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/* $Id: prio.h,v 1.1.1.1 2004-04-15 02:42:46 phoenix Exp $

 *

 * This file is subject to the terms and conditions of the GNU General Public

 * License.  See the file "COPYING" in the main directory of this archive

 * for more details.

 *

 * Copyright (C) 1992 - 1997, 2000-2003 Silicon Graphics, Inc. All rights reserved.

 */

#ifndef _ASM_IA64_SN_PRIO_H

#define _ASM_IA64_SN_PRIO_H

#include <linux/types.h>

/*

 * Priority I/O function prototypes and macro definitions

 */

typedef long long bandwidth_t;

/* These should be the same as FREAD/FWRITE */

#define PRIO_READ_ALLOCATE      0x1

#define PRIO_WRITE_ALLOCATE     0x2

#define PRIO_READWRITE_ALLOCATE (PRIO_READ_ALLOCATE | PRIO_WRITE_ALLOCATE)

extern int prioSetBandwidth (int                /* fd */,

                             int                /* alloc_type */,

                             bandwidth_t        /* bytes_per_sec */,

                             pid_t *            /* pid */);

extern int prioGetBandwidth (int                /* fd */,

                             bandwidth_t *      /* read_bw */,

                             bandwidth_t *      /* write_bw */);

extern int prioLock (pid_t *);

extern int prioUnlock (void);

/* Error returns */

#define PRIO_SUCCESS     0

#define PRIO_FAIL       (-1) 

#endif /* _ASM_IA64_SN_PRIO_H */