drivers/crypto/octeontx2/otx2_cryptodev_ops_helper.h

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright (C) 2020 Marvell International Ltd.
   3  */
   4
   5 #ifndef _OTX2_CRYPTODEV_OPS_HELPER_H_
   6 #define _OTX2_CRYPTODEV_OPS_HELPER_H_
   7
   8 #include "cpt_pmd_logs.h"
   9
  10 static void
  11 sym_session_clear(int driver_id, struct rte_cryptodev_sym_session *sess)
  12 {
  13         void *priv = get_sym_session_private_data(sess, driver_id);
  14         struct cpt_sess_misc *misc;
  15         struct rte_mempool *pool;
  16         struct cpt_ctx *ctx;
  17
  18         if (priv == NULL)
  19                 return;
  20
  21         misc = priv;
  22         ctx = SESS_PRIV(misc);
  23
  24         if (ctx->auth_key != NULL)
  25                 rte_free(ctx->auth_key);
  26
  27         memset(priv, 0, cpt_get_session_size());
  28
  29         pool = rte_mempool_from_obj(priv);
  30
  31         set_sym_session_private_data(sess, driver_id, NULL);
  32
  33         rte_mempool_put(pool, priv);
  34 }
  35
  36 static __rte_always_inline uint8_t
  37 otx2_cpt_compcode_get(struct cpt_request_info *req)
  38 {
  39         volatile struct cpt_res_s_9s *res;
  40         uint8_t ret;
  41
  42         res = (volatile struct cpt_res_s_9s *)req->completion_addr;
  43
  44         if (unlikely(res->compcode == CPT_9X_COMP_E_NOTDONE)) {
  45                 if (rte_get_timer_cycles() < req->time_out)
  46                         return ERR_REQ_PENDING;
  47
  48                 CPT_LOG_DP_ERR("Request timed out");
  49                 return ERR_REQ_TIMEOUT;
  50         }
  51
  52         if (likely(res->compcode == CPT_9X_COMP_E_GOOD)) {
  53                 ret = NO_ERR;
  54                 if (unlikely(res->uc_compcode)) {
  55                         ret = res->uc_compcode;
  56                         CPT_LOG_DP_DEBUG("Request failed with microcode error");
  57                         CPT_LOG_DP_DEBUG("MC completion code 0x%x",
  58                                          res->uc_compcode);
  59                 }
  60         } else {
  61                 CPT_LOG_DP_DEBUG("HW completion code 0x%x", res->compcode);
  62
  63                 ret = res->compcode;
  64                 switch (res->compcode) {
  65                 case CPT_9X_COMP_E_INSTERR:
  66                         CPT_LOG_DP_ERR("Request failed with instruction error");
  67                         break;
  68                 case CPT_9X_COMP_E_FAULT:
  69                         CPT_LOG_DP_ERR("Request failed with DMA fault");
  70                         break;
  71                 case CPT_9X_COMP_E_HWERR:
  72                         CPT_LOG_DP_ERR("Request failed with hardware error");
  73                         break;
  74                 default:
  75                         CPT_LOG_DP_ERR("Request failed with unknown completion code");
  76                 }
  77         }
  78
  79         return ret;
  80 }
  81
  82 #endif /* _OTX2_CRYPTODEV_OPS_HELPER_H_ */