IntelSiliconPkg/VtdPmrPei: Add premem support.

[mirror_edk2.git] / IntelSiliconPkg / IntelSiliconPkg.dec

diff --git a/IntelSiliconPkg/IntelSiliconPkg.dec b/IntelSiliconPkg/IntelSiliconPkg.dec
index 663a2322fd3f551538d2410917b63adf3f690ce5..b88630d13835c1564779b134e6e3c3bc37e49850 100644 (file)
--- a/IntelSiliconPkg/IntelSiliconPkg.dec
+++ b/IntelSiliconPkg/IntelSiliconPkg.dec
@@ -33,6 +33,9 @@
   # Generic DXE Library / Driver can locate HOB(s) and add SMBIOS records into SMBIOS table\r
   gIntelSmbiosDataHobGuid         = { 0x798e722e, 0x15b2, 0x4e13, { 0x8a, 0xe9, 0x6b, 0xa3, 0x0f, 0xf7, 0xf1, 0x67 }}\r
 \r
+[Ppis]\r
+  gEdkiiVTdInfoPpiGuid = { 0x8a59fcb3, 0xf191, 0x400c, { 0x97, 0x67, 0x67, 0xaf, 0x2b, 0x25, 0x68, 0x4a } }\r
+\r
 [Protocols]\r
   gEdkiiPlatformVTdPolicyProtocolGuid = { 0x3d17e448, 0x466, 0x4e20, { 0x99, 0x9f, 0xb2, 0xe1, 0x34, 0x88, 0xee, 0x22 }}\r
 \r
@@ -44,3 +47,9 @@
   # { 0x56752da9, 0xde6b, 0x4895, 0x88, 0x19, 0x19, 0x45, 0xb6, 0xb7, 0x6c, 0x22 }\r
   gIntelSiliconPkgTokenSpaceGuid.PcdIntelGraphicsVbtFileGuid|{ 0xa9, 0x2d, 0x75, 0x56, 0x6b, 0xde, 0x95, 0x48, 0x88, 0x19, 0x19, 0x45, 0xb6, 0xb7, 0x6c, 0x22 }|VOID*|0x00000001\r
 \r
+  ## The mask is used to control VTd behavior.<BR><BR>\r
+  #  BIT0: Enable IOMMU during boot (If DMAR table is installed in DXE. If VTD_INFO_PPI is installed in PEI.)\r
+  #  BIT1: Enable IOMMU when transfer control to OS (ExitBootService in normal boot. EndOfPEI in S3)\r
+  # @Prompt The policy for VTd driver behavior.\r
+  gIntelSiliconPkgTokenSpaceGuid.PcdVTdPolicyPropertyMask|1|UINT8|0x00000002\r
+\r