| #ifndef _LINUX_VIRTIO_CONSOLE_H |
| #define _LINUX_VIRTIO_CONSOLE_H |
| #include <linux/types.h> |
| #include <linux/virtio_ids.h> |
| #include <linux/virtio_config.h> |
| /* |
| * 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 |
| */ |
| |
| /* 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 /* _LINUX_VIRTIO_CONSOLE_H */ |
