xref: /openbsd/sys/dev/isa/pcppivar.h (revision 7b36286a)
1 /* $OpenBSD: pcppivar.h,v 1.3 2002/03/14 01:26:56 millert Exp $ */
2 /* $NetBSD: pcppivar.h,v 1.1 1998/04/15 20:26:18 drochner Exp $ */
3 
4 /*
5  * Copyright (c) 1996 Carnegie-Mellon University.
6  * All rights reserved.
7  *
8  * Author: Chris G. Demetriou
9  *
10  * Permission to use, copy, modify and distribute this software and
11  * its documentation is hereby granted, provided that both the copyright
12  * notice and this permission notice appear in all copies of the
13  * software, derivative works or modified versions, and any portions
14  * thereof, and that both notices appear in supporting documentation.
15  *
16  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
17  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
18  * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
19  *
20  * Carnegie Mellon requests users of this software to return to
21  *
22  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
23  *  School of Computer Science
24  *  Carnegie Mellon University
25  *  Pittsburgh PA 15213-3890
26  *
27  * any improvements or extensions that they make and grant Carnegie the
28  * rights to redistribute these changes.
29  */
30 
31 typedef void *pcppi_tag_t;
32 
33 struct pcppi_attach_args {
34 	pcppi_tag_t pa_cookie;
35 };
36 
37 #define PCPPI_BELL_SLEEP	0x01	/* synchronous; sleep for complete */
38 #define PCPPI_BELL_POLL		0x02	/* synchronous; poll for complete */
39 
40 void pcppi_bell(pcppi_tag_t, int, int, int);
41