Changeset 84314 in vbox

Timestamp:

May 15, 2020 5:13:53 AM (5 years ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

137984

Message:

AMD IOMMU: bugref:9654 DSFX, DSCX, DSSX revision numbers. Not sure we need them, but one of the BKDG (not all) has PCI config.
registers that report Marc bits via DSSX. Not yet sure we need to implement all those PCI config. registers as its not mentioned
anywhere in the actual spec. but only in the BKDG.

File:

• trunk/src/VBox/Devices/Bus/DevIommuAmd.cpp (modified) (2 diffs)

trunk/src/VBox/Devices/Bus/DevIommuAmd.cpp

@@ -483 +483 @@
 /** The IOTLB entry magic. */
 #define IOMMU_IOTLBE_MAGIC                          0x10acce55
+/** The device-specific feature major revision. */
+#define IOMMU_DEVSPEC_FEAT_MAJOR_VERSION            0x1
+/** The device-specific feature minor revision. */
+#define IOMMU_DEVSPEC_FEAT_MINOR_VERSION            0x0
+/** The device-specific control major revision. */
+#define IOMMU_DEVSPEC_CTRL_MAJOR_VERSION            0x1
+/** The device-specific control minor revision. */
+#define IOMMU_DEVSPEC_CTRL_MINOR_VERSION            0x0
+/** The device-specific status major revision. */
+#define IOMMU_DEVSPEC_STATUS_MAJOR_VERSION          0x1
+/** The device-specific status minor revision. */
+#define IOMMU_DEVSPEC_STATUS_MINOR_VERSION          0x0
 /** @} */
 
@@ -5809 +5821 @@
 
     pThis->DevSpecificFeat.u64   = 0;
-    pThis->DevSpecificCtrl.u64   = 0;
+    pThis->DevSpecificFeat.n.u4RevMajor = IOMMU_DEVSPEC_FEAT_MAJOR_VERSION;
+    pThis->DevSpecificFeat.n.u4RevMinor = IOMMU_DEVSPEC_FEAT_MINOR_VERSION;
+
+    pThis->DevSpecificCtrl.u64 = 0;
+    pThis->DevSpecificCtrl.n.u4RevMajor = IOMMU_DEVSPEC_CTRL_MAJOR_VERSION;
+    pThis->DevSpecificCtrl.n.u4RevMinor = IOMMU_DEVSPEC_CTRL_MINOR_VERSION;
+
     pThis->DevSpecificStatus.u64 = 0;
+    pThis->DevSpecificStatus.n.u4RevMajor = IOMMU_DEVSPEC_STATUS_MAJOR_VERSION;
+    pThis->DevSpecificStatus.n.u4RevMinor = IOMMU_DEVSPEC_STATUS_MINOR_VERSION;
 
     /*