DPDK  16.04.0
rte_memzone.h
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1 /*-
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33 
34 #ifndef _RTE_MEMZONE_H_
35 #define _RTE_MEMZONE_H_
36 
54 #include <stdio.h>
55 #include <rte_memory.h>
56 
57 #ifdef __cplusplus
58 extern "C" {
59 #endif
60 
61 #define RTE_MEMZONE_2MB 0x00000001
62 #define RTE_MEMZONE_1GB 0x00000002
63 #define RTE_MEMZONE_16MB 0x00000100
64 #define RTE_MEMZONE_16GB 0x00000200
65 #define RTE_MEMZONE_256KB 0x00010000
66 #define RTE_MEMZONE_256MB 0x00020000
67 #define RTE_MEMZONE_512MB 0x00040000
68 #define RTE_MEMZONE_4GB 0x00080000
69 #define RTE_MEMZONE_SIZE_HINT_ONLY 0x00000004
75 struct rte_memzone {
76 
77 #define RTE_MEMZONE_NAMESIZE 32
78  char name[RTE_MEMZONE_NAMESIZE];
80  phys_addr_t phys_addr;
81  union {
82  void *addr;
83  uint64_t addr_64;
84  };
85 #ifdef RTE_LIBRTE_IVSHMEM
86  phys_addr_t ioremap_addr;
87 #endif
88  size_t len;
90  uint64_t hugepage_sz;
92  int32_t socket_id;
94  uint32_t flags;
95  uint32_t memseg_id;
96 } __attribute__((__packed__));
97 
142 const struct rte_memzone *rte_memzone_reserve(const char *name,
143  size_t len, int socket_id,
144  unsigned flags);
145 
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 
252 const struct rte_memzone *rte_memzone_reserve_bounded(const char *name,
253  size_t len, int socket_id,
254  unsigned flags, unsigned align, unsigned bound);
255 
267 int rte_memzone_free(const struct rte_memzone *mz);
268 
280 const struct rte_memzone *rte_memzone_lookup(const char *name);
281 
288 void rte_memzone_dump(FILE *f);
289 
298 void rte_memzone_walk(void (*func)(const struct rte_memzone *, void *arg),
299  void *arg);
300 
301 #ifdef __cplusplus
302 }
303 #endif
304 
305 #endif /* _RTE_MEMZONE_H_ */