Re: [edk2-devel] [PATCH] SecurityPkg: Add RPMC Index to the RpmcLib

["Wang, Jian J" <jian.j.wang@intel.com>]

Liming,

Sorry, I didn't notice it. But the patch was just updating the existing code. It'd be
more like bug fix than feature, I think.

Regards,
Jian

> -----Original Message-----
> From: devel@edk2.groups.io <devel@edk2.groups.io> On Behalf Of gaoliming
> Sent: Friday, November 20, 2020 2:27 PM
> To: devel@edk2.groups.io; Wang, Jian J <jian.j.wang@intel.com>; Mistry,
> Nishant C <nishant.c.mistry@intel.com>
> Cc: gaoliming@byosoft.com.cn
> Subject: 回复: [edk2-devel] [PATCH] SecurityPkg: Add RPMC Index to the
> RpmcLib
> 
> Jian:
>  This change is like a feature instead of bug fix. Now, we are in soft
> feature freeze phase.
>  According to SFF definition
> https://github.com/tianocore/tianocore.github.io/wiki/SoftFeatureFreeze,
>  this feature should be deferred to next stable tag.
> 
>  So, I suggest to revert this change, and merge it after the stable tag
> 202011.
> 
> Thanks
> Liming
> > -----邮件原件-----
> > 发件人: bounce+27952+67669+4905953+8761045@groups.io
> > <bounce+27952+67669+4905953+8761045@groups.io> 代表 Wang, Jian J
> > 发送时间: 2020年11月18日 11:35
> > 收件人: devel@edk2.groups.io; Mistry, Nishant C
> > <nishant.c.mistry@intel.com>
> > 主题: Re: [edk2-devel] [PATCH] SecurityPkg: Add RPMC Index to the RpmcLib
> >
> >
> > Reviewed-by: Jian J Wang <jian.j.wang@intel.com>
> >
> > Regards,
> > Jian
> >
> > > -----Original Message-----
> > > From: devel@edk2.groups.io <devel@edk2.groups.io> On Behalf Of Nishant
> > > Mistry
> > > Sent: Thursday, November 12, 2020 2:49 AM
> > > To: devel@edk2.groups.io
> > > Subject: [edk2-devel] [PATCH] SecurityPkg: Add RPMC Index to the RpmcLib
> > >
> > > REF: https://bugzilla.tianocore.org/show_bug.cgi?id=2594
> > >
> > > The re-design requires multiple RPMC counter usages.
> > > The consumer will be capable of selecting amongst multiple counters.
> > >
> > > Signed-off-by: Nishant C Mistry <nishant.c.mistry@intel.com>
> > > ---
> > >  SecurityPkg/Include/Library/RpmcLib.h         | 6 +++++-
> > >  SecurityPkg/Library/RpmcLibNull/RpmcLibNull.c | 6 +++++-
> > >  2 files changed, 10 insertions(+), 2 deletions(-)
> > >
> > > diff --git a/SecurityPkg/Include/Library/RpmcLib.h
> > > b/SecurityPkg/Include/Library/RpmcLib.h
> > > index 5882bfae2f..3c15bce1ce 100644
> > > --- a/SecurityPkg/Include/Library/RpmcLib.h
> > > +++ b/SecurityPkg/Include/Library/RpmcLib.h
> > > @@ -14,6 +14,7 @@ SPDX-License-Identifier: BSD-2-Clause-Patent
> > >  /**
> > >    Requests the monotonic counter from the designated RPMC counter.
> > >
> > > +  @param[in]    CounterIndex            The RPMC index
> > >    @param[out]   CounterValue            A pointer to a buffer to
> > store the RPMC
> > > value.
> > >
> > >    @retval       EFI_SUCCESS             The operation completed
> > successfully.
> > > @@ -23,12 +24,15 @@ SPDX-License-Identifier: BSD-2-Clause-Patent
> > >  EFI_STATUS
> > >  EFIAPI
> > >  RequestMonotonicCounter (
> > > +  IN  UINT8   CounterIndex,
> > >    OUT UINT32  *CounterValue
> > >    );
> > >
> > >  /**
> > >    Increments the monotonic counter in the SPI flash device by 1.
> > >
> > > +  @param[in]    CounterIndex            The RPMC index
> > > +
> > >    @retval       EFI_SUCCESS             The operation completed
> > successfully.
> > >    @retval       EFI_DEVICE_ERROR        A device error occurred
> > while attempting
> > > to update the counter.
> > >    @retval       EFI_UNSUPPORTED         The operation is
> > un-supported.
> > > @@ -36,7 +40,7 @@ RequestMonotonicCounter (
> > >  EFI_STATUS
> > >  EFIAPI
> > >  IncrementMonotonicCounter (
> > > -  VOID
> > > +  IN  UINT8   CounterIndex
> > >    );
> > >
> > >  #endif
> > > diff --git a/SecurityPkg/Library/RpmcLibNull/RpmcLibNull.c
> > > b/SecurityPkg/Library/RpmcLibNull/RpmcLibNull.c
> > > index e1dd09eb10..697e493a7c 100644
> > > --- a/SecurityPkg/Library/RpmcLibNull/RpmcLibNull.c
> > > +++ b/SecurityPkg/Library/RpmcLibNull/RpmcLibNull.c
> > > @@ -12,6 +12,7 @@ SPDX-License-Identifier: BSD-2-Clause-Patent
> > >  /**
> > >    Requests the monotonic counter from the designated RPMC counter.
> > >
> > > +  @param[in]    CounterIndex            The RPMC index
> > >    @param[out]   CounterValue            A pointer to a buffer to
> > store the RPMC
> > > value.
> > >
> > >    @retval       EFI_SUCCESS             The operation completed
> > successfully.
> > > @@ -21,6 +22,7 @@ SPDX-License-Identifier: BSD-2-Clause-Patent
> > >  EFI_STATUS
> > >  EFIAPI
> > >  RequestMonotonicCounter (
> > > +  IN  UINT8   CounterIndex,
> > >    OUT UINT32  *CounterValue
> > >    )
> > >  {
> > > @@ -31,6 +33,8 @@ RequestMonotonicCounter (
> > >  /**
> > >    Increments the monotonic counter in the SPI flash device by 1.
> > >
> > > +  @param[in]    CounterIndex            The RPMC index
> > > +
> > >    @retval       EFI_SUCCESS             The operation completed
> > successfully.
> > >    @retval       EFI_DEVICE_ERROR        A device error occurred
> > while attempting
> > > to update the counter.
> > >    @retval       EFI_UNSUPPORTED         The operation is
> > un-supported.
> > > @@ -38,7 +42,7 @@ RequestMonotonicCounter (
> > >  EFI_STATUS
> > >  EFIAPI
> > >  IncrementMonotonicCounter (
> > > -  VOID
> > > +  IN  UINT8   CounterIndex
> > >    )
> > >  {
> > >    ASSERT (FALSE);
> > > --
> > > 2.16.2.windows.1
> > >
> > >
> > >
> > >
> > >
> >
> >
> >
> >
> >
> 
> 
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