Changeset 100267 in vbox for trunk/src/VBox/Additions/common/VBoxGuest/lib/VBoxGuestR0LibInternal.h

Timestamp:

Jun 23, 2023 2:57:53 PM (2 years ago)

Author:

vboxsync

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

157982

Message:

Additions: Make the R0 physical heap configurable to allow for allocations >= 4GiB if supported by the VBox device (the MMIO request path is available), add support for the MMIO request path required for ARM, bugref:10457

File:

• trunk/src/VBox/Additions/common/VBoxGuest/lib/VBoxGuestR0LibInternal.h (modified) (2 diffs)

trunk/src/VBox/Additions/common/VBoxGuest/lib/VBoxGuestR0LibInternal.h

@@ -125 +125 @@
 typedef struct VBGLDATA
 {
-    enum VbglLibStatus status;
-
-    RTIOPORT portVMMDev;
-
-    VMMDevMemory *pVMMDevMemory;
+    /** Init status of the library. */
+    enum VbglLibStatus      status;
+    /** I/O port to issue requests to. */
+    RTIOPORT                portVMMDev;
+    /** MMIO request region if available. */
+    volatile uintptr_t      *pMmioReq;
+    /** VMMDev adapter memory region if available. */
+    VMMDevMemory            *pVMMDevMemory;
 
     /** Physical memory heap data.
@@ -149 +152 @@
     /** Head of the chunk list. */
     VBGLPHYSHEAPCHUNK      *pChunkHead;
+    /** Flag whether all allocations should be below 4GiB to fit into
+     * a 32-bit address. */
+    bool                   fAlloc32BitAddr;
     /** @} */