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/* $Id$
*
* 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 Silicon Graphics, Inc.
* Copyright (C) 2000 by Colin Ngam
*/
#ifndef _ASM_SN_PRIO_H
#define _ASM_SN_PRIO_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_SN_PRIO_H */
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