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66 lines
2.3 KiB
66 lines
2.3 KiB
/**
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* Copyright (c) 2019, The Linux Foundation. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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* * Neither the name of The Linux Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
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* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef FASTRPC_ANDROID_USER_H
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#define FASTRPC_ANDROID_USER_H
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#include <assert.h>
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#include <fcntl.h>
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#include <asm/ioctl.h>
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#include <errno.h>
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/*
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* API to check if kernel supports remote memory allocation
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* Returns 0 if NOT supported
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*
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*/
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int is_kernel_alloc_supported(int dev, int domain);
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/*
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* API to allocate ION memory for internal purposes
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* Returns NULL if allocation fails
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*
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*/
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void* rpcmem_alloc_internal(int heapid, uint32 flags, int size);
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/*
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* API to free internally allocated ION memory
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*
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*/
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void rpcmem_free_internal(void* po);
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/*
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* API to get fd of internally allocated ION buffer
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* Returns valid fd on success and -1 on failure
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*
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*/
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int rpcmem_to_fd_internal(void *po);
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#endif //FASTRPC_ANDROID_USER_H
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