From d2fb4c51c7471a23f0a95526b624c14cec62603d Mon Sep 17 00:00:00 2001
From: Daniel De Graaf <dgdegra@tycho.nsa.gov>
Date: Tue, 8 May 2012 09:46:57 -0400
Subject: xenbus: Add support for xenbus backend in stub domain

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>
---
 include/xen/grant_table.h | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'include/xen/grant_table.h')

diff --git a/include/xen/grant_table.h b/include/xen/grant_table.h
index 15f8a00ff003..11e27c3af3cb 100644
--- a/include/xen/grant_table.h
+++ b/include/xen/grant_table.h
@@ -46,6 +46,8 @@
 
 #include <xen/features.h>
 
+#define GNTTAB_RESERVED_XENSTORE 1
+
 /* NR_GRANT_FRAMES must be less than or equal to that configured in Xen */
 #define NR_GRANT_FRAMES 4
 
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