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authornanger <zhenyinan@huawei.com>2018-08-20 11:14:15 +0800
committeryinan zhen <zhenyinan@huawei.com>2018-08-24 01:00:15 +0000
commitb63ec47559ad7b90f348dd733b805d78d156893d (patch)
tree2118aca2dd56f41972d96b7e478c00af55206d95 /src/framework/mem/dmm_segment.h
parent866a942c3581440bef9ebda5d84c039490bb3179 (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.h35
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_ */