vpp - Vector Packet Processing

Age	Commit message (Expand)	Author	Files	Lines
2018-09-21	add: nasm and ipsec-mb into vpp-ext-deps packaging	Damjan Marion	1	-0/+150

/* * Copyright (c) 2018 Cisco and/or its affiliates. * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at: * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #ifndef included_palloc_h #define included_palloc_h #include <vppinfra/format.h> #include <vppinfra/pool.h> #define PMALLOC_LOG2_BLOCK_SZ CLIB_LOG2_CACHE_LINE_BYTES #define PMALLOC_BLOCK_SZ (1 << 6) #define CLIB_PMALLOC_NUMA_LOCAL 0xffffffff typedef struct { u32 start, prev, next; u32 size:31; u32 used:1; } clib_pmalloc_chunk_t; STATIC_ASSERT_SIZEOF (clib_pmalloc_chunk_t, 16); typedef struct { u32 index; u32 arena_index; clib_pmalloc_chunk_t *chunks; u32 first_chunk_index; u32 n_free_chunks; u32 n_free_blocks; } clib_pmalloc_page_t; typedef struct { u32 index; u32 flags; #define CLIB_PMALLOC_ARENA_F_SHARED_MEM (1 << 0) int fd; u32 numa_node; u32 first_page_index; u32 log2_subpage_sz; u32 subpages_per_page; u32 n_pages; u8 *name; u32 *page_indices; } clib_pmalloc_arena_t; typedef struct { /* flags */ u32 flags; #define CLIB_PMALLOC_F_NO_PAGEMAP (1 << 0) /* base VA address */ u8 *base; /* default page size - typically 2M */ u32 def_log2_page_sz; /* system page size - typically 4K */ u32 sys_log2_page_sz; /* maximum number of pages, limited by VA preallocation size */ u32 max_pages; /* vector of pages - each page have own alloc pool and it can be split into subpages (i.e. 2M page build out of 512 4K pages) */ clib_pmalloc_page_t *pages; /* hash used to find chunk index out of VA, chunk index is defined per page */ uword *chunk_index_by_va; /* alloc arenas are group of pages which share same attributes shared arenas are represented by FD and they are not grovable private arenas are growable */ clib_pmalloc_arena_t *arenas; /* vector of per numa node alloc arena indices each numa node have own default privat alloc arena */ u32 *default_arena_for_numa_node; /* VA to PA lookup table */ uword *lookup_table; /* lookup page size - equals to smalles subpage used */ u32 lookup_log2_page_sz; /* last error */ clib_error_t *error; } clib_pmalloc_main_t; int clib_pmalloc_init (clib_pmalloc_main_t * pm, uword base_addr, uword size); void *clib_pmalloc_alloc_aligned_on_numa (clib_pmalloc_main_t * pm, uword size, uword align, u32 numa_node); void *clib_pmalloc_alloc_aligned (clib_pmalloc_main_t * pm, uword size, uword align); void clib_pmalloc_free (clib_pmalloc_main_t * pm, void *va); void *clib_pmalloc_create_shared_arena (clib_pmalloc_main_t * pm, char *name, uword size, u32 log2_page_sz, u32 numa_node); void *clib_pmalloc_alloc_from_arena (clib_pmalloc_main_t * pm, void *arena_va, uword size, uword align); format_function_t format_pmalloc; format_function_t format_pmalloc_map; always_inline clib_error_t * clib_pmalloc_last_error (clib_pmalloc_main_t * pm) { return pm->error; } always_inline u32 clib_pmalloc_get_page_index (clib_pmalloc_main_t * pm, void *va) { uword index = (pointer_to_uword (va) - pointer_to_uword (pm->base)) >> pm->def_log2_page_sz; ASSERT (index < vec_len (pm->pages)); return index; } always_inline clib_pmalloc_arena_t * clib_pmalloc_get_arena (clib_pmalloc_main_t * pm, void *va) { u32 index = clib_pmalloc_get_page_index (pm, va); return pm->arenas + pm->pages[index].arena_index; } always_inline uword clib_pmalloc_get_pa (clib_pmalloc_main_t * pm, void *va) { uword index = (pointer_to_uword (va) - pointer_to_uword (pm->base)) >> pm->lookup_log2_page_sz; return pointer_to_uword (va) - pm->lookup_table[index]; } #endif /* included_palloc_h */ /* * fd.io coding-style-patch-verification: ON * * Local Variables: * eval: (c-set-style "gnu") * End: */