linux-kernel - [PATCH v6 2/3] Documentation: add a isolation strategy sysfs node for uacce

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Date:   Sat, 30 Jul 2022 16:32:45 +0800
From:   Kai Ye <yekai13@...wei.com>
To:     <gregkh@...uxfoundation.org>, <herbert@...dor.apana.org.au>
CC:     <linux-crypto@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <wangzhou1@...ilicon.com>, <liulongfang@...wei.com>,
        <yekai13@...wei.com>
Subject: [PATCH v6 2/3] Documentation: add a isolation strategy sysfs node for uacce

Update documentation describing sysfs node that could help to
configure isolation strategy for users in the user space. And
describing sysfs node that could read the device isolated state.

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..1601f9dac29c 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:           Jul 2022
+KernelVersion:  5.20
+Contact:        linux-accelerators@...ts.ozlabs.org
+Description:    (RW) Configure the frequency size for the hardware error
+                isolation strategy. This size is a configured integer value.
+                The default is 0. The maximum value is 65535. This value is a
+                threshold based on your driver handling strategy.
+
+What:           /sys/class/uacce/<dev_name>/isolate
+Date:           Jul 2022
+KernelVersion:  5.20
+Contact:        linux-accelerators@...ts.ozlabs.org
+Description:    (R) A sysfs node that read the device isolated state. The value 1
+                means the device is unavailable. The 0 means the device is
+                available.
+
 What:           /sys/class/uacce/<dev_name>/algorithms
 Date:           Feb 2020
 KernelVersion:  5.7
-- 
2.33.0