h_request_vmc(9)

📦 version 7.3.1, in nixpkgs unstable

💅 h_request_vmc — it's giving kernel API manual energy (section 9)

ok so bestie, welcome to h_request_vmc(9) from the Kernel API Manual — yes we're in the kernel docs now, put your hair up, we're going in 🎀

✨ NAME ✨

h_request_vmc — request a hypervisor virtual management channel device 🦋

🌸 SYNOPSIS 🌸

long h_request_vmc (u32 *vmc_index );

like literally that's the whole signature, she's short and she knows it 💅

🎀 ARGUMENTS 🎀

  • vmc_index — the drc index of the vmc device that got created ✨

💖 DESCRIPTION 💖

okay so what this does is it requests the hypervisor create a brand new virtual management channel device for you 👑

and like, why do we care? because that device is what lets this partition send hypervisor virtualization control commands. that's the whole vibe. you get the channel, you get the commands, you get main character energy 🔥

no cap, that's it. that's the function. she's a one-job icon.

⭐ RETURN ⭐

  • 0 — Success 🎉 (we ate)
  • Non-zero — Failure 😭💀
fr fr, check that return value. 0 is the slay, anything else is the not-slay.

🌈 SEE ALSO 🌈

Kernel file ./drivers/misc/ibmvmc.c and honestly her whole friend group:

iykyk 🧚

ok that's the page!! sourced from ./drivers/misc, dated October 2026, and honestly? iconic. go request your vmc bestie, stay hydrated, read the return value 💜🫶

📦 where this page comes from