xref: /illumos-gate/usr/src/man/man9f/usb_get_addr.9f (revision d48be21240dfd051b689384ce2b23479d757f2d8)
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USB_GET_ADDR 9F "Sep 16, 2016"
NAME
usb_get_addr - Retrieve device USB address
SYNOPSIS
#include <sys/usb/usba.h>

int usb_get_addr(dev_info_t *dip);
INTERFACE LEVEL
illumos DDI specific (illumos 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(7) for descriptions of the following attributes:
ATTRIBUTE TYPE ATTRIBUTE VALUE
Architecture PCI-based systems
Interface stability Committed
SEE ALSO
attributes (7), usb_pipe_xopen (9F)