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/* SPDX-License-Identifier: BSD-3-Clause
* Copyright(c) 2010-2014 Intel Corporation
*/
#include <unistd.h>
#include <sys/sysctl.h>
#include <rte_log.h>
#include <rte_eal.h>
#include <rte_lcore.h>
#include <rte_common.h>
#include <rte_debug.h>
#include "eal_private.h"
#include "eal_thread.h"
/* No topology information available on FreeBSD including NUMA info */
unsigned
eal_cpu_core_id(__rte_unused unsigned lcore_id)
{
return 0;
}
static int
eal_get_ncpus(void)
{
static int ncpu = -1;
int mib[2] = {CTL_HW, HW_NCPU};
size_t len = sizeof(ncpu);
if (ncpu < 0) {
sysctl(mib, 2, &ncpu, &len, NULL, 0);
RTE_LOG(INFO, EAL, "Sysctl reports %d cpus\n", ncpu);
}
return ncpu;
}
unsigned
eal_cpu_socket_id(__rte_unused unsigned cpu_id)
{
return 0;
}
/* Check if a cpu is present by the presence of the
* cpu information for it.
*/
int
eal_cpu_detected(unsigned lcore_id)
{
const unsigned ncpus = eal_get_ncpus();
return lcore_id < ncpus;
}
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