/* $NetBSD: xbdvar.h,v 1.17 2015/05/02 08:00:08 mlelstv Exp $ */

/*
*
* Copyright (c) 2004 Christian Limpach.
* 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 AUTHOR ``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 AUTHOR 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 _XEN_XBDVAR_H_
#define _XEN_XBDVAR_H_

#include <sys/rndsource.h>

struct xbd_softc {
       device_t                sc_dev;         /* base device glue */
       struct dk_softc         sc_dksc;        /* generic disk interface */
       unsigned long           sc_xd_device;   /* cookie identifying device */
       int                     sc_shutdown;    /* about to be removed */
       krndsource_t    sc_rnd_source;
};

struct xbd_attach_args {
       const char              *xa_device;
       vdisk_t                 *xa_xd;
       struct sysctlnode       *xa_diskcookies;
};

int xbd_scan(device_t, struct xbd_attach_args *, cfprint_t);
void xbd_suspend(void);
void xbd_resume(void);

#endif /* _XEN_XBDVAR_H_ */