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/*
* Copyright (c) 2006-2023, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2021-11-11 GuEe-GUI the first version
* 2023-02-25 GuEe-GUI using virtio dm
*/
#ifndef __VIRTIO_CONSOLE_H__
#define __VIRTIO_CONSOLE_H__
#include <drivers/core/dm.h>
#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_F_EMERG_WRITE 2 /* Does host support emergency write? */
rt_packed(struct virtio_console_config
{
rt_le16_t cols;
rt_le16_t rows;
rt_le32_t max_nr_ports;
rt_le32_t emerg_wr;
});
rt_packed(struct virtio_console_resize
{
rt_le16_t cols;
rt_le16_t rows;
});
rt_packed(struct virtio_console_control
{
#define VIRTIO_CONSOLE_BAD_ID (~(rt_uint32_t)0)
rt_le32_t id; /* Port number */
#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
rt_le16_t event; /* The kind of control event */
rt_le16_t value; /* Extra information for the event */
});
rt_packed(struct virtio_console_control_ext
{
struct virtio_console_control ctrl;
union
{
struct virtio_console_resize resize;
rt_uint8_t data[64];
};
});
#endif /* __VIRTIO_CONSOLE_H__ */
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