libnvme(9) API Manual libnvme(9)

# [NAME](#NAME)

struct nvme\_mi\_port\_pcie - PCIe Port Specific Data

# [SYNOPSIS](#SYNOPSIS)

struct nvme\_mi\_port\_pcie {  
**\_\_u8 mps;**  
**\_\_u8 sls;**  
**\_\_u8 cls;**  
**\_\_u8 mlw;**  
**\_\_u8 nlw;**  
**\_\_u8 pn;**  
**\_\_u8 rsvd14\[18];**  
};

# [Members](#Members)

[mps](#mps)

PCIe Maximum Payload Size

[sls](#sls)

PCIe Supported Link Speeds Vector

[cls](#cls)

PCIe Current Link Speed

[mlw](#mlw)

PCIe Maximum Link Width

[nlw](#nlw)

PCIe Negotiated Link Width

[pn](#pn)

PCIe Port Number

[rsvd14](#rsvd14)

Reserved

struct nvme\_mi\_port\_pcie October 2026

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