devlink-region8
Devlink address region access
Usage
devlink [OPTIONS]
region
{COMMAND | help}
OPTIONS :=
{-V
[ersion] | -n
[no-nice-names]}
devlink region
show
[DEV/REGION]
devlink region
newDEV/REGION
[snapshotSNAPSHOT_ID]
devlink region
delDEV/REGION
snapshotSNAPSHOT_ID
devlink region
dumpDEV/REGION
snapshotSNAPSHOT_ID
devlink region
readDEV/REGION
[snapshotSNAPSHOT_ID]
addressADDRESS
lengthLENGTH
devlink region
help
Overview
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.
Examples
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
Releases
5 releases since Debian 10 (Buster); the text changed 2 times.