NVME_INIT_SET_FEATURES_ENH_CTRL_METADATA-LIBNVME3(2)

💖 nvme_init_set_features_enh_ctrl_metadata(9) 💖

okay so bestie, welcome to the libnvme API manual ✨ — this one's a little function with a very long name and honestly? she's iconic for it. let's get into it 🎀

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🌸 NAME 🌸

nvme_init_set_features_enh_ctrl_metadata — the glow-up button that gets your passthru command all set up for Enhanced Controller Metadata 👑

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✨ SYNOPSIS ✨

void nvme_init_set_features_enh_ctrl_metadata (struct
libnvme_passthru_cmd *cmd , bool sv , __u8 ea , struct
nvme_host_metadata *data );

like yes, that's the whole signature. no cap, she takes four things and returns absolutely nothing (void) — she just does the work and leaves 💅

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🦋 ARGUMENTS 🦋

• cmd — the passthru command you're gonna use. this is the main character, the one getting initialized 🫶
• sv — "save value across power states" — a bool, so it's a yes/no vibe check on whether this setting survives a power state change 🔥
• ea — the Element Action (EA for short, iykyk) — a __u8, and you should look at enum nvme_host_metadata_ea for the deets 🧚
• data — the Host Metadata data buffer, a struct nvme_host_metadata *. this is where your actual metadata lives, bestie 🍓

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💜 DESCRIPTION 💜

so what does she actually do? she initializes the passthru command buffer for the Set Features command, with the FID value set to NVME_FEAT_FID_ENH_CTRL_METADATA ⭐

that's it. that's the whole job. lowkey simple, highkey essential 💀✨

ngl, this is setup work — she doesn't fire the command off herself, she just gets the buffer ready so you can slay the actual submission 🙈

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🌈 sign-off 🌈

kisses bestie, you made it to the end 🫶 this was the libnvme API manual, dated October 2026 — go forth and initialize those buffers, periodt 💖🎀🦋