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17.05.2
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lib
librte_eal
common
include
rte_memzone.h
Go to the documentation of this file.
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/*-
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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 _RTE_MEMZONE_H_
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#define _RTE_MEMZONE_H_
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#include <stdio.h>
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#include <
rte_memory.h
>
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#include <
rte_common.h
>
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#ifdef __cplusplus
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extern
"C"
{
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#endif
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#define RTE_MEMZONE_2MB 0x00000001
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#define RTE_MEMZONE_1GB 0x00000002
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#define RTE_MEMZONE_16MB 0x00000100
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#define RTE_MEMZONE_16GB 0x00000200
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#define RTE_MEMZONE_256KB 0x00010000
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#define RTE_MEMZONE_256MB 0x00020000
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#define RTE_MEMZONE_512MB 0x00040000
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#define RTE_MEMZONE_4GB 0x00080000
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#define RTE_MEMZONE_SIZE_HINT_ONLY 0x00000004
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struct rte_memzone {
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#define RTE_MEMZONE_NAMESIZE 32
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char name[RTE_MEMZONE_NAMESIZE];
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phys_addr_t phys_addr;
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RTE_STD_C11
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union
{
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void
*
addr
;
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uint64_t
addr_64
;
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};
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size_t
len
;
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uint64_t
hugepage_sz
;
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int32_t
socket_id
;
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uint32_t
flags
;
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uint32_t
memseg_id
;
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} __attribute__((__packed__));
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const
struct
rte_memzone
*
rte_memzone_reserve
(
const
char
*
name
,
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size_t
len
,
int
socket_id
,
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unsigned
flags
);
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const
struct
rte_memzone
*
rte_memzone_reserve_aligned
(
const
char
*
name
,
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size_t
len
,
int
socket_id
,
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unsigned
flags
,
unsigned
align);
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const
struct
rte_memzone
*
rte_memzone_reserve_bounded
(
const
char
*
name
,
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size_t
len
,
int
socket_id
,
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unsigned
flags
,
unsigned
align,
unsigned
bound);
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int
rte_memzone_free
(
const
struct
rte_memzone
*mz);
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const
struct
rte_memzone
*
rte_memzone_lookup
(
const
char
*
name
);
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void
rte_memzone_dump
(FILE *f);
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void
rte_memzone_walk
(
void
(*func)(
const
struct
rte_memzone
*,
void
*arg),
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void
*arg);
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#ifdef __cplusplus
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}
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#endif
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#endif
/* _RTE_MEMZONE_H_ */
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