drivers/common/cnxk/roc_platform.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(C) 2021 Marvell.
   3  */
   4
   5 #include "roc_api.h"
   6
   7 #define PLT_INIT_CB_MAX 8
   8
   9 static int plt_init_cb_num;
  10 static roc_plt_init_cb_t plt_init_cbs[PLT_INIT_CB_MAX];
  11
  12 int
  13 roc_plt_init_cb_register(roc_plt_init_cb_t cb)
  14 {
  15         if (plt_init_cb_num >= PLT_INIT_CB_MAX)
  16                 return -ERANGE;
  17
  18         plt_init_cbs[plt_init_cb_num++] = cb;
  19         return 0;
  20 }
  21
  22 int
  23 roc_plt_init(void)
  24 {
  25         const struct rte_memzone *mz;
  26         int i, rc;
  27
  28         mz = rte_memzone_lookup(PLT_MODEL_MZ_NAME);
  29         if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
  30                 if (mz == NULL) {
  31                         mz = rte_memzone_reserve(PLT_MODEL_MZ_NAME,
  32                                                  sizeof(struct roc_model),
  33                                                  SOCKET_ID_ANY, 0);
  34                         if (mz == NULL) {
  35                                 plt_err("Failed to reserve mem for roc_model");
  36                                 return -ENOMEM;
  37                         }
  38                         roc_model_init(mz->addr);
  39                 }
  40         } else {
  41                 if (mz == NULL) {
  42                         plt_err("Failed to lookup mem for roc_model");
  43                         return -ENOMEM;
  44                 }
  45                 roc_model = mz->addr;
  46         }
  47
  48         for (i = 0; i < plt_init_cb_num; i++) {
  49                 rc = (*plt_init_cbs[i])();
  50                 if (rc)
  51                         return rc;
  52         }
  53
  54         return 0;
  55 }