]> git.baikalelectronics.ru Git - kernel.git/commit
projects / kernel.git / commit
? search:
summary | shortlog | log | commit | commitdiff | tree
(parent: e56cb41) | patch
powerpc/powernv: Add OPAL message log interface
authorJoel Stanley <joel@jms.id.au>
Tue, 1 Apr 2014 03:58:19 +0000 (14:28 +1030)
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>
Wed, 9 Apr 2014 02:53:19 +0000 (12:53 +1000)
commit17d67e77f519f934d825f6deed58e3b0b043e78d
treea2429363b192b759a0d4d27c8403f062a6fbbaf3tree | snapshot
parente56cb41992a5a64db52d68f2a8260be51713bc30commit | diff
powerpc/powernv: Add OPAL message log interface

OPAL provides an in-memory circular buffer containing a message log
populated with various runtime messages produced by the firmware.

Provide a sysfs interface /sys/firmware/opal/msglog for userspace to
view the messages.

Signed-off-by: Joel Stanley <joel@jms.id.au>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
arch/powerpc/include/asm/opal.h diff | blob | history
arch/powerpc/platforms/powernv/Makefile diff | blob | history
arch/powerpc/platforms/powernv/opal-msglog.c [new file with mode: 0644] blob
arch/powerpc/platforms/powernv/opal.c diff | blob | history
Linux Kernel Source Tree.