Re: [edk2-devel] [PATCH 21/25] Vlv2TbltdevicePkg/ResetSystemLib: Add new API ResetSystem

["Sun, Zailiang" <zailiang.sun@intel.com>]

Reviewed-by: Zailiang Sun <zailiang.sun@intel.com>

> -----Original Message-----
> From: devel@edk2.groups.io [mailto:devel@edk2.groups.io] On Behalf Of
> Gao, Zhichao
> Sent: Monday, April 15, 2019 11:06 AM
> To: devel@edk2.groups.io
> Cc: Sun, Zailiang <zailiang.sun@intel.com>; Qian, Yi <yi.qian@intel.com>; Gao,
> Liming <liming.gao@intel.com>
> Subject: [edk2-devel] [PATCH 21/25] Vlv2TbltdevicePkg/ResetSystemLib:
> Add new API ResetSystem
> 
> REF: https://bugzilla.tianocore.org/show_bug.cgi?id=1460
> 
> Add a new API ResetSystem to this ResetSystemLib instance.
> It only adds the basic functions from ResetSystemRuntimeDxe.
> Lacking of this interface may cause link error, if some drivers use this new API
> and link to this library instance.
> Notes:
> This library API only provide a basic function of reset. Full function should use
> the instance in the MdeModulePkg and make sure the depex driver is
> dispatched.
> 
> Cc: Zailiang Sun <zailiang.sun@intel.com>
> Cc: Yi Qian <yi.qian@intel.com>
> Cc: Liming Gao <liming.gao@intel.com>
> Signed-off-by: Zhichao Gao <zhichao.gao@intel.com>
> ---
>  .../Library/ResetSystemLib/ResetSystemLib.c   | 43 +++++++++++++++++++
>  1 file changed, 43 insertions(+)
> 
> diff --git a/Vlv2TbltDevicePkg/Library/ResetSystemLib/ResetSystemLib.c
> b/Vlv2TbltDevicePkg/Library/ResetSystemLib/ResetSystemLib.c
> index 1cd6f80891..02457352e9 100644
> --- a/Vlv2TbltDevicePkg/Library/ResetSystemLib/ResetSystemLib.c
> +++ b/Vlv2TbltDevicePkg/Library/ResetSystemLib/ResetSystemLib.c
> @@ -190,3 +190,46 @@ ResetPlatformSpecific (  {
>    ResetCold ();
>  }
> +
> +/**
> +  The ResetSystem function resets the entire platform.
> +
> +  @param[in] ResetType      The type of reset to perform.
> +  @param[in] ResetStatus    The status code for the reset.
> +  @param[in] DataSize       The size, in bytes, of ResetData.
> +  @param[in] ResetData      For a ResetType of EfiResetCold, EfiResetWarm,
> or EfiResetShutdown
> +                            the data buffer starts with a Null-terminated string, optionally
> +                            followed by additional binary data. The string is a description
> +                            that the caller may use to further indicate the reason for the
> +                            system reset.
> +**/
> +VOID
> +EFIAPI
> +ResetSystem (
> +  IN EFI_RESET_TYPE               ResetType,
> +  IN EFI_STATUS                   ResetStatus,
> +  IN UINTN                        DataSize,
> +  IN VOID                         *ResetData OPTIONAL
> +  )
> +{
> +  switch (ResetType) {
> +  case EfiResetWarm:
> +    ResetWarm ();
> +    break;
> +
> +  case EfiResetCold:
> +    ResetCold ();
> +    break;
> +
> +  case EfiResetShutdown:
> +    ResetShutdown ();
> +    return ;
> +
> +  case EfiResetPlatformSpecific:
> +    ResetPlatformSpecific (DataSize, ResetData);
> +    return;
> +
> +  default:
> +    return ;
> +  }
> +}
> --
> 2.21.0.windows.1
> 
> 
>