xref: /netbsd-src/sys/arch/xen/include/xbdvar.h (revision 23c8222edbfb0f0932d88a8351d3a0cf817dfb9e)
1 /* $NetBSD: xbdvar.h,v 1.6 2004/09/15 04:55:21 tls Exp $ */
2 
3 /*
4  *
5  * Copyright (c) 2004 Christian Limpach.
6  * All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  * 3. All advertising materials mentioning features or use of this software
17  *    must display the following acknowledgement:
18  *      This product includes software developed by Christian Limpach.
19  * 4. The name of the author may not be used to endorse or promote products
20  *    derived from this software without specific prior written permission.
21  *
22  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
23  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
24  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
25  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
26  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
27  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
29  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
31  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32  */
33 
34 
35 #ifndef _XEN_XBDVAR_H_
36 #define _XEN_XBDVAR_H_
37 
38 struct xbd_softc {
39 	struct device		sc_dev;		/* base device glue */
40 	struct dk_softc		sc_dksc;	/* generic disk interface */
41 	unsigned long		sc_xd_device;	/* cookie identifying device */
42 	struct dk_intf		*sc_di;		/* pseudo-disk interface */
43 	struct simplelock	sc_slock;	/* our lock */
44 	int			sc_shutdown;	/* about to be removed */
45 #if NRND > 0
46 	rndsource_element_t	rnd_source;
47 #endif
48 };
49 
50 struct xbd_attach_args {
51 	const char 		*xa_device;
52 	xen_disk_t		*xa_xd;
53 	struct dk_intf		*xa_dkintf;
54 	struct sysctlnode	*xa_diskcookies;
55 };
56 
57 int xbd_scan(struct device *, struct xbd_attach_args *, cfprint_t);
58 
59 #endif /* _XEN_XBDVAR_H_ */
60