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solaris:ddi_dev_nregs.9f

ddi_dev_nregs


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 in Oracle Solaris 11.4


solaris/ddi_dev_nregs.9f.txt · Last modified: 2023/07/19 08:58 by A User Not Logged in