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
See Also
devlink(8), devlink-dev(8), devlink-port(8), devlink-monitor(8),
Referenced By
devlink(8), devlink-health(8).