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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