DPDK  20.11.0
rte_memzone.h
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1 /* SPDX-License-Identifier: BSD-3-Clause
2  * Copyright(c) 2010-2014 Intel Corporation
3  */
4 
5 #ifndef _RTE_MEMZONE_H_
6 #define _RTE_MEMZONE_H_
7 
25 #include <stdio.h>
26 #include <rte_compat.h>
27 #include <rte_memory.h>
28 #include <rte_common.h>
29 
30 #ifdef __cplusplus
31 extern "C" {
32 #endif
33 
34 #define RTE_MEMZONE_2MB 0x00000001
35 #define RTE_MEMZONE_1GB 0x00000002
36 #define RTE_MEMZONE_16MB 0x00000100
37 #define RTE_MEMZONE_32MB 0x00000400
38 #define RTE_MEMZONE_16GB 0x00000200
39 #define RTE_MEMZONE_256KB 0x00010000
40 #define RTE_MEMZONE_256MB 0x00020000
41 #define RTE_MEMZONE_512MB 0x00040000
42 #define RTE_MEMZONE_4GB 0x00080000
43 #define RTE_MEMZONE_SIZE_HINT_ONLY 0x00000004
44 #define RTE_MEMZONE_IOVA_CONTIG 0x00100000
50 struct rte_memzone {
51 
52 #define RTE_MEMZONE_NAMESIZE 32
53  char name[RTE_MEMZONE_NAMESIZE];
55  rte_iova_t iova;
56  RTE_STD_C11
57  union {
58  void *addr;
59  uint64_t addr_64;
60  };
61  size_t len;
63  uint64_t hugepage_sz;
65  int32_t socket_id;
67  uint32_t flags;
68 } __rte_packed;
69 
128 const struct rte_memzone *rte_memzone_reserve(const char *name,
129  size_t len, int socket_id,
130  unsigned flags);
131 
194 const struct rte_memzone *rte_memzone_reserve_aligned(const char *name,
195  size_t len, int socket_id,
196  unsigned flags, unsigned align);
197 
266 const struct rte_memzone *rte_memzone_reserve_bounded(const char *name,
267  size_t len, int socket_id,
268  unsigned flags, unsigned align, unsigned bound);
269 
279 int rte_memzone_free(const struct rte_memzone *mz);
280 
292 const struct rte_memzone *rte_memzone_lookup(const char *name);
293 
300 void rte_memzone_dump(FILE *f);
301 
310 void rte_memzone_walk(void (*func)(const struct rte_memzone *, void *arg),
311  void *arg);
312 
313 #ifdef __cplusplus
314 }
315 #endif
316 
317 #endif /* _RTE_MEMZONE_H_ */
#define __rte_packed
Definition: rte_common.h:84
void * addr
Definition: rte_memzone.h:58
uint32_t flags
Definition: rte_memzone.h:67
const struct rte_memzone * rte_memzone_reserve(const char *name, size_t len, int socket_id, unsigned flags)
uint64_t addr_64
Definition: rte_memzone.h:59
size_t len
Definition: rte_memzone.h:61
const struct rte_memzone * rte_memzone_lookup(const char *name)
const struct rte_memzone * rte_memzone_reserve_bounded(const char *name, size_t len, int socket_id, unsigned flags, unsigned align, unsigned bound)
void rte_memzone_walk(void(*func)(const struct rte_memzone *, void *arg), void *arg)
void rte_memzone_dump(FILE *f)
int32_t socket_id
Definition: rte_memzone.h:65
const struct rte_memzone * rte_memzone_reserve_aligned(const char *name, size_t len, int socket_id, unsigned flags, unsigned align)
char name[RTE_MEMZONE_NAMESIZE]
Definition: rte_memzone.h:53
int rte_memzone_free(const struct rte_memzone *mz)
uint64_t hugepage_sz
Definition: rte_memzone.h:63