/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License, Version 1.0 only
 * (the "License").  You may not use this file except in compliance
 * with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */
/*
 * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

#ifndef	_SYS_X_CALL_H
#define	_SYS_X_CALL_H

#pragma ident	"%Z%%M%	%I%	%E% SMI"

#ifdef	__cplusplus
extern "C" {
#endif

#define	XCALL_PIL 13	/* prom uses 14, and error handling uses 15 */

#ifndef _ASM

#include <sys/cpuvar.h>

#if defined(_KERNEL)

#if defined(_MACHDEP)
#define	CPU_XCALL_READY(cpuid)			\
	(CPU_IN_SET(cpu_ready_set, (cpuid)))

extern cpuset_t cpu_ready_set;	/* cpus ready for x-calls */
#endif /* _MACHDEP */

/*
 * Cross-call function prototype.
 */
typedef void xcfunc_t(uint64_t, uint64_t);

/*
 * Cross-call routines.
 */
extern void xt_one(int, xcfunc_t *, uint64_t, uint64_t);
extern void xt_one_unchecked(int, xcfunc_t *, uint64_t, uint64_t);
extern void xt_all(xcfunc_t *, uint64_t, uint64_t);
extern void xc_one(int, xcfunc_t *, uint64_t, uint64_t);
extern void xc_init(void);
extern void xc_all(xcfunc_t *, uint64_t, uint64_t);
extern void xt_sync_tl1(uint64_t *);
extern void idle_stop_xcall(void);

#if defined(_MACHDEP)
extern void xt_some(cpuset_t, xcfunc_t *, uint64_t, uint64_t);
extern void xt_sync(cpuset_t);
extern void xc_attention(cpuset_t);
extern void xc_dismissed(cpuset_t);
extern void xc_some(cpuset_t, xcfunc_t *, uint64_t, uint64_t);
#endif

#endif	/* _KERNEL */

#endif	/* !_ASM */

#ifdef	__cplusplus
}
#endif

#endif	/* _SYS_X_CALL_H */