libnvme(2)

💖 libnvme(2) — API Manual 💖

okay so bestie, sit down, hydrate, because we're talking about enum nvme_id_ctrl_ctratt — that's the Controller attributes enum from libnvme, and she is lowkey a whole vibe check for your NVMe controller. every single one of these constants is a "yes queen, I support that" bit that a controller can advertise about herself. let's get into it 🦋

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✨ NAME ✨

enum nvme_id_ctrl_ctratt — Controller attributes 👑

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🌸 SYNOPSIS 🌸

enum nvme_id_ctrl_ctratt {
    NVME_CTRL_CTRATT_128_ID ,
    NVME_CTRL_CTRATT_NON_OP_PSP ,
    NVME_CTRL_CTRATT_NVM_SETS ,
    NVME_CTRL_CTRATT_READ_RECV_LVLS ,
    NVME_CTRL_CTRATT_ENDURANCE_GROUPS ,
    NVME_CTRL_CTRATT_PREDICTABLE_LAT ,
    NVME_CTRL_CTRATT_TBKAS ,
    NVME_CTRL_CTRATT_NAMESPACE_GRANULARITY ,
    NVME_CTRL_CTRATT_SQ_ASSOCIATIONS ,
    NVME_CTRL_CTRATT_UUID_LIST ,
    NVME_CTRL_CTRATT_MDS ,
    NVME_CTRL_CTRATT_FIXED_CAP ,
    NVME_CTRL_CTRATT_VARIABLE_CAP ,
    NVME_CTRL_CTRATT_DEL_ENDURANCE_GROUPS ,
    NVME_CTRL_CTRATT_DEL_NVM_SETS ,
    NVME_CTRL_CTRATT_ELBAS ,
    NVME_CTRL_CTRATT_MEM ,
    NVME_CTRL_CTRATT_HMBR ,
    NVME_CTRL_CTRATT_RHII ,
    NVME_CTRL_CTRATT_FDPS

};

like yes, that's the whole roster, no notes 💅

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🎀 Constants 🎀

bestie these are the members, and each one is basically a lil flag saying "I can do this". here's the full lineup, no skips, no skips allowed:

• NVME_CTRL_CTRATT_128_ID — 128-bit Host Identifier supported ✨
• NVME_CTRL_CTRATT_NON_OP_PSP — Non-Operational Poser State Permissive Mode supported 💀 (yes, that's literally how it's spelled in the source, we don't fix, we report)
• NVME_CTRL_CTRATT_NVM_SETS — NVM Sets supported 🌸
• NVME_CTRL_CTRATT_READ_RECV_LVLS — Read Recovery Levels supported 🫶
• NVME_CTRL_CTRATT_ENDURANCE_GROUPS — Endurance Groups supported 💪
• NVME_CTRL_CTRATT_PREDICTABLE_LAT — Predictable Latency Mode supported ⏱️
• NVME_CTRL_CTRATT_TBKAS — Traffic Based Keep Alive Support 🫀
• NVME_CTRL_CTRATT_NAMESPACE_GRANULARITY — Namespace Granularity reporting supported 🔍
• NVME_CTRL_CTRATT_SQ_ASSOCIATIONS — SQ Associations supported 🔗
• NVME_CTRL_CTRATT_UUID_LIST — UUID List reporting supported 🆔
• NVME_CTRL_CTRATT_MDS — Multi-Domain Subsystem supported 🌐
• NVME_CTRL_CTRATT_FIXED_CAP — Fixed Capacity Management supported 🧱
• NVME_CTRL_CTRATT_VARIABLE_CAP — Variable Capacity Management supported 🎈
• NVME_CTRL_CTRATT_DEL_ENDURANCE_GROUPS — Delete Endurance Groups supported 🗑️
• NVME_CTRL_CTRATT_DEL_NVM_SETS — Delete NVM Sets supported 🧹
• NVME_CTRL_CTRATT_ELBAS — Extended LBA Formats supported 📐
• NVME_CTRL_CTRATT_MEM — MDTS and Size Limits Exclude Metadata supported 🧠
• NVME_CTRL_CTRATT_HMBR — HMB Restrict Non-Operational Power State Access 🔋
• NVME_CTRL_CTRATT_RHII — Reservations and Host Identifier Interaction 🤝
• NVME_CTRL_CTRATT_FDPS — Flexible Data Placement supported 🧚

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fr fr bestie, that's 20 constants, count 'em, all of them present and accounted for. no cap. 🫶

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and that's the whole page, mwah 💋 this was enum nvme_id_ctrl_ctratt from the libnvme(2) API Manual, dated July 2026 — she ate, she left no crumbs, periodt. 👑💅