mirror of https://github.com/F-Stack/f-stack.git
87 lines
1.8 KiB
C
87 lines
1.8 KiB
C
|
/* SPDX-License-Identifier: BSD-3-Clause
|
||
|
|
* Copyright(c) 2018 Intel Corporation
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef MALLOC_MP_H
|
||
|
|
#define MALLOC_MP_H
|
||
|
|
|
||
|
|
#include <stdbool.h>
|
||
|
|
#include <stdint.h>
|
||
|
|
|
||
|
|
#include <rte_common.h>
|
||
|
|
#include <rte_random.h>
|
||
|
|
#include <rte_spinlock.h>
|
||
|
|
#include <rte_tailq.h>
|
||
|
|
|
||
|
|
/* forward declarations */
|
||
|
|
struct malloc_heap;
|
||
|
|
struct rte_memseg;
|
||
|
|
|
||
|
|
/* multiprocess synchronization structures for malloc */
|
||
|
|
enum malloc_req_type {
|
||
|
|
REQ_TYPE_ALLOC, /**< ask primary to allocate */
|
||
|
|
REQ_TYPE_FREE, /**< ask primary to free */
|
||
|
|
REQ_TYPE_SYNC /**< ask secondary to synchronize its memory map */
|
||
|
|
};
|
||
|
|
|
||
|
|
enum malloc_req_result {
|
||
|
|
REQ_RESULT_SUCCESS,
|
||
|
|
REQ_RESULT_FAIL
|
||
|
|
};
|
||
|
|
|
||
|
|
struct malloc_req_alloc {
|
||
|
|
struct malloc_heap *heap;
|
||
|
|
uint64_t page_sz;
|
||
|
|
size_t elt_size;
|
||
|
|
int socket;
|
||
|
|
unsigned int flags;
|
||
|
|
size_t align;
|
||
|
|
size_t bound;
|
||
|
|
bool contig;
|
||
|
|
};
|
||
|
|
|
||
|
|
struct malloc_req_free {
|
||
|
|
RTE_STD_C11
|
||
|
|
union {
|
||
|
|
void *addr;
|
||
|
|
uint64_t addr_64;
|
||
|
|
};
|
||
|
|
uint64_t len;
|
||
|
|
};
|
||
|
|
|
||
|
|
struct malloc_mp_req {
|
||
|
|
enum malloc_req_type t;
|
||
|
|
RTE_STD_C11
|
||
|
|
union {
|
||
|
|
struct malloc_req_alloc alloc_req;
|
||
|
|
struct malloc_req_free free_req;
|
||
|
|
};
|
||
|
|
uint64_t id; /**< not to be populated by caller */
|
||
|
|
enum malloc_req_result result;
|
||
|
|
};
|
||
|
|
|
||
|
|
int
|
||
|
|
register_mp_requests(void);
|
||
|
|
|
||
|
|
int
|
||
|
|
request_to_primary(struct malloc_mp_req *req);
|
||
|
|
|
||
|
|
/* synchronous memory map sync request */
|
||
|
|
int
|
||
|
|
request_sync(void);
|
||
|
|
|
||
|
|
/* functions from malloc_heap exposed here */
|
||
|
|
int
|
||
|
|
malloc_heap_free_pages(void *aligned_start, size_t aligned_len);
|
||
|
|
|
||
|
|
struct malloc_elem *
|
||
|
|
alloc_pages_on_heap(struct malloc_heap *heap, uint64_t pg_sz, size_t elt_size,
|
||
|
|
int socket, unsigned int flags, size_t align, size_t bound,
|
||
|
|
bool contig, struct rte_memseg **ms, int n_segs);
|
||
|
|
|
||
|
|
void
|
||
|
|
rollback_expand_heap(struct rte_memseg **ms, int n_segs,
|
||
|
|
struct malloc_elem *elem, void *map_addr, size_t map_len);
|
||
|
|
|
||
|
|
#endif /* MALLOC_MP_H */
|