1What: /sys/class/issei/ 2Date: June 2026 3KernelVersion: 7.2 4Contact: Alexander Usyskin <alexander.usyskin@intel.com> 5Description: 6 The issei/ class sub-directory belongs to issei device class 7 8What: /sys/class/issei/issei<N>/ 9Date: June 2026 10KernelVersion: 7.2 11Contact: Alexander Usyskin <alexander.usyskin@intel.com> 12Description: 13 The /sys/class/issei/isseiN directory is created for 14 each probed issei device 15 16What: /sys/class/issei/issei<N>/fw_ver 17Date: June 2026 18KernelVersion: 7.2 19Contact: Alexander Usyskin <alexander.usyskin@intel.com> 20Description: Display the ISSE firmware version. 21 22 The version of the ISSE firmware is in format: 23 <major>.<minor>.<milestone>.<build_no>. 24 25What: /sys/class/issei/issei<N>/fw_clients 26Date: June 2026 27KernelVersion: 7.2 28Contact: Alexander Usyskin <alexander.usyskin@intel.com> 29Description: 30 The fw_clients directory stores all firmware clients on the 31 probed issei device 32 33What: /sys/class/issei/issei<N>/fw_clients/<M> 34Date: June 2026 35KernelVersion: 7.2 36Contact: Alexander Usyskin <alexander.usyskin@intel.com> 37Description: 38 The /sys/class/issei/isseiN/fw_client/M directory is created for 39 each firmware client on the probed issei device where M is the 40 id of firmware client. 41 42What: /sys/class/issei/issei<N>/fw_clients/<M>/id 43Date: June 2026 44KernelVersion: 7.2 45Contact: Alexander Usyskin <alexander.usyskin@intel.com> 46Description: Displays id of the firmware client 47 48 The id of firmware client is it's number in client enumeration order, 49 starting from 1. 50 51What: /sys/class/issei/issei<N>/fw_clients/<M>/uuid 52Date: June 2026 53KernelVersion: 7.2 54Contact: Alexander Usyskin <alexander.usyskin@intel.com> 55Description: Displays uuid of the firmware client 56 57 The universally unique identifier of the firmware client 58 59What: /sys/class/issei/issei<N>/fw_clients/<M>/mtu 60Date: June 2026 61KernelVersion: 7.2 62Contact: Alexander Usyskin <alexander.usyskin@intel.com> 63Description: Displays maximum transmission unit of the firmware client 64 65 The maximum transmission unit (in bytes) used by the firmware client. 66 67What: /sys/class/issei/issei<N>/fw_clients/<M>/ver 68Date: June 2026 69KernelVersion: 7.2 70Contact: Alexander Usyskin <alexander.usyskin@intel.com> 71Description: Displays version of the firmware client 72 73 The version of the firmware client 74