DDI_DEV_NINTRS(9F) Kernel Functions for Drivers DDI_DEV_NINTRS(9F)

ddi_dev_nintrs - return the number of interrupt specifications a device has

#include <sys/conf.h>
#include <sys/ddi.h>
#include <sys/sunddi.h>
int ddi_dev_nintrs(dev_info_t *dip, int *resultp);

illumos DDI specific (illumos DDI). This interface is obsolete. Use the new interrupt interfaces referenced in Intro(9F). Refer to Writing Device Drivers for more information.

The ddi_dev_nintrs() function returns the number of interrupt specifications a device has in *resultp.

The ddi_dev_nintrs() function returns:

DDI_SUCCESS

A successful return. The number of interrupt specifications that the device has is set in resultp.

DDI_FAILURE

The device has no interrupt specifications.

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

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

ATTRIBUTE TYPE ATTRIBUTE VALUE
Interface Stability Obsolete

isa(4), sbus(4), ddi_add_intr(9F), ddi_dev_nregs(9F), ddi_dev_regsize(9F), Intro(9F)

Writing Device Drivers

January 16, 2006 OmniOS