[PATCH 05/11] Documentation: update debugfs doc for Hisilicon HPRE

[Kai Ye]

Update documentation describing DebugFS that could help
to check the change of register values.

Signed-off-by: Kai Ye <yekai13@xxxxxxxxxx>
---
 Documentation/ABI/testing/debugfs-hisi-hpre | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/Documentation/ABI/testing/debugfs-hisi-hpre b/Documentation/ABI/testing/debugfs-hisi-hpre
index 396de7bc735d..82abf92df429 100644
--- a/Documentation/ABI/testing/debugfs-hisi-hpre
+++ b/Documentation/ABI/testing/debugfs-hisi-hpre
@@ -104,6 +104,20 @@ Description:	Dump the status of the QM.
 		Four states: initiated, started, stopped and closed.
 		Available for both PF and VF, and take no other effect on HPRE.
 
+What:		/sys/kernel/debug/hisi_hpre/<bdf>/qm/diff_regs
+Date:		Mar 2022
+Contact:	linux-crypto@xxxxxxxxxxxxxxx
+Description:	QM debug registers(regs) read hardware register value. This
+		node is used to show the change of the qm register values. This
+		node can be help users to check the change of register values.
+
+What:		/sys/kernel/debug/hisi_hpre/<bdf>/hpre_dfx/diff_regs
+Date:		Mar 2022
+Contact:	linux-crypto@xxxxxxxxxxxxxxx
+Description:	HPRE debug registers(regs) read hardware register value. This
+		node is used to show the change of the register values. This
+		node can be help users to check the change of register values.
+
 What:		/sys/kernel/debug/hisi_hpre/<bdf>/hpre_dfx/send_cnt
 Date:		Apr 2020
 Contact:	linux-crypto@xxxxxxxxxxxxxxx
-- 
2.33.0