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 (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 /* 22 * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 #ifndef _SYS_CYCLIC_H 27 #define _SYS_CYCLIC_H 28 29 #ifdef __cplusplus 30 extern "C" { 31 #endif 32 33 #ifndef _ASM 34 #include <sys/time.h> 35 #include <sys/cpuvar.h> 36 #include <sys/cpupart.h> 37 #endif /* !_ASM */ 38 39 #define CY_LOW_LEVEL 0 40 #define CY_LOCK_LEVEL 1 41 #define CY_HIGH_LEVEL 2 42 #define CY_SOFT_LEVELS 2 43 #define CY_LEVELS 3 44 45 #ifndef _ASM 46 47 typedef uintptr_t cyclic_id_t; 48 typedef int cyc_index_t; 49 typedef int cyc_cookie_t; 50 typedef uint16_t cyc_level_t; 51 typedef void (*cyc_func_t)(void *); 52 typedef void *cyb_arg_t; 53 54 #define CYCLIC_NONE ((cyclic_id_t)0) 55 56 typedef struct cyc_handler { 57 cyc_func_t cyh_func; 58 void *cyh_arg; 59 cyc_level_t cyh_level; 60 } cyc_handler_t; 61 62 typedef struct cyc_time { 63 hrtime_t cyt_when; 64 hrtime_t cyt_interval; 65 } cyc_time_t; 66 67 typedef struct cyc_omni_handler { 68 void (*cyo_online)(void *, cpu_t *, cyc_handler_t *, cyc_time_t *); 69 void (*cyo_offline)(void *, cpu_t *, void *); 70 void *cyo_arg; 71 } cyc_omni_handler_t; 72 73 #define CY_INFINITY INT64_MAX 74 75 #ifdef _KERNEL 76 77 extern cyclic_id_t cyclic_add(cyc_handler_t *, cyc_time_t *); 78 extern cyclic_id_t cyclic_add_omni(cyc_omni_handler_t *); 79 extern void cyclic_remove(cyclic_id_t); 80 extern void cyclic_bind(cyclic_id_t, cpu_t *, cpupart_t *); 81 extern int cyclic_reprogram(cyclic_id_t, hrtime_t); 82 extern hrtime_t cyclic_getres(); 83 84 extern int cyclic_offline(cpu_t *cpu); 85 extern void cyclic_online(cpu_t *cpu); 86 extern int cyclic_juggle(cpu_t *cpu); 87 extern void cyclic_move_in(cpu_t *); 88 extern int cyclic_move_out(cpu_t *); 89 extern void cyclic_suspend(); 90 extern void cyclic_resume(); 91 92 extern void cyclic_fire(cpu_t *cpu); 93 extern void cyclic_softint(cpu_t *cpu, cyc_level_t level); 94 95 #endif /* _KERNEL */ 96 97 #endif /* !_ASM */ 98 99 #ifdef __cplusplus 100 } 101 #endif 102 103 #endif /* _SYS_CYCLIC_H */ 104