OvmfPkg/Include/WorkArea.h | 4 ++++ OvmfPkg/OvmfPkg.dec | 7 ++++++- OvmfPkg/OvmfPkgDefines.fdf.inc | 6 ------ 3 files changed, 10 insertions(+), 7 deletions(-)
SEC checks in IsSevGuest if the PCD defined WorkAreaHeader size
matches the size of the WorkAreaHeader struct definition. Set a
default value for the PCD to avoid unnecessary DSC/FDF file
changes in all OVMF DSC/FDF files.
Signed-off-by: Corvin Köhne <c.koehne@beckhoff.com>
Reviewed-by: Jiewen Yao <jiewen.yao@intel.com>
---
OvmfPkg/Include/WorkArea.h | 4 ++++
OvmfPkg/OvmfPkg.dec | 7 ++++++-
OvmfPkg/OvmfPkgDefines.fdf.inc | 6 ------
3 files changed, 10 insertions(+), 7 deletions(-)
diff --git a/OvmfPkg/Include/WorkArea.h b/OvmfPkg/Include/WorkArea.h
index c16030e3ac..0f9b442e43 100644
--- a/OvmfPkg/Include/WorkArea.h
+++ b/OvmfPkg/Include/WorkArea.h
@@ -25,6 +25,10 @@ typedef enum {
// to the structure need to be kept in sync with the
// PcdOvmfConfidentialComputingWorkAreaHeader.
//
+// PcdOvmfConfidentialComputingWorkAreaHeader ==
+// sizeof (CONFIDENTIAL_COMPUTING_WORK_AREA_HEADER)
+//
+// PcdOvmfConfidentialComputingWorkAreaHeader defined in OvmfPkg/OvmfPkg.dec
typedef struct _CONFIDENTIAL_COMPUTING_WORK_AREA_HEADER {
UINT8 GuestType;
UINT8 Reserved1[3];
diff --git a/OvmfPkg/OvmfPkg.dec b/OvmfPkg/OvmfPkg.dec
index c37dafad49..a5119b1909 100644
--- a/OvmfPkg/OvmfPkg.dec
+++ b/OvmfPkg/OvmfPkg.dec
@@ -338,7 +338,12 @@
# The size of this header is used early boot, and is provided through
# a fixed PCD. It need to be kept in sync with any changes to the
# header definition.
- gUefiOvmfPkgTokenSpaceGuid.PcdOvmfConfidentialComputingWorkAreaHeader|0|UINT32|0x51
+ #
+ # PcdOvmfConfidentialComputingWorkAreaHeader ==
+ # sizeof (CONFIDENTIAL_COMPUTING_WORK_AREA_HEADER)
+ #
+ # CONFIDENTIAL_COMPUTING_WORK_AREA_HEADER defined in OvmfPkg/Include/WorkArea.h
+ gUefiOvmfPkgTokenSpaceGuid.PcdOvmfConfidentialComputingWorkAreaHeader|4|UINT32|0x51
[PcdsDynamic, PcdsDynamicEx]
diff --git a/OvmfPkg/OvmfPkgDefines.fdf.inc b/OvmfPkg/OvmfPkgDefines.fdf.inc
index 3b5e452539..35fd454b97 100644
--- a/OvmfPkg/OvmfPkgDefines.fdf.inc
+++ b/OvmfPkg/OvmfPkgDefines.fdf.inc
@@ -82,12 +82,6 @@ SET gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageFtwWorkingSize = $(BLOCK_SIZ
SET gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFlashNvStorageFtwSpareBase = gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFlashNvStorageFtwWorkingBase + gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageFtwWorkingSize
SET gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageFtwSpareSize = $(VARS_SPARE_SIZE)
-# The OVMF WorkArea contains a fixed size header followed by the actual data.
-# The size of header is accessed through a fixed PCD in the reset vector code.
-# The value need to be kept in sync with the any changes to the Confidential
-# Computing Work Area header defined in the Include/WorkArea.h
-SET gUefiOvmfPkgTokenSpaceGuid.PcdOvmfConfidentialComputingWorkAreaHeader = 4
-
!if $(SMM_REQUIRE) == TRUE
SET gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageVariableBase64 = gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFlashNvStorageVariableBase
SET gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageFtwWorkingBase = gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFlashNvStorageFtwWorkingBase
--
2.11.0
Beckhoff Automation GmbH & Co. KG | Managing Director: Dipl. Phys. Hans Beckhoff Registered office: Verl, Germany | Register court: Guetersloh HRA 7075
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Hi Corvin
I try to apply this patch and merge. But I got error:
================
git.exe am --3way --ignore-space-change --keep-cr "C:\home\edkii\edk2\[PATCH-v3]-OvmfPkg-set-a-default-value-for-the-WorkAreaHeader-PCD-warn.patch"
Applying: OvmfPkg: set a default value for the WorkAreaHeader PCD
Patch failed at 0001 OvmfPkg: set a default value for the WorkAreaHeader PCD
When you have resolved this problem, run "git am --continue".
If you prefer to skip this patch, run "git am --skip" instead.
To restore the original branch and stop patching, run "git am --abort".
error: corrupt patch at line 38
error: could not build fake ancestor
hint: Use 'git am --show-current-patch=diff' to see the failed patch
Fail
=================
Would you please take a look?
Thank you
Yao Jiewen
> -----Original Message-----
> From: Corvin Köhne <c.koehne@beckhoff.com>
> Sent: Thursday, September 16, 2021 5:03 PM
> To: devel@edk2.groups.io
> Cc: ardb+tianocore@kernel.org; Yao, Jiewen <jiewen.yao@intel.com>;
> jordan.l.ljusten@intel.com; kraxel@redhat.com; rebecca@bsdio.com;
> grehan@freebsd.org; Köhne, Corvin <c.koehne@beckhoff.com>
> Subject: [PATCH v3] OvmfPkg: set a default value for the WorkAreaHeader PCD
>
> SEC checks in IsSevGuest if the PCD defined WorkAreaHeader size
> matches the size of the WorkAreaHeader struct definition. Set a
> default value for the PCD to avoid unnecessary DSC/FDF file
> changes in all OVMF DSC/FDF files.
>
> Signed-off-by: Corvin Köhne <c.koehne@beckhoff.com>
> Reviewed-by: Jiewen Yao <jiewen.yao@intel.com>
> ---
> OvmfPkg/Include/WorkArea.h | 4 ++++
> OvmfPkg/OvmfPkg.dec | 7 ++++++-
> OvmfPkg/OvmfPkgDefines.fdf.inc | 6 ------
> 3 files changed, 10 insertions(+), 7 deletions(-)
>
> diff --git a/OvmfPkg/Include/WorkArea.h b/OvmfPkg/Include/WorkArea.h
> index c16030e3ac..0f9b442e43 100644
> --- a/OvmfPkg/Include/WorkArea.h
> +++ b/OvmfPkg/Include/WorkArea.h
> @@ -25,6 +25,10 @@ typedef enum {
> // to the structure need to be kept in sync with the
> // PcdOvmfConfidentialComputingWorkAreaHeader.
> //
> +// PcdOvmfConfidentialComputingWorkAreaHeader ==
> +// sizeof (CONFIDENTIAL_COMPUTING_WORK_AREA_HEADER)
> +//
> +// PcdOvmfConfidentialComputingWorkAreaHeader defined in
> OvmfPkg/OvmfPkg.dec
> typedef struct _CONFIDENTIAL_COMPUTING_WORK_AREA_HEADER {
> UINT8 GuestType;
> UINT8 Reserved1[3];
> diff --git a/OvmfPkg/OvmfPkg.dec b/OvmfPkg/OvmfPkg.dec
> index c37dafad49..a5119b1909 100644
> --- a/OvmfPkg/OvmfPkg.dec
> +++ b/OvmfPkg/OvmfPkg.dec
> @@ -338,7 +338,12 @@
> # The size of this header is used early boot, and is provided through
> # a fixed PCD. It need to be kept in sync with any changes to the
> # header definition.
> -
> gUefiOvmfPkgTokenSpaceGuid.PcdOvmfConfidentialComputingWorkAreaHeade
> r|0|UINT32|0x51
> + #
> + # PcdOvmfConfidentialComputingWorkAreaHeader ==
> + # sizeof (CONFIDENTIAL_COMPUTING_WORK_AREA_HEADER)
> + #
> + # CONFIDENTIAL_COMPUTING_WORK_AREA_HEADER defined in
> OvmfPkg/Include/WorkArea.h
> +
> gUefiOvmfPkgTokenSpaceGuid.PcdOvmfConfidentialComputingWorkAreaHeade
> r|4|UINT32|0x51
>
>
> [PcdsDynamic, PcdsDynamicEx]
> diff --git a/OvmfPkg/OvmfPkgDefines.fdf.inc
> b/OvmfPkg/OvmfPkgDefines.fdf.inc
> index 3b5e452539..35fd454b97 100644
> --- a/OvmfPkg/OvmfPkgDefines.fdf.inc
> +++ b/OvmfPkg/OvmfPkgDefines.fdf.inc
> @@ -82,12 +82,6 @@ SET
> gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageFtwWorkingSize =
> $(BLOCK_SIZ
> SET gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFlashNvStorageFtwSpareBase =
> gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFlashNvStorageFtwWorkingBase +
> gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageFtwWorkingSize
> SET gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageFtwSpareSize =
> $(VARS_SPARE_SIZE)
>
> -# The OVMF WorkArea contains a fixed size header followed by the actual data.
> -# The size of header is accessed through a fixed PCD in the reset vector code.
> -# The value need to be kept in sync with the any changes to the Confidential
> -# Computing Work Area header defined in the Include/WorkArea.h
> -SET
> gUefiOvmfPkgTokenSpaceGuid.PcdOvmfConfidentialComputingWorkAreaHeade
> r = 4
> -
> !if $(SMM_REQUIRE) == TRUE
> SET gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageVariableBase64 =
> gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFlashNvStorageVariableBase
> SET gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageFtwWorkingBase =
> gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFlashNvStorageFtwWorkingBase
> --
> 2.11.0
>
> Beckhoff Automation GmbH & Co. KG | Managing Director: Dipl. Phys. Hans
> Beckhoff Registered office: Verl, Germany | Register court: Guetersloh HRA
> 7075
>
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Hi Yao,
looks like the patch isn't formatted correctly. Could you try to apply this patch:
From 3c22fffad51e431fbf953809215eea7022168e81 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Corvin=20K=C3=B6hne?= <c.koehne@beckhoff.com>
Date: Fri, 17 Sep 2021 07:37:24 +0200
Subject: [PATCH] OvmfPkg: set a default value for the WorkAreaHeader PCD
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
SEC checks in IsSevGuest if the PCD defined WorkAreaHeader size
matches the size of the WorkAreaHeader struct definition. Set a
default value for the PCD to avoid unnecessary DSC/FDF file
changes in all OVMF DSC/FDF files.
Signed-off-by: Corvin Köhne <c.koehne@beckhoff.com>
Reviewed-by: Jiewen Yao <jiewen.yao@intel.com>
---
OvmfPkg/Include/WorkArea.h | 4 ++++
OvmfPkg/OvmfPkg.dec | 7 ++++++-
OvmfPkg/OvmfPkgDefines.fdf.inc | 6 ------
3 files changed, 10 insertions(+), 7 deletions(-)
diff --git a/OvmfPkg/Include/WorkArea.h b/OvmfPkg/Include/WorkArea.h
index c16030e3ac..0f9b442e43 100644
--- a/OvmfPkg/Include/WorkArea.h
+++ b/OvmfPkg/Include/WorkArea.h
@@ -25,6 +25,10 @@ typedef enum {
// to the structure need to be kept in sync with the
// PcdOvmfConfidentialComputingWorkAreaHeader.
//
+// PcdOvmfConfidentialComputingWorkAreaHeader ==
+// sizeof (CONFIDENTIAL_COMPUTING_WORK_AREA_HEADER)
+//
+// PcdOvmfConfidentialComputingWorkAreaHeader defined in OvmfPkg/OvmfPkg.dec
typedef struct _CONFIDENTIAL_COMPUTING_WORK_AREA_HEADER {
UINT8 GuestType;
UINT8 Reserved1[3];
diff --git a/OvmfPkg/OvmfPkg.dec b/OvmfPkg/OvmfPkg.dec
index c37dafad49..a5119b1909 100644
--- a/OvmfPkg/OvmfPkg.dec
+++ b/OvmfPkg/OvmfPkg.dec
@@ -338,7 +338,12 @@
# The size of this header is used early boot, and is provided through
# a fixed PCD. It need to be kept in sync with any changes to the
# header definition.
- gUefiOvmfPkgTokenSpaceGuid.PcdOvmfConfidentialComputingWorkAreaHeader|0|UINT32|0x51
+ #
+ # PcdOvmfConfidentialComputingWorkAreaHeader ==
+ # sizeof (CONFIDENTIAL_COMPUTING_WORK_AREA_HEADER)
+ #
+ # CONFIDENTIAL_COMPUTING_WORK_AREA_HEADER defined in OvmfPkg/Include/WorkArea.h
+ gUefiOvmfPkgTokenSpaceGuid.PcdOvmfConfidentialComputingWorkAreaHeader|4|UINT32|0x51
[PcdsDynamic, PcdsDynamicEx]
diff --git a/OvmfPkg/OvmfPkgDefines.fdf.inc b/OvmfPkg/OvmfPkgDefines.fdf.inc
index 3b5e452539..35fd454b97 100644
--- a/OvmfPkg/OvmfPkgDefines.fdf.inc
+++ b/OvmfPkg/OvmfPkgDefines.fdf.inc
@@ -82,12 +82,6 @@ SET gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageFtwWorkingSize = $(BLOCK_SIZ
SET gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFlashNvStorageFtwSpareBase = gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFlashNvStorageFtwWorkingBase + gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageFtwWorkingSize
SET gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageFtwSpareSize = $(VARS_SPARE_SIZE)
-# The OVMF WorkArea contains a fixed size header followed by the actual data.
-# The size of header is accessed through a fixed PCD in the reset vector code.
-# The value need to be kept in sync with the any changes to the Confidential
-# Computing Work Area header defined in the Include/WorkArea.h
-SET gUefiOvmfPkgTokenSpaceGuid.PcdOvmfConfidentialComputingWorkAreaHeader = 4
-
!if $(SMM_REQUIRE) == TRUE
SET gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageVariableBase64 = gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFlashNvStorageVariableBase
SET gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageFtwWorkingBase = gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFlashNvStorageFtwWorkingBase
--
2.11.0
Thanks
Corvin
-----Original Message-----
From: Yao, Jiewen <jiewen.yao@intel.com>
Sent: Friday, September 17, 2021 5:23 AM
To: Corvin Köhne <C.Koehne@beckhoff.com>; devel@edk2.groups.io
Cc: ardb+tianocore@kernel.org; jordan.l.ljusten@intel.com; kraxel@redhat.com; rebecca@bsdio.com; grehan@freebsd.org; Corvin Köhne <C.Koehne@beckhoff.com>
Subject: RE: [PATCH v3] OvmfPkg: set a default value for the WorkAreaHeader PCD
CAUTION: External Email!!
Hi Corvin
I try to apply this patch and merge. But I got error:
================
git.exe am --3way --ignore-space-change --keep-cr "C:\home\edkii\edk2\[PATCH-v3]-OvmfPkg-set-a-default-value-for-the-WorkAreaHeader-PCD-warn.patch"
Applying: OvmfPkg: set a default value for the WorkAreaHeader PCD Patch failed at 0001 OvmfPkg: set a default value for the WorkAreaHeader PCD When you have resolved this problem, run "git am --continue".
If you prefer to skip this patch, run "git am --skip" instead.
To restore the original branch and stop patching, run "git am --abort".
error: corrupt patch at line 38
error: could not build fake ancestor
hint: Use 'git am --show-current-patch=diff' to see the failed patch
Fail
=================
Would you please take a look?
Thank you
Yao Jiewen
> -----Original Message-----
> From: Corvin Köhne <c.koehne@beckhoff.com>
> Sent: Thursday, September 16, 2021 5:03 PM
> To: devel@edk2.groups.io
> Cc: ardb+tianocore@kernel.org; Yao, Jiewen <jiewen.yao@intel.com>;
> jordan.l.ljusten@intel.com; kraxel@redhat.com; rebecca@bsdio.com;
> grehan@freebsd.org; Köhne, Corvin <c.koehne@beckhoff.com>
> Subject: [PATCH v3] OvmfPkg: set a default value for the
> WorkAreaHeader PCD
>
> SEC checks in IsSevGuest if the PCD defined WorkAreaHeader size
> matches the size of the WorkAreaHeader struct definition. Set a
> default value for the PCD to avoid unnecessary DSC/FDF file changes in
> all OVMF DSC/FDF files.
>
> Signed-off-by: Corvin Köhne <c.koehne@beckhoff.com>
> Reviewed-by: Jiewen Yao <jiewen.yao@intel.com>
> ---
> OvmfPkg/Include/WorkArea.h | 4 ++++
> OvmfPkg/OvmfPkg.dec | 7 ++++++-
> OvmfPkg/OvmfPkgDefines.fdf.inc | 6 ------
> 3 files changed, 10 insertions(+), 7 deletions(-)
>
> diff --git a/OvmfPkg/Include/WorkArea.h b/OvmfPkg/Include/WorkArea.h
> index c16030e3ac..0f9b442e43 100644
> --- a/OvmfPkg/Include/WorkArea.h
> +++ b/OvmfPkg/Include/WorkArea.h
> @@ -25,6 +25,10 @@ typedef enum {
> // to the structure need to be kept in sync with the //
> PcdOvmfConfidentialComputingWorkAreaHeader.
> //
> +// PcdOvmfConfidentialComputingWorkAreaHeader ==
> +// sizeof (CONFIDENTIAL_COMPUTING_WORK_AREA_HEADER)
> +//
> +// PcdOvmfConfidentialComputingWorkAreaHeader defined in
> OvmfPkg/OvmfPkg.dec
> typedef struct _CONFIDENTIAL_COMPUTING_WORK_AREA_HEADER {
> UINT8 GuestType;
> UINT8 Reserved1[3];
> diff --git a/OvmfPkg/OvmfPkg.dec b/OvmfPkg/OvmfPkg.dec index
> c37dafad49..a5119b1909 100644
> --- a/OvmfPkg/OvmfPkg.dec
> +++ b/OvmfPkg/OvmfPkg.dec
> @@ -338,7 +338,12 @@
> # The size of this header is used early boot, and is provided through
> # a fixed PCD. It need to be kept in sync with any changes to the
> # header definition.
> -
> gUefiOvmfPkgTokenSpaceGuid.PcdOvmfConfidentialComputingWorkAreaHeade
> r|0|UINT32|0x51
> + #
> + # PcdOvmfConfidentialComputingWorkAreaHeader ==
> + # sizeof (CONFIDENTIAL_COMPUTING_WORK_AREA_HEADER)
> + #
> + # CONFIDENTIAL_COMPUTING_WORK_AREA_HEADER defined in
> OvmfPkg/Include/WorkArea.h
> +
> gUefiOvmfPkgTokenSpaceGuid.PcdOvmfConfidentialComputingWorkAreaHeade
> r|4|UINT32|0x51
>
>
> [PcdsDynamic, PcdsDynamicEx]
> diff --git a/OvmfPkg/OvmfPkgDefines.fdf.inc
> b/OvmfPkg/OvmfPkgDefines.fdf.inc index 3b5e452539..35fd454b97 100644
> --- a/OvmfPkg/OvmfPkgDefines.fdf.inc
> +++ b/OvmfPkg/OvmfPkgDefines.fdf.inc
> @@ -82,12 +82,6 @@ SET
> gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageFtwWorkingSize =
> $(BLOCK_SIZ SET
> gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFlashNvStorageFtwSpareBase =
> gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFlashNvStorageFtwWorkingBase +
> gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageFtwWorkingSize
> SET gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageFtwSpareSize =
> $(VARS_SPARE_SIZE)
>
> -# The OVMF WorkArea contains a fixed size header followed by the actual data.
> -# The size of header is accessed through a fixed PCD in the reset vector code.
> -# The value need to be kept in sync with the any changes to the
> Confidential -# Computing Work Area header defined in the
> Include/WorkArea.h -SET
> gUefiOvmfPkgTokenSpaceGuid.PcdOvmfConfidentialComputingWorkAreaHeade
> r = 4
> -
> !if $(SMM_REQUIRE) == TRUE
> SET gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageVariableBase64 =
> gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFlashNvStorageVariableBase
> SET gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageFtwWorkingBase =
> gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFlashNvStorageFtwWorkingBase
> --
> 2.11.0
>
> Beckhoff Automation GmbH & Co. KG | Managing Director: Dipl. Phys.
> Hans Beckhoff Registered office: Verl, Germany | Register court:
> Guetersloh HRA
> 7075
>
Beckhoff Automation GmbH & Co. KG | Managing Director: Dipl. Phys. Hans Beckhoff Registered office: Verl, Germany | Register court: Guetersloh HRA 7075
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Hi Corvin
Bad news: CI fails.
https://github.com/tianocore/edk2/pull/1990
Would you please take a look?
You are welcome to submit to CI by yourself. (It won't be pushed.)
Thank you
Yao Jiewen
> -----Original Message-----
> From: devel@edk2.groups.io <devel@edk2.groups.io> On Behalf Of Corvin
> Köhne
> Sent: Friday, September 17, 2021 1:56 PM
> To: Yao, Jiewen <jiewen.yao@intel.com>; devel@edk2.groups.io
> Cc: ardb+tianocore@kernel.org; jordan.l.ljusten@intel.com; kraxel@redhat.com;
> rebecca@bsdio.com; grehan@freebsd.org
> Subject: Re: [edk2-devel] [PATCH v3] OvmfPkg: set a default value for the
> WorkAreaHeader PCD
>
> Hi Yao,
>
> looks like the patch isn't formatted correctly. Could you try to apply this patch:
>
> From 3c22fffad51e431fbf953809215eea7022168e81 Mon Sep 17 00:00:00 2001
> From: =?UTF-8?q?Corvin=20K=C3=B6hne?= <c.koehne@beckhoff.com>
> Date: Fri, 17 Sep 2021 07:37:24 +0200
> Subject: [PATCH] OvmfPkg: set a default value for the WorkAreaHeader PCD
> MIME-Version: 1.0
> Content-Type: text/plain; charset=UTF-8
> Content-Transfer-Encoding: 8bit
>
> SEC checks in IsSevGuest if the PCD defined WorkAreaHeader size
> matches the size of the WorkAreaHeader struct definition. Set a
> default value for the PCD to avoid unnecessary DSC/FDF file
> changes in all OVMF DSC/FDF files.
>
> Signed-off-by: Corvin Köhne <c.koehne@beckhoff.com>
> Reviewed-by: Jiewen Yao <jiewen.yao@intel.com>
> ---
> OvmfPkg/Include/WorkArea.h | 4 ++++
> OvmfPkg/OvmfPkg.dec | 7 ++++++-
> OvmfPkg/OvmfPkgDefines.fdf.inc | 6 ------
> 3 files changed, 10 insertions(+), 7 deletions(-)
>
> diff --git a/OvmfPkg/Include/WorkArea.h b/OvmfPkg/Include/WorkArea.h
> index c16030e3ac..0f9b442e43 100644
> --- a/OvmfPkg/Include/WorkArea.h
> +++ b/OvmfPkg/Include/WorkArea.h
> @@ -25,6 +25,10 @@ typedef enum {
> // to the structure need to be kept in sync with the
> // PcdOvmfConfidentialComputingWorkAreaHeader.
> //
> +// PcdOvmfConfidentialComputingWorkAreaHeader ==
> +// sizeof (CONFIDENTIAL_COMPUTING_WORK_AREA_HEADER)
> +//
> +// PcdOvmfConfidentialComputingWorkAreaHeader defined in
> OvmfPkg/OvmfPkg.dec
> typedef struct _CONFIDENTIAL_COMPUTING_WORK_AREA_HEADER {
> UINT8 GuestType;
> UINT8 Reserved1[3];
> diff --git a/OvmfPkg/OvmfPkg.dec b/OvmfPkg/OvmfPkg.dec
> index c37dafad49..a5119b1909 100644
> --- a/OvmfPkg/OvmfPkg.dec
> +++ b/OvmfPkg/OvmfPkg.dec
> @@ -338,7 +338,12 @@
> # The size of this header is used early boot, and is provided through
> # a fixed PCD. It need to be kept in sync with any changes to the
> # header definition.
> -
> gUefiOvmfPkgTokenSpaceGuid.PcdOvmfConfidentialComputingWorkAreaHeade
> r|0|UINT32|0x51
> + #
> + # PcdOvmfConfidentialComputingWorkAreaHeader ==
> + # sizeof (CONFIDENTIAL_COMPUTING_WORK_AREA_HEADER)
> + #
> + # CONFIDENTIAL_COMPUTING_WORK_AREA_HEADER defined in
> OvmfPkg/Include/WorkArea.h
> +
> gUefiOvmfPkgTokenSpaceGuid.PcdOvmfConfidentialComputingWorkAreaHeade
> r|4|UINT32|0x51
>
>
> [PcdsDynamic, PcdsDynamicEx]
> diff --git a/OvmfPkg/OvmfPkgDefines.fdf.inc
> b/OvmfPkg/OvmfPkgDefines.fdf.inc
> index 3b5e452539..35fd454b97 100644
> --- a/OvmfPkg/OvmfPkgDefines.fdf.inc
> +++ b/OvmfPkg/OvmfPkgDefines.fdf.inc
> @@ -82,12 +82,6 @@ SET
> gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageFtwWorkingSize =
> $(BLOCK_SIZ
> SET gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFlashNvStorageFtwSpareBase =
> gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFlashNvStorageFtwWorkingBase +
> gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageFtwWorkingSize
> SET gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageFtwSpareSize =
> $(VARS_SPARE_SIZE)
>
> -# The OVMF WorkArea contains a fixed size header followed by the actual data.
> -# The size of header is accessed through a fixed PCD in the reset vector code.
> -# The value need to be kept in sync with the any changes to the Confidential
> -# Computing Work Area header defined in the Include/WorkArea.h
> -SET
> gUefiOvmfPkgTokenSpaceGuid.PcdOvmfConfidentialComputingWorkAreaHeade
> r = 4
> -
> !if $(SMM_REQUIRE) == TRUE
> SET gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageVariableBase64 =
> gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFlashNvStorageVariableBase
> SET gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageFtwWorkingBase =
> gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFlashNvStorageFtwWorkingBase
> --
> 2.11.0
>
>
>
> Thanks
> Corvin
>
> -----Original Message-----
> From: Yao, Jiewen <jiewen.yao@intel.com>
> Sent: Friday, September 17, 2021 5:23 AM
> To: Corvin Köhne <C.Koehne@beckhoff.com>; devel@edk2.groups.io
> Cc: ardb+tianocore@kernel.org; jordan.l.ljusten@intel.com; kraxel@redhat.com;
> rebecca@bsdio.com; grehan@freebsd.org; Corvin Köhne
> <C.Koehne@beckhoff.com>
> Subject: RE: [PATCH v3] OvmfPkg: set a default value for the WorkAreaHeader
> PCD
>
> CAUTION: External Email!!
>
>
> Hi Corvin
> I try to apply this patch and merge. But I got error:
>
> ================
> git.exe am --3way --ignore-space-change --keep-cr
> "C:\home\edkii\edk2\[PATCH-v3]-OvmfPkg-set-a-default-value-for-the-
> WorkAreaHeader-PCD-warn.patch"
> Applying: OvmfPkg: set a default value for the WorkAreaHeader PCD Patch
> failed at 0001 OvmfPkg: set a default value for the WorkAreaHeader PCD When
> you have resolved this problem, run "git am --continue".
> If you prefer to skip this patch, run "git am --skip" instead.
> To restore the original branch and stop patching, run "git am --abort".
>
> error: corrupt patch at line 38
> error: could not build fake ancestor
> hint: Use 'git am --show-current-patch=diff' to see the failed patch
>
> Fail
> =================
>
> Would you please take a look?
>
> Thank you
> Yao Jiewen
>
>
> > -----Original Message-----
> > From: Corvin Köhne <c.koehne@beckhoff.com>
> > Sent: Thursday, September 16, 2021 5:03 PM
> > To: devel@edk2.groups.io
> > Cc: ardb+tianocore@kernel.org; Yao, Jiewen <jiewen.yao@intel.com>;
> > jordan.l.ljusten@intel.com; kraxel@redhat.com; rebecca@bsdio.com;
> > grehan@freebsd.org; Köhne, Corvin <c.koehne@beckhoff.com>
> > Subject: [PATCH v3] OvmfPkg: set a default value for the
> > WorkAreaHeader PCD
> >
> > SEC checks in IsSevGuest if the PCD defined WorkAreaHeader size
> > matches the size of the WorkAreaHeader struct definition. Set a
> > default value for the PCD to avoid unnecessary DSC/FDF file changes in
> > all OVMF DSC/FDF files.
> >
> > Signed-off-by: Corvin Köhne <c.koehne@beckhoff.com>
> > Reviewed-by: Jiewen Yao <jiewen.yao@intel.com>
> > ---
> > OvmfPkg/Include/WorkArea.h | 4 ++++
> > OvmfPkg/OvmfPkg.dec | 7 ++++++-
> > OvmfPkg/OvmfPkgDefines.fdf.inc | 6 ------
> > 3 files changed, 10 insertions(+), 7 deletions(-)
> >
> > diff --git a/OvmfPkg/Include/WorkArea.h b/OvmfPkg/Include/WorkArea.h
> > index c16030e3ac..0f9b442e43 100644
> > --- a/OvmfPkg/Include/WorkArea.h
> > +++ b/OvmfPkg/Include/WorkArea.h
> > @@ -25,6 +25,10 @@ typedef enum {
> > // to the structure need to be kept in sync with the //
> > PcdOvmfConfidentialComputingWorkAreaHeader.
> > //
> > +// PcdOvmfConfidentialComputingWorkAreaHeader ==
> > +// sizeof (CONFIDENTIAL_COMPUTING_WORK_AREA_HEADER)
> > +//
> > +// PcdOvmfConfidentialComputingWorkAreaHeader defined in
> > OvmfPkg/OvmfPkg.dec
> > typedef struct _CONFIDENTIAL_COMPUTING_WORK_AREA_HEADER {
> > UINT8 GuestType;
> > UINT8 Reserved1[3];
> > diff --git a/OvmfPkg/OvmfPkg.dec b/OvmfPkg/OvmfPkg.dec index
> > c37dafad49..a5119b1909 100644
> > --- a/OvmfPkg/OvmfPkg.dec
> > +++ b/OvmfPkg/OvmfPkg.dec
> > @@ -338,7 +338,12 @@
> > # The size of this header is used early boot, and is provided through
> > # a fixed PCD. It need to be kept in sync with any changes to the
> > # header definition.
> > -
> >
> gUefiOvmfPkgTokenSpaceGuid.PcdOvmfConfidentialComputingWorkAreaHeade
> > r|0|UINT32|0x51
> > + #
> > + # PcdOvmfConfidentialComputingWorkAreaHeader ==
> > + # sizeof (CONFIDENTIAL_COMPUTING_WORK_AREA_HEADER)
> > + #
> > + # CONFIDENTIAL_COMPUTING_WORK_AREA_HEADER defined in
> > OvmfPkg/Include/WorkArea.h
> > +
> >
> gUefiOvmfPkgTokenSpaceGuid.PcdOvmfConfidentialComputingWorkAreaHeade
> > r|4|UINT32|0x51
> >
> >
> > [PcdsDynamic, PcdsDynamicEx]
> > diff --git a/OvmfPkg/OvmfPkgDefines.fdf.inc
> > b/OvmfPkg/OvmfPkgDefines.fdf.inc index 3b5e452539..35fd454b97 100644
> > --- a/OvmfPkg/OvmfPkgDefines.fdf.inc
> > +++ b/OvmfPkg/OvmfPkgDefines.fdf.inc
> > @@ -82,12 +82,6 @@ SET
> > gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageFtwWorkingSize =
> > $(BLOCK_SIZ SET
> > gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFlashNvStorageFtwSpareBase =
> > gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFlashNvStorageFtwWorkingBase +
> > gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageFtwWorkingSize
> > SET gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageFtwSpareSize =
> > $(VARS_SPARE_SIZE)
> >
> > -# The OVMF WorkArea contains a fixed size header followed by the actual
> data.
> > -# The size of header is accessed through a fixed PCD in the reset vector code.
> > -# The value need to be kept in sync with the any changes to the
> > Confidential -# Computing Work Area header defined in the
> > Include/WorkArea.h -SET
> >
> gUefiOvmfPkgTokenSpaceGuid.PcdOvmfConfidentialComputingWorkAreaHeade
> > r = 4
> > -
> > !if $(SMM_REQUIRE) == TRUE
> > SET gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageVariableBase64 =
> > gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFlashNvStorageVariableBase
> > SET gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageFtwWorkingBase
> =
> > gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFlashNvStorageFtwWorkingBase
> > --
> > 2.11.0
> >
> > Beckhoff Automation GmbH & Co. KG | Managing Director: Dipl. Phys.
> > Hans Beckhoff Registered office: Verl, Germany | Register court:
> > Guetersloh HRA
> > 7075
> >
>
> Beckhoff Automation GmbH & Co. KG | Managing Director: Dipl. Phys. Hans
> Beckhoff Registered office: Verl, Germany | Register court: Guetersloh HRA
> 7075
>
>
>
>
>
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