libnvme(9) API Manual libnvme(9)

# [NAME](#NAME)

struct nvme\_lm\_io\_submission\_queue\_data - I/O Submission Queue data structure. Fields related to the contents of Create I/O Submission Queue command that created an I/O Submission Queue.

# [SYNOPSIS](#SYNOPSIS)

struct nvme\_lm\_io\_submission\_queue\_data {  
**\_\_le64 iosqprp1;**  
**\_\_le16 iosqqsize;**  
**\_\_le16 iosqqid;**  
**\_\_le16 iosqcqid;**  
**\_\_le16 iosqa;**  
**\_\_le16 iosqhp;**  
**\_\_le16 iosqtp;**  
**\_\_u8 rsvd20\[4];**  
};

# [Members](#Members)

[iosqprp1](#iosqprp1)

I/O Submission PRP Entry 1 (IOSQPRP1)

[iosqqsize](#iosqqsize)

I/O Submission Queue Size (IOSQQSIZE)

[iosqqid](#iosqqid)

I/O Submission Queue Identifier (IOSQQID)

[iosqcqid](#iosqcqid)

I/O Completion Queue Identifier (IOSQCQID)

[iosqa](#iosqa)

I/O Submission Queue Attributes (IOSQA)

[iosqhp](#iosqhp)

I/O Submission Queue Head Pointer (IOSQHP)

[iosqtp](#iosqtp)

I/O Submission Queue Tail Pointer (IOSQTP)

[rsvd20](#rsvd20)

Reserved

struct nvme\_lm\_io\_submission\_queue\_data October 2026

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