smu_msg_v1_send_msg(9)

💖 smu_msg_v1_send_msg(9) 💖

okay bestie, welcome to the smu_msg_v1_send_msg(9) page from the Kernel API Manual — we're completing the V1 protocol with all the filtering, and honestly? iconic. ✨

✨ NAME ✨

smu_msg_v1_send_msg — Complete V1 protocol with all filtering 💅

🌸 SYNOPSIS 🌸

int smu_msg_v1_send_msg (struct smu_msg_ctl *ctl , struct smu_msg_args
*args );

🎀 ARGUMENTS 🎀

• ctl — Message control block, your main character struct 🫶
• args — Message arguments, the lil bundle of info being passed along ✨

🔥 RETURN 🔥

• 0 on success — slay 💖
• negative errno on failure — not the vibe 😭

👀 SEE ALSO 👀

• Kernel file ./drivers/gpu/drm/amd/pm/swsmu/smu_cmn.c
• smu_cmn_wait_for_response(9)
• smu_cmn_send_smc_msg_with_params_ext(9)
• smu_cmn_send_smc_msg_with_param(9)
• smu_msg_send_async_locked(9)
• smu_cmn_disable_all_features_with_exception(9)
• smu_cmn_get_pptable_from_firmware(9)

this page comes from the ./drivers/gpu/drm/amd/pm/swsmu corner of the world, dated October 2026 — mwah, bestie 💋💖