linux-kernel - [PATCH v4 2/3] Documentation: add a isolation strategy sysfs node for uacce

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Message-ID: <20220623061452.40732-3-yekai13@huawei.com>
Date:   Thu, 23 Jun 2022 14:14:51 +0800
From:   Kai Ye <yekai13@...wei.com>
To:     <gregkh@...uxfoundation.org>, <herbert@...dor.apana.org.au>
CC:     <linux-crypto@...r.kernel.org>,
        <linux-accelerators@...ts.ozlabs.org>,
        <linux-kernel@...r.kernel.org>, <linuxarm@...wei.com>,
        <zhangfei.gao@...aro.org>, <wangzhou1@...ilicon.com>,
        <yekai13@...wei.com>
Subject: [PATCH v4 2/3] Documentation: add a isolation strategy sysfs node for uacce

Update documentation describing sysfs node that could help to
configure isolation method command for users in th user space.

Signed-off-by: Kai Ye <yekai13@...wei.com>
---
 Documentation/ABI/testing/sysfs-driver-uacce | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/Documentation/ABI/testing/sysfs-driver-uacce b/Documentation/ABI/testing/sysfs-driver-uacce
index 08f2591138af..8784efa96e01 100644
--- a/Documentation/ABI/testing/sysfs-driver-uacce
+++ b/Documentation/ABI/testing/sysfs-driver-uacce
@@ -19,6 +19,24 @@ Contact:        linux-accelerators@...ts.ozlabs.org
 Description:    Available instances left of the device
                 Return -ENODEV if uacce_ops get_available_instances is not provided
 
+What:           /sys/class/uacce/<dev_name>/isolate_strategy
+Date:           Jun 2022
+KernelVersion:  5.20
+Contact:        linux-accelerators@...ts.ozlabs.org
+Description:    A sysfs node that used to configures the hardware error
+                isolation method command. The command can be parsed
+                in correct driver. e.g. If the device slot reset frequency
+                exceeds the preset value in a time window, the device will be
+                isolated.
+
+What:           /sys/class/uacce/<dev_name>/isolate
+Date:           Jun 2022
+KernelVersion:  5.20
+Contact:        linux-accelerators@...ts.ozlabs.org
+Description:    A sysfs node that show the device isolated state. The value 0
+                means that the device is working. The value 1 means that the
+                device has been isolated.
+
 What:           /sys/class/uacce/<dev_name>/algorithms
 Date:           Feb 2020
 KernelVersion:  5.7
-- 
2.33.0