16kb: Config fstab for targets that only boot 16kb kernels
The zumapro targets that only boot with 16kb kernels will
have this filesystem setup for data and metadata partitions:
- data partition: f2fs
- metadata partition: ext4
Important: For the HW file encryption to work in the data partition in 16kb kernels the `dusize_4k` parameter has to be set:
```
fileencryption=:aes-256-hctr2:inlinecrypt_optimized+wrappedkey_v0+dusize_4k
```
Bug: 350101696
Test: built pgagnostic target and checked the fs for mounted
partitions.
Flag: EXEMPT bugfix
Change-Id: I566618e6fa1db2ff4463e00e8d091e7226ba0399
This commit is contained in:
Juan Yescas
parent
ac5e8f3b81
commit
a24d3877e1
2 changed files with 170 additions and 0 deletions
164
conf/fs-16kb/Android.bp
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164
conf/fs-16kb/Android.bp
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/*
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* Copyright (C) 2024 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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*/
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// By default this device uses hardware-wrapped keys for storage encryption,
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// which is intended to offer increased security over the traditional method
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// (software keys). However, hardware-wrapped keys aren't compatible with
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// FIPS-140 certification of the encryption hardware, and hence we have to
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// disable the use of them in FIPS mode. This requires having two fstab files:
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// one for the default mode, and one for FIPS mode selectable via
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// androidboot.fstab_suffix on the kernel command line. These fstabs should be
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// identical with the exception of the encryption settings, so to keep them in
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// sync the rules below generate them from a template file.
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soong_namespace {
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imports: [
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"device/google/zumapro",
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],
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}
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package {
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// See: http://go/android-license-faq
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// A large-scale-change added 'default_applicable_licenses' to import
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// all of the 'license_kinds' from "device_google_zumapro_license"
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// to get the below license kinds:
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// SPDX-license-identifier-Apache-2.0
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default_applicable_licenses: ["device_google_zumapro_license"],
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}
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genrule {
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name: "gen_fstab.zuma-hw-encrypt",
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srcs: [
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":fstab.zumapro.common",
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"fstab.rw.zumapro.16kb",
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],
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out: ["fstab.zuma"],
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cmd: "sed -e s/@fileencryption@/fileencryption=:aes-256-hctr2:inlinecrypt_optimized+wrappedkey_v0/" +
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" -e s/@inlinecrypt@/inlinecrypt/ " +
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" -e s/@metadata_encryption@/metadata_encryption=:wrappedkey_v0/ $(in) > $(out)",
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}
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genrule {
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name: "gen_fstab.zumapro-hw-encrypt",
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srcs: [
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":fstab.zumapro.common",
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"fstab.rw.zumapro.16kb",
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],
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out: ["fstab.zumapro"],
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cmd: "sed -e s/@fileencryption@/fileencryption=:aes-256-hctr2:inlinecrypt_optimized+wrappedkey_v0+dusize_4k/" +
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" -e s/@inlinecrypt@/inlinecrypt/ " +
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" -e s/@metadata_encryption@/metadata_encryption=:wrappedkey_v0/ $(in) > $(out)",
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}
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genrule {
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name: "gen_fstab.zuma-sw-encrypt",
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srcs: [
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":fstab.zumapro.common",
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"fstab.rw.zumapro.16kb",
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],
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out: ["fstab.zuma"],
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cmd: "sed -e s/@fileencryption@/fileencryption=aes-256-xts:aes-256-hctr2/" +
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" -e s/@inlinecrypt@// " +
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" -e s/@metadata_encryption@/metadata_encryption=/ $(in) > $(out)",
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}
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genrule {
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name: "gen_fstab.zumapro-sw-encrypt",
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srcs: [
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":fstab.zumapro.common",
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"fstab.rw.zumapro.16kb",
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],
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out: ["fstab.zumapro"],
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cmd: "sed -e s/@fileencryption@/fileencryption=aes-256-xts:aes-256-hctr2/" +
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" -e s/@inlinecrypt@// " +
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" -e s/@metadata_encryption@/metadata_encryption=/ $(in) > $(out)",
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}
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genrule {
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name: "gen_fstab.zuma-no-encrypt",
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srcs: [
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":fstab.zumapro.common",
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"fstab.rw.zumapro.16kb",
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],
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out: ["fstab.zuma"],
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cmd: "sed -e s/@fileencryption@//" +
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" -e s/@inlinecrypt@// " +
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" -e s/@metadata_encryption@// $(in) > $(out)",
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}
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genrule {
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name: "gen_fstab.zumapro-no-encrypt",
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srcs: [
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":fstab.zumapro.common",
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"fstab.rw.zumapro.16kb",
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],
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out: ["fstab.zumapro"],
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cmd: "sed -e s/@fileencryption@//" +
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" -e s/@inlinecrypt@// " +
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" -e s/@metadata_encryption@// $(in) > $(out)",
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}
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genrule {
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name: "gen_fstab.zuma-fips",
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srcs: [
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":fstab.zumapro.common",
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"fstab.rw.zumapro.16kb",
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],
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out: ["fstab.zuma-fips"],
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cmd: "sed -e s/@fileencryption@/fileencryption=aes-256-xts/" +
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" -e s/@inlinecrypt@/inlinecrypt/ " +
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" -e s/@metadata_encryption@/metadata_encryption=aes-256-xts/ $(in) > $(out)",
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}
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genrule {
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name: "gen_fstab.zumapro-fips",
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srcs: [
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":fstab.zumapro.common",
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"fstab.rw.zumapro.16kb",
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],
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out: ["fstab.zumapro-fips"],
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cmd: "sed -e s/@fileencryption@/fileencryption=aes-256-xts/" +
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" -e s/@inlinecrypt@/inlinecrypt/ " +
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" -e s/@metadata_encryption@/metadata_encryption=aes-256-xts/ $(in) > $(out)",
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}
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prebuilt_etc {
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name: "fstab.zuma",
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src: ":gen_fstab.zuma-hw-encrypt",
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vendor: true,
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vendor_ramdisk_available: true,
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}
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prebuilt_etc {
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name: "fstab.zumapro",
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src: ":gen_fstab.zumapro-hw-encrypt",
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vendor: true,
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vendor_ramdisk_available: true,
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}
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prebuilt_etc {
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name: "fstab.zuma-fips",
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src: ":gen_fstab.zuma-fips",
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vendor: true,
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vendor_ramdisk_available: true,
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}
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prebuilt_etc {
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name: "fstab.zumapro-fips",
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src: ":gen_fstab.zumapro-fips",
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vendor: true,
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vendor_ramdisk_available: true,
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}
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6
conf/fs-16kb/fstab.rw.zumapro.16kb
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6
conf/fs-16kb/fstab.rw.zumapro.16kb
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@ -0,0 +1,6 @@
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# Android fstab file for /data and /metadata partitions.
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#
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# This fstab is used for devices that only boot 16kb page size kernels.
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#<src> <mnt_point> <type> <mnt_flags and options> <fs_mgr_flags>
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/dev/block/platform/13200000.ufs/by-name/metadata /metadata ext4 noatime,nosuid,nodev,sync wait,check,formattable,first_stage_mount
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/dev/block/platform/13200000.ufs/by-name/userdata /data f2fs noatime,nosuid,nodev,discard,reserve_root=32768,resgid=1065,fsync_mode=nobarrier,compress_extension=apk,compress_extension=so,compress_extension=vdex,compress_extension=odex,@inlinecrypt@,atgc,checkpoint_merge,compress_cache latemount,wait,check,quota,formattable,sysfs_path=/dev/sys/block/bootdevice,checkpoint=fs,reservedsize=128M,fscompress,readahead_size_kb=128,@fileencryption@,@metadata_encryption@,keydirectory=/metadata/vold/metadata_encryption,device=zoned:/dev/block/by-name/zoned_device
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