["-lws2_32"],
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},
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not_windows: {
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static_libs: [
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"libext4_utils",
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],
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},
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},
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stl: "libc++_static",
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// Don't add anything here, we don't want additional shared dependencies
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// on the host fastboot tool, and shared libraries that link against libc++
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// will violate ODR.
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shared_libs: [],
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header_libs: [
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"avb_headers",
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"bootimg_headers",
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],
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static_libs: [
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"libziparchive",
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"libsparse",
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"libutils",
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"liblog",
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"liblz4",
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"libz",
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"libdiagnose_usb",
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"libbase",
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"libcutils",
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"libgtest_host",
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"liblp",
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"libcrypto",
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],
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}
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//
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// Build host libfastboot.
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//
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cc_library_host_static {
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name: "libfastboot",
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defaults: ["fastboot_host_defaults"],
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srcs: [
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"bootimg_utils.cpp",
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"fastboot_driver.cpp",
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"fastboot.cpp",
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"filesystem.cpp",
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"fs.cpp",
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"socket.cpp",
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"storage.cpp",
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"super_flash_helper.cpp",
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"tcp.cpp",
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"udp.cpp",
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"util.cpp",
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"vendor_boot_img_utils.cpp",
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"task.cpp",
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],
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// Only version the final binaries
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use_version_lib: false,
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static_libs: ["libbuildversion"],
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header_libs: [
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"avb_headers",
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"libstorage_literals_headers",
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],
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generated_headers: ["platform_tools_version"],
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tidy_flags: [
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// DO NOT add quotes around header-filter flag regex argument,
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// because build/soong will add quotes around the whole flag.
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"-header-filter=(system/core/fastboot/|development/host/windows/usb/api/)",
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],
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target: {
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windows: {
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srcs: ["usb_windows.cpp"],
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include_dirs: ["development/host/windows/usb/api"],
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},
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darwin: {
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srcs: ["usb_osx.cpp"],
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},
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linux: {
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srcs: ["usb_linux.cpp"],
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},
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},
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}
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//
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// Build host fastboot / fastboot.exe
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//
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cc_binary_host {
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name: "fastboot",
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defaults: ["fastboot_host_defaults"],
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srcs: ["main.cpp"],
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static_libs: ["libfastboot"],
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required: [
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"mke2fs",
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"make_f2fs",
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"make_f2fs_casefold",
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],
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dist: {
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targets: [
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"dist_files",
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"sdk",
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"sdk-repo-platform-tools",
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"sdk_repo",
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"win_sdk",
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],
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},
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target: {
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not_windows: {
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required: [
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"mke2fs.conf",
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],
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},
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windows: {
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required: ["AdbWinUsbApi"],
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shared_libs: ["AdbWinApi"],
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},
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},
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}
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//
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// Build host fastboot_test.
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//
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cc_test_host {
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name: "fastboot_test",
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defaults: ["fastboot_host_defaults"],
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srcs: [
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"fastboot_driver_test.cpp",
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"fastboot_test.cpp",
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"socket_mock.cpp",
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"socket_test.cpp",
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"super_flash_helper_test.cpp",
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"task_test.cpp",
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"tcp_test.cpp",
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"udp_test.cpp",
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],
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static_libs: [
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"libfastboot",
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"libgmock",
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],
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target: {
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windows: {
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shared_libs: ["AdbWinApi"],
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},
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windows_x86_64: {
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// Avoid trying to build for win64
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enabled: false,
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},
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},
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test_suites: ["general-tests"],
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data: [
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"testdata/super.img",
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"testdata/super_empty.img",
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"testdata/system.img",
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],
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}
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cc_test_host {
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name: "fastboot_vendor_boot_img_utils_test",
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srcs: ["vendor_boot_img_utils_test.cpp"],
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static_libs: [
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"libbase",
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"libfastboot",
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"libgmock",
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"liblog",
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],
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header_libs: [
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"avb_headers",
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"bootimg_headers",
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],
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cflags: [
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"-Wall",
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"-Werror",
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],
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data: [
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":fastboot_test_dtb",
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":fastboot_test_bootconfig",
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":fastboot_test_vendor_ramdisk_none",
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":fastboot_test_vendor_ramdisk_platform",
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":fastboot_test_vendor_ramdisk_replace",
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":fastboot_test_vendor_boot_v3",
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":fastboot_test_vendor_boot_v4_without_frag",
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":fastboot_test_vendor_boot_v4_with_frag",
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],
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}
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cc_library_headers {
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name: "fastboot_headers",
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host_supported: true,
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export_include_dirs: ["."],
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}
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python_test_host {
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name: "fastboot_integration_test",
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main: "test_fastboot.py",
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srcs: ["test_fastboot.py"],
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data: [":fastboot"],
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test_config: "fastboot_integration_test.xml",
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test_options: {
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unit_test: false,
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},
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}
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