From 19fcec84d8d7d21e796c7624e521b60d28ee21ed Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:45:59 +0200 Subject: Adding upstream version 16.2.11+ds. Signed-off-by: Daniel Baumann --- src/spdk/lib/env_dpdk/threads.c | 108 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 108 insertions(+) create mode 100644 src/spdk/lib/env_dpdk/threads.c (limited to 'src/spdk/lib/env_dpdk/threads.c') diff --git a/src/spdk/lib/env_dpdk/threads.c b/src/spdk/lib/env_dpdk/threads.c new file mode 100644 index 000000000..01c7b8d9f --- /dev/null +++ b/src/spdk/lib/env_dpdk/threads.c @@ -0,0 +1,108 @@ +/*- + * 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 + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include "env_internal.h" + +#include +#include + +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_last_core(void) +{ + uint32_t i; + uint32_t last_core = UINT32_MAX; + + SPDK_ENV_FOREACH_CORE(i) { + last_core = i; + } + + assert(last_core != UINT32_MAX); + + return last_core; +} + +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) +{ + if (core >= RTE_MAX_LCORE) { + return SPDK_ENV_SOCKET_ID_ANY; + } + + return rte_lcore_to_socket_id(core); +} + +int +spdk_env_thread_launch_pinned(uint32_t core, thread_start_fn fn, void *arg) +{ + int rc; + + rc = rte_eal_remote_launch(fn, arg, core); + + return rc; +} + +void +spdk_env_thread_wait_all(void) +{ + rte_eal_mp_wait_lcore(); +} -- cgit v1.2.3