Contributors: 9
Author Tokens Token Proportion Commits Commit Proportion
Horia Geantă 555 85.91% 11 50.00%
Meenakshi Aggarwal 33 5.11% 1 4.55%
Tudor-Dan Ambarus 30 4.64% 3 13.64%
Herbert Xu 9 1.39% 2 9.09%
Yuan Kang 7 1.08% 1 4.55%
Kim Phillips 7 1.08% 1 4.55%
Catalin Vasile 3 0.46% 1 4.55%
Iuliana Prodan 1 0.15% 1 4.55%
Greg Kroah-Hartman 1 0.15% 1 4.55%
Total 646 22 


/* SPDX-License-Identifier: GPL-2.0 */
/*
 * Shared descriptors for aead, skcipher algorithms
 *
 * Copyright 2016, 2025 NXP
 */

#ifndef _CAAMALG_DESC_H_
#define _CAAMALG_DESC_H_

/* length of descriptors text */
#define DESC_AEAD_BASE			(4 * CAAM_CMD_SZ)
#define DESC_AEAD_ENC_LEN		(DESC_AEAD_BASE + 11 * CAAM_CMD_SZ)
#define DESC_AEAD_DEC_LEN		(DESC_AEAD_BASE + 15 * CAAM_CMD_SZ)
#define DESC_AEAD_GIVENC_LEN		(DESC_AEAD_ENC_LEN + 8 * CAAM_CMD_SZ)
#define DESC_QI_AEAD_ENC_LEN		(DESC_AEAD_ENC_LEN + 3 * CAAM_CMD_SZ)
#define DESC_QI_AEAD_DEC_LEN		(DESC_AEAD_DEC_LEN + 3 * CAAM_CMD_SZ)
#define DESC_QI_AEAD_GIVENC_LEN		(DESC_AEAD_GIVENC_LEN + 3 * CAAM_CMD_SZ)

/* Note: Nonce is counted in cdata.keylen */
#define DESC_AEAD_CTR_RFC3686_LEN	(4 * CAAM_CMD_SZ)

#define DESC_AEAD_NULL_BASE		(3 * CAAM_CMD_SZ)
#define DESC_AEAD_NULL_ENC_LEN		(DESC_AEAD_NULL_BASE + 11 * CAAM_CMD_SZ)
#define DESC_AEAD_NULL_DEC_LEN		(DESC_AEAD_NULL_BASE + 13 * CAAM_CMD_SZ)

#define DESC_GCM_BASE			(3 * CAAM_CMD_SZ)
#define DESC_GCM_ENC_LEN		(DESC_GCM_BASE + 16 * CAAM_CMD_SZ)
#define DESC_GCM_DEC_LEN		(DESC_GCM_BASE + 12 * CAAM_CMD_SZ)
#define DESC_QI_GCM_ENC_LEN		(DESC_GCM_ENC_LEN + 6 * CAAM_CMD_SZ)
#define DESC_QI_GCM_DEC_LEN		(DESC_GCM_DEC_LEN + 3 * CAAM_CMD_SZ)

#define DESC_RFC4106_BASE		(3 * CAAM_CMD_SZ)
#define DESC_RFC4106_ENC_LEN		(DESC_RFC4106_BASE + 16 * CAAM_CMD_SZ)
#define DESC_RFC4106_DEC_LEN		(DESC_RFC4106_BASE + 13 * CAAM_CMD_SZ)
#define DESC_QI_RFC4106_ENC_LEN		(DESC_RFC4106_ENC_LEN + 5 * CAAM_CMD_SZ)
#define DESC_QI_RFC4106_DEC_LEN		(DESC_RFC4106_DEC_LEN + 5 * CAAM_CMD_SZ)

#define DESC_RFC4543_BASE		(3 * CAAM_CMD_SZ)
#define DESC_RFC4543_ENC_LEN		(DESC_RFC4543_BASE + 11 * CAAM_CMD_SZ)
#define DESC_RFC4543_DEC_LEN		(DESC_RFC4543_BASE + 12 * CAAM_CMD_SZ)
#define DESC_QI_RFC4543_ENC_LEN		(DESC_RFC4543_ENC_LEN + 4 * CAAM_CMD_SZ)
#define DESC_QI_RFC4543_DEC_LEN		(DESC_RFC4543_DEC_LEN + 4 * CAAM_CMD_SZ)

#define DESC_SKCIPHER_BASE		(3 * CAAM_CMD_SZ)
#define DESC_SKCIPHER_ENC_LEN		(DESC_SKCIPHER_BASE + \
					 21 * CAAM_CMD_SZ)
#define DESC_SKCIPHER_DEC_LEN		(DESC_SKCIPHER_BASE + \
					 16 * CAAM_CMD_SZ)

/* Key modifier for CAAM Protected blobs */
#define KEYMOD "SECURE_KEY"

void cnstr_shdsc_aead_null_encap(u32 * const desc, struct alginfo *adata,
				 unsigned int icvsize, int era);

void cnstr_shdsc_aead_null_decap(u32 * const desc, struct alginfo *adata,
				 unsigned int icvsize, int era);

void cnstr_shdsc_aead_encap(u32 * const desc, struct alginfo *cdata,
			    struct alginfo *adata, unsigned int ivsize,
			    unsigned int icvsize, const bool is_rfc3686,
			    u32 *nonce, const u32 ctx1_iv_off,
			    const bool is_qi, int era);

void cnstr_shdsc_aead_decap(u32 * const desc, struct alginfo *cdata,
			    struct alginfo *adata, unsigned int ivsize,
			    unsigned int icvsize, const bool geniv,
			    const bool is_rfc3686, u32 *nonce,
			    const u32 ctx1_iv_off, const bool is_qi, int era);

void cnstr_shdsc_aead_givencap(u32 * const desc, struct alginfo *cdata,
			       struct alginfo *adata, unsigned int ivsize,
			       unsigned int icvsize, const bool is_rfc3686,
			       u32 *nonce, const u32 ctx1_iv_off,
			       const bool is_qi, int era);

void cnstr_shdsc_gcm_encap(u32 * const desc, struct alginfo *cdata,
			   unsigned int ivsize, unsigned int icvsize,
			   const bool is_qi);

void cnstr_shdsc_gcm_decap(u32 * const desc, struct alginfo *cdata,
			   unsigned int ivsize, unsigned int icvsize,
			   const bool is_qi);

void cnstr_shdsc_rfc4106_encap(u32 * const desc, struct alginfo *cdata,
			       unsigned int ivsize, unsigned int icvsize,
			       const bool is_qi);

void cnstr_shdsc_rfc4106_decap(u32 * const desc, struct alginfo *cdata,
			       unsigned int ivsize, unsigned int icvsize,
			       const bool is_qi);

void cnstr_shdsc_rfc4543_encap(u32 * const desc, struct alginfo *cdata,
			       unsigned int ivsize, unsigned int icvsize,
			       const bool is_qi);

void cnstr_shdsc_rfc4543_decap(u32 * const desc, struct alginfo *cdata,
			       unsigned int ivsize, unsigned int icvsize,
			       const bool is_qi);

void cnstr_shdsc_chachapoly(u32 * const desc, struct alginfo *cdata,
			    struct alginfo *adata, unsigned int ivsize,
			    unsigned int icvsize, const bool encap,
			    const bool is_qi);

void cnstr_shdsc_skcipher_encap(u32 * const desc, struct alginfo *cdata,
				unsigned int ivsize, const bool is_rfc3686,
				const u32 ctx1_iv_off);

void cnstr_shdsc_skcipher_decap(u32 * const desc, struct alginfo *cdata,
				unsigned int ivsize, const bool is_rfc3686,
				const u32 ctx1_iv_off);

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

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

void cnstr_desc_protected_blob_decap(u32 * const desc, struct alginfo *cdata,
				     dma_addr_t next_desc);

void cnstr_desc_skcipher_enc_dec(u32 * const desc, struct alginfo *cdata,
				 dma_addr_t src, dma_addr_t dst, unsigned int data_sz,
				 unsigned int in_options, unsigned int out_options,
				 unsigned int ivsize, const bool encrypt);

#endif /* _CAAMALG_DESC_H_ */