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 int
   8 cnxk_sso_init(struct rte_eventdev *event_dev)
   9 {
  10         const struct rte_memzone *mz = NULL;
  11         struct rte_pci_device *pci_dev;
  12         struct cnxk_sso_evdev *dev;
  13         int rc;
  14
  15         mz = rte_memzone_reserve(CNXK_SSO_MZ_NAME, sizeof(uint64_t),
  16                                  SOCKET_ID_ANY, 0);
  17         if (mz == NULL) {
  18                 plt_err("Failed to create eventdev memzone");
  19                 return -ENOMEM;
  20         }
  21
  22         dev = cnxk_sso_pmd_priv(event_dev);
  23         pci_dev = container_of(event_dev->dev, struct rte_pci_device, device);
  24         dev->sso.pci_dev = pci_dev;
  25
  26         *(uint64_t *)mz->addr = (uint64_t)dev;
  27
  28         /* Initialize the base cnxk_dev object */
  29         rc = roc_sso_dev_init(&dev->sso);
  30         if (rc < 0) {
  31                 plt_err("Failed to initialize RoC SSO rc=%d", rc);
  32                 goto error;
  33         }
  34
  35         dev->is_timeout_deq = 0;
  36         dev->min_dequeue_timeout_ns = USEC2NSEC(1);
  37         dev->max_dequeue_timeout_ns = USEC2NSEC(0x3FF);
  38         dev->max_num_events = -1;
  39         dev->nb_event_queues = 0;
  40         dev->nb_event_ports = 0;
  41
  42         return 0;
  43
  44 error:
  45         rte_memzone_free(mz);
  46         return rc;
  47 }
  48
  49 int
  50 cnxk_sso_fini(struct rte_eventdev *event_dev)
  51 {
  52         struct cnxk_sso_evdev *dev = cnxk_sso_pmd_priv(event_dev);
  53
  54         /* For secondary processes, nothing to be done */
  55         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
  56                 return 0;
  57
  58         roc_sso_rsrc_fini(&dev->sso);
  59         roc_sso_dev_fini(&dev->sso);
  60
  61         return 0;
  62 }
  63
  64 int
  65 cnxk_sso_remove(struct rte_pci_device *pci_dev)
  66 {
  67         return rte_event_pmd_pci_remove(pci_dev, cnxk_sso_fini);
  68 }