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 PPC_POWERNV && PCI && EEH 13 select OCXL_BASE 14 select HOTPLUG_PCI_POWERNV 15 default m 16 help 17 Select this option to enable the ocxl driver for Open 18 Coherent Accelerator Processor Interface (OpenCAPI) devices. 19 20 OpenCAPI allows FPGA and ASIC accelerators to be coherently 21 attached to a CPU over an OpenCAPI link. 22 23 The ocxl driver enables userspace programs to access these 24 accelerators through devices in /dev/ocxl/. 25 26 For more information, see http://opencapi.org. 27 28 This is not to be confused with the support for IBM CAPI 29 accelerators (CONFIG_CXL), which are PCI-based instead of a 30 dedicated OpenCAPI link, and don't follow the same protocol. 31 32 If unsure, say N. 33