VMWare USB fail

[Hans Petter Selasky]

On Friday 28 August 2009 00:24:44 Trevor Blackwell wrote:
> I'm working on a new driver for empia 28XX USB cameras, and since it
> needs isochronous support I'm upgrading to HPS's new stack. However,
> it doesn't seem to work at all under VMWare.
> I'm running yesterday's checkout of RELENG_8, under VMWare Fusion
> 1.1.2 on a Mac 10.5.8 host. That setup has worked well for me in the
> past developing USB drivers with the -7 kernel.
>
> Does the fact that this shows up as ugen instead of uhub mean that it
> doesn't recognize the hub at all?
>

The new kernel presents an ugen device for all devices present in the system. 
There should be a uhub device associated with your ugen device!

You could turn on uhub debugging if in doubt:

sysctl hw.usb.uhub.debug=15

--HPS

> ugen0.3: <product 0x0002 vendor 0x0e0f> at usbus0, cfg=0 md=HOST
> spd=FULL (12Mbps) pwr=SAVE
>
>    bLength = 0x0012
>    bDescriptorType = 0x0001
>    bcdUSB = 0x0110
>    bDeviceClass = 0x0009
>    bDeviceSubClass = 0x0000
>    bDeviceProtocol = 0x0000
>    bMaxPacketSize0 = 0x0008
>    idVendor = 0x0e0f
>    idProduct = 0x0002
>    bcdDevice = 0x0100
>    iManufacturer = 0x0000  <no string>
>    iProduct = 0x0001  <VMware Virtual USB Hub>
>    iSerialNumber = 0x0000  <no string>
>    bNumConfigurations = 0x0001
>
>
>   Configuration index 0
>
>      bLength = 0x0009
>      bDescriptorType = 0x0002
>      wTotalLength = 0x0019
>      bNumInterfaces = 0x0001
>      bConfigurationValue = 0x0001
>      iConfiguration = 0x0001  <VMware Virtual USB Hub>
>      bmAttributes = 0x00e0
>      bMaxPower = 0x0000
>
>      Interface 0
>        bLength = 0x0009
>        bDescriptorType = 0x0004
>        bInterfaceNumber = 0x0000
>        bAlternateSetting = 0x0000
>        bNumEndpoints = 0x0001
>        bInterfaceClass = 0x0009
>        bInterfaceSubClass = 0x0000
>        bInterfaceProtocol = 0x0000
>        iInterface = 0x0001  <VMware Virtual USB Hub>
>
>       Endpoint 0
>          bLength = 0x0007
>          bDescriptorType = 0x0005
>          bEndpointAddress = 0x0081
>          bmAttributes = 0x0003
>          wMaxPacketSize = 0x0001
>          bInterval = 0x00ff
>          bRefresh = 0x0000
>          bSynchAddress = 0x0000
>
> --
> Trevor Blackwell		650 776 7870	tlb at tlb.org
>