From: VMware, Inc <>
Date: Mon, 22 Aug 2011 21:18:04 +0000 (-0700)
Subject: Changes in shared code that don't affect open-vm-tools functionality.
X-Git-Tag: 2011.08.21-471295~1
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2b3d76ba776f55d06fb5b62499b189ebd6bc1c75;p=thirdparty%2Fopen-vm-tools.git

Changes in shared code that don't affect open-vm-tools functionality.

Signed-off-by: Marcelo Vanzin <mvanzin@vmware.com>
---

diff --git a/open-vm-tools/modules/linux/vmci/common/vmciContext.c b/open-vm-tools/modules/linux/vmci/common/vmciContext.c
index 3f3242b3b..cb390f040 100644
--- a/open-vm-tools/modules/linux/vmci/common/vmciContext.c
+++ b/open-vm-tools/modules/linux/vmci/common/vmciContext.c
@@ -2148,6 +2148,50 @@ VMCIContext_SignalPendingDoorbells(VMCIId contextID)
 }
 
 
+/*
+ *----------------------------------------------------------------------
+ *
+ * VMCIContext_SignalPendingDatagrams --
+ *
+ *      Signals the guest if any datagrams are pending. This is used
+ *      after the VMCI device is unquiesced to ensure that no pending
+ *      datagrams go unnoticed, since signals may not be fully
+ *      processed while the device is quiesced.
+ *
+ * Results:
+ *      None.
+ *
+ * Side effects:
+ *      None.
+ *
+ *----------------------------------------------------------------------
+ */
+
+void
+VMCIContext_SignalPendingDatagrams(VMCIId contextID)
+{
+   Bool pending;
+   VMCIContext *context;
+   VMCILockFlags flags;
+
+   context = VMCIContext_Get(contextID);
+   if (!context) {
+      ASSERT(FALSE);
+      return;
+   }
+
+   VMCI_GrabLock(&context->lock, &flags);
+   pending = context->pendingDatagrams;
+   VMCI_ReleaseLock(&context->lock, flags);
+
+   if (pending) {
+      VMCIHost_SignalCall(&context->hostContext);
+   }
+
+   VMCIContext_Release(context);
+}
+
+
 /*
  *----------------------------------------------------------------------
  *
diff --git a/open-vm-tools/modules/linux/vmci/common/vmciContext.h b/open-vm-tools/modules/linux/vmci/common/vmciContext.h
index ef4da7269..1258e055b 100644
--- a/open-vm-tools/modules/linux/vmci/common/vmciContext.h
+++ b/open-vm-tools/modules/linux/vmci/common/vmciContext.h
@@ -114,6 +114,7 @@ void VMCIContext_ReceiveNotificationsRelease(VMCIId contextID,
                                              Bool success);
 #if defined(VMKERNEL)
 void VMCIContext_SignalPendingDoorbells(VMCIId contextID);
+void VMCIContext_SignalPendingDatagrams(VMCIId contextID);
 
 int VMCIContextID2HostVmID(VMCIId contextID, void *hostVmID, size_t hostVmIDLen);
 #endif