From b63264c8342e6a1b6971c79550d2af2024b6a4de Mon Sep 17 00:00:00 2001 From: Luca Boccassi Date: Tue, 14 Aug 2018 18:52:30 +0100 Subject: New upstream version 18.08 Change-Id: I32fdf5e5016556d9c0a6d88ddaf1fc468961790a Signed-off-by: Luca Boccassi --- lib/librte_eal/common/eal_memalloc.h | 82 ++++++++++++++++++++++++++++++++++++ 1 file changed, 82 insertions(+) create mode 100644 lib/librte_eal/common/eal_memalloc.h (limited to 'lib/librte_eal/common/eal_memalloc.h') diff --git a/lib/librte_eal/common/eal_memalloc.h b/lib/librte_eal/common/eal_memalloc.h new file mode 100644 index 00000000..36bb1a02 --- /dev/null +++ b/lib/librte_eal/common/eal_memalloc.h @@ -0,0 +1,82 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2017-2018 Intel Corporation + */ + +#ifndef EAL_MEMALLOC_H +#define EAL_MEMALLOC_H + +#include + +#include +#include + +/* + * Allocate segment of specified page size. + */ +struct rte_memseg * +eal_memalloc_alloc_seg(size_t page_sz, int socket); + +/* + * Allocate `n_segs` segments. + * + * Note: `ms` can be NULL. + * + * Note: it is possible to request best-effort allocation by setting `exact` to + * `false`, in which case allocator will return however many pages it managed to + * allocate successfully. + */ +int +eal_memalloc_alloc_seg_bulk(struct rte_memseg **ms, int n_segs, size_t page_sz, + int socket, bool exact); + +/* + * Deallocate segment + */ +int +eal_memalloc_free_seg(struct rte_memseg *ms); + +/* + * Deallocate `n_segs` segments. Returns 0 on successful deallocation of all + * segments, returns -1 on error. Any segments that could have been deallocated, + * will be deallocated even in case of error. + */ +int +eal_memalloc_free_seg_bulk(struct rte_memseg **ms, int n_segs); + +/* + * Check if memory pointed to by `start` and of `length` that resides in + * memseg list `msl` is IOVA-contiguous. + */ +bool +eal_memalloc_is_contig(const struct rte_memseg_list *msl, void *start, + size_t len); + +/* synchronize local memory map to primary process */ +int +eal_memalloc_sync_with_primary(void); + +int +eal_memalloc_mem_event_callback_register(const char *name, + rte_mem_event_callback_t clb, void *arg); + +int +eal_memalloc_mem_event_callback_unregister(const char *name, void *arg); + +void +eal_memalloc_mem_event_notify(enum rte_mem_event event, const void *start, + size_t len); + +int +eal_memalloc_mem_alloc_validator_register(const char *name, + rte_mem_alloc_validator_t clb, int socket_id, size_t limit); + +int +eal_memalloc_mem_alloc_validator_unregister(const char *name, int socket_id); + +int +eal_memalloc_mem_alloc_validate(int socket_id, size_t new_len); + +int +eal_memalloc_init(void); + +#endif /* EAL_MEMALLOC_H */ -- cgit 1.2.3-korg