[Virtio-fs] [PATCH v2 0/2] Add virtio-fs (experimental)

Dr. David Alan Gilbert dgilbert at redhat.com
Fri Aug 23 17:57:43 UTC 2019


Oops, ment to cc mst on this:

* Dr. David Alan Gilbert (git) (dgilbert at redhat.com) wrote:
> From: "Dr. David Alan Gilbert" <dgilbert at redhat.com>
> 
> Hi,
>   This pair of patches adds the core of the virtio-fs support to qemu;
> it's marked experimental since the kernel patch and spec changes aren't
> in yet; but they're bubbling along.
> 
>   While the spec change is still in progress; the ID number is already
> reserved.
> 
>   A future set of patches will add the optional DAX mapping support.
> 
>   The actual qemu change is pretty minimal, since it's really only
> a virtio device with some queues.
> 
> Some links:
>   Mailing list: https://www.redhat.com/mailman/listinfo/virtio-fs
>   Dev tree: Including filesystem daemon: https://gitlab.com/virtio-fs/qemu
>   kernel: https://gitlab.com/virtio-fs/linux
>   virtio spec changes: https://lists.oasis-open.org/archives/virtio-dev/201908/msg00104.html
> 
> v2:
>   Renamed num_queues to num_request_queues
>   Add a not-reached assert to vuf_handle_output
>   Kill the one bit of notification queue off
>   Use the same trick as vhost-user-scsi to calculate the number
>     of vectors for the PCI device
> 
> Dr. David Alan Gilbert (2):
>   virtio: add vhost-user-fs base device
>   virtio: add vhost-user-fs-pci device
> 
>  configure                                   |  13 +
>  hw/virtio/Makefile.objs                     |   2 +
>  hw/virtio/vhost-user-fs-pci.c               |  85 ++++++
>  hw/virtio/vhost-user-fs.c                   | 297 ++++++++++++++++++++
>  include/hw/virtio/vhost-user-fs.h           |  45 +++
>  include/standard-headers/linux/virtio_fs.h  |  41 +++
>  include/standard-headers/linux/virtio_ids.h |   1 +
>  7 files changed, 484 insertions(+)
>  create mode 100644 hw/virtio/vhost-user-fs-pci.c
>  create mode 100644 hw/virtio/vhost-user-fs.c
>  create mode 100644 include/hw/virtio/vhost-user-fs.h
>  create mode 100644 include/standard-headers/linux/virtio_fs.h
> 
> -- 
> 2.21.0
> 
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> Virtio-fs at redhat.com
> https://www.redhat.com/mailman/listinfo/virtio-fs
--
Dr. David Alan Gilbert / dgilbert at redhat.com / Manchester, UK




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