libnvme(9) API Manual libnvme(9)

# [NAME](#NAME)

struct nvme\_id\_domain\_attr - Domain Attributes Entry

# [SYNOPSIS](#SYNOPSIS)

struct nvme\_id\_domain\_attr {  
**\_\_le16 dom\_id;**  
**\_\_u8 rsvd2\[14];**  
**\_\_u8 dom\_cap\[16];**  
**\_\_u8 unalloc\_dom\_cap\[16];**  
**\_\_u8 max\_egrp\_dom\_cap\[16];**  
**\_\_u8 rsvd64\[64];**  
};

# [Members](#Members)

[dom\_id](#dom_id)

Domain Identifier

[rsvd2](#rsvd2)

Reserved

[dom\_cap](#dom_cap)

Total Domain Capacity

[unalloc\_dom\_cap](#unalloc_dom_cap)

Unallocated Domain Capacity

[max\_egrp\_dom\_cap](#max_egrp_dom_cap)

Max Endurance Group Domain Capacity

[rsvd64](#rsvd64)

Reserved

struct nvme\_id\_domain\_attr October 2026

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