Changeset 64407 in vbox for trunk/src/VBox/Devices/Storage/DrvHostBase.h

Timestamp:

Oct 25, 2016 11:53:00 AM (8 years ago)

Author:

vboxsync

Message:

Devices/Storage: Add callback to query the actual transfer size of an I/O request if PDMIMEDIAEX is used, useful to calculate the amount of data transferred for requests where the transfer size can be different from the guest buffer size (e.g. SCSI)

File:

• trunk/src/VBox/Devices/Storage/DrvHostBase.h (modified) (1 diff)

trunk/src/VBox/Devices/Storage/DrvHostBase.h

@@ -133 +133 @@
 typedef struct DRVHOSTBASEREQ
 {
+    /** Transfer size. */
+    size_t                   cbReq;
+    /** Amount of residual data. */
+    size_t                   cbResidual;
     /** Start of the request data for the device above us. */
     uint8_t                  abAlloc[1];