Hi Avi - Probably you can answer this question?

Thx,

Venkat


-----Original Message-----
From: kvm-ow...@vger.kernel.org [mailto:kvm-ow...@vger.kernel.org] On Behalf Of 
Kumar, Venkat
Sent: Tuesday, April 28, 2009 4:16 PM
To: kvm@vger.kernel.org
Subject: Notification from Qemu to Guest

I have emulated a PCI device on Qemu and hooked my sample/simple driver to that 
virtio device on the guest.

I am testing the notification from Guest-Qemu and vice-versa.

I am able to notify from Guest to Qemu but Qemu-Guest notification is not 
happening.

As a part of "Kick" routine in my guest driver I could see the notification 
happening from Guest-Qemu and In the Qemu process as a part of handle output 
for the emulated device I am simply doing  "virtio_notify(vdev, vq)" but I 
don't see my callback getting called which is already registered as a part of 
"find_vq" in guest driver's probe.

BTW, the emulated device is allocated with "GSI 11" where as for other emulated 
devices like "virtio-blk" is associated with GSI 10 which I found in "dmesg's". 
Is this a reason why interrupt is not delivered from Qemu-Guest?

Any clues?

Thx,

Venkat

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