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SecurityPkg/Tcg2Config: remove TPM2_ChangEPS if it is not supported.

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REF: https://bugzilla.tianocore.org/show_bug.cgi?id=2793

In current implementation TPM2_ChangeEPS command is always available
in the TPM2 operation pull down list in TCG2 Configuration, which
is confusing when the command is not supported by specific TPM chip.
As a user experience improvement, TPM2_ChangeEPS command should be
removed from the list when it is not supported.

Cc: Jiewen Yao <jiewen.yao@intel.com>
Cc: Jian J Wang <jian.j.wang@intel.com>
Cc: Chao Zhang <chao.b.zhang@intel.com>
Cc: Rahul Kumar <rahul1.kumar@intel.com>
Signed-off-by: Qi Zhang <qi1.zhang@intel.com>
Reviewed-by: Jiewen Yao <jiewen.yao@intel.com>
This commit is contained in:
Qi Zhang
2020-07-28 16:20:40 +08:00
committed by mergify[bot]
parent 1b0d659e6d
commit 3887820e5f
3 changed files with 10 additions and 0 deletions
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2
SecurityPkg/Tcg/Tcg2Config/Tcg2Config.vfr
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@@ -144,7 +144,9 @@ formset
option text = STRING_TOKEN(STR_TCG2_DISABLE), value = TCG2_PHYSICAL_PRESENCE_DISABLE, flags = RESET_REQUIRED;
option text = STRING_TOKEN(STR_TCG2_CLEAR), value = TCG2_PHYSICAL_PRESENCE_CLEAR, flags = RESET_REQUIRED;
option text = STRING_TOKEN(STR_TCG2_SET_PCD_BANKS), value = TCG2_PHYSICAL_PRESENCE_SET_PCR_BANKS, flags = RESET_REQUIRED;
suppressif ideqval TCG2_CONFIGURATION_INFO.ChangeEPSSupported == 0;
option text = STRING_TOKEN(STR_TCG2_CHANGE_EPS), value = TCG2_PHYSICAL_PRESENCE_CHANGE_EPS, flags = RESET_REQUIRED;
endif
option text = STRING_TOKEN(STR_TCG2_LOG_ALL_DIGESTS), value = TCG2_PHYSICAL_PRESENCE_LOG_ALL_DIGESTS, flags = RESET_REQUIRED;
option text = STRING_TOKEN(STR_TCG2_DISABLE_ENDORSEMENT_ENABLE_STORAGE_HIERARCHY), value = TCG2_PHYSICAL_PRESENCE_DISABLE_ENDORSEMENT_ENABLE_STORAGE_HIERARCHY, flags = RESET_REQUIRED;
endoneof;