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

NAME

       usb_string_descr - USB string descriptor

SYNOPSIS

       #include <sys/usb/usba.h>

INTERFACE LEVEL

       Solaris DDI specific (Solaris DDI)

DESCRIPTION

       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 www.usb.org.

       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
					      string.

ATTRIBUTES

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

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Architecture		     |PCI-based systems 	   |
       +-----------------------------+-----------------------------+
       |Interface stability	     |Committed 		   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWusbu			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       attributes(5),	  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)

SunOS 5.11							    5 Jan 2004						      usb_string_descr(9S)