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/** @file
Virtio Serial Device specific type and macro definitions.
Copyright (C) 2013-2016, Red Hat, Inc.
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#ifndef _VIRTIO_SERIAL_H_
#define _VIRTIO_SERIAL_H_
#include <IndustryStandard/Virtio095.h>
#include <IndustryStandard/Virtio10.h>
//
// Device Configuration
//
typedef struct {
UINT16 Cols;
UINT16 Rows;
UINT32 MaxPorts;
UINT32 EmergWrite;
} VIRTIO_SERIAL_CONFIG;
//
// Control Queue
//
typedef struct {
UINT32 Id;
UINT16 Event;
UINT16 Value;
} VIRTIO_SERIAL_CONTROL;
//
// Queue Identifiers
//
#define VIRTIO_SERIAL_Q_RX_PORT0 0
#define VIRTIO_SERIAL_Q_TX_PORT0 1
#define VIRTIO_SERIAL_Q_RX_CTRL 2
#define VIRTIO_SERIAL_Q_TX_CTRL 3
#define VIRTIO_SERIAL_Q_RX_BASE 4
#define VIRTIO_SERIAL_Q_TX_BASE 5
//
// Feature Bits
//
#define VIRTIO_SERIAL_F_SIZE BIT0
#define VIRTIO_SERIAL_F_MULTIPORT BIT1
#define VIRTIO_SERIAL_F_EMERG_WRITE BIT2
//
// Events
//
#define VIRTIO_SERIAL_DEVICE_READY 0
#define VIRTIO_SERIAL_DEVICE_ADD 1
#define VIRTIO_SERIAL_DEVICE_REMOVE 2
#define VIRTIO_SERIAL_PORT_READY 3
#define VIRTIO_SERIAL_CONSOLE_PORT 4
#define VIRTIO_SERIAL_RESIZE 5
#define VIRTIO_SERIAL_PORT_OPEN 6
#define VIRTIO_SERIAL_PORT_NAME 7
#endif /* _VIRTIO_SERIAL_H_ */
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