/tmp/l4check/full_tree/trunk/l4/pkg/dde_linux/lib/src/res.c File Reference

I/O Resource Management. More...

#include <l4/generic_io/libio.h>
#include <l4/dde_linux/dde.h>
#include <l4/env/errno.h>
#include <linux/ioport.h>
#include <l4/log/l4log.h>
#include "__config.h"
#include "internal.h"

Go to the source code of this file.

Functions
struct resource *	request_region (unsigned long start, unsigned long n, const char *name)
	Allocate I/O port region.
struct resource *	request_mem_region (unsigned long start, unsigned long n, const char *name)
	Allocate I/O memory region.
void	release_region (unsigned long start, unsigned long n)
	Release I/O port region.
void	release_mem_region (unsigned long start, unsigned long n)
	Release I/O memory region.
int	release_resource (struct resource *res)
	Release any resource.
int	check_region (unsigned long start, unsigned long n)
	Check I/O port region availability.
int	check_mem_region (unsigned long start, unsigned long n)
	Check I/O memory region availability.
void *	ioremap (unsigned long phys_addr, unsigned long size)
	Remap I/O memory into kernel address space.
void *	ioremap_nocache (unsigned long phys_addr, unsigned long size)
	Remap I/O memory into kernel address space (no cache).
void	iounmap (void *addr)
	Unmap I/O memory from kernel address space.
Variables
Module Variables
static struct dde_region *	regions = NULL
	I/O memory region list.

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Detailed Description

I/O Resource Management.

Date:

08/28/2003

Author:

Christian Helmuth <ch12@os.inf.tu-dresden.de>

Definition in file res.c.