1# SPDX-License-Identifier: GPL-2.0 2config DIBS 3 tristate "Direct Internal Buffer Sharing support" 4 default n 5 help 6 Direct Internal Buffer Sharing (DIBS) is a communication method that 7 uses common physical (internal) memory for synchronous direct access 8 into a remote buffer. 9 10 Select this option to provide the abstraction layer between 11 dibs devices and dibs clients like the SMC protocol. 12 The module name is dibs. 13 14config DIBS_LO 15 bool "Intra-OS shortcut with dibs loopback" 16 depends on DIBS 17 default n 18 help 19 DIBS_LO enables the creation of an software-emulated dibs device 20 named lo which can be used for transferring data when communication 21 occurs within the same OS. This helps in convenient testing of 22 dibs clients, since dibs loopback is independent of architecture or 23 hardware. 24