{
    "mode": "man",
    "parameter": "DEVLINK-REGION",
    "section": "8",
    "url": "https://www.chedong.com/phpMan.php/man/DEVLINK-REGION/8/json",
    "generated": "2026-06-14T12:37:24Z",
    "synopsis": "devlink [ OPTIONS ] region  { COMMAND | help }\nOPTIONS := { -V[ersion] | -n[no-nice-names] }\ndevlink region show [ DEV/REGION ]\ndevlink region del DEV/REGION snapshot SNAPSHOTID\ndevlink region dump DEV/REGION snapshot SNAPSHOTID\ndevlink region read DEV/REGION [ snapshot SNAPSHOTID ] address ADDRESS length LENGTH",
    "sections": {
        "NAME": {
            "content": "devlink-region - devlink address region access\n",
            "subsections": []
        },
        "SYNOPSIS": {
            "content": "devlink [ OPTIONS ] region  { COMMAND | help }\n\n\nOPTIONS := { -V[ersion] | -n[no-nice-names] }\n\ndevlink region show [ DEV/REGION ]\n\ndevlink region del DEV/REGION snapshot SNAPSHOTID\n\ndevlink region dump DEV/REGION snapshot SNAPSHOTID\n\ndevlink region read DEV/REGION [ snapshot SNAPSHOTID ] address ADDRESS length LENGTH\n",
            "subsections": [
                {
                    "name": "devlink region help",
                    "content": ""
                }
            ]
        },
        "DESCRIPTION": {
            "content": "",
            "subsections": [
                {
                    "name": "devlink region show - Show all supported address regions names, snapshots and sizes",
                    "content": "DEV/REGION - specifies the devlink device and address-region to query.\n\n"
                },
                {
                    "name": "devlink region del - Delete a snapshot specified by address-region name and snapshot ID",
                    "content": "DEV/REGION - specifies the devlink device and address-region to delete the snapshot from\n\n\nsnapshot SNAPSHOTID - specifies the snapshot ID to delete\n\n"
                },
                {
                    "name": "devlink region dump - Dump all the available data from a region or from snapshot of a region",
                    "content": "DEV/REGION - specifies the device and address-region to dump from.\n\n\nsnapshot SNAPSHOTID - specifies the snapshot-id of the region to dump.\n\n"
                },
                {
                    "name": "devlink region read - Read from a specific region address for a given length",
                    "content": "DEV/REGION - specifies the device and address-region to read from.\n\n\nsnapshot SNAPSHOTID - specifies the snapshot-id of the region to read.\n\n\naddress ADDRESS - specifies the address to read from.\n\n\nlength LENGTH - specifies the length of data to read.\n\n"
                }
            ]
        },
        "EXAMPLES": {
            "content": "devlink region show\nList available address regions and snapshot.\n\ndevlink region del pci/0000:00:05.0/cr-space snapshot 1\nDelete snapshot id 1 from cr-space address region from device pci/0000:00:05.0.\n\ndevlink region dump pci/0000:00:05.0/cr-space snapshot 1\nDump the snapshot taken from cr-space address region with ID 1\n\ndevlink region read pci/0000:00:05.0/cr-space snapshot 1 address 0x10 legth 16\nRead from address 0x10, 16 Bytes of snapshot ID 1 taken from cr-space address region\n\n",
            "subsections": []
        },
        "SEE ALSO": {
            "content": "devlink(8), devlink-dev(8), devlink-port(8), devlink-monitor(8),\n\n",
            "subsections": []
        },
        "AUTHOR": {
            "content": "Alex Vesker <valex@mellanox.com>\n\n\n\niproute2                                     10 Jan 2018                           DEVLINK-REGION(8)",
            "subsections": []
        }
    },
    "summary": "devlink-region - devlink address region access",
    "flags": [],
    "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": [
        {
            "name": "devlink",
            "section": "8",
            "url": "https://www.chedong.com/phpMan.php/man/devlink/8/json"
        },
        {
            "name": "devlink-dev",
            "section": "8",
            "url": "https://www.chedong.com/phpMan.php/man/devlink-dev/8/json"
        },
        {
            "name": "devlink-port",
            "section": "8",
            "url": "https://www.chedong.com/phpMan.php/man/devlink-port/8/json"
        },
        {
            "name": "devlink-monitor",
            "section": "8",
            "url": "https://www.chedong.com/phpMan.php/man/devlink-monitor/8/json"
        }
    ]
}