/*
 * Portions Copyright 2008 VMware, Inc.
 */
#ifndef _X8664_DELAY_H
#define _X8664_DELAY_H

/*
 * Copyright (C) 1993 Linus Torvalds
 *
 * Delay routines calling functions in arch/x86_64/lib/delay.c
 */
#if defined(__VMKLNX__)
#include "vmkapi.h"

#define udelay(n) vmk_DelayUsecs((vmk_uint32) (n))

#else /* !defined(__VMKLNX__) */
 
extern void __bad_udelay(void);
extern void __bad_ndelay(void);

extern void __udelay(unsigned long usecs);
extern void __ndelay(unsigned long usecs);
extern void __const_udelay(unsigned long usecs);
extern void __delay(unsigned long loops);

/**
 *  udelay - delay for n microseconds
 *  @n: number of microseconds to delay
 *
 *  SYNOPSIS:
 *      #define udelay(n)
 *
 *  RETURN VALUE:
 *  none
 *
 */
/* _VMKLNX_CODECHECK_: udelay */
#define udelay(n) (__builtin_constant_p(n) ? \
	((n) > 20000 ? __bad_udelay() : __const_udelay((n) * 0x10c6ul)) : \
	__udelay(n))

#define ndelay(n) (__builtin_constant_p(n) ? \
       ((n) > 20000 ? __bad_ndelay() : __const_udelay((n) * 5ul)) : \
       __ndelay(n))

#endif /* defined(__VMKLNX__) */

#endif /* defined(_X8664_DELAY_H) */