apple_smc_get_key_info(9)

💖 NAME 💖

apple_smc_get_key_info — get key information from SMC. And yes bestie, this is the apple_smc_get_key_info(9) page from the Kernel API Manual, so you are literally in exactly the right place 🫶✨

✨ SYNOPSIS ✨

int apple_smc_get_key_info (struct apple_smc *smc , smc_key key , struct
       apple_smc_key_info *info );

🎀 ARGUMENTS 🎀

• smc — pointer to the apple_smc struct 🍓
• key — the key you are acquiring information for 🔑
• info — pointer to struct apple_smc_key_info; this is the struct that will be filled 💖

🦋 RETURN 🦋

• 0 — success, slay ✅
• negative errno — error, and that is the whole mood 😭

No cap: zero on success, negative errno on error.

🔥 SEE ALSO 🔥

Kernel file to check: ./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_key_exists(9)

That is a wrap, bestie 🎀 Source/version: ./include/linux/mfd · date: October 2026 · page: apple_smc_get_key_info(9) ✨💅