/* s390_dump.c - core analysis suite

 *

 * Copyright (C) 2001, 2002 Mission Critical Linux, Inc.

 * Copyright (C) 2002, 2003, 2004, 2005, 2006 David Anderson

 * Copyright (C) 2002, 2003, 2004, 2005, 2006 Red Hat, Inc. All rights reserved.

 * Copyright (C) 2005 Michael Holzheu, IBM Corporation

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License as published by

 * the Free Software Foundation; either version 2 of the License, or

 * (at your option) any later version.

 *

 * 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.

 */

#include "defs.h"

//#include <asm/page.h>

#include "ibm_common.h"

static FILE * s390_file;

int 

is_s390_dump(char *file) 

{

	FILE* fh;

	long long int magic;

	size_t items ATTRIBUTE_UNUSED;

	int rc;

	fh = fopen(file,"r");

	if (fh == NULL) {

		error(INFO, "is_s390_dump: cannot open %s: %s\n", file);

		return FALSE;

	}

	items = fread(&magic, sizeof(magic), 1,fh);

	if(magic == 0xa8190173618f23fdLL)

		rc = TRUE;

	else

		rc = FALSE;

	fclose(fh);

	return rc;

}

FILE*

s390_dump_init(char *file)

{

        if ((s390_file = fopen(file, "r+")) == NULL) {

		if ((s390_file = fopen(file, "r")) == NULL)

			return NULL;

	}

	return s390_file;

}

int

read_s390_dumpfile(int fd, void *bufptr, int cnt, ulong addr, physaddr_t paddr)

{

	paddr += S390_DUMP_HEADER_SIZE;

        if (fseek(s390_file, (ulong)paddr, SEEK_SET) != 0) 

		return SEEK_ERROR;

        if (fread(bufptr, 1 , cnt, s390_file) != cnt) 

		return READ_ERROR;

	return 0;

}

int

write_s390_dumpfile(int fd, void *bufptr, int cnt, ulong addr, physaddr_t paddr)

{

	return WRITE_ERROR;

}

#define S390_PAGE_SHIFT   12

#define S390_PAGE_SIZE    (1UL << S390_PAGE_SHIFT)

uint

s390_page_size(void)

{

	return S390_PAGE_SIZE;

}

int 

s390_memory_used(void)

{

	return 0;

}

int 

s390_free_memory(void)

{

	return 0;

}

int 

s390_memory_dump(FILE *fp)

{

	return 0;

}

ulong 

get_s390_panic_task(void)

{

	return BADVAL;

}

void 

get_s390_panicmsg(char *buf)

{

	return;

}