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SecurityPkg: Cache TPM interface type info

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Cache TPM interface type info to avoid excessive interface ID register read

Cc: Long Qin <qin.long@intel.com>
Cc: Yao Jiewen <jiewen.yao@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Chao Zhang <chao.b.zhang@intel.com>
Reviewed-by: Long Qin <qin.long@intel.com>
This commit is contained in:
Zhang, Chao B
2018-05-08 14:51:57 +08:00
parent 796ef9da06
commit f15cb995bb
13 changed files with 148 additions and 145 deletions
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12
SecurityPkg/SecurityPkg.dec
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@@ -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