drgreen/android_device_google_gs-common
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Add tachyon service to the device.mk and sepolicy.

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Bug: 299932913

Change-Id: Ifb8e55c07a9534ae49c96669c90357d04fb31f23
This commit is contained in:
qinyiyan 2023-09-08 13:43:44 -07:00
parent a0f4374b3b
commit 33274eb576
5 changed files with 57 additions and 0 deletions
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4
edgetpu/edgetpu.mk
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@ -23,6 +23,10 @@ PRODUCT_PACKAGES += \
PRODUCT_PACKAGES += com.google.edgetpu.dba-service
# TPU DBA C API library
PRODUCT_PACKAGES += libedgetpu_dba.google
# TPU Tachyon HAL service
PRODUCT_PACKAGES += com.google.edgetpu.tachyon-service
# TPU Tachyon C API library
PRODUCT_PACKAGES += libedgetpu_tachyon.google
BOARD_VENDOR_SEPOLICY_DIRS += device/google/gs-common/edgetpu/sepolicy

46
edgetpu/sepolicy/edgetpu_tachyon_service.te Normal file
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@ -0,0 +1,46 @@
# Tachyon service.
type edgetpu_tachyon_server, domain;
type edgetpu_tachyon_server_exec, exec_type, vendor_file_type, file_type;
init_daemon_domain(edgetpu_tachyon_server)
# The vendor service will use binder calls.
binder_use(edgetpu_tachyon_server);
# The vendor service will serve a binder service.
binder_service(edgetpu_tachyon_server);
# Tachyon service to register the service to service_manager.
add_service(edgetpu_tachyon_server, edgetpu_tachyon_service);
# Allow Tachyon service to access the edgetpu_app_service.
allow edgetpu_tachyon_server edgetpu_app_service:service_manager find;
binder_call(edgetpu_tachyon_server, edgetpu_app_server);
# Allow Tachyon service to look for TPU instance in /dev/edgetpu or /dev/edgetpu-soc.
allow edgetpu_tachyon_server edgetpu_device:chr_file rw_file_perms;
# Allow Tachyon service to access hardware buffers and ION memory.
allow edgetpu_tachyon_server hal_allocator:fd use;
allow edgetpu_tachyon_server hal_graphics_mapper_hwservice:hwservice_manager find;
allow edgetpu_tachyon_server hal_graphics_allocator:fd use;
allow edgetpu_tachyon_server gpu_device:chr_file rw_file_perms;
allow edgetpu_tachyon_server gpu_device:dir r_dir_perms;
allow edgetpu_tachyon_server ion_device:chr_file r_file_perms;
# Allow Tachyon service to read the overcommit_memory info.
allow edgetpu_tachyon_server proc_overcommit_memory:file r_file_perms;
# Allow Tachyon service to read the kernel version.
# This is done inside the InitGoogle.
allow edgetpu_tachyon_server proc_version:file r_file_perms;
# Allow Tachyon service to send trace packets to Perfetto with SELinux enabled
# under userdebug builds.
userdebug_or_eng(`perfetto_producer(edgetpu_tachyon_server)')
# Allow Tachyon service to read tflite Darwinn delegate properties
get_prop(edgetpu_tachyon_server, vendor_tflite_delegate_prop)
# Allow Tachyon service to read hetero runtime properties
get_prop(edgetpu_tachyon_server, vendor_hetero_runtime_prop)
# Allow Tachyon service to read EdgeTPU CPU scheduler properties
get_prop(edgetpu_tachyon_server, vendor_edgetpu_cpu_scheduler_prop)

3
edgetpu/sepolicy/file_contexts
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@ -24,3 +24,6 @@
# EdgeTPU DBA service
/vendor/bin/hw/com\.google\.edgetpu.dba-service u:object_r:edgetpu_dba_server_exec:s0
# Tachyon service
/vendor/bin/hw/com\.google\.edgetpu.tachyon-service u:object_r:edgetpu_tachyon_server_exec:s0

1
edgetpu/sepolicy/service.te
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@ -1,6 +1,7 @@
type edgetpu_nnapi_service, app_api_service, service_manager_type, isolated_compute_allowed_service;
type edgetpu_vendor_service, service_manager_type, hal_service_type;
type edgetpu_dba_service, app_api_service, service_manager_type, isolated_compute_allowed_service;
type edgetpu_tachyon_service, app_api_service, service_manager_type, isolated_compute_allowed_service;
# EdgeTPU binder service type declaration.
type edgetpu_app_service, service_manager_type;

3
edgetpu/sepolicy/service_contexts
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@ -8,3 +8,6 @@ com.google.edgetpu.IEdgeTpuAppService/default u:object_r:edgetpu_ap
# EdgeTPU DBA Service
com.google.edgetpu.dba.IDevice/default u:object_r:edgetpu_dba_service:s0
# Tachyon Service
com.google.edgetpu.tachyon.IComputeService/default u:object_r:edgetpu_tachyon_service:s0