66 lines
2.4 KiB
C
Executable File
66 lines
2.4 KiB
C
Executable File
/*
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* Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
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* Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this list of
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* conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice, this list
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* of conditions and the following disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* 3. Neither the name of the copyright holder nor the names of its contributors may be used
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* to endorse or promote products derived from this software without specific prior written
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* permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef __LOS_VM_IOMAP_H__
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#define __LOS_VM_IOMAP_H__
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#include "los_typedef.h"
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#include "los_vm_zone.h"
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#ifdef __cplusplus
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#if __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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#endif /* __cplusplus */
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enum DmaMemType {
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DMA_CACHE,
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DMA_NOCACHE
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};
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#define IS_PERIPH_ADDR(addr) \
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(((addr) >= U32_C(PERIPH_PMM_BASE)) && ((addr) <= U32_C(PERIPH_PMM_BASE) + U32_C(PERIPH_PMM_SIZE)))
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#define IS_MEMORY_ADDR(addr) \
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(((addr) >= U32_C(DDR_MEM_ADDR)) && ((addr) <= U32_C(DDR_MEM_ADDR) + U32_C(DDR_MEM_SIZE)))
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/* thread safety */
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VOID *LOS_DmaMemAlloc(DMA_ADDR_T *dmaAddr, size_t size, size_t align, enum DmaMemType type);
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VOID LOS_DmaMemFree(VOID *vaddr);
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DMA_ADDR_T LOS_DmaVaddrToPaddr(VOID *vaddr);
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#ifdef __cplusplus
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#if __cplusplus
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}
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#endif /* __cplusplus */
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#endif /* __cplusplus */
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#endif /* __LOS_VM_IOMAP_H__ */
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