# HwBinder IPC from client to server, and callbacks binder_call(hal_neuralnetworks_client, hal_neuralnetworks_server) binder_call(hal_neuralnetworks_server, hal_neuralnetworks_client) hal_attribute_hwservice(hal_neuralnetworks, hal_neuralnetworks_hwservice) allow hal_neuralnetworks hidl_memory_hwservice:hwservice_manager find; allow hal_neuralnetworks hal_allocator:fd use; allow hal_neuralnetworks hal_graphics_mapper_hwservice:hwservice_manager find; allow hal_neuralnetworks hal_graphics_allocator:fd use; # Allow NN HAL service to use a client-provided fd residing in /data/data/. allow hal_neuralnetworks_server app_data_file:file { read write getattr map }; allow hal_neuralnetworks_server privapp_data_file:file { read write getattr map }; # Allow NN HAL service to use a client-provided fd residing in /data/local/tmp/. allow hal_neuralnetworks_server shell_data_file:file { read write getattr map }; # Allow NN HAL service to read a client-provided ION memory fd. allow hal_neuralnetworks_server ion_device:chr_file r_file_perms; # Allow NN HAL service to use a client-provided fd residing in /storage allow hal_neuralnetworks_server storage_file:file { getattr map read }; # Allow NN HAL service to read a client-provided fd residing in /data/app/. allow hal_neuralnetworks_server apk_data_file:file { getattr map read }; # Allow NN HAL client to check the ro.nnapi.extensions.deny_on_product # property to determine whether to deny NNAPI extensions use for apps # on product partition (apps in GSI are not allowed to use NNAPI extensions). get_prop(hal_neuralnetworks_client, nnapi_ext_deny_product_prop); # This property is only expected to be found in /product/build.prop, # allow to be set only by init. neverallow { domain -init } nnapi_ext_deny_product_prop:property_service set; # Define sepolicy for NN AIDL HAL service hal_attribute_service(hal_neuralnetworks, hal_neuralnetworks_service) binder_call(hal_neuralnetworks_server, servicemanager) binder_use(hal_neuralnetworks_server) allow hal_neuralnetworks_server dumpstate:fifo_file write;