2 * This header is BSD licensed so anyone can use the definitions to implement
3 * compatible drivers/servers.
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6 * modification, are permitted provided that the following conditions
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28 * Copyright (C) Red Hat, Inc., 2009, 2010, 2011
29 * Copyright (C) Amit Shah <amit.shah@redhat.com>, 2009, 2010, 2011
34 #ifndef _VIRTIO_CONSOLE_H
35 #define _VIRTIO_CONSOLE_H
38 #define VIRTIO_CONSOLE_F_SIZE 0x01 /* Console size */
39 #define VIRTIO_CONSOLE_F_MULTIPORT 0x02 /* Multiple ports */
40 #define VIRTIO_CONSOLE_F_EMERG_WRITE 0x04 /* Emergency write */
42 #define VIRTIO_CONSOLE_BAD_ID (~(uint32_t)0)
44 struct virtio_console_config {
45 /* colums of the screens */
47 /* rows of the screens */
49 /* max. number of ports this device can hold */
50 uint32_t max_nr_ports;
51 /* emergency write register */
56 * A message that's passed between the Host and the Guest for a
59 struct virtio_console_control {
60 uint32_t id; /* Port number */
61 uint16_t event; /* The kind of control event (see below) */
62 uint16_t value; /* Extra information for the key */
65 /* Some events for control messages */
66 #define VIRTIO_CONSOLE_DEVICE_READY 0
67 #define VIRTIO_CONSOLE_PORT_ADD 1
68 #define VIRTIO_CONSOLE_PORT_REMOVE 2
69 #define VIRTIO_CONSOLE_PORT_READY 3
70 #define VIRTIO_CONSOLE_CONSOLE_PORT 4
71 #define VIRTIO_CONSOLE_RESIZE 5
72 #define VIRTIO_CONSOLE_PORT_OPEN 6
73 #define VIRTIO_CONSOLE_PORT_NAME 7
75 #endif /* _VIRTIO_CONSOLE_H */