libnvme(9) API Manual libnvme(9)

# [NAME](#NAME)

struct nvmf\_discovery\_log - Discovery Log Page (Log Identifier 70h)

# [SYNOPSIS](#SYNOPSIS)

struct nvmf\_discovery\_log {  
**\_\_le64 genctr;**  
**\_\_le64 numrec;**  
**\_\_le16 recfmt;**  
**\_\_u8 rsvd14\[1006];**  
**struct nvmf\_disc\_log\_entry entries\[];**  
};

# [Members](#Members)

[genctr](#genctr)

Generation Counter (GENCTR): Indicates the version of the discovery information, starting at a value of 0h. For each change in the Discovery Log Page, this counter is incremented by one. If the value of this field is FFFFFFFF\_FFFFFFFFh, then the field shall be cleared to 0h when incremented (i.e., rolls over to 0h).

[numrec](#numrec)

Number of Records (NUMREC): Indicates the number of records contained in the log.

[recfmt](#recfmt)

Record Format (RECFMT): Specifies the format of the Discovery Log Page. If a new format is defined, this value is incremented by one. The format of the record specified in this definition shall be 0h.

[rsvd14](#rsvd14)

Reserved

[entries](#entries)

Discovery Log Page Entries - see *struct nvmf\_disc\_log\_entry*.

struct nvmf\_discovery\_log October 2026

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Document: nvmf_discovery_log-libnvme3(2) from nvme-cli 3.2-r0 (Chainguard OS)
Source: https://github.com/linux-nvme/nvme-cli