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1/* SPDX-License-Identifier: GPL-2.0-only2 * Copyright (C) 2020 Marvell.3 */4 5#ifndef __OTX2_CPT_ALGS_H6#define __OTX2_CPT_ALGS_H7 8#include <crypto/hash.h>9#include <crypto/skcipher.h>10#include <crypto/aead.h>11#include "otx2_cpt_common.h"12#include "cn10k_cpt.h"13 14#define OTX2_CPT_MAX_ENC_KEY_SIZE 3215#define OTX2_CPT_MAX_HASH_KEY_SIZE 6416#define OTX2_CPT_MAX_KEY_SIZE (OTX2_CPT_MAX_ENC_KEY_SIZE + \17 OTX2_CPT_MAX_HASH_KEY_SIZE)18enum otx2_cpt_request_type {19 OTX2_CPT_ENC_DEC_REQ = 0x1,20 OTX2_CPT_AEAD_ENC_DEC_REQ = 0x2,21 OTX2_CPT_AEAD_ENC_DEC_NULL_REQ = 0x3,22 OTX2_CPT_PASSTHROUGH_REQ = 0x423};24 25enum otx2_cpt_major_opcodes {26 OTX2_CPT_MAJOR_OP_MISC = 0x01,27 OTX2_CPT_MAJOR_OP_FC = 0x33,28 OTX2_CPT_MAJOR_OP_HMAC = 0x35,29};30 31enum otx2_cpt_cipher_type {32 OTX2_CPT_CIPHER_NULL = 0x0,33 OTX2_CPT_DES3_CBC = 0x1,34 OTX2_CPT_DES3_ECB = 0x2,35 OTX2_CPT_AES_CBC = 0x3,36 OTX2_CPT_AES_ECB = 0x4,37 OTX2_CPT_AES_CFB = 0x5,38 OTX2_CPT_AES_CTR = 0x6,39 OTX2_CPT_AES_GCM = 0x7,40 OTX2_CPT_AES_XTS = 0x841};42 43enum otx2_cpt_mac_type {44 OTX2_CPT_MAC_NULL = 0x0,45 OTX2_CPT_MD5 = 0x1,46 OTX2_CPT_SHA1 = 0x2,47 OTX2_CPT_SHA224 = 0x3,48 OTX2_CPT_SHA256 = 0x4,49 OTX2_CPT_SHA384 = 0x5,50 OTX2_CPT_SHA512 = 0x6,51 OTX2_CPT_GMAC = 0x752};53 54enum otx2_cpt_aes_key_len {55 OTX2_CPT_AES_128_BIT = 0x1,56 OTX2_CPT_AES_192_BIT = 0x2,57 OTX2_CPT_AES_256_BIT = 0x358};59 60union otx2_cpt_encr_ctrl {61 u64 u;62 struct {63#if defined(__BIG_ENDIAN_BITFIELD)64 u64 enc_cipher:4;65 u64 reserved_59:1;66 u64 aes_key:2;67 u64 iv_source:1;68 u64 mac_type:4;69 u64 reserved_49_51:3;70 u64 auth_input_type:1;71 u64 mac_len:8;72 u64 reserved_32_39:8;73 u64 encr_offset:16;74 u64 iv_offset:8;75 u64 auth_offset:8;76#else77 u64 auth_offset:8;78 u64 iv_offset:8;79 u64 encr_offset:16;80 u64 reserved_32_39:8;81 u64 mac_len:8;82 u64 auth_input_type:1;83 u64 reserved_49_51:3;84 u64 mac_type:4;85 u64 iv_source:1;86 u64 aes_key:2;87 u64 reserved_59:1;88 u64 enc_cipher:4;89#endif90 } e;91};92 93struct otx2_cpt_cipher {94 const char *name;95 u8 value;96};97 98struct otx2_cpt_fc_enc_ctx {99 union otx2_cpt_encr_ctrl enc_ctrl;100 u8 encr_key[32];101 u8 encr_iv[16];102};103 104union otx2_cpt_fc_hmac_ctx {105 struct {106 u8 ipad[64];107 u8 opad[64];108 } e;109 struct {110 u8 hmac_calc[64]; /* HMAC calculated */111 u8 hmac_recv[64]; /* HMAC received */112 } s;113};114 115struct otx2_cpt_fc_ctx {116 struct otx2_cpt_fc_enc_ctx enc;117 union otx2_cpt_fc_hmac_ctx hmac;118};119 120struct otx2_cpt_enc_ctx {121 u32 key_len;122 u8 enc_key[OTX2_CPT_MAX_KEY_SIZE];123 u8 cipher_type;124 u8 key_type;125 u8 enc_align_len;126 struct crypto_skcipher *fbk_cipher;127 struct pci_dev *pdev;128 struct cn10k_cpt_errata_ctx er_ctx;129};130 131union otx2_cpt_offset_ctrl {132 u64 flags;133 struct {134#if defined(__BIG_ENDIAN_BITFIELD)135 u64 reserved:32;136 u64 enc_data_offset:16;137 u64 iv_offset:8;138 u64 auth_offset:8;139#else140 u64 auth_offset:8;141 u64 iv_offset:8;142 u64 enc_data_offset:16;143 u64 reserved:32;144#endif145 } e;146};147 148struct otx2_cpt_req_ctx {149 struct otx2_cpt_req_info cpt_req;150 union otx2_cpt_offset_ctrl ctrl_word;151 struct otx2_cpt_fc_ctx fctx;152 union {153 struct skcipher_request sk_fbk_req;154 struct aead_request fbk_req;155 };156};157 158struct otx2_cpt_sdesc {159 struct shash_desc shash;160};161 162struct otx2_cpt_aead_ctx {163 u8 key[OTX2_CPT_MAX_KEY_SIZE];164 struct crypto_shash *hashalg;165 struct otx2_cpt_sdesc *sdesc;166 struct crypto_aead *fbk_cipher;167 struct cn10k_cpt_errata_ctx er_ctx;168 struct pci_dev *pdev;169 u8 *ipad;170 u8 *opad;171 u32 enc_key_len;172 u32 auth_key_len;173 u8 cipher_type;174 u8 mac_type;175 u8 key_type;176 u8 is_trunc_hmac;177 u8 enc_align_len;178};179int otx2_cpt_crypto_init(struct pci_dev *pdev, struct module *mod,180 int num_queues, int num_devices);181void otx2_cpt_crypto_exit(struct pci_dev *pdev, struct module *mod);182 183#endif /* __OTX2_CPT_ALGS_H */184