ata_sff_interrupt(9)

📦 version 7.3.1, in nixpkgs unstable

✨ ata_sff_interrupt(9) ✨

okay so bestie, welcome to the Kernel API Manual 💖 this one's about ata_sff_interrupt, and yes it's giving "tiny function, huge responsibility" energy. let's get into it 🫶

🌸 NAME 🌸

ata_sff_interrupt — the Default SFF ATA host interrupt handler 👑

like, the default one. the main character. the one that shows up when nobody more specific was assigned 😌

🦋 SYNOPSIS 🦋

irqreturn_t ata_sff_interrupt (int irq , void *dev_instance );

🎀 ARGUMENTS 🎀

  • irq — the irq line. and bestie… it's unused 💀 like it literally gets passed in and then just sits there. iconic but unemployed.
  • dev_instance — a pointer to our ata_host information structure 🏠 this one's the actual VIP, it's where all the host info lives.

💅 DESCRIPTION 💅

so this is the default interrupt handler for PCI IDE devices. periodt.

what it does: it calls ata_sff_port_intr for each port that is not disabled 🎯 like, every port that's still in the group chat gets the message. the disabled ones? left on read 🙈

LOCKING: it obtains the host lock during operation 🔒 no cap, that's a real caveat — it grabs the lock while it's doing its thing, so plan accordingly.

⭐ RETURN ⭐

returns IRQ_NONE or IRQ_HANDLED — just those two, that's the whole menu 🍓

🌈 SEE ALSO 🌈

the kernel file is ./drivers/ata/libata-sff.c 📁 and here's the whole extended friend group, fr fr — every single one of them:

that's a lot of cousins but we love them all 💜

ngl bestie, the whole point is just: default handler → loops the non-disabled ports → calls ata_sff_port_intr → holds the host lock → returns one of two codes. that's it, that's the tea ☕

and that's the page!! 🎀 brought to you by the ./drivers/ata crew, dated October 2026 ⭐ mwah, go read the source, ily, bye 💖🧚

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