Add header files with structs and defines for the virtio serial device. The virtio serial device also known as virtio console device because initially it had only support for a single tty, intended to be used as console. Support for multiple streams and named data ports has been added later on.
https://docs.oasis-open.org/virtio/virtio/v1.2/cs01/virtio-v1.2-cs01.html#x1-2900003 Signed-off-by: Gerd Hoffmann <kra...@redhat.com> --- .../Include/IndustryStandard/VirtioSerial.h | 64 +++++++++++++++++++ 1 file changed, 64 insertions(+) create mode 100644 OvmfPkg/Include/IndustryStandard/VirtioSerial.h diff --git a/OvmfPkg/Include/IndustryStandard/VirtioSerial.h b/OvmfPkg/Include/IndustryStandard/VirtioSerial.h new file mode 100644 index 000000000000..ffc8f84d03cc --- /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_ */ -- 2.39.2 -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#103075): https://edk2.groups.io/g/devel/message/103075 Mute This Topic: https://groups.io/mt/98315342/21656 Group Owner: devel+ow...@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [arch...@mail-archive.com] -=-=-=-=-=-=-=-=-=-=-=-
