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      1 /*	$NetBSD: vmwgfx_task.h,v 1.2 2022/07/18 23:34:03 riastradh Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2022 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     17  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     18  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     19  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     20  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     23  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     24  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     25  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     26  * POSSIBILITY OF SUCH DAMAGE.
     27  */
     28 
     29 #ifndef	_VMWGFX_VMWGFX_TASK_H_
     30 #define	_VMWGFX_VMWGFX_TASK_H_
     31 
     32 #include <sys/queue.h>
     33 #include <sys/workqueue.h>
     34 
     35 struct vmwgfx_task {
     36 	union {
     37 		SIMPLEQ_ENTRY(vmwgfx_task)	queue;
     38 		struct work			work;
     39 	}			vt_u;
     40 	void			(*vt_fn)(struct vmwgfx_task *);
     41 };
     42 
     43 static inline void
     44 vmwgfx_task_init(struct vmwgfx_task *task, void (*fn)(struct vmwgfx_task *))
     45 {
     46 
     47 	task->vt_fn = fn;
     48 }
     49 
     50 void	vmwgfx_task_schedule(device_t, struct vmwgfx_task *);
     51 
     52 #endif	/* _VMWGFX_VMWGFX_TASK_H_ */
     53