ceph/src/dpdk/examples/ip_pipeline/thread_fe.h

   1 /*-
   2  *   BSD LICENSE
   3  *
   4  *   Copyright(c) 2010-2015 Intel Corporation. All rights reserved.
   5  *   All rights reserved.
   6  *
   7  *   Redistribution and use in source and binary forms, with or without
   8  *   modification, are permitted provided that the following conditions
   9  *   are met:
  10  *
  11  *     * Redistributions of source code must retain the above copyright
  12  *       notice, this list of conditions and the following disclaimer.
  13  *     * Redistributions in binary form must reproduce the above copyright
  14  *       notice, this list of conditions and the following disclaimer in
  15  *       the documentation and/or other materials provided with the
  16  *       distribution.
  17  *     * Neither the name of Intel Corporation nor the names of its
  18  *       contributors may be used to endorse or promote products derived
  19  *       from this software without specific prior written permission.
  20  *
  21  *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  22  *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  23  *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  24  *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  25  *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  26  *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  27  *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  28  *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  29  *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  30  *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  31  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  32  */
  33
  34 #ifndef THREAD_FE_H_
  35 #define THREAD_FE_H_
  36
  37 static inline struct rte_ring *
  38 app_thread_msgq_in_get(struct app_params *app,
  39                 uint32_t socket_id, uint32_t core_id, uint32_t ht_id)
  40 {
  41         char msgq_name[32];
  42         ssize_t param_idx;
  43
  44         snprintf(msgq_name, sizeof(msgq_name),
  45                 "MSGQ-REQ-CORE-s%" PRIu32 "c%" PRIu32 "%s",
  46                 socket_id,
  47                 core_id,
  48                 (ht_id) ? "h" : "");
  49         param_idx = APP_PARAM_FIND(app->msgq_params, msgq_name);
  50
  51         if (param_idx < 0)
  52                 return NULL;
  53
  54         return app->msgq[param_idx];
  55 }
  56
  57 static inline struct rte_ring *
  58 app_thread_msgq_out_get(struct app_params *app,
  59                 uint32_t socket_id, uint32_t core_id, uint32_t ht_id)
  60 {
  61         char msgq_name[32];
  62         ssize_t param_idx;
  63
  64         snprintf(msgq_name, sizeof(msgq_name),
  65                 "MSGQ-RSP-CORE-s%" PRIu32 "c%" PRIu32 "%s",
  66                 socket_id,
  67                 core_id,
  68                 (ht_id) ? "h" : "");
  69         param_idx = APP_PARAM_FIND(app->msgq_params, msgq_name);
  70
  71         if (param_idx < 0)
  72                 return NULL;
  73
  74         return app->msgq[param_idx];
  75
  76 }
  77
  78 int
  79 app_pipeline_thread_cmd_push(struct app_params *app);
  80
  81 int
  82 app_pipeline_enable(struct app_params *app,
  83                 uint32_t core_id,
  84                 uint32_t socket_id,
  85                 uint32_t hyper_th_id,
  86                 uint32_t pipeline_id);
  87
  88 int
  89 app_pipeline_disable(struct app_params *app,
  90                 uint32_t core_id,
  91                 uint32_t socket_id,
  92                 uint32_t hyper_th_id,
  93                 uint32_t pipeline_id);
  94
  95 int
  96 app_thread_headroom(struct app_params *app,
  97                 uint32_t core_id,
  98                 uint32_t socket_id,
  99                 uint32_t hyper_th_id);
 100
 101 #endif /* THREAD_FE_H_ */