From 881632c905f29fd7173250fd1d5b3a9a769d02be Mon Sep 17 00:00:00 2001 From: Ian Munsie Date: Wed, 8 Oct 2014 19:55:04 +1100 Subject: cxl: Add driver to Kbuild and Makefiles Signed-off-by: Ian Munsie Signed-off-by: Michael Neuling Signed-off-by: Michael Ellerman --- drivers/misc/cxl/Kconfig | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) (limited to 'drivers/misc/cxl/Kconfig') diff --git a/drivers/misc/cxl/Kconfig b/drivers/misc/cxl/Kconfig index 5cdd3199f97d..a990b39b4dfb 100644 --- a/drivers/misc/cxl/Kconfig +++ b/drivers/misc/cxl/Kconfig @@ -6,3 +6,20 @@ config CXL_BASE bool default n select PPC_COPRO_BASE + +config CXL + tristate "Support for IBM Coherent Accelerators (CXL)" + depends on PPC_POWERNV && PCI_MSI + select CXL_BASE + default m + help + 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. -- cgit