NAME
NAME
cxl-disable-port - disable / hot-remove a given CXL port and descendants
SYNOPSIS
cxl disable-port <port0> [<port1>..<portN>] [<options>]
For test and debug scenarios, disable a CXL port and any memory devices dependent on this port being active for CXL.mem operation.
Given any enable or disable command, if the operation is a no-op due to the current state of a target (i.e. already enabled or disabled), it is still considered successful when executed even if no actual operation is performed. The target can be a bus, decoder, memdev, or region. The operation will still succeed, and report the number of bus/decoder/memdev/region operated on, even if the operation is a no-op.
OPTIONS
-e; --endpoint
Toggle from treating the port arguments as Switch Port identifiers to
Endpoint Port identifiers.
-f; --force
DANGEROUS: Override the safety measure that blocks attempts to disable a
port if the tool determines a descendent memdev is in active usage.
Recall that CXL memory ranges might have been established by platform
firmware and disabling an active device is akin to force removing memory
from a running system.
--debug
Turn on additional debug messages including library debug.
COPYRIGHT
Copyright © 2016 - 2022, Intel Corporation. License GPLv2: GNU GPL version 2 http://gnu.org/licenses/gpl.html. This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law.