1*418b791dSBob Badour /** 2*418b791dSBob Badour * Copyright (c) 2019, The Linux Foundation. All rights reserved. 3*418b791dSBob Badour * 4*418b791dSBob Badour * Redistribution and use in source and binary forms, with or without 5*418b791dSBob Badour * modification, are permitted provided that the following conditions are 6*418b791dSBob Badour * met: 7*418b791dSBob Badour * * Redistributions of source code must retain the above copyright 8*418b791dSBob Badour * notice, this list of conditions and the following disclaimer. 9*418b791dSBob Badour * * Redistributions in binary form must reproduce the above 10*418b791dSBob Badour * copyright notice, this list of conditions and the following 11*418b791dSBob Badour * disclaimer in the documentation and/or other materials provided 12*418b791dSBob Badour * with the distribution. 13*418b791dSBob Badour * * Neither the name of The Linux Foundation nor the names of its 14*418b791dSBob Badour * contributors may be used to endorse or promote products derived 15*418b791dSBob Badour * from this software without specific prior written permission. 16*418b791dSBob Badour * 17*418b791dSBob Badour * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED 18*418b791dSBob Badour * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 19*418b791dSBob Badour * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT 20*418b791dSBob Badour * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS 21*418b791dSBob Badour * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 22*418b791dSBob Badour * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 23*418b791dSBob Badour * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR 24*418b791dSBob Badour * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 25*418b791dSBob Badour * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE 26*418b791dSBob Badour * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN 27*418b791dSBob Badour * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28*418b791dSBob Badour */ 29*418b791dSBob Badour 30*418b791dSBob Badour #ifndef FASTRPC_ANDROID_USER_H 31*418b791dSBob Badour #define FASTRPC_ANDROID_USER_H 32*418b791dSBob Badour 33*418b791dSBob Badour #include <assert.h> 34*418b791dSBob Badour #include <fcntl.h> 35*418b791dSBob Badour #include <asm/ioctl.h> 36*418b791dSBob Badour #include <errno.h> 37*418b791dSBob Badour 38*418b791dSBob Badour /* 39*418b791dSBob Badour * API to check if kernel supports remote memory allocation 40*418b791dSBob Badour * Returns 0 if NOT supported 41*418b791dSBob Badour * 42*418b791dSBob Badour */ 43*418b791dSBob Badour int is_kernel_alloc_supported(int dev, int domain); 44*418b791dSBob Badour 45*418b791dSBob Badour /* 46*418b791dSBob Badour * API to allocate ION memory for internal purposes 47*418b791dSBob Badour * Returns NULL if allocation fails 48*418b791dSBob Badour * 49*418b791dSBob Badour */ 50*418b791dSBob Badour void* rpcmem_alloc_internal(int heapid, uint32 flags, int size); 51*418b791dSBob Badour 52*418b791dSBob Badour /* 53*418b791dSBob Badour * API to free internally allocated ION memory 54*418b791dSBob Badour * 55*418b791dSBob Badour */ 56*418b791dSBob Badour void rpcmem_free_internal(void* po); 57*418b791dSBob Badour 58*418b791dSBob Badour /* 59*418b791dSBob Badour * API to get fd of internally allocated ION buffer 60*418b791dSBob Badour * Returns valid fd on success and -1 on failure 61*418b791dSBob Badour * 62*418b791dSBob Badour */ 63*418b791dSBob Badour int rpcmem_to_fd_internal(void *po); 64*418b791dSBob Badour 65*418b791dSBob Badour #endif //FASTRPC_ANDROID_USER_H 66