diff options
| -rw-r--r-- | OvmfPkg/Include/IndustryStandard/VirtioSerial.h | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/OvmfPkg/Include/IndustryStandard/VirtioSerial.h b/OvmfPkg/Include/IndustryStandard/VirtioSerial.h new file mode 100644 index 0000000000..ffc8f84d03 --- /dev/null +++ b/OvmfPkg/Include/IndustryStandard/VirtioSerial.h @@ -0,0 +1,64 @@ +/** @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_ */
|