Re: [Xen-devel] [PATCH v6 29/29] libxl: add support for migrating HVM guests without a device model

[Wei Liu <wei.liu2@xxxxxxxxxx>]

On Fri, Sep 04, 2015 at 02:09:08PM +0200, Roger Pau Monne wrote:
> Only some minor libxl changes are needed in order to be able to migrate HVM
> guests without a device model, no hypervisor changes are needed.
> 
> This change adds support for LIBXL_DEVICE_MODEL_VERSION_NONE into the
> migration code.
> 
> Signed-off-by: Roger Pau Monné <roger.pau@xxxxxxxxxx>
> Cc: Ian Jackson <ian.jackson@xxxxxxxxxxxxx>
> Cc: Ian Campbell <ian.campbell@xxxxxxxxxx>
> Cc: Wei Liu <wei.liu2@xxxxxxxxxx>
> ---
[...]
> diff --git a/tools/libxl/libxl_sr_stream_format.h 
> b/tools/libxl/libxl_sr_stream_format.h
> index 54da360..960211c 100644
> --- a/tools/libxl/libxl_sr_stream_format.h
> +++ b/tools/libxl/libxl_sr_stream_format.h
> @@ -46,6 +46,7 @@ typedef struct libxl__sr_emulator_hdr
>  #define EMULATOR_UNKNOWN             0x00000000U
>  #define EMULATOR_QEMU_TRADITIONAL    0x00000001U
>  #define EMULATOR_QEMU_UPSTREAM       0x00000002U
> +#define EMULATOR_NONE                0x00000003U
>  

You also need to patch migration stream spec under docs.

Wei.

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