Linux lhjmq-records 5.15.0-118-generic #128-Ubuntu SMP Fri Jul 5 09:28:59 UTC 2024 x86_64
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# SPDX-License-Identifier: GPL-2.0-only
#
# Open Coherent Accelerator (OCXL) compatible devices
#
config OCXL_BASE
bool
select PPC_COPRO_BASE
config OCXL
tristate "OpenCAPI coherent accelerator support"
depends on HOTPLUG_PCI_POWERNV
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 https://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.
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