On 2022/6/23 17:01, Greg KH wrote:
On Thu, Jun 23, 2022 at 02:14:51PM +0800, Kai Ye wrote:
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@xxxxxxxxxx>
---
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@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: 5.20
+Contact: linux-accelerators@xxxxxxxxxxxxxxxx
+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 is the "command"? What is being parsed? This needs to be
documented a lot more here, this is very vague and not obvious at all.
This command is a string command issued by the user. After the command
is configured, the acc driver parses the command.
+
+What: /sys/class/uacce/<dev_name>/isolate
+Date: Jun 2022
+KernelVersion: 5.20
+Contact: linux-accelerators@xxxxxxxxxxxxxxxx
+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.
Are these read-only? Write only? read/write?
this node is read-only
thanks,
greg k-h
.
Thanks
Kai
