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Hi all,

   If this patch is OK to you guys~ maybe we can submit it into = master ^^

Thanks!
Arvin
=BC=C4=BC=FE=D5=DF: devel@= edk2.groups.io <devel@edk2.groups.io> =B4=FA=B1=ED Samer El-Haj-Mahmo= ud <samer.el-haj-mahmoud@arm.com>
=BC=C4=BC=FE=C8=D5=C6=DA: 2020=C4=EA11=D4=C217=C8=D5 =CF=C2=CE=E7 0= 9:53
=CA=D5=BC=FE=D5=DF: devel@edk2.groups.io <devel@edk2.groups.io&g= t;; Chen, ArvinX <arvinx.chen@intel.com>
=B8=B1=B1=BE: G Edhaya Chandran <Edhaya.Chandran@arm.com>; Ji= n, Eric <eric.jin@intel.com>; gaoliming@byosoft.com.cn <gaoliming@= byosoft.com.cn>; Chu, Maggie <maggie.chu@intel.com>; Samer El-Haj-= Mahmoud <Samer.El-Haj-Mahmoud@arm.com>
=D6=F7=D6=BC: Re: [edk2-devel] [PATCH 2/2] uefi-sct/SctPkg: Correct= BBTestEraseBlocks behavior (EFI_BLOCK_IO_PROTOCOL)
 

Thanks for the explanation.

 

Reviewed-By: Samer El-Haj-Mahmoud <Samer.El-Haj-Mahmoud@arm.com&= gt;

 

 

From: devel@edk2.groups.io <= devel@edk2.groups.io> On Behalf Of Chen, ArvinX via groups.io
Sent: Tuesday, November 17, 2020 12:51 AM
To: Samer El-Haj-Mahmoud <Samer.El-Haj-Mahmoud@arm.com>; deve= l@edk2.groups.io
Cc: G Edhaya Chandran <Edhaya.Chandran@arm.com>; Jin, Eric &l= t;eric.jin@intel.com>; gaoliming@byosoft.com.cn; Chu, Maggie <maggie.= chu@intel.com>
Subject: =BB= = =D8=B8=B2: [edk2-devel] [PATCH 2/2] uefi-sct/SctPkg: Correct BBTe= stEraseBlocks behavior (EFI_BLOCK_IO_PROTOCOL)

 

HI Samer,

 

    Sorry for t= he slow reply, In EMMC's case, it allowed storage firmware erase to "1= " to be a valid behavior (please reference the spec of emmc JESD84-B51= /6.6.9), so once verification team use kind of this device, the test case will alw= ays failed. To avoid this problem, I think this change is required.<= /p>

 

Thanks!!

Arvin

 

=BC=C4=BC=FE=D5=DF:<= span style=3D"font-size:11.0pt; font-family:"Calibri",sans-serif;= color:black"> Samer El-Haj-Mahmoud <= Samer.El-Haj-Mahmoud@arm.com>
=BC= = =C4=BC=FE=C8=D5=C6=DA: 2020=C4=EA11=D4=C212=C8=D5 =C9=CF= = =CE=E7 04:56
=CA= = =D5=BC=FE=D5=DF: devel@edk2.groups.io <devel@edk2.groups.io>; Chen, Arvi= nX <arvinx.chen@intel.com&g= t;
=B8= = =B1=B1=BE: G Edhaya Chandran <Edhaya.Chandran@a= rm.com>; Jin, Eric <eric.ji= n@intel.com>; Samer El-Haj-Mahmoud <Samer.El-Haj-Mahmoud@arm.com>; gaoliming@byosoft.com.cn &= lt;gaoliming@byosoft.com.cn= >
=D6= = =F7=D6=BC: RE: [edk= 2-devel] [PATCH 2/2] uefi-sct/SctPkg: Correct BBTestEraseBlocks behavior (EFI_BLOC= K_IO_PROTOCOL)

 

Hi Chen,

The UEFI Specification 2.8ErrataB (page 575) states that " It is the = intention of the EraseBlocks() operation to be at least as performant as wr= iting zeroes to each of the specified LBA locations while ensuring the equi= valent security."

So while not explicitly saying that Erase should "erase to 0", i= t implies that at least is the intention. Do we know that erasing to "= 1" is a valid behavior?



> -----Original Message-----
> From: devel@edk2.groups.io <devel@edk2.groups.io> = On Behalf Of Chen,
> ArvinX via groups.io
> Sent: Monday, November 2, 2020 5:00 AM
> To: devel@edk2.groups.io<= br> > Cc: G Edhaya Chandran <= Edhaya.Chandran@arm.com>; Eric Jin
> <eric.jin@intel.com><= br> > Subject: [edk2-devel] [PATCH 2/2] uefi-sct/SctPkg: Correct
> BBTestEraseBlocks behavior (EFI_BLOCK_IO_PROTOCOL)
>
> REF: https://bugzilla.tianocore.org/show_bug.cgi?id=3D3022
>
>
>
> The storage device erase behavior may have two possibilities:
>
>  1.Write all data into "0"
>
>  2.Write all data into "1"
>
> but now tool behavior can only check case 1 (Write all data into &quo= t;0"),
>
> so we need add the other case into SCT tool to correct the test behav= ior.
>
>
>
> Cc: G Edhaya Chandran <= Edhaya.Chandran@arm.com>
>
> Cc: Eric Jin <eric.jin@intel= .com>
>
> Signed-off-by: ArvinX Chen <arvinx.chen@intel.com>
>
> ---
>
>  .../BlackBoxTest/EraseBlockBBTestFunction.c   | 55 ++= +++++++++++++----
>
>  1 file changed, 43 insertions(+), 12 deletions(-)
>
>
>
> diff --git a/uefi-
> sct/SctPkg/TestCase/UEFI/EFI/Protocol/EraseBlock/BlackBoxTest/EraseBl= ock
> BBTestFunction.c b/uefi-
> sct/SctPkg/TestCase/UEFI/EFI/Protocol/EraseBlock/BlackBoxTest/EraseBl= ock
> BBTestFunction.c
>
> index cbf43e1d..dbbb70c6 100644
>
> --- a/uefi-
> sct/SctPkg/TestCase/UEFI/EFI/Protocol/EraseBlock/BlackBoxTest/EraseBl= ock
> BBTestFunction.c
>
> +++ b/uefi-
> sct/SctPkg/TestCase/UEFI/EFI/Protocol/EraseBlock/BlackBoxTest/EraseBl= ock
> BBTestFunction.c
>
> @@ -71,6 +71,7 @@ BBTestEraseBlocksFunctionTest (
>
>    UINT64       &nb= sp;            =             Index; >
>    UINTN       &nbs= p;            &= nbsp;            Ind= ex1;
>
>    UINTN       &nbs= p;            &= nbsp;            Rem= ainder;
>
> +  UINT64         &= nbsp;           &nbs= p;          EraseCounter;
>
>
>
>    EFI_ERASE_BLOCK_TOKEN     =             Token; >
>    EFI_BLOCK_IO2_TOKEN     &n= bsp;            = ; BlockIo2Token;
>
> @@ -223,26 +224,41 @@ BBTestEraseBlocksFunctionTest (
>
>          // Read the dat= a with 0, the first/last block should not be erased
>
>          ReadStatus =3D = BlockIo->ReadBlocks (BlockIo, MediaId, Lba, BufferSize,
> (VOID*)Buffer2);
>
>          if (ReadStatus = = =3D=3D EFI_SUCCESS) {
>
> -          for (Index1 = =3D 0; Index1 < BlockSize; Index1++) {
>
> -            i= f (Buffer2[Index1] !=3D 0) {
>
> +          for (Index1 = =3D 0, EraseCounter =3D 0; Index1 < BlockSize; Index1++) {
>
> +            i= f (Buffer2[Index1] !=3D 0x00 && Buffer2[Index1] !=3D 0xFF) {
>
>           &nbs= p;    IsZero1 =3D FALSE;
>
>           &nbs= p;    break;
>
> +            }= else if (Buffer2[Index1] =3D=3D 0x00) {
>
> +           &n= bsp;  EraseCounter++;
>
>           &nbs= p;  }
>
>            } >
> +          if (EraseCoun= ter!=3D0 && EraseCounter!=3DBlockSize) {
>
> +            I= sZero1 =3D FALSE;
>
> +          }
>
>
>
> -          for (Index1 = =3D BlockSize; Index1 < BufferSize - BlockSize; Index1++) {
>
> -            i= f (Buffer2[Index1] !=3D 0) {
>
> +          for (Index1 = =3D BlockSize, EraseCounter =3D 0; Index1 < BufferSize -
> BlockSize; Index1++) {
>
> +            i= f (Buffer2[Index1] !=3D 0x00 && Buffer2[Index1] !=3D 0xFF) {
>
>           &nbs= p;    IsZero2 =3D FALSE;
>
>           &nbs= p;    break;
>
> +            }= else if (Buffer2[Index1] =3D=3D 0x00) {
>
> +           &n= bsp;  EraseCounter++;
>
>           &nbs= p;  }
>
>            } >
> +          if (EraseCoun= ter!=3D0 && EraseCounter!=3D(BufferSize - (BlockSize*2))) {
>
> +            I= sZero2 =3D FALSE;
>
> +          }
>
>
>
> -          for (Index1 = =3D BufferSize - BlockSize; Index1 < BufferSize; Index1++) {
>
> -            i= f (Buffer2[Index1] !=3D 0) {
>
> +          for (Index1 = =3D BufferSize - BlockSize, EraseCounter =3D 0; Index1 <
> BufferSize; Index1++) {
>
> +            i= f (Buffer2[Index1] !=3D 0x00 && Buffer2[Index1] !=3D 0xFF) {
>
>           &nbs= p;    IsZero3 =3D FALSE;
>
>           &nbs= p;    break;
>
> +            }= else if (Buffer2[Index1] =3D=3D 0x00) {
>
> +           &n= bsp;  EraseCounter++;
>
>           &nbs= p;  }
>
>            } >
> +          if (EraseCoun= ter!=3D0 && EraseCounter!=3DBlockSize) {
>
> +            I= sZero3 =3D FALSE;
>
> +          }
>
>
>
>            if = ((EraseStatus =3D=3D EFI_SUCCESS) && (IsZero1 =3D=3D FALSE) &&a= mp; (IsZero2 =3D=3D
> TRUE) && ((IsZero3 =3D=3D FALSE)))
>
>           &nbs= p;  AssertionType =3D EFI_TEST_ASSERTION_PASSED;
>
> @@ -492,26 +508,41 @@ BlockIo2:
>
>          // Read the dat= a with 0, the first/last block should not be erased
>
>          ReadStatus =3D = BlockIo2->ReadBlocksEx (BlockIo2, MediaId, Lba,
> &BlockIo2Token, BufferSize, (VOID*)Buffer2);
>
>          if (ReadStatus = = =3D=3D EFI_SUCCESS) {
>
> -          for (Index1 = =3D 0; Index1 < BlockSize; Index1++) {
>
> -            i= f (Buffer2[Index1] !=3D 0) {
>
> +          for (Index1 = =3D 0, EraseCounter =3D 0; Index1 < BlockSize; Index1++) {
>
> +            i= f (Buffer2[Index1] !=3D 0x00 && Buffer2[Index1] !=3D 0xFF) {
>
>           &nbs= p;    IsZero1 =3D FALSE;
>
>           &nbs= p;    break;
>
> +            }= else if (Buffer2[Index1] =3D=3D 0x00) {
>
> +           &n= bsp;  EraseCounter++;
>
>           &nbs= p;  }
>
>            } >
> +          if (EraseCoun= ter!=3D0 && EraseCounter!=3DBlockSize) {
>
> +            I= sZero1 =3D FALSE;
>
> +          }
>
>
>
> -          for (Index1 = =3D BlockSize; Index1 < BufferSize - BlockSize; Index1++) {
>
> -            i= f (Buffer2[Index1] !=3D 0) {
>
> +          for (Index1 = =3D BlockSize, EraseCounter =3D 0; Index1 < BufferSize -
> BlockSize; Index1++) {
>
> +            i= f (Buffer2[Index1] !=3D 0x00 && Buffer2[Index1] !=3D 0xFF) {
>
>           &nbs= p;    IsZero2 =3D FALSE;
>
>           &nbs= p;    break;
>
> +            }= else if (Buffer2[Index1] =3D=3D 0x00) {
>
> +           &n= bsp;  EraseCounter++;
>
>           &nbs= p;  }
>
>            } >
> +          if (EraseCoun= ter!=3D0 && EraseCounter!=3D(BufferSize - (BlockSize*2))) {
>
> +            I= sZero2 =3D FALSE;
>
> +          }
>
>
>
> -          for (Index1 = =3D BufferSize - BlockSize; Index1 < BufferSize; Index1++) {
>
> -            i= f (Buffer2[Index1] !=3D 0) {
>
> +          for (Index1 = =3D BufferSize - BlockSize, EraseCounter =3D 0; Index1 <
> BufferSize; Index1++) {
>
> +            i= f (Buffer2[Index1] !=3D 0x00 && Buffer2[Index1] !=3D 0xFF) {
>
>           &nbs= p;    IsZero3 =3D FALSE;
>
>           &nbs= p;    break;
>
> +            }= else if (Buffer2[Index1] =3D=3D 0x00) {
>
> +           &n= bsp;  EraseCounter++;
>
>           &nbs= p;  }
>
>            } >
> +          if (EraseCoun= ter!=3D0 && EraseCounter!=3DBlockSize) {
>
> +            I= sZero3 =3D FALSE;
>
> +          }
>
>
>
>            if = ((EraseStatus =3D=3D EFI_SUCCESS) && (IsZero1 =3D=3D FALSE) &&a= mp; (IsZero2 =3D=3D
> TRUE) && ((IsZero3 =3D=3D FALSE)))
>
>           &nbs= p;  AssertionType =3D EFI_TEST_ASSERTION_PASSED;
>
> --
>
> 2.26.2.windows.1
>
>
>
>
>
> -=3D-=3D-=3D-=3D-=3D-=3D
> Groups.io Links: You receive all messages sent to this group.
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> mahmoud@arm.com]
> -=3D-=3D-=3D-=3D-=3D-=3D
>

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