drivers/event/dlb2/rte_pmd_dlb2.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2020 Intel Corporation
   3  */
   4
   5 #include <rte_eventdev.h>
   6 #include <eventdev_pmd.h>
   7
   8 #include "rte_pmd_dlb2.h"
   9 #include "dlb2_priv.h"
  10 #include "dlb2_inline_fns.h"
  11
  12 int
  13 rte_pmd_dlb2_set_token_pop_mode(uint8_t dev_id,
  14                                 uint8_t port_id,
  15                                 enum dlb2_token_pop_mode mode)
  16 {
  17         struct dlb2_eventdev *dlb2;
  18         struct rte_eventdev *dev;
  19
  20         RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
  21         dev = &rte_eventdevs[dev_id];
  22
  23         dlb2 = dlb2_pmd_priv(dev);
  24
  25         if (mode >= NUM_TOKEN_POP_MODES)
  26                 return -EINVAL;
  27
  28         /* The event device must be configured, but not yet started */
  29         if (!dlb2->configured || dlb2->run_state != DLB2_RUN_STATE_STOPPED)
  30                 return -EINVAL;
  31
  32         /* The token pop mode must be set before configuring the port */
  33         if (port_id >= dlb2->num_ports || dlb2->ev_ports[port_id].setup_done)
  34                 return -EINVAL;
  35
  36         dlb2->ev_ports[port_id].qm_port.token_pop_mode = mode;
  37
  38         return 0;
  39 }