Changeset 89235 in vbox for trunk/include/VBox

Timestamp:

May 24, 2021 7:31:02 AM (4 years ago)

Author:

vboxsync

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

144578

Message:

Intel IOMMU: bugref:9967 Address translation, WIP.

File:

• trunk/include/VBox/iommu-intel.h (modified) (1 diff)

trunk/include/VBox/iommu-intel.h

@@ -1341 +1341 @@
 
 /**
- * VT-d FRCD type requests (FRCD_REG::T2).
+ * VT-d faulted request types (FRCD_REG::T2).
  * In accordance with the Intel spec.
  */
 typedef enum VTDREQTYPE
 {
-    VTDREQTYPE_WRITE = 0,
-    VTDREQTYPE_PAGE,
-    VTDREQTYPE_READ,
-    VTDREQTYPE_ATOMIC_OP
+    VTDREQTYPE_WRITE = 0,   /**< Memory access write request. */
+    VTDREQTYPE_PAGE,        /**< Page translation request. */
+    VTDREQTYPE_READ,        /**< Memory access read request. */
+    VTDREQTYPE_ATOMIC_OP    /**< Memory access atomic operation. */
 } VTDREQTYPE;
+
+
+/** @name VT-d faulted request attributes (FRCD_REG::EXE, FRCD_REG::PRIV).
+ * In accordance with the Intel spec.
+ * @{
+ */
+/** Supervisory privilege was requested. */
+#define VTD_REQ_ATTR_PRIV                                       RT_BIT(0)
+/** Execute permission was requested. */
+#define VTD_REQ_ATTR_EXE                                        RT_BIT(1)
+/** @} */