---

---

---

01: #ifndef _LINUX_VIRTIO_CONSOLE_H
02: #define _LINUX_VIRTIO_CONSOLE_H
03: #include <linux/types.h>
04: #include <linux/virtio_ids.h>
05: #include <linux/virtio_config.h>
06: /*
07:  * This header, excluding the #ifdef __KERNEL__ part, is BSD licensed so
08:  * anyone can use the definitions to implement compatible drivers/servers:
09:  *
10:  *
11:  * Redistribution and use in source and binary forms, with or without
12:  * modification, are permitted provided that the following conditions
13:  * are met:
14:  * 1. Redistributions of source code must retain the above copyright
15:  *    notice, this list of conditions and the following disclaimer.
16:  * 2. Redistributions in binary form must reproduce the above copyright
17:  *    notice, this list of conditions and the following disclaimer in the
18:  *    documentation and/or other materials provided with the distribution.
19:  * 3. Neither the name of IBM nor the names of its contributors
20:  *    may be used to endorse or promote products derived from this software
21:  *    without specific prior written permission.
22:  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS'' AND
23:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25:  * ARE DISCLAIMED.  IN NO EVENT SHALL IBM OR CONTRIBUTORS BE LIABLE
26:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32:  * SUCH DAMAGE.
33:  *
34:  * Copyright (C) Red Hat, Inc., 2009, 2010, 2011
35:  * Copyright (C) Amit Shah <amit.shah@redhat.com>, 2009, 2010, 2011
36:  */
37: 
38: /* Feature bits */
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: 
42: #define VIRTIO_CONSOLE_BAD_ID           (~(u32)0)
43: 
44: struct virtio_console_config {
45:         /* colums of the screens */
46:         __u16 cols;
47:         /* rows of the screens */
48:         __u16 rows;
49:         /* max. number of ports this device can hold */
50:         __u32 max_nr_ports;
51: } __attribute__((packed));
52: 
53: /*
54:  * A message that's passed between the Host and the Guest for a
55:  * particular port.
56:  */
57: struct virtio_console_control {
58:         __u32 id;               /* Port number */
59:         __u16 event;            /* The kind of control event (see below) */
60:         __u16 value;            /* Extra information for the key */
61: };
62: 
63: /* Some events for control messages */
64: #define VIRTIO_CONSOLE_DEVICE_READY     0
65: #define VIRTIO_CONSOLE_PORT_ADD         1
66: #define VIRTIO_CONSOLE_PORT_REMOVE      2
67: #define VIRTIO_CONSOLE_PORT_READY       3
68: #define VIRTIO_CONSOLE_CONSOLE_PORT     4
69: #define VIRTIO_CONSOLE_RESIZE           5
70: #define VIRTIO_CONSOLE_PORT_OPEN        6
71: #define VIRTIO_CONSOLE_PORT_NAME        7
72: 
73: 
74: #endif /* _LINUX_VIRTIO_CONSOLE_H */
75: 

---

---

---