.TH DEVLINK\-REGION 8 "10 Jan 2018" "iproute2" "Linux"

.SH NAME

devlink-region \- devlink address region access

.SH SYNOPSIS

.sp

.ad l

.in +8

.ti -8

.B devlink

.RI "[ " OPTIONS " ]"

.B region

.RI  " { " COMMAND " | "

.BR help " }"

.sp

.ti -8

.IR OPTIONS " := { "

\fB\-V\fR[\fIersion\fR] |

\fB\-n\fR[\fIno-nice-names\fR] }

.ti -8

.BR "devlink region show"

.RI "[ " DEV/REGION " ]"

.ti -8

.BR "devlink region del"

.RI "" DEV/REGION ""

.BR "snapshot"

.RI "" SNAPSHOT_ID ""

.ti -8

.BR "devlink region dump"

.RI "" DEV/REGION ""

.BR "snapshot"

.RI "" SNAPSHOT_ID ""

.ti -8

.BR "devlink region read"

.RI "" DEV/REGION ""

.BR "[ "

.BR "snapshot"

.RI "" SNAPSHOT_ID ""

.BR "]"

.BR "address"

.RI "" ADDRESS "

.BR "length"

.RI "" LENGTH ""

.ti -8

.B devlink region help

.SH "DESCRIPTION"

.SS devlink region show - Show all supported address regions names, snapshots and sizes

.PP

.I "DEV/REGION"

- specifies the devlink device and address-region to query.

.SS devlink region del - Delete a snapshot specified by address-region name and snapshot ID

.PP

.I "DEV/REGION"

- specifies the devlink device and address-region to delete the snapshot from

.PP

snapshot

.I "SNAPSHOT_ID"

- specifies the snapshot ID to delete

.SS devlink region dump - Dump all the available data from a region or from snapshot of a region

.PP

.I "DEV/REGION"

- specifies the device and address-region to dump from.

.PP

snapshot

.I "SNAPSHOT_ID"

- specifies the snapshot-id of the region to dump.

.SS devlink region read - Read from a specific region address for a given length

.PP

.I "DEV/REGION"

- specifies the device and address-region to read from.

.PP

snapshot

.I "SNAPSHOT_ID"

- specifies the snapshot-id of the region to read.

.PP

address

.I "ADDRESS"

- specifies the address to read from.

.PP

length

.I "LENGTH"

- specifies the length of data to read.

.SH "EXAMPLES"

.PP

devlink region show

.RS 4

List available address regions and snapshot.

.RE

.PP

devlink region del pci/0000:00:05.0/cr-space snapshot 1

.RS 4

Delete snapshot id 1 from cr-space address region from device pci/0000:00:05.0.

.RE

.PP

devlink region dump pci/0000:00:05.0/cr-space snapshot 1

.RS 4

Dump the snapshot taken from cr-space address region with ID 1

.RE

.PP

devlink region read pci/0000:00:05.0/cr-space snapshot 1 address 0x10 legth 16

.RS 4

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

.SH SEE ALSO

.BR devlink (8),

.BR devlink-dev (8),

.BR devlink-port (8),

.BR devlink-monitor (8),

.br

.SH AUTHOR

Alex Vesker <valex@mellanox.com>