[Bug 1776631] Re: [18.10 FEAT] I/O device pre-configuration

[Dimitri John Ledkov]

I think we want this in d-i, subiquity, curtin/MAAS, and backported to
bionic as well.

This is now in cosmic. Could you please install cosmic, upgrade to
latest s390-tools, enter things via HMC and reboot the instance to see
if it picks up and auto-activates devices specified via the HMC?

** Also affects: debian-installer (Ubuntu)
   Importance: Undecided
       Status: New

** Also affects: subiquity
   Importance: Undecided
       Status: New

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Title:
  [18.10 FEAT] I/O device pre-configuration

Status in subiquity:
  New
Status in Ubuntu on IBM z Systems:
  In Progress
Status in debian-installer package in Ubuntu:
  New
Status in linux package in Ubuntu:
  Fix Released
Status in s390-tools package in Ubuntu:
  Fix Released
Status in s390-tools source package in Bionic:
  New

Bug description:
  I/O device auto-configuration is a mechanism by which users can specify IDs and settings of I/O devices that should be automatically enabled in Linux. Users enter this information for an LPAR via an HMC running in DPM mode. During boot, Linux obtains this information via an SCLP call (details to be defined) and triggers the resulting configuration actions (e.g. using the chzdev command).
  Available with kernel 4.17

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