ef60d87b84
Change-Id: Ied778fc41ddc5ff7563408eccafc0e0654287b19 Signed-off-by: Ben Walker <benjamin.walker@intel.com> Reviewed-on: https://review.gerrithub.io/363608 Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com> Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
90 lines
2.4 KiB
C
90 lines
2.4 KiB
C
/*-
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* BSD LICENSE
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*
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* Copyright (c) Intel Corporation.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Intel Corporation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "spdk/env.h"
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#include <rte_config.h>
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#include <rte_lcore.h>
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uint32_t
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spdk_env_get_core_count(void)
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{
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return rte_lcore_count();
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}
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uint32_t
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spdk_env_get_current_core(void)
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{
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return rte_lcore_id();
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}
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uint32_t
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spdk_env_get_first_core(void)
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{
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return rte_get_next_lcore(-1, 0, 0);
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}
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uint32_t
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spdk_env_get_next_core(uint32_t prev_core)
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{
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unsigned lcore;
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lcore = rte_get_next_lcore(prev_core, 0, 0);
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if (lcore == RTE_MAX_LCORE) {
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return UINT32_MAX;
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}
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return lcore;
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}
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uint32_t
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spdk_env_get_socket_id(uint32_t core)
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{
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return rte_lcore_to_socket_id(core);
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}
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int
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spdk_env_thread_launch_pinned(uint32_t core, thread_start_fn fn, void *arg)
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{
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int rc;
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rc = rte_eal_remote_launch(fn, arg, core);
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return rc;
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}
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void
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spdk_env_thread_wait_all(void)
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{
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rte_eal_mp_wait_lcore();
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}
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