Checking guest memory pages changes from host userspace

2009-06-19 Thread Passera, Pablo R
Hi list, I need to monitor some guest memory pages. I need to know if the information in these pages was changed. For this, I was thinking to mark the guest memory pages in some way (like write protecting them) so a page fault is generated. Then manage this fault inside qemu. Is there

RE: Status of pci passthrough work?

2009-05-29 Thread Passera, Pablo R
. Do you think this is possible? Thanks, Pablo -Original Message- From: kvm-ow...@vger.kernel.org [mailto:kvm-ow...@vger.kernel.org] On Behalf Of Amit Shah Sent: Friday, May 15, 2009 10:38 AM To: Passera, Pablo R Cc: kvm@vger.kernel.org Subject: Re: Status of pci passthrough work? On (Fri

RE: Status of pci passthrough work?

2009-05-15 Thread Passera, Pablo R
option? It would be great if you can send me the .config file that you used to compile it, just to check the options. Thanks, Pablo -Original Message- From: Amit Shah [mailto:amit.s...@redhat.com] Sent: Friday, May 15, 2009 8:00 AM To: Passera, Pablo R Cc: kvm@vger.kernel.org Subject: Re

RE: Status of pci passthrough work?

2009-05-14 Thread Passera, Pablo R
Amit, I trying to use PVDMA. I've downloaded a kernel snapshot from the your kvm git, but I couldn't download a snapshot or the repo from your kvm-userspace tree. I tried to launch the VM using kvm-85 user space but it hangs before loading it. Should it work with kvm-85 user space? Do

RE: Problem doing pci passthrough of the network card without VT-d

2009-05-13 Thread Passera, Pablo R
is assigned_dev_iomem_map: e_phys=f202 r_virt=0x7f95bca9a000 type=0 len=0002 region_num=0 BUG: kvm_destroy_phys_mem: invalid parameters (slot=-1) Regards, Pablo -Original Message- From: Fischer, Anna [mailto:anna.fisc...@hp.com] Sent: Wednesday, May 13, 2009 2:22 PM To: Passera, Pablo R Cc: kvm

Problem doing pci passthrough of the network card without VT-d

2009-05-12 Thread Passera, Pablo R
Hi List, I am having problems to do pci passthrough to a network card without using VT-d. The card is present in the guest but with a different model (Intel Corporation 82801I Gigabit Ethernet Controller (rev 2)) and it does not work. The qemu line that I used is:

RE: Problem doing pci passthrough of the network card without VT-d

2009-05-12 Thread Passera, Pablo R
-stub :00:19.0: irq 29 for MSI/MSI-X pci-stub :00:19.0: irq 29 for MSI/MSI-X pci-stub :00:19.0: irq 29 for MSI/MSI-X Regards, Pablo -Original Message- From: Passera, Pablo R Sent: Tuesday, May 12, 2009 12:14 PM To: kvm@vger.kernel.org Subject: Problem doing pci passthrough

RE: [PATCH] reserved-ram for pci-passthrough without VT-d capable hardware

2009-05-05 Thread Passera, Pablo R
machine? - What should I see after starting the vm? Should the vm take ownership of the video card? Thanks, Pablo -Original Message- From: Andrea Arcangeli [mailto:aarca...@redhat.com] Sent: Tuesday, April 28, 2009 3:06 PM To: Passera, Pablo R Cc: kvm@vger.kernel.org Subject: Re: [PATCH

RE: [PATCH] reserved-ram for pci-passthrough without VT-d capable hardware

2009-04-28 Thread Passera, Pablo R
, Pablo R Cc: kvm@vger.kernel.org Subject: Re: [PATCH] reserved-ram for pci-passthrough without VT-d capable hardware Hello Pablo, On Mon, Apr 27, 2009 at 11:00:51AM -0600, Passera, Pablo R wrote: Andrea, We are working with embedded hardware that does not have VT-d and we need 1-1 mapping

Re: [PATCH] reserved-ram for pci-passthrough without VT-d capable hardware

2009-04-27 Thread Passera, Pablo R
Andrea, We are working with embedded hardware that does not have VT-d and we need 1-1 mapping. I wonder which is the status of this patch. Have you continued updating it with the latest KVM version? Regards, Pablo On Wed, Jul 30, 2008 at 05:16:06PM +0300, Dor Laor wrote: In addition

'virtio DMA to IO ram' error

2008-12-30 Thread Passera, Pablo R
Hi everybody, I am trying to implement a new virtio device. I have implemented the new device in Qemu and I also have the correspondent virtio driver in the guest. But when I get data in the device and I try to put that into the virtqueue using virtqueue_pop, the qemu instance crash

RE: 'virtio DMA to IO ram' error

2008-12-30 Thread Passera, Pablo R
...@vger.kernel.org [mailto:kvm-ow...@vger.kernel.org] On Behalf Of Passera, Pablo R Sent: Tuesday, December 30, 2008 10:50 AM To: kvm@vger.kernel.org Subject: 'virtio DMA to IO ram' error Hi everybody, I am trying to implement a new virtio device. I have implemented the new device in Qemu and I also

1-1 mapping of devices without VT-d

2008-12-01 Thread Passera, Pablo R
Hi everyone, I want to assign a PCI device directly to a VM (PCI passthrough) in a machine that does not have VT-d. I found something related with this in a presentation done at the 2008 KVM Forum called 1-1 mapping and a patch for this at