DPDK  20.11.3
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_16GB 0x00000200
38 #define RTE_MEMZONE_256KB 0x00010000
39 #define RTE_MEMZONE_256MB 0x00020000
40 #define RTE_MEMZONE_512MB 0x00040000
41 #define RTE_MEMZONE_4GB 0x00080000
42 #define RTE_MEMZONE_SIZE_HINT_ONLY 0x00000004
43 #define RTE_MEMZONE_IOVA_CONTIG 0x00100000
49 struct rte_memzone {
50 
51 #define RTE_MEMZONE_NAMESIZE 32
52  char name[RTE_MEMZONE_NAMESIZE];
54  rte_iova_t iova;
55  RTE_STD_C11
56  union {
57  void *addr;
58  uint64_t addr_64;
59  };
60  size_t len;
62  uint64_t hugepage_sz;
64  int32_t socket_id;
66  uint32_t flags;
67 } __rte_packed;
68 
127 const struct rte_memzone *rte_memzone_reserve(const char *name,
128  size_t len, int socket_id,
129  unsigned flags);
130 
193 const struct rte_memzone *rte_memzone_reserve_aligned(const char *name,
194  size_t len, int socket_id,
195  unsigned flags, unsigned align);
196 
265 const struct rte_memzone *rte_memzone_reserve_bounded(const char *name,
266  size_t len, int socket_id,
267  unsigned flags, unsigned align, unsigned bound);
268 
278 int rte_memzone_free(const struct rte_memzone *mz);
279 
291 const struct rte_memzone *rte_memzone_lookup(const char *name);
292 
299 void rte_memzone_dump(FILE *f);
300 
309 void rte_memzone_walk(void (*func)(const struct rte_memzone *, void *arg),
310  void *arg);
311 
312 #ifdef __cplusplus
313 }
314 #endif
315 
316 #endif /* _RTE_MEMZONE_H_ */
#define __rte_packed
Definition: rte_common.h:84
void * addr
Definition: rte_memzone.h:57
uint32_t flags
Definition: rte_memzone.h:66
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:58
size_t len
Definition: rte_memzone.h:60
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:64
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:52
int rte_memzone_free(const struct rte_memzone *mz)
uint64_t hugepage_sz
Definition: rte_memzone.h:62