drivers/event/cnxk/cnxk_eventdev.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(C) 2021 Marvell.
   3  */
   4
   5 #include "cnxk_eventdev.h"
   6
   7 void
   8 cnxk_sso_info_get(struct cnxk_sso_evdev *dev,
   9                   struct rte_event_dev_info *dev_info)
  10 {
  11
  12         dev_info->min_dequeue_timeout_ns = dev->min_dequeue_timeout_ns;
  13         dev_info->max_dequeue_timeout_ns = dev->max_dequeue_timeout_ns;
  14         dev_info->max_event_queues = dev->max_event_queues;
  15         dev_info->max_event_queue_flows = (1ULL << 20);
  16         dev_info->max_event_queue_priority_levels = 8;
  17         dev_info->max_event_priority_levels = 1;
  18         dev_info->max_event_ports = dev->max_event_ports;
  19         dev_info->max_event_port_dequeue_depth = 1;
  20         dev_info->max_event_port_enqueue_depth = 1;
  21         dev_info->max_num_events = dev->max_num_events;
  22         dev_info->event_dev_cap = RTE_EVENT_DEV_CAP_QUEUE_QOS |
  23                                   RTE_EVENT_DEV_CAP_DISTRIBUTED_SCHED |
  24                                   RTE_EVENT_DEV_CAP_QUEUE_ALL_TYPES |
  25                                   RTE_EVENT_DEV_CAP_RUNTIME_PORT_LINK |
  26                                   RTE_EVENT_DEV_CAP_MULTIPLE_QUEUE_PORT |
  27                                   RTE_EVENT_DEV_CAP_NONSEQ_MODE |
  28                                   RTE_EVENT_DEV_CAP_CARRY_FLOW_ID;
  29 }
  30
  31 int
  32 cnxk_sso_dev_validate(const struct rte_eventdev *event_dev)
  33 {
  34         struct rte_event_dev_config *conf = &event_dev->data->dev_conf;
  35         struct cnxk_sso_evdev *dev = cnxk_sso_pmd_priv(event_dev);
  36         uint32_t deq_tmo_ns;
  37
  38         deq_tmo_ns = conf->dequeue_timeout_ns;
  39
  40         if (deq_tmo_ns == 0)
  41                 deq_tmo_ns = dev->min_dequeue_timeout_ns;
  42         if (deq_tmo_ns < dev->min_dequeue_timeout_ns ||
  43             deq_tmo_ns > dev->max_dequeue_timeout_ns) {
  44                 plt_err("Unsupported dequeue timeout requested");
  45                 return -EINVAL;
  46         }
  47
  48         if (conf->event_dev_cfg & RTE_EVENT_DEV_CFG_PER_DEQUEUE_TIMEOUT)
  49                 dev->is_timeout_deq = 1;
  50
  51         dev->deq_tmo_ns = deq_tmo_ns;
  52
  53         if (!conf->nb_event_queues || !conf->nb_event_ports ||
  54             conf->nb_event_ports > dev->max_event_ports ||
  55             conf->nb_event_queues > dev->max_event_queues) {
  56                 plt_err("Unsupported event queues/ports requested");
  57                 return -EINVAL;
  58         }
  59
  60         if (conf->nb_event_port_dequeue_depth > 1) {
  61                 plt_err("Unsupported event port deq depth requested");
  62                 return -EINVAL;
  63         }
  64
  65         if (conf->nb_event_port_enqueue_depth > 1) {
  66                 plt_err("Unsupported event port enq depth requested");
  67                 return -EINVAL;
  68         }
  69
  70         dev->nb_event_queues = conf->nb_event_queues;
  71         dev->nb_event_ports = conf->nb_event_ports;
  72
  73         return 0;
  74 }
  75
  76 void
  77 cnxk_sso_queue_def_conf(struct rte_eventdev *event_dev, uint8_t queue_id,
  78                         struct rte_event_queue_conf *queue_conf)
  79 {
  80         RTE_SET_USED(event_dev);
  81         RTE_SET_USED(queue_id);
  82
  83         queue_conf->nb_atomic_flows = (1ULL << 20);
  84         queue_conf->nb_atomic_order_sequences = (1ULL << 20);
  85         queue_conf->event_queue_cfg = RTE_EVENT_QUEUE_CFG_ALL_TYPES;
  86         queue_conf->priority = RTE_EVENT_DEV_PRIORITY_NORMAL;
  87 }
  88
  89 int
  90 cnxk_sso_queue_setup(struct rte_eventdev *event_dev, uint8_t queue_id,
  91                      const struct rte_event_queue_conf *queue_conf)
  92 {
  93         struct cnxk_sso_evdev *dev = cnxk_sso_pmd_priv(event_dev);
  94
  95         plt_sso_dbg("Queue=%d prio=%d", queue_id, queue_conf->priority);
  96         /* Normalize <0-255> to <0-7> */
  97         return roc_sso_hwgrp_set_priority(&dev->sso, queue_id, 0xFF, 0xFF,
  98                                           queue_conf->priority / 32);
  99 }
 100
 101 void
 102 cnxk_sso_queue_release(struct rte_eventdev *event_dev, uint8_t queue_id)
 103 {
 104         RTE_SET_USED(event_dev);
 105         RTE_SET_USED(queue_id);
 106 }
 107
 108 void
 109 cnxk_sso_port_def_conf(struct rte_eventdev *event_dev, uint8_t port_id,
 110                        struct rte_event_port_conf *port_conf)
 111 {
 112         struct cnxk_sso_evdev *dev = cnxk_sso_pmd_priv(event_dev);
 113
 114         RTE_SET_USED(port_id);
 115         port_conf->new_event_threshold = dev->max_num_events;
 116         port_conf->dequeue_depth = 1;
 117         port_conf->enqueue_depth = 1;
 118 }
 119
 120 int
 121 cnxk_sso_init(struct rte_eventdev *event_dev)
 122 {
 123         const struct rte_memzone *mz = NULL;
 124         struct rte_pci_device *pci_dev;
 125         struct cnxk_sso_evdev *dev;
 126         int rc;
 127
 128         mz = rte_memzone_reserve(CNXK_SSO_MZ_NAME, sizeof(uint64_t),
 129                                  SOCKET_ID_ANY, 0);
 130         if (mz == NULL) {
 131                 plt_err("Failed to create eventdev memzone");
 132                 return -ENOMEM;
 133         }
 134
 135         dev = cnxk_sso_pmd_priv(event_dev);
 136         pci_dev = container_of(event_dev->dev, struct rte_pci_device, device);
 137         dev->sso.pci_dev = pci_dev;
 138
 139         *(uint64_t *)mz->addr = (uint64_t)dev;
 140
 141         /* Initialize the base cnxk_dev object */
 142         rc = roc_sso_dev_init(&dev->sso);
 143         if (rc < 0) {
 144                 plt_err("Failed to initialize RoC SSO rc=%d", rc);
 145                 goto error;
 146         }
 147
 148         dev->is_timeout_deq = 0;
 149         dev->min_dequeue_timeout_ns = USEC2NSEC(1);
 150         dev->max_dequeue_timeout_ns = USEC2NSEC(0x3FF);
 151         dev->max_num_events = -1;
 152         dev->nb_event_queues = 0;
 153         dev->nb_event_ports = 0;
 154
 155         return 0;
 156
 157 error:
 158         rte_memzone_free(mz);
 159         return rc;
 160 }
 161
 162 int
 163 cnxk_sso_fini(struct rte_eventdev *event_dev)
 164 {
 165         struct cnxk_sso_evdev *dev = cnxk_sso_pmd_priv(event_dev);
 166
 167         /* For secondary processes, nothing to be done */
 168         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
 169                 return 0;
 170
 171         roc_sso_rsrc_fini(&dev->sso);
 172         roc_sso_dev_fini(&dev->sso);
 173
 174         return 0;
 175 }
 176
 177 int
 178 cnxk_sso_remove(struct rte_pci_device *pci_dev)
 179 {
 180         return rte_event_pmd_pci_remove(pci_dev, cnxk_sso_fini);
 181 }