Include documentation for existing ibmvnic sysfs files, currently only for "failover," which is used to swap the active hardware port to a backup port in redundant backing hardware or failover configurations.
Signed-off-by: Thomas Falcon <tlfal...@linux.ibm.com> --- Documentation/ABI/testing/sysfs-driver-ibmvnic | 14 ++++++++++++++ 1 file changed, 14 insertions(+) create mode 100644 Documentation/ABI/testing/sysfs-driver-ibmvnic diff --git a/Documentation/ABI/testing/sysfs-driver-ibmvnic b/Documentation/ABI/testing/sysfs-driver-ibmvnic new file mode 100644 index 0000000..7fa2920 --- /dev/null +++ b/Documentation/ABI/testing/sysfs-driver-ibmvnic @@ -0,0 +1,14 @@ +What: /sys/devices/vio/<our device>/failover +Date: June 2017 +KernelVersion: 4.13 +Contact: linuxppc-...@lists.ozlabs.org +Description: If the ibmvnic device has been configured with redundant + physical NIC ports, the user may write "1" to the failover + file to trigger a device failover, which will reset the + ibmvnic device and swap to a backup physical port. If no + redundant physical port has been configured for the device, + the device will not reset and -EINVAL is returned. If anything + other than "1" is written to the file, -EINVAL will also be + returned. +Users: Any users of the ibmvnic driver which use redundant hardware + configurations. -- 1.8.3.1
