Changeset 45091 in vbox for trunk/src/VBox/VMM/VMMRZ

Timestamp:

Mar 19, 2013 4:01:32 PM (12 years ago)

Author:

vboxsync

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

84380

Message:

VMM/VMMR0: HM old-code segregation.

File:

• trunk/src/VBox/VMM/VMMRZ/VMMRZ.cpp (modified) (2 diffs)

trunk/src/VBox/VMM/VMMRZ/VMMRZ.cpp

@@ -86 +86 @@
     pVM->vmm.s.pfnRCToHost(VINF_VMM_CALL_HOST);
 #else
+    if (pVCpu->vmm.s.pfnCallRing3CallbackR0)
+        pVCpu->vmm.s.pfnCallRing3CallbackR0(pVCpu, enmOperation, pVCpu->vmm.s.pvCallRing3CallbackUserR0);
     int rc = vmmR0CallRing3LongJmp(&pVCpu->vmm.s.CallRing3JmpBufR0, VINF_VMM_CALL_HOST);
     if (RT_FAILURE(rc))
@@ -175 +177 @@
 }
 
+
+/**
+ * Sets the ring-0 callback before doing the ring-3 call.
+ *
+ * @param   pVCpu         Pointer to the VMCPU.
+ * @param   pfnCallback   Pointer to the callback.
+ * @param   pvUser        The user argument.
+ *
+ * @return VBox status code.
+ */
+VMMRZDECL(int) VMMRZCallRing3SetNotification(PVMCPU pVCpu, PFNVMMR0CALLRING3NOTIFICATION pfnCallback, void *pvUser)
+{
+    AssertReturn(pVCpu, VERR_INVALID_POINTER);
+    AssertReturn(pfnCallback, VERR_INVALID_POINTER);
+
+    if (pVCpu->vmm.s.pfnCallRing3CallbackR0)
+        return VERR_ALREADY_EXISTS;
+
+    pVCpu->vmm.s.pfnCallRing3CallbackR0    = pfnCallback;
+    pVCpu->vmm.s.pvCallRing3CallbackUserR0 = pvUser;
+    return VINF_SUCCESS;
+}
+
+
+/**
+ * Removes the ring-0 callback.
+ *
+ * @param   pVCpu   Pointer to the VMCPU.
+ */
+VMMRZDECL(void) VMMRZCallRing3RemoveNotification(PVMCPU pVCpu)
+{
+    pVCpu->vmm.s.pfnCallRing3CallbackR0 = NULL;
+}
+