xref: /src/sys/external/bsd/drm2/vmwgfx/vmwgfx_task.h

/*	$NetBSD: vmwgfx_task.h,v 1.2 2022/07/18 23:34:03 riastradh Exp $	*/

/*-
 * Copyright (c) 2022 The NetBSD Foundation, Inc.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. 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.
 *
 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION 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	_VMWGFX_VMWGFX_TASK_H_
#define	_VMWGFX_VMWGFX_TASK_H_

#include <sys/queue.h>
#include <sys/workqueue.h>

struct vmwgfx_task {
	union {
		SIMPLEQ_ENTRY(vmwgfx_task)	queue;
		struct work			work;
	}			vt_u;
	void			(*vt_fn)(struct vmwgfx_task *);
};

static inline void
vmwgfx_task_init(struct vmwgfx_task *task, void (*fn)(struct vmwgfx_task *))
{

	task->vt_fn = fn;
}

void	vmwgfx_task_schedule(device_t, struct vmwgfx_task *);

#endif	/* _VMWGFX_VMWGFX_TASK_H_ */