diff options
| author |   Kleber Sacilotto de Souza <klebers@linux.vnet.ibm.com> | 2014-06-04 10:57:50 -0300 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-07-09 14:14:27 -0700 |
| commit | c1f732ad767e37bd1d41043cbdefc0874b4d05e5 (patch) | |
| tree | e4e80d6cd088b93acdb7d8078bb7d726a37f8ffc /Documentation | |
| parent | thunderbolt: Correct the size argument to devm_kzalloc (diff) | |
| download | linux-dev-c1f732ad767e37bd1d41043cbdefc0874b4d05e5.tar.xz linux-dev-c1f732ad767e37bd1d41043cbdefc0874b4d05e5.zip | |
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')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-driver-genwqe | 9 |
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 |