'\" te
.\" 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.
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.TH usb_get_addr 9F "Feb 9 2004" "SunOS 5.11" "Kernel Functions for Drivers"
.SH NAME
usb_get_addr \- Retrieve device USB address
.SH SYNOPSIS
.LP
.nf
#include <sys/usb/usba.h>

\fBint\fR \fB\fR\fBusb_get_addr\fR(\fBdev_info_t *\fR\fIdip\fR);
.fi

.SH INTERFACE LEVEL
.sp
.LP
Solaris DDI specific (Solaris DDI)
.SH PARAMETERS
.sp
.ne 2
.mk
.na
\fB\fIdip\fR\fR
.ad
.RS 7n
.rt  
Pointer to the device's dev_info structure.
.RE

.SH DESCRIPTION
.sp
.LP
The \fBusb_get_addr()\fR 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.
.SH RETURN VALUES
.sp
.LP
On success: USB device address.
.sp
.LP
On failure: returns 0. Fails if dip is NULL.
.SH CONTEXT
.sp
.LP
May be called from user, kernel or interrupt context.
.SH EXAMPLES
.sp
.in +2
.nf
int usb_addr;

usb_addr = usb_get_addr(dip);
.fi
.in -2

.SH ATTRIBUTES
.sp
.LP
See \fBattributes\fR(5) for descriptions of the following attributes:
.sp

.sp
.TS
tab() box;
cw(2.75i) |cw(2.75i) 
lw(2.75i) |lw(2.75i) 
.
ATTRIBUTE TYPEATTRIBUTE VALUE
_
ArchitecturePCI-based systems
_
Interface stabilityCommitted
.TE

.SH SEE ALSO
.sp
.LP
\fBattributes\fR(5), \fBusb_pipe_open\fR(9F)