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Re: [Qemu-devel] [PATCH -V2 00/22] virtio-9p: paravirtual file system pa
From: |
Aneesh Kumar K. V |
Subject: |
Re: [Qemu-devel] [PATCH -V2 00/22] virtio-9p: paravirtual file system passthrough |
Date: |
Wed, 24 Mar 2010 09:28:36 +0530 |
On Tue, 23 Mar 2010 20:17:33 -0300, Luiz Capitulino <address@hidden> wrote:
> On Tue, 16 Mar 2010 14:44:58 +0530
> "Aneesh Kumar K.V" <address@hidden> wrote:
>
> > Hi,
> >
> >
> > This patch series adds a paravirtual file system passthrough mechanism to
> > QEMU
> > based on the 9P protocol. With the current implementation, all I/O is
> > implemented
> > in the VCPU thread. We've modified the protocol handlers so that we can
> > support
> > dispatch I/O in a thread pool. The actual thread pool implementation will
> > be posted later
> >
> > This patch set should work with any recent Linux kernel as virtio-9p has
> > been
> > supported for a few kernel releases now. Export dir is specified using the
> > below
> > Qemu option.
> >
> > -device virtio-9p-pci,share_path=/mnt/,mount_tag=v_mnt
> >
> > mount_tag is used to identify the mount point in the kernel. This will be
> > available in Linux
> > kernel via /sys/devices/virtio-pci/virtio1/mount_tag file.
>
> I tried this very '-device' line and I can see that the guest has loaded
> the virtio modules, but there isn't anything in the virtio0 directory other
> than standard sysfs files.
>
> Is there a way to debug this?
>
which version of the kernel ? The latest linus tree have all the needed
changes. You should have /sys/bus/virtio/drivers/9pnet_virtio/ if you
have CONFIG_NET_9P_VIRTIO enabled. You can then find mount tag at
virtio<n>/mount_tag
> Something possibly related is that, I had to rewind the tree by some commits
> because this series doesn't apply against current HEAD.
The patches are against 0aef4261ac0ec9089ade0e3a92f986cb4ba7317e of the
master branch
-aneesh
- [Qemu-devel] [PATCH -v2 17/22] Implement sync support in 9p server, (continued)
- [Qemu-devel] [PATCH -v2 17/22] Implement sync support in 9p server, Aneesh Kumar K.V, 2010/03/16
- [Qemu-devel] [PATCH -v2 16/22] virtio-9p: Add support for hardlink, Aneesh Kumar K.V, 2010/03/16
- [Qemu-devel] [PATCH -v2 21/22] virtio-9p: Remove unnecessary definition of fid, Aneesh Kumar K.V, 2010/03/16
- [Qemu-devel] [PATCH -v2 22/22] virtio-9p: Update existing fid path on rename, Aneesh Kumar K.V, 2010/03/16
- [Qemu-devel] [PATCH -v2 10/22] virtio-9p: Implement P9_TCREATE, Aneesh Kumar K.V, 2010/03/16
- [Qemu-devel] [PATCH -v2 15/22] virtio-9p: Use little endian format on virtio, Aneesh Kumar K.V, 2010/03/16
- [Qemu-devel] [PATCH -v2 20/22] virtio-9p: Remove BUG_ON and add proper error handling, Aneesh Kumar K.V, 2010/03/16
- [Qemu-devel] [PATCH -v2 19/22] virtio-9p: Get the correct count values from the pdu, Aneesh Kumar K.V, 2010/03/16
- [Qemu-devel] [PATCH -v2 13/22] virtio-9p: Implement P9_TFLUSH, Aneesh Kumar K.V, 2010/03/16
- Re: [Qemu-devel] [PATCH -V2 00/22] virtio-9p: paravirtual file system passthrough, Luiz Capitulino, 2010/03/23
- Re: [Qemu-devel] [PATCH -V2 00/22] virtio-9p: paravirtual file system passthrough,
Aneesh Kumar K. V <=