/*
* Copyright (c) 2015 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.
*/
/*
* physmem.h: virtual <-> physical memory mapping for VLIB buffers
*
* Copyright (c) 2008 Eliot Dresselhaus
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef included_vlib_physmem_h
#define included_vlib_physmem_h
typedef u8 vlib_physmem_region_index_t;
typedef struct
{
vlib_physmem_region_index_t index;
void *mem;
uword size;
int fd;
u8 log2_page_size;
u16 n_pages;
u32 page_mask;
void *heap;
u32 flags;
#define VLIB_PHYSMEM_F_INIT_MHEAP (1 << 0)
#define VLIB_PHYSMEM_F_HUGETLB (1 << 1)
#define VLIB_PHYSMEM_F_SHARED (1 << 2)
u8 numa_node;
u64 *page_table;
u8 *name;
} vlib_physmem_region_t;
typedef struct
{
u32 flags;
#define VLIB_PHYSMEM_MAIN_F_HAVE_PAGEMAP (1 << 0)
#define VLIB_PHYSMEM_MAIN_F_HAVE_IOMMU (1 << 1)
vlib_physmem_region_t *regions;
} vlib_physmem_main_t;
extern vlib_physmem_main_t physmem_main;
#endif /* included_vlib_physmem_h */
/*
* fd.io coding-style-patch-verification: ON
*
* Local Variables:
* eval: (c-set-style "gnu")
* End:
*/