xref: /illumos-gate/usr/src/uts/common/sys/fsspriocntl.h (revision 7c478bd9)

/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License, Version 1.0 only
 * (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 (c) 2001 by Sun Microsystems, Inc.
 * All rights reserved.
 */

#ifndef	_SYS_FSSPRIOCNTL_H
#define	_SYS_FSSPRIOCNTL_H

#pragma ident	"%Z%%M%	%I%	%E% SMI"

#include <sys/types.h>
#include <sys/fss.h>

#ifdef	__cplusplus
extern "C" {
#endif

/*
 * Fair-share class specific structures for the priocntl system call.
 */
typedef struct fssparms {
	pri_t		fss_uprilim;	/* user priority limit */
	pri_t		fss_upri;	/* user priority */
} fssparms_t;

typedef struct fssinfo {
	pri_t	fss_maxupri;	/* configured limit on user priority range */
} fssinfo_t;

#define	FSS_NOCHANGE	-32768

/*
 * Fair-sharing class specific keys for the priocntl system call varargs
 * interface.
 */
#define	FSS_KY_UPRILIM	1	/* user priority limit */
#define	FSS_KY_UPRI	2	/* user priority */

/*
 * The following is used by the dispadmin(1M) command for scheduler
 * administration and is not for general use.
 */
typedef struct fssadmin {
	short	fss_quantum;
	short	fss_cmd;
} fssadmin_t;

#define	FSS_GETADMIN	1
#define	FSS_SETADMIN	2

#ifdef	__cplusplus
}
#endif

#endif	/* _SYS_FSSPRIOCNTL_H */