Changeset 71775 in vbox for trunk/include

Timestamp:

Apr 9, 2018 2:54:57 PM (7 years ago)

Author:

vboxsync

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

121878

Message:

Devices/Storage: Properly account for requests currently waiting for I/O memory when suspending/resuming to avoid hangs upon suspend (devices would not complete suspending because aiting requests would be marked as active but could not complete)

File:

• trunk/include/VBox/vmm/pdmstorageifs.h (modified) (1 diff)

trunk/include/VBox/vmm/pdmstorageifs.h

@@ -770 +770 @@
 
     /**
+     * Notifies the driver below that the device received a suspend notification.
+     *
+     * @returns nothing.
+     * @param   pInterface      Pointer to the interface structure containing the called function pointer.
+     *
+     * @note this is required because the PDM drivers in the storage area usually get their suspend notification
+     *       only after the device finished suspending. For some cases it is useful for the driver to know
+     *       as early as possible that a suspend is in progress to stop issuing deferred requests or other things.
+     */
+    DECLR3CALLBACKMEMBER(void, pfnNotifySuspend, (PPDMIMEDIAEX pInterface));
+
+    /**
      * Sets the size of the allocator specific memory for a I/O request.
      *