tpm_buf_read_u32(9)

hiii bestie 💖 you're on the tpm_buf_read_u32(9) page of the Kernel API Manual, and it's giving tiny-but-iconic. we're literally just reading a 32-bit word out of a TPM buffer. slay.

🌸 NAME 🌸

tpm_buf_read_u32 — Read 32-bit word from a TPM buffer. that's her whole thing, no cap 💅

✨ SYNOPSIS ✨

u32 tpm_buf_read_u32 (struct tpm_buf *buf , off_t *offset );

okay so that's the signature, exactly as written. periodt.

🎀 ARGUMENTS 🎀

• buf — tpm_buf instance. the buffer baddie in question 🦋
• offset — offset within the buffer. that's where we're reading from, iykyk.

👑 RETURN 👑

the next 32-bit word. that's it, that's the tea ☕✨

🌈 SEE ALSO 🌈

Kernel file ./drivers/char/tpm/tpm-buf.c — and the whole friend group:

• tpm_buf_init(9)
• tpm_buf_init_sized(9)
• tpm_buf_reset(9)
• tpm_buf_reset_sized(9)
• tpm_buf_length(9)
• tpm_buf_append(9)
• tpm_buf_append_handle(9)
• tpm_buf_read(9)
• tpm_buf_read_u8(9)
• tpm_buf_read_u16(9)

🫶 source/version: ./drivers/char/tpm · date: October 2026 — mwah, bye bestie 💖