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physmem.h
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/*
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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_h
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#define included_vlib_physmem_h
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typedef
u8
vlib_physmem_region_index_t
;
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typedef
struct
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{
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vlib_physmem_region_index_t
index
;
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void
*
mem
;
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uword
size
;
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int
fd
;
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u8
log2_page_size
;
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u16
n_pages
;
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u32
page_mask
;
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void
*
heap
;
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u32
flags
;
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#define VLIB_PHYSMEM_F_INIT_MHEAP (1<<0)
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#define VLIB_PHYSMEM_F_FAKE (1<<2)
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u8
numa_node
;
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u64
*
page_table
;
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u8
*
name
;
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}
vlib_physmem_region_t
;
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typedef
struct
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{
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vlib_physmem_region_t
*
regions
;
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}
vlib_physmem_main_t
;
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#endif
/* included_vlib_physmem_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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*/
vlib_physmem_region_t::size
uword size
Definition:
physmem.h:49
vlib_physmem_region_t::n_pages
u16 n_pages
Definition:
physmem.h:52
vlib_physmem_region_t::log2_page_size
u8 log2_page_size
Definition:
physmem.h:51
vlib_physmem_region_t::page_mask
u32 page_mask
Definition:
physmem.h:53
u64
unsigned long u64
Definition:
types.h:89
vlib_physmem_region_t::page_table
u64 * page_table
Definition:
physmem.h:61
vlib_physmem_region_t::mem
void * mem
Definition:
physmem.h:48
vlib_physmem_region_t::heap
void * heap
Definition:
physmem.h:55
u32
unsigned int u32
Definition:
types.h:88
vlib_physmem_region_t::numa_node
u8 numa_node
Definition:
physmem.h:60
vlib_physmem_region_t
Definition:
physmem.h:45
vlib_physmem_region_t::fd
int fd
Definition:
physmem.h:50
vlib_physmem_region_t::flags
u32 flags
Definition:
physmem.h:56
vlib_physmem_region_t::index
vlib_physmem_region_index_t index
Definition:
physmem.h:47
uword
u64 uword
Definition:
types.h:112
u16
unsigned short u16
Definition:
types.h:57
vlib_physmem_region_t::name
u8 * name
Definition:
physmem.h:62
u8
unsigned char u8
Definition:
types.h:56
vlib_physmem_main_t
Definition:
physmem.h:67
vlib_physmem_region_index_t
u8 vlib_physmem_region_index_t
Definition:
physmem.h:43
vlib_physmem_main_t::regions
vlib_physmem_region_t * regions
Definition:
physmem.h:69
src
vlib
physmem.h
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