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 * Copyright 2017 RackTop Systems. 26 * Copyright 2018 Joyent, Inc. 27 */ 28 29 #ifndef _SYS_CYCLIC_H 30 #define _SYS_CYCLIC_H 31 32 #ifdef __cplusplus 33 extern "C" { 34 #endif 35 36 #ifndef _ASM 37 #include <sys/time.h> 38 #include <sys/cpuvar.h> 39 #include <sys/cpupart.h> 40 #endif /* !_ASM */ 41 42 #define CY_LOW_LEVEL 0 43 #define CY_LOCK_LEVEL 1 44 #define CY_HIGH_LEVEL 2 45 #define CY_SOFT_LEVELS 2 46 #define CY_LEVELS 3 47 48 #ifndef _ASM 49 50 typedef uintptr_t cyclic_id_t; 51 typedef int cyc_index_t; 52 typedef int cyc_cookie_t; 53 typedef uint16_t cyc_level_t; 54 typedef void (*cyc_func_t)(void *); 55 typedef void *cyb_arg_t; 56 57 #define CYCLIC_NONE ((cyclic_id_t)0) 58 59 typedef struct cyc_handler { 60 cyc_func_t cyh_func; 61 void *cyh_arg; 62 cyc_level_t cyh_level; 63 } cyc_handler_t; 64 65 typedef struct cyc_time { 66 hrtime_t cyt_when; 67 hrtime_t cyt_interval; 68 } cyc_time_t; 69 70 typedef struct cyc_omni_handler { 71 void (*cyo_online)(void *, cpu_t *, cyc_handler_t *, cyc_time_t *); 72 void (*cyo_offline)(void *, cpu_t *, void *); 73 void *cyo_arg; 74 } cyc_omni_handler_t; 75 76 #define CY_INFINITY INT64_MAX 77 78 #if defined(_KERNEL) || defined(_FAKE_KERNEL) 79 80 extern cyclic_id_t cyclic_add(cyc_handler_t *, cyc_time_t *); 81 extern cyclic_id_t cyclic_add_omni(cyc_omni_handler_t *); 82 extern void cyclic_remove(cyclic_id_t); 83 extern void cyclic_bind(cyclic_id_t, cpu_t *, cpupart_t *); 84 extern int cyclic_reprogram(cyclic_id_t, hrtime_t); 85 extern void cyclic_move_here(cyclic_id_t); 86 extern hrtime_t cyclic_getres(); 87 88 extern int cyclic_offline(cpu_t *cpu); 89 extern void cyclic_online(cpu_t *cpu); 90 extern int cyclic_juggle(cpu_t *cpu); 91 extern void cyclic_move_in(cpu_t *); 92 extern int cyclic_move_out(cpu_t *); 93 extern void cyclic_suspend(); 94 extern void cyclic_resume(); 95 96 extern void cyclic_fire(cpu_t *cpu); 97 extern void cyclic_softint(cpu_t *cpu, cyc_level_t level); 98 99 #endif /* _KERNEL || _FAKE_KERNEL */ 100 101 #endif /* !_ASM */ 102 103 #ifdef __cplusplus 104 } 105 #endif 106 107 #endif /* _SYS_CYCLIC_H */ 108