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xenbus: Add support for xenbus backend in stub domain

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Add an ioctl to the /dev/xen/xenbus_backend device allowing the xenbus
backend to be started after the kernel has booted. This allows xenstore
to run in a different domain from the dom0.

Signed-off-by: Daniel De Graaf <dgdegra@tycho.nsa.gov>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
This commit is contained in:
Daniel De Graaf
2012-05-08 09:46:57 -04:00
committed by Konrad Rzeszutek Wilk
parent 2f1bd67d54
commit d2fb4c51c7
5 changed files with 63 additions and 0 deletions
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3
include/xen/xenbus_dev.h
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@@ -38,4 +38,7 @@
#define IOCTL_XENBUS_BACKEND_EVTCHN \
_IOC(_IOC_NONE, 'B', 0, 0)
#define IOCTL_XENBUS_BACKEND_SETUP \
_IOC(_IOC_NONE, 'B', 1, 0)
#endif /* __LINUX_XEN_XENBUS_DEV_H__ */