xref: /OK3568_Linux_fs/u-boot/fs/yaffs2/yaffs_getblockinfo.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  * YAFFS: Yet another Flash File System . A NAND-flash specific file system.
3*4882a593Smuzhiyun  *
4*4882a593Smuzhiyun  * Copyright (C) 2002-2011 Aleph One Ltd.
5*4882a593Smuzhiyun  *   for Toby Churchill Ltd and Brightstar Engineering
6*4882a593Smuzhiyun  *
7*4882a593Smuzhiyun  * Created by Charles Manning <charles@aleph1.co.uk>
8*4882a593Smuzhiyun  *
9*4882a593Smuzhiyun  * This program is free software; you can redistribute it and/or modify
10*4882a593Smuzhiyun  * it under the terms of the GNU Lesser General Public License version 2.1 as
11*4882a593Smuzhiyun  * published by the Free Software Foundation.
12*4882a593Smuzhiyun  *
13*4882a593Smuzhiyun  * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL.
14*4882a593Smuzhiyun  */
15*4882a593Smuzhiyun 
16*4882a593Smuzhiyun #ifndef __YAFFS_GETBLOCKINFO_H__
17*4882a593Smuzhiyun #define __YAFFS_GETBLOCKINFO_H__
18*4882a593Smuzhiyun 
19*4882a593Smuzhiyun #include "yaffs_guts.h"
20*4882a593Smuzhiyun #include "yaffs_trace.h"
21*4882a593Smuzhiyun 
22*4882a593Smuzhiyun /* Function to manipulate block info */
yaffs_get_block_info(struct yaffs_dev * dev,int blk)23*4882a593Smuzhiyun static inline struct yaffs_block_info *yaffs_get_block_info(struct yaffs_dev
24*4882a593Smuzhiyun 							      *dev, int blk)
25*4882a593Smuzhiyun {
26*4882a593Smuzhiyun 	if (blk < dev->internal_start_block || blk > dev->internal_end_block) {
27*4882a593Smuzhiyun 		yaffs_trace(YAFFS_TRACE_ERROR,
28*4882a593Smuzhiyun 			"**>> yaffs: get_block_info block %d is not valid",
29*4882a593Smuzhiyun 			blk);
30*4882a593Smuzhiyun 		BUG();
31*4882a593Smuzhiyun 	}
32*4882a593Smuzhiyun 	return &dev->block_info[blk - dev->internal_start_block];
33*4882a593Smuzhiyun }
34*4882a593Smuzhiyun 
35*4882a593Smuzhiyun #endif
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