Document XenStore's new SET_TARGET message

Signed-off-by: Ryan O'Connor <colossus@interchange.ubc.ca>

diff --git a/docs/misc/xenstore.txt b/docs/misc/xenstore.txt
index 90632863dfa0225a8c848e55a95c7f6aac099e3d..baf2c42dc0e4f31ee76d921099fa4860eb7a87bf 100644 (file)
--- a/docs/misc/xenstore.txt
+++ b/docs/misc/xenstore.txt
@@ -296,6 +296,16 @@ RESUME                     <domid>|
 
        xenstored prevents the use of RESUME other than by dom0.
 
+SET_TARGET             <domid>|<tdomid>|
+       Notifies xenstored that domain <domid> is targeting domain
+       <tdomid>. This grants domain <domid> full access to paths
+       owned by <tdomid>. Domain <domid> also inherits all
+       permissions granted to <tdomid> on all other paths. This
+       allows <domid> to behave as if it were dom0 when modifying
+       paths related to <tdomid>.
+
+       xenstored prevents the use of SET_TARGET other than by dom0.
+
 ---------- Miscellaneous ----------
 
 DEBUG                  print|<string>|??           sends <string> to debug log