Re: [edk2-devel] [PATCH v1] Pyrite support - Secure erase is only available if encryption is supported.

["Linus Liu" <linus.liu@intel.com>]

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Hi Jiewan
For 1) , please see V2 patch.
And 2) , please help to look at the setup option.

Thanks.


-----Original Message-----
From: Yao, Jiewen <jiewen.yao@intel.com> 
Sent: Thursday, September 7, 2023 4:13 PM
To: Liu, Linus <linus.liu@intel.com>; devel@edk2.groups.io
Cc: Zhang, Qi1 <qi1.zhang@intel.com>; Kumar, Rahul R <rahul.r.kumar@intel.com>
Subject: RE: [PATCH v1] Pyrite support - Secure erase is only available if encryption is supported.

Thanks.

1) I think we need an else branch for " SupportedAttributes->MediaEncryption ", to assign " AvalDiskActions->SecureErase = 0;"


> -    AvalDiskActions->SecureErase = 1;
> 
> +    if (SupportedAttributes->MediaEncryption) {
> 
> +      AvalDiskActions->SecureErase = 1;
> 
> +    }
> 
>    } else {
> 
>      AvalDiskActions->PsidRevert  = 0;
> 
>      AvalDiskActions->SecureErase = 0;


2) May I know what test you have done?





> -----Original Message-----
> From: Liu, Linus <linus.liu@intel.com>
> Sent: Monday, September 4, 2023 4:38 PM
> To: devel@edk2.groups.io
> Cc: Liu, Linus <linus.liu@intel.com>; Zhang, Qi1 
> <qi1.zhang@intel.com>; Kumar, Rahul R <rahul.r.kumar@intel.com>; Yao, 
> Jiewen <jiewen.yao@intel.com>
> Subject: [PATCH v1] Pyrite support - Secure erase is only available if 
> encryption is supported.
> 
> From: Linus Liu <linus.liu@intel.com>
> 
> https://bugzilla.tianocore.org/show_bug.cgi?id=3004
> 
> Cc: Qi Zhang    <qi1.zhang@intel.com>
> Cc: Rahul Kumar <rahul1.kumar@intel.com>
> Cc: Jiewen Yao  <jiewen.yao@intel.com>
> ---
>  SecurityPkg/Tcg/Opal/OpalPassword/OpalDriver.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/SecurityPkg/Tcg/Opal/OpalPassword/OpalDriver.c
> b/SecurityPkg/Tcg/Opal/OpalPassword/OpalDriver.c
> index e2e77cbc24..88650a28dc 100644
> --- a/SecurityPkg/Tcg/Opal/OpalPassword/OpalDriver.c
> +++ b/SecurityPkg/Tcg/Opal/OpalPassword/OpalDriver.c
> @@ -87,7 +87,9 @@ OpalSupportGetAvailableActions (
>      // Secure erase is performed by generating a new encryption key
> 
>      // this is only available if encryption is supported
> 
>      //
> 
> -    AvalDiskActions->SecureErase = 1;
> 
> +    if (SupportedAttributes->MediaEncryption) {
> 
> +      AvalDiskActions->SecureErase = 1;
> 
> +    }
> 
>    } else {
> 
>      AvalDiskActions->PsidRevert  = 0;
> 
>      AvalDiskActions->SecureErase = 0;
> 
> --
> 2.39.2.windows.1



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From: "Liu, Linus" <linus.liu@intel.com>
To: "devel@edk2.groups.io" <devel@edk2.groups.io>
Cc: "Liu, Linus" <linus.liu@intel.com>, "Zhang, Qi1" <qi1.zhang@intel.com>, "Kumar, Rahul R" <rahul.r.kumar@intel.com>, "Yao, Jiewen" <jiewen.yao@intel.com>, "Chen, Tina" <tina.chen@intel.com>, "Chen, Xiao X" <xiao.x.chen@intel.com>
Subject: [PATCH v2] Pyrite support - Secure erase is only available if encryption is supported.
Date: Thu, 7 Sep 2023 09:02:12 +0000
Message-ID: <20230907090212.485-1-linus.liu@intel.com>

From: Linus Liu <linus.liu@intel.com>

https://bugzilla.tianocore.org/show_bug.cgi?id=3004

Cc: Qi Zhang    <qi1.zhang@intel.com>
Cc: Rahul Kumar <rahul1.kumar@intel.com>
Cc: Jiewen Yao  <jiewen.yao@intel.com>
Cc: Tina Chen   <tina.chen@intel.com>
Cc: Xiao X Chen <xiao.x.chen@intel.com>
---
 SecurityPkg/Tcg/Opal/OpalPassword/OpalDriver.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/SecurityPkg/Tcg/Opal/OpalPassword/OpalDriver.c b/SecurityPkg/Tcg/Opal/OpalPassword/OpalDriver.c
index e2e77cbc24..ba9fa66c60 100644
--- a/SecurityPkg/Tcg/Opal/OpalPassword/OpalDriver.c
+++ b/SecurityPkg/Tcg/Opal/OpalPassword/OpalDriver.c
@@ -87,7 +87,11 @@ OpalSupportGetAvailableActions (
     // Secure erase is performed by generating a new encryption key

     // this is only available if encryption is supported

     //

-    AvalDiskActions->SecureErase = 1;

+    if (SupportedAttributes->MediaEncryption) {

+      AvalDiskActions->SecureErase = 1;

+    } else {

+      AvalDiskActions->SecureErase = 0;

+    }

   } else {

     AvalDiskActions->PsidRevert  = 0;

     AvalDiskActions->SecureErase = 0;

--
2.39.2.windows.1