USB_STRING_DESCR(9S) Data Structures for Drivers USB_STRING_DESCR(9S)

usb_string_descr - USB string descriptor

#include <sys/usb/usba.h>

illumos DDI specific (illumos DDI)

The usb_string_descr_t string descriptor defines the attributes of a string, including size and Unicode language ID. Other USB descriptors may have string descriptor index fields which refer to specific string descriptors retrieved as part of a device's configuration.

Please refer to Section 9.6.7 of the USB 2.0 specification. The USB 2.0 specification is available at

A string descriptor has the following fields:

uint8_t       bLength                Size of this descriptor,

in bytes. uint8_t bDescriptorType Set to USB_DESCR_TYPE_STRING. uint16_t bString[1]; Variable length Unicode encoded

See attributes(7) for descriptions of the following attributes:

Architecture PCI-based systems
Interface stability Committed

attributes(7), usb_get_alt_if(9F), usb_get_cfg(9F), usb_get_dev_data(9F), usb_get_string_descr(9F), usb_parse_data(9F), usb_ctrl_request(9S)

January 5, 2004 OmniOS