1*4882a593SmuzhiyunWhat: /sys/class/chromeos/<ec-device-name>/vbc/vboot_context 2*4882a593SmuzhiyunDate: October 2015 3*4882a593SmuzhiyunKernelVersion: 4.4 4*4882a593SmuzhiyunDescription: 5*4882a593Smuzhiyun Read/write the verified boot context data included on a 6*4882a593Smuzhiyun small nvram space on some EC implementations. 7