Changeset 76196 in vbox for trunk/src/VBox/Additions

Timestamp:

Dec 12, 2018 7:24:05 PM (6 years ago)

Author:

vboxsync

Message:

VMMDev/HGCM,VBoxGuest: New page list variant for more effectively passing physical contiguous buffers (VbglR0PhysHeapAlloc, kmalloc, ++). bugref:9172

File:

• trunk/src/VBox/Additions/common/VBoxGuest/lib/VBoxGuestR0LibHGCMInternal.cpp (modified) (3 diffs)

trunk/src/VBox/Additions/common/VBoxGuest/lib/VBoxGuestR0LibHGCMInternal.cpp

@@ -218 +218 @@
 
             case VMMDevHGCMParmType_PageList:
+            case VMMDevHGCMParmType_ContiguousPageList:
                 if (fIsUser)
                     return VERR_INVALID_PARAMETER;
@@ -553 +554 @@
 
             case VMMDevHGCMParmType_PageList:
-                pDstParm->type = VMMDevHGCMParmType_PageList;
+            case VMMDevHGCMParmType_ContiguousPageList:
+                pDstParm->type = pSrcParm->type;
                 pDstParm->u.PageList.size = pSrcParm->u.PageList.size;
                 if (pSrcParm->u.PageList.size)
@@ -857 +859 @@
 
             case VMMDevHGCMParmType_PageList:
+            case VMMDevHGCMParmType_ContiguousPageList:
                 pDstParm->u.PageList.size = pSrcParm->u.PageList.size;
                 break;