Reviewed-by: Jiewen Yao <jiewen....@intel.com> > -----Original Message----- > From: Xu, Min M <min.m...@intel.com> > Sent: Monday, August 21, 2023 11:51 AM > To: devel@edk2.groups.io > Cc: Xu, Min M <min.m...@intel.com>; Aktas, Erdem <erdemak...@google.com>; > James Bottomley <j...@linux.ibm.com>; Yao, Jiewen <jiewen....@intel.com>; > Gerd Hoffmann <kra...@redhat.com>; Tom Lendacky > <thomas.lenda...@amd.com>; Michael Roth <michael.r...@amd.com> > Subject: [PATCH V1 1/1] OvmfPkg/TdxDxe: Change MadtMpWk->MailBoxVersion > from 1 to 0 > > From: Min M Xu <min.m...@intel.com> > > BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=4527 > > According to ACPI 6.5 (https://uefi.org/specs/ACPI/6.5/05_ACPI_Software > _Programming_Model.html?highlight=mailboxversion#multiprocessor-wakeup- > structure) the MailBoxVersion is 0. > > This patch changed MadtMpWk->MailBoxVersion from 1 to 0 to fix the error. > > Cc: Erdem Aktas <erdemak...@google.com> > Cc: James Bottomley <j...@linux.ibm.com> > Cc: Jiewen Yao <jiewen....@intel.com> > Cc: Gerd Hoffmann <kra...@redhat.com> > Cc: Tom Lendacky <thomas.lenda...@amd.com> > Cc: Michael Roth <michael.r...@amd.com> > Signed-off-by: Min Xu <min.m...@intel.com> > --- > OvmfPkg/TdxDxe/TdxAcpiTable.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/OvmfPkg/TdxDxe/TdxAcpiTable.c b/OvmfPkg/TdxDxe/TdxAcpiTable.c > index 5dc27e23ad71..d6d6975e5676 100644 > --- a/OvmfPkg/TdxDxe/TdxAcpiTable.c > +++ b/OvmfPkg/TdxDxe/TdxAcpiTable.c > @@ -186,7 +186,7 @@ AlterAcpiTable ( > MadtMpWk = > (EFI_ACPI_6_4_MULTIPROCESSOR_WAKEUP_STRUCTURE *)(NewMadtTable + > Table->Length); > MadtMpWk->Type = EFI_ACPI_6_4_MULTIPROCESSOR_WAKEUP; > MadtMpWk->Length = sizeof > (EFI_ACPI_6_4_MULTIPROCESSOR_WAKEUP_STRUCTURE); > - MadtMpWk->MailBoxVersion = 1; > + MadtMpWk->MailBoxVersion = 0; > MadtMpWk->Reserved = 0; > MadtMpWk->MailBoxAddress = RelocateMailboxAddress; > > -- > 2.39.1.windows.1
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