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torvalds
GitHub Repository: torvalds/linux
 Path: blob/master/drivers/crypto/caam/caamalg_desc.h
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/* SPDX-License-Identifier: GPL-2.0 */

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/*

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 * Shared descriptors for aead, skcipher algorithms

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 *

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 * Copyright 2016, 2025 NXP

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 */

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#ifndef _CAAMALG_DESC_H_

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#define _CAAMALG_DESC_H_

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/* length of descriptors text */

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#define DESC_AEAD_BASE			(4 * CAAM_CMD_SZ)

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#define DESC_AEAD_ENC_LEN		(DESC_AEAD_BASE + 11 * CAAM_CMD_SZ)

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#define DESC_AEAD_DEC_LEN		(DESC_AEAD_BASE + 15 * CAAM_CMD_SZ)

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#define DESC_AEAD_GIVENC_LEN		(DESC_AEAD_ENC_LEN + 8 * CAAM_CMD_SZ)

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#define DESC_QI_AEAD_ENC_LEN		(DESC_AEAD_ENC_LEN + 3 * CAAM_CMD_SZ)

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#define DESC_QI_AEAD_DEC_LEN		(DESC_AEAD_DEC_LEN + 3 * CAAM_CMD_SZ)

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#define DESC_QI_AEAD_GIVENC_LEN		(DESC_AEAD_GIVENC_LEN + 3 * CAAM_CMD_SZ)

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/* Note: Nonce is counted in cdata.keylen */

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#define DESC_AEAD_CTR_RFC3686_LEN	(4 * CAAM_CMD_SZ)

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#define DESC_AEAD_NULL_BASE		(3 * CAAM_CMD_SZ)

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#define DESC_AEAD_NULL_ENC_LEN		(DESC_AEAD_NULL_BASE + 11 * CAAM_CMD_SZ)

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#define DESC_AEAD_NULL_DEC_LEN		(DESC_AEAD_NULL_BASE + 13 * CAAM_CMD_SZ)

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#define DESC_GCM_BASE			(3 * CAAM_CMD_SZ)

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#define DESC_GCM_ENC_LEN		(DESC_GCM_BASE + 16 * CAAM_CMD_SZ)

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#define DESC_GCM_DEC_LEN		(DESC_GCM_BASE + 12 * CAAM_CMD_SZ)

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#define DESC_QI_GCM_ENC_LEN		(DESC_GCM_ENC_LEN + 6 * CAAM_CMD_SZ)

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#define DESC_QI_GCM_DEC_LEN		(DESC_GCM_DEC_LEN + 3 * CAAM_CMD_SZ)

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#define DESC_RFC4106_BASE		(3 * CAAM_CMD_SZ)

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#define DESC_RFC4106_ENC_LEN		(DESC_RFC4106_BASE + 16 * CAAM_CMD_SZ)

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#define DESC_RFC4106_DEC_LEN		(DESC_RFC4106_BASE + 13 * CAAM_CMD_SZ)

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#define DESC_QI_RFC4106_ENC_LEN		(DESC_RFC4106_ENC_LEN + 5 * CAAM_CMD_SZ)

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#define DESC_QI_RFC4106_DEC_LEN		(DESC_RFC4106_DEC_LEN + 5 * CAAM_CMD_SZ)

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#define DESC_RFC4543_BASE		(3 * CAAM_CMD_SZ)

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#define DESC_RFC4543_ENC_LEN		(DESC_RFC4543_BASE + 11 * CAAM_CMD_SZ)

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#define DESC_RFC4543_DEC_LEN		(DESC_RFC4543_BASE + 12 * CAAM_CMD_SZ)

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#define DESC_QI_RFC4543_ENC_LEN		(DESC_RFC4543_ENC_LEN + 4 * CAAM_CMD_SZ)

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#define DESC_QI_RFC4543_DEC_LEN		(DESC_RFC4543_DEC_LEN + 4 * CAAM_CMD_SZ)

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#define DESC_SKCIPHER_BASE		(3 * CAAM_CMD_SZ)

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#define DESC_SKCIPHER_ENC_LEN		(DESC_SKCIPHER_BASE + \

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					 21 * CAAM_CMD_SZ)

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#define DESC_SKCIPHER_DEC_LEN		(DESC_SKCIPHER_BASE + \

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					 16 * CAAM_CMD_SZ)

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/* Key modifier for CAAM Protected blobs */

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#define KEYMOD "SECURE_KEY"

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void cnstr_shdsc_aead_null_encap(u32 * const desc, struct alginfo *adata,

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				 unsigned int icvsize, int era);

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void cnstr_shdsc_aead_null_decap(u32 * const desc, struct alginfo *adata,

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				 unsigned int icvsize, int era);

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void cnstr_shdsc_aead_encap(u32 * const desc, struct alginfo *cdata,

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			    struct alginfo *adata, unsigned int ivsize,

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			    unsigned int icvsize, const bool is_rfc3686,

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			    u32 *nonce, const u32 ctx1_iv_off,

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			    const bool is_qi, int era);

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void cnstr_shdsc_aead_decap(u32 * const desc, struct alginfo *cdata,

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			    struct alginfo *adata, unsigned int ivsize,

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			    unsigned int icvsize, const bool geniv,

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			    const bool is_rfc3686, u32 *nonce,

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			    const u32 ctx1_iv_off, const bool is_qi, int era);

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void cnstr_shdsc_aead_givencap(u32 * const desc, struct alginfo *cdata,

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			       struct alginfo *adata, unsigned int ivsize,

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			       unsigned int icvsize, const bool is_rfc3686,

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			       u32 *nonce, const u32 ctx1_iv_off,

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			       const bool is_qi, int era);

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void cnstr_shdsc_gcm_encap(u32 * const desc, struct alginfo *cdata,

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			   unsigned int ivsize, unsigned int icvsize,

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			   const bool is_qi);

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void cnstr_shdsc_gcm_decap(u32 * const desc, struct alginfo *cdata,

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			   unsigned int ivsize, unsigned int icvsize,

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			   const bool is_qi);

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void cnstr_shdsc_rfc4106_encap(u32 * const desc, struct alginfo *cdata,

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			       unsigned int ivsize, unsigned int icvsize,

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			       const bool is_qi);

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void cnstr_shdsc_rfc4106_decap(u32 * const desc, struct alginfo *cdata,

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			       unsigned int ivsize, unsigned int icvsize,

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			       const bool is_qi);

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void cnstr_shdsc_rfc4543_encap(u32 * const desc, struct alginfo *cdata,

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			       unsigned int ivsize, unsigned int icvsize,

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			       const bool is_qi);

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void cnstr_shdsc_rfc4543_decap(u32 * const desc, struct alginfo *cdata,

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			       unsigned int ivsize, unsigned int icvsize,

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			       const bool is_qi);

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void cnstr_shdsc_chachapoly(u32 * const desc, struct alginfo *cdata,

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			    struct alginfo *adata, unsigned int ivsize,

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			    unsigned int icvsize, const bool encap,

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			    const bool is_qi);

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void cnstr_shdsc_skcipher_encap(u32 * const desc, struct alginfo *cdata,

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				unsigned int ivsize, const bool is_rfc3686,

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				const u32 ctx1_iv_off);

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void cnstr_shdsc_skcipher_decap(u32 * const desc, struct alginfo *cdata,

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				unsigned int ivsize, const bool is_rfc3686,

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				const u32 ctx1_iv_off);

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void cnstr_shdsc_xts_skcipher_encap(u32 * const desc, struct alginfo *cdata);

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void cnstr_shdsc_xts_skcipher_decap(u32 * const desc, struct alginfo *cdata);

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void cnstr_desc_protected_blob_decap(u32 * const desc, struct alginfo *cdata,

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				     dma_addr_t next_desc);

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void cnstr_desc_skcipher_enc_dec(u32 * const desc, struct alginfo *cdata,

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				 dma_addr_t src, dma_addr_t dst, unsigned int data_sz,

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				 unsigned int in_options, unsigned int out_options,

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				 unsigned int ivsize, const bool encrypt);

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#endif /* _CAAMALG_DESC_H_ */

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