drivers/event/dlb/rte_pmd_dlb.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2020 Intel Corporation
   3  */
   4
   5 #include "rte_eventdev.h"
   6 #include "rte_eventdev_pmd.h"
   7 #include "rte_pmd_dlb.h"
   8 #include "dlb_priv.h"
   9 #include "dlb_inline_fns.h"
  10
  11 int
  12 rte_pmd_dlb_set_token_pop_mode(uint8_t dev_id,
  13                                uint8_t port_id,
  14                                enum dlb_token_pop_mode mode)
  15 {
  16         struct dlb_eventdev *dlb;
  17         struct rte_eventdev *dev;
  18
  19         RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
  20         dev = &rte_eventdevs[dev_id];
  21
  22         dlb = dlb_pmd_priv(dev);
  23
  24         if (mode >= NUM_TOKEN_POP_MODES)
  25                 return -EINVAL;
  26
  27         /* The event device must be configured, but not yet started */
  28         if (!dlb->configured || dlb->run_state != DLB_RUN_STATE_STOPPED)
  29                 return -EINVAL;
  30
  31         /* The token pop mode must be set before configuring the port */
  32         if (port_id >= dlb->num_ports || dlb->ev_ports[port_id].setup_done)
  33                 return -EINVAL;
  34
  35         dlb->ev_ports[port_id].qm_port.token_pop_mode = mode;
  36
  37         return 0;
  38 }