msg_command_size(9)

💅 NAME 💅

okay so bestie, welcome to the msg_command_size(9) page from the Kernel API Manual. This function is giving “how big is the command’s transport SDU actually?” energy: msg_command_size — the actual size of the transport SDU for a command. ✨

🌸 SYNOPSIS 🌸

size_t msg_command_size (struct scmi_xfer *xfer );

🦋 ARGUMENTS 🦋

• xfer — the message which the core has prepared for sending. 💌

🎀 RETURN 🎀

• The transport SDU size. That’s the whole answer, no cap. 🫶

👑 SEE ALSO 👑

• Kernel file ./drivers/firmware/arm_scmi/msg.c
• msg_response_size(9)
• msg_tx_prepare(9)
• msg_read_header(9)
• msg_fetch_response(9)
• msg_fetch_notification(9)

lowkey important: those paths and function references are exact, bestie — keep them that way if you’re grepping around. iykyk 💅

and that’s the page! this has been msg_command_size(9), from the source/version tag ./drivers/firmware/arm_scmi, dated October 2026. bye bestie! 💖🌈