spu2_payload_length(9)

okay so bestie, this is spu2_payload_length(9) from the Kernel API Manual, and it's literally about pulling the payload length out of a SPU2 message header 💖

💖 NAME 💖

spu2_payload_length — given a SPU2 message header, extract the payload length. no cap, that's the whole vibe ✨

✨ SYNOPSIS ✨

u32 spu2_payload_length (u8 *spu_hdr );

🎀 ARGUMENTS 🎀

• spu_hdr — start of the SPU message header (FMD), bestie 🫶

🦋 RETURN 🦋

payload length, in bytes ⭐

👑 SEE ALSO 👑

the kernel file is ./drivers/crypto/bcm/spu2.c, and the whole crew is right here:

• spu2_cipher_xlate(9)
• spu2_hash_xlate(9)
• spu2_fmd_init(9)
• spu2_fmd_ctrl0_write(9)
• spu2_fmd_ctrl1_write(9)
• spu2_fmd_ctrl2_write(9)
• spu2_fmd_ctrl3_write(9)
• spu2_ctx_max_payload(9)
• spu2_response_hdr_len(9)
• spu2_hash_pad_len(9)
• spu2_gcm_ccm_pad_len(9)
• spu2_assoc_resp_len(9)
• spu2_aead_ivlen(9)
• spu2_hash_type(9)
• spu2_digest_size(9)
• spu2_create_request(9)
• spu2_cipher_req_init(9)
• spu2_cipher_req_finish(9)
• spu2_request_pad(9)
• spu2_xts_tweak_in_payload(9)
• spu2_tx_status_len(9)
• spu2_rx_status_len(9)
• spu2_status_process(9)
• spu2_ccm_update_iv(9)
• spu2_wordalign_padlen(9)

that's the whole page, bestie — source/version ./drivers/crypto/bcm, dated October 2026, and it's giving spu2_payload_length(9) main character energy 💅✨