drgreen/android_device_google_gs-common
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Merge "Add support for dba hal in common edgetpu packages"

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Victor Barr 2023-01-19 21:52:37 +00:00 committed by Android (Google) Code Review
commit c148039051
6 changed files with 48 additions and 1 deletions
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4
edgetpu/edgetpu.mk
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@ -19,5 +19,9 @@ PRODUCT_PACKAGES += \
# TPU TFlite Delegate
PRODUCT_PACKAGES += \
libedgetpu_util
# TPU DBA AIDL HAL service
PRODUCT_PACKAGES += com.google.edgetpu.dba-service
# TPU DBA C API library
PRODUCT_PACKAGES += libedgetpu_dba.google
BOARD_VENDOR_SEPOLICY_DIRS += device/google/gs-common/edgetpu/sepolicy

38
edgetpu/sepolicy/edgetpu_dba_service.te Normal file
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@ -0,0 +1,38 @@
# EdgeTPU DBA service.
type edgetpu_dba_server, domain;
type edgetpu_dba_server_exec, exec_type, vendor_file_type, file_type;
init_daemon_domain(edgetpu_dba_server)
# The vendor service will use binder calls.
binder_use(edgetpu_dba_server);
# The vendor service will serve a binder service.
binder_service(edgetpu_dba_server);
# EdgeTPU DBA service to register the service to service_manager.
add_service(edgetpu_dba_server, edgetpu_dba_service);
# Allow EdgeTPU DBA service to look for TPU instance in /dev/edgetpu or /dev/edgetpu-soc.
allow edgetpu_dba_server edgetpu_device:chr_file rw_file_perms;
# Allow EdgeTPU DBA service to request power hints from the Power Service.
hal_client_domain(edgetpu_dba_server, hal_power)
# Allow EdgeTPU DBA service to access hardware buffers and ION memory.
allow edgetpu_dba_server hal_allocator:fd use;
allow edgetpu_dba_server hal_graphics_mapper_hwservice:hwservice_manager find;
allow edgetpu_dba_server hal_graphics_allocator:fd use;
allow edgetpu_dba_server gpu_device:chr_file rw_file_perms;
allow edgetpu_dba_server gpu_device:dir r_dir_perms;
allow edgetpu_dba_server ion_device:chr_file r_file_perms;
# Allow EdgeTPU DBA service to read the overcommit_memory info.
allow edgetpu_dba_server proc_overcommit_memory:file r_file_perms;
# Allow EdgeTPU DBA service to read the kernel version.
# This is done inside the InitGoogle.
allow edgetpu_dba_server proc_version:file r_file_perms;
# Allow EdgeTPU DBA service to send trace packets to Perfetto with SELinux enabled
# under userdebug builds.
userdebug_or_eng(`perfetto_producer(edgetpu_dba_server)')

2
edgetpu/sepolicy/file_contexts
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@ -22,3 +22,5 @@
/data/vendor/hal_neuralnetworks_darwinn(/.*)? u:object_r:hal_neuralnetworks_darwinn_data_file:s0
/data/vendor/edgetpu(/.*)? u:object_r:edgetpu_vendor_service_data_file:s0
# EdgeTPU DBA service
/vendor/bin/hw/com\.google\.edgetpu.dba-service u:object_r:edgetpu_dba_server_exec:s0

1
edgetpu/sepolicy/priv_app.te
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@ -7,4 +7,3 @@ allow priv_app edgetpu_nnapi_service:service_manager find;
# Allows privileged applications to access the EdgeTPU device, except open,
# which is guarded by the EdgeTPU service.
allow priv_app edgetpu_device:chr_file { getattr read write ioctl map };

1
edgetpu/sepolicy/service.te
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@ -1,5 +1,6 @@
type edgetpu_nnapi_service, app_api_service, service_manager_type;
type edgetpu_vendor_service, service_manager_type, hal_service_type;
type edgetpu_dba_service, app_api_service, service_manager_type;
# EdgeTPU binder service type declaration.
type edgetpu_app_service, service_manager_type;

3
edgetpu/sepolicy/service_contexts
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@ -5,3 +5,6 @@ android.hardware.neuralnetworks.IDevice/google-edgetpu u:object_r:edgetpu_nna
# EdgeTPU service
com.google.edgetpu.IEdgeTpuAppService/default u:object_r:edgetpu_app_service:s0
# EdgeTPU DBA Service
com.google.edgetpu.dba.IDevice/default u:object_r:edgetpu_dba_service:s0