nvme_init_fw_download(9)

📦 version 3.2, in arch rolling

💅 nvme_init_fw_download(9) — the libnvme API manual, but make it make sense

okay so bestie, welcome to the glow-up of nvme_init_fw_download(9) from the libnvme API manual. this is the page that teaches you how to get that passthru command buffer all cute and ready so you can push part — or literally all — of a firmware image to the controller. main character energy fr fr. 🦋

✨ NAME ✨

nvme_init_fw_download — initialize the passthru command so you can download part or all of a firmware image to the controller. that's the whole vibe. 🎀

🌸 SYNOPSIS 🌸

int nvme_init_fw_download (struct libnvme_passthru_cmd *cmd , void *data
, __u32 len , __u32 offset );

💖 ARGUMENTS 💖

  • cmd — the passthru command you're gonna use. this is the one getting all dressed up. 👑
  • data — the userspace address of the firmware data buffer. like, where your actual bytes live. 🍓
  • len — how long the data in this command is, in bytes. the size of the moment. ✨
  • offset — where you're at inside the firmware data. like a little bookmark. 🔖

🧚 DESCRIPTION 🧚

it initializes the passthru command buffer for the Firmware Image Download command. that's it, that's the job, and it does it slayfully. 💅

⚠️ NOTE ⚠️

no cap, listen to this one: the caller must ensure data_len and offset are DWord-aligned (that's 0x4). don't come crying to me if you skip this. 😭

🔥 RETURN 🔥

  • 0 on success 🎉
  • a negative error code otherwise 💀

so yeah, that's the whole page. go forth and download that firmware, aligned and iconic. periodt. 🌈⭐

sign-off time: this was the nvme_init_fw_download(9) page from the libnvme API manual, dated October 2026, and the source/version line said nvme_init_fw_download — love that for us. 🫶

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