ceph/src/spdk/dpdk/app/test-eventdev/test_order_queue.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2017 Cavium, Inc
   3  */
   4
   5 #include <stdio.h>
   6 #include <unistd.h>
   7
   8 #include "test_order_common.h"
   9
  10 /* See http://dpdk.org/doc/guides/tools/testeventdev.html for test details */
  11
  12 static inline __attribute__((always_inline)) void
  13 order_queue_process_stage_0(struct rte_event *const ev)
  14 {
  15         ev->queue_id = 1; /* q1 atomic queue */
  16         ev->op = RTE_EVENT_OP_FORWARD;
  17         ev->sched_type = RTE_SCHED_TYPE_ATOMIC;
  18         ev->event_type = RTE_EVENT_TYPE_CPU;
  19 }
  20
  21 static int
  22 order_queue_worker(void *arg)
  23 {
  24         ORDER_WORKER_INIT;
  25         struct rte_event ev;
  26
  27         while (t->err == false) {
  28                 uint16_t event = rte_event_dequeue_burst(dev_id, port,
  29                                         &ev, 1, 0);
  30                 if (!event) {
  31                         if (rte_atomic64_read(outstand_pkts) <= 0)
  32                                 break;
  33                         rte_pause();
  34                         continue;
  35                 }
  36
  37                 if (ev.queue_id == 0) { /* from ordered queue */
  38                         order_queue_process_stage_0(&ev);
  39                         while (rte_event_enqueue_burst(dev_id, port, &ev, 1)
  40                                         != 1)
  41                                 rte_pause();
  42                 } else if (ev.queue_id == 1) { /* from atomic queue */
  43                         order_process_stage_1(t, &ev, nb_flows,
  44                                         expected_flow_seq, outstand_pkts);
  45                 } else {
  46                         order_process_stage_invalid(t, &ev);
  47                 }
  48         }
  49         return 0;
  50 }
  51
  52 static int
  53 order_queue_worker_burst(void *arg)
  54 {
  55         ORDER_WORKER_INIT;
  56         struct rte_event ev[BURST_SIZE];
  57         uint16_t i;
  58
  59         while (t->err == false) {
  60                 uint16_t const nb_rx = rte_event_dequeue_burst(dev_id, port, ev,
  61                                 BURST_SIZE, 0);
  62
  63                 if (nb_rx == 0) {
  64                         if (rte_atomic64_read(outstand_pkts) <= 0)
  65                                 break;
  66                         rte_pause();
  67                         continue;
  68                 }
  69
  70                 for (i = 0; i < nb_rx; i++) {
  71                         if (ev[i].queue_id == 0) { /* from ordered queue */
  72                                 order_queue_process_stage_0(&ev[i]);
  73                         } else if (ev[i].queue_id == 1) {/* from atomic queue */
  74                                 order_process_stage_1(t, &ev[i], nb_flows,
  75                                         expected_flow_seq, outstand_pkts);
  76                                 ev[i].op = RTE_EVENT_OP_RELEASE;
  77                         } else {
  78                                 order_process_stage_invalid(t, &ev[i]);
  79                         }
  80                 }
  81
  82                 uint16_t enq;
  83
  84                 enq = rte_event_enqueue_burst(dev_id, port, ev, nb_rx);
  85                 while (enq < nb_rx) {
  86                         enq += rte_event_enqueue_burst(dev_id, port,
  87                                                         ev + enq, nb_rx - enq);
  88                 }
  89         }
  90         return 0;
  91 }
  92
  93 static int
  94 worker_wrapper(void *arg)
  95 {
  96         struct worker_data *w  = arg;
  97         const bool burst = evt_has_burst_mode(w->dev_id);
  98
  99         if (burst)
 100                 return order_queue_worker_burst(arg);
 101         else
 102                 return order_queue_worker(arg);
 103 }
 104
 105 static int
 106 order_queue_launch_lcores(struct evt_test *test, struct evt_options *opt)
 107 {
 108         return order_launch_lcores(test, opt, worker_wrapper);
 109 }
 110
 111 #define NB_QUEUES 2
 112 static int
 113 order_queue_eventdev_setup(struct evt_test *test, struct evt_options *opt)
 114 {
 115         int ret;
 116
 117         const uint8_t nb_workers = evt_nr_active_lcores(opt->wlcores);
 118         /* number of active worker cores + 1 producer */
 119         const uint8_t nb_ports = nb_workers + 1;
 120
 121         const struct rte_event_dev_config config = {
 122                         .nb_event_queues = NB_QUEUES,/* q0 ordered, q1 atomic */
 123                         .nb_event_ports = nb_ports,
 124                         .nb_events_limit  = 4096,
 125                         .nb_event_queue_flows = opt->nb_flows,
 126                         .nb_event_port_dequeue_depth = 128,
 127                         .nb_event_port_enqueue_depth = 128,
 128         };
 129
 130         ret = rte_event_dev_configure(opt->dev_id, &config);
 131         if (ret) {
 132                 evt_err("failed to configure eventdev %d", opt->dev_id);
 133                 return ret;
 134         }
 135
 136         /* q0 (ordered queue) configuration */
 137         struct rte_event_queue_conf q0_ordered_conf = {
 138                         .priority = RTE_EVENT_DEV_PRIORITY_NORMAL,
 139                         .schedule_type = RTE_SCHED_TYPE_ORDERED,
 140                         .nb_atomic_flows = opt->nb_flows,
 141                         .nb_atomic_order_sequences = opt->nb_flows,
 142         };
 143         ret = rte_event_queue_setup(opt->dev_id, 0, &q0_ordered_conf);
 144         if (ret) {
 145                 evt_err("failed to setup queue0 eventdev %d", opt->dev_id);
 146                 return ret;
 147         }
 148
 149         /* q1 (atomic queue) configuration */
 150         struct rte_event_queue_conf q1_atomic_conf = {
 151                         .priority = RTE_EVENT_DEV_PRIORITY_NORMAL,
 152                         .schedule_type = RTE_SCHED_TYPE_ATOMIC,
 153                         .nb_atomic_flows = opt->nb_flows,
 154                         .nb_atomic_order_sequences = opt->nb_flows,
 155         };
 156         ret = rte_event_queue_setup(opt->dev_id, 1, &q1_atomic_conf);
 157         if (ret) {
 158                 evt_err("failed to setup queue1 eventdev %d", opt->dev_id);
 159                 return ret;
 160         }
 161
 162         /* setup one port per worker, linking to all queues */
 163         ret = order_event_dev_port_setup(test, opt, nb_workers, NB_QUEUES);
 164         if (ret)
 165                 return ret;
 166
 167         if (!evt_has_distributed_sched(opt->dev_id)) {
 168                 uint32_t service_id;
 169                 rte_event_dev_service_id_get(opt->dev_id, &service_id);
 170                 ret = evt_service_setup(service_id);
 171                 if (ret) {
 172                         evt_err("No service lcore found to run event dev.");
 173                         return ret;
 174                 }
 175         }
 176
 177         ret = rte_event_dev_start(opt->dev_id);
 178         if (ret) {
 179                 evt_err("failed to start eventdev %d", opt->dev_id);
 180                 return ret;
 181         }
 182
 183         return 0;
 184 }
 185
 186 static void
 187 order_queue_opt_dump(struct evt_options *opt)
 188 {
 189         order_opt_dump(opt);
 190         evt_dump("nb_evdev_queues", "%d", NB_QUEUES);
 191 }
 192
 193 static bool
 194 order_queue_capability_check(struct evt_options *opt)
 195 {
 196         struct rte_event_dev_info dev_info;
 197
 198         rte_event_dev_info_get(opt->dev_id, &dev_info);
 199         if (dev_info.max_event_queues < NB_QUEUES || dev_info.max_event_ports <
 200                         order_nb_event_ports(opt)) {
 201                 evt_err("not enough eventdev queues=%d/%d or ports=%d/%d",
 202                         NB_QUEUES, dev_info.max_event_queues,
 203                         order_nb_event_ports(opt), dev_info.max_event_ports);
 204                 return false;
 205         }
 206
 207         return true;
 208 }
 209
 210 static const struct evt_test_ops order_queue =  {
 211         .cap_check          = order_queue_capability_check,
 212         .opt_check          = order_opt_check,
 213         .opt_dump           = order_queue_opt_dump,
 214         .test_setup         = order_test_setup,
 215         .mempool_setup      = order_mempool_setup,
 216         .eventdev_setup     = order_queue_eventdev_setup,
 217         .launch_lcores      = order_queue_launch_lcores,
 218         .eventdev_destroy   = order_eventdev_destroy,
 219         .mempool_destroy    = order_mempool_destroy,
 220         .test_result        = order_test_result,
 221         .test_destroy       = order_test_destroy,
 222 };
 223
 224 EVT_TEST_REGISTER(order_queue);