[PATCH v2 2/2] Documentation: Add debugfs for hisi_acc_vfio_pci

From: Longfang Liu
Date: Wed Oct 19 2022 - 04:12:19 EST


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@xxxxxxxxxx>
---
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@xxxxxxxxxxxxxxx
+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@xxxxxxxxxxxxxxx
+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.
--
2.24.0