1# HwBinder IPC from client to server, and callbacks
2binder_call(hal_neuralnetworks_client, hal_neuralnetworks_server)
3binder_call(hal_neuralnetworks_server, hal_neuralnetworks_client)
4
5hal_attribute_hwservice(hal_neuralnetworks, hal_neuralnetworks_hwservice)
6allow hal_neuralnetworks hidl_memory_hwservice:hwservice_manager find;
7allow hal_neuralnetworks hal_allocator:fd use;
8
9# Allow NN HAL service to use a client-provided fd residing in /data/data/.
10allow hal_neuralnetworks_server app_data_file:file { read write getattr map };
11allow hal_neuralnetworks_server privapp_data_file:file { read write getattr map };
12
13# Allow NN HAL service to use a client-provided fd residing in /data/local/tmp/.
14allow hal_neuralnetworks_server shell_data_file:file { read write getattr map };
15
16# Allow NN HAL client to check the ro.nnapi.extensions.deny_on_product
17# property to determine whether to deny NNAPI extensions use for apps
18# on product partition (apps in GSI are not allowed to use NNAPI extensions).
19get_prop(hal_neuralnetworks_client, nnapi_ext_deny_product_prop);
20# This property is only expected to be found in /product/build.prop,
21# allow to be set only by init.
22neverallow { domain -init } nnapi_ext_deny_product_prop:property_service set;
23