1# SPDX-License-Identifier: GPL-2.0-only 2# 3# Open Coherent Accelerator (OCXL) compatible devices 4# 5 6config OCXL_BASE 7 bool 8 select PPC_COPRO_BASE 9 10config OCXL 11 tristate "OpenCAPI coherent accelerator support" 12 depends on HOTPLUG_PCI_POWERNV 13 select OCXL_BASE 14 default m 15 help 16 Select this option to enable the ocxl driver for Open 17 Coherent Accelerator Processor Interface (OpenCAPI) devices. 18 19 OpenCAPI allows FPGA and ASIC accelerators to be coherently 20 attached to a CPU over an OpenCAPI link. 21 22 The ocxl driver enables userspace programs to access these 23 accelerators through devices in /dev/ocxl/. 24 25 For more information, see https://opencapi.org. 26 27 This is not to be confused with the support for IBM CAPI 28 accelerators (CONFIG_CXL), which are PCI-based instead of a 29 dedicated OpenCAPI link, and don't follow the same protocol. 30 31 If unsure, say N. 32