blob: 500e4e87bbcba45608d9a334575a4ff3ce207b7d (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
|
/*
*
* Copyright (c) 2018 Huawei Technologies Co.,Ltd.
* 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 _DMM_SEGMENT_H_
#define _DMM_SEGMENT_H_
#define DMM_MEM_NAME_SIZE 32
struct dmm_segment;
void dmm_seg_lock (struct dmm_segment *seg);
void dmm_seg_unlock (struct dmm_segment *seg);
struct dmm_segment *dmm_seg_create (void *base, size_t size);
struct dmm_segment *dmm_seg_attach (void *base, size_t size);
void dmm_seg_dump (struct dmm_segment *seg);
void *dmm_mem_alloc (struct dmm_segment *seg, size_t size);
int dmm_mem_free (struct dmm_segment *seg, void *mem);
void *dmm_mem_lookup (struct dmm_segment *seg,
const char name[DMM_MEM_NAME_SIZE]);
void *dmm_mem_map (struct dmm_segment *seg, size_t size,
const char name[DMM_MEM_NAME_SIZE]);
int dmm_mem_unmap (struct dmm_segment *seg, void *mem);
#endif /* #ifndef _DMM_SEGMENT_H_ */
|
