1/* $NetBSD: xbdvar.h,v 1.13 2011/11/19 22:51:21 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 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 30#ifndef _XEN_XBDVAR_H_ 31#define _XEN_XBDVAR_H_ 32 33#include <sys/simplelock.h> 34 35struct xbd_softc { 36 device_t sc_dev; /* base device glue */ 37 struct dk_softc sc_dksc; /* generic disk interface */ 38 unsigned long sc_xd_device; /* cookie identifying device */ 39 struct dk_intf *sc_di; /* pseudo-disk interface */ 40 struct simplelock sc_slock; /* our lock */ 41 int sc_shutdown; /* about to be removed */ 42 krndsource_t sc_rnd_source; 43}; 44 45struct xbd_attach_args { 46 const char *xa_device; 47 vdisk_t *xa_xd; 48 struct dk_intf *xa_dkintf; 49 struct sysctlnode *xa_diskcookies; 50}; 51 52int xbd_scan(device_t, struct xbd_attach_args *, cfprint_t); 53void xbd_suspend(void); 54void xbd_resume(void); 55 56#endif /* _XEN_XBDVAR_H_ */ 57