Query: usb_if_descr
OS: opensolaris
Section: 9s
Format: Original Unix Latex Style Formatted with HTML and a Horizontal Scroll Bar
usb_if_descr(9S) Data Structures for Drivers usb_if_descr(9S)NAMEusb_if_descr - USB interface descriptorSYNOPSIS#include <sys/usb/usba.h>INTERFACE LEVELSolaris DDI specific (Solaris DDI)DESCRIPTIONThe usb_if_descr_t interface descriptor defines attributes of an interface. A configuration contains one or more interfaces. An interface contains one or more endpoints. Please refer to Section 9.6.5 of the USB 2.0 specification. The USB 2.0 specification is available at www.usb.org. One or more configuration descriptors are retrieved from a USB device during device enumeration. They can be accessed via usb_get_dev_data(9F). A interface descriptor has the following fields: uint8_t bLength Size of this descriptor in bytes. uint8_t bDescriptorType Set to USB_DESCR_TYPE_IF. uint8_t bInterfaceNumber Interface number (0-based). uint8_t bAlternateSetting Alternate setting number for this interface and its endpoints (0-based). uint8_t bNumEndpoints Number of endpoints, excluding endpoint 0. uint8_t bInterfaceClass Interface Class code (see below). uint8_t bInterfaceSubClass Sub class code. (See USB 2.0 specification of applicable interface class for information.) uint8_t bInterfaceProtocol Protocol code. (See USB 2.0 specification of applicable interface class for information.) uint8_t iInterface Index of optional string describing this interface Valid if > 0. Pass to usb_get_string_descr(9F) to retrieve string. USB 2.0 specification interface descriptor bInterfaceClass field values are as follows: USB_CLASS_APP Application-specific interface class USB_CLASS_AUDIO Audio interface class USB_CLASS_CCID Chip/Smartcard interface class USB_CLASS_CDC_CTRL CDC control interface class USB_CLASS_CDC_DATA CDC data interface class USB_CLASS_SECURITY Content security interface class USB_CLASS_DIAG Diagnostic interface class USB_CLASS_HID HID interface class USB_CLASS_HUB HUB interface class USB_CLASS_MASS_STORAGE Mass storage interface class USB_CLASS_PHYSICAL Physical interface class USB_CLASS_PRINTER Printer interface class USB_CLASS_VENDOR_SPEC Vendor-specific interface class USB_CLASS_WIRELESS Wireless interface classATTRIBUTESSee attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Architecture |PCI-based systems | +-----------------------------+-----------------------------+ |Interface stability |Committed | +-----------------------------+-----------------------------+ |Availability |SUNWusbu | +-----------------------------+-----------------------------+SEE ALSOattributes(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_cfg_descr(9S), usb_ctrl_request(9S), usb_dev_descr(9S), usb_dev_qlf_descr(9S), usb_ep_descr(9S), usb_other_speed_cfg_descr(9S), usb_string_descr(9S) SunOS 5.11 5 Jan 2004 usb_if_descr(9S)
Related Man Pages |
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usb_dev_descr(9s) - opensolaris |
usb_cfg_descr(9s) - opensolaris |
usb_if_descr(9s) - sunos |
usb_ctrl_request(9s) - sunos |
device::usb::devinterface(3pm) - debian |
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