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