xref: /netbsd-src/sys/external/bsd/drm2/vmwgfx/vmwgfx_task.h (revision a53f11173ae5a0eb82547dc88b62c4e22a581dd4)
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
vmwgfx_task_init(struct vmwgfx_task * task,void (* fn)(struct vmwgfx_task *))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