Changeset 77256 in vbox for trunk/src/VBox/Runtime/common/dvm/dvmgpt.cpp

Timestamp:

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

Author:

vboxsync

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

128763

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/common/dvm/dvmgpt.cpp (modified) (2 diffs)

trunk/src/VBox/Runtime/common/dvm/dvmgpt.cpp

@@ -493 +493 @@
 static DECLCALLBACK(uint64_t) rtDvmFmtGptVolumeGetFlags(RTDVMVOLUMEFMT hVolFmt)
 {
-    NOREF(hVolFmt); /* No supported flags for now. */
-    return 0;
+    NOREF(hVolFmt);
+    return DVMVOLUME_F_CONTIGUOUS;
+}
+
+static DECLCALLBACK(int) rtDvmFmtGptVolumeQueryRange(RTDVMVOLUMEFMT hVolFmt, uint64_t *poffStart, uint64_t *poffEnd)
+{
+    PRTDVMVOLUMEFMTINTERNAL pVol = hVolFmt;
+    *poffStart = pVol->offStart;
+    *poffEnd   = pVol->offStart + pVol->cbVolume - 1;
+    return VINF_SUCCESS;
 }
 
@@ -563 +571 @@
     /* pfnVolumeGetFlags */
     rtDvmFmtGptVolumeGetFlags,
+    /* pfnVolumeQueryRange */
+    rtDvmFmtGptVolumeQueryRange,
     /* pfnVolumeIsRangeIntersecting */
     rtDvmFmtGptVolumeIsRangeIntersecting,