Changeset 67590 in vbox for trunk/include/VBox

Timestamp:

Jun 23, 2017 7:24:52 PM (8 years ago)

Author:

vboxsync

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

116348

Message:

VUSB: Bit of infrastructure to allow frame delta (interval) tracking.

File:

• trunk/include/VBox/vusb.h (modified) (3 diffs)

trunk/include/VBox/vusb.h

@@ -832 +832 @@
      */
     DECLR3CALLBACKMEMBER(uint32_t, pfnGetPeriodicFrameRate, (PVUSBIROOTHUBCONNECTOR pInterface));
+
+    /**
+     * Updates the internally stored isochronous scheduling frame for a given
+     * endpoint and returns the delta between the current and previous frame.
+     *
+     * @returns Delta between currently and previously scheduled frame.
+     * @retval  0 if no previous frame was set.
+     * @param   pInterface  Pointer to this struct.
+     */
+    DECLR3CALLBACKMEMBER(uint32_t, pfnUpdateIsocFrameDelta, (PVUSBIROOTHUBCONNECTOR pInterface, PVUSBIDEVICE pDevice,
+                                                             int EndPt, VUSBDIRECTION enmDir, uint16_t uNewFrameID, uint8_t uBits));
 
 } VUSBIROOTHUBCONNECTOR;
@@ -1175 +1186 @@
      * IN: The packet size. I.e. the number of bytes to the next packet or end of buffer.
      * OUT: The actual size transferred. */
-    uint16_t        cb;
+    uint32_t        cb;
     /** The offset of the packet. (Relative to VUSBURB::abData[0].)
      * OUT: This can be changed by the USB device if it does some kind of buffer squeezing. */
-    uint16_t        off;
+    uint32_t        off;
     /** The status of the transfer.
      * IN: VUSBSTATUS_INVALID
@@ -1260 +1271 @@
     VUSBSTATUS      enmStatus;
 
+    /** The relative starting frame for isochronous transfers.
+     *  Zero indicates "transfer ASAP".
+     * This is ignored when enmType isn't VUSBXFERTYPE_ISOC. */
+    uint16_t        uStartFrameDelta;
+    /** Flag indicating whether the start frame delta is relative
+     *  to the previous transfer (false) or now (true).
+     * This is ignored when enmType isn't VUSBXFERTYPE_ISOC. */
+    bool            fStartRelToNow;
     /** The number of isochronous packets describe in aIsocPkts.
      * This is ignored when enmType isn't VUSBXFERTYPE_ISOC. */
-    uint32_t        cIsocPkts;
+    uint8_t         cIsocPkts;
     /** The iso packets within abData.
      * This is ignored when enmType isn't VUSBXFERTYPE_ISOC. */