Changeset 9662 in vbox for trunk/include

Timestamp:

Jun 12, 2008 2:48:02 PM (17 years ago)

Author:

vboxsync

Message:

Implemented cancelling of HGCM requests from the guest.

File:

• trunk/include/VBox/VBoxGuest.h (modified) (3 diffs)

trunk/include/VBox/VBoxGuest.h

@@ -169 +169 @@
     VMMDevReq_HGCMCall                   = 62,
 #endif /* VBOX_WITH_64_BITS_GUESTS */
+    VMMDevReq_HGCMCancel                 = 64,
 #endif
     VMMDevReq_VideoAccelEnable           = 70,
@@ -791 +792 @@
 
 #define VBOX_HGCM_MAX_PARMS 32
+
+/* The Cancel request is issued using the same physical memory address
+ * as was used for the corresponding initial HGCMCall.
+ */
+typedef struct
+{
+    /* request header */
+    VMMDevHGCMRequestHeader header;
+} VMMDevHGCMCancel;
 
 #endif /* VBOX_HGCM */
@@ -1372 +1382 @@
             return sizeof(VMMDevHGCMCall);
 #endif /* VBOX_WITH_64_BITS_GUESTS */
+        case VMMDevReq_HGCMCancel:
+            return sizeof(VMMDevHGCMCancel);
 #endif /* VBOX_HGCM */
         case VMMDevReq_VideoAccelEnable: