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IntelSiliconPkg/dec: Add VTd policy PCD 

BIT0: This is to control if a platform wants to enable VTd
based protection during boot.
BIT1: This is to control if a platform wants to keep VTd
enabled at ExitBootService.

The default configuration is BIT0:1, BIT1:0.

Cc: Star Zeng <star.zeng@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jiewen Yao <jiewen.yao@intel.com>
Reviewed-by: Star Zeng <star.zeng@intel.com>
This commit is contained in:
Jiewen Yao 2017-09-04 09:49:55 +08:00
parent 89796c69d9
commit 0d12b73306
1 changed files with 6 additions and 0 deletions
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6
IntelSiliconPkg/IntelSiliconPkg.dec
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@ -44,3 +44,9 @@
# { 0x56752da9, 0xde6b, 0x4895, 0x88, 0x19, 0x19, 0x45, 0xb6, 0xb7, 0x6c, 0x22 }
gIntelSiliconPkgTokenSpaceGuid.PcdIntelGraphicsVbtFileGuid|{ 0xa9, 0x2d, 0x75, 0x56, 0x6b, 0xde, 0x95, 0x48, 0x88, 0x19, 0x19, 0x45, 0xb6, 0xb7, 0x6c, 0x22 }|VOID*|0x00000001
## The mask is used to control VTd behavior.<BR><BR>
# BIT0: Enable IOMMU during boot.
# BIT1: Enable IOMMU on exit boot service.
# @Prompt The policy for VTd driver behavior.
gIntelSiliconPkgTokenSpaceGuid.PcdVTdPolicyPropertyMask|1|UINT8|0x00000002