optee_handle_rpc(9)

💅 optee_handle_rpc — handle RPC from secure world 💅

okay bestie, this is optee_handle_rpc(9) from the Kernel API Manual, and it's literally the page for handling an RPC from secure world. secure-world group chat energy, but make it kernel ✨

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🦋 NAME 🦋

optee_handle_rpc — handle RPC from secure world

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✨ SYNOPSIS ✨

void optee_handle_rpc (struct tee_context *ctx , struct optee_msg_arg
       *rpc_arg , struct optee_rpc_param *param , struct optee_call_ctx
       *call_ctx );

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🎀 ARGUMENTS 🎀

• ctx — the context that's doing the RPC. main character energy, honestly.
• rpc_arg — pointer to the RPC arguments if there are any, or NULL if there are none. no notes.
• param — the value of the registers for the RPC.
• call_ctx — the call context. it stays preserved during one OP-TEE invocation 💖

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🌸 DESCRIPTION 🌸

the result of the RPC is written back into param. that's the vibe. that's the whole description. slay.

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🔥 SEE ALSO 🔥

the kernel file ./drivers/tee/optee/smc_abi.c is where this lives, and these are the sister pages you can also go read, iykyk:

• optee_from_msg_param(9)
• optee_to_msg_param(9)
• optee_enable_shm_cache(9)
• __optee_disable_shm_cache(9)
• optee_disable_shm_cache(9)
• optee_disable_unmapped_shm_cache(9)
• optee_fill_pages_list(9)
• optee_shm_pool_alloc_pages(9)
• optee_smc_do_call_with_arg(9)

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source/version: ./drivers/tee/optee · date: October 2026 · page: optee_handle_rpc(9). mwah 💋🫶