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AIX Version 4.3 Kernel and Subsystems Technical Reference, Volume 1

iomem_det Kernel Service

Purpose

Releases access to memory-mapped IO.

Syntax

#include <sys/types.h>
#include <sys/adspace.h>
void iomem_det (ioaddr)
void *ioaddr

Parameters

ioaddr Specifies the effective address returned by the iomem_att kernel service.

Description

The iomem_det kernel service releases memory-mapped I/O addressability. A call to the iomem_det kernel service must be made for every iomem_att call, with the address that iomem_att returned.

Execution Evironment

The iomem_det kernel service can be called from either the process or interrupt environment.

Return Values

The iomem_det kernel service returns no return values.

Implementation Specifics

The iomem_det kernel service is part of the Base Operating System (BOS) Runtime.

Related Information

The iomem_att kernel service.

Kernel Extension and Device Driver Management Kernel Services in AIX Version 4.3 Kernel Extensions and Device Support Programming Concepts.


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