1/* $Id: prio.h,v 1.1.1.1 2008/10/15 03:29:03 james26_jang Exp $ 2 * 3 * This file is subject to the terms and conditions of the GNU General Public 4 * License. See the file "COPYING" in the main directory of this archive 5 * for more details. 6 * 7 * Copyright (C) 1992 - 1997, 2000-2002 Silicon Graphics, Inc. All rights reserved. 8 */ 9#ifndef _ASM_IA64_SN_PRIO_H 10#define _ASM_IA64_SN_PRIO_H 11 12#include <linux/types.h> 13 14/* 15 * Priority I/O function prototypes and macro definitions 16 */ 17 18typedef long long bandwidth_t; 19 20/* These should be the same as FREAD/FWRITE */ 21#define PRIO_READ_ALLOCATE 0x1 22#define PRIO_WRITE_ALLOCATE 0x2 23#define PRIO_READWRITE_ALLOCATE (PRIO_READ_ALLOCATE | PRIO_WRITE_ALLOCATE) 24 25extern int prioSetBandwidth (int /* fd */, 26 int /* alloc_type */, 27 bandwidth_t /* bytes_per_sec */, 28 pid_t * /* pid */); 29extern int prioGetBandwidth (int /* fd */, 30 bandwidth_t * /* read_bw */, 31 bandwidth_t * /* write_bw */); 32extern int prioLock (pid_t *); 33extern int prioUnlock (void); 34 35/* Error returns */ 36#define PRIO_SUCCESS 0 37#define PRIO_FAIL (-1) 38 39#endif /* _ASM_IA64_SN_PRIO_H */ 40