xref: /illumos-gate/usr/src/man/man9f/ddi_dev_nintrs.9f (revision f37b3cbb6f67aaea5eec1c335bdc7bf432867d64)
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DDI_DEV_NINTRS 9F "March 6, 2023"
NAME
ddi_dev_nintrs - return the number of interrupt specifications a device has
SYNOPSIS
#include <sys/conf.h>
#include <sys/ddi.h>
#include <sys/sunddi.h>



int ddi_dev_nintrs(dev_info_t *dip, int *resultp);
INTERFACE LEVEL
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 This interface is obsolete.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.
DESCRIPTION
The ddi_dev_nintrs() function returns the number of interrupt specifications a device has in *resultp.
RETURN VALUES
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.

CONTEXT
The ddi_dev_nintrs() function can be called from user, interrupt, or kernel context.
ATTRIBUTES
See attributes(7) for descriptions of the following attributes:
ATTRIBUTE TYPE ATTRIBUTE VALUE
Interface Stability Obsolete
SEE ALSO
isa (5), Intro (9F), ddi_add_intr (9F), ddi_dev_nregs (9F), ddi_dev_regsize (9F)

Writing Device Drivers