diff --git a/target/product/virtual_ab_ota/android_t_baseline.mk b/target/product/virtual_ab_ota/android_t_baseline.mk new file mode 100644 index 0000000000..f2639b4bd8 --- /dev/null +++ b/target/product/virtual_ab_ota/android_t_baseline.mk @@ -0,0 +1,41 @@ +# +# Copyright (C) 2022 The Android Open-Source Project +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +# This file enables baseline features, such as io_uring, +# userspace merge, etc. But sets compression method to none. +# This .mk file also removes snapuserd from vendor ramdisk, +# as T launching devices will have init_boot which has snapuserd +# in generic ramdisk. +# T launching devices should include this .mk file, and configure +# compression algorithm by setting +# PRODUCT_VIRTUAL_AB_COMPRESSION_METHOD to gz or brotli. Complete +# set of supported algorithms can be found in +# system/core/fs_mgr/libsnapshot/cow_writer.cpp + +PRODUCT_VIRTUAL_AB_OTA := true + +PRODUCT_VENDOR_PROPERTIES += ro.virtual_ab.enabled=true + +PRODUCT_VENDOR_PROPERTIES += ro.virtual_ab.compression.enabled=true +PRODUCT_VENDOR_PROPERTIES += ro.virtual_ab.userspace.snapshots.enabled=true +PRODUCT_VENDOR_PROPERTIES += ro.virtual_ab.io_uring.enabled=true +PRODUCT_VENDOR_PROPERTIES += ro.virtual_ab.compression.xor.enabled=true + +PRODUCT_VIRTUAL_AB_COMPRESSION := true +PRODUCT_VIRTUAL_AB_COMPRESSION_METHOD ?= none +PRODUCT_PACKAGES += \ + snapuserd \ + snapuserd.recovery \ +