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