/* * YAFFS: Yet another Flash File System . A NAND-flash specific file system. * * Copyright (C) 2002-2011 Aleph One Ltd. * for Toby Churchill Ltd and Brightstar Engineering * * Created by Charles Manning <charles@aleph1.co.uk> * * This program is free software; you can redistribute it and/or modify * 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. */ #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)) #ifdef YAFFS_OUT_OF_TREE #include "moduleconfig.h" #endif #include <linux/version.h> #define MTD_VERSION_CODE LINUX_VERSION_CODE #if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 19)) #include <linux/config.h> #endif #include <linux/version.h> #include <linux/kernel.h> #include <linux/mm.h> #include <linux/sched.h> #include <linux/string.h> #include <linux/slab.h> #include <linux/vmalloc.h> #include <linux/xattr.h> #include <linux/list.h> #include <linux/types.h> #include <linux/fs.h> #include <linux/stat.h> #include <linux/sort.h> #include <linux/bitops.h> /* These type wrappings are used to support Unicode names in WinCE. */ #define YCHAR char #define YUCHAR unsigned char #define _Y(x) x #define YAFFS_LOSTNFOUND_NAME "lost+found" #define YAFFS_LOSTNFOUND_PREFIX "obj" #define YAFFS_ROOT_MODE 0755 #define YAFFS_LOSTNFOUND_MODE 0700 #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 compile_time_assertion(assertion) \ ({ int x = __builtin_choose_expr(assertion, 0, (void)0); (void) x; }) #define yaffs_printf(msk, fmt, ...) \ printk(KERN_DEBUG "yaffs: " fmt "\n", ##__VA_ARGS__) #define yaffs_trace(msk, fmt, ...) do { \ if (yaffs_trace_mask & (msk)) \ printk(KERN_DEBUG "yaffs: " fmt "\n", ##__VA_ARGS__); \ } while (0) #endif