maccess.c File Reference

#include <linux/uaccess.h>
#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/errno.h>
#include <linux/gfp.h>
#include <linux/cpu.h>
#include <asm/ctl_reg.h>

Go to the source code of this file.

Functions
long	probe_kernel_write (void *dst, const void *src, size_t size)
int	memcpy_real (void *dest, void *src, size_t count)
void	memcpy_absolute (void *dest, void *src, size_t count)
int	copy_to_user_real (void __user *dest, void *src, size_t count)
int	copy_from_user_real (void *dest, void __user *src, size_t count)
void *	xlate_dev_mem_ptr (unsigned long addr)
void	unxlate_dev_mem_ptr (unsigned long addr, void *buf)

Function Documentation

int copy_from_user_real	(	void *	dest,
		void __user *	src,
		size_t	count
	)

Definition at line 156 of file maccess.c.

int copy_to_user_real	(	void __user *	dest,
		void *	src,
		size_t	count
	)

Definition at line 130 of file maccess.c.

void memcpy_absolute	(	void *	dest,
		void *	src,
		size_t	count
	)

Definition at line 106 of file maccess.c.

int memcpy_real	(	void *	dest,
		void *	src,
		size_t	count
	)

Definition at line 89 of file maccess.c.

long probe_kernel_write	(	void *	dst,
		const void *	src,
		size_t	size
	)

probe_kernel_write(): safely attempt to write to a location : address to write to : pointer to the data that shall be written : size of the data chunk

Safely write to address from the buffer at . If a kernel fault happens, handle that and return -EFAULT.

Definition at line 50 of file maccess.c.

void unxlate_dev_mem_ptr	(	unsigned long	addr,
		void *	buf
	)

Definition at line 225 of file maccess.c.

void* xlate_dev_mem_ptr

(

unsigned long

addr

)

Definition at line 204 of file maccess.c.