diff options
Diffstat (limited to 'inc/remote64.h')
-rw-r--r-- | inc/remote64.h | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/inc/remote64.h b/inc/remote64.h new file mode 100644 index 0000000..341b2ca --- /dev/null +++ b/inc/remote64.h @@ -0,0 +1,96 @@ +/** + * 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 REMOTE64_H +#define REMOTE64_H + +#include "remote.h" + +#ifdef __cplusplus +extern "C" { +#endif + +typedef struct { + uint64_t pv; + int64_t nLen; +} remote_buf64; + +typedef struct { + int32_t fd; + uint32_t offset; + uint32_t len; +} remote_dma_handle64; + +typedef union { + remote_buf64 buf; + remote_handle h; + remote_handle64 h64; //! used by multi domain modules + remote_dma_handle64 dma; +} remote_arg64; + +#ifndef __QAIC_REMOTE +#define __QAIC_REMOTE(ff) ff +#endif //__QAIC_REMOTE + +#ifndef __QAIC_REMOTE_EXPORT +#ifdef _WIN32 +#define __QAIC_REMOTE_EXPORT __declspec(dllexport) +#else //_WIN32 +#define __QAIC_REMOTE_EXPORT +#endif //_WIN32 +#endif //__QAIC_REMOTE_EXPORT + +#ifndef __QAIC_REMOTE_ATTRIBUTE +#define __QAIC_REMOTE_ATTRIBUTE +#endif + +/* map memory to the remote domain + * + * @param fd, fd associated with this memory + * @param flags, flags to be used for the mapping + * @param vaddrin, input address + * @param size, size of buffer + * @param vaddrout, output address + * @retval, 0 on success + */ +__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; + +/* unmap memory from the remote domain + * + * @param vaddrout, remote address mapped + * @param size, size to unmap. Unmapping a range partially may not be supported. + * @retval, 0 on success, may fail if memory is still mapped + */ +__QAIC_REMOTE_EXPORT int __QAIC_REMOTE(remote_munmap64)(uint64_t vaddrout, int64_t size) __QAIC_REMOTE_ATTRIBUTE; + +#ifdef __cplusplus +} +#endif + +#endif // REMOTE64_H |