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usb_dev_descr (9)
  • >> usb_dev_descr (9) ( Solaris man: Ядро )
  •  

    NAME

    usb_dev_descr - USB device descriptor
     
    

    SYNOPSIS

    #include <sys/usb/usba.h> 
    

     

    INTERFACE LEVEL

    Solaris DDI specific (Solaris DDI)  

    DESCRIPTION

    The usb_dev_descr_t device descriptor defines device-wide attributes. Please refer to Section 9.6.1 of the USB 2.0 specification. The USB 2.0 specification is available at www.usb.org.

    The device descriptor is retrieved from a USB device during device enumeration and can be accessed via usb_get_dev_data(9F).

    A device descriptor contains the following fields:

     uint8_t     bLength             Size of this descriptor,
                                     in bytes.
    
     uint8_t     bDescriptorType     Set to USB_DESCR_TYPE_DEV.
    
     uint16_t    bcdUSB              USB specification release
                                     number supported, in bcd.
    
     uint8_t     bDeviceClass        Class code (see below).
    
     uint8_t     bDeviceSubClass     Subclass code (see USB 2.0
                                     specification of applicable
                                     device class for information.)
    
     uint8_t     bDeviceProtocol     Protocol code (see USB 2.0
                                     specification of applicable
                                     device class for information.)
    
     uint8_t     bMaxPacketSize0     Maximum packet size of
                                     endpoint 0.
    
     uint16_t    idVendor            vendor ID value.
    
     uint16_t    idProduct           product ID value.
    
     uint16_t    bcdDevice           Device release number in
                                     binary coded decimal.
    
     uint8_t     iManufacturer       Index of optional manufacturer
                                     description string.
                                     Valid if > 0.
    
     uint8_t     iProduct            Index of optional product
                                     description string.
                                     Valid if > 0.
    
     uint8_t     iSerialNumber       Index of optional serial
                                     number string.
                                     Valid if > 0.
    
     uint8_t     bNumConfigurations  Number of available
                                     configurations.
    
    
     Device descriptors bDeviceClass values:
    
     USB_CLASS_PER_INTERFACE         Class information is at
                                     interface level.
    
     USB_CLASS_COMM                  CDC control device class.
    
     USB_CLASS_DIAG                  Diagnostic device class.
    
     USB_CLASS_HUB                   HUB device class.
    
     USB_CLASS_MISC                  MISC device class.
    
     USB_CLASS_VENDOR_SPEC           Vendor-specific class.
    
     USB_CLASS_WIRELESS              Wireless controller
                                     device class.
    
                           
    

     

    ATTRIBUTES

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

    ATTRIBUTE TYPEATTRIBUTE VALUE

    ArchitecturePCI-based systems

    Interface stability

    Availability

     

    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_cfg_descr(9S), usb_ctrl_request(9S), usb_dev_qlf_descr(9S), usb_ep_descr(9S), usb_if_descr(9S), usb_other_speed_cfg_descr(9S), usb_string_descr(9S)


     

    Index

    NAME
    SYNOPSIS
    INTERFACE LEVEL
    DESCRIPTION
    ATTRIBUTES
    SEE ALSO


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