ddi_dev_nregs(9F) Kernel Functions for Drivers ddi_dev_nregs(9F)NAMEddi_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 ALSOddi_dev_nintrs(9F), ddi_dev_regsize(9F)
Writing Device Drivers
SunOS 5.10 16 Jan 2006 ddi_dev_nregs(9F)