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