Patch is pushed - 80e67af9afcac3b860384cdb1f4613f7240e1630.. b9af5037b270c4767b275fd5d23b942c422e742f
> -----Original Message----- > From: Brijesh Singh <brijesh.si...@amd.com> > Sent: Tuesday, August 17, 2021 9:47 PM > To: devel@edk2.groups.io > Cc: James Bottomley <j...@linux.ibm.com>; Xu, Min M <min.m...@intel.com>; > Yao, Jiewen <jiewen....@intel.com>; Tom Lendacky > <thomas.lenda...@amd.com>; Justen, Jordan L <jordan.l.jus...@intel.com>; > Ard Biesheuvel <ardb+tianoc...@kernel.org>; Erdem Aktas > <erdemak...@google.com>; Michael Roth <michael.r...@amd.com>; Brijesh > Singh <brijesh.si...@amd.com> > Subject: [PATCH v3 0/3] reuse the SevEsWork area > > Based on the discussion on the mailing list, we agreed that instead > of wasting extra page in the MEMFD, we can reuse the SevEsWorkArea > buffer for the TDX. To avoid any confusion, lets introduce a OvmfWorkArea > that will contains 32 bytes of header followed by the actual workarea. > > While at it, move the code to clear the GHCB page from PageTable build > to AmdSev.asm. > > I have used the existing TDX BZ for it because the request came > during the TDX patch review. if anyone have concern please let me know > and I will happily create a new BZ. > > Full tree is at: https://github.com/AMDESE/ovmf/tree/sev-new-work-area > > Brijesh Singh (3): > OvmfPkg: introduce a common work area > OvmfPkg/ResetVector: update SEV support to use new work area format > OvmfPkg/ResetVector: move the GHCB page setup in AmdSev.asm > > Cc: James Bottomley <j...@linux.ibm.com> > Cc: Min Xu <min.m...@intel.com> > Cc: Jiewen Yao <jiewen....@intel.com> > Cc: Tom Lendacky <thomas.lenda...@amd.com> > Cc: Jordan Justen <jordan.l.jus...@intel.com> > Cc: Ard Biesheuvel <ardb+tianoc...@kernel.org> > Cc: Erdem Aktas <erdemak...@google.com> > > Changes since v2: > - address Tom's feedback > > Changes since v1: > - address Jiewen's feedback. > > Brijesh Singh (3): > OvmfPkg: introduce a common work area > OvmfPkg/ResetVector: update SEV support to use new work area format > OvmfPkg/ResetVector: move the GHCB page setup in AmdSev.asm > > OvmfPkg/OvmfPkg.dec | 12 +++ > OvmfPkg/OvmfPkgX64.fdf | 9 +- > OvmfPkg/PlatformPei/PlatformPei.inf | 4 +- > OvmfPkg/ResetVector/ResetVector.inf | 1 + > OvmfPkg/Sec/SecMain.inf | 2 + > OvmfPkg/Include/Library/MemEncryptSevLib.h | 21 +--- > OvmfPkg/Include/WorkArea.h | 67 +++++++++++++ > OvmfPkg/PlatformPei/MemDetect.c | 8 +- > OvmfPkg/Sec/SecMain.c | 36 ++++++- > OvmfPkg/OvmfPkgDefines.fdf.inc | 6 ++ > OvmfPkg/ResetVector/Ia32/AmdSev.asm | 109 +++++++++++++++++---- > OvmfPkg/ResetVector/Ia32/PageTables64.asm | 57 +++-------- > OvmfPkg/ResetVector/ResetVector.nasmb | 1 + > 13 files changed, 238 insertions(+), 95 deletions(-) > create mode 100644 OvmfPkg/Include/WorkArea.h > > -- > 2.17.1 -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#79893): https://edk2.groups.io/g/devel/message/79893 Mute This Topic: https://groups.io/mt/84947963/21656 Group Owner: devel+ow...@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [arch...@mail-archive.com] -=-=-=-=-=-=-=-=-=-=-=-
