mmc_rpmb_ioctl(9)

💅 mmc_rpmb_ioctl(9) 💅

okay bestie, welcome to the Kernel API Manual page for mmc_rpmb_ioctl(9) — this is the ioctl handler for the RPMB chardev, and we’re gonna read it together like a group chat. ✨

🌸 NAME 🌸

mmc_rpmb_ioctl — ioctl handler for the RPMB chardev 🎀

🦋 SYNOPSIS 🦋

long mmc_rpmb_ioctl (struct file *filp , unsigned int cmd , unsigned
       long arg );

🍓 ARGUMENTS 🍓

• filp — the character device file 💖
• cmd — the ioctl command ✨
• arg — the argument from userspace 🫶

🔥 DESCRIPTION 🔥

okay so this will essentially just redirect the ioctls coming in over to the main block device spawning the RPMB character device. that’s the whole vibe — no cap, that’s what it does. 💅

👑 SEE ALSO 👑

• Kernel file ./drivers/mmc/core/block.c 📁
• struct mmc_rpmb_data(9) 🧚

source/version: ./drivers/mmc/core · date: October 2026 — bye bestie, go slay those ioctls 💋🎀