[PATCH] IPMI: Add maintenance mode

Some commands and operations on a BMC can cause the BMC to "go away" for a
while.  This can cause the automatic flag processing and other things of that
nature to timeout and generate annoying logs, or possibly cause other bad
things to happen when in firmware update mode.

Add detection of those commands (cold reset, warm reset, and any firmware
command) and turns off automatic processing for 30 seconds.  It also add a
manual override either way.

Signed-off-by: Corey Minyard <minyard@acm.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 7 insertions, 0 deletions

diff --git a/include/linux/ipmi_smi.h b/include/linux/ipmi_smi.h
index 2cc960da4176..c0633108d05d 100644
--- a/include/linux/ipmi_smi.h
+++ b/include/linux/ipmi_smi.h
@@ -115,6 +115,13 @@ struct ipmi_smi_handlers
            poll for operations during things like crash dumps. */
         void (*poll)(void *send_info);
 
+        /* Enable/disable firmware maintenance mode.  Note that this
+           is *not* the modes defined, this is simply an on/off
+           setting.  The message handler does the mode handling.  Note
+           that this is called from interupt context, so it cannot
+           block. */
+        void (*set_maintenance_mode)(void *send_info, int enable);
+
         /* Tell the handler that we are using it/not using it.  The
            message handler get the modules that this handler belongs
            to; this function lets the SMI claim any modules that it