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      1  1.5  riastrad /*	$NetBSD: sync_file.h,v 1.5 2022/07/17 14:11:07 riastradh Exp $	*/
      2  1.1  riastrad 
      3  1.1  riastrad /*-
      4  1.1  riastrad  * Copyright (c) 2018 The NetBSD Foundation, Inc.
      5  1.1  riastrad  * All rights reserved.
      6  1.1  riastrad  *
      7  1.1  riastrad  * This code is derived from software contributed to The NetBSD Foundation
      8  1.1  riastrad  * by Taylor R. Campbell.
      9  1.1  riastrad  *
     10  1.1  riastrad  * Redistribution and use in source and binary forms, with or without
     11  1.1  riastrad  * modification, are permitted provided that the following conditions
     12  1.1  riastrad  * are met:
     13  1.1  riastrad  * 1. Redistributions of source code must retain the above copyright
     14  1.1  riastrad  *    notice, this list of conditions and the following disclaimer.
     15  1.1  riastrad  * 2. Redistributions in binary form must reproduce the above copyright
     16  1.1  riastrad  *    notice, this list of conditions and the following disclaimer in the
     17  1.1  riastrad  *    documentation and/or other materials provided with the distribution.
     18  1.1  riastrad  *
     19  1.1  riastrad  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  1.1  riastrad  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  1.1  riastrad  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  1.1  riastrad  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  1.1  riastrad  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  1.1  riastrad  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  1.1  riastrad  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  1.1  riastrad  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  1.1  riastrad  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  1.1  riastrad  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  1.1  riastrad  * POSSIBILITY OF SUCH DAMAGE.
     30  1.1  riastrad  */
     31  1.1  riastrad 
     32  1.1  riastrad #ifndef	_LINUX_SYNC_FILE_H_
     33  1.1  riastrad #define	_LINUX_SYNC_FILE_H_
     34  1.1  riastrad 
     35  1.4  riastrad #include <sys/mutex.h>
     36  1.4  riastrad #include <sys/select.h>
     37  1.4  riastrad 
     38  1.4  riastrad #include <linux/dma-fence.h>
     39  1.4  riastrad 
     40  1.5  riastrad #define	sync_file_create	linux_sync_file_create
     41  1.5  riastrad #define	sync_file_get_fence	linux_sync_file_get_fence
     42  1.5  riastrad 
     43  1.2  riastrad struct dma_fence;
     44  1.3  riastrad struct file;
     45  1.2  riastrad struct sync_file;
     46  1.2  riastrad 
     47  1.3  riastrad struct sync_file {
     48  1.4  riastrad 	/* Linux API */
     49  1.4  riastrad 	struct file		*file;
     50  1.4  riastrad 
     51  1.4  riastrad 	/* Private */
     52  1.4  riastrad 	struct dma_fence	*sf_fence;
     53  1.4  riastrad 	kmutex_t		sf_lock;
     54  1.4  riastrad 	struct selinfo		sf_selq;
     55  1.4  riastrad 	struct dma_fence_cb	sf_fcb;
     56  1.4  riastrad 	bool			sf_polling;
     57  1.4  riastrad 	bool			sf_signalled;
     58  1.3  riastrad };
     59  1.3  riastrad 
     60  1.2  riastrad struct sync_file *
     61  1.3  riastrad 	sync_file_create(struct dma_fence *, struct file *);
     62  1.2  riastrad struct dma_fence *
     63  1.2  riastrad 	sync_file_get_fence(int);
     64  1.2  riastrad 
     65  1.1  riastrad #endif	/* _LINUX_SYNC_FILE_H_ */
     66