Devlink-region (8) Linux Manual Page

devlink-region – devlink address region access

Synopsis

devlink

[ OPTIONS ]

region

{ COMMAND |

    help }

OPTIONS := {

    -V[ersion] |
    -n[no-nice-names] }

devlink region show [ DEV/REGION ]
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

Description

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 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.

Examples

devlink region show

List available address regions and snapshot.

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 legth 16

Read from address 0x10, 16 Bytes of snapshot ID 1 taken from cr-space address region

Author

Alex Vesker <valex [at] mellanox.com>

devlink-region (8) Linux Manual Page