# HG changeset patch
# User Keir Fraser <keir.fraser@xxxxxxxxxx>
# Date 1259310353 0
# Node ID d4e5058ce390223ddb66a4fed4d5354336dfe07e
# Parent 6090fa95abc1d430da1532f2a72670138af995ff
xend: Add support for XCP Windows PV drivers
This patch adds support for XCP Windows paravirtual drivers to run on
Xen. The drivers are currently provided in binary-only format from
Citrix. At a minimum, this patch is useful for performance comparisons
vs GPLPV drivers.
Live migration and save/resume are functional but set the guest clock
to the 1970's. The clock must be manually adjusted for the guest's ntp
to resume accurate timekeeping.
Before rebooting windows at the end of driver installation create the
registry key
HKLM\System\CurrentControlSet\Services\xenevtchn\Parameters. Add to it
a DWORD called SetFlags with a value of 0x10000000.
Signed-off-by: Keith Coleman <keith@xxxxxxxxxxx>
xen-unstable changeset: 20476:be9b8be3c648
xen-unstable date: Mon Nov 23 07:12:06 2009 +0000
---
tools/python/xen/xend/XendDomainInfo.py | 4 +++-
1 files changed, 3 insertions(+), 1 deletion(-)
diff -r 6090fa95abc1 -r d4e5058ce390 tools/python/xen/xend/XendDomainInfo.py
--- a/tools/python/xen/xend/XendDomainInfo.py Fri Nov 27 08:25:16 2009 +0000
+++ b/tools/python/xen/xend/XendDomainInfo.py Fri Nov 27 08:25:53 2009 +0000
@@ -1566,7 +1566,9 @@ class XendDomainInfo:
t.set_permissions({'dom' : self.domid, 'read' : True})
t.write('vm', self.vmpath)
# NB. Solaris guests use guest/ and hvmpv/ xenstore directories
- for i in [ 'device', 'control', 'error', 'memory', 'guest', 'hvmpv' ]:
+ # XCP Windows paravirtualized guests use data/
+ for i in [ 'device', 'control', 'error', 'memory', 'guest', \
+ 'hvmpv', 'data' ]:
t.mkdir(i)
t.set_permissions(i, {'dom' : self.domid})
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