dcf512adcd
Type: fix Signed-off-by: Mohsin Kazmi <sykazmi@cisco.com> Change-Id: I788678d85dfa1d5b99497013806047440028eb97
125 lines
4.1 KiB
C
125 lines
4.1 KiB
C
/*
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* Copyright (c) 2015 Cisco and/or its affiliates.
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/*
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* physmem.h: virtual <-> physical memory mapping for VLIB buffers
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*
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* Copyright (c) 2008 Eliot Dresselhaus
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#ifndef included_vlib_physmem_funcs_h
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#define included_vlib_physmem_funcs_h
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#include <vppinfra/clib.h>
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#include <vppinfra/clib_error.h>
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#include <vlib/physmem.h>
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#include <vlib/main.h>
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clib_error_t *vlib_physmem_init (vlib_main_t * vm);
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clib_error_t *vlib_physmem_shared_map_create (vlib_main_t * vm, char *name,
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uword size, u32 log2_page_sz,
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u32 numa_node, u32 * map_index);
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vlib_physmem_map_t *vlib_physmem_get_map (vlib_main_t * vm, u32 index);
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always_inline void *
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vlib_physmem_alloc_aligned (vlib_main_t * vm, uword n_bytes, uword alignment)
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{
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clib_pmalloc_main_t *pm = vm->physmem_main.pmalloc_main;
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return clib_pmalloc_alloc_aligned (pm, n_bytes, alignment);
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}
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always_inline void *
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vlib_physmem_alloc_aligned_on_numa (vlib_main_t * vm, uword n_bytes,
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uword alignment, u32 numa_node)
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{
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clib_pmalloc_main_t *pm = vm->physmem_main.pmalloc_main;
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return clib_pmalloc_alloc_aligned_on_numa (pm, n_bytes, alignment,
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numa_node);
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}
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/* By default allocate I/O memory with cache line alignment. */
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always_inline void *
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vlib_physmem_alloc (vlib_main_t * vm, uword n_bytes)
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{
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return vlib_physmem_alloc_aligned (vm, n_bytes, CLIB_CACHE_LINE_BYTES);
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}
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always_inline void *
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vlib_physmem_alloc_from_map (vlib_main_t * vm, u32 physmem_map_index,
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uword n_bytes, uword alignment)
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{
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clib_pmalloc_main_t *pm = vm->physmem_main.pmalloc_main;
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vlib_physmem_map_t *map = vlib_physmem_get_map (vm, physmem_map_index);
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return clib_pmalloc_alloc_from_arena (pm, map->base, n_bytes,
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CLIB_CACHE_LINE_BYTES);
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}
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always_inline void
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vlib_physmem_free (vlib_main_t * vm, void *p)
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{
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if (p)
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clib_pmalloc_free (vm->physmem_main.pmalloc_main, p);
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}
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always_inline u64
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vlib_physmem_get_page_index (vlib_main_t * vm, void *mem)
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{
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clib_pmalloc_main_t *pm = vm->physmem_main.pmalloc_main;
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return clib_pmalloc_get_page_index (pm, mem);
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}
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always_inline u64
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vlib_physmem_get_pa (vlib_main_t * vm, void *mem)
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{
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clib_pmalloc_main_t *pm = vm->physmem_main.pmalloc_main;
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return clib_pmalloc_get_pa (pm, mem);
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}
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always_inline clib_error_t *
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vlib_physmem_last_error (struct vlib_main_t * vm)
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{
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clib_pmalloc_main_t *pm = vm->physmem_main.pmalloc_main;
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return pm->error;
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}
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#endif /* included_vlib_physmem_funcs_h */
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/*
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* fd.io coding-style-patch-verification: ON
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*
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* Local Variables:
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* eval: (c-set-style "gnu")
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* End:
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*/
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