/*
- * YAFFS: Yet another FFS. A NAND-flash specific file system.
- * yportenv.h: Portable services used by yaffs. This is done to allow
- * simple migration from kernel space into app space for testing.
+ * YAFFS: Yet another Flash File System . A NAND-flash specific file system.
*
- * Copyright (C) 2002 Aleph One Ltd.
+ * Copyright (C) 2002-2007 Aleph One Ltd.
* for Toby Churchill Ltd and Brightstar Engineering
*
* Created by Charles Manning <charles@aleph1.co.uk>
* it under the terms of the GNU Lesser General Public License version 2.1 as
* published by the Free Software Foundation.
*
- *
* Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL.
- *
- * $Id: yportenv.h,v 1.2 2004-11-03 08:35:48 charles Exp $
- *
*/
-
-#ifndef __YPORTENV_H__
-#define __YPORTENV_H__
-#if defined CONFIG_YAFFS_WINCE
-
-// CONFIG_YAFFS_WINCE
-#include "stdlib.h"
-#include "stdio.h"
-#include "string.h"
+#ifndef __YPORTENV_H__
+#define __YPORTENV_H__
-#define Y_INLINE
+/*
+ * Define the MTD version in terms of Linux Kernel versions
+ * This allows yaffs to be used independantly of the kernel
+ * as well as with it.
+ */
-#define CONFIG_YAFFS_CASE_INSENSITIVE
-#define CONFIG_YAFFS_UNICODE
+#define MTD_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))
-#define YMALLOC(x) malloc(x)
-#define YFREE(x) free(x)
+#if defined CONFIG_YAFFS_WINCE
+#include "ywinceenv.h"
-#define YINFO(s) YPRINTF(( __FILE__ " %d %s\n",__LINE__,s))
-#define YALERT(s) YINFO(s)
+#elif defined __KERNEL__
-#include <windows.h>
+#include "moduleconfig.h"
-#define YPRINTF(x) RETAILMSG(1,x)
+/* Linux kernel */
-// Always pass the sum compare to overcome the case insensitivity issue
-#define yaffs_SumCompare(x,y) ((x) == (y))
+#include <linux/version.h>
+#define MTD_VERSION_CODE LINUX_VERSION_CODE
-#ifdef CONFIG_YAFFS_UNICODE
-#define YCHAR WCHAR
-#define YUCHAR WCHAR
-#define _Y(a) L##a
-#define yaffs_toupper(a) towupper(a)
-#define yaffs_strcmp(a,b) _wcsicmp(a,b)
-#define yaffs_strcpy(a,b) wcscpy(a,b)
-#define yaffs_strncpy(a,b,c) wcsncpy(a,b,c)
-#define yaffs_strlen(s) wcslen(s)
-#define yaffs_sprintf swprintf
-#else
-#define YCHAR CHAR
-#define YUCHAR UCHAR
-#define _Y(a) a
-#define yaffs_toupper(a) toupper(a)
-#define yaffs_strcmp(a,b) _stricmp(a,b)
-#define yaffs_strcpy(a,b) strcpy(a,b)
-#define yaffs_strncpy(a,b,c) strncpy(a,b,c)
-#define yaffs_strlen(s) strlen(s)
-#define yaffs_sprintf sprintf
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19))
+#include <linux/config.h>
#endif
+#include <linux/kernel.h>
+#include <linux/mm.h>
+#include <linux/sched.h>
+#include <linux/string.h>
+#include <linux/slab.h>
+#include <linux/vmalloc.h>
-#define YAFFS_LOSTNFOUND_NAME _Y("Lost Clusters")
-#define YAFFS_LOSTNFOUND_PREFIX _Y("OBJ")
-
-
-#define u_char unsigned char
-#define loff_t int
-#define S_IFDIR 04000
-
-#define S_ISFIFO(x) 0
-#define S_ISCHR(x) 0
-#define S_ISBLK(x) 0
-#define S_ISSOCK(x) 0
-
-extern unsigned yfsd_U32FileTimeNow(void);
-
-#define CURRENT_TIME yfsd_U32FileTimeNow()
-#define YAFFS_ROOT_MODE FILE_ATTRIBUTE_ARCHIVE
-#define YAFFS_LOSTNFOUND_MODE FILE_ATTRIBUTE_HIDDEN
-
-
-#define TENDSTR L"\r\n"
-#define TSTR(x) TEXT(x)
-#define TOUT(x) RETAILMSG(1, x)
-
-
-#elif defined __KERNEL__
-
-
-
-// Linux kernel
-#include "linux/kernel.h"
-#include "linux/mm.h"
-#include "linux/string.h"
-#include "linux/slab.h"
-
-#define Y_INLINE
+#define YCHAR char
+#define YUCHAR unsigned char
+#define _Y(x) x
+#define yaffs_strcat(a,b) strcat(a,b)
+#define yaffs_strcpy(a,b) strcpy(a,b)
+#define yaffs_strncpy(a,b,c) strncpy(a,b,c)
+#define yaffs_strncmp(a,b,c) strncmp(a,b,c)
+#define yaffs_strlen(s) strlen(s)
+#define yaffs_sprintf sprintf
+#define yaffs_toupper(a) toupper(a)
+#define Y_INLINE inline
#define YAFFS_LOSTNFOUND_NAME "lost+found"
#define YAFFS_LOSTNFOUND_PREFIX "obj"
-//#define YPRINTF(x) printk x
-#define YMALLOC(x) kmalloc(x,GFP_KERNEL)
+/* #define YPRINTF(x) printk x */
+#define YMALLOC(x) kmalloc(x,GFP_NOFS)
#define YFREE(x) kfree(x)
+#define YMALLOC_ALT(x) vmalloc(x)
+#define YFREE_ALT(x) vfree(x)
+#define YMALLOC_DMA(x) YMALLOC(x)
-#define YAFFS_ROOT_MODE 0666
+// KR - added for use in scan so processes aren't blocked indefinitely.
+#define YYIELD() schedule()
+
+#define YAFFS_ROOT_MODE 0666
#define YAFFS_LOSTNFOUND_MODE 0666
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
+#define Y_CURRENT_TIME CURRENT_TIME.tv_sec
+#define Y_TIME_CONVERT(x) (x).tv_sec
+#else
+#define Y_CURRENT_TIME CURRENT_TIME
+#define Y_TIME_CONVERT(x) (x)
+#endif
#define yaffs_SumCompare(x,y) ((x) == (y))
-#define YCHAR char
-#define YUCHAR unsigned char
-#define _Y(a) a
-#define yaffs_toupper(a) toupper(a)
-#define yaffs_strcmp(a,b) strcmp(a,b)
-#define yaffs_strcpy(a,b) strcpy(a,b)
-#define yaffs_strncpy(a,b,c) strncpy(a,b,c)
-#define yaffs_strlen(s) strlen(s)
-#define yaffs_sprintf sprintf
+#define yaffs_strcmp(a,b) strcmp(a,b)
#define TENDSTR "\n"
-#define TSTR(x) KERN_DEBUG x
+#define TSTR(x) KERN_WARNING x
+#define TCONT(x) x
#define TOUT(p) printk p
+#define yaffs_trace(mask, fmt, args...) \
+ do { if ((mask) & (yaffs_traceMask|YAFFS_TRACE_ERROR)) \
+ printk(KERN_WARNING "yaffs: " fmt, ## args); \
+ } while (0)
-#elif defined CONFIG_YAFFS_DIRECT
+#define compile_time_assertion(assertion) \
+ ({ int x = __builtin_choose_expr(assertion, 0, (void)0); (void) x; })
-// Direct interface
-
-#include "stdlib.h"
-#include "stdio.h"
-#include "string.h"
-
-#define Y_INLINE
-
-#define YMALLOC(x) malloc(x)
-#define YFREE(x) free(x)
-
-
-//#define YINFO(s) YPRINTF(( __FILE__ " %d %s\n",__LINE__,s))
-//#define YALERT(s) YINFO(s)
-
-
-#define TENDSTR "\n"
-#define TSTR(x) x
-#define TOUT(p) printf p
-
-
-#define YAFFS_LOSTNFOUND_NAME "lost+found"
-#define YAFFS_LOSTNFOUND_PREFIX "obj"
-//#define YPRINTF(x) printf x
-
-#include "yaffscfg.h"
+#elif defined CONFIG_YAFFS_DIRECT
-#define CURRENT_TIME yaffsfs_CurrentTime()
-#define YAFFS_ROOT_MODE 0666
-#define YAFFS_LOSTNFOUND_MODE 0666
+#define MTD_VERSION_CODE MTD_VERSION(2,6,22)
-#define yaffs_SumCompare(x,y) ((x) == (y))
-#define YCHAR char
-#define YUCHAR unsigned char
-#define _Y(a) a
-#define yaffs_toupper(a) toupper(a)
-#define yaffs_strcmp(a,b) strcmp(a,b)
-#define yaffs_strcpy(a,b) strcpy(a,b)
-#define yaffs_strncpy(a,b,c) strncpy(a,b,c)
-#define yaffs_strlen(s) strlen(s)
-#define yaffs_sprintf sprintf
+/* Direct interface */
+#include "ydirectenv.h"
#elif defined CONFIG_YAFFS_UTIL
-// Stuff for YAFFS utilities
+/* Stuff for YAFFS utilities */
#include "stdlib.h"
#include "stdio.h"
#include "string.h"
+#include "devextras.h"
+
#define YMALLOC(x) malloc(x)
#define YFREE(x) free(x)
+#define YMALLOC_ALT(x) malloc(x)
+#define YFREE_ALT(x) free(x)
-#define Y_INLINE
-
+#define YCHAR char
+#define YUCHAR unsigned char
+#define _Y(x) x
+#define yaffs_strcat(a,b) strcat(a,b)
+#define yaffs_strcpy(a,b) strcpy(a,b)
+#define yaffs_strncpy(a,b,c) strncpy(a,b,c)
+#define yaffs_strlen(s) strlen(s)
+#define yaffs_sprintf sprintf
+#define yaffs_toupper(a) toupper(a)
-//#define YINFO(s) YPRINTF(( __FILE__ " %d %s\n",__LINE__,s))
-//#define YALERT(s) YINFO(s)
+#define Y_INLINE inline
+/* #define YINFO(s) YPRINTF(( __FILE__ " %d %s\n",__LINE__,s)) */
+/* #define YALERT(s) YINFO(s) */
#define TENDSTR "\n"
#define TSTR(x) x
#define TOUT(p) printf p
-
#define YAFFS_LOSTNFOUND_NAME "lost+found"
#define YAFFS_LOSTNFOUND_PREFIX "obj"
-//#define YPRINTF(x) printf x
+/* #define YPRINTF(x) printf x */
-
-#define CURRENT_TIME 0
#define YAFFS_ROOT_MODE 0666
#define YAFFS_LOSTNFOUND_MODE 0666
#define yaffs_SumCompare(x,y) ((x) == (y))
-#define YCHAR char
-#define YUCHAR unsigned char
-#define _Y(a) a
-#define yaffs_toupper(a) toupper(a)
-#define yaffs_strcmp(a,b) strcmp(a,b)
-#define yaffs_strcpy(a,b) strcpy(a,b)
-#define yaffs_strncpy(a,b,c) strncpy(a,b,c)
-#define yaffs_strlen(s) strlen(s)
-#define yaffs_sprintf sprintf
+#define yaffs_strcmp(a,b) strcmp(a,b)
#else
-// Should have specified a configuration type
+/* Should have specified a configuration type */
#error Unknown configuration
-#endif
-
-
-extern unsigned yaffs_traceMask;
-
-#define YAFFS_TRACE_ERROR 0x0001
-#define YAFFS_TRACE_OS 0x0002
-#define YAFFS_TRACE_ALLOCATE 0x0004
-#define YAFFS_TRACE_SCAN 0x0008
-#define YAFFS_TRACE_BAD_BLOCKS 0x0010
-#define YAFFS_TRACE_ERASE 0x0020
-#define YAFFS_TRACE_GC 0x0040
-#define YAFFS_TRACE_DELETION 0x0080
-#define YAFFS_TRACE_TRACING 0x0100
-#define YAFFS_TRACE_ALWAYS 0x0200
-#define YAFFS_TRACE_WRITE 0x0400
-#define YAFFS_TRACE_BUFFERS 0x0800
-#define YAFFS_TRACE_NANDACCESS 0x1000
-#define YAFFS_TRACE_DELETE 0x2000
-#define YAFFS_TRACE_GC_DETAIL 0x4000
-#define YAFFS_TRACE_BUG 0x800000
-
-#define T(mask,p) do{ if((mask) & (yaffs_traceMask | YAFFS_TRACE_ERROR)) TOUT(p);} while(0)
-
-//#undef YINFO
-
-
-//#define YINFO(s) YPRINTF((KERN_DEBUG __FILE__ " %d %s\n",__LINE__,s))
-//#define YALERT(s) YINFO(s)
-#ifdef CONFIG_YAFFS_WINCE
-#define YBUG() T(YAFFS_TRACE_BUG,(TSTR("==>> yaffs bug: %s %d" TENDSTR),TEXT(__FILE__),__LINE__))
-#else
-#define YBUG() T(YAFFS_TRACE_BUG,(TSTR("==>> yaffs bug: " __FILE__ " %d" TENDSTR),__LINE__))
#endif
-#ifndef YCHAR
-#define YCHAR char
-#endif
+/* see yaffs_fs.c */
+extern unsigned int yaffs_traceMask;
+extern unsigned int yaffs_wr_attempts;
-#ifndef YUCHAR
-#define YUCHAR unsigned char
+/*
+ * Tracing flags.
+ * The flags masked in YAFFS_TRACE_ALWAYS are always traced.
+ */
+
+#define YAFFS_TRACE_OS 0x00000002
+#define YAFFS_TRACE_ALLOCATE 0x00000004
+#define YAFFS_TRACE_SCAN 0x00000008
+#define YAFFS_TRACE_BAD_BLOCKS 0x00000010
+#define YAFFS_TRACE_ERASE 0x00000020
+#define YAFFS_TRACE_GC 0x00000040
+#define YAFFS_TRACE_WRITE 0x00000080
+#define YAFFS_TRACE_TRACING 0x00000100
+#define YAFFS_TRACE_DELETION 0x00000200
+#define YAFFS_TRACE_BUFFERS 0x00000400
+#define YAFFS_TRACE_NANDACCESS 0x00000800
+#define YAFFS_TRACE_GC_DETAIL 0x00001000
+#define YAFFS_TRACE_SCAN_DEBUG 0x00002000
+#define YAFFS_TRACE_MTD 0x00004000
+#define YAFFS_TRACE_CHECKPOINT 0x00008000
+
+#define YAFFS_TRACE_VERIFY 0x00010000
+#define YAFFS_TRACE_VERIFY_NAND 0x00020000
+#define YAFFS_TRACE_VERIFY_FULL 0x00040000
+#define YAFFS_TRACE_VERIFY_ALL 0x000F0000
+
+
+#define YAFFS_TRACE_ERROR 0x40000000
+#define YAFFS_TRACE_BUG 0x80000000
+#define YAFFS_TRACE_ALWAYS 0xF0000000
+
+
+#define T(mask,p) do{ if((mask) & (yaffs_traceMask | YAFFS_TRACE_ALWAYS)) TOUT(p);} while(0)
+
+#ifndef YBUG
+#define YBUG() do {T(YAFFS_TRACE_BUG,(TSTR("==>> yaffs bug: " __FILE__ " %d" TENDSTR),__LINE__));} while(0)
#endif
#endif
projects / yaffs2.git / blobdiff