ata_dev_set_xfermode(9)

📦 version 7.3.1, in nixpkgs unstable

🌸 ata_dev_set_xfermode — Kernel API Manual, bestie edition 🌸

okay so we're doing a deep dive on ata_dev_set_xfermode(9) and honestly? she's iconic. this is a Linux kernel API page, the (9) is the manual section, and the whole thing lives in ./drivers/ata — slay. 💅

✨ NAME ✨

ata_dev_set_xfermode — the girl who issues the SET FEATURES - XFER MODE command. periodt.

🦋 SYNOPSIS 🦋

unsigned int ata_dev_set_xfermode (struct ata_device *dev );

that's it. that's the whole signature. one arg, no notes. 🫶

🎀 ARGUMENTS 🎀

  • dev — the device the command is gonna be sent to. like, the specific one. not all of them. her. 👑

💖 DESCRIPTION 💖

so what she actually does: she issues the SET FEATURES - XFER MODE command to the device dev on port ap. no cap. 🔥

LOCKING: PCI/etc. bus probe sem. — yes queen, hold that semaphore. 🧚

⭐ RETURN ⭐

  • 0 if it went off without a hitch — success, ate, no crumbs. ✨
  • an AC_ERR_* mask otherwise — so if it's not 0, it's giving error-mask energy, and you already know which family it's from. 😭

🌈 SEE ALSO 🌈

bestie this list is long and every single one of them matters, so buckle in — not one is getting cut, i don't care how cute the page looks. 💀

okay that's the whole page and yeah, we read every single one of those SEE ALSO entries, no skimming, no "etc." — iykyk. 🍓

source/version: ./drivers/ata · date: October 2026 · and the page answers to the name ata_dev_set_xfermode(9). mwah, go read a kernel file bestie 💜🦋✨

📦 where this page comes from