Changeset 51102 in vbox for trunk/include/VBox/vd-ifs-internal.h

Timestamp:

Apr 18, 2014 9:57:44 AM (11 years ago)

Author:

vboxsync

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

93383

Message:

Storage/FilterCrypt: Remove hardcoded data unit size of 512 bytes and introduce interface to query the size from the generic layer

File:

• trunk/include/VBox/vd-ifs-internal.h (modified) (2 diffs)

trunk/include/VBox/vd-ifs-internal.h

@@ -407 +407 @@
                                                 size_t cbCheck, bool fAdvance));
 
+    /**
+     * Returns the data unit size, i.e. the smallest size for a transfer.
+     * (similar to the sector size of disks).
+     *
+     * @returns The data unit size.
+     * @param   pvUser         The opaque user data passed on container creation.
+     * @param   pIoCtx         The I/O context.
+     */
+    DECLR3CALLBACKMEMBER(size_t, pfnIoCtxGetDataUnitSize, (void *pvUser, PVDIOCTX pIoCtx));
+
 } VDINTERFACEIOINT, *PVDINTERFACEIOINT;
 
@@ -585 +595 @@
 }
 
+DECLINLINE(size_t) vdIfIoIntIoCtxGetDataUnitSize(PVDINTERFACEIOINT pIfIoInt, PVDIOCTX pIoCtx)
+{
+    return pIfIoInt->pfnIoCtxGetDataUnitSize(pIfIoInt->Core.pvUser, pIoCtx);
+}
 
 /**