xref: /onnv-gate/usr/src/uts/common/sys/cyclic.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 (c) 1999-2001 by Sun Microsystems, Inc.
24*0Sstevel@tonic-gate  * All rights reserved.
25*0Sstevel@tonic-gate  */
26*0Sstevel@tonic-gate 
27*0Sstevel@tonic-gate #ifndef _SYS_CYCLIC_H
28*0Sstevel@tonic-gate #define	_SYS_CYCLIC_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 #ifndef _ASM
37*0Sstevel@tonic-gate #include <sys/time.h>
38*0Sstevel@tonic-gate #include <sys/cpuvar.h>
39*0Sstevel@tonic-gate #include <sys/cpupart.h>
40*0Sstevel@tonic-gate #endif /* !_ASM */
41*0Sstevel@tonic-gate 
42*0Sstevel@tonic-gate #define	CY_LOW_LEVEL		0
43*0Sstevel@tonic-gate #define	CY_LOCK_LEVEL		1
44*0Sstevel@tonic-gate #define	CY_HIGH_LEVEL		2
45*0Sstevel@tonic-gate #define	CY_SOFT_LEVELS		2
46*0Sstevel@tonic-gate #define	CY_LEVELS		3
47*0Sstevel@tonic-gate 
48*0Sstevel@tonic-gate #ifndef _ASM
49*0Sstevel@tonic-gate 
50*0Sstevel@tonic-gate typedef uintptr_t cyclic_id_t;
51*0Sstevel@tonic-gate typedef int cyc_index_t;
52*0Sstevel@tonic-gate typedef int cyc_cookie_t;
53*0Sstevel@tonic-gate typedef uint16_t cyc_level_t;
54*0Sstevel@tonic-gate typedef void (*cyc_func_t)(void *);
55*0Sstevel@tonic-gate typedef void *cyb_arg_t;
56*0Sstevel@tonic-gate 
57*0Sstevel@tonic-gate #define	CYCLIC_NONE		((cyclic_id_t)0)
58*0Sstevel@tonic-gate 
59*0Sstevel@tonic-gate typedef struct cyc_handler {
60*0Sstevel@tonic-gate 	cyc_func_t cyh_func;
61*0Sstevel@tonic-gate 	void *cyh_arg;
62*0Sstevel@tonic-gate 	cyc_level_t cyh_level;
63*0Sstevel@tonic-gate } cyc_handler_t;
64*0Sstevel@tonic-gate 
65*0Sstevel@tonic-gate typedef struct cyc_time {
66*0Sstevel@tonic-gate 	hrtime_t cyt_when;
67*0Sstevel@tonic-gate 	hrtime_t cyt_interval;
68*0Sstevel@tonic-gate } cyc_time_t;
69*0Sstevel@tonic-gate 
70*0Sstevel@tonic-gate typedef struct cyc_omni_handler {
71*0Sstevel@tonic-gate 	void (*cyo_online)(void *, cpu_t *, cyc_handler_t *, cyc_time_t *);
72*0Sstevel@tonic-gate 	void (*cyo_offline)(void *, cpu_t *, void *);
73*0Sstevel@tonic-gate 	void *cyo_arg;
74*0Sstevel@tonic-gate } cyc_omni_handler_t;
75*0Sstevel@tonic-gate 
76*0Sstevel@tonic-gate #ifdef _KERNEL
77*0Sstevel@tonic-gate 
78*0Sstevel@tonic-gate extern cyclic_id_t cyclic_add(cyc_handler_t *, cyc_time_t *);
79*0Sstevel@tonic-gate extern cyclic_id_t cyclic_add_omni(cyc_omni_handler_t *);
80*0Sstevel@tonic-gate extern void cyclic_remove(cyclic_id_t);
81*0Sstevel@tonic-gate extern void cyclic_bind(cyclic_id_t, cpu_t *, cpupart_t *);
82*0Sstevel@tonic-gate extern hrtime_t cyclic_getres();
83*0Sstevel@tonic-gate 
84*0Sstevel@tonic-gate extern int cyclic_offline(cpu_t *cpu);
85*0Sstevel@tonic-gate extern void cyclic_online(cpu_t *cpu);
86*0Sstevel@tonic-gate extern int cyclic_juggle(cpu_t *cpu);
87*0Sstevel@tonic-gate extern void cyclic_move_in(cpu_t *);
88*0Sstevel@tonic-gate extern int cyclic_move_out(cpu_t *);
89*0Sstevel@tonic-gate extern void cyclic_suspend();
90*0Sstevel@tonic-gate extern void cyclic_resume();
91*0Sstevel@tonic-gate 
92*0Sstevel@tonic-gate extern void cyclic_fire(cpu_t *cpu);
93*0Sstevel@tonic-gate extern void cyclic_softint(cpu_t *cpu, cyc_level_t level);
94*0Sstevel@tonic-gate 
95*0Sstevel@tonic-gate #endif /* _KERNEL */
96*0Sstevel@tonic-gate 
97*0Sstevel@tonic-gate #endif /* !_ASM */
98*0Sstevel@tonic-gate 
99*0Sstevel@tonic-gate #ifdef	__cplusplus
100*0Sstevel@tonic-gate }
101*0Sstevel@tonic-gate #endif
102*0Sstevel@tonic-gate 
103*0Sstevel@tonic-gate #endif /* _SYS_CYCLIC_H */
104