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