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/* SPDX-License-Identifier: GPL-2.0-only
* Copyright (C) 2020 Marvell.
*/
#ifndef __OTX2_CPT_ALGS_H
#define __OTX2_CPT_ALGS_H
#include <crypto/hash.h>
#include <crypto/skcipher.h>
#include <crypto/aead.h>
#include "otx2_cpt_common.h"
#include "cn10k_cpt.h"
#define OTX2_CPT_MAX_ENC_KEY_SIZE 32
#define OTX2_CPT_MAX_HASH_KEY_SIZE 64
#define OTX2_CPT_MAX_KEY_SIZE (OTX2_CPT_MAX_ENC_KEY_SIZE + \
OTX2_CPT_MAX_HASH_KEY_SIZE)
enum otx2_cpt_request_type {
OTX2_CPT_ENC_DEC_REQ = 0x1,
OTX2_CPT_AEAD_ENC_DEC_REQ = 0x2,
OTX2_CPT_AEAD_ENC_DEC_NULL_REQ = 0x3,
OTX2_CPT_PASSTHROUGH_REQ = 0x4
};
enum otx2_cpt_major_opcodes {
OTX2_CPT_MAJOR_OP_MISC = 0x01,
OTX2_CPT_MAJOR_OP_FC = 0x33,
OTX2_CPT_MAJOR_OP_HMAC = 0x35,
};
enum otx2_cpt_cipher_type {
OTX2_CPT_CIPHER_NULL = 0x0,
OTX2_CPT_DES3_CBC = 0x1,
OTX2_CPT_DES3_ECB = 0x2,
OTX2_CPT_AES_CBC = 0x3,
OTX2_CPT_AES_ECB = 0x4,
OTX2_CPT_AES_CFB = 0x5,
OTX2_CPT_AES_CTR = 0x6,
OTX2_CPT_AES_GCM = 0x7,
OTX2_CPT_AES_XTS = 0x8
};
enum otx2_cpt_mac_type {
OTX2_CPT_MAC_NULL = 0x0,
OTX2_CPT_MD5 = 0x1,
OTX2_CPT_SHA1 = 0x2,
OTX2_CPT_SHA224 = 0x3,
OTX2_CPT_SHA256 = 0x4,
OTX2_CPT_SHA384 = 0x5,
OTX2_CPT_SHA512 = 0x6,
OTX2_CPT_GMAC = 0x7
};
enum otx2_cpt_aes_key_len {
OTX2_CPT_AES_128_BIT = 0x1,
OTX2_CPT_AES_192_BIT = 0x2,
OTX2_CPT_AES_256_BIT = 0x3
};
union otx2_cpt_encr_ctrl {
u64 u;
struct {
#if defined(__BIG_ENDIAN_BITFIELD)
u64 enc_cipher:4;
u64 reserved_59:1;
u64 aes_key:2;
u64 iv_source:1;
u64 mac_type:4;
u64 reserved_49_51:3;
u64 auth_input_type:1;
u64 mac_len:8;
u64 reserved_32_39:8;
u64 encr_offset:16;
u64 iv_offset:8;
u64 auth_offset:8;
#else
u64 auth_offset:8;
u64 iv_offset:8;
u64 encr_offset:16;
u64 reserved_32_39:8;
u64 mac_len:8;
u64 auth_input_type:1;
u64 reserved_49_51:3;
u64 mac_type:4;
u64 iv_source:1;
u64 aes_key:2;
u64 reserved_59:1;
u64 enc_cipher:4;
#endif
} e;
};
struct otx2_cpt_cipher {
const char *name;
u8 value;
};
struct otx2_cpt_fc_enc_ctx {
union otx2_cpt_encr_ctrl enc_ctrl;
u8 encr_key[32];
u8 encr_iv[16];
};
union otx2_cpt_fc_hmac_ctx {
struct {
u8 ipad[64];
u8 opad[64];
} e;
struct {
u8 hmac_calc[64]; /* HMAC calculated */
u8 hmac_recv[64]; /* HMAC received */
} s;
};
struct otx2_cpt_fc_ctx {
struct otx2_cpt_fc_enc_ctx enc;
union otx2_cpt_fc_hmac_ctx hmac;
};
struct otx2_cpt_enc_ctx {
u32 key_len;
u8 enc_key[OTX2_CPT_MAX_KEY_SIZE];
u8 cipher_type;
u8 key_type;
u8 enc_align_len;
struct crypto_skcipher *fbk_cipher;
struct pci_dev *pdev;
struct cn10k_cpt_errata_ctx er_ctx;
};
union otx2_cpt_offset_ctrl {
u64 flags;
struct {
#if defined(__BIG_ENDIAN_BITFIELD)
u64 reserved:32;
u64 enc_data_offset:16;
u64 iv_offset:8;
u64 auth_offset:8;
#else
u64 auth_offset:8;
u64 iv_offset:8;
u64 enc_data_offset:16;
u64 reserved:32;
#endif
} e;
};
struct otx2_cpt_req_ctx {
struct otx2_cpt_req_info cpt_req;
union otx2_cpt_offset_ctrl ctrl_word;
struct otx2_cpt_fc_ctx fctx;
union {
struct skcipher_request sk_fbk_req;
struct aead_request fbk_req;
};
};
struct otx2_cpt_sdesc {
struct shash_desc shash;
};
struct otx2_cpt_aead_ctx {
u8 key[OTX2_CPT_MAX_KEY_SIZE];
struct crypto_shash *hashalg;
struct otx2_cpt_sdesc *sdesc;
struct crypto_aead *fbk_cipher;
struct cn10k_cpt_errata_ctx er_ctx;
struct pci_dev *pdev;
u8 *ipad;
u8 *opad;
u32 enc_key_len;
u32 auth_key_len;
u8 cipher_type;
u8 mac_type;
u8 key_type;
u8 is_trunc_hmac;
u8 enc_align_len;
};
int otx2_cpt_crypto_init(struct pci_dev *pdev, struct module *mod,
int num_queues, int num_devices);
void otx2_cpt_crypto_exit(struct pci_dev *pdev, struct module *mod);
#endif /* __OTX2_CPT_ALGS_H */
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