Changeset 83733 in vbox

Timestamp:

Apr 17, 2020 7:23:23 AM (5 years ago)

Author:

vboxsync

Message:

AMD IOMMU: bugref:9654 Bits.

File:

• trunk/src/VBox/Devices/Bus/DevIommuAmd.cpp (modified) (1 diff)

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

@@ -2819 +2819 @@
     switch (uAddress)
     {
-        case IOMMU_PCI_OFF_CAP_HDR:
-        case IOMMU_PCI_OFF_RANGE_REG:
-        case IOMMU_PCI_OFF_MISCINFO_REG_0:
-        case IOMMU_PCI_OFF_MISCINFO_REG_1: /* We don't support guest-address translation (GASup=0). */
+        case IOMMU_PCI_OFF_CAP_HDR:         /* All fields are read-only. */
+        case IOMMU_PCI_OFF_RANGE_REG:       /* We don't have any devices integrated with the IOMMU. */
+        case IOMMU_PCI_OFF_MISCINFO_REG_0:  /* We don't support MSI-X. */
+        case IOMMU_PCI_OFF_MISCINFO_REG_1:  /* We don't support guest-address translation. */
         {
             Log((IOMMU_LOG_PFX ": PCI config write (%#RX32) to read-only register %#x -> Ignored\n", u32Value, uAddress));