Re: [edk2-devel] [PATCH 1/2] KabylakeSiliconPkg: FSP 2.1 SEC handling.

["Chiu, Chasel" <chasel.chiu@intel.com>]

Yes. I will add TempRamExitPpi.h to IntelFsp2Pkg in separate review later.
Bugzilla filed: https://bugzilla.tianocore.org/show_bug.cgi?id=1883

Thanks!
Chasel


> -----Original Message-----
> From: Desimone, Nathaniel L
> Sent: Thursday, June 6, 2019 3:53 AM
> To: devel@edk2.groups.io; Chiu, Chasel <chasel.chiu@intel.com>
> Cc: Kubacki, Michael A <michael.a.kubacki@intel.com>; Chaganty, Rangasai V
> <rangasai.v.chaganty@intel.com>
> Subject: RE: [edk2-devel] [PATCH 1/2] KabylakeSiliconPkg: FSP 2.1 SEC handling.
> 
> Hi Chasel,
> 
> FSP_TEMP_RAM_EXIT_PPI is defined by the FSP 2.1 specification. The definition
> for it should not go in KabyLakeSiliconPkg, it should be placed in
> IntelFsp2Pkg/Include/Ppi.
> 
> Thanks,
> Nate
> 
> -----Original Message-----
> From: devel@edk2.groups.io <devel@edk2.groups.io> On Behalf Of Chiu,
> Chasel
> Sent: Friday, May 31, 2019 4:43 AM
> To: devel@edk2.groups.io
> Cc: Chiu, Chasel <chasel.chiu@intel.com>; Desimone, Nathaniel L
> <nathaniel.l.desimone@intel.com>; Kubacki, Michael A
> <michael.a.kubacki@intel.com>; Chaganty, Rangasai V
> <rangasai.v.chaganty@intel.com>
> Subject: [edk2-devel] [PATCH 1/2] KabylakeSiliconPkg: FSP 2.1 SEC handling.
> 
> From: "Chasel, Chiu" <chasel.chiu@intel.com>
> 
> REF: https://bugzilla.tianocore.org/show_bug.cgi?id=1865
> 
> To support FSP Dispatch mode, PlatformSecLib should consume
> FSP_TEMP_RAM_EXIT_PPI to disable temporary memory. This patch added the
> definition of this FSP_TEMP_RAM_EXIT_PPI.
> 
> Test: API mode no impact and can still booted.
> 
> Cc: Nate DeSimone <nathaniel.l.desimone@intel.com>
> Cc: Michael A Kubacki <michael.a.kubacki@intel.com>
> Cc: Sai Chaganty <rangasai.v.chaganty@intel.com>
> Signed-off-by: Chasel Chiu <chasel.chiu@intel.com>
> ---
>  Silicon/Intel/KabylakeSiliconPkg/Include/Ppi/TempRamExitPpi.h | 50
> ++++++++++++++++++++++++++++++++++++++++++++++++++
>  Silicon/Intel/KabylakeSiliconPkg/SiPkg.dec                    |  2 ++
>  2 files changed, 52 insertions(+)
> 
> diff --git a/Silicon/Intel/KabylakeSiliconPkg/Include/Ppi/TempRamExitPpi.h
> b/Silicon/Intel/KabylakeSiliconPkg/Include/Ppi/TempRamExitPpi.h
> new file mode 100644
> index 0000000000..9e728a5d4d
> --- /dev/null
> +++ b/Silicon/Intel/KabylakeSiliconPkg/Include/Ppi/TempRamExitPpi.h
> @@ -0,0 +1,50 @@
> +/** @file
> +  This file defines the Silicon Temp Ram Exit PPI which implements the
> +  required programming steps for disabling temporary memory.
> +
> +Copyright (c) 2019, Intel Corporation. All rights reserved.<BR>
> +SPDX-License-Identifier: BSD-2-Clause-Patent
> +
> +**/
> +
> +#ifndef _FSP_TEMP_RAM_EXIT_PPI_H_
> +#define _FSP_TEMP_RAM_EXIT_PPI_H_
> +
> +///
> +/// Global ID for the FSP_TEMP_RAM_EXIT_PPI.
> +///
> +#define FSP_TEMP_RAM_EXIT_GUID \
> +  { \
> +    0xbc1cfbdb, 0x7e50, 0x42be, { 0xb4, 0x87, 0x22, 0xe0, 0xa9, 0x0c,
> +0xb0, 0x52 } \
> +  }
> +
> +//
> +// Forward declaration for the FSP_TEMP_RAM_EXIT_PPI.
> +//
> +typedef struct _FSP_TEMP_RAM_EXIT_PPI FSP_TEMP_RAM_EXIT_PPI;
> +
> +/**
> +  Silicon function for disabling temporary memory.
> +  @param[in] TempRamExitParamPtr - Pointer to the TempRamExit parameters
> structure.
> +                                   This structure is normally defined in the Integration
> +                                   Guide. If it is not defined in the Integration Guide,
> +                                   pass NULL.
> +  @retval EFI_SUCCESS            - Execution was completed successfully.
> +  @retval Status                 - Error status reported by sub-functions if
> implemented.
> +**/
> +typedef
> +EFI_STATUS
> +(EFIAPI *FSP_TEMP_RAM_EXIT) (
> +  IN  VOID    *TempRamExitParamPtr
> +  );
> +
> +///
> +/// This PPI provides function to disable temporary memory.
> +///
> +struct _FSP_TEMP_RAM_EXIT_PPI {
> +  FSP_TEMP_RAM_EXIT   TempRamExit;
> +};
> +
> +extern EFI_GUID gFspTempRamExitPpiGuid;
> +
> +#endif // _FSP_TEMP_RAM_EXIT_PPI_H_
> diff --git a/Silicon/Intel/KabylakeSiliconPkg/SiPkg.dec
> b/Silicon/Intel/KabylakeSiliconPkg/SiPkg.dec
> index a613079dd4..874cbee7a7 100644
> --- a/Silicon/Intel/KabylakeSiliconPkg/SiPkg.dec
> +++ b/Silicon/Intel/KabylakeSiliconPkg/SiPkg.dec
> @@ -347,6 +347,8 @@ gPeiTpmInitializationDonePpiGuid = {0xa030d115,
> 0x54dd, 0x447b, { 0x90, 0x64, 0x  ##  gSiPolicyPpiGuid  =  {0xaebffa01, 0x7edc,
> 0x49ff, {0x8d, 0x88, 0xcb, 0x84, 0x8c, 0x5e, 0x86, 0x70}}
> gSiPreMemPolicyPpiGuid = {0xc133fe57, 0x17c7, 0x4b09, {0x8b, 0x3c, 0x97, 0xc1,
> 0x89, 0xd0, 0xab, 0x8d}}
> +gFspTempRamExitPpiGuid      = {0xbc1cfbdb, 0x7e50, 0x42be, {0xb4, 0x87,
> 0x22, 0xe0, 0xa9, 0x0c, 0xb0, 0x52}}
> +
>  ##
>  ## SystemAgent
>  ##
> --
> 2.19.1.windows.1
> 
> 
>