libnvme(9) API Manual libnvme(9)

# [NAME](#NAME)

struct nvme\_mi\_nvm\_ss\_health\_status - Subsystem Management Data Structure

# [SYNOPSIS](#SYNOPSIS)

struct nvme\_mi\_nvm\_ss\_health\_status {  
**\_\_u8 nss;**  
**\_\_u8 sw;**  
**\_\_u8 ctemp;**  
**\_\_u8 pdlu;**  
**\_\_le16 ccsf;**  
**\_\_u8 rsvd8\[2];**  
};

# [Members](#Members)

[nss](#nss)

NVM Subsystem Status (see *enum nvme\_mi\_nss*)

[sw](#sw)

Smart Warnings (see *enum nvme\_mi\_sw*)

[ctemp](#ctemp)

Composite Temperature

[pdlu](#pdlu)

Percentage Drive Life Used

[ccsf](#ccsf)

Composite Controller Status Flags (see *enum nvme\_mi\_ccsf*)

[rsvd8](#rsvd8)

Reserved

struct nvme\_mi\_nvm\_ss\_health\_status October 2026

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