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authorXie Yongji <xieyongji@bytedance.com>2022-05-24 14:51:42 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2022-06-27 17:42:52 +0300
commitafa8fe4cc40e197c99fc650113bb96d26091648a (patch)
treee16fd0857c0982576c7ca6e3c884752d319d3799 /Documentation/ABI
parent44fd1917314e9d4f53dd95dd65df1c152f503d3a (diff)
downloadlinux-afa8fe4cc40e197c99fc650113bb96d26091648a.tar.xz
Docs/ABI/testing: Add VDUSE sysfs interface ABI document
This adds missing documentation for VDUSE sysfs interface ABI under Documentation/ABI/testing. Signed-off-by: Xie Yongji <xieyongji@bytedance.com> Acked-by: Jason Wang <jasowang@redhat.com> Link: https://lore.kernel.org/r/20220524115143.187-1-xieyongji@bytedance.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'Documentation/ABI')
-rw-r--r--Documentation/ABI/testing/sysfs-class-vduse33
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diff --git a/Documentation/ABI/testing/sysfs-class-vduse b/Documentation/ABI/testing/sysfs-class-vduse
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+What: /sys/class/vduse/
+Date: Oct 2021
+KernelVersion: 5.15
+Contact: Yongji Xie <xieyongji@bytedance.com>
+Description:
+ The vduse/ class sub-directory belongs to the VDUSE
+ framework and provides a sysfs interface for configuring
+ VDUSE devices.
+
+What: /sys/class/vduse/control/
+Date: Oct 2021
+KernelVersion: 5.15
+Contact: Yongji Xie <xieyongji@bytedance.com>
+Description:
+ This directory entry is created for the control device
+ of VDUSE framework.
+
+What: /sys/class/vduse/<device-name>/
+Date: Oct 2021
+KernelVersion: 5.15
+Contact: Yongji Xie <xieyongji@bytedance.com>
+Description:
+ This directory entry is created when a VDUSE device is
+ created via the control device.
+
+What: /sys/class/vduse/<device-name>/msg_timeout
+Date: Oct 2021
+KernelVersion: 5.15
+Contact: Yongji Xie <xieyongji@bytedance.com>
+Description:
+ (RW) The timeout (in seconds) for waiting for the control
+ message's response from userspace. Default value is 30s.
+ Writing a '0' to the file means to disable the timeout.