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


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


Solaris DDI specific (Solaris 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 This interface is obsolete.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(5) for descriptions of the following attributes:


+--------------------+-----------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+--------------------+-----------------+
|Interface Stability | Obsolete |
+--------------------+-----------------+

SEE ALSO


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


Writing Device Drivers


January 16, 2006 DDI_DEV_NINTRS(9F)