From: Oliver Kurth <okurth@vmware.com>
Date: Mon, 17 Jun 2019 18:41:35 +0000 (-0700)
Subject: Common header file change not applicable to open-vm-tools.
X-Git-Tag: stable-11.0.0~52
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2ca144aceda2bae479f3b67eb0d60e4ef7e439dc;p=thirdparty%2Fopen-vm-tools.git

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

diff --git a/open-vm-tools/lib/include/backdoor_def.h b/open-vm-tools/lib/include/backdoor_def.h
index 9855267fb..3fb6c467a 100644
--- a/open-vm-tools/lib/include/backdoor_def.h
+++ b/open-vm-tools/lib/include/backdoor_def.h
@@ -57,9 +57,19 @@ extern "C" {
 
 #define BDOOR_MAGIC 0x564D5868
 
-/* Low-bandwidth backdoor port. */
+/* Low-bandwidth backdoor port number for the IN/OUT interface. */
 
-#define BDOOR_PORT 0x5658
+#define BDOOR_PORT        0x5658
+
+/* Flags used by the hypercall interface. */
+
+#define BDOOR_FLAGS_HB    (1<<0)
+#define BDOOR_FLAGS_WRITE (1<<1)
+
+#define BDOOR_IS_LB(_flags)    (((_flags) & BDOOR_FLAGS_HB) == 0)
+#define BDOOR_IS_HB(_flags)    !BDOOR_IS_LB(_flags)
+#define BDOOR_IS_READ(_flags)  (((_flags) & BDOOR_FLAGS_WRITE) == 0)
+#define BDOOR_IS_WRITE(_flags) !BDOOR_IS_READ(_flags)
 
 #define   BDOOR_CMD_GETMHZ                    1
 /*