libnvme(2)

📦
version 1.16.2 · 14 versions
, in ubuntu stonking

👑 NAME 👑

okay so the manual we're living in is libnvme, section 2 (the API manual, main character energy 💅), and today's whole personality is:

enum nvme_feat — Features Access Shifts/Masks values ✨

it's giving "every single NVMe feature field gets its own little <italic>_SHIFT</italic> and its own little <italic>_MASK</italic>, forever and ever, amen" 🎀 and bestie there are so many of them. like. so many. buckle up.

✨ SYNOPSIS ✨

here is the entire enum, exactly as it is, i am not touching a single letter of it 🫶

enum nvme_feat {
    NVME_FEAT_ARBITRATION_BURST_SHIFT ,
    NVME_FEAT_ARBITRATION_BURST_MASK ,
    NVME_FEAT_ARBITRATION_LPW_SHIFT ,
    NVME_FEAT_ARBITRATION_LPW_MASK ,
    NVME_FEAT_ARBITRATION_MPW_SHIFT ,
    NVME_FEAT_ARBITRATION_MPW_MASK ,
    NVME_FEAT_ARBITRATION_HPW_SHIFT ,
    NVME_FEAT_ARBITRATION_HPW_MASK ,
    NVME_FEAT_PWRMGMT_PS_SHIFT ,
    NVME_FEAT_PWRMGMT_PS_MASK ,
    NVME_FEAT_PWRMGMT_WH_SHIFT ,
    NVME_FEAT_PWRMGMT_WH_MASK ,
    NVME_FEAT_LBAR_NR_SHIFT ,
    NVME_FEAT_LBAR_NR_MASK ,
    NVME_FEAT_TT_TMPTH_SHIFT ,
    NVME_FEAT_TT_TMPTH_MASK ,
    NVME_FEAT_TT_TMPSEL_SHIFT ,
    NVME_FEAT_TT_TMPSEL_MASK ,
    NVME_FEAT_TT_THSEL_SHIFT ,
    NVME_FEAT_TT_THSEL_MASK ,
    NVME_FEAT_TT_TMPTHH_SHIFT ,
    NVME_FEAT_TT_TMPTHH_MASK ,
    NVME_FEAT_ERROR_RECOVERY_TLER_SHIFT ,
    NVME_FEAT_ERROR_RECOVERY_TLER_MASK ,
    NVME_FEAT_ERROR_RECOVERY_DULBE_SHIFT ,
    NVME_FEAT_ERROR_RECOVERY_DULBE_MASK ,
    NVME_FEAT_VWC_WCE_SHIFT ,
    NVME_FEAT_VWC_WCE_MASK ,
    NVME_FEAT_NRQS_NSQR_SHIFT ,
    NVME_FEAT_NRQS_NSQR_MASK ,
    NVME_FEAT_NRQS_NCQR_SHIFT ,
    NVME_FEAT_NRQS_NCQR_MASK ,
    NVME_FEAT_IRQC_THR_SHIFT ,
    NVME_FEAT_IRQC_THR_MASK ,
    NVME_FEAT_IRQC_TIME_SHIFT ,
    NVME_FEAT_IRQC_TIME_MASK ,
    NVME_FEAT_ICFG_IV_SHIFT ,
    NVME_FEAT_ICFG_IV_MASK ,
    NVME_FEAT_ICFG_CD_SHIFT ,
    NVME_FEAT_ICFG_CD_MASK ,
    NVME_FEAT_WA_DN_SHIFT ,
    NVME_FEAT_WA_DN_MASK ,
    NVME_FEAT_AE_SMART_SHIFT ,
    NVME_FEAT_AE_SMART_MASK ,
    NVME_FEAT_AE_NAN_SHIFT ,
    NVME_FEAT_AE_NAN_MASK ,
    NVME_FEAT_AE_FW_SHIFT ,
    NVME_FEAT_AE_FW_MASK ,
    NVME_FEAT_AE_TELEM_SHIFT ,
    NVME_FEAT_AE_TELEM_MASK ,
    NVME_FEAT_AE_ANA_SHIFT ,
    NVME_FEAT_AE_ANA_MASK ,
    NVME_FEAT_AE_PLA_SHIFT ,
    NVME_FEAT_AE_PLA_MASK ,
    NVME_FEAT_AE_LBAS_SHIFT ,
    NVME_FEAT_AE_LBAS_MASK ,
    NVME_FEAT_AE_EGA_SHIFT ,
    NVME_FEAT_AE_EGA_MASK ,
    NVME_FEAT_AE_NNSSHDN_SHIFT ,
    NVME_FEAT_AE_NNSSHDN_MASK ,
    NVME_FEAT_AE_TTHRY_SHIFT ,
    NVME_FEAT_AE_TTHRY_MASK ,
    NVME_FEAT_AE_RASSN_SHIFT ,
    NVME_FEAT_AE_RASSN_MASK ,
    NVME_FEAT_AE_RGRP0_SHIFT ,
    NVME_FEAT_AE_RGRP0_MASK ,
    NVME_FEAT_AE_ANSAN_SHIFT ,
    NVME_FEAT_AE_ANSAN_MASK ,
    NVME_FEAT_AE_ZDCN_SHIFT ,
    NVME_FEAT_AE_ZDCN_MASK ,
    NVME_FEAT_AE_PMDRLPCN_SHIFT ,
    NVME_FEAT_AE_PMDRLPCN_MASK ,
    NVME_FEAT_AE_ADLPCN_SHIFT ,
    NVME_FEAT_AE_ADLPCN_MASK ,
    NVME_FEAT_AE_HDLPCN_SHIFT ,
    NVME_FEAT_AE_HDLPCN_MASK ,
    NVME_FEAT_AE_DLPCN_SHIFT ,
    NVME_FEAT_AE_DLPCN_MASK ,
    NVME_FEAT_APST_APSTE_SHIFT ,
    NVME_FEAT_APST_APSTE_MASK ,
    NVME_FEAT_HMEM_EHM_SHIFT ,
    NVME_FEAT_HMEM_EHM_MASK ,
    NVME_FEAT_HCTM_TMT2_SHIFT ,
    NVME_FEAT_HCTM_TMT2_MASK ,
    NVME_FEAT_HCTM_TMT1_SHIFT ,
    NVME_FEAT_HCTM_TMT1_MASK ,
    NVME_FEAT_NOPS_NOPPME_SHIFT ,
    NVME_FEAT_NOPS_NOPPME_MASK ,
    NVME_FEAT_RRL_RRL_SHIFT ,
    NVME_FEAT_RRL_RRL_MASK ,
    NVME_FEAT_PLM_PLME_SHIFT ,
    NVME_FEAT_PLM_PLME_MASK ,
    NVME_FEAT_PLMW_WS_SHIFT ,
    NVME_FEAT_PLMW_WS_MASK ,
    NVME_FEAT_LBAS_LSIRI_SHIFT ,
    NVME_FEAT_LBAS_LSIRI_MASK ,
    NVME_FEAT_LBAS_LSIPI_SHIFT ,
    NVME_FEAT_LBAS_LSIPI_MASK ,
    NVME_FEAT_SC_NODRM_SHIFT ,
    NVME_FEAT_SC_NODRM_MASK ,
    NVME_FEAT_EG_ENDGID_SHIFT ,
    NVME_FEAT_EG_ENDGID_MASK ,
    NVME_FEAT_EG_EGCW_SHIFT ,
    NVME_FEAT_EG_EGCW_MASK ,
    NVME_FEAT_FDPE_PHNDL_SHIFT ,
    NVME_FEAT_FDPE_PHNDL_MASK ,
    NVME_FEAT_FDPE_NOET_SHIFT ,
    NVME_FEAT_FDPE_NOET_MASK ,
    NVME_FEAT_SPM_PBSLC_SHIFT ,
    NVME_FEAT_SPM_PBSLC_MASK ,
    NVME_FEAT_HOSTID_EXHID_SHIFT ,
    NVME_FEAT_HOSTID_EXHID_MASK ,
    NVME_FEAT_RM_REGPRE_SHIFT ,
    NVME_FEAT_RM_REGPRE_MASK ,
    NVME_FEAT_RM_RESREL_SHIFT ,
    NVME_FEAT_RM_RESREL_MASK ,
    NVME_FEAT_RM_RESPRE_SHIFT ,
    NVME_FEAT_RM_RESPRE_MASK ,
    NVME_FEAT_RP_PTPL_SHIFT ,
    NVME_FEAT_RP_PTPL_MASK ,
    NVME_FEAT_WP_WPS_SHIFT ,
    NVME_FEAT_WP_WPS_MASK ,
    NVME_FEAT_IOCSP_IOCSCI_SHIFT ,
    NVME_FEAT_IOCSP_IOCSCI_MASK ,
    NVME_FEAT_SPINUP_CONTROL_SHIFT ,
    NVME_FEAT_SPINUP_CONTROL_MASK ,
    NVME_FEAT_PLS_MODE_SHIFT ,
    NVME_FEAT_PLS_MODE_MASK ,
    NVME_FEAT_PERFC_ATTRI_SHIFT ,
    NVME_FEAT_PERFC_ATTRI_MASK ,
    NVME_FEAT_PERFC_RVSPA_SHIFT ,
    NVME_FEAT_PERFC_RVSPA_MASK ,
    NVME_FEAT_PERFC_ATTRTYP_SHIFT ,
    NVME_FEAT_PERFC_ATTRTYP_MASK ,
    NVME_FEAT_FDP_ENABLED_SHIFT ,
    NVME_FEAT_FDP_ENABLED_MASK ,
    NVME_FEAT_FDP_INDEX_SHIFT ,
    NVME_FEAT_FDP_INDEX_MASK ,
    NVME_FEAT_FDP_EVENTS_ENABLE_SHIFT ,
    NVME_FEAT_FDP_EVENTS_ENABLE_MASK ,
    NVME_FEAT_BPWPC_BP0WPS_SHIFT ,
    NVME_FEAT_BPWPC_BP0WPS_MASK ,
    NVME_FEAT_BPWPC_BP1WPS_SHIFT ,
    NVME_FEAT_BPWPC_BP1WPS_MASK

};

🎀 Constants 🎀

so after dropping that whole enum on you, the page goes ahead and lists every single constant again, one per line, no explanations, no notes, just vibes and names 🌈 iconic honestly. so here's the full roster, same order, same spelling, nothing skipped, nothing merged, bestie i would never 💖

NVME_FEAT_ARBITRATION_BURST_SHIFT

NVME_FEAT_ARBITRATION_BURST_MASK

NVME_FEAT_ARBITRATION_LPW_SHIFT

NVME_FEAT_ARBITRATION_LPW_MASK

NVME_FEAT_ARBITRATION_MPW_SHIFT

NVME_FEAT_ARBITRATION_MPW_MASK

NVME_FEAT_ARBITRATION_HPW_SHIFT

NVME_FEAT_ARBITRATION_HPW_MASK

NVME_FEAT_PWRMGMT_PS_SHIFT

NVME_FEAT_PWRMGMT_PS_MASK

NVME_FEAT_PWRMGMT_WH_SHIFT

NVME_FEAT_PWRMGMT_WH_MASK

NVME_FEAT_LBAR_NR_SHIFT

NVME_FEAT_LBAR_NR_MASK

NVME_FEAT_TT_TMPTH_SHIFT

NVME_FEAT_TT_TMPTH_MASK

NVME_FEAT_TT_TMPSEL_SHIFT

NVME_FEAT_TT_TMPSEL_MASK

NVME_FEAT_TT_THSEL_SHIFT

NVME_FEAT_TT_THSEL_MASK

NVME_FEAT_TT_TMPTHH_SHIFT

NVME_FEAT_TT_TMPTHH_MASK

NVME_FEAT_ERROR_RECOVERY_TLER_SHIFT

NVME_FEAT_ERROR_RECOVERY_TLER_MASK

NVME_FEAT_ERROR_RECOVERY_DULBE_SHIFT

NVME_FEAT_ERROR_RECOVERY_DULBE_MASK

NVME_FEAT_VWC_WCE_SHIFT

NVME_FEAT_VWC_WCE_MASK

NVME_FEAT_NRQS_NSQR_SHIFT

NVME_FEAT_NRQS_NSQR_MASK

NVME_FEAT_NRQS_NCQR_SHIFT

NVME_FEAT_NRQS_NCQR_MASK

NVME_FEAT_IRQC_THR_SHIFT

NVME_FEAT_IRQC_THR_MASK

NVME_FEAT_IRQC_TIME_SHIFT

NVME_FEAT_IRQC_TIME_MASK

NVME_FEAT_ICFG_IV_SHIFT

NVME_FEAT_ICFG_IV_MASK

NVME_FEAT_ICFG_CD_SHIFT

NVME_FEAT_ICFG_CD_MASK

NVME_FEAT_WA_DN_SHIFT

NVME_FEAT_WA_DN_MASK

NVME_FEAT_AE_SMART_SHIFT

NVME_FEAT_AE_SMART_MASK

NVME_FEAT_AE_NAN_SHIFT

NVME_FEAT_AE_NAN_MASK

NVME_FEAT_AE_FW_SHIFT

NVME_FEAT_AE_FW_MASK

NVME_FEAT_AE_TELEM_SHIFT

NVME_FEAT_AE_TELEM_MASK

NVME_FEAT_AE_ANA_SHIFT

NVME_FEAT_AE_ANA_MASK

NVME_FEAT_AE_PLA_SHIFT

NVME_FEAT_AE_PLA_MASK

NVME_FEAT_AE_LBAS_SHIFT

NVME_FEAT_AE_LBAS_MASK

NVME_FEAT_AE_EGA_SHIFT

NVME_FEAT_AE_EGA_MASK

NVME_FEAT_AE_NNSSHDN_SHIFT

NVME_FEAT_AE_NNSSHDN_MASK

NVME_FEAT_AE_TTHRY_SHIFT

NVME_FEAT_AE_TTHRY_MASK

NVME_FEAT_AE_RASSN_SHIFT

NVME_FEAT_AE_RASSN_MASK

NVME_FEAT_AE_RGRP0_SHIFT

NVME_FEAT_AE_RGRP0_MASK

NVME_FEAT_AE_ANSAN_SHIFT

NVME_FEAT_AE_ANSAN_MASK

NVME_FEAT_AE_ZDCN_SHIFT

NVME_FEAT_AE_ZDCN_MASK

NVME_FEAT_AE_PMDRLPCN_SHIFT

NVME_FEAT_AE_PMDRLPCN_MASK

NVME_FEAT_AE_ADLPCN_SHIFT

NVME_FEAT_AE_ADLPCN_MASK

NVME_FEAT_AE_HDLPCN_SHIFT

NVME_FEAT_AE_HDLPCN_MASK

NVME_FEAT_AE_DLPCN_SHIFT

NVME_FEAT_AE_DLPCN_MASK

NVME_FEAT_APST_APSTE_SHIFT

NVME_FEAT_APST_APSTE_MASK

NVME_FEAT_HMEM_EHM_SHIFT

NVME_FEAT_HMEM_EHM_MASK

NVME_FEAT_HCTM_TMT2_SHIFT

NVME_FEAT_HCTM_TMT2_MASK

NVME_FEAT_HCTM_TMT1_SHIFT

NVME_FEAT_HCTM_TMT1_MASK

NVME_FEAT_NOPS_NOPPME_SHIFT

NVME_FEAT_NOPS_NOPPME_MASK

NVME_FEAT_RRL_RRL_SHIFT

NVME_FEAT_RRL_RRL_MASK

NVME_FEAT_PLM_PLME_SHIFT

NVME_FEAT_PLM_PLME_MASK

NVME_FEAT_PLMW_WS_SHIFT

NVME_FEAT_PLMW_WS_MASK

NVME_FEAT_LBAS_LSIRI_SHIFT

NVME_FEAT_LBAS_LSIRI_MASK

NVME_FEAT_LBAS_LSIPI_SHIFT

NVME_FEAT_LBAS_LSIPI_MASK

NVME_FEAT_SC_NODRM_SHIFT

NVME_FEAT_SC_NODRM_MASK

NVME_FEAT_EG_ENDGID_SHIFT

NVME_FEAT_EG_ENDGID_MASK

NVME_FEAT_EG_EGCW_SHIFT

NVME_FEAT_EG_EGCW_MASK

NVME_FEAT_FDPE_PHNDL_SHIFT

NVME_FEAT_FDPE_PHNDL_MASK

NVME_FEAT_FDPE_NOET_SHIFT

NVME_FEAT_FDPE_NOET_MASK

NVME_FEAT_SPM_PBSLC_SHIFT

NVME_FEAT_SPM_PBSLC_MASK

NVME_FEAT_HOSTID_EXHID_SHIFT

NVME_FEAT_HOSTID_EXHID_MASK

NVME_FEAT_RM_REGPRE_SHIFT

NVME_FEAT_RM_REGPRE_MASK

NVME_FEAT_RM_RESREL_SHIFT

NVME_FEAT_RM_RESREL_MASK

NVME_FEAT_RM_RESPRE_SHIFT

NVME_FEAT_RM_RESPRE_MASK

NVME_FEAT_RP_PTPL_SHIFT

NVME_FEAT_RP_PTPL_MASK

NVME_FEAT_WP_WPS_SHIFT

NVME_FEAT_WP_WPS_MASK

NVME_FEAT_IOCSP_IOCSCI_SHIFT

NVME_FEAT_IOCSP_IOCSCI_MASK

NVME_FEAT_SPINUP_CONTROL_SHIFT

NVME_FEAT_SPINUP_CONTROL_MASK

NVME_FEAT_PLS_MODE_SHIFT

NVME_FEAT_PLS_MODE_MASK

NVME_FEAT_PERFC_ATTRI_SHIFT

NVME_FEAT_PERFC_ATTRI_MASK

NVME_FEAT_PERFC_RVSPA_SHIFT

NVME_FEAT_PERFC_RVSPA_MASK

NVME_FEAT_PERFC_ATTRTYP_SHIFT

NVME_FEAT_PERFC_ATTRTYP_MASK

NVME_FEAT_FDP_ENABLED_SHIFT

NVME_FEAT_FDP_ENABLED_MASK

NVME_FEAT_FDP_INDEX_SHIFT

NVME_FEAT_FDP_INDEX_MASK

NVME_FEAT_FDP_EVENTS_ENABLE_SHIFT

NVME_FEAT_FDP_EVENTS_ENABLE_MASK

NVME_FEAT_BPWPC_BP0WPS_SHIFT

NVME_FEAT_BPWPC_BP0WPS_MASK

NVME_FEAT_BPWPC_BP1WPS_SHIFT

NVME_FEAT_BPWPC_BP1WPS_MASK
that's it. that's the whole page. no extra lore, no secret flags, no exit statuses, no environment variables, no SEE ALSOs — just the enum and its constants, and honestly? respect 🫡

okay that's a wrap bestie 🫶 this whole thing is the enum nvme_feat page in the libnvme manual, section 2, dated July 2026. go forth and shift/mask responsibly, you absolute icon 👑💅✨

📦 where this page comes from