NVME_SET_FEATURES_PLM_CONFIG(2)
π NAME π
nvme_set_features_plm_config β bestie, this is the one that sets the predictable latency feature β¨
π SYNOPSIS π
int nvme_set_features_plm_config (int fd , bool enable , __u16 nvmsetid
, bool save , struct nvme_plm_config *data , __u32 *result );
πΈ ARGUMENTS πΈ
okay so here's the lineup, no skips, every single one matters π«Ά
fdβ the file descriptor of the nvme device. your lil portal to the drive, basically πenableβ Predictable Latency Enable. turning the vibe on or off, fr fr β¨nvmsetidβ NVM Set Identifier. which NVM set we're talking to, iykyk π¦saveβ save value across power states. so it stays even after the lights go out, iconic πdataβ pointer to structurenvme_plm_config. the actual payload, slay πresultβ the command completion result from CQE dword0 β
π RETURN π
so what do you get back? it's giving:
- the nvme command status if a response was received β go check
enum nvme_status_fieldfor the full tea π - or
-1witherrnoset otherwise π
not me reminding you to actually check the return valueβ¦ bestie, please check the return value π
that's the whole page, periodt π β¨
libnvme API manual, section 2 β dropped July 2026 π mwah, ily, go set some predictable latency π«Άπ
π¦ where this page comes from
- ubuntu stonking: libnvme-dev 1.16.2-1build1 Β· LGPL-2.1-or-later
- π girlified by deepseek-ai/DeepSeek-V4.1-Flash on : a language model's rewrite of the original, under its terms