libnvme(9) API Manual libnvme(9)

# [NAME](#NAME)

struct nvme\_capacity\_config\_desc - Capacity Configuration structure definitions

# [SYNOPSIS](#SYNOPSIS)

struct nvme\_capacity\_config\_desc {  
**\_\_le16 cap\_config\_id;**  
**\_\_le16 domainid;**  
**\_\_le16 egcn;**  
**\_\_u8 rsvd6\[26];**  
**struct nvme\_end\_grp\_config\_desc egcd\[];**  
};

# [Members](#Members)

[cap\_config\_id](#cap_config_id)

Capacity Configuration Identifier

[domainid](#domainid)

Domain Identifier

[egcn](#egcn)

Number Endurance Group Configuration Descriptors

[rsvd6](#rsvd6)

Reserved

[egcd](#egcd)

Endurance Group Config descriptors. See *struct* nvme\_end\_grp\_config\_desc

struct nvme\_capacity\_config\_desc October 2026

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