libnvme(9) API Manual libnvme(9)

# [NAME](#NAME)

struct nvme\_lm\_controller\_state\_data\_header - Controller State data header structure describes the contents of the Controller State data

# [SYNOPSIS](#SYNOPSIS)

struct nvme\_lm\_controller\_state\_data\_header {  
**\_\_le16 ver;**  
**\_\_u8 csattr;**  
**\_\_u8 rsvd3\[13];**  
**\_\_u8 nvmecss\[16];**  
**\_\_u8 vss\[16];**  
};

# [Members](#Members)

[ver](#ver)

Version of this data structure

[csattr](#csattr)

Controller state attributes

[rsvd3](#rsvd3)

Reserved

[nvmecss](#nvmecss)

NVMe Controller state size in dwords

[vss](#vss)

Vendor specific size in dowrds

struct nvme\_lm\_controller\_state\_data\_header October 2026

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