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/*
 * Copyright (c) 2006-2010 Trusted Logic S.A.
 * All Rights Reserved.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * version 2 as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 * MA 02111-1307 USA
 */
#ifndef __SCXLNX_UTIL_H__
#define __SCXLNX_UTIL_H__

#include <linux/spinlock.h>
#include <linux/errno.h>
#include <linux/init.h>
#include <linux/module.h>
#include <linux/mm.h>
#include <linux/crypto.h>
#include <linux/mount.h>
#include <linux/pagemap.h>
#include <linux/vmalloc.h>
#include <asm/byteorder.h>

#include "scx_protocol.h"
#include "scxlnx_defs.h"

/*----------------------------------------------------------------------------
 * Debug printing routines
 *----------------------------------------------------------------------------*/

#ifdef CONFIG_TF_DRIVER_DEBUG_SUPPORT

void addressCacheProperty(unsigned long va);

#define dprintk  printk

void SCXLNXDumpL1SharedBuffer(struct SCHANNEL_C1S_BUFFER *pBuf);

void SCXLNXDumpMessage(union SCX_COMMAND_MESSAGE *pMessage);

void SCXLNXDumpAnswer(union SCX_ANSWER_MESSAGE *pAnswer);

#ifdef CONFIG_BENCH_SECURE_CYCLE
void setupCounters(void);
void runBogoMIPS(void);
int runCodeSpeed(unsigned int nLoop);
int runDataSpeed(unsigned int nLoop, unsigned long nVA);
#endif /* CONFIG_BENCH_SECURE_CYCLE */

#else /* defined(CONFIG_TF_DRIVER_DEBUG_SUPPORT) */

#define dprintk(args...)  do { ; } while (0)
#define SCXLNXDumpL1SharedBuffer(pBuf)  ((void) 0)
#define SCXLNXDumpMessage(pMessage)  ((void) 0)
#define SCXLNXDumpAnswer(pAnswer)  ((void) 0)

#endif /* defined(CONFIG_TF_DRIVER_DEBUG_SUPPORT) */

#define SHA1_DIGEST_SIZE	20

/*----------------------------------------------------------------------------
 * Process identification
 *----------------------------------------------------------------------------*/

int SCXLNXConnGetCurrentProcessHash(void *pHash);

int SCXLNXConnHashApplicationPathAndData(char *pBuffer, void *pData,
	u32 nDataLen);

/*----------------------------------------------------------------------------
 * Statistic computation
 *----------------------------------------------------------------------------*/

void *internal_kmalloc(size_t nSize, int nPriority);
void internal_kfree(void *pMemory);
void internal_vunmap(void *pMemory);
void *internal_vmalloc(size_t nSize);
void internal_vfree(void *pMemory);
unsigned long internal_get_zeroed_page(int nPriority);
void internal_free_page(unsigned long pPage);
int internal_get_user_pages(
		struct task_struct *tsk,
		struct mm_struct *mm,
		unsigned long start,
		int len,
		int write,
		int force,
		struct page **pages,
		struct vm_area_struct **vmas);
void internal_get_page(struct page *page);
void internal_page_cache_release(struct page *page);
#endif  /* __SCXLNX_UTIL_H__ */