Hi,
On Monday, May 13, 2024 7:53:40 PM GMT+5:30 Eugenio Perez Martin wrote:
> [...]
> > I have started working on implementing packed virtqueue support in
> > vhost-shadow-virtqueue.c. The changes I have made so far are very
> > minimal. I have one confusion as well.
> >
> > In "vhost_svq_add()"
On Mon, May 13, 2024 at 3:49 PM Sahil wrote:
>
> Hi,
>
> On Wednesday, May 8, 2024 8:53:12 AM GMT+5:30 Sahil wrote:
> > Hi,
> >
> > On Tuesday, May 7, 2024 12:44:33 PM IST Eugenio Perez Martin wrote:
> > > [...]
> > >
> > > > Shall I start by implementing a mechanism to check if the feature bit
>
Hi,
On Wednesday, May 8, 2024 8:53:12 AM GMT+5:30 Sahil wrote:
> Hi,
>
> On Tuesday, May 7, 2024 12:44:33 PM IST Eugenio Perez Martin wrote:
> > [...]
> >
> > > Shall I start by implementing a mechanism to check if the feature bit
> > > "VIRTIO_F_RING_PACKED" is set (using "virtio_vdev_has_featu
Hi,
On Tuesday, May 7, 2024 12:44:33 PM IST Eugenio Perez Martin wrote:
> [...]
> > Shall I start by implementing a mechanism to check if the feature bit
> > "VIRTIO_F_RING_PACKED" is set (using "virtio_vdev_has_feature")? And
> > if it's supported, "vhost_svq_add" should call "vhost_svq_add_packe
On Mon, May 6, 2024 at 9:00 PM Sahil wrote:
>
> Hi,
>
> It's been a while since I last gave an update. Sorry about that. I am ready
> to get my hands dirty and start with the implementation.
>
No worries!
> I have gone through the source of linux's drivers/virtio/virtio_ring.c [1],
> and
> QEMU
Hi,
It's been a while since I last gave an update. Sorry about that. I am ready
to get my hands dirty and start with the implementation.
I have gone through the source of linux's drivers/virtio/virtio_ring.c [1], and
QEMU's hw/virtio/virtio.c [2] and hw/virtio/vhost-shadow-virtqueue.c [3].
Befor
Hi,
Thank you for your reply.
On Tuesday, April 16, 2024 2:11:16 PM IST Eugenio Perez Martin wrote:
> [...]
> > After re-reading the linked articles, I think I have got some more
> > clarity. One confusion was related to the difference between vdpa
> > and vhost-vdpa.
> >
> > So far what I have
On Mon, Apr 15, 2024 at 9:42 PM Sahil wrote:
>
> Hi,
>
> Thank you for your reply.
>
> On Monday, April 15, 2024 2:27:36 PM IST Eugenio Perez Martin wrote:
> > [...]
> > > I have one question though. One of the options (use case 1 in [1])
> > >
> > > given to the "qemu-kvm" command is:
> > > > -de
Hi,
Thank you for your reply.
On Monday, April 15, 2024 2:27:36 PM IST Eugenio Perez Martin wrote:
> [...]
> > I have one question though. One of the options (use case 1 in [1])
> >
> > given to the "qemu-kvm" command is:
> > > -device virtio-net-pci,netdev=vhost-vdpa0,bus=pcie.0,addr=0x7\
> > >
On Sun, Apr 14, 2024 at 8:52 PM Sahil wrote:
>
> Hi,
>
> On Friday, April 5, 2024 12:36:02 AM IST Sahil wrote:
> > [...]
> > I'll set up this environment as well.
>
> I would like to post an update here. I spent the last week
> trying to set up the environment as described in the blog [1].
> I ini
Hi,
On Friday, April 5, 2024 12:36:02 AM IST Sahil wrote:
> [...]
> I'll set up this environment as well.
I would like to post an update here. I spent the last week
trying to set up the environment as described in the blog [1].
I initially tried to get the L1 VM running on my host machine
(Arch
Hi,
On Thursday, April 4, 2024 12:07:49 AM IST Eugenio Perez Martin wrote:
> On Wed, Apr 3, 2024 at 4:36 PM Sahil wrote:
> [...]
> > I would like to clarify one thing in the figure "Full two-entries
> > descriptor table". The driver can only overwrite a used descriptor in the
> > descriptor ring,
On Wed, Apr 3, 2024 at 4:36 PM Sahil wrote:
>
> Hi,
>
> Thank you for the reply.
>
> On Tuesday, April 2, 2024 5:08:24 PM IST Eugenio Perez Martin wrote:
> > [...]
> > > > > Q2.
> > > > > In the Red Hat article, just below the first listing ("Memory layout
> > > > > of a
> > > > > packed virtqueu
Hi,
Thank you for the reply.
On Tuesday, April 2, 2024 5:08:24 PM IST Eugenio Perez Martin wrote:
> [...]
> > > > Q2.
> > > > In the Red Hat article, just below the first listing ("Memory layout of
> > > > a
> > > > packed virtqueue descriptor"), there's the following line referring to
> > > >
On Tue, Apr 2, 2024 at 6:58 AM Sahil wrote:
>
> Hi,
>
> On Monday, April 1, 2024 11:53:11 PM IST daleyoung4...@gmail.com wrote:
> > Hi,
> >
> > On Monday, March 25, 2024 21:20:32 CST Sahil wrote:
> > > Q1.
> > > Section 2.7.4 of the virtio spec [3] states that in an available
> > > descriptor, the
Hi,
On Monday, April 1, 2024 11:53:11 PM IST daleyoung4...@gmail.com wrote:
> Hi,
>
> On Monday, March 25, 2024 21:20:32 CST Sahil wrote:
> > Q1.
> > Section 2.7.4 of the virtio spec [3] states that in an available
> > descriptor, the "Element Length" stores the length of the buffer element.
> >
Hi,
On Monday, March 25, 2024 21:20:32 CST Sahil wrote:
> Q1.
> Section 2.7.4 of the virtio spec [3] states that in an available descriptor,
> the "Element Length" stores the length of the buffer element. In the next
> few lines, it also states that the "Element Length" is reserved for used
> desc
Hi,
Thank you for your reply.
On Wednesday, March 20, 2024 9:27:00 PM IST Eugenio Perez Martin wrote:
> [...]
> > Q1.
> > Regarding the "Deep dive into Virtio-networking and vhost-net"
> > article [3], the "Introduction" subsection of the "Vhost protocol"
> > section mentions that sending the ava
On Mon, Mar 18, 2024 at 8:47 PM Sahil wrote:
>
> Hi,
>
> I was reading the "Virtqueues and virtio ring: How the data travels"
> article [1]. There are a few things that I have not understood in the
> "avail rings" section.
>
> Q1.
> Step 2 in the "Process to make a buffer available" diagram depict
On Sat, Mar 16, 2024 at 9:27 PM Sahil wrote:
>
> Hi,
>
> Thank you for your reply.
>
> On Friday, March 15, 2024 4:57:39 PM IST Eugenio Perez Martin wrote:
> > [...]
> > > Some sections in the above docs were difficult to grasp. For the time
> > > being, I have focused on those parts that I though
Hi,
I was reading the "Virtqueues and virtio ring: How the data travels"
article [1]. There are a few things that I have not understood in the
"avail rings" section.
Q1.
Step 2 in the "Process to make a buffer available" diagram depicts
how the virtio driver writes the descriptor index in the ava
Hi,
Thank you for your reply.
On Friday, March 15, 2024 4:57:39 PM IST Eugenio Perez Martin wrote:
> [...]
> > Some sections in the above docs were difficult to grasp. For the time
> > being, I have focused on those parts that I thought were relevant
> > to the project.
>
> Please feel free to a
On Fri, Mar 15, 2024 at 8:15 AM Sahil wrote:
>
> Hi,
>
> Thank you for your email.
>
> On Thursday, March 14, 2024 8:39:45 PM IST Eugenio Perez Martin wrote:
> > Hi Sahil,
> >
> > It's being hard to find a good self-contained small task related to
> > the project to be honest. As it would be out o
Hi,
Thank you for your email.
On Thursday, March 14, 2024 8:39:45 PM IST Eugenio Perez Martin wrote:
> Hi Sahil,
>
> It's being hard to find a good self-contained small task related to
> the project to be honest. As it would be out of SVQ, would it be ok
> for you if we start straight to the tas
On Fri, Mar 1, 2024 at 7:29 PM Sahil wrote:
>
> Hi,
>
> On Friday, March 1, 2024 1:10:49 PM IST you wrote:
> > [...]
> > You can add the recently published
> > "virtio-live-migration-technical-deep-dive" :) [1].
> >
> > [1]
> > https://developers.redhat.com/articles/2024/02/21/virtio-live-migratio
Hi,
On Friday, March 1, 2024 1:10:49 PM IST you wrote:
> [...]
> You can add the recently published
> "virtio-live-migration-technical-deep-dive" :) [1].
>
> [1]
> https://developers.redhat.com/articles/2024/02/21/virtio-live-migration-technical-deep-dive
Thank you. This resource will help me co
On Thu, Feb 29, 2024 at 9:32 AM Stefano Garzarella wrote:
>
> Hi Sahil,
>
> On Sun, Feb 25, 2024 at 10:38 PM Sahil wrote:
> >
> > Hi,
> >
> > My name is Sahil and I go by the pseudonym 'valdaarhun' on Github. I have
> > never contributed to QEMU before but I have used it a few times as an end
> >
Hi,
Thank you for your reply.
On Thursday, February 29, 2024 2:02:25 PM IST you wrote:
> [...]
> The first project is for sure related with migration. While vhost-user
> memory isolation is not really related to migration, but both are
> related to virtio devices.
> [...]
> Yeah, "bite-size" issu
Hi Sahil,
On Sun, Feb 25, 2024 at 10:38 PM Sahil wrote:
>
> Hi,
>
> My name is Sahil and I go by the pseudonym 'valdaarhun' on Github. I have
> never contributed to QEMU before but I have used it a few times as an end
> user. I developed an interest in virtualization during my internship at
> VMw
Hi,
My name is Sahil and I go by the pseudonym 'valdaarhun' on Github. I have
never contributed to QEMU before but I have used it a few times as an end
user. I developed an interest in virtualization during my internship at
VMware and would like to dive deeper in this subfield.
My current full-ti
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