Add a debugfs document description file to help users understand how to use the accelerator live migration driver's debugfs.
Signed-off-by: Longfang Liu liulongfang@huawei.com --- Documentation/ABI/testing/debugfs-hisi-migration | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) create mode 100644 Documentation/ABI/testing/debugfs-hisi-migration
diff --git a/Documentation/ABI/testing/debugfs-hisi-migration b/Documentation/ABI/testing/debugfs-hisi-migration new file mode 100644 index 000000000000..36f0882c3a52 --- /dev/null +++ b/Documentation/ABI/testing/debugfs-hisi-migration @@ -0,0 +1,16 @@ +What: /sys/kernel/debug/hisi_vfio_acc/<bdf>/state +Date: Sep 2022 +Contact: linux-kernel@vger.kernel.org +Description: Cat the status of the live migration of the current VF device. + The status of these live migrations includes: + Error, RUNNING, STOP, STOP and COPYING, RESUMING. + +What: /sys/kernel/debug/hisi_vfio_acc/<bdf>/debug +Date: Sep 2022 +Contact: linux-kernel@vger.kernel.org +Description: This debug file supports "cat" read operations and "echo" + write operations. The read debug file operation will return the + command description of the write operation. By writing different + commands, different test functions can be performed. + The specific operation method can be obtained through the + "cat debug" command.