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[Xen-devel] [PATCH] Support user domain create extensions

  • To: xen-devel@xxxxxxxxxxxxxxxxxxx
  • From: Juergen Gross <juergen.gross@xxxxxxxxxxxxxx>
  • Date: Wed, 14 Nov 2012 10:52:55 +0100
  • Delivery-date: Wed, 14 Nov 2012 10:02:16 +0000
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  • List-id: Xen developer discussion <xen-devel.lists.xen.org>

This patch supports arbitrary extensions to xl create by being able to specify
a script which is run at domain creation. The script is specified in the xl
config file and will be started at domain creation with following parameters:

<script> restore|create <domid> <path of config file>

To be able to use non-standard devices a new device class "NSTD" is defined.
The xl framework will remove all NSTD devices when destroying a domain.

This extension enables us (Fujitsu) to use standard Xen with xl for our
Xen-based mainframe with BS2000 as DomU (this requires an additional Xen
PV-device emulating the BS2000 I/O-system).

It might be interesting for others as well to be able to add new experimental
devices or other features to Xen without having to change Xen (especially xl)

Signed-off-by: Juergen Gross <juergen.gross@xxxxxxxxxxxxxx>

7 files changed, 65 insertions(+)
tools/examples/xl.conf               |   11 +++++++++++
tools/libxl/libxl.h                  |    3 +++
tools/libxl/libxl_dom.c              |   16 ++++++++++++++++
tools/libxl/libxl_types_internal.idl |    1 +
tools/libxl/xl.c                     |    5 +++++
tools/libxl/xl.h                     |    1 +
tools/libxl/xl_cmdimpl.c             |   28 ++++++++++++++++++++++++++++

Attachment: xen-staging.hg.patch
Description: Text Data

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