apple_smc_key_exists(9)

✨ NAME ✨

okay so bestie, this page is all about apple_smc_key_exists(9) from the kernel API manual, and it does one iconic little thing: check if the given SMC key exists. that's the whole assignment, no cap 💅

🦋 SYNOPSIS 🦋

here's the signature, copy it exactly, do not freestyle:

bool apple_smc_key_exists (struct apple_smc *smc , smc_key key );

🎀 ARGUMENTS 🎀

• smc — Pointer to apple_smc struct, aka the SMC struct you're handing over.
• key — the smc_key to be checked. that's the key getting the vibe check 🔍

💖 RETURN 💖

True if the key exists, false otherwise. simple, clean, returned as a bool — we love a straightforward answer. ✨

🔥 SEE ALSO 🔥

• Kernel file ./include/linux/mfd/macsmc.h
• smc_key(9)
• SMC_KEY(9)
• struct apple_smc_key_info(9)
• enum apple_smc_boot_stage(9)
• struct apple_smc(9)
• apple_smc_read(9)
• apple_smc_write(9)
• apple_smc_enter_atomic(9)
• apple_smc_write_atomic(9)
• apple_smc_rw(9)
• apple_smc_get_key_by_index(9)
• apple_smc_get_key_info(9)

okay that's the whole page, bestie 🫶 shoutout to the source/version ./include/linux/mfd and the date stamp October 2026 — mwah, go check those keys 💅✨