sgi-xpc: implement opencomplete messaging
sgi-xpc has a window of failure where an open message can be sent and a
subsequent data message can get lost. We have added a new message
(opencomplete) which closes that window.
Signed-off-by: Robin Holt <holt@sgi.com>
Signed-off-by: Dean Nelson <dcn@sgi.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/misc/sgi-xp/xpc_main.c b/drivers/misc/sgi-xp/xpc_main.c
index 34b084c..2bb070e 100644
--- a/drivers/misc/sgi-xp/xpc_main.c
+++ b/drivers/misc/sgi-xp/xpc_main.c
@@ -220,6 +220,8 @@
unsigned long *irq_flags);
void (*xpc_send_chctl_openreply) (struct xpc_channel *ch,
unsigned long *irq_flags);
+void (*xpc_send_chctl_opencomplete) (struct xpc_channel *ch,
+ unsigned long *irq_flags);
enum xp_retval (*xpc_save_remote_msgqueue_pa) (struct xpc_channel *ch,
unsigned long msgqueue_pa);