Re: [PATCH v15 0/8] Adds AmdSmmCpuFeaturesLib and MmSaveStateLib

["Chang, Abner" <abner.chang@amd.com>]

[AMD Official Use Only - General]

Thanks Ray, just saw it got merged. 😊

Abner

> -----Original Message-----
> From: Ni, Ray <ray.ni@intel.com>
> Sent: Monday, July 3, 2023 10:00 AM
> To: Attar, AbdulLateef (Abdul Lateef) <AbdulLateef.Attar@amd.com>;
> devel@edk2.groups.io
> Cc: Grimes, Paul <Paul.Grimes@amd.com>; Chang, Abner
> <Abner.Chang@amd.com>; Dong, Eric <eric.dong@intel.com>; Kumar, Rahul R
> <rahul.r.kumar@intel.com>; Gerd Hoffmann <kraxel@redhat.com>; Kinney,
> Michael D <michael.d.kinney@intel.com>; Gao, Liming
> <gaoliming@byosoft.com.cn>; Liu, Zhiguang <zhiguang.liu@intel.com>; Ard
> Biesheuvel <ardb+tianocore@kernel.org>; Yao, Jiewen
> <jiewen.yao@intel.com>; Justen, Jordan L <jordan.l.justen@intel.com>
> Subject: RE: [PATCH v15 0/8] Adds AmdSmmCpuFeaturesLib and
> MmSaveStateLib
>
> Caution: This message originated from an External Source. Use proper caution
> when opening attachments, clicking links, or responding.
>
>
> Thanks for reposting.
> I will merge it today through this PR:
> https://github.com/tianocore/edk2/pull/4599
>
> I tried to use your PR but there is a merge-commit there that failed in CI
> PatchCheck step.
>
> Thanks,
> Ray
>
> > -----Original Message-----
> > From: Abdul Lateef Attar <abdattar@amd.com>
> > Sent: Sunday, July 2, 2023 12:14 PM
> > To: devel@edk2.groups.io
> > Cc: Abdul Lateef Attar <abdattar@amd.com>; Paul Grimes
> > <paul.grimes@amd.com>; Abner Chang <abner.chang@amd.com>; Dong,
> Eric
> > <eric.dong@intel.com>; Ni, Ray <ray.ni@intel.com>; Kumar, Rahul R
> > <rahul.r.kumar@intel.com>; Gerd Hoffmann <kraxel@redhat.com>; Kinney,
> > Michael D <michael.d.kinney@intel.com>; Gao, Liming
> > <gaoliming@byosoft.com.cn>; Liu, Zhiguang <zhiguang.liu@intel.com>; Ard
> > Biesheuvel <ardb+tianocore@kernel.org>; Yao, Jiewen
> <jiewen.yao@intel.com>;
> > Justen, Jordan L <jordan.l.justen@intel.com>
> > Subject: [PATCH v15 0/8] Adds AmdSmmCpuFeaturesLib and
> MmSaveStateLib
> >
> > Backward-compatibility changes:
> >   This patch series removes the SmmCpuFeaturesReadSaveStateRegister
> >   and SmmCpuFeaturesWriteSaveStateRegister interface/function.
> >   SmmReadSaveState() and SmmWriteSaveState() now directly invokes
> > MmSaveStateLib
> >   routines to save/restore registers.
> >
> > PR: https://github.com/tianocore/edk2/pull/4597
> >
> > V15: Delta changes
> >   Rebase the branch and fix the merge conflicts.
> > V14: Delta changes
> >   Added @note to the MmSaveStateLib.h.
> >   SaveState(Read/Write) of
> >
> EFI_SMM_SAVE_STATE_REGISTER_PROCESSOR_ID/EFI_MM_SAVE_STATE_REG
> IS
> > TER_PROCESSOR_ID
> >   is handled by PiSmmCpuDxeSmm driver.
> >   Fixed PatchCheck warnings.
> > V13: Delta changes
> >   Address review comments from Ray Ni
> >   Changed the BASE _NAME of AmdSmmCpuFeaturesLib.
> >   Removed EFIAPI from local function.
> >   Removed CpuIndex parameter from MmSaveStateGetRegisterLma
> >   Modifed MmSaveStateGetRegisterIndex () to accept RegOffset
> >     as second parameter.
> >   Removed FILE_GUID library instance for intel implemention from
> > UefiCpuPkg.dsc.
> > V12:
> >   Addressed review comments from Michael.
> >   Added LibraryClasses to .inf file.
> >   removed duplicate MACRO definations.
> >   Moved related MACRO defination to respective file.
> > V11: Delta changes
> >   Drop the OVMF implementation of MmSaveStateLib
> > V10: Delta changes:
> >   Addressed review comments from Abner.
> > V9: Delta changes:
> >   Addressed review comments.
> >   Rename to MmSaveStateLib.
> >   Also rename SMM_ defines to MM_.
> >   Implemented OVMF MmSaveStateLib.
> >   Removes SmmCpuFeaturesReadSaveStateRegister and
> > SmmCpuFeaturesWriteSaveStateRegister
> >   function interface.
> > V8 delta changes:
> >    Addressed review comments from Abner,
> >    Fix the whitespace error.
> >    Seperate the Ovmf changes to another patch
> > V7 delta changes:
> >    Adds SmmSmramSaveStateLib for Intel processor.
> >    Integrate SmmSmramSaveStateLib library.
> > V6 delta changes:
> >    Addressed review comments for Ray NI.
> >    removed unnecessary EFIAPI.
> > V5 delta changes:
> >    rebase to master branch.
> >    updated Reviewed-by
> > V4 delta changes:
> >   rebase to master branch.
> >   added reviewed-by.
> > V3 delta changes:
> >   Addressed review comments from Abner chang.
> >   Re-arranged patch order.
> >
> > Cc: Paul Grimes <paul.grimes@amd.com>
> > Cc: Abner Chang <abner.chang@amd.com>
> > Cc: Eric Dong <eric.dong@intel.com>
> > Cc: Ray Ni <ray.ni@intel.com>
> > Cc: Rahul Kumar <rahul1.kumar@intel.com>
> > Cc: Gerd Hoffmann <kraxel@redhat.com>
> > Cc: Michael D Kinney <michael.d.kinney@intel.com>
> > Cc: Liming Gao <gaoliming@byosoft.com.cn>
> > Cc: Zhiguang Liu <zhiguang.liu@intel.com>
> > Cc: Ard Biesheuvel <ardb+tianocore@kernel.org>
> > Cc: Jiewen Yao <jiewen.yao@intel.com>
> > Cc: Jordan Justen <jordan.l.justen@intel.com>
> > Cc: Abdul Lateef Attar <abdattar@amd.com>
> >
> > Abdul Lateef Attar (8):
> >   MdePkg: Adds AMD SMRAM save state map
> >   UefiCpuPkg: Adds MmSaveStateLib library class
> >   UefiCpuPkg: Implements MmSaveStateLib library instance
> >   UefiCpuPkg/SmmCpuFeaturesLib: Restructure arch-dependent code
> >   UefiCpuPkg: Implements SmmCpuFeaturesLib for AMD Family
> >   UefiCpuPkg: Implements MmSaveStateLib for Intel
> >   UefiCpuPkg: Removes SmmCpuFeaturesReadSaveStateRegister
> >   OvmfPkg: Uses MmSaveStateLib library
> >
> >  UefiCpuPkg/UefiCpuPkg.dec                     |   4 +
> >  OvmfPkg/OvmfPkgIa32.dsc                       |   1 +
> >  OvmfPkg/OvmfPkgIa32X64.dsc                    |   3 +
> >  OvmfPkg/OvmfPkgX64.dsc                        |   1 +
> >  UefiCpuPkg/UefiCpuPkg.dsc                     |  12 +
> >  .../MmSaveStateLib/AmdMmSaveStateLib.inf      |  34 +
> >  .../MmSaveStateLib/IntelMmSaveStateLib.inf    |  34 +
> >  .../AmdSmmCpuFeaturesLib.inf                  |  38 +
> >  UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.inf  |   2 +
> >  .../Include/Register/Amd/SmramSaveStateMap.h  | 194 +++++
> >  UefiCpuPkg/Include/Library/MmSaveStateLib.h   |  74 ++
> >  .../Include/Library/SmmCpuFeaturesLib.h       |  52 --
> >  .../Library/MmSaveStateLib/MmSaveState.h      |  94 +++
> >  UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.h    |  56 +-
> >  .../SmmCpuFeaturesLib/SmmCpuFeaturesLib.c     | 767 ------------------
> >  .../Library/MmSaveStateLib/AmdMmSaveState.c   | 309 +++++++
> >  .../Library/MmSaveStateLib/IntelMmSaveState.c | 410 ++++++++++
> >  .../MmSaveStateLib/MmSaveStateCommon.c        | 132 +++
> >  .../SmmCpuFeaturesLib/AmdSmmCpuFeaturesLib.c  | 387 +++++++++
> >  .../IntelSmmCpuFeaturesLib.c                  |  70 ++
> >  .../SmmCpuFeaturesLibCommon.c                 | 128 ---
> >  UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.c    |  11 +-
> >  UefiCpuPkg/PiSmmCpuDxeSmm/SmramSaveState.c    | 500 +-----------
> >  MdePkg/MdePkg.ci.yaml                         |   4 +-
> >  24 files changed, 1809 insertions(+), 1508 deletions(-)
> >  create mode 100644
> > UefiCpuPkg/Library/MmSaveStateLib/AmdMmSaveStateLib.inf
> >  create mode 100644
> > UefiCpuPkg/Library/MmSaveStateLib/IntelMmSaveStateLib.inf
> >  create mode 100644
> > UefiCpuPkg/Library/SmmCpuFeaturesLib/AmdSmmCpuFeaturesLib.inf
> >  create mode 100644
> MdePkg/Include/Register/Amd/SmramSaveStateMap.h
> >  create mode 100644 UefiCpuPkg/Include/Library/MmSaveStateLib.h
> >  create mode 100644 UefiCpuPkg/Library/MmSaveStateLib/MmSaveState.h
> >  create mode 100644
> UefiCpuPkg/Library/MmSaveStateLib/AmdMmSaveState.c
> >  create mode 100644
> UefiCpuPkg/Library/MmSaveStateLib/IntelMmSaveState.c
> >  create mode 100644
> > UefiCpuPkg/Library/MmSaveStateLib/MmSaveStateCommon.c
> >  create mode 100644
> > UefiCpuPkg/Library/SmmCpuFeaturesLib/AmdSmmCpuFeaturesLib.c
> >
> > --
> > 2.25.1