SBRMI_IOCTL_REG_XFER_CMD(9)

💖 SBRMI_IOCTL_REG_XFER_CMD(9) 💖

hii bestie, welcome to the Kernel API Manual page for SBRMI_IOCTL_REG_XFER_CMD — it's giving kernel magic with userspace access, and we're keeping every single detail cute and complete. 🫶

🎀 Parameters 🎀

• struct apml_reg_xfer_msg — a pointer to the struct apml_reg_xfer_msg that's gonna hold all the protocol information. like, that's literally the whole vibe of this parameter 💅

✨ Description ✨

• IOCTL command for APML messages using generic _IOWR — this IOCTL provides userspace access to the AMD sideband register xfer protocol. no cap 🔥
• Register xfer protocol to get/set hardware register for given offset — that's the job: get or set the hardware register for the offset you give it ✨

👀 SEE ALSO 👀

Kernel file ./include/uapi/misc/amd-apml.h

• SBRMI_IOCTL_MBOX_CMD(9)
• SBRMI_IOCTL_CPUID_CMD(9)
• SBRMI_IOCTL_MCAMSR_CMD(9)
• SBTSI_IOCTL_REG_XFER_CMD(9)

mwah 💋 that's the page, bestie! source/version: ./include/uapi/misc · October 2026 · SBRMI_IOCTL_REG_XFER_CMD(9) out 🎀