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29 * Copyright (C) Red Hat, Inc., 2009, 2010, 2011
30 * Copyright (C) Amit Shah <amit.shah@redhat.com>, 2009, 2010, 2011
32 #ifndef _UAPI_LINUX_VIRTIO_CONSOLE_H
33 #define _UAPI_LINUX_VIRTIO_CONSOLE_H
34 #include <linux/types.h>
35 #include <linux/virtio_ids.h>
36 #include <linux/virtio_config.h>
39 #define VIRTIO_CONSOLE_F_SIZE 0 /* Does host provide console size? */
40 #define VIRTIO_CONSOLE_F_MULTIPORT 1 /* Does host provide multiple ports? */
41 #define VIRTIO_CONSOLE_F_EMERG_WRITE 2 /* Does host support emergency write? */
43 #define VIRTIO_CONSOLE_BAD_ID (~(__u32)0)
45 struct virtio_console_config {
46 /* colums of the screens */
48 /* rows of the screens */
50 /* max. number of ports this device can hold */
52 /* emergency write register */
54 } __attribute__((packed));
57 * A message that's passed between the Host and the Guest for a
60 struct virtio_console_control {
61 __u32 id; /* Port number */
62 __u16 event; /* The kind of control event (see below) */
63 __u16 value; /* Extra information for the key */
66 /* Some events for control messages */
67 #define VIRTIO_CONSOLE_DEVICE_READY 0
68 #define VIRTIO_CONSOLE_PORT_ADD 1
69 #define VIRTIO_CONSOLE_PORT_REMOVE 2
70 #define VIRTIO_CONSOLE_PORT_READY 3
71 #define VIRTIO_CONSOLE_CONSOLE_PORT 4
72 #define VIRTIO_CONSOLE_RESIZE 5
73 #define VIRTIO_CONSOLE_PORT_OPEN 6
74 #define VIRTIO_CONSOLE_PORT_NAME 7
77 #endif /* _UAPI_LINUX_VIRTIO_CONSOLE_H */