xref: /onnv-gate/usr/src/uts/sun4/sys/x_call.h (revision 0:68f95e015346)
1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate  * CDDL HEADER START
3*0Sstevel@tonic-gate  *
4*0Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
7*0Sstevel@tonic-gate  * with the License.
8*0Sstevel@tonic-gate  *
9*0Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate  * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate  * and limitations under the License.
13*0Sstevel@tonic-gate  *
14*0Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate  *
20*0Sstevel@tonic-gate  * CDDL HEADER END
21*0Sstevel@tonic-gate  */
22*0Sstevel@tonic-gate /*
23*0Sstevel@tonic-gate  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
24*0Sstevel@tonic-gate  * Use is subject to license terms.
25*0Sstevel@tonic-gate  */
26*0Sstevel@tonic-gate 
27*0Sstevel@tonic-gate #ifndef	_SYS_X_CALL_H
28*0Sstevel@tonic-gate #define	_SYS_X_CALL_H
29*0Sstevel@tonic-gate 
30*0Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
31*0Sstevel@tonic-gate 
32*0Sstevel@tonic-gate #ifdef	__cplusplus
33*0Sstevel@tonic-gate extern "C" {
34*0Sstevel@tonic-gate #endif
35*0Sstevel@tonic-gate 
36*0Sstevel@tonic-gate #define	XCALL_PIL 13	/* prom uses 14, and error handling uses 15 */
37*0Sstevel@tonic-gate 
38*0Sstevel@tonic-gate #ifndef _ASM
39*0Sstevel@tonic-gate 
40*0Sstevel@tonic-gate #include <sys/cpuvar.h>
41*0Sstevel@tonic-gate 
42*0Sstevel@tonic-gate #if defined(_KERNEL)
43*0Sstevel@tonic-gate 
44*0Sstevel@tonic-gate #if defined(_MACHDEP)
45*0Sstevel@tonic-gate #define	CPU_XCALL_READY(cpuid)			\
46*0Sstevel@tonic-gate 	(CPU_IN_SET(cpu_ready_set, (cpuid)))
47*0Sstevel@tonic-gate 
48*0Sstevel@tonic-gate extern cpuset_t cpu_ready_set;	/* cpus ready for x-calls */
49*0Sstevel@tonic-gate #endif /* _MACHDEP */
50*0Sstevel@tonic-gate 
51*0Sstevel@tonic-gate /*
52*0Sstevel@tonic-gate  * Cross-call function prototype.
53*0Sstevel@tonic-gate  */
54*0Sstevel@tonic-gate typedef void xcfunc_t(uint64_t, uint64_t);
55*0Sstevel@tonic-gate 
56*0Sstevel@tonic-gate /*
57*0Sstevel@tonic-gate  * Cross-call routines.
58*0Sstevel@tonic-gate  */
59*0Sstevel@tonic-gate extern void xt_one(int, xcfunc_t *, uint64_t, uint64_t);
60*0Sstevel@tonic-gate extern void xt_one_unchecked(int, xcfunc_t *, uint64_t, uint64_t);
61*0Sstevel@tonic-gate extern void xt_all(xcfunc_t *, uint64_t, uint64_t);
62*0Sstevel@tonic-gate extern void xc_one(int, xcfunc_t *, uint64_t, uint64_t);
63*0Sstevel@tonic-gate extern void xc_init(void);
64*0Sstevel@tonic-gate extern void xc_all(xcfunc_t *, uint64_t, uint64_t);
65*0Sstevel@tonic-gate extern void xt_sync_tl1(uint64_t *);
66*0Sstevel@tonic-gate extern void idle_stop_xcall(void);
67*0Sstevel@tonic-gate 
68*0Sstevel@tonic-gate #if defined(_MACHDEP)
69*0Sstevel@tonic-gate extern void xt_some(cpuset_t, xcfunc_t *, uint64_t, uint64_t);
70*0Sstevel@tonic-gate extern void xt_sync(cpuset_t);
71*0Sstevel@tonic-gate extern void xc_attention(cpuset_t);
72*0Sstevel@tonic-gate extern void xc_dismissed(cpuset_t);
73*0Sstevel@tonic-gate extern void xc_some(cpuset_t, xcfunc_t *, uint64_t, uint64_t);
74*0Sstevel@tonic-gate #endif
75*0Sstevel@tonic-gate 
76*0Sstevel@tonic-gate #endif	/* _KERNEL */
77*0Sstevel@tonic-gate 
78*0Sstevel@tonic-gate #endif	/* !_ASM */
79*0Sstevel@tonic-gate 
80*0Sstevel@tonic-gate #ifdef	__cplusplus
81*0Sstevel@tonic-gate }
82*0Sstevel@tonic-gate #endif
83*0Sstevel@tonic-gate 
84*0Sstevel@tonic-gate #endif	/* _SYS_X_CALL_H */
85