xref: /titanic_41/usr/src/man/man9f/usb_get_addr.9f (revision 6319b0c72e1681f79a5f33dfa976a63eedd4a2a4)
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Copyright (c) 2004, Sun Microsystems, Inc., All Rights Reserved
The contents of this file are subject to the terms of the Common Development and Distribution License (the "License"). You may not use this file except in compliance with the License.
You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE or http://www.opensolaris.org/os/licensing. See the License for the specific language governing permissions and limitations under the License.
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" "SunOS 5.11" "Kernel Functions for Drivers"
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 TYPEATTRIBUTE VALUE
ArchitecturePCI-based systems
Interface stabilityCommitted
SEE ALSO

attributes(5), usb_pipe_open(9F)