tpm_ibmvtpm_get_desired_dma(9)

📦 version 7.3.1, in nixpkgs unstable

🌸 tpm_ibmvtpm_get_desired_dma(9) 🌸

okay so bestie, welcome to the Kernel API Manual ✨ this one's a lil kernel function page, and honestly? it's short, it's sweet, it's giving "one job and she does it" 💅

💖 NAME 💖

tpm_ibmvtpm_get_desired_dma — literally just Get DMA size needed by this driver 🎀 no cap, that's the whole thing

✨ SYNOPSIS ✨

unsigned long tpm_ibmvtpm_get_desired_dma (struct vio_dev *vdev );

so she takes one arg and hands you back an unsigned long, periodt 🫶

🦋 ARGUMENTS 🦋

  • vdev — the vio device struct 🌈 like, the actual device we're talking about here, she's the main character of this parameter list (she's also the only one, iykyk)

⭐ RETURN ⭐

Number of bytes the driver needs to DMA map 💖 that's it, that's the tea — a nice lil byte count, no drama, no error codes, just vibes and a number 🔥

👑 SEE ALSO 👑

bestie there is soooo much lore here, the whole family showed up 😭 and also the kernel file ./drivers/char/tpm/tpm_ibmvtpm.c — like the source of truth, the mothership, the blueprint 🎀

go read them all, they're iconic, they're the friend group 💜

lowkey a reminder bestie: this page has no DESCRIPTION section and no listed errors or exit statuses — that's not me skipping anything, that's just genuinely the whole page 🙈 don't come for me, come for the manpage

okay that's the whole thing!! mwah 💋 this page lives in ./drivers/char/tpm, it's dated October 2026, and it's brought to you by tpm_ibmvtpm_get_desired_dma(9) — slay, bye 🧚💖

📦 where this page comes from