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      1 /*
      2  * CDDL HEADER START
      3  *
      4  * The contents of this file are subject to the terms of the
      5  * Common Development and Distribution License, Version 1.0 only
      6  * (the "License").  You may not use this file except in compliance
      7  * with the License.
      8  *
      9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
     10  * or http://www.opensolaris.org/os/licensing.
     11  * See the License for the specific language governing permissions
     12  * and limitations under the License.
     13  *
     14  * When distributing Covered Code, include this CDDL HEADER in each
     15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
     16  * If applicable, add the following below this CDDL HEADER, with the
     17  * fields enclosed by brackets "[]" replaced with your own identifying
     18  * information: Portions Copyright [yyyy] [name of copyright owner]
     19  *
     20  * CDDL HEADER END
     21  */
     22 /*
     23  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
     24  * Use is subject to license terms.
     25  */
     26 
     27 #ifndef	_SYS_X_CALL_H
     28 #define	_SYS_X_CALL_H
     29 
     30 #pragma ident	"%Z%%M%	%I%	%E% SMI"
     31 
     32 #ifdef	__cplusplus
     33 extern "C" {
     34 #endif
     35 
     36 #define	XCALL_PIL 13	/* prom uses 14, and error handling uses 15 */
     37 
     38 #ifndef _ASM
     39 
     40 #include <sys/cpuvar.h>
     41 
     42 #if defined(_KERNEL)
     43 
     44 #if defined(_MACHDEP)
     45 #define	CPU_XCALL_READY(cpuid)			\
     46 	(CPU_IN_SET(cpu_ready_set, (cpuid)))
     47 
     48 extern cpuset_t cpu_ready_set;	/* cpus ready for x-calls */
     49 #endif /* _MACHDEP */
     50 
     51 /*
     52  * Cross-call function prototype.
     53  */
     54 typedef void xcfunc_t(uint64_t, uint64_t);
     55 
     56 /*
     57  * Cross-call routines.
     58  */
     59 extern void xt_one(int, xcfunc_t *, uint64_t, uint64_t);
     60 extern void xt_one_unchecked(int, xcfunc_t *, uint64_t, uint64_t);
     61 extern void xt_all(xcfunc_t *, uint64_t, uint64_t);
     62 extern void xc_one(int, xcfunc_t *, uint64_t, uint64_t);
     63 extern void xc_init(void);
     64 extern void xc_all(xcfunc_t *, uint64_t, uint64_t);
     65 extern void xt_sync_tl1(uint64_t *);
     66 extern void idle_stop_xcall(void);
     67 
     68 #if defined(_MACHDEP)
     69 extern void xt_some(cpuset_t, xcfunc_t *, uint64_t, uint64_t);
     70 extern void xt_sync(cpuset_t);
     71 extern void xc_attention(cpuset_t);
     72 extern void xc_dismissed(cpuset_t);
     73 extern void xc_some(cpuset_t, xcfunc_t *, uint64_t, uint64_t);
     74 #endif
     75 
     76 #endif	/* _KERNEL */
     77 
     78 #endif	/* !_ASM */
     79 
     80 #ifdef	__cplusplus
     81 }
     82 #endif
     83 
     84 #endif	/* _SYS_X_CALL_H */
     85