1 /** 2 * Copyright (c) 2019, The Linux Foundation. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are 6 * met: 7 * * Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * * Redistributions in binary form must reproduce the above 10 * copyright notice, this list of conditions and the following 11 * disclaimer in the documentation and/or other materials provided 12 * with the distribution. 13 * * Neither the name of The Linux Foundation nor the names of its 14 * contributors may be used to endorse or promote products derived 15 * from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED 18 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS 21 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 22 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 23 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR 24 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 25 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE 26 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN 27 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 */ 29 30 #ifndef REMOTE64_H 31 #define REMOTE64_H 32 33 #include "remote.h" 34 35 #ifdef __cplusplus 36 extern "C" { 37 #endif 38 39 typedef struct { 40 uint64_t pv; 41 int64_t nLen; 42 } remote_buf64; 43 44 typedef struct { 45 int32_t fd; 46 uint32_t offset; 47 uint32_t len; 48 } remote_dma_handle64; 49 50 typedef union { 51 remote_buf64 buf; 52 remote_handle h; 53 remote_handle64 h64; //! used by multi domain modules 54 remote_dma_handle64 dma; 55 } remote_arg64; 56 57 #ifndef __QAIC_REMOTE 58 #define __QAIC_REMOTE(ff) ff 59 #endif //__QAIC_REMOTE 60 61 #ifndef __QAIC_REMOTE_EXPORT 62 #ifdef _WIN32 63 #define __QAIC_REMOTE_EXPORT __declspec(dllexport) 64 #else //_WIN32 65 #define __QAIC_REMOTE_EXPORT 66 #endif //_WIN32 67 #endif //__QAIC_REMOTE_EXPORT 68 69 #ifndef __QAIC_REMOTE_ATTRIBUTE 70 #define __QAIC_REMOTE_ATTRIBUTE 71 #endif 72 73 /* map memory to the remote domain 74 * 75 * @param fd, fd associated with this memory 76 * @param flags, flags to be used for the mapping 77 * @param vaddrin, input address 78 * @param size, size of buffer 79 * @param vaddrout, output address 80 * @retval, 0 on success 81 */ 82 __QAIC_REMOTE_EXPORT int __QAIC_REMOTE(remote_mmap64)(int fd, uint32_t flags, uint64_t vaddrin, int64_t size, uint64_t *vaddrout) __QAIC_REMOTE_ATTRIBUTE; 83 84 /* unmap memory from the remote domain 85 * 86 * @param vaddrout, remote address mapped 87 * @param size, size to unmap. Unmapping a range partially may not be supported. 88 * @retval, 0 on success, may fail if memory is still mapped 89 */ 90 __QAIC_REMOTE_EXPORT int __QAIC_REMOTE(remote_munmap64)(uint64_t vaddrout, int64_t size) __QAIC_REMOTE_ATTRIBUTE; 91 92 #ifdef __cplusplus 93 } 94 #endif 95 96 #endif // REMOTE64_H 97