efi_find_vendor_table(9)

💅 efi_find_vendor_table(9) — Kernel API Manual 🎀

okay so bestie, welcome to the efi_find_vendor_table page ✨ this one's a whole little scavenger hunt: you hand it an EFI config table, and it goes looking for the physical address of the vendor table that matches your GUID. detective energy fr 🔍

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✨ SYNOPSIS ✨

unsigned long efi_find_vendor_table (struct boot_params *bp , unsigned
long cfg_tbl_pa , unsigned int cfg_tbl_len , efi_guid_t guid );

like, yes, that's the whole signature 💖 it returns an unsigned long, no cap.

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🫶 ARGUMENTS 🫶

• bp — pointer to boot_params. the main character's info dump 💫
• cfg_tbl_pa — pointer to the EFI configuration table. this is where the searching happens 🔎
• cfg_tbl_len — number of entries in the EFI configuration table. gotta know how many to look through, iykyk 🌸
• guid — GUID of the vendor table. the little name tag we're matching against 🎀

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🌈 RETURN 🌈

• vendor table address on success ✨ slay, we found it
• 0 on error 💀 no match, no vibes

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🦋 SEE ALSO 🦋

• Kernel file ./arch/x86/boot/compressed/efi.c — go read the source bestie, it's giving source of truth 👑
• efi_get_type(9)
• efi_get_system_table(9)
• efi_get_conf_table(9)

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✨ reminder: on error it's literally just 0. that's the whole error signal. no dramatic stack trace, no note, just a zero. handle it 🫶

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and that's the page!! 💜 brought to you by ./arch/x86/boot/compressed, dated October 2026 — periodt, go find those vendor tables bestie 🌟🎀🦋