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

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

Signed-off-by: Kai Ye <yekai13@xxxxxxxxxx>
 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@xxxxxxxxxxxxxxxx
 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@xxxxxxxxxxxxxxxx
+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@xxxxxxxxxxxxxxxx
+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

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