FD.io VPP  v21.06-3-gbb25fbf28
Vector Packet Processing
physmem.h
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1 /*
2  * Copyright (c) 2015 Cisco and/or its affiliates.
3  * Licensed under the Apache License, Version 2.0 (the "License");
4  * you may not use this file except in compliance with the License.
5  * You may obtain a copy of the License at:
6  *
7  * http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software
10  * distributed under the License is distributed on an "AS IS" BASIS,
11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  * See the License for the specific language governing permissions and
13  * limitations under the License.
14  */
15 /*
16  * physmem.h: virtual <-> physical memory mapping for VLIB buffers
17  *
18  * Copyright (c) 2008 Eliot Dresselhaus
19  *
20  * Permission is hereby granted, free of charge, to any person obtaining
21  * a copy of this software and associated documentation files (the
22  * "Software"), to deal in the Software without restriction, including
23  * without limitation the rights to use, copy, modify, merge, publish,
24  * distribute, sublicense, and/or sell copies of the Software, and to
25  * permit persons to whom the Software is furnished to do so, subject to
26  * the following conditions:
27  *
28  * The above copyright notice and this permission notice shall be
29  * included in all copies or substantial portions of the Software.
30  *
31  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
32  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
33  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
34  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
35  * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
36  * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
37  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
38  */
39 
40 #ifndef included_vlib_physmem_h
41 #define included_vlib_physmem_h
42 
43 #include <vppinfra/pmalloc.h>
44 
45 typedef struct
46 {
47  int index;
48  int fd;
49  void *base;
55 
56 typedef struct
57 {
61 #define VLIB_PHYSMEM_MAIN_F_HAVE_PAGEMAP (1 << 0)
62 #define VLIB_PHYSMEM_MAIN_F_HAVE_IOMMU (1 << 1)
66 
67 #endif /* included_vlib_physmem_h */
68 
69 /*
70  * fd.io coding-style-patch-verification: ON
71  *
72  * Local Variables:
73  * eval: (c-set-style "gnu")
74  * End:
75  */
vlib_physmem_map_t::base
void * base
Definition: physmem.h:49
vlib_physmem_main_t::max_size
uword max_size
Definition: physmem.h:60
vlib_physmem_map_t::index
int index
Definition: physmem.h:47
vlib_physmem_map_t
Definition: physmem.h:45
vlib_physmem_main_t::base_addr
uword base_addr
Definition: physmem.h:59
vlib_physmem_main_t::pmalloc_main
clib_pmalloc_main_t * pmalloc_main
Definition: physmem.h:64
vlib_physmem_map_t::log2_page_size
u32 log2_page_size
Definition: physmem.h:52
vlib_physmem_map_t::fd
int fd
Definition: physmem.h:48
vlib_physmem_map_t::n_pages
u32 n_pages
Definition: physmem.h:50
uword
u64 uword
Definition: types.h:112
vlib_physmem_map_t::numa_node
u32 numa_node
Definition: physmem.h:53
clib_pmalloc_main_t
Definition: pmalloc.h:60
vlib_physmem_map_t::page_table
uword * page_table
Definition: physmem.h:51
u32
unsigned int u32
Definition: types.h:88
pmalloc.h
vlib_physmem_main_t
Definition: physmem.h:56
vlib_physmem_main_t::flags
u32 flags
Definition: physmem.h:58
vlib_physmem_main_t::maps
vlib_physmem_map_t * maps
Definition: physmem.h:63