summaryrefslogtreecommitdiffstats
path: root/include/linux/virtio_console.h
diff options
context:
space:
mode:
authorPaul Mundt <lethal@linux-sh.org>2010-05-24 08:52:55 +0900
committerPaul Mundt <lethal@linux-sh.org>2010-05-24 08:52:55 +0900
commit1f782fee18b39b9ad438ebbd82c2915a16c879ee (patch)
treef292930065e6c860714c134790ab8882680ac739 /include/linux/virtio_console.h
parent8eda2f21ed9c936a54fd7bc16cbfa5ee656635c2 (diff)
parentf4b87dee923342505e1ddba8d34ce9de33e75050 (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'include/linux/virtio_console.h')
-rw-r--r--include/linux/virtio_console.h25
1 files changed, 25 insertions, 0 deletions
diff --git a/include/linux/virtio_console.h b/include/linux/virtio_console.h
index 92228a8fbcb..a85064db8f9 100644
--- a/include/linux/virtio_console.h
+++ b/include/linux/virtio_console.h
@@ -12,14 +12,39 @@
/* 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
+
#ifdef __KERNEL__
int __init virtio_cons_early_init(int (*put_chars)(u32, const char *, int));
#endif /* __KERNEL__ */