Re: [Xen-devel] [PATCH 06/10] xen/arm: vpl011: Add new parameters to xenstore for the virtual console

[Wei Liu <wei.liu2@xxxxxxxxxx>]

On Mon, Apr 03, 2017 at 03:14:29PM +0530, Bhupinder Thakur wrote:
> Add two new parameters to the xen store:
>     - newly allocated PFN to be used as IN/OUT ring buffer by xenconsoled
>     - a new event channel read from Xen using a hvm call to be used by 
> xenconsoled
> 
> Signed-off-by: Bhupinder Thakur <bhupinder.thakur@xxxxxxxxxx>
> ---
>  tools/libxl/libxl.c     | 10 ++++++++++
>  tools/libxl/libxl_dom.c | 13 ++++++++++++-
>  2 files changed, 22 insertions(+), 1 deletion(-)
> 
> diff --git a/tools/libxl/libxl.c b/tools/libxl/libxl.c
> index d400fa2..5fa1e41 100644
> --- a/tools/libxl/libxl.c
> +++ b/tools/libxl/libxl.c
> @@ -1791,6 +1791,9 @@ int libxl_console_exec(libxl_ctx *ctx, uint32_t domid, 
> int cons_num,
>      case LIBXL_CONSOLE_TYPE_SERIAL:
>          cons_type_s = "serial";
>          break;
> +    case LIBXL_CONSOLE_TYPE_VCON:
> +        cons_type_s = "vcon";
> +        break;
>      default:
>          goto out;
>      }
> @@ -3159,6 +3162,13 @@ int libxl__device_console_add(libxl__gc *gc, uint32_t 
> domid,
>          flexarray_append(ro_front, GCSPRINTF("%"PRIu32, 
> state->console_port));
>          flexarray_append(ro_front, "ring-ref");
>          flexarray_append(ro_front, GCSPRINTF("%lu", state->console_mfn));
> +        if (state->vconsole_enabled)
> +        {
> +            flexarray_append(ro_front, "vcon-port");
> +            flexarray_append(ro_front, GCSPRINTF("%"PRIu32, 
> state->vconsole_port));
> +            flexarray_append(ro_front, "vcon-ring-ref");
> +            flexarray_append(ro_front, GCSPRINTF("%lu", 
> state->vconsole_mfn));
> +        }

Please try to document these new xenstore paths. See
docs/misc/xenstore-paths.md.

Wei.

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