usb_get_addr(9F) Kernel Functions for Drivers usb_get_addr(9F)
NAME
usb_get_addr - Retrieve device USB address
SYNOPSIS
#include <sys/usb/usba.h>
int usb_get_addr(dev_info_t *dip);
INTERFACE LEVEL
Solaris DDI specific (Solaris DDI)
PARAMETERS
dip
Pointer to the device's dev_info structure.
DESCRIPTION
The usb_get_addr() function returns the current USB bus address for debugging purposes. The returned address is unique for a specific USB
bus, and may be replicated if multiple host controller instances are present on the system.
RETURN VALUES
On success: USB device address.
On failure: returns 0. Fails if dip is NULL.
CONTEXT
May be called from user, kernel or interrupt context.
EXAMPLES
int usb_addr;
usb_addr = usb_get_addr(dip);
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|Architecture |PCI-based systems |
+-----------------------------+-----------------------------+
|Interface stability |Evolving |
+-----------------------------+-----------------------------+
|Availability |SUNWusb |
+-----------------------------+-----------------------------+
SEE ALSO
attributes(5), usb_pipe_open(9F)
SunOS 5.10 Feb 9 2004 usb_get_addr(9F)
