Re: [PATCH 06/10] libxl: add tablet/mouse input device support

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Marek Marczykowski-Górecki wrote:
> Signed-off-by: Marek Marczykowski-Górecki <marmarek@xxxxxxxxxxxxxxxxxxxxxx>
> ---
> Changes in v2:
>  - rebase on 1.2.12+
>  - multiple devices support
>
>  src/libxl/libxl_conf.c | 48 ++++++++++++++++++++++++++++++++++++++++++++++++
>  1 file changed, 48 insertions(+)
>
> diff --git a/src/libxl/libxl_conf.c b/src/libxl/libxl_conf.c
> index 4730585..b1131ea 100644
> --- a/src/libxl/libxl_conf.c
> +++ b/src/libxl/libxl_conf.c
> @@ -815,6 +815,54 @@ libxlMakeDomBuildInfo(virDomainDefPtr def,
>              }
>          }
>  
> +        if (def->ninputs) {
> +#ifdef LIBXL_HAVE_BUILDINFO_USBDEVICE_LIST
> +            if (VIR_ALLOC_N(b_info->u.hvm.usbdevice_list, def->ninputs+1) < 0)
> +                return -1;
> +#else
> +            if (def->ninputs > 1) {
> +                virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
> +                        _("libxenlight supports only one input device"));
> +                return -1;
> +            }
> +#endif
> +            for (i = 0; i < def->ninputs; i++) {
> +                if (def->inputs[i]->bus != VIR_DOMAIN_INPUT_BUS_USB) {
> +                    virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
> +                            _("libxenlight supports only USB input"));
> +                    return -1;
> +                }
> +            }
>   
> +            for (i = 0; i < def->ninputs; i++) {
> +                switch (def->inputs[i]->type) {
> +                    case VIR_DOMAIN_INPUT_TYPE_MOUSE:
> +#ifdef LIBXL_HAVE_BUILDINFO_USBDEVICE_LIST
> +                        if (VIR_STRDUP(b_info->u.hvm.usbdevice_list[i], "mouse") < 0)
> +                            return -1;
> +#else
> +                        VIR_FREE(b_info->u.hvm.usbdevice);
> +                        if (VIR_STRDUP(b_info->u.hvm.usbdevice, "mouse") < 0)
> +                            return -1;
> +#endif
> +                        break;
> +                    case VIR_DOMAIN_INPUT_TYPE_TABLET:
> +#ifdef LIBXL_HAVE_BUILDINFO_USBDEVICE_LIST
> +                        if (VIR_STRDUP(b_info->u.hvm.usbdevice_list[i], "tablet") < 0)
> +                            return -1;
> +#else
> +                        VIR_FREE(b_info->u.hvm.usbdevice);
> +                        if (VIR_STRDUP(b_info->u.hvm.usbdevice, "tablet") < 0)
> +                            return -1;
> +#endif
>   

One of the #ifdef could be dropped with something like

for (i=0; i < def->ninputs; i++) {
    char *temp;
#ifdef LIBXL_HAVE_BUILDINFO_USBDEVICE_LIST
    temp = b_info->u.hvm.usbdevice_list[i];
#else
    temp = b_info->u.hvm.usbdevice;
#endif
    ...
    VIR_STRDUP(temp, "mouse");
    ...
}

Also, could you look into adding support for usbdevice_list to the
parsing/formating code in src/xenconfig?

Regards,
Jim

> +                        break;
> +                    default:
> +                        virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
> +                                _("Unknown input device type"));
> +                        return -1;
> +                }
> +            }
> +        }
> +
>          /*
>           * The following comment and calculation were taken directly from
>           * libxenlight's internal function libxl_get_required_shadow_memory():
>   

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