Re: [Xen-devel] [PATCH RFC V2 0/5] pvusb toolstack work

[Ian Campbell <Ian.Campbell@xxxxxxxxxx>]

On Mon, 2015-01-19 at 16:28 +0800, Chunyan Liu wrote:
> This patch series is based on Simon's work. Since there is no progress
> after last August, I hope we can make this work proceed. Any comment will
> be very appreciated.
> 
> It adds pvusb toolstack implementation, with pvusb kernel side work,
> one could attach/detach a usb device to guest.

By any chance do you (or anyone else) have a link handy to the design
discussions for this stuff around the start of last year?

In particular I'm hoping for some reminder on what the
libxl_usbctrl_type / libxl_usb_type options mean.

Although this is PV USB only I think the intention was to leave a
suitable hole for HVM emulated USB support. Or am I mis-remembering?

[...]
>  tools/libxl/Makefile                 |    2 +-
>  tools/libxl/libxl.c                  |    8 +-
>  tools/libxl/libxl.h                  |   58 ++
>  tools/libxl/libxl_create.c           |   41 +-
>  tools/libxl/libxl_internal.h         |   11 +
>  tools/libxl/libxl_types.idl          |   58 +-
>  tools/libxl/libxl_types_internal.idl |    1 +
>  tools/libxl/libxl_usb.c              | 1277 
> ++++++++++++++++++++++++++++++++++
>  tools/libxl/libxlu_cfg_y.c           |  464 ++++++------
>  tools/libxl/libxlu_cfg_y.h           |   38 +-
>  tools/libxl/xl.h                     |    6 +
>  tools/libxl/xl_cmdimpl.c             |  296 +++++++-
>  tools/libxl/xl_cmdtable.c            |   30 +

This will need some docs changes too, at least to the xl and xl.cfg
manpages.

>  13 files changed, 2058 insertions(+), 232 deletions(-)
>  create mode 100644 tools/libxl/libxl_usb.c
> 



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