drivers/crypto/qat/qat_asym.h

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2019 Intel Corporation
   3  */
   4
   5 #ifndef _QAT_ASYM_H_
   6 #define _QAT_ASYM_H_
   7
   8 #include <rte_cryptodev_pmd.h>
   9 #include <rte_crypto_asym.h>
  10 #include "icp_qat_fw_pke.h"
  11 #include "qat_common.h"
  12 #include "qat_asym_pmd.h"
  13 #include "icp_qat_fw.h"
  14
  15 typedef uint64_t large_int_ptr;
  16 #define MAX_PKE_PARAMS  8
  17 #define QAT_PKE_MAX_LN_SIZE 512
  18 #define _PKE_ALIGN_ __attribute__((__aligned__(8)))
  19
  20 #define QAT_ASYM_MAX_PARAMS                     8
  21 #define QAT_ASYM_MODINV_NUM_IN_PARAMS           2
  22 #define QAT_ASYM_MODINV_NUM_OUT_PARAMS          1
  23 #define QAT_ASYM_MODEXP_NUM_IN_PARAMS           3
  24 #define QAT_ASYM_MODEXP_NUM_OUT_PARAMS          1
  25
  26 struct qat_asym_op_cookie {
  27         size_t alg_size;
  28         uint64_t error;
  29         rte_iova_t input_addr;
  30         rte_iova_t output_addr;
  31         large_int_ptr input_params_ptrs[MAX_PKE_PARAMS] _PKE_ALIGN_;
  32         large_int_ptr output_params_ptrs[MAX_PKE_PARAMS] _PKE_ALIGN_;
  33         union {
  34                 uint8_t input_array[MAX_PKE_PARAMS][QAT_PKE_MAX_LN_SIZE];
  35                 uint8_t input_buffer[MAX_PKE_PARAMS * QAT_PKE_MAX_LN_SIZE];
  36         } _PKE_ALIGN_;
  37         uint8_t output_array[MAX_PKE_PARAMS][QAT_PKE_MAX_LN_SIZE] _PKE_ALIGN_;
  38 } _PKE_ALIGN_;
  39
  40 struct qat_asym_session {
  41         struct icp_qat_fw_pke_request req_tmpl;
  42         struct rte_crypto_asym_xform *xform;
  43 };
  44
  45 int
  46 qat_asym_session_configure(struct rte_cryptodev *dev,
  47                 struct rte_crypto_asym_xform *xform,
  48                 struct rte_cryptodev_asym_session *sess,
  49                 struct rte_mempool *mempool);
  50
  51 unsigned int
  52 qat_asym_session_get_private_size(struct rte_cryptodev *dev);
  53
  54 void
  55 qat_asym_session_clear(struct rte_cryptodev *dev,
  56                 struct rte_cryptodev_asym_session *sess);
  57
  58 /*
  59  * Build PKE request to be sent to the fw, partially uses template
  60  * request generated during session creation.
  61  *
  62  * @param       in_op           Pointer to the crypto operation, for every
  63  *                              service it points to service specific struct.
  64  * @param       out_msg         Message to be returned to enqueue function
  65  * @param       op_cookie       Cookie pointer that holds private metadata
  66  * @param       qat_dev_gen     Generation of QAT hardware
  67  *
  68  * @return
  69  *      This function always returns zero,
  70  *      it is because of backward compatibility.
  71  *      - 0: Always returned
  72  *
  73  */
  74 int
  75 qat_asym_build_request(void *in_op, uint8_t *out_msg,
  76                 void *op_cookie, enum qat_device_gen qat_dev_gen);
  77
  78 /*
  79  * Process PKE response received from outgoing queue of QAT
  80  *
  81  * @param       op              a ptr to the rte_crypto_op referred to by
  82  *                              the response message is returned in this param
  83  * @param       resp            icp_qat_fw_pke_resp message received from
  84  *                              outgoing fw message queue
  85  * @param       op_cookie       Cookie pointer that holds private metadata
  86  *
  87  */
  88 void
  89 qat_asym_process_response(void __rte_unused **op, uint8_t *resp,
  90                 void *op_cookie);
  91
  92 #endif /* _QAT_ASYM_H_ */