1 files changed, 74 insertions, 0 deletions

diff --git a/include/uapi/linux/virtio_console.h b/include/uapi/linux/virtio_console.h
new file mode 100644
index 000000000000..ee13ab6c3614
--- /dev/null
+++ b/include/uapi/linux/virtio_console.h
@@ -0,0 +1,74 @@
+/*
+ * This header, excluding the #ifdef __KERNEL__ part, is BSD licensed so
+ * anyone can use the definitions to implement compatible drivers/servers:
+ *
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of IBM nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL IBM OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * Copyright (C) Red Hat, Inc., 2009, 2010, 2011
+ * Copyright (C) Amit Shah <amit.shah@redhat.com>, 2009, 2010, 2011
+ */
+#ifndef _UAPI_LINUX_VIRTIO_CONSOLE_H
+#define _UAPI_LINUX_VIRTIO_CONSOLE_H
+#include <linux/types.h>
+#include <linux/virtio_ids.h>
+#include <linux/virtio_config.h>
+
+/* Feature bits */
+#define VIRTIO_CONSOLE_F_SIZE   0       /* Does host provide console size? */
+#define VIRTIO_CONSOLE_F_MULTIPORT 1    /* Does host provide multiple ports? */
+
+#define VIRTIO_CONSOLE_BAD_ID           (~(u32)0)
+
+struct virtio_console_config {
+        /* colums of the screens */
+        __u16 cols;
+        /* rows of the screens */
+        __u16 rows;
+        /* max. number of ports this device can hold */
+        __u32 max_nr_ports;
+} __attribute__((packed));
+
+/*
+ * A message that's passed between the Host and the Guest for a
+ * particular port.
+ */
+struct virtio_console_control {
+        __u32 id;               /* Port number */
+        __u16 event;            /* The kind of control event (see below) */
+        __u16 value;            /* Extra information for the key */
+};
+
+/* Some events for control messages */
+#define VIRTIO_CONSOLE_DEVICE_READY     0
+#define VIRTIO_CONSOLE_PORT_ADD         1
+#define VIRTIO_CONSOLE_PORT_REMOVE      2
+#define VIRTIO_CONSOLE_PORT_READY       3
+#define VIRTIO_CONSOLE_CONSOLE_PORT     4
+#define VIRTIO_CONSOLE_RESIZE           5
+#define VIRTIO_CONSOLE_PORT_OPEN        6
+#define VIRTIO_CONSOLE_PORT_NAME        7
+
+
+#endif /* _UAPI_LINUX_VIRTIO_CONSOLE_H */