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NAME

ddi_dev_nregs - return
the number of register sets a device has
 

SYNOPSIS

#include <sys/conf.h>
#include <sys/ddi.h>
#include <sys/sunddi.h>



int ddi_dev_nregs(dev_info_t *dip, int *resultp);

INTERFACE LEVEL

Solaris DDI specific (Solaris DDI).  

PARAMETERS

dip

A pointer to the device's dev_info structure.

resultp

Pointer to an integer that holds the number of register sets on return.

DESCRIPTION

The ddi_dev_nregs() function returns the number of sets of registers the device has.  

RETURN VALUES

The ddi_dev_nregs() function returns:

DDI_SUCCESS

A successful return. The number of register sets is returned in resultp.

DDI_FAILURE

The device has no registers.

CONTEXT

The ddi_dev_nregs() function can be called from user, interrupt, or kernel context.  

SEE ALSO

ddi_dev_nintrs(9F), ddi_dev_regsize(9F)

Writing Device Drivers

Index

NAME

SYNOPSIS

INTERFACE LEVEL

PARAMETERS

DESCRIPTION

RETURN VALUES

CONTEXT

SEE ALSO

Партнёры:

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