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1# SPDX-License-Identifier: GPL-2.0-only2#3# IBM Coherent Accelerator (CXL) compatible devices4#5 6config CXL_BASE7 bool8 select PPC_COPRO_BASE9 select PPC_64S_HASH_MMU10 11config CXL12 tristate "Support for IBM Coherent Accelerators (CXL)"13 depends on PPC_POWERNV && PCI_MSI && EEH14 select CXL_BASE15 default m16 help17 Select this option to enable driver support for IBM Coherent18 Accelerators (CXL). CXL is otherwise known as Coherent Accelerator19 Processor Interface (CAPI). CAPI allows accelerators in FPGAs to be20 coherently attached to a CPU via an MMU. This driver enables21 userspace programs to access these accelerators via /dev/cxl/afuM.N22 devices.23 24 CAPI adapters are found in POWER8 based systems.25 26 If unsure, say N.27