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