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Update to lastest version

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Godzil
2011-12-19 18:34:54 +01:00
committed by Manoel Trapier
parent a667d5412c
commit 788c45bd77
14 changed files with 83 additions and 75 deletions
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95
include/kfusd.h
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@@ -37,28 +37,28 @@
*
* Private header file used by the Linux Kernel Module
*
* $Id$
* $Id: kfusd.h 12351 2007-01-19 07:22:54Z xiphmont $
*/
#ifndef __KFUSD_H__
#define __KFUSD_H__
# define __KFUSD_H__
#include "fusd_msg.h"
# include "fusd_msg.h"
/* magic numbers for structure checking; unique w.r.t
* /usr/src/linux/Documentation/magic-number.txt */
#define FUSD_DEV_MAGIC 0x8b43a123
#define FUSD_FILE_MAGIC 0x613aa8fe
# define FUSD_DEV_MAGIC 0x8b43a123
# define FUSD_FILE_MAGIC 0x613aa8fe
/* number of devices that can be created with fusd */
#define MAX_FUSD_DEVICES 128
# define MAX_FUSD_DEVICES 128
/* number of times each device can be opened simultaneously */
#define MIN_FILEARRAY_SIZE 8 /* initialize allocation */
#define MAX_FILEARRAY_SIZE 1024 /* maximum it can grow to */
# define MIN_FILEARRAY_SIZE 8 /* initialize allocation */
# define MAX_FILEARRAY_SIZE 1024 /* maximum it can grow to */
/* maximum read/write size we're willing to service */
#define MAX_RW_SIZE (1024*128)
# define MAX_RW_SIZE (1024*128)
/********************** Structure Definitions *******************************/
@@ -174,34 +174,34 @@ STATIC struct fusd_transaction* fusd_find_transaction_by_pid(fusd_file_t *fusd_f
/**** Utility functions & macros ****/
#ifdef CONFIG_FUSD_USE_WAKEUPSYNC
#define WAKE_UP_INTERRUPTIBLE_SYNC(x) wake_up_interruptible_sync(x)
#else
#define WAKE_UP_INTERRUPTIBLE_SYNC(x) wake_up_interruptible(x)
#endif /* CONFIG_FUSD_USE_WAKEUPSYNC */
# ifdef CONFIG_FUSD_USE_WAKEUPSYNC
# define WAKE_UP_INTERRUPTIBLE_SYNC(x) wake_up_interruptible_sync(x)
# else
# define WAKE_UP_INTERRUPTIBLE_SYNC(x) wake_up_interruptible(x)
# endif /* CONFIG_FUSD_USE_WAKEUPSYNC */
#ifdef CONFIG_FUSD_DEBUG
# ifdef CONFIG_FUSD_DEBUG
static void rdebug_real(char *fmt, ...)
__attribute__ ((format (printf, 1, 2)));
#define RDEBUG(message_level, args...) do { \
# define RDEBUG(message_level, args...) do { \
if (fusd_debug_level >= message_level) rdebug_real(args); \
} while(0)
#else
#define RDEBUG(message_level, args...)
#endif /* CONFIG_FUSD_DEBUG */
# else
# define RDEBUG(message_level, args...)
# endif /* CONFIG_FUSD_DEBUG */
#define ZOMBIE(fusd_dev) ((fusd_dev)->zombie)
# define ZOMBIE(fusd_dev) ((fusd_dev)->zombie)
#define GET_FUSD_DEV(candidate, fusd_dev) do { \
# define GET_FUSD_DEV(candidate, fusd_dev) do { \
fusd_dev = candidate; \
if (fusd_dev == NULL || fusd_dev->magic != FUSD_DEV_MAGIC) \
goto invalid_dev; \
} while (0)
#define GET_FUSD_FILE_AND_DEV(candidate, fusd_file, fusd_dev) do { \
# define GET_FUSD_FILE_AND_DEV(candidate, fusd_file, fusd_dev) do { \
fusd_file = candidate; \
if (fusd_file == NULL || fusd_file->magic != FUSD_FILE_MAGIC) \
goto invalid_file; \
@@ -210,36 +210,40 @@ static void rdebug_real(char *fmt, ...)
goto invalid_file; \
} while (0)
#define LOCK_FUSD_DEV(fusd_dev) \
# define LOCK_FUSD_DEV(fusd_dev) \
do { down(&fusd_dev->dev_sem); \
if (ZOMBIE(fusd_dev)) { up(&fusd_dev->dev_sem); goto zombie_dev; } \
} while (0)
/* rawlock does not do a zombie check */
#define RAWLOCK_FUSD_DEV(fusd_dev) \
# define RAWLOCK_FUSD_DEV(fusd_dev) \
do { down(&fusd_dev->dev_sem); } while (0)
#define UNLOCK_FUSD_DEV(fusd_dev) \
# define UNLOCK_FUSD_DEV(fusd_dev) \
do { up(&fusd_dev->dev_sem); } while (0)
#define LOCK_FUSD_FILE(fusd_file) \
# define LOCK_FUSD_FILE(fusd_file) \
do { down(&fusd_file->file_sem); \
} while (0)
#define UNLOCK_FUSD_FILE(fusd_file) \
# define UNLOCK_FUSD_FILE(fusd_file) \
do { up(&fusd_file->file_sem); } while (0)
#define FREE_FUSD_MSGC(fusd_msgc) do { \
# define FREE_FUSD_MSGC(fusd_msgc) do { \
if ((fusd_msgc)->fusd_msg.data != NULL) VFREE(fusd_msgc->fusd_msg.data); \
KFREE(fusd_msgc); \
} while (0)
#define NAME(fusd_dev) ((fusd_dev)->name == NULL ? \
# define FREE_FUSD_MSGC(fusd_msgc) do { \
if ((fusd_msgc)->fusd_msg.data != NULL) VFREE(fusd_msgc->fusd_msg.data); \
KFREE(fusd_msgc); \
} while (0)
# define NAME(fusd_dev) ((fusd_dev)->name == NULL ? \
"<noname>" : (fusd_dev)->name)
#ifdef CONFIG_FUSD_MEMDEBUG
# ifdef CONFIG_FUSD_MEMDEBUG
static int fusd_mem_init(void);
static void fusd_mem_cleanup(void);
static void fusd_mem_add(void *ptr, int line, int size);
@@ -248,22 +252,22 @@ static void *fusd_kmalloc(size_t size, int type, int line);
static void fusd_kfree(void *ptr);
static void *fusd_vmalloc(size_t size, int line);
static void fusd_vfree(void *ptr);
# define KMALLOC(size, type) fusd_kmalloc(size, type, __LINE__)
# define KFREE(ptr) fusd_kfree(ptr)
# define VMALLOC(size) fusd_vmalloc(size, __LINE__)
# define VFREE(ptr) fusd_vfree(ptr)
#else /* no memory debugging */
# define KMALLOC(size, type) kmalloc(size, type)
# define KFREE(ptr) kfree(ptr)
# define KMALLOC(size, type) fusd_kmalloc(size, type, __LINE__)
# define KFREE(ptr) fusd_kfree(ptr)
# define VMALLOC(size) fusd_vmalloc(size, __LINE__)
# define VFREE(ptr) fusd_vfree(ptr)
# else /* no memory debugging */
# define KMALLOC(size, type) kmalloc(size, type)
# define KFREE(ptr) kfree(ptr)
/*# define VMALLOC(size) vmalloc(size)*/
# define VMALLOC(size) kmalloc(size, GFP_KERNEL)
# define VFREE(ptr) kfree(ptr)
#endif /* CONFIG_FUSD_MEMDEBUG */
# define VMALLOC(size) kmalloc(size, GFP_KERNEL)
# define VFREE(ptr) kfree(ptr)
# endif /* CONFIG_FUSD_MEMDEBUG */
/* Functions like this should be in the kernel, but they are not. Sigh. */
#ifdef CONFIG_SMP
# ifdef CONFIG_SMP
DECLARE_MUTEX(atomic_ops);
@@ -276,12 +280,11 @@ static __inline__ int atomic_inc_and_ret(int *i)
up(&atomic_ops);
return val;
}
#else
# else
static __inline__ int atomic_inc_and_ret(int *i)
{
return (++(*i));
}
#endif
# endif
#endif /* __KFUSD_H__ */