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linux-yocto/drivers/misc/ocxl/Kconfig
Frederic Barrat b97f02246e ocxl: Add Makefile and Kconfig 
OCXL_BASE triggers the platform support needed by the driver.

Signed-off-by: Frederic Barrat <fbarrat@linux.vnet.ibm.com>
Signed-off-by: Andrew Donnellan <andrew.donnellan@au1.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
2018-01-24 11:42:59 +11:00

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Open Coherent Accelerator (OCXL) compatible devices

config OCXL_BASE bool default n select PPC_COPRO_BASE

config OCXL tristate "OpenCAPI coherent accelerator support" depends on PPC_POWERNV && PCI && EEH select OCXL_BASE default m help Select this option to enable the ocxl driver for Open Coherent Accelerator Processor Interface (OpenCAPI) devices.

  OpenCAPI allows FPGA and ASIC accelerators to be coherently
  attached to a CPU over an OpenCAPI link.

  The ocxl driver enables userspace programs to access these
  accelerators through devices in /dev/ocxl/.

  For more information, see http://opencapi.org.

  This is not to be confused with the support for IBM CAPI
  accelerators (CONFIG_CXL), which are PCI-based instead of a
  dedicated OpenCAPI link, and don't follow the same protocol.

  If unsure, say N.