numam-spdk/lib/env_dpdk/threads.c
Ben Walker 16ae587966 env: Move lcore functions into env layer.
They were previously in the event library.

Change-Id: I24ffd8f771e895ccf5395c8120423cd114893139
Signed-off-by: Ben Walker <benjamin.walker@intel.com>
2017-04-04 09:19:01 -07:00

74 lines
2.2 KiB
C

/*-
* BSD LICENSE
*
* Copyright (c) Intel Corporation.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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#include "spdk/env.h"
#include <rte_config.h>
#include <rte_lcore.h>
uint32_t
spdk_env_get_core_count(void)
{
return rte_lcore_count();
}
uint32_t
spdk_env_get_current_core(void)
{
return rte_lcore_id();
}
uint32_t
spdk_env_get_first_core(void)
{
return rte_get_next_lcore(-1, 0, 0);
}
uint32_t
spdk_env_get_next_core(uint32_t prev_core)
{
unsigned lcore;
lcore = rte_get_next_lcore(prev_core, 0, 0);
if (lcore == RTE_MAX_LCORE) {
return UINT32_MAX;
}
return lcore;
}
uint32_t
spdk_env_get_socket_id(uint32_t core)
{
return rte_lcore_to_socket_id(core);
}