Changeset 15704 in vbox for trunk/include

Timestamp:

Dec 19, 2008 4:44:54 PM (16 years ago)

Author:

vboxsync

Message:

Introduced VbglHCGMCall32 for supporting 32 bits clients on 64 bits guests.

Location:

trunk/include/VBox

Files:

• VBoxGuest.h (modified) (2 diffs)
• VBoxGuestLib.h (modified) (1 diff)

trunk/include/VBox/VBoxGuest.h

@@ -916 +916 @@
 #pragma pack()
 
-#define VMMDEV_HGCM_CALL_PARMS(a) ((HGCMFunctionParameter *)((uint8_t *)a + sizeof (VMMDevHGCMCall)))
+#define VMMDEV_HGCM_CALL_PARMS(a)   ((HGCMFunctionParameter *)((uint8_t *)a + sizeof (VMMDevHGCMCall)))
+#define VMMDEV_HGCM_CALL_PARMS32(a) ((HGCMFunctionParameter32 *)((uint8_t *)a + sizeof (VMMDevHGCMCall)))
 
 #ifdef VBOX_WITH_64_BITS_GUESTS
@@ -1404 +1405 @@
 
 # define VBOXGUEST_HGCM_CALL_PARMS(a)       ((HGCMFunctionParameter *)((uint8_t *)(a) + sizeof (VBoxGuestHGCMCallInfo)))
+# define VBOXGUEST_HGCM_CALL_PARMS32(a)     ((HGCMFunctionParameter32 *)((uint8_t *)(a) + sizeof (VBoxGuestHGCMCallInfo)))
 
 #endif /* VBOX_WITH_HGCM */

trunk/include/VBox/VBoxGuestLib.h

@@ -200 +200 @@
 DECLVBGL(int) VbglHGCMCall (VBoxGuestHGCMCallInfo *pCallInfo,
                             VBGLHGCMCALLBACK *pAsyncCallback, void *pvAsyncData, uint32_t u32AsyncData);
+
+/** Call a HGCM service. (32 bits packet structure in a 64 bits guest)
+ *
+ * @note This function can deal with cancelled requests.
+ *
+ * @param pCallInfo       The request data.
+ * @param pAsyncCallback  Required pointer to function that is called when
+ *                        host returns VINF_HGCM_ASYNC_EXECUTE. VBoxGuest
+ *                        implements waiting for an IRQ in this function.
+ * @param pvAsyncData     An arbitrary VBoxGuest pointer to be passed to callback.
+ * @param u32AsyncData    An arbitrary VBoxGuest 32 bit value to be passed to callback.
+ *
+ * @return VBox status code.
+ */
+DECLVBGL(int) VbglHGCMCall32 (VBoxGuestHGCMCallInfo *pCallInfo,
+                              VBGLHGCMCALLBACK *pAsyncCallback, void *pvAsyncData, uint32_t u32AsyncData);
 
 #else /* !VBGL_VBOXGUEST */