rte_memzone.h

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/* SPDX-License-Identifier: BSD-3-Clause
 * Copyright(c) 2010-2014 Intel Corporation
 */
 
#ifndef _RTE_MEMZONE_H_
#define _RTE_MEMZONE_H_

 
#include <stdio.h>
#include <rte_memory.h>
#include <rte_common.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
#define RTE_MEMZONE_2MB            0x00000001   
#define RTE_MEMZONE_1GB            0x00000002   
#define RTE_MEMZONE_16MB           0x00000100   
#define RTE_MEMZONE_16GB           0x00000200   
#define RTE_MEMZONE_256KB          0x00010000   
#define RTE_MEMZONE_256MB          0x00020000   
#define RTE_MEMZONE_512MB          0x00040000   
#define RTE_MEMZONE_4GB            0x00080000   
#define RTE_MEMZONE_SIZE_HINT_ONLY 0x00000004   
#define RTE_MEMZONE_IOVA_CONTIG    0x00100000   

struct __rte_packed_begin rte_memzone {
 
#define RTE_MEMZONE_NAMESIZE 32       
    char name[RTE_MEMZONE_NAMESIZE];  
 
    rte_iova_t iova;                  
    union {
        void *addr;                   
        uint64_t addr_64;             
    };
    size_t len;                       
 
    uint64_t hugepage_sz;             
 
    int32_t socket_id;                
 
    uint32_t flags;                   
} __rte_packed_end;

int rte_memzone_max_set(size_t max);

size_t rte_memzone_max_get(void);

const struct rte_memzone *rte_memzone_reserve(const char *name,
                          size_t len, int socket_id,
                          unsigned flags);

const struct rte_memzone *rte_memzone_reserve_aligned(const char *name,
            size_t len, int socket_id,
            unsigned flags, unsigned align);

const struct rte_memzone *rte_memzone_reserve_bounded(const char *name,
            size_t len, int socket_id,
            unsigned flags, unsigned align, unsigned bound);

int rte_memzone_free(const struct rte_memzone *mz);

const struct rte_memzone *rte_memzone_lookup(const char *name);

void rte_memzone_dump(FILE *f);

void rte_memzone_walk(void (*func)(const struct rte_memzone *, void *arg),
              void *arg);
 
#ifdef __cplusplus
}
#endif
 
#endif /* _RTE_MEMZONE_H_ */