tpm1_get_pcr_allocation(9)

okay so bestie, this is the tpm1_get_pcr_allocation(9) page from the Kernel API Manual — manual name folded in right near the top instead of a whole header-line reprint, because we're cute like that. 💅✨

🌸 NAME 🌸

tpm1_get_pcr_allocation — initialize the allocated bank. That's the whole name-section vibe, and yes it's giving "we're setting up the bank" energy. 🎀

✨ SYNOPSIS ✨

Here's the signature, copied exactly because we do not play with code, ever:

int tpm1_get_pcr_allocation (struct tpm_chip *chip );

🦋 ARGUMENTS 🦋

• chip — the TPM chip to use. That's the argument, bestie; it's a struct tpm_chip * and it's literally the chip we're working with. 💖

💜 DESCRIPTION 💜

The function initializes the SHA1 allocated bank to extend PCR. That's the whole description — it's giving focused, it's giving "the SHA1 allocated bank is getting initialized so PCR extending can happen", and honestly? Obsessed. 🌈

🔥 RETURN 🔥

Return vibes are simple:

• 0 — on success, slay. 🎉
• < 0 — on error, not slay. 😭

🌟 SEE ALSO 🌟

Kernel file ./drivers/char/tpm/tpm1-cmd.c — go look, bestie. 👀

• tpm1_calc_ordinal_duration(9)
• tpm1_startup(9)
• tpm1_get_random(9)
• tpm1_continue_selftest(9)
• tpm1_do_selftest(9)
• tpm1_auto_startup(9)
• tpm1_pm_suspend(9)

okay that's the page! signing off from ./drivers/char/tpm (the source/version path, periodt), dated October 2026, and this has been tpm1_get_pcr_allocation(9). mwah 💋🎀🫶