libnvme(9)

💖 NAME 💖 — struct nvme_mi_ctrl_health_status via libnvme(9) 💖

okay so bestie, welcome to the libnvme(9) API Manual page for struct nvme_mi_ctrl_health_status — aka the Controller Health Data Structure (CHDS). it's giving "controller health data, but make it a struct" and honestly? iconic ✨

🌸 SYNOPSIS 🌸

here's the struct in all its exact glory — no renames, no edits, no "trust me bestie" shortcuts:

struct nvme_mi_ctrl_health_status {
    __le16 ctlid;
    __le16 csts;
    __le16 ctemp;
    __u8 pdlu;
    __u8 spare;
    __u8 cwarn;
    __u8 chscf[2];
    __u8 rsvd11[5];
 };

🫶 Members 🫶

every member, in order, with the vibes and the facts:

• ctlid — Controller Identifier. the controller's identifier, periodt.
• csts — Controller Status. the controller's status, lowkey.
• ctemp — Composite Temperature. the composite temperature, literally.
• pdlu — Percentage Used. the percentage used, no cap.
• spare — Available Spare. the available spare, slay.
• cwarn — Critical Warning. the critical warning — pay attention, bestie.
• chscf — Controller Health Status Changed Flags (see enum nvme_mi_chscf). the flags for controller health status changes, iykyk.
• rsvd11 — Reserved. reserved — hands off, bestie.

that's the whole page, bestie 💋 — signing off from the October 2026 libnvme(9) edition of struct nvme_mi_ctrl_health_status. bye 🫶✨