Re: UASP implementation for USB 3.0

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* Someshwar Danappa | 2011-12-30 22:34:17 [+0530]:

>Hi Sebastian,
Hi Someshwar,

>This is with reference to the mail exchange (below) I had with Felipe
>a couple of
>days ago regarding UASP support in Linux for USB 3.0.
>
>I have a working setup with my target board having USB 2.0 device
>controller where,
>I have a device node for a storage media which I use to load along with the
>g_mass_storage for target board to act as a usb storage device when
>connected to the host system. With the UASP in picture here, I am assuming
>it supports only 2.0 USB protocol and will need changes for usb 3.0
>enabled target.

If I'm right, then g_mass_storage contains SS descriptors. The UASP
gadget I have is self contained and supports only the UAS protocol. It
has been tested so far on usb2.0 and usb3.0. On USB3.0 it supports USB
streams.

>Can you please give me access to the UASP code working with USB 3.0
>which you have implemented so that I can study the enhancements.

If you look through the mailing list of google for the thread "[RFC]
UASP gadget using target framework" you should get the latest thing I
posted. You also need a bunch of patches which are pending to get UAS
(host side) to work on HS speed.
I try to clean up patches and once everything is in shape to re-post it
this week.

>Also, for which target framework was this used on?
That one mainline should be fine by now. It lives in drivers/target.

>Thanks in advance.

Sebastian
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