optee_ffa_to_msg_param(9)

💅 optee_ffa_to_msg_param 💅

okay so bestie, welcome to the optee_ffa_to_msg_param(9) page — it's a kernel API manual situation, section 9, and yes we're getting into it 🫶

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✨ NAME ✨

optee_ffa_to_msg_param — literally the glow-up function that converts from struct tee_params to OPTEE_MSG parameters. it's giving translator era 🌈

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🦋 SYNOPSIS 🦋

int optee_ffa_to_msg_param (struct optee *optee , struct optee_msg_param
*msg_params , size_t num_params , const struct tee_param *params );

no cap, that's the whole signature 💖

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🎀 ARGUMENTS 🎀

• optee — the main service struct. she's the main character of this whole operation 👑
• msg_params — the OPTEE_MSG parameters. this is where the converted stuff ends up ✨
• num_params — number of elements in the parameter arrays. pls keep this honest, it's counting things fr fr 🔢
• params — the subsystem internal parameter representation. Returns 0 on success or <0 on failure — so like, zero is the slay outcome, negative is the 💀 outcome

ngl "itnernal" was a typo in the original and I'm not fixing the lore, but you get it — it's the internal repr 🙈

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🌸 SEE ALSO 🌸

• Kernel file ./drivers/tee/optee/ffa_abi.c
• optee_ffa_from_msg_param(9)
• optee_ffa_shm_pool_alloc_pages(9)
• optee_ffa_do_call_with_arg(9)

the whole friend group, honestly 🧚 go read them, iykyk 💜

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and that's the page!! sourced from ./drivers/tee/optee, dated October 2026, and yes this is the optee_ffa_to_msg_param(9) manual page signing off — stay iconic, drink water, and don't pass a negative num_params 💅🎀🔥