1 files changed, 121 insertions, 0 deletions
diff --git a/src/dpdk_lib18/librte_eal/common/eal_common_memory.c b/src/dpdk_lib18/librte_eal/common/eal_common_memory.c
new file mode 100755
index 00000000..77830f80
--- /dev/null
+++ b/src/dpdk_lib18/librte_eal/common/eal_common_memory.c
@@ -0,0 +1,121 @@
+/*-
+ *   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.
+ */
+
+#include <stdio.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <stdarg.h>
+#include <inttypes.h>
+#include <sys/queue.h>
+
+#include <rte_memory.h>
+#include <rte_memzone.h>
+#include <rte_tailq.h>
+#include <rte_eal.h>
+#include <rte_eal_memconfig.h>
+#include <rte_log.h>
+
+#include "eal_private.h"
+
+/*
+ * Return a pointer to a read-only table of struct rte_physmem_desc
+ * elements, containing the layout of all addressable physical
+ * memory. The last element of the table contains a NULL address.
+ */
+const struct rte_memseg *
+rte_eal_get_physmem_layout(void)
+{
+	return rte_eal_get_configuration()->mem_config->memseg;
+}
+
+
+/* get the total size of memory */
+uint64_t
+rte_eal_get_physmem_size(void)
+{
+	const struct rte_mem_config *mcfg;
+	unsigned i = 0;
+	uint64_t total_len = 0;
+
+	/* get pointer to global configuration */
+	mcfg = rte_eal_get_configuration()->mem_config;
+
+	for (i=0; i<RTE_MAX_MEMSEG; i++) {
+		if (mcfg->memseg[i].addr == NULL)
+			break;
+
+		total_len += mcfg->memseg[i].len;
+	}
+
+	return total_len;
+}
+
+/* Dump the physical memory layout on console */
+void
+rte_dump_physmem_layout(FILE *f)
+{
+	const struct rte_mem_config *mcfg;
+	unsigned i = 0;
+
+	/* get pointer to global configuration */
+	mcfg = rte_eal_get_configuration()->mem_config;
+
+	for (i=0; i<RTE_MAX_MEMSEG; i++) {
+		if (mcfg->memseg[i].addr == NULL)
+			break;
+
+		fprintf(f, "Segment %u: phys:0x%"PRIx64", len:%zu, "
+		       "virt:%p, socket_id:%"PRId32", "
+		       "hugepage_sz:%"PRIu64", nchannel:%"PRIx32", "
+		       "nrank:%"PRIx32"\n", i,
+		       mcfg->memseg[i].phys_addr,
+		       mcfg->memseg[i].len,
+		       mcfg->memseg[i].addr,
+		       mcfg->memseg[i].socket_id,
+		       mcfg->memseg[i].hugepage_sz,
+		       mcfg->memseg[i].nchannel,
+		       mcfg->memseg[i].nrank);
+	}
+}
+
+/* return the number of memory channels */
+unsigned rte_memory_get_nchannel(void)
+{
+	return rte_eal_get_configuration()->mem_config->nchannel;
+}
+
+/* return the number of memory rank */
+unsigned rte_memory_get_nrank(void)
+{
+	return rte_eal_get_configuration()->mem_config->nrank;
+}