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lib/eal/common/malloc_mp.h
85 строк
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Tyler Retzlaff
remove C11 compatibility macro
16 авг 2023, 19:02
16 авг 2023, 19:02
971d2b5
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/* 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> /* 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 { uint32_t malloc_heap_idx; 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 { union { void *addr; uint64_t addr_64; }; size_t len; }; struct malloc_mp_req { enum malloc_req_type t; 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); void unregister_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 */