Adding upstream version 14.2.21.upstream/14.2.21upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 108 insertions, 0 deletions

diff --git a/src/spdk/lib/env_dpdk/threads.c b/src/spdk/lib/env_dpdk/threads.c
new file mode 100644
index 00000000..55b0bbb6
--- /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 "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_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();
+}