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cxl-read-labels - read out the label area on a CXL memdev

Description

       The region label area is a small persistent partition of capacity available on some CXL memory devices.
       The label area is used to and configure or determine the set of memory devices participating in different
       interleave sets. This command dumps the raw binary data in a memdev’s label area to stdout or a file. In
       the multi-memdev case the data is concatenated.

Name

       cxl-read-labels - read out the label area on a CXL memdev

Options

       <memory device(s)>
           A memX device name, or a memdev id number. Restrict the operation to the specified memdev(s). The
           keyword all can be specified to indicate the lack of any restriction.

       -S, --serial
           Rather an a memdev id number, interpret the <memdev> argument(s) as a list of serial numbers.

       -s, --size=
           Limit the operation to the given number of bytes. A size of 0 indicates to operate over the entire
           label capacity.

       -O, --offset=
           Begin the operation at the given offset into the label area.

       -v
           Turn on verbose debug messages in the library (if libcxl was built with logging and debug enabled).

       -o, --output
           output file

See Also

cxl-write-labels(1), cxl-zero-labels(1), CXL-2.0 9.13.2

cxl                                                2024-11-01                                 CXL-READ-LABELS(1)

Synopsis

cxlread-labels <mem0> [<mem1>..<memN>] [<options>]

See Also