On Tue, 8 Jun 2021 at 20:07, Ashish Kalra <Ashish.Kalra@xxxxxxx> wrote: > > From: Ashish Kalra <ashish.kalra@xxxxxxx> > > Introduce a new AMD Memory Encryption GUID which is currently > used for defining a new UEFI environment variable which indicates > UEFI/OVMF support for the SEV live migration feature. This variable > is setup when UEFI/OVMF detects host/hypervisor support for SEV > live migration and later this variable is read by the kernel using > EFI runtime services to verify if OVMF supports the live migration > feature. > > Signed-off-by: Ashish Kalra <ashish.kalra@xxxxxxx> Acked-by: Ard Biesheuvel <ardb@xxxxxxxxxx> > --- > include/linux/efi.h | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/include/linux/efi.h b/include/linux/efi.h > index 6b5d36babfcc..dbd39b20e034 100644 > --- a/include/linux/efi.h > +++ b/include/linux/efi.h > @@ -362,6 +362,7 @@ void efi_native_runtime_setup(void); > > /* OEM GUIDs */ > #define DELLEMC_EFI_RCI2_TABLE_GUID EFI_GUID(0x2d9f28a2, 0xa886, 0x456a, 0x97, 0xa8, 0xf1, 0x1e, 0xf2, 0x4f, 0xf4, 0x55) > +#define AMD_SEV_MEM_ENCRYPT_GUID EFI_GUID(0x0cf29b71, 0x9e51, 0x433a, 0xa3, 0xb7, 0x81, 0xf3, 0xab, 0x16, 0xb8, 0x75) > > typedef struct { > efi_guid_t guid; > -- > 2.17.1 >