Changeset 47737 in vbox

Timestamp:

Aug 14, 2013 7:50:27 PM (11 years ago)

Author:

vboxsync

Message:

HM.cpp: Added APIs for checking whether VT-x and AMD-V are enabled.

Location:

trunk

Files:

• include/VBox/vmm/hm.h (modified) (1 diff)
• src/VBox/VMM/VMMR3/HM.cpp (modified) (2 diffs)

trunk/include/VBox/vmm/hm.h

@@ -189 +189 @@
 VMMR3DECL(bool)                 HMR3IsVpidActive(PUVM pVUM);
 VMMR3DECL(bool)                 HMR3IsUXActive(PUVM pVUM);
+VMMR3DECL(bool)                 HMR3IsSvmEnabled(PUVM pUVM);
+VMMR3DECL(bool)                 HMR3IsVmxEnabled(PUVM pUVM);
 
 VMMR3_INT_DECL(bool)            HMR3IsEventPending(PVMCPU pVCpu);

trunk/src/VBox/VMM/VMMR3/HM.cpp

@@ -2665 +2665 @@
  * enabled.
  *
- * @returns true if nested paging is being used, otherwise false.
+ * @returns true if VT-x or AMD-V is being used, otherwise false.
  * @param   pUVM        The user mode VM handle.
  * @sa      HMIsEnabled, HMIsEnabledNotMacro.
@@ -2675 +2675 @@
     VM_ASSERT_VALID_EXT_RETURN(pVM, false);
     return pVM->fHMEnabled; /* Don't use the macro as the GUI may query us very very early. */
+}
+
+
+/**
+ * External interface for querying whether VT-x is being used.
+ *
+ * @returns true if VT-x is being used, otherwise false.
+ * @param   pUVM        The user mode VM handle.
+ * @sa      HMR3IsSvmEnabled, HMIsEnabled
+ */
+VMMR3DECL(bool) HMR3IsVmxEnabled(PUVM pUVM)
+{
+    UVM_ASSERT_VALID_EXT_RETURN(pUVM, false);
+    PVM pVM = pUVM->pVM;
+    VM_ASSERT_VALID_EXT_RETURN(pVM, false);
+    return pVM->hm.s.vmx.fEnabled
+        && pVM->hm.s.vmx.fSupported
+        && pVM->fHMEnabled;
+}
+
+
+/**
+ * External interface for querying whether AMD-V is being used.
+ *
+ * @returns true if VT-x is being used, otherwise false.
+ * @param   pUVM        The user mode VM handle.
+ * @sa      HMR3IsVmxEnabled, HMIsEnabled
+ */
+VMMR3DECL(bool) HMR3IsSvmEnabled(PUVM pUVM)
+{
+    UVM_ASSERT_VALID_EXT_RETURN(pUVM, false);
+    PVM pVM = pUVM->pVM;
+    VM_ASSERT_VALID_EXT_RETURN(pVM, false);
+    return pVM->hm.s.svm.fEnabled
+        && pVM->hm.s.svm.fSupported
+        && pVM->fHMEnabled;
 }