Imported Upstream version 16.04

[deb_dpdk.git] / lib / librte_eal / common / eal_internal_cfg.h

diff --git a/lib/librte_eal/common/eal_internal_cfg.h b/lib/librte_eal/common/eal_internal_cfg.h
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+++ b/lib/librte_eal/common/eal_internal_cfg.h
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+/*-
+ *   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.
+ */
+
+/**
+ * @file
+ * Holds the structures for the eal internal configuration
+ */
+
+#ifndef EAL_INTERNAL_CFG_H
+#define EAL_INTERNAL_CFG_H
+
+#include <rte_eal.h>
+#include <rte_pci_dev_feature_defs.h>
+
+#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[RTE_MAX_NUMA_NODES];
+                               /**< number of hugepages of that size on each socket */
+       int lock_descriptor;    /**< file descriptor for hugepage dir */
+};
+
+/**
+ * internal configuration
+ */
+struct internal_config {
+       volatile size_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 */
+       unsigned hugepage_unlink;         /**< true to unlink backing files */
+       volatile unsigned xen_dom0_support; /**< support app running on Xen Dom0*/
+       volatile unsigned no_pci;         /**< true to disable PCI */
+       volatile unsigned no_hpet;        /**< true to disable HPET */
+       volatile unsigned vmware_tsc_map; /**< true to use VMware TSC mapping
+                                                                               * instead of native TSC */
+       volatile unsigned no_shconf;      /**< true if there is no shared config */
+       volatile unsigned create_uio_dev; /**< true to create /dev/uioX devices */
+       volatile enum rte_proc_type_t process_type; /**< multi-process proc type */
+       /** true to try allocating memory on specific sockets */
+       volatile unsigned force_sockets;
+       volatile uint64_t socket_mem[RTE_MAX_NUMA_NODES]; /**< amount of memory per socket */
+       uintptr_t base_virtaddr;          /**< base address to try and reserve memory from */
+       volatile int syslog_facility;     /**< facility passed to openlog() */
+       volatile uint32_t log_level;      /**< default log level */
+       /** default interrupt mode for VFIO */
+       volatile enum rte_intr_mode vfio_intr_mode;
+       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. */
+
+void eal_reset_internal_config(struct internal_config *internal_cfg);
+
+#endif /* EAL_INTERNAL_CFG_H */