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NAME | SYNOPSIS | DESCRIPTION | EXAMPLES | SEE ALSO | AUTHOR | COLOPHON |
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DEVLINK-REGION(8) Linux DEVLINK-REGION(8)
devlink-region - devlink address region access
devlink [ OPTIONS ] region { COMMAND | help }
OPTIONS := { -V[ersion] | -n[no-nice-names] }
devlink region show [ DEV/REGION ]
devlink region new DEV/REGION [ snapshot SNAPSHOT_ID ]
devlink region del DEV/REGION snapshot SNAPSHOT_ID
devlink region dump DEV/REGION snapshot SNAPSHOT_ID
devlink region read DEV/REGION [ snapshot SNAPSHOT_ID ] address
ADDRESS length LENGTH
devlink region help
devlink region show - Show all supported address regions names,
snapshots and sizes
DEV/REGION - specifies the devlink device and address-region to
query.
devlink region new - Create a snapshot specified by address-region
name and snapshot ID
DEV/REGION - specifies the devlink device and address-region to
snapshot
snapshot SNAPSHOT_ID - optionally specifies the snapshot ID to
assign. If not specified, devlink will assign a unique ID to the
snapshot.
devlink region del - Delete a snapshot specified by address-region
name and snapshot ID
DEV/REGION - specifies the devlink device and address-region to
delete the snapshot from
snapshot SNAPSHOT_ID - specifies the snapshot ID to delete
devlink region dump - Dump all the available data from a region or
from snapshot of a region
DEV/REGION - specifies the device and address-region to dump from.
snapshot SNAPSHOT_ID - specifies the snapshot-id of the region to
dump.
devlink region read - Read from a specific region address for a given
length
DEV/REGION - specifies the device and address-region to read from.
snapshot SNAPSHOT_ID - specifies the snapshot-id of the region to
read.
address ADDRESS - specifies the address to read from.
length LENGTH - specifies the length of data to read.
devlink region show
List available address regions and snapshot.
devlink region new pci/0000:00:05.0/cr-space
Create a new snapshot from cr-space address region from device
pci/0000:00:05.0.
devlink region del pci/0000:00:05.0/cr-space snapshot 1
Delete snapshot id 1 from cr-space address region from device
pci/0000:00:05.0.
devlink region dump pci/0000:00:05.0/cr-space snapshot 1
Dump the snapshot taken from cr-space address region with ID 1
devlink region read pci/0000:00:05.0/cr-space snapshot 1 address
0x10 length 16
Read from address 0x10, 16 Bytes of snapshot ID 1 taken from
cr-space address region
devlink(8), devlink-dev(8), devlink-port(8), devlink-monitor(8),
Alex Vesker <[email protected]>
This page is part of the iproute2 (utilities for controlling
TCP/IP networking and traffic) project. Information about the
project can be found at
⟨http://www.linuxfoundation.org/collaborate/workgroups/networking/iproute2⟩.
If you have a bug report for this manual page, send it to
[email protected], [email protected]. This page was
obtained from the project's upstream Git repository
⟨https://git.kernel.org/pub/scm/network/iproute2/iproute2.git⟩ on
2025-08-11. (At that time, the date of the most recent commit
that was found in the repository was 2025-08-08.) If you discover
any rendering problems in this HTML version of the page, or you
believe there is a better or more up-to-date source for the page,
or you have corrections or improvements to the information in this
COLOPHON (which is not part of the original manual page), send a
mail to [email protected]
iproute2 10 Jan 2018 DEVLINK-REGION(8)
Pages that refer to this page: devlink(8), devlink-health(8)
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HTML rendering created 2025-09-06 by Michael Kerrisk, author of The Linux Programming Interface. For details of in-depth Linux/UNIX system programming training courses that I teach, look here. Hosting by jambit GmbH. |
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