drivers/crypto/qat/qat_sym_session.h

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2015-2018 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
  10 #include "qat_common.h"
  11 #include "icp_qat_hw.h"
  12 #include "icp_qat_fw.h"
  13 #include "icp_qat_fw_la.h"
  14
  15 /*
  16  * Key Modifier (KM) value used in KASUMI algorithm in F9 mode to XOR
  17  * Integrity Key (IK)
  18  */
  19 #define KASUMI_F9_KEY_MODIFIER_4_BYTES   0xAAAAAAAA
  20
  21 #define KASUMI_F8_KEY_MODIFIER_4_BYTES   0x55555555
  22
  23 /* 3DES key sizes */
  24 #define QAT_3DES_KEY_SZ_OPT1 24 /* Keys are independent */
  25 #define QAT_3DES_KEY_SZ_OPT2 16 /* K3=K1 */
  26 #define QAT_3DES_KEY_SZ_OPT3 8 /* K1=K2=K3 */
  27
  28
  29 #define QAT_AES_HW_CONFIG_CBC_ENC(alg) \
  30         ICP_QAT_HW_CIPHER_CONFIG_BUILD(ICP_QAT_HW_CIPHER_CBC_MODE, alg, \
  31                                         ICP_QAT_HW_CIPHER_NO_CONVERT, \
  32                                         ICP_QAT_HW_CIPHER_ENCRYPT)
  33
  34 #define QAT_AES_HW_CONFIG_CBC_DEC(alg) \
  35         ICP_QAT_HW_CIPHER_CONFIG_BUILD(ICP_QAT_HW_CIPHER_CBC_MODE, alg, \
  36                                         ICP_QAT_HW_CIPHER_KEY_CONVERT, \
  37                                         ICP_QAT_HW_CIPHER_DECRYPT)
  38
  39 #define QAT_AES_CMAC_CONST_RB 0x87
  40
  41 enum qat_sym_proto_flag {
  42         QAT_CRYPTO_PROTO_FLAG_NONE = 0,
  43         QAT_CRYPTO_PROTO_FLAG_CCM = 1,
  44         QAT_CRYPTO_PROTO_FLAG_GCM = 2,
  45         QAT_CRYPTO_PROTO_FLAG_SNOW3G = 3,
  46         QAT_CRYPTO_PROTO_FLAG_ZUC = 4
  47 };
  48
  49 /* Common content descriptor */
  50 struct qat_sym_cd {
  51         struct icp_qat_hw_cipher_algo_blk cipher;
  52         struct icp_qat_hw_auth_algo_blk hash;
  53 } __rte_packed __rte_cache_aligned;
  54
  55 struct qat_sym_session {
  56         enum icp_qat_fw_la_cmd_id qat_cmd;
  57         enum icp_qat_hw_cipher_algo qat_cipher_alg;
  58         enum icp_qat_hw_cipher_dir qat_dir;
  59         enum icp_qat_hw_cipher_mode qat_mode;
  60         enum icp_qat_hw_auth_algo qat_hash_alg;
  61         enum icp_qat_hw_auth_op auth_op;
  62         void *bpi_ctx;
  63         struct qat_sym_cd cd;
  64         uint8_t *cd_cur_ptr;
  65         phys_addr_t cd_paddr;
  66         struct icp_qat_fw_la_bulk_req fw_req;
  67         uint8_t aad_len;
  68         struct qat_crypto_instance *inst;
  69         struct {
  70                 uint16_t offset;
  71                 uint16_t length;
  72         } cipher_iv;
  73         struct {
  74                 uint16_t offset;
  75                 uint16_t length;
  76         } auth_iv;
  77         uint16_t digest_length;
  78         rte_spinlock_t lock;    /* protects this struct */
  79         enum qat_device_gen min_qat_dev_gen;
  80         uint8_t aes_cmac;
  81 };
  82
  83 int
  84 qat_sym_session_configure(struct rte_cryptodev *dev,
  85                 struct rte_crypto_sym_xform *xform,
  86                 struct rte_cryptodev_sym_session *sess,
  87                 struct rte_mempool *mempool);
  88
  89 int
  90 qat_sym_session_set_parameters(struct rte_cryptodev *dev,
  91                 struct rte_crypto_sym_xform *xform, void *session_private);
  92
  93 int
  94 qat_sym_session_configure_aead(struct rte_crypto_sym_xform *xform,
  95                                 struct qat_sym_session *session);
  96
  97 int
  98 qat_sym_session_configure_cipher(struct rte_cryptodev *dev,
  99                 struct rte_crypto_sym_xform *xform,
 100                 struct qat_sym_session *session);
 101
 102 int
 103 qat_sym_session_configure_auth(struct rte_cryptodev *dev,
 104                                 struct rte_crypto_sym_xform *xform,
 105                                 struct qat_sym_session *session);
 106
 107 int
 108 qat_sym_session_aead_create_cd_cipher(struct qat_sym_session *cd,
 109                                                 uint8_t *enckey,
 110                                                 uint32_t enckeylen);
 111
 112 int
 113 qat_sym_session_aead_create_cd_auth(struct qat_sym_session *cdesc,
 114                                                 uint8_t *authkey,
 115                                                 uint32_t authkeylen,
 116                                                 uint32_t aad_length,
 117                                                 uint32_t digestsize,
 118                                                 unsigned int operation);
 119
 120 void
 121 qat_sym_session_clear(struct rte_cryptodev *dev,
 122                 struct rte_cryptodev_sym_session *session);
 123
 124 unsigned int
 125 qat_sym_session_get_private_size(struct rte_cryptodev *dev);
 126
 127 void
 128 qat_sym_sesssion_init_common_hdr(struct icp_qat_fw_comn_req_hdr *header,
 129                                         enum qat_sym_proto_flag proto_flags);
 130 int
 131 qat_sym_validate_aes_key(int key_len, enum icp_qat_hw_cipher_algo *alg);
 132 int
 133 qat_sym_validate_aes_docsisbpi_key(int key_len,
 134                                         enum icp_qat_hw_cipher_algo *alg);
 135 int
 136 qat_sym_validate_snow3g_key(int key_len, enum icp_qat_hw_cipher_algo *alg);
 137 int
 138 qat_sym_validate_kasumi_key(int key_len, enum icp_qat_hw_cipher_algo *alg);
 139 int
 140 qat_sym_validate_3des_key(int key_len, enum icp_qat_hw_cipher_algo *alg);
 141 int
 142 qat_sym_validate_des_key(int key_len, enum icp_qat_hw_cipher_algo *alg);
 143 int
 144 qat_cipher_get_block_size(enum icp_qat_hw_cipher_algo qat_cipher_alg);
 145 int
 146 qat_sym_validate_zuc_key(int key_len, enum icp_qat_hw_cipher_algo *alg);
 147
 148 #endif /* _QAT_SYM_SESSION_H_ */