update source to Ceph Pacific 16.2.2

[ceph.git] / ceph / src / spdk / dpdk / lib / librte_eal / include / rte_eal_memconfig.h

diff --git a/ceph/src/spdk/dpdk/lib/librte_eal/include/rte_eal_memconfig.h b/ceph/src/spdk/dpdk/lib/librte_eal/include/rte_eal_memconfig.h
new file mode 100644 (file)
index 0000000..dede2ee
--- /dev/null
+++ b/ceph/src/spdk/dpdk/lib/librte_eal/include/rte_eal_memconfig.h
@@ -0,0 +1,129 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2010-2014 Intel Corporation
+ */
+
+#ifndef _RTE_EAL_MEMCONFIG_H_
+#define _RTE_EAL_MEMCONFIG_H_
+
+#include <stdbool.h>
+
+#include <rte_compat.h>
+
+/**
+ * @file
+ *
+ * This API allows access to EAL shared memory configuration through an API.
+ */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * Lock the internal EAL shared memory configuration for shared access.
+ */
+void
+rte_mcfg_mem_read_lock(void);
+
+/**
+ * Unlock the internal EAL shared memory configuration for shared access.
+ */
+void
+rte_mcfg_mem_read_unlock(void);
+
+/**
+ * Lock the internal EAL shared memory configuration for exclusive access.
+ */
+void
+rte_mcfg_mem_write_lock(void);
+
+/**
+ * Unlock the internal EAL shared memory configuration for exclusive access.
+ */
+void
+rte_mcfg_mem_write_unlock(void);
+
+/**
+ * Lock the internal EAL TAILQ list for shared access.
+ */
+void
+rte_mcfg_tailq_read_lock(void);
+
+/**
+ * Unlock the internal EAL TAILQ list for shared access.
+ */
+void
+rte_mcfg_tailq_read_unlock(void);
+
+/**
+ * Lock the internal EAL TAILQ list for exclusive access.
+ */
+void
+rte_mcfg_tailq_write_lock(void);
+
+/**
+ * Unlock the internal EAL TAILQ list for exclusive access.
+ */
+void
+rte_mcfg_tailq_write_unlock(void);
+
+/**
+ * Lock the internal EAL Mempool list for shared access.
+ */
+void
+rte_mcfg_mempool_read_lock(void);
+
+/**
+ * Unlock the internal EAL Mempool list for shared access.
+ */
+void
+rte_mcfg_mempool_read_unlock(void);
+
+/**
+ * Lock the internal EAL Mempool list for exclusive access.
+ */
+void
+rte_mcfg_mempool_write_lock(void);
+
+/**
+ * Unlock the internal EAL Mempool list for exclusive access.
+ */
+void
+rte_mcfg_mempool_write_unlock(void);
+
+/**
+ * @warning
+ * @b EXPERIMENTAL: this API may change without prior notice
+ *
+ * Lock the internal EAL Timer Library lock for exclusive access.
+ */
+__rte_experimental
+void
+rte_mcfg_timer_lock(void);
+
+/**
+ * @warning
+ * @b EXPERIMENTAL: this API may change without prior notice
+ *
+ * Unlock the internal EAL Timer Library lock for exclusive access.
+ */
+__rte_experimental
+void
+rte_mcfg_timer_unlock(void);
+
+/**
+ * @warning
+ * @b EXPERIMENTAL: this API may change without prior notice
+ *
+ * If true, pages are put in single files (per memseg list),
+ * as opposed to creating a file per page.
+ */
+__rte_experimental
+bool
+rte_mcfg_get_single_file_segments(void);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /*__RTE_EAL_MEMCONFIG_H_*/