/*

 * Portions Copyright 2008-2010 VMware, Inc.

 */

#ifndef _X86_64_CURRENT_H

#define _X86_64_CURRENT_H

#if !defined(__ASSEMBLY__) 

struct task_struct;

#include <asm/pda.h>

#if defined(__VMKLNX__)

#include <vmklinux_dist.h>

/**                                          

 *  get_current - Gets current task pointer for the current world. 

 *

 *  Gets current task pointer for the current world. 

 *

 *  RETURN VALUE:

 *  Pointer to the task struct of the running process.

 */                                          

/* _VMKLNX_CODECHECK_: get_current */

static inline struct task_struct *get_current(void) 

{ 

	return vmklnx_GetCurrent();

} 

#else /* !defined(__VMKLNX__) */

static inline struct task_struct *get_current(void) 

{ 

	struct task_struct *t = read_pda(pcurrent); 

	return t;

} 

#endif /* defined(__VMKLNX__) */

/**                                          

 *  current - Get current task pointer of current task       

 *                                           

 *  Returns a pointer to the task struct of the running task

 *                                           

 *  SYNOPSIS:

 *     #define current

 *                                           

 *  RETURN VALUE:                     

 *  Pointer to current task of type task_struct  

 *                                           

 */                                          

/* If the macro 'current' or its comments are changed please 

 * update the documentation for 'current' in vmkdrivers/src_92/doc/dummyDefs.doc

 */

#define current get_current()

#else

#ifndef ASM_OFFSET_H

#include <asm/asm-offsets.h> 

#endif

#define GET_CURRENT(reg) movq %gs:(pda_pcurrent),reg

#endif

#endif /* !(_X86_64_CURRENT_H) */