[edk2-devel] [PATCH 2/5] ArmVirt/PlatformBootManagerLib: factor out IsVirtio()

[Ard Biesheuvel]

On Fri, 12 May 2023 at 16:23, Gerd Hoffmann <kraxel at redhat.com> wrote:
>
> IsVirtioRng() becomes just a thin wrapper for IsVirtio().
> This allows to add similar thin wrappers for other virtio
> devices in the future.
>
> Signed-off-by: Gerd Hoffmann <kraxel at redhat.com>

Reviewed-by: Ard Biesheuvel <ardb at kernel.org>

> ---
>  .../PlatformBootManagerLib/PlatformBm.c       | 26 +++++++++++++++----
>  1 file changed, 21 insertions(+), 5 deletions(-)
>
> diff --git a/ArmVirtPkg/Library/PlatformBootManagerLib/PlatformBm.c b/ArmVirtPkg/Library/PlatformBootManagerLib/PlatformBm.c
> index 10c815378cd5..5eb6f0f9c14a 100644
> --- a/ArmVirtPkg/Library/PlatformBootManagerLib/PlatformBm.c
> +++ b/ArmVirtPkg/Library/PlatformBootManagerLib/PlatformBm.c
> @@ -269,15 +269,16 @@ IsPciDisplay (
>  }
>
>  /**
> -  This FILTER_FUNCTION checks if a handle corresponds to a Virtio RNG device at
> -  the VIRTIO_DEVICE_PROTOCOL level.
> +  This function checks if a handle corresponds to the Virtio Device ID given
> +  at the VIRTIO_DEVICE_PROTOCOL level.
>  **/
>  STATIC
>  BOOLEAN
>  EFIAPI
> -IsVirtioRng (
> +IsVirtio (
>    IN EFI_HANDLE    Handle,
> -  IN CONST CHAR16  *ReportText
> +  IN CONST CHAR16  *ReportText,
> +  IN UINT16        VirtIoDeviceId
>    )
>  {
>    EFI_STATUS              Status;
> @@ -293,7 +294,22 @@ IsVirtioRng (
>    }
>
>    return (BOOLEAN)(VirtIo->SubSystemDeviceId ==
> -                   VIRTIO_SUBSYSTEM_ENTROPY_SOURCE);
> +                   VirtIoDeviceId);
> +}
> +
> +/**
> +  This FILTER_FUNCTION checks if a handle corresponds to a Virtio RNG device at
> +  the VIRTIO_DEVICE_PROTOCOL level.
> +**/
> +STATIC
> +BOOLEAN
> +EFIAPI
> +IsVirtioRng (
> +  IN EFI_HANDLE    Handle,
> +  IN CONST CHAR16  *ReportText
> +  )
> +{
> +  return IsVirtio (Handle, ReportText, VIRTIO_SUBSYSTEM_ENTROPY_SOURCE);
>  }
>
>  /**
> --
> 2.40.1
>



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