drivers/crypto/qat/qat_adf/qat_algs.h

   1 /* SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0)
   2  * Copyright(c) 2015-2018 Intel Corporation
   3  */
   4 #ifndef _ICP_QAT_ALGS_H_
   5 #define _ICP_QAT_ALGS_H_
   6 #include <rte_memory.h>
   7 #include <rte_crypto.h>
   8 #include "icp_qat_hw.h"
   9 #include "icp_qat_fw.h"
  10 #include "icp_qat_fw_la.h"
  11 #include "../qat_crypto.h"
  12
  13 /*
  14  * Key Modifier (KM) value used in KASUMI algorithm in F9 mode to XOR
  15  * Integrity Key (IK)
  16  */
  17 #define KASUMI_F9_KEY_MODIFIER_4_BYTES   0xAAAAAAAA
  18
  19 #define KASUMI_F8_KEY_MODIFIER_4_BYTES   0x55555555
  20
  21 /* 3DES key sizes */
  22 #define QAT_3DES_KEY_SZ_OPT1 24 /* Keys are independent */
  23 #define QAT_3DES_KEY_SZ_OPT2 16 /* K3=K1 */
  24
  25 #define QAT_AES_HW_CONFIG_CBC_ENC(alg) \
  26         ICP_QAT_HW_CIPHER_CONFIG_BUILD(ICP_QAT_HW_CIPHER_CBC_MODE, alg, \
  27                                         ICP_QAT_HW_CIPHER_NO_CONVERT, \
  28                                         ICP_QAT_HW_CIPHER_ENCRYPT)
  29
  30 #define QAT_AES_HW_CONFIG_CBC_DEC(alg) \
  31         ICP_QAT_HW_CIPHER_CONFIG_BUILD(ICP_QAT_HW_CIPHER_CBC_MODE, alg, \
  32                                         ICP_QAT_HW_CIPHER_KEY_CONVERT, \
  33                                         ICP_QAT_HW_CIPHER_DECRYPT)
  34
  35 enum qat_crypto_proto_flag {
  36         QAT_CRYPTO_PROTO_FLAG_NONE = 0,
  37         QAT_CRYPTO_PROTO_FLAG_CCM = 1,
  38         QAT_CRYPTO_PROTO_FLAG_GCM = 2,
  39         QAT_CRYPTO_PROTO_FLAG_SNOW3G = 3,
  40         QAT_CRYPTO_PROTO_FLAG_ZUC = 4
  41 };
  42
  43 /* Common content descriptor */
  44 struct qat_alg_cd {
  45         struct icp_qat_hw_cipher_algo_blk cipher;
  46         struct icp_qat_hw_auth_algo_blk hash;
  47 } __rte_packed __rte_cache_aligned;
  48
  49 struct qat_session {
  50         enum icp_qat_fw_la_cmd_id qat_cmd;
  51         enum icp_qat_hw_cipher_algo qat_cipher_alg;
  52         enum icp_qat_hw_cipher_dir qat_dir;
  53         enum icp_qat_hw_cipher_mode qat_mode;
  54         enum icp_qat_hw_auth_algo qat_hash_alg;
  55         enum icp_qat_hw_auth_op auth_op;
  56         void *bpi_ctx;
  57         struct qat_alg_cd cd;
  58         uint8_t *cd_cur_ptr;
  59         rte_iova_t cd_paddr;
  60         struct icp_qat_fw_la_bulk_req fw_req;
  61         uint8_t aad_len;
  62         struct qat_crypto_instance *inst;
  63         struct {
  64                 uint16_t offset;
  65                 uint16_t length;
  66         } cipher_iv;
  67         struct {
  68                 uint16_t offset;
  69                 uint16_t length;
  70         } auth_iv;
  71         uint16_t digest_length;
  72         rte_spinlock_t lock;    /* protects this struct */
  73         enum qat_device_gen min_qat_dev_gen;
  74 };
  75
  76 int qat_get_inter_state_size(enum icp_qat_hw_auth_algo qat_hash_alg);
  77
  78 int qat_alg_aead_session_create_content_desc_cipher(struct qat_session *cd,
  79                                                 uint8_t *enckey,
  80                                                 uint32_t enckeylen);
  81
  82 int qat_alg_aead_session_create_content_desc_auth(struct qat_session *cdesc,
  83                                                 uint8_t *authkey,
  84                                                 uint32_t authkeylen,
  85                                                 uint32_t aad_length,
  86                                                 uint32_t digestsize,
  87                                                 unsigned int operation);
  88
  89 void qat_alg_init_common_hdr(struct icp_qat_fw_comn_req_hdr *header,
  90                                         enum qat_crypto_proto_flag proto_flags);
  91
  92 int qat_alg_validate_aes_key(int key_len, enum icp_qat_hw_cipher_algo *alg);
  93 int qat_alg_validate_aes_docsisbpi_key(int key_len,
  94                                         enum icp_qat_hw_cipher_algo *alg);
  95 int qat_alg_validate_snow3g_key(int key_len, enum icp_qat_hw_cipher_algo *alg);
  96 int qat_alg_validate_kasumi_key(int key_len, enum icp_qat_hw_cipher_algo *alg);
  97 int qat_alg_validate_3des_key(int key_len, enum icp_qat_hw_cipher_algo *alg);
  98 int qat_alg_validate_des_key(int key_len, enum icp_qat_hw_cipher_algo *alg);
  99 int qat_cipher_get_block_size(enum icp_qat_hw_cipher_algo qat_cipher_alg);
 100 int qat_alg_validate_zuc_key(int key_len, enum icp_qat_hw_cipher_algo *alg);
 101 #endif