/*
- * 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 1.6 2005-07-31 00:26:57 charles Exp $
- *
*/
-
+
+
#ifndef __YPORTENV_H__
#define __YPORTENV_H__
+/*
+ * 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 MTD_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))
#if defined CONFIG_YAFFS_WINCE
#elif defined __KERNEL__
+#include "moduleconfig.h"
+
+/* Linux kernel */
+#include <linux/version.h>
+#define MTD_VERSION_CODE LINUX_VERSION_CODE
-// Linux kernel
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19))
#include <linux/config.h>
+#endif
#include <linux/kernel.h>
-#include <linux/version.h>
#include <linux/mm.h>
+#include <linux/sched.h>
#include <linux/string.h>
#include <linux/slab.h>
+#include <linux/vmalloc.h>
#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 YAFFS_LOSTNFOUND_NAME "lost+found"
#define YAFFS_LOSTNFOUND_PREFIX "obj"
-//#define YPRINTF(x) printk x
+/* #define YPRINTF(x) printk x */
#define YMALLOC(x) kmalloc(x,GFP_KERNEL)
#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 TSTR(x) KERN_WARNING 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)
+
+#define compile_time_assertion(assertion) \
+ ({ int x = __builtin_choose_expr(assertion, 0, (void)0); (void) x; })
#elif defined CONFIG_YAFFS_DIRECT
-// Direct interface
+#define MTD_VERSION_CODE MTD_VERSION(2,6,22)
+
+/* Direct interface */
#include "ydirectenv.h"
#elif defined CONFIG_YAFFS_UTIL
-// Stuff for YAFFS utilities
+/* Stuff for YAFFS utilities */
#include "stdlib.h"
#include "stdio.h"
#define YMALLOC(x) malloc(x)
#define YFREE(x) free(x)
-
+#define YMALLOC_ALT(x) malloc(x)
+#define YFREE_ALT(x) free(x)
#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 Y_INLINE inline
-//#define YINFO(s) YPRINTF(( __FILE__ " %d %s\n",__LINE__,s))
-//#define YALERT(s) YINFO(s)
-
+/* #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 YAFFS_ROOT_MODE 0666
#define YAFFS_LOSTNFOUND_MODE 0666
#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
+#endif
+/* see yaffs_fs.c */
+extern unsigned int yaffs_traceMask;
+extern unsigned int yaffs_wr_attempts;
-extern unsigned yaffs_traceMask;
+/*
+ * Tracing flags.
+ * The flags masked in YAFFS_TRACE_ALWAYS are always traced.
+ */
-#define YAFFS_TRACE_ERROR 0x00000001
#define YAFFS_TRACE_OS 0x00000002
#define YAFFS_TRACE_ALLOCATE 0x00000004
#define YAFFS_TRACE_SCAN 0x00000008
#define YAFFS_TRACE_GC_DETAIL 0x00001000
#define YAFFS_TRACE_SCAN_DEBUG 0x00002000
#define YAFFS_TRACE_MTD 0x00004000
-#define YAFFS_TRACE_ALWAYS 0x40000000
+#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_ERROR)) TOUT(p);} while(0)
+#define T(mask,p) do{ if((mask) & (yaffs_traceMask | YAFFS_TRACE_ALWAYS)) TOUT(p);} while(0)
-#ifndef CONFIG_YAFFS_WINCE
-#define YBUG() T(YAFFS_TRACE_BUG,(TSTR("==>> yaffs bug: " __FILE__ " %d" TENDSTR),__LINE__))
+#ifndef YBUG
+#define YBUG() do {T(YAFFS_TRACE_BUG,(TSTR("==>> yaffs bug: " __FILE__ " %d" TENDSTR),__LINE__));} while(0)
#endif
#endif
-
-
projects / yaffs2.git / blobdiff