016a23a81e
RTE_EAL_SINGLE_FILE_SEGMENTS was introduced with ivshmem integration.
Now that ivshmem was removed (commit c711ccb309)
and a simple git grep shows no one else references it;
I think we can now remove it.
Signed-off-by: Yuanhan Liu <yuanhan.liu@linux.intel.com>
Acked-by: Sergio Gonzalez Monroy <sergio.gonzalez.monroy@intel.com>
65 lines
2.5 KiB
C
65 lines
2.5 KiB
C
/*-
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* BSD LICENSE
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*
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* Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Intel Corporation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef EAL_HUGEPAGES_H
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#define EAL_HUGEPAGES_H
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#include <stddef.h>
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#include <stdint.h>
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#include <limits.h>
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#define MAX_HUGEPAGE_PATH PATH_MAX
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/**
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* Structure used to store informations about hugepages that we mapped
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* through the files in hugetlbfs.
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*/
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struct hugepage_file {
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void *orig_va; /**< virtual addr of first mmap() */
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void *final_va; /**< virtual addr of 2nd mmap() */
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uint64_t physaddr; /**< physical addr */
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size_t size; /**< the page size */
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int socket_id; /**< NUMA socket ID */
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int file_id; /**< the '%d' in HUGEFILE_FMT */
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int memseg_id; /**< the memory segment to which page belongs */
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char filepath[MAX_HUGEPAGE_PATH]; /**< path to backing file on filesystem */
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};
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/**
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* Read the information from linux on what hugepages are available
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* for the EAL to use
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*/
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int eal_hugepage_info_init(void);
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#endif /* EAL_HUGEPAGES_H */
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