Common header file change not applicable to open-vm-tools.

diff --git a/open-vm-tools/lib/include/vmci_defs.h b/open-vm-tools/lib/include/vmci_defs.h
index 5275b9560a3a3dc949002db5a02cf1d6582c051c..2e4d30bbe89f139d243d354dc00720edd646e7c9 100644 (file)
--- a/open-vm-tools/lib/include/vmci_defs.h
+++ b/open-vm-tools/lib/include/vmci_defs.h
@@ -1,5 +1,5 @@
 /*********************************************************
- * Copyright (C) 2005-2018 VMware, Inc. All rights reserved.
+ * Copyright (C) 2005-2019 VMware, Inc. All rights reserved.
  *
  * This program is free software; you can redistribute it and/or modify it
  * under the terms of the GNU Lesser General Public License as published
@@ -101,9 +101,18 @@ typedef enum VMCIIntrType {
 
 /*
  * A single VMCI device has an upper limit of 128 MiB on the amount of
- * memory that can be used for queue pairs.
+ * memory that can be used for queue pairs. Since each queue pair
+ * consists of at least two pages, the memory limit also dictates the
+ * number of queue pairs a guest can create.
  */
 #define VMCI_MAX_GUEST_QP_MEMORY (128 * 1024 * 1024)
+#define VMCI_MAX_GUEST_QP_COUNT  (VMCI_MAX_GUEST_QP_MEMORY / PAGE_SIZE / 2)
+
+/*
+ * There can be at most PAGE_SIZE doorbells since there is one doorbell
+ * per byte in the doorbell bitmap page.
+ */
+#define VMCI_MAX_GUEST_DOORBELL_COUNT PAGE_SIZE
 
 /*
  * We have a fixed set of resource IDs available in the VMX.