cio_tm_intrg(9)

This is cio_tm_intrg(9) from the Kernel API Manual, and bestie, it’s giving “tiny function, very specific job” energy 🦋

✨ NAME ✨

cio_tm_intrg — perform interrogate function. That’s the whole name card, no cap 💅

💖 SYNOPSIS 💖

int cio_tm_intrg (struct subchannel *sch );

🎀 ARGUMENTS 🎀

• sch — the subchannel on which to perform the interrogate function. Main character subchannel, fr fr 👑

🌸 DESCRIPTION 🌸

Okay so: if the specified subchannel is running in transport-mode, perform the interrogate function. That’s it. That’s the vibe ✨

It returns zero on success, and non-zero otherwie — yes, otherwie, keeping the original spelling exactly, bestie 😭

🔥 SEE ALSO 🔥

• Kernel file ./drivers/s390/cio/cio.c 👀
• cio_cancel_halt_clear(9), cio_update_schib(9), cio_enable_subchannel(9), cio_disable_subchannel(9), cio_tm_start_key(9) — the whole friend group, iykyk 💜

Signed off with love by the ./drivers/s390/cio girlies, dated October 2026 — bye bestie, slay your kernel adventures 🫶💖