libnvme(9) API Manual libnvme(9)

# [NAME](#NAME)

struct nvme\_reachability\_association\_desc - Reachability Association Descriptor

# [SYNOPSIS](#SYNOPSIS)

struct nvme\_reachability\_association\_desc {  
**\_\_le32 rasid;**  
**\_\_le32 nrid;**  
**\_\_le64 chngc;**  
**\_\_u8 rac;**  
**\_\_u8 rsvd17\[15];**  
**\_\_le32 rgid\[];**  
};

# [Members](#Members)

[rasid](#rasid)

Reachability Association ID

[nrid](#nrid)

Number of RGID Values

[chngc](#chngc)

Change Count

[rac](#rac)

Reachability Association Characteristics

[rsvd17](#rsvd17)

Reserved

[rgid](#rgid)

Reachability Group Identifier List

struct nvme\_reachability\_association\_desc October 2026

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