.TH "libnvme" 9 "struct tcg_l0_header" "October 2026" "API Manual" LINUX .SH NAME struct tcg_l0_header \- Level 0 Discovery header .SH SYNOPSIS struct tcg_l0_header { .br .BI " __be32 length;" .br .BI " __be32 revision;" .br .BI " __u8 rsvd8[8];" .br .BI " __u8 vs[32];" .br .BI " }; .br .SH Members .IP "length" 12 Length of the parameter data, excluding this field .IP "revision" 12 Data structure revision .IP "rsvd8" 12 Reserved .IP "vs" 12 Vendor specific .SH "Description" TCG Opal SSC 2.02, section 3.1.1.1.