X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=blobdiff_plain;f=SecurityPkg%2FSecurityPkg.dec;h=60f1c0a0e353d8edb1720241f5dde2fa026cf3f4;hp=497354634b9813252d381dcad8c5288833c4c3c7;hb=f15cb995bb3880b77e15afe6facd3da05e599a17;hpb=796ef9da06bf1ab81b0b55f091630aa50cf9dfe0

diff --git a/SecurityPkg/SecurityPkg.dec b/SecurityPkg/SecurityPkg.dec
index 497354634b..60f1c0a0e3 100644
--- a/SecurityPkg/SecurityPkg.dec
+++ b/SecurityPkg/SecurityPkg.dec
@@ -463,6 +463,16 @@
   # linked, and the value of this PCD should be got in module entrypoint.
   # @Prompt Hash Algorithm bitmap.
   gEfiSecurityPkgTokenSpaceGuid.PcdTcg2HashAlgorithmBitmap|0xFFFFFFFF|UINT32|0x00010016
-  
+
+  ## This PCD indicates current active TPM interface type.
+  #  Accodingt to TCG PTP spec 1.3, there are 3 types defined in TPM2_PTP_INTERFACE_TYPE.<BR>
+  #  0x00 - FIFO interface as defined in TIS 1.3 is active.<BR>
+  #  0x01 - FIFO interface as defined in PTP for TPM 2.0 is active.<BR>
+  #  0x02 - CRB interface is active.<BR>
+  #  0xFF - Contains no current active TPM interface type.<BR>
+  #
+  # @Prompt current active TPM interface type.
+  gEfiSecurityPkgTokenSpaceGuid.PcdActiveTpmInterfaceType|0xFF|UINT8|0x0001001E
+
 [UserExtensions.TianoCore."ExtraFiles"]
   SecurityPkgExtra.uni