sbtsi_xfer(9)

🌸 NAME 🌸

Okay bestie, welcome to sbtsi_xfer(9) from the Kernel API Manual 💖 — this one does a register read or write transfer on an AMD SB-TSI device. Slay.

✨ SYNOPSIS ✨

int sbtsi_xfer (struct sbtsi_data *data , u8 reg , u8 *val , bool is_read );

🎀 ARGUMENTS 🎀

• data — pointer to the sbtsi_data structure that holds the device context 🫶
• reg — the register address you wanna access ✨
• val — pointer to the value you’re reading into or writing from 💅
• is_read — if true, it does a read transfer and stores the result in val; if false, it does a write transfer using the value in val 👑

🦋 DESCRIPTION 🦋

It returns 0 on success, or a negative error code on failure. That’s the vibe check: zero means iconic, negative means something went off 😭

🌈 SEE ALSO 🌈

• Kernel file ./include/linux/misc/tsi.h
• struct sbtsi_data(9)

Mwah 💋 this page lives in ./include/linux/misc and is dated October 2026 — periodt, that’s the source/version and date sign-off, bestie 🎀✨