/*
- * 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 1.3 2004-11-16 02:36:15 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
#include "ywinceenv.h"
-#elif defined __KERNEL__
+#elif defined __KERNEL__
+
+#include "moduleconfig.h"
+/* Linux kernel */
+#include <linux/version.h>
+#define MTD_VERSION_CODE LINUX_VERSION_CODE
-// Linux kernel
-#include "linux/kernel.h"
-#include "linux/version.h"
-#include "linux/mm.h"
-#include "linux/string.h"
-#include "linux/slab.h"
+#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 YCHAR char
#define YUCHAR unsigned char
#define _Y(x) x
-#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 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_strnlen(s,m) strnlen(s,m)
+#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)
+
+/* 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
+#define YAFFS_ROOT_MODE 0755
+#define YAFFS_LOSTNFOUND_MODE 0700
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
+#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_TIME_CONVERT(x) (x)
#endif
-#define yaffs_SumCompare(x,y) ((x) == (y))
-#define yaffs_strcmp(a,b) strcmp(a,b)
+#define yaffs_SumCompare(x, y) ((x) == (y))
+#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_ALWAYS)) \
+ 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_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 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_strnlen(s,m) strnlen(s,m)
+#define yaffs_sprintf sprintf
+#define yaffs_toupper(a) toupper(a)
#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_ROOT_MODE 0755
+#define YAFFS_LOSTNFOUND_MODE 0700
-#define yaffs_SumCompare(x,y) ((x) == (y))
-#define yaffs_strcmp(a,b) strcmp(a,b)
+#define yaffs_SumCompare(x, y) ((x) == (y))
+#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 0x00000001
-#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_ALWAYS 0x40000000
-#define YAFFS_TRACE_BUG 0x80000000
-
-#define T(mask,p) do{ if((mask) & (yaffs_traceMask | YAFFS_TRACE_ERROR)) TOUT(p);} while(0)
+#endif
-#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