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CONFIG_CXL: Support for IBM Coherent Accelerators (CXL)

General informations

The Linux kernel configuration item CONFIG_CXL:

Help text

Select this option to enable driver support for IBM Coherent Accelerators (CXL). CXL is otherwise known as Coherent Accelerator Processor Interface (CAPI). CAPI allows accelerators in FPGAs to be coherently attached to a CPU via an MMU. This driver enables userspace programs to access these accelerators via /dev/cxl/afuM.N devices.

CAPI adapters are found in POWER8 based systems.

If unsure, say N.



Numeric ID (from LKDDb) and names (from pci.ids) of recognized devices:


Raw data from LKDDb:


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