LXR dpdk/drivers/crypto/cnxk/cnxk_cryptodev

   1/* SPDX-License-Identifier: BSD-3-Clause
   2 * Copyright(C) 2021 Marvell.
   3 */
   4
   5#ifndef _CNXK_CRYPTODEV_OPS_H_
   6#define _CNXK_CRYPTODEV_OPS_H_
   7
   8#include <rte_cryptodev.h>
   9
  10#include "roc_api.h"
  11
  12#define CNXK_CPT_MIN_HEADROOM_REQ 24
  13
  14/* Default command timeout in seconds */
  15#define DEFAULT_COMMAND_TIMEOUT 4
  16
  17#define MOD_INC(i, l) ((i) == (l - 1) ? (i) = 0 : (i)++)
  18
  19struct cpt_qp_meta_info {
  20        struct rte_mempool *pool;
  21        int mlen;
  22};
  23
  24enum sym_xform_type {
  25        CNXK_CPT_CIPHER = 1,
  26        CNXK_CPT_AUTH,
  27        CNXK_CPT_AEAD,
  28        CNXK_CPT_CIPHER_ENC_AUTH_GEN,
  29        CNXK_CPT_AUTH_VRFY_CIPHER_DEC,
  30        CNXK_CPT_AUTH_GEN_CIPHER_ENC,
  31        CNXK_CPT_CIPHER_DEC_AUTH_VRFY
  32};
  33
  34#define CPT_OP_FLAGS_METABUF           (1 << 1)
  35#define CPT_OP_FLAGS_AUTH_VERIFY       (1 << 0)
  36#define CPT_OP_FLAGS_IPSEC_DIR_INBOUND (1 << 2)
  37
  38struct cpt_inflight_req {
  39        union cpt_res_s res;
  40        struct rte_crypto_op *cop;
  41        void *mdata;
  42        uint8_t op_flags;
  43} __rte_aligned(16);
  44
  45struct pending_queue {
  46        /** Pending requests count */
  47        uint64_t pending_count;
  48        /** Array of pending requests */
  49        struct cpt_inflight_req *req_queue;
  50        /** Tail of queue to be used for enqueue */
  51        uint16_t enq_tail;
  52        /** Head of queue to be used for dequeue */
  53        uint16_t deq_head;
  54        /** Timeout to track h/w being unresponsive */
  55        uint64_t time_out;
  56};
  57
  58struct cnxk_cpt_qp {
  59        struct roc_cpt_lf lf;
  60        /**< Crypto LF */
  61        struct pending_queue pend_q;
  62        /**< Pending queue */
  63        struct rte_mempool *sess_mp;
  64        /**< Session mempool */
  65        struct rte_mempool *sess_mp_priv;
  66        /**< Session private data mempool */
  67        struct cpt_qp_meta_info meta_info;
  68        /**< Metabuf info required to support operations on the queue pair */
  69        struct roc_cpt_lmtline lmtline;
  70        /**< Lmtline information */
  71};
  72
  73int cnxk_cpt_dev_config(struct rte_cryptodev *dev,
  74                        struct rte_cryptodev_config *conf);
  75
  76int cnxk_cpt_dev_start(struct rte_cryptodev *dev);
  77
  78void cnxk_cpt_dev_stop(struct rte_cryptodev *dev);
  79
  80int cnxk_cpt_dev_close(struct rte_cryptodev *dev);
  81
  82void cnxk_cpt_dev_info_get(struct rte_cryptodev *dev,
  83                           struct rte_cryptodev_info *info);
  84
  85int cnxk_cpt_queue_pair_setup(struct rte_cryptodev *dev, uint16_t qp_id,
  86                              const struct rte_cryptodev_qp_conf *conf,
  87                              int socket_id __rte_unused);
  88
  89int cnxk_cpt_queue_pair_release(struct rte_cryptodev *dev, uint16_t qp_id);
  90
  91unsigned int cnxk_cpt_sym_session_get_size(struct rte_cryptodev *dev);
  92
  93int cnxk_cpt_sym_session_configure(struct rte_cryptodev *dev,
  94                                   struct rte_crypto_sym_xform *xform,
  95                                   struct rte_cryptodev_sym_session *sess,
  96                                   struct rte_mempool *pool);
  97
  98int sym_session_configure(struct roc_cpt *roc_cpt, int driver_id,
  99                          struct rte_crypto_sym_xform *xform,
 100                          struct rte_cryptodev_sym_session *sess,
 101                          struct rte_mempool *pool);
 102
 103void cnxk_cpt_sym_session_clear(struct rte_cryptodev *dev,
 104                                struct rte_cryptodev_sym_session *sess);
 105
 106void sym_session_clear(int driver_id, struct rte_cryptodev_sym_session *sess);
 107
 108unsigned int cnxk_ae_session_size_get(struct rte_cryptodev *dev __rte_unused);
 109
 110void cnxk_ae_session_clear(struct rte_cryptodev *dev,
 111                           struct rte_cryptodev_asym_session *sess);
 112int cnxk_ae_session_cfg(struct rte_cryptodev *dev,
 113                        struct rte_crypto_asym_xform *xform,
 114                        struct rte_cryptodev_asym_session *sess,
 115                        struct rte_mempool *pool);
 116#endif /* _CNXK_CRYPTODEV_OPS_H_ */
 117