1/* 2 * YAFFS: Yet another Flash File System . A NAND-flash specific file system. 3 * 4 * Copyright (C) 2002-2010 Aleph One Ltd. 5 * for Toby Churchill Ltd and Brightstar Engineering 6 * 7 * Created by Charles Manning <charles@aleph1.co.uk> 8 * 9 * This program is free software; you can redistribute it and/or modify 10 * it under the terms of the GNU Lesser General Public License version 2.1 as 11 * published by the Free Software Foundation. 12 * 13 * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL. 14 */ 15 16 17#ifndef __YTRACE_H__ 18#define __YTRACE_H__ 19 20extern unsigned int yaffs_trace_mask; 21extern unsigned int yaffs_wr_attempts; 22 23/* 24 * Tracing flags. 25 * The flags masked in YAFFS_TRACE_ALWAYS are always traced. 26 */ 27 28#define YAFFS_TRACE_OS 0x00000002 29#define YAFFS_TRACE_ALLOCATE 0x00000004 30#define YAFFS_TRACE_SCAN 0x00000008 31#define YAFFS_TRACE_BAD_BLOCKS 0x00000010 32#define YAFFS_TRACE_ERASE 0x00000020 33#define YAFFS_TRACE_GC 0x00000040 34#define YAFFS_TRACE_WRITE 0x00000080 35#define YAFFS_TRACE_TRACING 0x00000100 36#define YAFFS_TRACE_DELETION 0x00000200 37#define YAFFS_TRACE_BUFFERS 0x00000400 38#define YAFFS_TRACE_NANDACCESS 0x00000800 39#define YAFFS_TRACE_GC_DETAIL 0x00001000 40#define YAFFS_TRACE_SCAN_DEBUG 0x00002000 41#define YAFFS_TRACE_MTD 0x00004000 42#define YAFFS_TRACE_CHECKPOINT 0x00008000 43 44#define YAFFS_TRACE_VERIFY 0x00010000 45#define YAFFS_TRACE_VERIFY_NAND 0x00020000 46#define YAFFS_TRACE_VERIFY_FULL 0x00040000 47#define YAFFS_TRACE_VERIFY_ALL 0x000F0000 48 49#define YAFFS_TRACE_SYNC 0x00100000 50#define YAFFS_TRACE_BACKGROUND 0x00200000 51#define YAFFS_TRACE_LOCK 0x00400000 52 53#define YAFFS_TRACE_ERROR 0x40000000 54#define YAFFS_TRACE_BUG 0x80000000 55#define YAFFS_TRACE_ALWAYS 0xF0000000 56 57 58#define T(mask, p) do { if ((mask) & (yaffs_trace_mask | YAFFS_TRACE_ALWAYS)) TOUT(p); } while (0) 59 60#endif 61