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What:		/sys/class/issei/
Date:		June 2026
KernelVersion:	7.2
Contact:	Alexander Usyskin <alexander.usyskin@intel.com>
Description:
		The issei/ class sub-directory belongs to issei device class

What:		/sys/class/issei/issei<N>/
Date:		June 2026
KernelVersion:	7.2
Contact:	Alexander Usyskin <alexander.usyskin@intel.com>
Description:
		The /sys/class/issei/isseiN directory is created for
		each probed issei device

What:		/sys/class/issei/issei<N>/fw_ver
Date:		June 2026
KernelVersion:	7.2
Contact:	Alexander Usyskin <alexander.usyskin@intel.com>
Description:	Display the ISSE firmware version.

		The version of the ISSE firmware is in format:
		<major>.<minor>.<milestone>.<build_no>.

What:		/sys/class/issei/issei<N>/fw_clients
Date:		June 2026
KernelVersion:	7.2
Contact:	Alexander Usyskin <alexander.usyskin@intel.com>
Description:
		The fw_clients directory stores all firmware clients on the
		probed issei device

What:		/sys/class/issei/issei<N>/fw_clients/<M>
Date:		June 2026
KernelVersion:	7.2
Contact:	Alexander Usyskin <alexander.usyskin@intel.com>
Description:
		The /sys/class/issei/isseiN/fw_client/M directory is created for
		each firmware client on the probed issei device where M is the
		id of firmware client.

What:		/sys/class/issei/issei<N>/fw_clients/<M>/id
Date:		June 2026
KernelVersion:	7.2
Contact:	Alexander Usyskin <alexander.usyskin@intel.com>
Description:    Displays id of the firmware client

		The id of firmware client is it's number in client enumeration order,
		starting from 1.

What:		/sys/class/issei/issei<N>/fw_clients/<M>/uuid
Date:		June 2026
KernelVersion:	7.2
Contact:	Alexander Usyskin <alexander.usyskin@intel.com>
Description:    Displays uuid of the firmware client

		The universally unique identifier of the firmware client

What:		/sys/class/issei/issei<N>/fw_clients/<M>/mtu
Date:		June 2026
KernelVersion:	7.2
Contact:	Alexander Usyskin <alexander.usyskin@intel.com>
Description:    Displays maximum transmission unit of the firmware client

		The maximum transmission unit (in bytes) used by the firmware client.

What:		/sys/class/issei/issei<N>/fw_clients/<M>/ver
Date:		June 2026
KernelVersion:	7.2
Contact:	Alexander Usyskin <alexander.usyskin@intel.com>
Description:    Displays version of the firmware client

		The version of the firmware client