On 05/07/21 22:38, Brijesh Singh wrote:
> BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=3275
>
> Use the MemEncryptSevClearMmioPageEncMask() to clear memory encryption mask
> for the Mmio address range.
>
> Cc: James Bottomley <jejb@linux.ibm.com>
> Cc: Min Xu <min.m.xu@intel.com>
> Cc: Jiewen Yao <jiewen.yao@intel.com>
> Cc: Tom Lendacky <thomas.lendacky@amd.com>
> Cc: Jordan Justen <jordan.l.justen@intel.com>
> Cc: Ard Biesheuvel <ardb+tianocore@kernel.org>
> Cc: Laszlo Ersek <lersek@redhat.com>
> Cc: Erdem Aktas <erdemaktas@google.com>
> Signed-off-by: Brijesh Singh <brijesh.singh@amd.com>
> ---
> OvmfPkg/QemuFlashFvbServicesRuntimeDxe/FwBlockServiceDxe.c | 5 ++---
> OvmfPkg/QemuFlashFvbServicesRuntimeDxe/QemuFlashSmm.c | 5 ++---
> 2 files changed, 4 insertions(+), 6 deletions(-)
>
> diff --git a/OvmfPkg/QemuFlashFvbServicesRuntimeDxe/FwBlockServiceDxe.c b/OvmfPkg/QemuFlashFvbServicesRuntimeDxe/FwBlockServiceDxe.c
> index 1f285e008372..ab40087a8408 100644
> --- a/OvmfPkg/QemuFlashFvbServicesRuntimeDxe/FwBlockServiceDxe.c
> +++ b/OvmfPkg/QemuFlashFvbServicesRuntimeDxe/FwBlockServiceDxe.c
> @@ -205,11 +205,10 @@ MarkIoMemoryRangeForRuntimeAccess (
> // memory range.
> //
> if (MemEncryptSevIsEnabled ()) {
> - Status = MemEncryptSevClearPageEncMask (
> + Status = MemEncryptSevClearMmioPageEncMask (
> 0,
> BaseAddress,
> - EFI_SIZE_TO_PAGES (Length),
> - FALSE
> + EFI_SIZE_TO_PAGES (Length)
> );
> ASSERT_EFI_ERROR (Status);
> }
> diff --git a/OvmfPkg/QemuFlashFvbServicesRuntimeDxe/QemuFlashSmm.c b/OvmfPkg/QemuFlashFvbServicesRuntimeDxe/QemuFlashSmm.c
> index 7eb80bfeffae..ea75b489c7fd 100644
> --- a/OvmfPkg/QemuFlashFvbServicesRuntimeDxe/QemuFlashSmm.c
> +++ b/OvmfPkg/QemuFlashFvbServicesRuntimeDxe/QemuFlashSmm.c
> @@ -38,11 +38,10 @@ QemuFlashBeforeProbe (
> // C-bit on flash ranges from SMM page table.
> //
>
> - Status = MemEncryptSevClearPageEncMask (
> + Status = MemEncryptSevClearMmioPageEncMask (
> 0,
> BaseAddress,
> - EFI_SIZE_TO_PAGES (FdBlockSize * FdBlockCount),
> - FALSE
> + EFI_SIZE_TO_PAGES (FdBlockSize * FdBlockCount)
> );
> ASSERT_EFI_ERROR (Status);
> }
>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
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