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+/*-
+ * BSD LICENSE
+ *
+ * Copyright(c) 2010-2012 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.
+ *
+ * version: DPDK.L.1.2.3-3
+ */
+
+/**
+ * @file
+ * Holds the structures for the eal internal configuration
+ */
+
+#ifndef _EAL_LINUXAPP_INTERNAL_CFG
+#define _EAL_LINUXAPP_INTERNAL_CFG
+
+#define MAX_HUGEPAGE_SIZES 3 /**< support up to 3 page sizes */
+
+/*
+ * internal configuration structure for the number, size and
+ * mount points of hugepages
+ */
+struct hugepage_info {
+ uint64_t hugepage_sz; /**< size of a huge page */
+ const char *hugedir; /**< dir where hugetlbfs is mounted */
+ uint32_t num_pages; /**< number of hugepages of that size */
+};
+
+/**
+ * internal configuration
+ */
+struct internal_config {
+ volatile uint64_t memory; /* amount of asked memory */
+ volatile unsigned force_nchannel; /* force number of channels */
+ volatile unsigned force_nrank; /* force number of ranks */
+ volatile unsigned no_hugetlbfs; /* true to disable hugetlbfs */
+ volatile unsigned no_pci; /* true to disable PCI */
+ volatile unsigned no_hpet; /* true to disable HPET */
+ volatile unsigned no_shconf; /* true if there is no shared config */
+ volatile enum rte_proc_type_t process_type; /* multi-process proc type */
+ const char *hugefile_prefix; /* the base filename of hugetlbfs files */
+ const char *hugepage_dir; /* specific hugetlbfs directory to use */
+
+ unsigned num_hugepage_sizes; /* how many sizes on this system */
+ struct hugepage_info hugepage_info[MAX_HUGEPAGE_SIZES];
+};
+extern struct internal_config internal_config; /**< Global EAL configuration. */
+
+#endif