Re: [PATCH 0/7] New implementation of MM communicate for standalone MM

["Ard Biesheuvel" <ard.biesheuvel@linaro.org>]

(adding PIWG and some other folks to cc)

On Mon, 6 Jan 2020 at 02:16, Gao, Liming <liming.gao@intel.com> wrote:
>
> Ard:
>  The changes are good to me. But, I think this change will not be added into MdePkg until PI1.7 errata A is published.
>

Hello all,

Due to the Huawei situation, and now the fact that there is little
movement in the PIWG, these changes have been in limbo for over a year
now.

Is there any way we can progress with this independently? Or push on
with the publication of PI 1.7 errata A ?

Thanks,
Ard.



> -----Original Message-----
> From: Ard Biesheuvel <ard.biesheuvel@linaro.org>
> Sent: 2020年1月3日 21:03
> To: Ard Biesheuvel <ard.biesheuvel@arm.com>
> Cc: edk2-devel-groups-io <devel@edk2.groups.io>; Kinney, Michael D <michael.d.kinney@intel.com>; Leif Lindholm <leif.lindholm@linaro.org>; Gao, Liming <liming.gao@intel.com>; Wu, Hao A <hao.a.wu@intel.com>; Dong, Eric <eric.dong@intel.com>; Ni, Ray <ray.ni@intel.com>; Achin Gupta <achin.gupta@arm.com>; Yao, Jiewen <jiewen.yao@intel.com>
> Subject: Re: [PATCH 0/7] New implementation of MM communicate for standalone MM
>
> On Fri, 6 Dec 2019 at 16:29, Ard Biesheuvel <ard.biesheuvel@arm.com> wrote:
> >
> > From: Ard Biesheuvel <ard.biesheuvel@linaro.org>
> >
> > This series implements the changes proposed by Mantis ticket 1993,
> > which describes how we need to modify the MM communicate protocol to
> > make it compatible with standalone MM based DXE_RUNTIME_DRIVER MM
> > client using virtually remapped memory.
> >
> > These changes have been accepted as errata for PI spec v1.7
> >
> > Cc: Michael D Kinney <michael.d.kinney@intel.com>
> > Cc: Leif Lindholm <leif.lindholm@linaro.org>
> > Cc: Liming Gao <liming.gao@intel.com>
> > Cc: Hao A Wu <hao.a.wu@intel.com>
> > Cc: Eric Dong <eric.dong@intel.com>
> > Cc: Ray Ni <ray.ni@intel.com>
> > Cc: Achin Gupta <achin.gupta@arm.com>
> > Cc: Jiewen Yao <jiewen.yao@intel.com>
> >
>
> Ping?
>
>
> > Ard Biesheuvel (7):
> >   MdePkg: introduce MM communicate 2 protocol
> >   MdeModulePkg/SmmIpl: expose MM communicate 2 protocol
> >   ArmPkg/MmCommunicationDxe: expose MM Communicate 2 protocol
> >   MdeModulePkg/VariableInfo: switch to MM communicate 2 protocol
> >   MdeModulePkg/FaultTolerantWriteSmmDxe: switch to MM communicate 2
> >     protocol
> >   MdeModulePkg/VariableSmmRuntimeDxe: switch to MM communicate 2
> >     protocol
> >   StandaloneMmPkg: switch to MM communicate 2 protocol
> >
> >  .../MmCommunicationDxe/MmCommunication.c      | 79 +++++++++----------
> >  .../MmCommunicationDxe/MmCommunication.inf    |  6 +-
> >  .../Application/VariableInfo/VariableInfo.c   | 19 +++--
> >  .../Application/VariableInfo/VariableInfo.inf |  2 +-
> >  MdeModulePkg/Core/PiSmmCore/PiSmmIpl.c        | 79 +++++++++++++++++++
> >  MdeModulePkg/Core/PiSmmCore/PiSmmIpl.inf      |  1 +
> >  MdeModulePkg/Include/Guid/SmmVariableCommon.h |  6 +-
> >  .../FaultTolerantWriteSmmCommon.h             |  2 +-
> >  .../FaultTolerantWriteSmmDxe.c                | 25 +++---
> >  .../FaultTolerantWriteSmmDxe.h                |  2 +-
> >  .../FaultTolerantWriteSmmDxe.inf              |  4 +-
> >  .../RuntimeDxe/VariableSmmRuntimeDxe.c        | 39 ++++-----
> >  .../RuntimeDxe/VariableSmmRuntimeDxe.inf      |  4 +-
> >  MdePkg/Include/Protocol/MmCommunication2.h    | 69 ++++++++++++++++
> >  MdePkg/MdePkg.dec                             |  7 ++
> >  StandaloneMmPkg/Core/StandaloneMmCore.h       |  2 +-
> >  .../StandaloneMmCpu/AArch64/StandaloneMmCpu.h |  2 +-
> >  17 files changed, 254 insertions(+), 94 deletions(-)  create mode
> > 100644 MdePkg/Include/Protocol/MmCommunication2.h
> >
> > --
> > 2.17.1
> >