diff options
Diffstat (limited to 'usr/src/lib/libfakekernel/common/sys/cyclic.h')
| -rw-r--r-- | usr/src/lib/libfakekernel/common/sys/cyclic.h | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/usr/src/lib/libfakekernel/common/sys/cyclic.h b/usr/src/lib/libfakekernel/common/sys/cyclic.h new file mode 100644 index 0000000000..56589ae7f1 --- /dev/null +++ b/usr/src/lib/libfakekernel/common/sys/cyclic.h @@ -0,0 +1,87 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright 2008 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + * + * Copyright 2017 RackTop Systems. + */ + +#ifndef _SYS_CYCLIC_H +#define _SYS_CYCLIC_H + +#ifdef __cplusplus +extern "C" { +#endif + +#ifndef _ASM +#include <sys/time.h> +#endif /* !_ASM */ + +#define CY_LOW_LEVEL 0 +#define CY_LOCK_LEVEL 1 +#define CY_HIGH_LEVEL 2 +#define CY_SOFT_LEVELS 2 +#define CY_LEVELS 3 + +#ifndef _ASM + +typedef uintptr_t cyclic_id_t; +typedef int cyc_index_t; +typedef int cyc_cookie_t; +typedef uint16_t cyc_level_t; +typedef void (*cyc_func_t)(void *); +typedef void *cyb_arg_t; + +#define CYCLIC_NONE ((cyclic_id_t)0) + +typedef struct cyc_handler { + cyc_func_t cyh_func; + void *cyh_arg; + cyc_level_t cyh_level; +} cyc_handler_t; + +typedef struct cyc_time { + hrtime_t cyt_when; + hrtime_t cyt_interval; +} cyc_time_t; + +#define CY_INFINITY INT64_MAX + +#if defined(_KERNEL) || defined(_FAKE_KERNEL) + +extern cyclic_id_t cyclic_add(cyc_handler_t *, cyc_time_t *); +extern void cyclic_remove(cyclic_id_t); +extern int cyclic_reprogram(cyclic_id_t, hrtime_t); +extern hrtime_t cyclic_getres(); + +extern void cyclic_suspend(); +extern void cyclic_resume(); + +#endif /* _KERNEL || _FAKE_KERNEL */ + +#endif /* !_ASM */ + +#ifdef __cplusplus +} +#endif + +#endif /* _SYS_CYCLIC_H */ |