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

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Date:   Tue, 14 Jun 2022 20:23:10 +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 2/3] Documentation: add a isolation strategy vfs node for uacce

Update documentation describing DebugFS that could help to
configure hard error frequency for users in th user space.

Signed-off-by: Kai Ye <yekai13@...wei.com>
---
 Documentation/ABI/testing/sysfs-driver-uacce | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/Documentation/ABI/testing/sysfs-driver-uacce b/Documentation/ABI/testing/sysfs-driver-uacce
index 08f2591138af..0c4226364182 100644
--- a/Documentation/ABI/testing/sysfs-driver-uacce
+++ b/Documentation/ABI/testing/sysfs-driver-uacce
@@ -19,6 +19,23 @@ 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:  5.19
+Contact:        linux-accelerators@...ts.ozlabs.org
+Description:    A vfs node that used to configures the hardware
+                error frequency. This frequency is abstract. Like once an hour
+                or once a day. The specific isolation strategy can be defined in
+                each driver module.
+
+What:           /sys/class/uacce/<dev_name>/isolate
+Date:           Jun 2022
+KernelVersion:  5.19
+Contact:        linux-accelerators@...ts.ozlabs.org
+Description:    A vfs 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