ceph/src/spdk/dpdk/app/test-eventdev/evt_common.h

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2017 Cavium, Inc
   3  */
   4
   5 #ifndef _EVT_COMMON_
   6 #define _EVT_COMMON_
   7
   8 #include <rte_common.h>
   9 #include <rte_debug.h>
  10 #include <rte_eventdev.h>
  11 #include <rte_service.h>
  12
  13 #define CLNRM  "\x1b[0m"
  14 #define CLRED  "\x1b[31m"
  15 #define CLGRN  "\x1b[32m"
  16 #define CLYEL  "\x1b[33m"
  17
  18 #define evt_err(fmt, args...) \
  19         fprintf(stderr, CLRED"error: %s() "fmt CLNRM "\n", __func__, ## args)
  20
  21 #define evt_info(fmt, args...) \
  22         fprintf(stdout, CLYEL""fmt CLNRM "\n", ## args)
  23
  24 #define EVT_STR_FMT 20
  25
  26 #define evt_dump(str, fmt, val...) \
  27         printf("\t%-*s : "fmt"\n", EVT_STR_FMT, str, ## val)
  28
  29 #define evt_dump_begin(str) printf("\t%-*s : {", EVT_STR_FMT, str)
  30
  31 #define evt_dump_end printf("\b}\n")
  32
  33 #define EVT_MAX_STAGES           64
  34 #define EVT_MAX_PORTS            256
  35 #define EVT_MAX_QUEUES           256
  36
  37 enum evt_prod_type {
  38         EVT_PROD_TYPE_NONE,
  39         EVT_PROD_TYPE_SYNT,          /* Producer type Synthetic i.e. CPU. */
  40         EVT_PROD_TYPE_ETH_RX_ADPTR,  /* Producer type Eth Rx Adapter. */
  41         EVT_PROD_TYPE_EVENT_TIMER_ADPTR,  /* Producer type Timer Adapter. */
  42         EVT_PROD_TYPE_MAX,
  43 };
  44
  45 struct evt_options {
  46 #define EVT_TEST_NAME_MAX_LEN     32
  47         char test_name[EVT_TEST_NAME_MAX_LEN];
  48         bool plcores[RTE_MAX_LCORE];
  49         bool wlcores[RTE_MAX_LCORE];
  50         int pool_sz;
  51         int socket_id;
  52         int nb_stages;
  53         int verbose_level;
  54         uint8_t dev_id;
  55         uint8_t timdev_cnt;
  56         uint8_t nb_timer_adptrs;
  57         uint8_t timdev_use_burst;
  58         uint8_t sched_type_list[EVT_MAX_STAGES];
  59         uint16_t mbuf_sz;
  60         uint16_t wkr_deq_dep;
  61         uint32_t nb_flows;
  62         uint32_t tx_first;
  63         uint32_t max_pkt_sz;
  64         uint32_t deq_tmo_nsec;
  65         uint32_t q_priority:1;
  66         uint32_t fwd_latency:1;
  67         uint64_t nb_pkts;
  68         uint64_t nb_timers;
  69         uint64_t expiry_nsec;
  70         uint64_t max_tmo_nsec;
  71         uint64_t timer_tick_nsec;
  72         uint64_t optm_timer_tick_nsec;
  73         enum evt_prod_type prod_type;
  74 };
  75
  76 static inline bool
  77 evt_has_distributed_sched(uint8_t dev_id)
  78 {
  79         struct rte_event_dev_info dev_info;
  80
  81         rte_event_dev_info_get(dev_id, &dev_info);
  82         return (dev_info.event_dev_cap & RTE_EVENT_DEV_CAP_DISTRIBUTED_SCHED) ?
  83                         true : false;
  84 }
  85
  86 static inline bool
  87 evt_has_burst_mode(uint8_t dev_id)
  88 {
  89         struct rte_event_dev_info dev_info;
  90
  91         rte_event_dev_info_get(dev_id, &dev_info);
  92         return (dev_info.event_dev_cap & RTE_EVENT_DEV_CAP_BURST_MODE) ?
  93                         true : false;
  94 }
  95
  96
  97 static inline bool
  98 evt_has_all_types_queue(uint8_t dev_id)
  99 {
 100         struct rte_event_dev_info dev_info;
 101
 102         rte_event_dev_info_get(dev_id, &dev_info);
 103         return (dev_info.event_dev_cap & RTE_EVENT_DEV_CAP_QUEUE_ALL_TYPES) ?
 104                         true : false;
 105 }
 106
 107 static inline int
 108 evt_service_setup(uint32_t service_id)
 109 {
 110         int32_t core_cnt;
 111         unsigned int lcore = 0;
 112         uint32_t core_array[RTE_MAX_LCORE];
 113         uint8_t cnt;
 114         uint8_t min_cnt = UINT8_MAX;
 115
 116         if (!rte_service_lcore_count())
 117                 return -ENOENT;
 118
 119         core_cnt = rte_service_lcore_list(core_array,
 120                         RTE_MAX_LCORE);
 121         if (core_cnt < 0)
 122                 return -ENOENT;
 123         /* Get the core which has least number of services running. */
 124         while (core_cnt--) {
 125                 /* Reset default mapping */
 126                 rte_service_map_lcore_set(service_id,
 127                                 core_array[core_cnt], 0);
 128                 cnt = rte_service_lcore_count_services(
 129                                 core_array[core_cnt]);
 130                 if (cnt < min_cnt) {
 131                         lcore = core_array[core_cnt];
 132                         min_cnt = cnt;
 133                 }
 134         }
 135         if (rte_service_map_lcore_set(service_id, lcore, 1))
 136                 return -ENOENT;
 137
 138         return 0;
 139 }
 140
 141 static inline int
 142 evt_configure_eventdev(struct evt_options *opt, uint8_t nb_queues,
 143                 uint8_t nb_ports)
 144 {
 145         struct rte_event_dev_info info;
 146         int ret;
 147
 148         memset(&info, 0, sizeof(struct rte_event_dev_info));
 149         ret = rte_event_dev_info_get(opt->dev_id, &info);
 150         if (ret) {
 151                 evt_err("failed to get eventdev info %d", opt->dev_id);
 152                 return ret;
 153         }
 154
 155         if (opt->deq_tmo_nsec) {
 156                 if (opt->deq_tmo_nsec < info.min_dequeue_timeout_ns) {
 157                         opt->deq_tmo_nsec = info.min_dequeue_timeout_ns;
 158                         evt_info("dequeue_timeout_ns too low, using %d",
 159                                         opt->deq_tmo_nsec);
 160                 }
 161                 if (opt->deq_tmo_nsec > info.max_dequeue_timeout_ns) {
 162                         opt->deq_tmo_nsec = info.max_dequeue_timeout_ns;
 163                         evt_info("dequeue_timeout_ns too high, using %d",
 164                                         opt->deq_tmo_nsec);
 165                 }
 166         }
 167
 168         const struct rte_event_dev_config config = {
 169                         .dequeue_timeout_ns = opt->deq_tmo_nsec,
 170                         .nb_event_queues = nb_queues,
 171                         .nb_event_ports = nb_ports,
 172                         .nb_events_limit  = info.max_num_events,
 173                         .nb_event_queue_flows = opt->nb_flows,
 174                         .nb_event_port_dequeue_depth =
 175                                 info.max_event_port_dequeue_depth,
 176                         .nb_event_port_enqueue_depth =
 177                                 info.max_event_port_enqueue_depth,
 178         };
 179
 180         return rte_event_dev_configure(opt->dev_id, &config);
 181 }
 182
 183 #endif /*  _EVT_COMMON_*/