LXR dpdk/lib/eal/common/eal_common

   1/* SPDX-License-Identifier: BSD-3-Clause
   2 * Copyright(c) 2020 Mellanox Technologies, Ltd
   3 */
   4
   5#include <rte_string_fns.h>
   6
   7#include "eal_private.h"
   8#include "eal_memcfg.h"
   9
  10/* early configuration structure, when memory config is not mmapped */
  11static struct rte_mem_config early_mem_config;
  12
  13/* Address of global and public configuration */
  14static struct rte_config rte_config = {
  15        .mem_config = &early_mem_config,
  16};
  17
  18/* platform-specific runtime dir */
  19static char runtime_dir[PATH_MAX];
  20
  21/* internal configuration */
  22static struct internal_config internal_config;
  23
  24const char *
  25rte_eal_get_runtime_dir(void)
  26{
  27        return runtime_dir;
  28}
  29
  30int
  31eal_set_runtime_dir(const char *run_dir)
  32{
  33        if (strlcpy(runtime_dir, run_dir, PATH_MAX) >= PATH_MAX) {
  34                RTE_LOG(ERR, EAL, "Runtime directory string too long\n");
  35                return -1;
  36        }
  37
  38        return 0;
  39}
  40
  41/* Return a pointer to the configuration structure */
  42struct rte_config *
  43rte_eal_get_configuration(void)
  44{
  45        return &rte_config;
  46}
  47
  48/* Return a pointer to the internal configuration structure */
  49struct internal_config *
  50eal_get_internal_configuration(void)
  51{
  52        return &internal_config;
  53}
  54
  55enum rte_iova_mode
  56rte_eal_iova_mode(void)
  57{
  58        return rte_eal_get_configuration()->iova_mode;
  59}
  60
  61/* Get the EAL base address */
  62uint64_t
  63rte_eal_get_baseaddr(void)
  64{
  65        return (internal_config.base_virtaddr != 0) ?
  66                       (uint64_t) internal_config.base_virtaddr :
  67                       eal_get_baseaddr();
  68}
  69
  70enum rte_proc_type_t
  71rte_eal_process_type(void)
  72{
  73        return rte_config.process_type;
  74}
  75
  76/* Return user provided mbuf pool ops name */
  77const char *
  78rte_eal_mbuf_user_pool_ops(void)
  79{
  80        return internal_config.user_mbuf_pool_ops_name;
  81}
  82
  83/* return non-zero if hugepages are enabled. */
  84int
  85rte_eal_has_hugepages(void)
  86{
  87        return !internal_config.no_hugetlbfs;
  88}
  89
  90int
  91rte_eal_has_pci(void)
  92{
  93        return !internal_config.no_pci;
  94}
  95