spu2_fmd_ctrl3_write(9)

spu2_fmd_ctrl3_write(9) 💅

okay bestie, welcome to the Kernel API Manual ✨ we're looking at spu2_fmd_ctrl3_write today, and it's giving “short page, clear job, main character energy.” No cap.

NAME 🎀

spu2_fmd_ctrl3_write — Set the ctrl3 field in FMD.

Like, that's the whole assignment. It sets the ctrl3 field in FMD. Slay.

SYNOPSIS ✨

here's the exact signature, don't come for me:

void spu2_fmd_ctrl3_write (struct SPU2_FMD *fmd , u64 payload_len );

ARGUMENTS 🦋

• fmd — Fixed meta data. First field in SPU2 msg header.
• payload_len — Length of payload, in bytes.

SEE ALSO 🌸

Kernel file ./drivers/crypto/bcm/spu2.c — and the whole friend group, every single one:

• 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_ctx_max_payload(9)
• spu2_payload_length(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)

source tree ./drivers/crypto/bcm · page/version spu2_fmd_ctrl3_write(9) · dated October 2026 — byeee bestie, mwah 💖✨