1 /* $NetBSD: nouveau_pci.h,v 1.2 2015/10/17 12:02:44 jmcneill Exp $ */
2
3 /*-
4 * Copyright (c) 2015 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Taylor R. Campbell.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32 #ifndef _NOUVEAU_NOUVEAU_PCI_H_
33 #define _NOUVEAU_NOUVEAU_PCI_H_
34
35 #include <sys/queue.h>
36 #include <sys/workqueue.h>
37
38 struct nouveau_pci_task {
39 union {
40 SIMPLEQ_ENTRY(nouveau_pci_task) queue;
41 struct work work;
42 } nt_u;
43 void (*nt_fn)(struct nouveau_pci_task *);
44 };
45
46 static inline void
nouveau_pci_task_init(struct nouveau_pci_task * task,void (* fn)(struct nouveau_pci_task *))47 nouveau_pci_task_init(struct nouveau_pci_task *task, void (*fn)(struct nouveau_pci_task *))
48 {
49
50 task->nt_fn = fn;
51 }
52
53 int nouveau_pci_task_schedule(device_t, struct nouveau_pci_task *);
54
55 #endif /* _NOUVEAU_NOUVEAU_PCI_H_ */
56