app/test-eventdev/test_order_queue.c

   1 /*
   2  *   BSD LICENSE
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   4  *   Copyright (C) Cavium 2017.
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   6  *   Redistribution and use in source and binary forms, with or without
   7  *   modification, are permitted provided that the following conditions
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   9  *
  10  *     * Redistributions of source code must retain the above copyright
  11  *       notice, this list of conditions and the following disclaimer.
  12  *     * Redistributions in binary form must reproduce the above copyright
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  14  *       the documentation and/or other materials provided with the
  15  *       distribution.
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  17  *       contributors may be used to endorse or promote products derived
  18  *       from this software without specific prior written permission.
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  21  *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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  24  *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  25  *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  26  *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  27  *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  28  *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  29  *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  30  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  31  */
  32
  33 #include <stdio.h>
  34 #include <unistd.h>
  35
  36 #include "test_order_common.h"
  37
  38 /* See http://dpdk.org/doc/guides/tools/testeventdev.html for test details */
  39
  40 #define NB_QUEUES 2
  41 static int
  42 order_queue_eventdev_setup(struct evt_test *test, struct evt_options *opt)
  43 {
  44         int ret;
  45
  46         const uint8_t nb_workers = evt_nr_active_lcores(opt->wlcores);
  47         /* number of active worker cores + 1 producer */
  48         const uint8_t nb_ports = nb_workers + 1;
  49
  50         const struct rte_event_dev_config config = {
  51                         .nb_event_queues = NB_QUEUES,/* q0 ordered, q1 atomic */
  52                         .nb_event_ports = nb_ports,
  53                         .nb_events_limit  = 4096,
  54                         .nb_event_queue_flows = opt->nb_flows,
  55                         .nb_event_port_dequeue_depth = 128,
  56                         .nb_event_port_enqueue_depth = 128,
  57         };
  58
  59         ret = rte_event_dev_configure(opt->dev_id, &config);
  60         if (ret) {
  61                 evt_err("failed to configure eventdev %d", opt->dev_id);
  62                 return ret;
  63         }
  64
  65         /* q0 (ordered queue) configuration */
  66         struct rte_event_queue_conf q0_ordered_conf = {
  67                         .priority = RTE_EVENT_DEV_PRIORITY_NORMAL,
  68                         .event_queue_cfg = RTE_EVENT_QUEUE_CFG_ORDERED_ONLY,
  69                         .nb_atomic_flows = opt->nb_flows,
  70                         .nb_atomic_order_sequences = opt->nb_flows,
  71         };
  72         ret = rte_event_queue_setup(opt->dev_id, 0, &q0_ordered_conf);
  73         if (ret) {
  74                 evt_err("failed to setup queue0 eventdev %d", opt->dev_id);
  75                 return ret;
  76         }
  77
  78         /* q1 (atomic queue) configuration */
  79         struct rte_event_queue_conf q1_atomic_conf = {
  80                         .priority = RTE_EVENT_DEV_PRIORITY_NORMAL,
  81                         .event_queue_cfg = RTE_EVENT_QUEUE_CFG_ATOMIC_ONLY,
  82                         .nb_atomic_flows = opt->nb_flows,
  83                         .nb_atomic_order_sequences = opt->nb_flows,
  84         };
  85         ret = rte_event_queue_setup(opt->dev_id, 1, &q1_atomic_conf);
  86         if (ret) {
  87                 evt_err("failed to setup queue1 eventdev %d", opt->dev_id);
  88                 return ret;
  89         }
  90
  91         /* setup one port per worker, linking to all queues */
  92         ret = order_event_dev_port_setup(test, opt, nb_workers, NB_QUEUES);
  93         if (ret)
  94                 return ret;
  95
  96         ret = rte_event_dev_start(opt->dev_id);
  97         if (ret) {
  98                 evt_err("failed to start eventdev %d", opt->dev_id);
  99                 return ret;
 100         }
 101
 102         return 0;
 103 }
 104
 105 static void
 106 order_queue_opt_dump(struct evt_options *opt)
 107 {
 108         order_opt_dump(opt);
 109         evt_dump("nb_evdev_queues", "%d", NB_QUEUES);
 110 }
 111
 112 static bool
 113 order_queue_capability_check(struct evt_options *opt)
 114 {
 115         struct rte_event_dev_info dev_info;
 116
 117         rte_event_dev_info_get(opt->dev_id, &dev_info);
 118         if (dev_info.max_event_queues < NB_QUEUES || dev_info.max_event_ports <
 119                         order_nb_event_ports(opt)) {
 120                 evt_err("not enough eventdev queues=%d/%d or ports=%d/%d",
 121                         NB_QUEUES, dev_info.max_event_queues,
 122                         order_nb_event_ports(opt), dev_info.max_event_ports);
 123                 return false;
 124         }
 125
 126         return true;
 127 }
 128
 129 static const struct evt_test_ops order_queue =  {
 130         .cap_check          = order_queue_capability_check,
 131         .opt_check          = order_opt_check,
 132         .opt_dump           = order_queue_opt_dump,
 133         .test_setup         = order_test_setup,
 134         .mempool_setup      = order_mempool_setup,
 135         .eventdev_setup     = order_queue_eventdev_setup,
 136         .eventdev_destroy   = order_eventdev_destroy,
 137         .mempool_destroy    = order_mempool_destroy,
 138         .test_result        = order_test_result,
 139         .test_destroy       = order_test_destroy,
 140 };
 141
 142 EVT_TEST_REGISTER(order_queue);