USB_GET_ADDR(9F) Kernel Functions for Drivers USB_GET_ADDR(9F)

usb_get_addr - Retrieve device USB address

#include <sys/usb/usba.h>
int usb_get_addr(dev_info_t *dip);

illumos DDI specific (illumos DDI)

dip
Pointer to the device's dev_info structure.

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.

On success: USB device address.

On failure: returns 0. Fails if dip is NULL.

May be called from user, kernel or interrupt context.


int usb_addr;
usb_addr = usb_get_addr(dip);

See attributes(5) for descriptions of the following attributes:

ATTRIBUTE TYPE ATTRIBUTE VALUE
Architecture PCI-based systems
Interface stability Committed

attributes(5), usb_pipe_xopen(9F)
September 16, 2016 OmniOS