Changeset 7437 in vbox for trunk/src/VBox/Additions/common

Timestamp:

Mar 12, 2008 4:11:04 PM (17 years ago)

Author:

vboxsync

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

28875

Message:

Additions/common: add ring 3 call to set guest capabilities and make vmmdevGetRequestSize work with the new request

File:

• trunk/src/VBox/Additions/common/VBoxGuestLib/VBoxGuestR3LibMisc.cpp (modified) (2 diffs)

trunk/src/VBox/Additions/common/VBoxGuestLib/VBoxGuestR3LibMisc.cpp

@@ -20 +20 @@
 *   Header Files                                                               *
 *******************************************************************************/
+#include <VBox/log.h>
+
 #include "VBGLR3Internal.h"
-
 
 /**
@@ -79 +80 @@
     return vbglR3DoIOCtl(VBOXGUEST_IOCTL_CTL_FILTER_MASK, &Info, sizeof(Info));
 }
+
+
+/**
+ * Report a change in the capabilities that we support to the host.
+ *
+ * @returns IPRT status value
+ * @param   u32OrMask  Capabilities which have been added
+ * @param   u32NotMask Capabilities which have been removed
+ */
+VBGLR3DECL(int) VbglR3SetGuestCaps(uint32_t u32OrMask, uint32_t u32NotMask)
+{
+    VMMDevReqGuestCapabilities2 vmmreqGuestCaps;
+    int rc = VINF_SUCCESS;
+
+    vmmdevInitRequest(&vmmreqGuestCaps.header, VMMDevReq_SetGuestCapabilities);
+    vmmreqGuestCaps.u32OrMask = u32OrMask;
+    vmmreqGuestCaps.u32NotMask = u32NotMask;
+    rc = vbglR3GRPerform(&vmmreqGuestCaps.header);
+#ifdef DEBUG
+    if (RT_SUCCESS(rc))
+        LogRel(("Successfully changed guest capabilities: or mask 0x%x, not mask 0x%x.\n",
+                u32OrMask, u32NotMask));
+    else
+        LogRel(("Failed to change guest capabilities: or mask 0x%x, not mask 0x%x.  rc = %Rrc.\n",
+                u32OrMask, u32NotMask, rc));
+#endif
+    return rc;
+}