Round up the size of the SEV launch secret area to a whole page, as required by BuildMemoryAllocationHob. This will allow the secret area defined in the MEMFD to take less than a whole 4KB page.
Cc: Laszlo Ersek <ler...@redhat.com> Cc: Ard Biesheuvel <ardb+tianoc...@kernel.org> Cc: Jordan Justen <jordan.l.jus...@intel.com> Cc: Ashish Kalra <ashish.ka...@amd.com> Cc: Brijesh Singh <brijesh.si...@amd.com> Cc: Erdem Aktas <erdemak...@google.com> Cc: James Bottomley <j...@linux.ibm.com> Cc: Jiewen Yao <jiewen....@intel.com> Cc: Min Xu <min.m...@intel.com> Cc: Tom Lendacky <thomas.lenda...@amd.com> Ref: https://bugzilla.tianocore.org/show_bug.cgi?id=3457 Signed-off-by: Dov Murik <dovmu...@linux.ibm.com> --- OvmfPkg/AmdSev/SecretPei/SecretPei.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/OvmfPkg/AmdSev/SecretPei/SecretPei.c b/OvmfPkg/AmdSev/SecretPei/SecretPei.c index ad491515dd5d..db4267428e5a 100644 --- a/OvmfPkg/AmdSev/SecretPei/SecretPei.c +++ b/OvmfPkg/AmdSev/SecretPei/SecretPei.c @@ -15,9 +15,16 @@ InitializeSecretPei ( IN CONST EFI_PEI_SERVICES **PeiServices ) { + UINT64 RoundedSize; + + RoundedSize = PcdGet32 (PcdSevLaunchSecretSize); + if (RoundedSize % EFI_PAGE_SIZE != 0) { + RoundedSize = (RoundedSize / EFI_PAGE_SIZE + 1) * EFI_PAGE_SIZE; + } + BuildMemoryAllocationHob ( PcdGet32 (PcdSevLaunchSecretBase), - PcdGet32 (PcdSevLaunchSecretSize), + RoundedSize, EfiBootServicesData ); -- 2.25.1 -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#77512): https://edk2.groups.io/g/devel/message/77512 Mute This Topic: https://groups.io/mt/84016362/21656 Group Owner: devel+ow...@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [arch...@mail-archive.com] -=-=-=-=-=-=-=-=-=-=-=-
