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authorKleber Sacilotto de Souza <klebers@linux.vnet.ibm.com>2014-06-04 10:57:50 -0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2014-07-09 14:14:27 -0700
commitc1f732ad767e37bd1d41043cbdefc0874b4d05e5 (patch)
treee4e80d6cd088b93acdb7d8078bb7d726a37f8ffc /Documentation/ABI
parentfc51768ba24077c8148067036e1555a8a978bb99 (diff)
GenWQE: Add sysfs interface for bitstream reload
This patch adds an interface on sysfs for userspace to request a card bitstream reload. It sets the appropriate register and try to perform a fundamental reset on the PCIe slot for the card to reload the bitstream from the chosen partition. Signed-off-by: Kleber Sacilotto de Souza <klebers@linux.vnet.ibm.com> Acked-by: Frank Haverkamp <haver@linux.vnet.ibm.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'Documentation/ABI')
-rw-r--r--Documentation/ABI/testing/sysfs-driver-genwqe9
1 files changed, 9 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-driver-genwqe b/Documentation/ABI/testing/sysfs-driver-genwqe
index 1870737a1f5e..64ac6d567c4b 100644
--- a/Documentation/ABI/testing/sysfs-driver-genwqe
+++ b/Documentation/ABI/testing/sysfs-driver-genwqe
@@ -25,6 +25,15 @@ Date: Oct 2013
Contact: haver@linux.vnet.ibm.com
Description: Interface to set the next bitstream to be used.
+What: /sys/class/genwqe/genwqe<n>_card/reload_bitstream
+Date: May 2014
+Contact: klebers@linux.vnet.ibm.com
+Description: Interface to trigger a PCIe card reset to reload the bitstream.
+ sudo sh -c 'echo 1 > \
+ /sys/class/genwqe/genwqe0_card/reload_bitstream'
+ If successfully, the card will come back with the bitstream set
+ on 'next_bitstream'.
+
What: /sys/class/genwqe/genwqe<n>_card/tempsens
Date: Oct 2013
Contact: haver@linux.vnet.ibm.com