drivers/crypto/qat/qat_sym_session.h

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2015-2019 Intel Corporation
   3  */
   4 #ifndef _QAT_SYM_SESSION_H_
   5 #define _QAT_SYM_SESSION_H_
   6
   7 #include <rte_crypto.h>
   8 #include <rte_cryptodev_pmd.h>
   9 #ifdef RTE_LIB_SECURITY
  10 #include <rte_security.h>
  11 #endif
  12
  13 #include "qat_common.h"
  14 #include "icp_qat_hw.h"
  15 #include "icp_qat_fw.h"
  16 #include "icp_qat_fw_la.h"
  17
  18 /*
  19  * Key Modifier (KM) value used in KASUMI algorithm in F9 mode to XOR
  20  * Integrity Key (IK)
  21  */
  22 #define KASUMI_F9_KEY_MODIFIER_4_BYTES   0xAAAAAAAA
  23
  24 #define KASUMI_F8_KEY_MODIFIER_4_BYTES   0x55555555
  25
  26 /*
  27  * AES-GCM J0 length
  28  */
  29 #define AES_GCM_J0_LEN 16
  30
  31 /* 3DES key sizes */
  32 #define QAT_3DES_KEY_SZ_OPT1 24 /* Keys are independent */
  33 #define QAT_3DES_KEY_SZ_OPT2 16 /* K3=K1 */
  34 #define QAT_3DES_KEY_SZ_OPT3 8 /* K1=K2=K3 */
  35
  36 /* 96-bit case of IV for CCP/GCM single pass algorithm */
  37 #define QAT_AES_GCM_SPC_IV_SIZE 12
  38
  39 #define QAT_AES_HW_CONFIG_CBC_ENC(alg) \
  40         ICP_QAT_HW_CIPHER_CONFIG_BUILD(ICP_QAT_HW_CIPHER_CBC_MODE, alg, \
  41                                         ICP_QAT_HW_CIPHER_NO_CONVERT, \
  42                                         ICP_QAT_HW_CIPHER_ENCRYPT)
  43
  44 #define QAT_AES_HW_CONFIG_CBC_DEC(alg) \
  45         ICP_QAT_HW_CIPHER_CONFIG_BUILD(ICP_QAT_HW_CIPHER_CBC_MODE, alg, \
  46                                         ICP_QAT_HW_CIPHER_KEY_CONVERT, \
  47                                         ICP_QAT_HW_CIPHER_DECRYPT)
  48
  49 #define QAT_AES_CMAC_CONST_RB 0x87
  50
  51 enum qat_sym_proto_flag {
  52         QAT_CRYPTO_PROTO_FLAG_NONE = 0,
  53         QAT_CRYPTO_PROTO_FLAG_CCM = 1,
  54         QAT_CRYPTO_PROTO_FLAG_GCM = 2,
  55         QAT_CRYPTO_PROTO_FLAG_SNOW3G = 3,
  56         QAT_CRYPTO_PROTO_FLAG_ZUC = 4
  57 };
  58
  59 /* Common content descriptor */
  60 struct qat_sym_cd {
  61         struct icp_qat_hw_cipher_algo_blk cipher;
  62         struct icp_qat_hw_auth_algo_blk hash;
  63 } __rte_packed __rte_cache_aligned;
  64
  65 struct qat_sym_session {
  66         enum icp_qat_fw_la_cmd_id qat_cmd;
  67         enum icp_qat_hw_cipher_algo qat_cipher_alg;
  68         enum icp_qat_hw_cipher_dir qat_dir;
  69         enum icp_qat_hw_cipher_mode qat_mode;
  70         enum icp_qat_hw_auth_algo qat_hash_alg;
  71         enum icp_qat_hw_auth_op auth_op;
  72         enum icp_qat_hw_auth_mode auth_mode;
  73         void *bpi_ctx;
  74         struct qat_sym_cd cd;
  75         uint8_t *cd_cur_ptr;
  76         phys_addr_t cd_paddr;
  77         struct icp_qat_fw_la_bulk_req fw_req;
  78         uint8_t aad_len;
  79         struct qat_crypto_instance *inst;
  80         struct {
  81                 uint16_t offset;
  82                 uint16_t length;
  83         } cipher_iv;
  84         struct {
  85                 uint16_t offset;
  86                 uint16_t length;
  87         } auth_iv;
  88         uint16_t auth_key_length;
  89         uint16_t digest_length;
  90         rte_spinlock_t lock;    /* protects this struct */
  91         enum qat_device_gen min_qat_dev_gen;
  92         uint8_t aes_cmac;
  93         uint8_t is_single_pass;
  94         uint8_t is_single_pass_gmac;
  95 };
  96
  97 int
  98 qat_sym_session_configure(struct rte_cryptodev *dev,
  99                 struct rte_crypto_sym_xform *xform,
 100                 struct rte_cryptodev_sym_session *sess,
 101                 struct rte_mempool *mempool);
 102
 103 int
 104 qat_sym_session_set_parameters(struct rte_cryptodev *dev,
 105                 struct rte_crypto_sym_xform *xform, void *session_private);
 106
 107 int
 108 qat_sym_session_configure_aead(struct rte_cryptodev *dev,
 109                                 struct rte_crypto_sym_xform *xform,
 110                                 struct qat_sym_session *session);
 111
 112 int
 113 qat_sym_session_configure_cipher(struct rte_cryptodev *dev,
 114                 struct rte_crypto_sym_xform *xform,
 115                 struct qat_sym_session *session);
 116
 117 int
 118 qat_sym_session_configure_auth(struct rte_cryptodev *dev,
 119                                 struct rte_crypto_sym_xform *xform,
 120                                 struct qat_sym_session *session);
 121
 122 int
 123 qat_sym_session_aead_create_cd_cipher(struct qat_sym_session *cd,
 124                                                 const uint8_t *enckey,
 125                                                 uint32_t enckeylen);
 126
 127 int
 128 qat_sym_session_aead_create_cd_auth(struct qat_sym_session *cdesc,
 129                                                 const uint8_t *authkey,
 130                                                 uint32_t authkeylen,
 131                                                 uint32_t aad_length,
 132                                                 uint32_t digestsize,
 133                                                 unsigned int operation);
 134
 135 void
 136 qat_sym_session_clear(struct rte_cryptodev *dev,
 137                 struct rte_cryptodev_sym_session *session);
 138
 139 unsigned int
 140 qat_sym_session_get_private_size(struct rte_cryptodev *dev);
 141
 142 void
 143 qat_sym_sesssion_init_common_hdr(struct icp_qat_fw_comn_req_hdr *header,
 144                                         enum qat_sym_proto_flag proto_flags);
 145 int
 146 qat_sym_validate_aes_key(int key_len, enum icp_qat_hw_cipher_algo *alg);
 147 int
 148 qat_sym_validate_aes_docsisbpi_key(int key_len,
 149                                         enum icp_qat_hw_cipher_algo *alg);
 150 int
 151 qat_sym_validate_snow3g_key(int key_len, enum icp_qat_hw_cipher_algo *alg);
 152 int
 153 qat_sym_validate_kasumi_key(int key_len, enum icp_qat_hw_cipher_algo *alg);
 154 int
 155 qat_sym_validate_3des_key(int key_len, enum icp_qat_hw_cipher_algo *alg);
 156 int
 157 qat_sym_validate_des_key(int key_len, enum icp_qat_hw_cipher_algo *alg);
 158 int
 159 qat_cipher_get_block_size(enum icp_qat_hw_cipher_algo qat_cipher_alg);
 160 int
 161 qat_sym_validate_zuc_key(int key_len, enum icp_qat_hw_cipher_algo *alg);
 162
 163 #ifdef RTE_LIB_SECURITY
 164 int
 165 qat_security_session_create(void *dev, struct rte_security_session_conf *conf,
 166                 struct rte_security_session *sess, struct rte_mempool *mempool);
 167 int
 168 qat_security_session_destroy(void *dev, struct rte_security_session *sess);
 169 #endif
 170
 171 #endif /* _QAT_SYM_SESSION_H_ */