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[PATCH] IPMI: Add maintenance mode

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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>
This commit is contained in:
Corey Minyard
2006-12-06 20:41:02 -08:00
committed by Linus Torvalds
parent b2c03941b5
commit b9675136e2
6 changed files with 207 additions and 1 deletions
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7
include/linux/ipmi_smi.h
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@@ -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