blob: 341b2ca4ad0f2129e77e83bb2cf3c8584ac34cf5 [file] [log] [blame]
Tharun Kumar Merugu66f22652019-04-01 16:56:50 +05301/**
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
36extern "C" {
37#endif
38
39typedef struct {
40 uint64_t pv;
41 int64_t nLen;
42} remote_buf64;
43
44typedef struct {
45 int32_t fd;
46 uint32_t offset;
47 uint32_t len;
48} remote_dma_handle64;
49
50typedef 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