msg_response_size(9)

💅 msg_response_size(9)

okay so welcome to the Kernel API Manual bestie, this one's a lil function called msg_response_size and honestly? she's a vibe. short, sweet, does exactly one thing. no cap.

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✨ NAME ✨

msg_response_size — the maximum size of the transport SDU for a response. that's it. that's the whole gig. 💖

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🦋 SYNOPSIS 🦋

size_t msg_response_size (struct scmi_xfer *xfer );

like, you hand her an xfer and she hands you back a size_t. iconic behavior tbh.

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🎀 ARGUMENTS 🎀

• xfer — the message which the core has prepared for sending. that's the one and only thing you pass in, bestie. the core already did the prep work, you're just showing up with it. 🫶

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🌸 RETURN 🌸

she returns the transport SDU size. literally that. no surprises, no plot twists, no hidden side quests. 💅

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⭐ SEE ALSO ⭐

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

like yeah, go read her whole friend group, they're all in the same file and they all slay in their own way 🔥

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and that's the whole page, bestie — short and perfect, main character energy only. source: ./drivers/firmware/arm_scmi, dated October 2026, and the page itself is msg_response_size(9). mwah 💋✨