Hello,
Forgive my ignorance : (I don't know much about USB)
what does IDC stand for in the contetx of Xen USB?
is it some type of connector " (
(by gogoling I found many results , like: IDC connector,
Internet Direct Connection and others)
TIA
M.
On 2/1/06, Nivedita Singhvi <nsnix@xxxxxxxxxxx> wrote:
> Since Harry Butterworth, who's been working on the USB
> virtualization couldn't attend the Xen Summit, I sat in
> for him and am providing this summary:
>
> Here were the options under consideration:
>
> 1. Xen includes current patch Harry had put out, which
> includes his IDC API.
> 2. Harry puts out a simpler USB driver without his IDC
> API, written directly to the current Xen bus/store API,
> and reducing to only features deemed needed for Xen,
> see if that will be accepted into tree.
> 3. Examine USBoverIP patches (currently in -mm tree)
> and see if those provide all the functionality we
> need.
> 4. Throw away everything and have someone else rewrite
> from scratch.
>
> There was a brief discussion at the Client (Graphics,
> USB...) session on USB. Ewan and several community folks
> were present. Opinions expressed:
>
> - Harry's IDC code and current code will not make it
> into tree as is [consensus]
> - IDC piece very unlikely to be accepted into Linux mainline,
> hence should not go into Xen tree
> - API code is orthogonal to USB driver piece, should be
> a seperate patch/discussion [consensus]
> - Best option is (2), rewrite code to leaner, simpler
> USB driver with minimal functionality, and get that into
> tree
> - Noone in session had looked at USBoverIp patches
> - There were some good ideas in the IDC API that needed
> to be discussed/incorporated in Xen
>
> Other input/questions received:
> - Need to get USB community input
> - What were the issues that were left? Are they resolved?
> If so, what's the current working state of the patch?
> - Keir: rewrite to a simpler driver without the IDC API
> as the xenbus/store stuff is pretty baked into Xen now,
> might want to do some cleanups in this area.
> - Ian: look at USBoverIP, tried it and it seems to
> work, but not sure if that's the right solution
>
> Current Issues/Design questions:
> - Harry's code supports back/front module load/unload
> (useful during development, if nothing else).
> - Harry's code is not written to Ewan's last common
> code pullout API
> - What other code functionality can be dropped in order
> to make it smaller?
>
> [All misrepresentations and errors are mine, I'm operating
> from memory and on occasion what I heard over the crowd noise :)]
>
> Hope that initiates the necessary conversation on this...
>
> thanks,
> Nivedita
>
>
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>
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