/* $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_ */