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
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 This interface is obsolete.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 March 6, 2023 DDI_DEV_NINTRS(9F)
