drivers/crypto/caam/caamalg_desc.h

root/drivers/crypto/caam/caamalg_desc.h
/* 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_ */
Linux
