diff options
author | nanger <zhenyinan@huawei.com> | 2018-08-20 11:14:15 +0800 |
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committer | yinan zhen <zhenyinan@huawei.com> | 2018-08-24 01:00:15 +0000 |
commit | b63ec47559ad7b90f348dd733b805d78d156893d (patch) | |
tree | 2118aca2dd56f41972d96b7e478c00af55206d95 /src/framework/mem/dmm_segment.h | |
parent | 866a942c3581440bef9ebda5d84c039490bb3179 (diff) |
Feat: add new share memory module
Change-Id: I25e6ca1bd3d2acc0031926e3f46d4501e8d78f1a
Signed-off-by: nanger <zhenyinan@huawei.com>
Diffstat (limited to 'src/framework/mem/dmm_segment.h')
-rw-r--r-- | src/framework/mem/dmm_segment.h | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/src/framework/mem/dmm_segment.h b/src/framework/mem/dmm_segment.h new file mode 100644 index 0000000..135f347 --- /dev/null +++ b/src/framework/mem/dmm_segment.h @@ -0,0 +1,35 @@ +/* +* +* 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 *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, + const char name[DMM_MEM_NAME_SIZE]); + +#endif /* #ifndef _DMM_SEGMENT_H_ */ |