[Feature] sanitize-dimm should filter on Region

[sscargal]

On multi-socket systems where we can potentially have a lot of regions, where each region could be assigned to one or more virtual machines, it would be nice to have the ability to sanitize dimms per region. Currently, we can sanitize all dimms or specify each dimm one by one. For a region, we have to manually match the dimms.

 usage: ndctl sanitize-dimm <nmem0> [<nmem1>..<nmemN>] [<options>]

    -b, --bus <bus-id>    <nmem> must be on a bus with an id/provider of <bus-id>
    -v, --verbose         turn on debug
    -c, --crypto-erase    crypto erase a dimm
    -o, --overwrite       overwrite a dimm
    -z, --zero-key        pass in a zero key
    -m, --master-passphrase
                          use master passphrase

Other commands such as destroy-namespace and create-namespace allow the -r,--region option as a filter.

[djbw]

Yes, good catch.