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Summary:
OPAL runs in big-endian mode, so we need to byteswap msg_len on little-endian.
MFC after: 1 week
Test Plan: ipmitool lan print
Reviewers: #powerpc
Subscribers: imp
Differential Revision: https://reviews.freebsd.org/D49530
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Fixes: 366d6a424e1faad9c151c5794978e218a79fbed8
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Driver requests are done with stack allocated request. The request is
put on the tailq and then we msleep(9) until kernel process processes it.
If we timeout from this sleep, the kernel process may still read the
request from our stack, which may already be reused by some other code.
Make this sleep unbound and rely on the kernel process that does all its
I/O with timouts and will eventually wake us up.
Reviewed by: jhb
Differential Revision: https://reviews.freebsd.org/D47179
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Apply the following automated changes to try to eliminate
no-longer-needed sys/cdefs.h includes as well as now-empty
blank lines in a row.
Remove /^#if.*\n#endif.*\n#include\s+<sys/cdefs.h>.*\n/
Remove /\n+#include\s+<sys/cdefs.h>.*\n+#if.*\n#endif.*\n+/
Remove /\n+#if.*\n#endif.*\n+/
Remove /^#if.*\n#endif.*\n/
Remove /\n+#include\s+<sys/cdefs.h>\n#include\s+<sys/types.h>/
Remove /\n+#include\s+<sys/cdefs.h>\n#include\s+<sys/param.h>/
Remove /\n+#include\s+<sys/cdefs.h>\n#include\s+<sys/capsicum.h>/
Sponsored by: Netflix
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Remove /^[\s*]*__FBSDID\("\$FreeBSD\$"\);?\s*\n/
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This change fixes a couple of issues with OPAL IPMI driver and
implements a mechanism to detect timeouts and discard old messages left
in receive queue, to avoid old messages from being confused with the
reply of new ones.
Reviewed by: jhibbits
Sponsored by: Eldorado Research Institute (eldorado.org.br)
Differential Revision: https://reviews.freebsd.org/D24185
Notes:
svn path=/head/; revision=359329
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This allows replacing "sys/eventfilter.h" includes with "sys/_eventfilter.h"
in other header files (e.g., sys/{bus,conf,cpu}.h) and reduces header
pollution substantially.
EVENTHANDLER_DECLARE and EVENTHANDLER_LIST_DECLAREs were moved out of .c
files into appropriate headers (e.g., sys/proc.h, powernv/opal.h).
As a side effect of reduced header pollution, many .c files and headers no
longer contain needed definitions. The remainder of the patch addresses
adding appropriate includes to fix those files.
LOCK_DEBUG and LOCK_FILE_LINE_ARG are moved to sys/_lock.h, as required by
sys/mutex.h since r326106 (but silently protected by header pollution prior
to this change).
No functional change (intended). Of course, any out of tree modules that
relied on header pollution for sys/eventhandler.h, sys/lock.h, or
sys/mutex.h inclusion need to be fixed. __FreeBSD_version has been bumped.
Notes:
svn path=/head/; revision=347984
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* Crank the OPAL state machine during the receive loop, to make sure the
pollers are executed
* Add a proper detach function, so the module can be unloaded and reloaded
at runtime.
It still doesn't reliably work 100% of the time on POWER9, and it appears
timing and/or cache related. It may work on POWER8 now.
MFC after: 2 weeks
Notes:
svn path=/head/; revision=345791
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Fix a NULL dereference that would occur any time an ioctl() was done, due to a
missing ipmi_enqueue_request callback. Just use the default for now, until we
decide to properly enable IPMI interrupts.
Reported by: kbowling
Notes:
svn path=/head/; revision=337689
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This still only supports IPMI via OPAL on powerpc64, but now it can be tested
with a GENERIC kernel.
Notes:
svn path=/head/; revision=336724
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