Changeset 75600 in vbox

Timestamp:

Nov 19, 2018 9:15:16 PM (6 years ago)

Author:

vboxsync

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

126770

Message:

VBoxGuestLib.h: Forgot to commit VbglR0QueryHostFeatures.

Location:

trunk

Files:

• include/VBox/VBoxGuestLib.h (modified) (1 diff)
• src/VBox/Additions/common/VBoxGuest/lib/VBoxGuestR0LibInit.cpp (modified) (3 diffs)

trunk/include/VBox/VBoxGuestLib.h

@@ -128 +128 @@
  */
 DECLR0VBGL(void)    VbglR0TerminateClient(void);
+
+/**
+ * Query the host feature mask.
+ *
+ * @returns VBox status code.
+ * @param   pfHostFeatures      Where to return the host feature mask,
+ *                              VMMDEV_HVF_XXX.
+ * @note    Client only. May fail we're unable to connect VBoxGuest.
+ */
+DECLR0VBGL(int)     VbglR0QueryHostFeatures(uint32_t *pfHostFeatures);
 
 

trunk/src/VBox/Additions/common/VBoxGuest/lib/VBoxGuestR0LibInit.cpp

@@ -82 +82 @@
  * values and fails if they are unavailable.
  */
-static void vbglR0QueryDriverInfo(void)
+static int vbglR0QueryDriverInfo(void)
 {
 # ifdef VBGLDATA_USE_FAST_MUTEX
@@ -129 +129 @@
 # endif
     }
+    return rc;
 }
 #endif /* !VBGL_VBOXGUEST */
@@ -312 +313 @@
 }
 
+
+DECLR0VBGL(int) VbglR0QueryHostFeatures(uint32_t *pfHostFeatures)
+{
+    if (g_vbgldata.status == VbglStatusReady)
+        *pfHostFeatures = g_vbgldata.hostVersion.features;
+    else
+    {
+        int rc = vbglR0QueryDriverInfo();
+        if (g_vbgldata.status != VbglStatusReady)
+            return rc;
+        *pfHostFeatures = g_vbgldata.hostVersion.features;
+    }
+
+    return VINF_SUCCESS;
+}
+
 #endif /* !VBGL_VBOXGUEST */