[RFC PATCH v1] virtio-vsock: use C style defines for constants

[Arseny Krasnov <arseny.krasnov@kaspersky.com>]

This:
1) Replaces enums with C style defines.
2) Adds defines for some constants.

Signed-off-by: Arseny Krasnov <arseny.krasnov@kaspersky.com>
---
 virtio-vsock.tex | 42 ++++++++++++++++++++++--------------------
 1 file changed, 22 insertions(+), 20 deletions(-)

diff --git a/virtio-vsock.tex b/virtio-vsock.tex
index da7e641..62ab6b3 100644
--- a/virtio-vsock.tex
+++ b/virtio-vsock.tex
@@ -86,23 +86,18 @@ \subsection{Device Operation}\label{sec:Device Types / Socket Device / Device Op
 operation constants:
 
 \begin{lstlisting}
-enum {
-	VIRTIO_VSOCK_OP_INVALID = 0,
-
-	/* Connect operations */
-	VIRTIO_VSOCK_OP_REQUEST = 1,
-	VIRTIO_VSOCK_OP_RESPONSE = 2,
-	VIRTIO_VSOCK_OP_RST = 3,
-	VIRTIO_VSOCK_OP_SHUTDOWN = 4,
-
-	/* To send payload */
-	VIRTIO_VSOCK_OP_RW = 5,
-
-	/* Tell the peer our credit info */
-	VIRTIO_VSOCK_OP_CREDIT_UPDATE = 6,
-	/* Request the peer to send the credit info to us */
-	VIRTIO_VSOCK_OP_CREDIT_REQUEST = 7,
-};
+#define VIRTIO_VSOCK_OP_INVALID        0
+/* Connect operations */
+#define VIRTIO_VSOCK_OP_REQUEST        1
+#define VIRTIO_VSOCK_OP_RESPONSE       2
+#define VIRTIO_VSOCK_OP_RST            3
+#define VIRTIO_VSOCK_OP_SHUTDOWN       4
+/* To send payload */
+#define VIRTIO_VSOCK_OP_RW             5
+/* Tell the peer our credit info */
+#define VIRTIO_VSOCK_OP_CREDIT_UPDATE  6
+/* Request the peer to send the credit info to us */
+#define VIRTIO_VSOCK_OP_CREDIT_REQUEST 7
 \end{lstlisting}
 
 \subsubsection{Virtqueue Flow Control}\label{sec:Device Types / Socket Device / Device Operation / Virtqueue Flow Control}
@@ -143,6 +138,10 @@ \subsubsection{Addressing}\label{sec:Device Types / Socket Device / Device Opera
 Currently only stream sockets are supported. \field{type} is 1 for stream
 socket types.
 
+\begin{lstlisting}
+#define VIRTIO_VSOCK_TYPE_STREAM 1
+\end{lstlisting}
+
 Stream sockets provide in-order, guaranteed, connection-oriented delivery
 without message boundaries.
 
@@ -227,6 +226,11 @@ \subsubsection{Stream Sockets}\label{sec:Device Types / Socket Device / Device O
 hints are permanent once sent and successive packets with bits clear do not
 reset them.
 
+\begin{lstlisting}
+#define VIRTIO_VSOCK_SHUTDOWN_RECEIVE_BIT 0
+#define VIRTIO_VSOCK_SHUTDOWN_SEND_BIT    1
+\end{lstlisting}
+
 The VIRTIO_VSOCK_OP_RST packet aborts the connection process or forcibly
 disconnects a connected socket.
 
@@ -248,9 +252,7 @@ \subsubsection{Device Events}\label{sec:Device Types / Socket Device / Device Op
 The event buffer is as follows:
 
 \begin{lstlisting}
-enum virtio_vsock_event_id {
-        VIRTIO_VSOCK_EVENT_TRANSPORT_RESET = 0,
-};
+#define VIRTIO_VSOCK_EVENT_TRANSPORT_RESET 0
 
 struct virtio_vsock_event {
         le32 id;
-- 
2.25.1