Re: [Qemu-devel] [PATCH 0/2] usb-ccid device (v2)

2010-10-14 Thread Robert Relyea
On 10/14/2010 03:16 PM, Anthony Liguori wrote: > On 10/14/2010 05:03 PM, Robert Relyea wrote: >>> Remote device passthrough is just a special case of passthrough. >>> It's got interesting characteristics in that unlike local device >>> passthrough, if you preserve the connection to the remove devi

Re: [Qemu-devel] [PATCH 0/2] usb-ccid device (v2)

2010-10-14 Thread Anthony Liguori
On 10/14/2010 05:03 PM, Robert Relyea wrote: Remote device passthrough is just a special case of passthrough. It's got interesting characteristics in that unlike local device passthrough, if you preserve the connection to the remove device, migration is still possible. However, remote device

Re: [Qemu-devel] [PATCH 0/2] usb-ccid device (v2)

2010-10-14 Thread Robert Relyea
On 10/14/2010 11:52 AM, Anthony Liguori wrote: > On 10/14/2010 01:37 PM, Robert Relyea wrote: >> Anthony Liguori wrote: >> >> >>> > And how does the smart card state get migrated during migration? How >>> > do you keep it synced with QEMU? >>> > >>> > I don't understand the use-case behind this.

Re: [Qemu-devel] [PATCH 0/2] usb-ccid device (v2)

2010-10-14 Thread Anthony Liguori
On 10/14/2010 01:37 PM, Robert Relyea wrote: Anthony Liguori wrote: > And how does the smart card state get migrated during migration? How > do you keep it synced with QEMU? > > I don't understand the use-case behind this. Is this so that a local > physical smart card can be passed thro

Re: [Qemu-devel] [PATCH 0/2] usb-ccid device (v2)

2010-10-14 Thread Robert Relyea
Anthony Liguori wrote: > > And how does the smart card state get migrated during migration? How > > do you keep it synced with QEMU? > > > > I don't understand the use-case behind this. Is this so that a local > > physical smart card can be passed through to a guest from a Spice > > client and wh

Re: [Qemu-devel] [PATCH 0/2] usb-ccid device (v2)

2010-10-13 Thread Alon Levy
- "Anthony Liguori" wrote: > On 10/12/2010 12:09 PM, Alon Levy wrote: > > The smart card is not being migrated. It is running on the client > machine, > > which is not being migrated/shutdown (same as vncviewer isn't > migrated). > > > > > > Ok, let's look at this compared to another si

Re: [Qemu-devel] [PATCH 0/2] usb-ccid device (v2)

2010-10-12 Thread Anthony Liguori
On 10/12/2010 12:09 PM, Alon Levy wrote: The smart card is not being migrated. It is running on the client machine, which is not being migrated/shutdown (same as vncviewer isn't migrated). Ok, let's look at this compared to another similar use-case: USB passthrough of a webcam device that

Re: [Qemu-devel] [PATCH 0/2] usb-ccid device (v2)

2010-10-12 Thread Alon Levy
- "Anthony Liguori" wrote: > On 10/12/2010 11:43 AM, Alon Levy wrote: > > - "Anthony Liguori" wrote: > > > > > >> On 10/12/2010 11:03 AM, Alon Levy wrote: > >> > >>> - "Anthony Liguori" wrote: > >>> > >>> > >>> > On 10/12/2010 07:58 AM, Alon Levy wrote: > >>

Re: [Qemu-devel] [PATCH 0/2] usb-ccid device (v2)

2010-10-12 Thread Anthony Liguori
On 10/12/2010 11:43 AM, Alon Levy wrote: - "Anthony Liguori" wrote: On 10/12/2010 11:03 AM, Alon Levy wrote: - "Anthony Liguori" wrote: On 10/12/2010 07:58 AM, Alon Levy wrote: This patch adds a new device, it is described in full in the

Re: [Qemu-devel] [PATCH 0/2] usb-ccid device (v2)

2010-10-12 Thread Alon Levy
- "Anthony Liguori" wrote: > On 10/12/2010 11:03 AM, Alon Levy wrote: > > - "Anthony Liguori" wrote: > > > > > >> On 10/12/2010 07:58 AM, Alon Levy wrote: > >> > >>> This patch adds a new device, it is described in full in the > second > >>> > >> patch > >> > >>>

Re: [Qemu-devel] [PATCH 0/2] usb-ccid device (v2)

2010-10-12 Thread Anthony Liguori
On 10/12/2010 11:03 AM, Alon Levy wrote: - "Anthony Liguori" wrote: On 10/12/2010 07:58 AM, Alon Levy wrote: This patch adds a new device, it is described in full in the second patch intro and also in the documentation in docs. In brief it provides a sta

Re: [Qemu-devel] [PATCH 0/2] usb-ccid device (v2)

2010-10-12 Thread Alon Levy
- "Anthony Liguori" wrote: > On 10/12/2010 07:58 AM, Alon Levy wrote: > > This patch adds a new device, it is described in full in the second > patch > > intro and also in the documentation in docs. In brief it provides a > standard > > smart card reader device. > > > > The first patch is th

Re: [Qemu-devel] [PATCH 0/2] usb-ccid device (v2)

2010-10-12 Thread Anthony Liguori
On 10/12/2010 07:58 AM, Alon Levy wrote: This patch adds a new device, it is described in full in the second patch intro and also in the documentation in docs. In brief it provides a standard smart card reader device. The first patch is the configure change and docs. The second patch contains th

[Qemu-devel] [PATCH 0/2] usb-ccid device (v2)

2010-10-12 Thread Alon Levy
This patch adds a new device, it is described in full in the second patch intro and also in the documentation in docs. In brief it provides a standard smart card reader device. The first patch is the configure change and docs. The second patch contains the actual device, I couldn't figure out a go

Re: [Qemu-devel] [PATCH 0/2] USB CCID device

2010-10-07 Thread Anthony Liguori
On 10/06/2010 05:12 PM, Alon Levy wrote: Actually, both are possible - but the later is the interesting use case (the former is mainly for debugging). To elaborate: the device is meant to allow a hardware reader to be available to the guest while still being available to the client (which is runn

Re: [Qemu-devel] [PATCH 0/2] USB CCID device

2010-10-07 Thread Anthony Liguori
On 10/07/2010 02:39 AM, Alon Levy wrote: - "Anthony Liguori" wrote: On 10/06/2010 03:55 AM, Gerd Hoffmann wrote: On 10/06/10 02:28, Alon Levy wrote: Does this work with live migration? I can't see how it would. No, it doesn't right now. It would

Re: [Qemu-devel] [PATCH 0/2] USB CCID device

2010-10-07 Thread Alon Levy
- "Anthony Liguori" wrote: > On 10/06/2010 03:55 AM, Gerd Hoffmann wrote: > > On 10/06/10 02:28, Alon Levy wrote: > >> > >>> > >>> Does this work with live migration? I can't see how it would. > >>> > >> > >> No, it doesn't right now. It would require cooperation with the > client, > >> to

Re: [Qemu-devel] [PATCH 0/2] USB CCID device

2010-10-07 Thread Gerd Hoffmann
On 10/06/10 21:00, Anthony Liguori wrote: Better yet, mark the guest as unmigrateable and let the management tool unplug the usb device before migration and replug it after migration. Yep, that will work too. cheers, Gerd

Re: [Qemu-devel] [PATCH 0/2] USB CCID device

2010-10-06 Thread Alon Levy
- "Anthony Liguori" wrote: > On 10/05/2010 07:28 PM, Alon Levy wrote: > > - "Anthony Liguori" wrote: > > > > > >> On 10/05/2010 04:32 PM, Alon Levy wrote: > >> > >>> This patch adds a new device, it is described in full in the > second > >>> > >> patch > >> > >>>

Re: [Qemu-devel] [PATCH 0/2] USB CCID device

2010-10-06 Thread Alon Levy
- "Anthony Liguori" wrote: > On 10/06/2010 03:55 AM, Gerd Hoffmann wrote: > > On 10/06/10 02:28, Alon Levy wrote: > >> > >>> > >>> Does this work with live migration? I can't see how it would. > >>> > >> > >> No, it doesn't right now. It would require cooperation with the > client, > >> to

Re: [Qemu-devel] [PATCH 0/2] USB CCID device

2010-10-06 Thread Anthony Liguori
On 10/06/2010 03:55 AM, Gerd Hoffmann wrote: On 10/06/10 02:28, Alon Levy wrote: Does this work with live migration? I can't see how it would. No, it doesn't right now. It would require cooperation with the client, to tell it to reconnect to the target qemu (kind of like spice). I think

Re: [Qemu-devel] [PATCH 0/2] USB CCID device

2010-10-06 Thread Anthony Liguori
On 10/05/2010 07:28 PM, Alon Levy wrote: - "Anthony Liguori" wrote: On 10/05/2010 04:32 PM, Alon Levy wrote: This patch adds a new device, it is described in full in the second patch intro and also in the documentation in docs. In brief it provides a sta

Re: [Qemu-devel] [PATCH 0/2] USB CCID device

2010-10-06 Thread Gerd Hoffmann
On 10/06/10 02:28, Alon Levy wrote: Does this work with live migration? I can't see how it would. No, it doesn't right now. It would require cooperation with the client, to tell it to reconnect to the target qemu (kind of like spice). I think until we have this migration should have pret

Re: [Qemu-devel] [PATCH 0/2] USB CCID device

2010-10-05 Thread Alon Levy
- "Anthony Liguori" wrote: > On 10/05/2010 04:32 PM, Alon Levy wrote: > > This patch adds a new device, it is described in full in the second > patch > > intro and also in the documentation in docs. In brief it provides a > standard > > smart card reader device. > > > > The first patch is th

Re: [Qemu-devel] [PATCH 0/2] USB CCID device

2010-10-05 Thread Anthony Liguori
On 10/05/2010 04:32 PM, Alon Levy wrote: This patch adds a new device, it is described in full in the second patch intro and also in the documentation in docs. In brief it provides a standard smart card reader device. The first patch is the configure change and docs. The second patch contains th

[Qemu-devel] [PATCH 0/2] USB CCID device

2010-10-05 Thread Alon Levy
This patch adds a new device, it is described in full in the second patch intro and also in the documentation in docs. In brief it provides a standard smart card reader device. The first patch is the configure change and docs. The second patch contains the actual device, I couldn't figure out a go