Alexander Egorenkov 0466760ec1 zdump: Implement DT interface for NGDump ...

The NGDump DT interface enables zgetdump to display various meta
information contained within a dump partition prepared for NGDump
stand-alone dump.

Usage example:
--------------

No dump yet made
----------------

$ zgetdump -d /dev/nvme0n1
Dump device info:
  Dump tool.........: Next Generation (NGDump) dump tool
  Version...........: 1
  Architecture......: s390x (64 bit)

Partition info:
  Partition number..: 1

Dump present
------------

$ zgetdump -d /dev/nvme0n1
Dump device info:
  Dump tool.........: Next Generation (NGDump) dump tool
  Version...........: 1
  Architecture......: s390x (64 bit)

Partition info:
  Partition number..: 1
Meta info:
  File..............: dump.elf

Alternative disk path
---------------------

$ zgetdump -d /dev/disk/by-id/nvme-eui.01000000010000005cd2e4c5bc845051
Dump device info:
  Dump tool.........: Next Generation (NGDump) dump tool
  Version...........: 1
  Architecture......: s390x (64 bit)

Partition info:
  Partition number..: 1
Meta info:
  File..............: dump.elf

Signed-off-by: Alexander Egorenkov <egorenar@linux.ibm.com>
Reviewed-by: Alexander Gordeev <agordeev@linux.ibm.com>
Reviewed-by: Mikhail Zaslonko <zaslonko@linux.ibm.com>
Tested-by:  Mikhail Zaslonko <zaslonko@linux.ibm.com>
Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>

2022-06-20 13:14:05 +02:00

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