diff --git a/edgetpu/edgetpu_dba_service.te b/edgetpu/edgetpu_dba_service.te new file mode 100644 index 00000000..2e8f908a --- /dev/null +++ b/edgetpu/edgetpu_dba_service.te @@ -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)') diff --git a/edgetpu/file_contexts b/edgetpu/file_contexts index 04f8491f..bfd5f608 100644 --- a/edgetpu/file_contexts +++ b/edgetpu/file_contexts @@ -25,3 +25,8 @@ # EdgeTPU metrics logging service. /vendor/lib64/libmetrics_logger\.so u:object_r:same_process_hal_file:s0 + +# EdgeTPU DBA service +/vendor/bin/hw/com\.google\.edgetpu.dba-service u:object_r:edgetpu_dba_server_exec:s0 +/vendor/lib64/com\.google\.edgetpu.dba-V1-ndk\.so u:object_r:same_process_hal_file:s0 +/vendor/lib64/libedgetpu_dba_hal\.so u:object_r:same_process_hal_file:s0 diff --git a/edgetpu/priv_app.te b/edgetpu/priv_app.te index db6e0a27..63f76b8a 100644 --- a/edgetpu/priv_app.te +++ b/edgetpu/priv_app.te @@ -10,3 +10,6 @@ allow priv_app edgetpu_device:chr_file { getattr read write ioctl map }; # Allows privileged applications to access the PowerHAL. hal_client_domain(priv_app, hal_power) + +# Allows privileged applications to discover the EdgeTPU DBA service. +allow priv_app edgetpu_dba_service:service_manager find; diff --git a/edgetpu/service.te b/edgetpu/service.te index 09fa9cba..08658685 100644 --- a/edgetpu/service.te +++ b/edgetpu/service.te @@ -3,3 +3,4 @@ type edgetpu_app_service, service_manager_type; type edgetpu_vendor_service, service_manager_type, hal_service_type; type edgetpu_nnapi_service, app_api_service, service_manager_type; +type edgetpu_dba_service, app_api_service, service_manager_type; diff --git a/edgetpu/service_contexts b/edgetpu/service_contexts index 76fe43da..23a0fab8 100644 --- a/edgetpu/service_contexts +++ b/edgetpu/service_contexts @@ -5,3 +5,5 @@ com.google.edgetpu.IEdgeTpuVendorService/default u:object_r:edgetpu_ve # TPU NNAPI Service android.hardware.neuralnetworks.IDevice/google-edgetpu u:object_r:edgetpu_nnapi_service:s0 +# EdgeTPU DBA Service +com.google.edgetpu.dba.IDevice/default u:object_r:edgetpu_dba_service:s0