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Anleitung Zusammenfassung
Understanding the HP-UX USB ioscan
Introduction
This document describes the ioscan output for the HP-UX 11iv2 and 11iv3
updated USB driver. Please refer to the following document for support
and update notes for this USB driver, “Update to USB Driver Support on
HPUX 11iv3”, December 15, 2008.
Sample USB Controller and Device ioscan
The following sample is a section of a system ioscan output showing the
discovered USB controllers and devices. Notice that there are 3 NEC USB
controllers. The first 2 USB controllers are OHCI (Open Host Controller
Interface) controllers for low and full speed USB 1.0 and 1.1 devices.
The 3rd USB controller is an EHCI (Enhanced Host Controller Interface)
controller for high speed USB 2.0 devices.
The first OHCI USB controller
has a keyboard, a mouse, and a mass storage device attached. The second
OHCI USB controller has no devices attached. The third USB controller,
EHCI, has 2 mass storage devices attached.
Class I H/W Path
Driver S/W State H/W Type Description
========================================================================
…
usb 0 0/0/2/0 hcd
CLAIMED INTERFACE NEC OHCI Controller
usbcomp 0 0/0/2/0.1 usbcomposite CLAIMED DEVICE
USB Composite Device
usbhid 0 0/0/2/0.1.0 hid
CLAIMED DEVICE USB HID Kbd(0)
usbhid 1 0/0/2/0.1.1
hid
CLAIMED DEVICE USB HID Pointer(1)
usbms 0 0/0/2/0.1.2 ms
CLAIMED DEVICE USB Mass Storage [0]
usb 1 0/0/2/1 hcd CLAIMED INTERFACE NEC OHCI Controller
usb 2 0/0/2/2 ehci CLAIMED INTERFACE NEC EHCI Controller
usbms 2 0/0/2/2.2 ms CLAIMED DEVICE USB Mass Storage [1]
usbms 3 0/0/2/2.3 ms CLAIMED DEVICE USB Mass Storage [2]
…
Sample Mass Storage SCSI ioscan legacy view
The following sample is a section of ioscan output that shows the SCSI
interface nodes corresponding to the USB mass storage devices shown
above. This view is for 11iv2, and represents the legacy view for 11iv3.
Each of the USB mass storage devices has an associated SCSI sdisk node.
These nodes appear under the mass_storage driver, and are claimed by a
virtual SCSI bus (VIRTBUS).
The target number of the mass storage sdisk
can be used to refer back to the specific USB mass storage device
displayed under the USB controllers.
Class
I H/W Path
Driver
S/W State H/W Type Description
========================================================================
…
usbmsvbus 0 255/0
mass_storage CLAIMED VIRTBUS USB Mass Storage
ext_bus 1
255/0/0
usb_ms_scsi CLAIMED INTERFACE USB Mass Storage SCSI
target 4
255/0/0.0 tgt
CLAIMED DEVICE
disk
7
255/0/0.0.0 sdisk
CLAIMED DEVICE HP
target 2 255/0/0.1
tgt
CLAIMED DEVICE
disk 5 255/0/0.1.0 sdisk
CLAIMED DEVICE hp DriveKey II
target 3 255/0/0.2
tgt
CLAIMED DEVICE
disk 6 255/0/0.2.0 sdisk
CLAIMED DEVICE HP DVD Writer 630c
…
2
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