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Kernel Functions for Driversddi_regs_map_free(9F)

NAME

 ddi_regs_map_free - free a previously mapped register address space

SYNOPSIS

  
#include <sys/ddi.h>
#include <sys/sunddi.h>
void ddi_regs_map_free(ddi_acc_handle_t *handle);

INTERFACE LEVEL

 

Solaris DDI specific (Solaris DDI).

PARAMETERS

 
handle
Pointer to a data access handle previously allocated by a call to a setup routine such as ddi_regs_map_setup(9F).

DESCRIPTION

 

ddi_regs_map_free() frees the mapping represented by the data access handle handle. This function is provided for drivers preparing to detach themselves from the system, allowing them to release allocated system resources represented in the handle.

CONTEXT

 

ddi_regs_map_free() must be called from user or kernel context.

ATTRIBUTES

 

See attributes(5) for descriptions of the following attributes:

ATTRIBUTE TYPEATTRIBUTE VALUE
ArchitecturePCI Local Bus, SBus, ISA, EISA

SEE ALSO

 

attributes(5), ddi_regs_map_setup(9F)

Writing Device Drivers

SunOS 5.9Go To TopLast Changed 1 Jan 1997
 
      
      
Copyright 2002 Sun Microsystems, Inc. All rights reserved. Use is subject to license terms.