xref: /titanic_50/usr/src/man/man9f/usb_get_addr.9f (revision f3390f39074f3a68f54318e83a9801b156b0f5d3)
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Copyright (c) 2004, Sun Microsystems, Inc., All Rights Reserved
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When distributing Covered Code, include this CDDL HEADER in each file and include the License file at usr/src/OPENSOLARIS.LICENSE. If applicable, add the following below this CDDL HEADER, with the fields enclosed by brackets "[]" replaced with your own identifying information: Portions Copyright [yyyy] [name of copyright owner]
USB_GET_ADDR 9F "Feb 9, 2004"
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 Committed
SEE ALSO

attributes(5), usb_pipe_open(9F)