NAME

       struct nvme_mi_admin_req_hdr - Admin command request header.

SYNOPSIS

       struct nvme_mi_admin_req_hdr {
           struct nvme_mi_msg_hdr hdr;
           __u8 opcode;
           __u8 flags;
           __le16 ctrl_id;
           __le32 cdw1, cdw2, cdw3, cdw4, cdw5;
           __le32 doff;
           __le32 dlen;
           __le32 rsvd0, rsvd1;
           __le32 cdw10, cdw11, cdw12, cdw13, cdw14, cdw15;
        };

Members

       hdr         Generic MI message header

       opcode      Admin command opcode (using enum nvme_admin_opcode)

       flags       Command  Flags,  indicating  dlen  and  doff validity; Only defined in NVMe-MI
                   version 1.1, no  fields  defined  in  1.2  (where  the  dlen/doff  are  always
                   considered valid).

       ctrl_id     Controller ID target of command

       cdw1        Submission Queue Entry doubleword 1

       cdw2        Submission Queue Entry doubleword 2

       cdw3        Submission Queue Entry doubleword 3

       cdw4        Submission Queue Entry doubleword 4

       cdw5        Submission Queue Entry doubleword 5

       doff        Offset of data to return from command

       dlen        Length of sent/returned data

       rsvd0       Reserved

       rsvd1       Reserved

       cdw10       Submission Queue Entry doubleword 10

       cdw11       Submission Queue Entry doubleword 11

       cdw12       Submission Queue Entry doubleword 12

       cdw13       Submission Queue Entry doubleword 13

       cdw14       Submission Queue Entry doubleword 14

       cdw15       Submission Queue Entry doubleword 15

Description

       Wire format for Admin command message headers, defined in section 6 of NVMe-MI.