| NAME | SYNOPSIS | DESCRIPTION | EXAMPLES | SEE ALSO | AUTHOR | COLOPHON | |
|  | 
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 <valex@mellanox.com>
       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
       netdev@vger.kernel.org, shemminger@osdl.org.  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 man-pages@man7.org
iproute2                       10 Jan 2018              DEVLINK-REGION(8)
Pages that refer to this page: devlink(8), devlink-health(8)