Changeset 77256 in vbox for trunk/src/VBox/Runtime/include

Timestamp:

Feb 11, 2019 12:19:52 PM (6 years ago)

Author:

vboxsync

Message:

Runtime/RTDvm: Add flag to indicate that a volume is contiguous on the underlying medium and add method to query start and end offset of the volume

File:

• trunk/src/VBox/Runtime/include/internal/dvm.h (modified) (1 diff)

trunk/src/VBox/Runtime/include/internal/dvm.h

@@ -216 +216 @@
 
     /**
+     * Queries the range of the given volume on the underyling medium.
+     *
+     * @returns IPRT status code.
+     * @param   hVolFmt         The format specific volume handle.
+     * @param   poffStart       Where to store the start offset in bytes on the underlying medium.
+     * @param   poffEnd         Where to store the end offset in bytes on the underlying medium (inclusive).
+     */
+    DECLCALLBACKMEMBER(int, pfnVolumeQueryRange)(RTDVMVOLUMEFMT hVolFmt, uint64_t *poffStart, uint64_t *poffEnd);
+
+    /**
      * Returns whether the supplied range is at least partially intersecting
      * with the given volume.