From: Oliver Kurth <okurth@vmware.com>
Date: Wed, 10 Apr 2019 21:14:56 +0000 (-0700)
Subject: Common header file change not applicable to open-vm-tools.
X-Git-Tag: stable-11.0.0~134
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=86bf8de08dbb28e8902411b8a9bc0e64f972f74d;p=thirdparty%2Fopen-vm-tools.git

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 5275b9560..2e4d30bbe 100644
--- 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.