1 /* 2 * SPDX-License-Identifier: BSD-3-Clause 3 * Copyright(c) 2017 Cavium, Inc 4 */ 5 6 #include "timvf_evdev.h" 7 8 int otx_logtype_timvf; 9 10 RTE_INIT(otx_timvf_init_log); 11 static void 12 otx_timvf_init_log(void) 13 { 14 otx_logtype_timvf = rte_log_register("pmd.event.octeontx.timer"); 15 if (otx_logtype_timvf >= 0) 16 rte_log_set_level(otx_logtype_timvf, RTE_LOG_NOTICE); 17 } 18 19 static void 20 timvf_ring_info_get(const struct rte_event_timer_adapter *adptr, 21 struct rte_event_timer_adapter_info *adptr_info) 22 { 23 struct timvf_ring *timr = adptr->data->adapter_priv; 24 adptr_info->max_tmo_ns = timr->max_tout; 25 adptr_info->min_resolution_ns = timr->tck_nsec; 26 rte_memcpy(&adptr_info->conf, &adptr->data->conf, 27 sizeof(struct rte_event_timer_adapter_conf)); 28 } 29 30 static int 31 timvf_ring_create(struct rte_event_timer_adapter *adptr) 32 { 33 char pool_name[25]; 34 int ret; 35 uint64_t nb_timers; 36 struct rte_event_timer_adapter_conf *rcfg = &adptr->data->conf; 37 struct timvf_ring *timr; 38 struct timvf_info tinfo; 39 const char *mempool_ops; 40 41 if (timvf_info(&tinfo) < 0) 42 return -ENODEV; 43 44 if (adptr->data->id >= tinfo.total_timvfs) 45 return -ENODEV; 46 47 timr = rte_zmalloc("octeontx_timvf_priv", 48 sizeof(struct timvf_ring), 0); 49 if (timr == NULL) 50 return -ENOMEM; 51 52 adptr->data->adapter_priv = timr; 53 /* Check config parameters. */ 54 if ((rcfg->clk_src != RTE_EVENT_TIMER_ADAPTER_CPU_CLK) && 55 (!rcfg->timer_tick_ns || 56 rcfg->timer_tick_ns < TIM_MIN_INTERVAL)) { 57 timvf_log_err("Too low timer ticks"); 58 goto cfg_err; 59 } 60 61 timr->clk_src = (int) rcfg->clk_src; 62 timr->tim_ring_id = adptr->data->id; 63 timr->tck_nsec = rcfg->timer_tick_ns; 64 timr->max_tout = rcfg->max_tmo_ns; 65 timr->nb_bkts = (timr->max_tout / timr->tck_nsec); 66 timr->vbar0 = timvf_bar(timr->tim_ring_id, 0); 67 timr->bkt_pos = (uint8_t *)timr->vbar0 + TIM_VRING_REL; 68 nb_timers = rcfg->nb_timers; 69 timr->get_target_bkt = bkt_mod; 70 71 timr->nb_chunks = nb_timers / nb_chunk_slots; 72 73 timr->bkt = rte_zmalloc("octeontx_timvf_bucket", 74 (timr->nb_bkts) * sizeof(struct tim_mem_bucket), 75 0); 76 if (timr->bkt == NULL) 77 goto mem_err; 78 79 snprintf(pool_name, 30, "timvf_chunk_pool%d", timr->tim_ring_id); 80 timr->chunk_pool = (void *)rte_mempool_create_empty(pool_name, 81 timr->nb_chunks, TIM_CHUNK_SIZE, 0, 0, rte_socket_id(), 82 0); 83 84 if (!timr->chunk_pool) { 85 rte_free(timr->bkt); 86 timvf_log_err("Unable to create chunkpool."); 87 return -ENOMEM; 88 } 89 90 mempool_ops = rte_mbuf_best_mempool_ops(); 91 ret = rte_mempool_set_ops_byname(timr->chunk_pool, 92 mempool_ops, NULL); 93 94 if (ret != 0) { 95 timvf_log_err("Unable to set chunkpool ops."); 96 goto mem_err; 97 } 98 99 ret = rte_mempool_populate_default(timr->chunk_pool); 100 if (ret < 0) { 101 timvf_log_err("Unable to set populate chunkpool."); 102 goto mem_err; 103 } 104 timvf_write64(0, (uint8_t *)timr->vbar0 + TIM_VRING_BASE); 105 timvf_write64(0, (uint8_t *)timr->vbar0 + TIM_VF_NRSPERR_INT); 106 timvf_write64(0, (uint8_t *)timr->vbar0 + TIM_VF_NRSPERR_INT_W1S); 107 timvf_write64(0x7, (uint8_t *)timr->vbar0 + TIM_VF_NRSPERR_ENA_W1C); 108 timvf_write64(0x7, (uint8_t *)timr->vbar0 + TIM_VF_NRSPERR_ENA_W1S); 109 110 return 0; 111 mem_err: 112 rte_free(timr); 113 return -ENOMEM; 114 cfg_err: 115 rte_free(timr); 116 return -EINVAL; 117 } 118 119 static int 120 timvf_ring_free(struct rte_event_timer_adapter *adptr) 121 { 122 struct timvf_ring *timr = adptr->data->adapter_priv; 123 rte_mempool_free(timr->chunk_pool); 124 rte_free(timr->bkt); 125 rte_free(adptr->data->adapter_priv); 126 return 0; 127 } 128 129 static struct rte_event_timer_adapter_ops timvf_ops = { 130 .init = timvf_ring_create, 131 .uninit = timvf_ring_free, 132 .get_info = timvf_ring_info_get, 133 }; 134 135 int 136 timvf_timer_adapter_caps_get(const struct rte_eventdev *dev, uint64_t flags, 137 uint32_t *caps, const struct rte_event_timer_adapter_ops **ops, 138 uint8_t enable_stats) 139 { 140 RTE_SET_USED(dev); 141 RTE_SET_USED(flags); 142 RTE_SET_USED(enable_stats); 143 *caps = RTE_EVENT_TIMER_ADAPTER_CAP_INTERNAL_PORT; 144 *ops = &timvf_ops; 145 return -EINVAL; 146 } 147