162306a36Sopenharmony_ciWhat:		/sys/class/vduse/
262306a36Sopenharmony_ciDate:		Oct 2021
362306a36Sopenharmony_ciKernelVersion:	5.15
462306a36Sopenharmony_ciContact:	Yongji Xie <xieyongji@bytedance.com>
562306a36Sopenharmony_ciDescription:
662306a36Sopenharmony_ci		The vduse/ class sub-directory belongs to the VDUSE
762306a36Sopenharmony_ci		framework and provides a sysfs interface for configuring
862306a36Sopenharmony_ci		VDUSE devices.
962306a36Sopenharmony_ci
1062306a36Sopenharmony_ciWhat:		/sys/class/vduse/control/
1162306a36Sopenharmony_ciDate:		Oct 2021
1262306a36Sopenharmony_ciKernelVersion:	5.15
1362306a36Sopenharmony_ciContact:	Yongji Xie <xieyongji@bytedance.com>
1462306a36Sopenharmony_ciDescription:
1562306a36Sopenharmony_ci		This directory entry is created for the control device
1662306a36Sopenharmony_ci		of VDUSE framework.
1762306a36Sopenharmony_ci
1862306a36Sopenharmony_ciWhat:		/sys/class/vduse/<device-name>/
1962306a36Sopenharmony_ciDate:		Oct 2021
2062306a36Sopenharmony_ciKernelVersion:	5.15
2162306a36Sopenharmony_ciContact:	Yongji Xie <xieyongji@bytedance.com>
2262306a36Sopenharmony_ciDescription:
2362306a36Sopenharmony_ci		This directory entry is created when a VDUSE device is
2462306a36Sopenharmony_ci		created via the control device.
2562306a36Sopenharmony_ci
2662306a36Sopenharmony_ciWhat:		/sys/class/vduse/<device-name>/msg_timeout
2762306a36Sopenharmony_ciDate:		Oct 2021
2862306a36Sopenharmony_ciKernelVersion:	5.15
2962306a36Sopenharmony_ciContact:	Yongji Xie <xieyongji@bytedance.com>
3062306a36Sopenharmony_ciDescription:
3162306a36Sopenharmony_ci		(RW) The timeout (in seconds) for waiting for the control
3262306a36Sopenharmony_ci		message's response from userspace. Default value is 30s.
3362306a36Sopenharmony_ci		Writing a '0' to the file means to disable the timeout.
34