Changeset 76693 in vbox for trunk/include

Timestamp:

Jan 8, 2019 6:07:36 AM (6 years ago)

Author:

vboxsync

Message:

os2/VBoxSF: Added fallbacks for older hosts that doesn't support embedded buffers and contiguous page lists.

File:

• trunk/include/VBox/VMMDevCoreTypes.h (modified) (4 diffs)

trunk/include/VBox/VMMDevCoreTypes.h

@@ -273 +273 @@
     VMMDevHGCMParmType_LinAddr_In         = 5,  /**< In  (read;  host<-guest) */
     VMMDevHGCMParmType_LinAddr_Out        = 6,  /**< Out (write; host->guest) */
-    VMMDevHGCMParmType_LinAddr_Locked     = 7,  /**< Locked In and Out */
-    VMMDevHGCMParmType_LinAddr_Locked_In  = 8,  /**< Locked In  (read;  host<-guest) */
-    VMMDevHGCMParmType_LinAddr_Locked_Out = 9,  /**< Locked Out (write; host->guest) */
+    VMMDevHGCMParmType_LinAddr_Locked     = 7,  /**< Locked In and Out - for VBoxGuest, not host. */
+    VMMDevHGCMParmType_LinAddr_Locked_In  = 8,  /**< Locked In  (read;  host<-guest) - for VBoxGuest, not host. */
+    VMMDevHGCMParmType_LinAddr_Locked_Out = 9,  /**< Locked Out (write; host->guest) - for VBoxGuest, not host. */
     VMMDevHGCMParmType_PageList           = 10, /**< Physical addresses of locked pages for a buffer. */
     VMMDevHGCMParmType_Embedded           = 11, /**< Small buffer embedded in request. */
@@ -309 +309 @@
         struct
         {
-            uint32_t size;      /**< Size of the buffer described by the page list. */
-            uint32_t offset;    /**< Relative to the request header of a HGCMPageListInfo structure, valid if size != 0. */
+            uint32_t  cb;
+            RTGCPTR32 uAddr;
+        } LinAddr;                      /**< Shorter version of the above Pointer structure. */
+        struct
+        {
+            uint32_t size;              /**< Size of the buffer described by the page list. */
+            uint32_t offset;            /**< Relative to the request header of a HGCMPageListInfo structure, valid if size != 0. */
         } PageList;
         struct
@@ -388 +393 @@
         struct
         {
-            uint32_t size;   /**< Size of the buffer described by the page list. */
-            uint32_t offset; /**< Relative to the request header, valid if size != 0. */
+            uint32_t  cb;
+            RTGCPTR64 uAddr;
+        } LinAddr;                      /**< Shorter version of the above Pointer structure. */
+        struct
+        {
+            uint32_t size;              /**< Size of the buffer described by the page list. */
+            uint32_t offset;            /**< Relative to the request header, valid if size != 0. */
         } PageList;
         struct
@@ -482 +492 @@
         struct
         {
-            uint32_t size;   /**< Size of the buffer described by the page list. */
-            uint32_t offset; /**< Relative to the request header, valid if size != 0. */
+            uint32_t  cb;
+            RTGCPTR32 uAddr;
+        } LinAddr;                      /**< Shorter version of the above Pointer structure. */
+        struct
+        {
+            uint32_t size;              /**< Size of the buffer described by the page list. */
+            uint32_t offset;            /**< Relative to the request header, valid if size != 0. */
         } PageList;
         struct