From 5129044dce1f85ce4950f31bcf90f3886466f06a Mon Sep 17 00:00:00 2001
From: "C.J. Collier" <cjcollier@linuxfoundation.org>
Date: Tue, 14 Jun 2016 07:54:47 -0700
Subject: Imported upstream release 16.04

* gbp import-orig ../dpdk-16.04.tar.xz

Change-Id: Iac2196db782ba322f6974d8a752acc34ce5024c3
Signed-off-by: C.J. Collier <cjcollier@linuxfoundation.org>
---
 lib/librte_eal/common/include/rte_eal_memconfig.h | 100 ++++++++++++++++++++++
 1 file changed, 100 insertions(+)
 create mode 100644 lib/librte_eal/common/include/rte_eal_memconfig.h

(limited to 'lib/librte_eal/common/include/rte_eal_memconfig.h')

diff --git a/lib/librte_eal/common/include/rte_eal_memconfig.h b/lib/librte_eal/common/include/rte_eal_memconfig.h
new file mode 100644
index 00000000..2b5e0b17
--- /dev/null
+++ b/lib/librte_eal/common/include/rte_eal_memconfig.h
@@ -0,0 +1,100 @@
+/*-
+ *   BSD LICENSE
+ *
+ *   Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
+ *   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.
+ */
+
+#ifndef _RTE_EAL_MEMCONFIG_H_
+#define _RTE_EAL_MEMCONFIG_H_
+
+#include <rte_tailq.h>
+#include <rte_memory.h>
+#include <rte_memzone.h>
+#include <rte_malloc_heap.h>
+#include <rte_rwlock.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * the structure for the memory configuration for the RTE.
+ * Used by the rte_config structure. It is separated out, as for multi-process
+ * support, the memory details should be shared across instances
+ */
+struct rte_mem_config {
+	volatile uint32_t magic;   /**< Magic number - Sanity check. */
+
+	/* memory topology */
+	uint32_t nchannel;    /**< Number of channels (0 if unknown). */
+	uint32_t nrank;       /**< Number of ranks (0 if unknown). */
+
+	/**
+	 * current lock nest order
+	 *  - qlock->mlock (ring/hash/lpm)
+	 *  - mplock->qlock->mlock (mempool)
+	 * Notice:
+	 *  *ALWAYS* obtain qlock first if having to obtain both qlock and mlock
+	 */
+	rte_rwlock_t mlock;   /**< only used by memzone LIB for thread-safe. */
+	rte_rwlock_t qlock;   /**< used for tailq operation for thread safe. */
+	rte_rwlock_t mplock;  /**< only used by mempool LIB for thread-safe. */
+
+	uint32_t memzone_cnt; /**< Number of allocated memzones */
+
+	/* memory segments and zones */
+	struct rte_memseg memseg[RTE_MAX_MEMSEG];    /**< Physmem descriptors. */
+	struct rte_memzone memzone[RTE_MAX_MEMZONE]; /**< Memzone descriptors. */
+
+	struct rte_tailq_head tailq_head[RTE_MAX_TAILQ]; /**< Tailqs for objects */
+
+	/* Heaps of Malloc per socket */
+	struct malloc_heap malloc_heaps[RTE_MAX_NUMA_NODES];
+
+	/* address of mem_config in primary process. used to map shared config into
+	 * exact same address the primary process maps it.
+	 */
+	uint64_t mem_cfg_addr;
+} __attribute__((__packed__));
+
+
+inline static void
+rte_eal_mcfg_wait_complete(struct rte_mem_config* mcfg)
+{
+	/* wait until shared mem_config finish initialising */
+	while(mcfg->magic != RTE_MAGIC)
+		rte_pause();
+}
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /*__RTE_EAL_MEMCONFIG_H_*/
-- 
cgit 1.2.3-korg