Qualcomm FastRPC

modulename: fastrpc.ko

configname: CONFIG_QCOM_FASTRPC

Linux Kernel Configuration
└─>Device Drivers
└─>Misc devices
└─>Qualcomm FastRPC
In linux kernel since version 5.1 (release Date: 2019-05-05)  
Provides a communication mechanism that allows for clients to
make remote method invocations across processor boundary to
applications DSP processor. Say M if you want to enable this
module.

source code:

depends
CONFIG_RPMSG
CONFIG_ARCH_QCOM or CONFIG_COMPILE_TEST