ccw_device_get_iid(9)

📦 version 7.3.1, in nixpkgs unstable

💅 ccw_device_get_iid — bestie's guide to grabbing a MIF-image ID

okay so picture this: it's giving "Kernel API Manual" energy, and today's main character is ccw_device_get_iid(9). not me being obsessed with a function that literally just hands you a MIF-image ID 🎀

✨ NAME ✨

ccw_device_get_iid — obtain MIF-image ID. that's it. that's the whole vibe. you want the MIF-image ID, this function is the one who gets it for you. slay. 💅

🌸 SYNOPSIS 🌸

int ccw_device_get_iid (struct ccw_device *cdev , u8 *iid );

like literally exactly that, no notes, copy it character for character or the compiler will simply end you 😭

🦋 ARGUMENTS 🦋

  • cdev — the device you're asking about, aka the one whose MIF-image ID you're trying to obtain. this is the main character of your query 👑
  • iid — the resulting MIF-image ID goes here. it's a u8 *, so it's a pointer to where the answer gets dropped. you hand it the spot, it fills the spot. mutual trust. 🫶
lowkey important: iid is where the result lands, so don't be out here expecting it to already hold anything meaningful — that's the destination, bestie ✨

🔥 SEE ALSO 🔥

the kernel file where all the magic actually lives:

  • ./drivers/s390/cio/device_ops.c

and now the full squad, alphabetically-ish, all present and accounted for, no cap fr fr:

🧚 sign-off 🧚

and that's the tea, bestie 🍓 this page lives in ./drivers/s390/cio, dated October 2026, and it's filed under the header ccw_device_get_iid(9) — same as the last line, iconic behavior honestly 🌈💖 go forth and obtain those MIF-image IDs, you absolute legend ⭐🔥

📦 where this page comes from