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[2/3] Documentation: update debugfs doc for Hisilicon ZIP

Message ID 20211225062718.41155-3-yekai13@huawei.com (mailing list archive)
State Changes Requested
Delegated to: Herbert Xu
Headers show
Series Documentation: update debugfs doc for Hisilicon Accelerator | expand

Commit Message

yekai (A) Dec. 25, 2021, 6:27 a.m. UTC 
Update documentation describing DebugFS for function's QoS limiting.

Signed-off-by: Kai Ye <yekai13@huawei.com>
---
 Documentation/ABI/testing/debugfs-hisi-zip | 10 ++++++++++
 1 file changed, 10 insertions(+)
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Patch

diff --git a/Documentation/ABI/testing/debugfs-hisi-zip b/Documentation/ABI/testing/debugfs-hisi-zip
index 3034a2bf99ca..aff2edc24c94 100644
--- a/Documentation/ABI/testing/debugfs-hisi-zip
+++ b/Documentation/ABI/testing/debugfs-hisi-zip
@@ -26,6 +26,16 @@  Description:    One ZIP controller has one PF and multiple VFs, each function
 		has a QM. Select the QM which below qm refers to.
 		Only available for PF.
 
+What:           /sys/kernel/debug/hisi_zip/<bdf>/alg_qos
+Date:           Jun 2021
+Contact:        linux-crypto@vger.kernel.org
+Description:	The <bdf> is related the function for PF and VF.
+		ZIP driver supports to configure each function's QoS, the driver
+		supports to write <bdf> value to alg_qos in the host. Such as
+		"echo <bdf> value > alg_qos". The qos value is 1~1000, means
+		1/1000~1000/1000 of total QoS. The driver reading alg_qos to
+		get related QoS in the host and VM, Such as "cat alg_qos".
+
 What:           /sys/kernel/debug/hisi_zip/<bdf>/qm/regs
 Date:           Nov 2018
 Contact:        linux-crypto@vger.kernel.org