/*
 * Private include for xenbus communications.
 *
 * Copyright (C) 2005 Rusty Russell, IBM Corporation
 *
 * This file may be distributed separately from the Linux kernel, or
 * incorporated into other software packages, subject to the following license:
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this source file (the "Software"), to deal in the Software without
 * restriction, including without limitation the rights to use, copy, modify,
 * merge, publish, distribute, sublicense, and/or sell copies of the Software,
 * and to permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
 * IN THE SOFTWARE.
 */

/*
 * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

#ifndef	_SYS_XENBUS_COMMS_H
#define	_SYS_XENBUS_COMMS_H

#include <sys/sunddi.h>

#ifdef __cplusplus
extern "C" {
#endif

/* xenbus interface interrupt */
#define	IPL_XENBUS	0x01

void xs_early_init(void);
void xs_domu_init(void);
void xs_dom0_init(void);
void xb_suspend(void);
void xb_init(void);
void xb_setup_intr(void);

/* Low level routines. */
int xb_write(const void *data, unsigned len);
int xb_read(void *data, unsigned len);

ddi_umem_cookie_t xb_xenstore_cookie(void);

#ifdef __cplusplus
}
#endif

#endif /* _SYS_XENBUS_COMMS_H */