patch-2.4.0-test3 linux/include/linux/mtd/compatmac.h

• Lines: 203
• Date: Wed Jul 5 18:08:26 2000
• Orig file: v2.4.0-test2/linux/include/linux/mtd/compatmac.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.4.0-test2/linux/include/linux/mtd/compatmac.h linux/include/linux/mtd/compatmac.h
@@ -0,0 +1,202 @@
+
+/*
+ * mtd/include/compatmac.h
+ *
+ * $Id: compatmac.h,v 1.4 2000/07/03 10:01:38 dwmw2 Exp $
+ *
+ * Extensions and omissions from the normal 'linux/compatmac.h'
+ * files. hopefully this will end up empty as the 'real' one 
+ * becomes fully-featured.
+ */
+
+
+/* First, include the parts which the kernel is good enough to provide 
+ * to us 
+ */
+   
+#ifndef __LINUX_MTD_COMPATMAC_H__
+#define __LINUX_MTD_COMPATMAC_H__
+
+#include <linux/compatmac.h>
+#include <linux/types.h> /* used later in this header */
+#include <linux/module.h>
+#ifndef LINUX_VERSION_CODE
+#include <linux/version.h>
+#endif
+
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,1,0)
+#include <linux/vmalloc.h>
+#endif
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,0,0)
+#  error "This kernel is too old: not supported by this file"
+#endif
+
+/* Modularization issues */
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,1,18)
+#  define __USE_OLD_SYMTAB__
+#  define EXPORT_NO_SYMBOLS register_symtab(NULL);
+#  define REGISTER_SYMTAB(tab) register_symtab(tab)
+#else
+#  define REGISTER_SYMTAB(tab) /* nothing */
+#endif
+
+#ifdef __USE_OLD_SYMTAB__
+#  define __MODULE_STRING(s)         /* nothing */
+#  define MODULE_PARM(v,t)           /* nothing */
+#  define MODULE_PARM_DESC(v,t)      /* nothing */
+#  define MODULE_AUTHOR(n)           /* nothing */
+#  define MODULE_DESCRIPTION(d)      /* nothing */
+#  define MODULE_SUPPORTED_DEVICE(n) /* nothing */
+#endif
+
+/*
+ * "select" changed in 2.1.23. The implementation is twin, but this
+ * header is new
+ */
+#if LINUX_VERSION_CODE > KERNEL_VERSION(2,1,22)
+#  include <linux/poll.h>
+#else
+#  define __USE_OLD_SELECT__
+#endif
+
+/* Other change in the fops are solved using pseudo-types */
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,1,0)
+#  define lseek_t      long long
+#  define lseek_off_t  long long
+#else
+#  define lseek_t      int
+#  define lseek_off_t  off_t
+#endif
+
+/* changed the prototype of read/write */
+
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,1,0) || defined(__alpha__)
+# define count_t unsigned long
+# define read_write_t long
+#else
+# define count_t int
+# define read_write_t int
+#endif
+
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,1,31)
+# define release_t void
+#  define release_return(x) return
+#else
+#  define release_t int
+#  define release_return(x) return (x)
+#endif
+
+#if LINUX_VERSION_CODE < 0x20300
+#define __exit
+#endif
+#if LINUX_VERSION_CODE < 0x20200
+#define __init
+#else
+#include <linux/init.h>
+#endif
+
+#if LINUX_VERSION_CODE < 0x20300
+#define init_MUTEX(x) do {*(x) = MUTEX;} while (0)
+#define RQFUNC_ARG void
+#define blkdev_dequeue_request(req) do {CURRENT = req->next;} while (0)
+#else
+#define RQFUNC_ARG request_queue_t *q
+#endif
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,2,0)
+#define __MOD_INC_USE_COUNT(mod)                                        \
+        (atomic_inc(&(mod)->uc.usecount), (mod)->flags |= MOD_VISITED|MOD_USED_ONCE)
+#define __MOD_DEC_USE_COUNT(mod)                                        \
+        (atomic_dec(&(mod)->uc.usecount), (mod)->flags |= MOD_VISITED)
+#endif
+
+
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,3,0)
+
+#define DECLARE_WAIT_QUEUE_HEAD(x) struct wait_queue *x = NULL
+#define init_waitqueue_head init_waitqueue
+
+static inline int try_inc_mod_count(struct module *mod)
+{
+	if (mod)
+		__MOD_INC_USE_COUNT(mod);
+	return 1;
+}
+#endif
+
+
+/* Yes, I'm aware that it's a fairly ugly hack.
+   Until the __constant_* macros appear in Linus' own kernels, this is
+   the way it has to be done.
+ DW 19/1/00
+ */
+
+#include <asm/byteorder.h>
+
+#ifndef __constant_cpu_to_le16
+
+#ifdef __BIG_ENDIAN
+#define __constant_cpu_to_le64(x) ___swab64((x))
+#define __constant_le64_to_cpu(x) ___swab64((x))
+#define __constant_cpu_to_le32(x) ___swab32((x))
+#define __constant_le32_to_cpu(x) ___swab32((x))
+#define __constant_cpu_to_le16(x) ___swab16((x))
+#define __constant_le16_to_cpu(x) ___swab16((x))
+#define __constant_cpu_to_be64(x) ((__u64)(x))
+#define __constant_be64_to_cpu(x) ((__u64)(x))
+#define __constant_cpu_to_be32(x) ((__u32)(x))
+#define __constant_be32_to_cpu(x) ((__u32)(x))
+#define __constant_cpu_to_be16(x) ((__u16)(x))
+#define __constant_be16_to_cpu(x) ((__u16)(x))
+#else
+#ifdef __LITTLE_ENDIAN
+#define __constant_cpu_to_le64(x) ((__u64)(x))
+#define __constant_le64_to_cpu(x) ((__u64)(x))
+#define __constant_cpu_to_le32(x) ((__u32)(x))
+#define __constant_le32_to_cpu(x) ((__u32)(x))
+#define __constant_cpu_to_le16(x) ((__u16)(x))
+#define __constant_le16_to_cpu(x) ((__u16)(x))
+#define __constant_cpu_to_be64(x) ___swab64((x))
+#define __constant_be64_to_cpu(x) ___swab64((x))
+#define __constant_cpu_to_be32(x) ___swab32((x))
+#define __constant_be32_to_cpu(x) ___swab32((x))
+#define __constant_cpu_to_be16(x) ___swab16((x))
+#define __constant_be16_to_cpu(x) ___swab16((x))
+#else
+#error No (recognised) endianness defined (unless it,s PDP)
+#endif /* __LITTLE_ENDIAN */
+#endif /* __BIG_ENDIAN */
+
+#endif /* ifndef __constant_cpu_to_le16 */
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,3,0)
+  #define mod_init_t int  __init
+  #define mod_exit_t void  
+#else
+  #define mod_init_t static int __init
+  #define mod_exit_t static void __exit
+#endif
+
+#ifndef THIS_MODULE
+#ifdef MODULE
+#define THIS_MODULE (&__this_module)
+#else
+#define THIS_MODULE (NULL)
+#endif
+#endif
+
+#if LINUX_VERSION_CODE < 0x20300
+#include <linux/interrupt.h>
+#define spin_lock_bh(lock) do {start_bh_atomic();spin_lock(lock);}while(0);
+#define spin_unlock_bh(lock) do {spin_unlock(lock);end_bh_atomic();}while(0);
+#else
+#include <asm/softirq.h>
+#include <linux/spinlock.h>
+#endif
+
+#endif /* __LINUX_MTD_COMPATMAC_H__ */
+
+