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1# SPDX-License-Identifier: GPL-2.0-only2#3# Open Coherent Accelerator (OCXL) compatible devices4#5 6config OCXL_BASE7 bool8 select PPC_COPRO_BASE9 10config OCXL11 tristate "OpenCAPI coherent accelerator support"12 depends on HOTPLUG_PCI_POWERNV13 select OCXL_BASE14 default m15 help16 Select this option to enable the ocxl driver for Open17 Coherent Accelerator Processor Interface (OpenCAPI) devices.18 19 OpenCAPI allows FPGA and ASIC accelerators to be coherently20 attached to a CPU over an OpenCAPI link.21 22 The ocxl driver enables userspace programs to access these23 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 CAPI28 accelerators (CONFIG_CXL), which are PCI-based instead of a29 dedicated OpenCAPI link, and don't follow the same protocol.30 31 If unsure, say N.32