msg_read_header(9)

💖 NAME 💖

okay so bestie, welcome to msg_read_header(9) — this one lives in the Kernel API Manual, and it's literally here to read the SCMI header from a transport SDU. that's the whole vibe ✨

🎀 SYNOPSIS 🎀

u32 msg_read_header (struct scmi_msg_payld *msg );

🦋 ARGUMENTS 🦋

• msg — the transport SDU. that's the thing being passed in, no cap 💅

🌸 RETURN 🌸

it gives you back the SCMI header. iconic behavior, honestly 👑

🌈 SEE ALSO 🌈

• the kernel file ./drivers/firmware/arm_scmi/msg.c
• msg_command_size(9)
• msg_response_size(9)
• msg_tx_prepare(9)
• msg_fetch_response(9)
• msg_fetch_notification(9)

and that's the page, bestie 🫶 signing off from source path ./drivers/firmware/arm_scmi, dated October 2026, still proudly repping msg_read_header(9) 💖✨