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61 lines
1.7 KiB
61 lines
1.7 KiB
12 years ago
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/*
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* Copyright (C) 2012 Samsung Electronics Co., Ltd.
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*
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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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#ifndef _LIB_SECION_H_
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#define _LIB_SECION_H_
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#include <unistd.h>
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typedef unsigned long ion_phys_addr_t;
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typedef int ion_client;
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typedef int ion_buffer;
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enum ION_MSYNC_FLAGS {
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IMSYNC_DEV_TO_READ = 0,
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IMSYNC_DEV_TO_WRITE = 1,
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IMSYNC_DEV_TO_RW = 2,
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IMSYNC_SYNC_FOR_DEV = 0x10000,
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IMSYNC_SYNC_FOR_CPU = 0x20000,
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};
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struct secion_param {
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ion_client client;
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ion_buffer buffer;
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size_t size;
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void *memory;
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ion_phys_addr_t physaddr;
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};
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#ifdef __cplusplus
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extern "C" {
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#endif
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ion_client ion_client_create(void);
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void ion_client_destroy(ion_client client);
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ion_buffer ion_alloc(ion_client client, size_t len, size_t align, unsigned int flags);
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void ion_free(ion_buffer buffer);
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void *ion_map(ion_buffer buffer, size_t len, off_t offset);
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int ion_unmap(void *addr, size_t len);
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int ion_msync(ion_client client, ion_buffer buffer, enum ION_MSYNC_FLAGS flags, size_t size, off_t offset);
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ion_phys_addr_t ion_getphys(ion_client client, ion_buffer buffer);
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int createIONMem(struct secion_param *param, size_t size, unsigned int flags);
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int destroyIONMem(struct secion_param *param);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _LIB_SECION_H_ */
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