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- /*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
- *
- * @APPLE_LICENSE_HEADER_START@
- *
- * The contents of this file constitute Original Code as defined in and
- * are subject to the Apple Public Source License Version 1.1 (the
- * "License"). You may not use this file except in compliance with the
- * License. Please obtain a copy of the License at
- * http://www.apple.com/publicsource and read it before using this file.
- *
- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
- * License for the specific language governing rights and limitations
- * under the License.
- *
- * @APPLE_LICENSE_HEADER_END@
- */
- /*
- * @OSF_COPYRIGHT@
- */
- /*
- * Mach Operating System
- * Copyright (c) 1991,1990,1989,1988 Carnegie Mellon University
- * All Rights Reserved.
- *
- * Permission to use, copy, modify and distribute this software and its
- * documentation is hereby granted, provided that both the copyright
- * notice and this permission notice appear in all copies of the
- * software, derivative works or modified versions, and any portions
- * thereof, and that both notices appear in supporting documentation.
- *
- * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
- * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
- * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
- *
- * Carnegie Mellon requests users of this software to return to
- *
- * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
- * School of Computer Science
- * Carnegie Mellon University
- * Pittsburgh PA 15213-3890
- *
- * any improvements or extensions that they make and grant Carnegie Mellon
- * the rights to redistribute these changes.
- */
- /*
- */
-
- #ifndef _MACH_POLICY_H_
- #define _MACH_POLICY_H_
-
- /*
- * mach/policy.h
- *
- * Definitions for scheduing policy.
- *
- * N.B. The interfaces defined here are all obsolete!!
- */
-
- #include <mach/boolean.h>
- #include <mach/vm_types.h>
-
- /*
- * Policy definitions. Policies should be powers of 2,
- * but cannot be or'd together other than to test for a
- * policy 'class'.
- */
- #define POLICY_NULL 0 /* none */
- #define POLICY_TIMESHARE 1 /* timesharing */
- #define POLICY_RR 2 /* fixed round robin */
- #define POLICY_FIFO 4 /* fixed fifo */
-
- #define __NEW_SCHEDULING_FRAMEWORK__
-
- /*
- * Check if policy is of 'class' fixed-priority.
- */
- #define POLICYCLASS_FIXEDPRI (POLICY_RR | POLICY_FIFO)
-
- /*
- * Check if policy is valid.
- */
- #define invalid_policy(policy) \
- ((policy) != POLICY_TIMESHARE && \
- (policy) != POLICY_RR && \
- (policy) != POLICY_FIFO)
-
-
- /*
- * New scheduling control interface
- */
- typedef int policy_t;
- typedef integer_t *policy_info_t;
- typedef integer_t *policy_base_t;
- typedef integer_t *policy_limit_t;
-
-
- /*
- * Types for TIMESHARE policy
- */
- struct policy_timeshare_base {
- integer_t base_priority;
- };
- struct policy_timeshare_limit {
- integer_t max_priority;
- };
- struct policy_timeshare_info {
- integer_t max_priority;
- integer_t base_priority;
- integer_t cur_priority;
- boolean_t depressed;
- integer_t depress_priority;
- };
-
- typedef struct policy_timeshare_base *policy_timeshare_base_t;
- typedef struct policy_timeshare_limit *policy_timeshare_limit_t;
- typedef struct policy_timeshare_info *policy_timeshare_info_t;
-
- typedef struct policy_timeshare_base policy_timeshare_base_data_t;
- typedef struct policy_timeshare_limit policy_timeshare_limit_data_t;
- typedef struct policy_timeshare_info policy_timeshare_info_data_t;
-
-
- #define POLICY_TIMESHARE_BASE_COUNT \
- (sizeof(struct policy_timeshare_base)/sizeof(integer_t))
- #define POLICY_TIMESHARE_LIMIT_COUNT \
- (sizeof(struct policy_timeshare_limit)/sizeof(integer_t))
- #define POLICY_TIMESHARE_INFO_COUNT \
- (sizeof(struct policy_timeshare_info)/sizeof(integer_t))
-
-
- /*
- * Types for the ROUND ROBIN (RR) policy
- */
- struct policy_rr_base {
- integer_t base_priority;
- integer_t quantum;
- };
- struct policy_rr_limit {
- integer_t max_priority;
- };
- struct policy_rr_info {
- integer_t max_priority;
- integer_t base_priority;
- integer_t quantum;
- boolean_t depressed;
- integer_t depress_priority;
- };
-
- typedef struct policy_rr_base *policy_rr_base_t;
- typedef struct policy_rr_limit *policy_rr_limit_t;
- typedef struct policy_rr_info *policy_rr_info_t;
-
- typedef struct policy_rr_base policy_rr_base_data_t;
- typedef struct policy_rr_limit policy_rr_limit_data_t;
- typedef struct policy_rr_info policy_rr_info_data_t;
-
- #define POLICY_RR_BASE_COUNT \
- (sizeof(struct policy_rr_base)/sizeof(integer_t))
- #define POLICY_RR_LIMIT_COUNT \
- (sizeof(struct policy_rr_limit)/sizeof(integer_t))
- #define POLICY_RR_INFO_COUNT \
- (sizeof(struct policy_rr_info)/sizeof(integer_t))
-
-
- /*
- * Types for the FIRST-IN-FIRST-OUT (FIFO) policy
- */
- struct policy_fifo_base {
- integer_t base_priority;
- };
- struct policy_fifo_limit {
- integer_t max_priority;
- };
- struct policy_fifo_info {
- integer_t max_priority;
- integer_t base_priority;
- boolean_t depressed;
- integer_t depress_priority;
- };
-
- typedef struct policy_fifo_base *policy_fifo_base_t;
- typedef struct policy_fifo_limit *policy_fifo_limit_t;
- typedef struct policy_fifo_info *policy_fifo_info_t;
-
- typedef struct policy_fifo_base policy_fifo_base_data_t;
- typedef struct policy_fifo_limit policy_fifo_limit_data_t;
- typedef struct policy_fifo_info policy_fifo_info_data_t;
-
- #define POLICY_FIFO_BASE_COUNT \
- (sizeof(struct policy_fifo_base)/sizeof(integer_t))
- #define POLICY_FIFO_LIMIT_COUNT \
- (sizeof(struct policy_fifo_limit)/sizeof(integer_t))
- #define POLICY_FIFO_INFO_COUNT \
- (sizeof(struct policy_fifo_info)/sizeof(integer_t))
-
- /*
- * Aggregate policy types
- */
-
- struct policy_bases {
- policy_timeshare_base_data_t ts;
- policy_rr_base_data_t rr;
- policy_fifo_base_data_t fifo;
- };
-
- struct policy_limits {
- policy_timeshare_limit_data_t ts;
- policy_rr_limit_data_t rr;
- policy_fifo_limit_data_t fifo;
- };
-
- struct policy_infos {
- policy_timeshare_info_data_t ts;
- policy_rr_info_data_t rr;
- policy_fifo_info_data_t fifo;
- };
-
- typedef struct policy_bases policy_base_data_t;
- typedef struct policy_limits policy_limit_data_t;
- typedef struct policy_infos policy_info_data_t;
-
- #endif /* _MACH_POLICY_H_ */
-