first public release

[dpdk.git] / lib / librte_eal / linuxapp / eal / include / eal_internal_cfg.h

diff --git a/lib/librte_eal/linuxapp/eal/include/eal_internal_cfg.h b/lib/librte_eal/linuxapp/eal/include/eal_internal_cfg.h
new file mode 100644 (file)
index 0000000..70d5afb
--- /dev/null
+++ b/lib/librte_eal/linuxapp/eal/include/eal_internal_cfg.h
@@ -0,0 +1,76 @@
+/*-
+ *   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