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 */ 27 28 #ifndef _SYS_CYCLIC_H 29 #define _SYS_CYCLIC_H 30 31 #ifdef __cplusplus 32 extern "C" { 33 #endif 34 35 #ifndef _ASM 36 #include <sys/time.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 #define CY_INFINITY INT64_MAX 68 69 #if defined(_KERNEL) || defined(_FAKE_KERNEL) 70 71 extern cyclic_id_t cyclic_add(cyc_handler_t *, cyc_time_t *); 72 extern void cyclic_remove(cyclic_id_t); 73 extern int cyclic_reprogram(cyclic_id_t, hrtime_t); 74 extern hrtime_t cyclic_getres(); 75 76 extern void cyclic_suspend(); 77 extern void cyclic_resume(); 78 79 #endif /* _KERNEL || _FAKE_KERNEL */ 80 81 #endif /* !_ASM */ 82 83 #ifdef __cplusplus 84 } 85 #endif 86 87 #endif /* _SYS_CYCLIC_H */ 88