VirtioSerialPort.c File Reference

#include <Library/BaseMemoryLib.h>
#include <Library/DebugLib.h>
#include <Library/DevicePathLib.h>
#include <Library/MemoryAllocationLib.h>
#include <Library/PrintLib.h>
#include <Library/UefiBootServicesTableLib.h>
#include <Library/UefiLib.h>
#include <Library/VirtioLib.h>
#include "VirtioSerial.h"

Go to the source code of this file.

Functions
STATIC UINT16	PortRx (IN UINT32 PortId)
STATIC UINT16	PortTx (IN UINT32 PortId)
STATIC EFI_STATUS EFIAPI	VirtioSerialIoReset (IN EFI_SERIAL_IO_PROTOCOL *This)
STATIC EFI_STATUS EFIAPI	VirtioSerialIoSetAttributes (IN EFI_SERIAL_IO_PROTOCOL *This, IN UINT64 BaudRate, IN UINT32 ReceiveFifoDepth, IN UINT32 Timeout, IN EFI_PARITY_TYPE Parity, IN UINT8 DataBits, IN EFI_STOP_BITS_TYPE StopBits)
STATIC EFI_STATUS EFIAPI	VirtioSerialIoSetControl (IN EFI_SERIAL_IO_PROTOCOL *This, IN UINT32 Control)
STATIC EFI_STATUS EFIAPI	VirtioSerialIoGetControl (IN EFI_SERIAL_IO_PROTOCOL *This, OUT UINT32 *Control)
STATIC EFI_STATUS EFIAPI	VirtioSerialIoWrite (IN EFI_SERIAL_IO_PROTOCOL *This, IN OUT UINTN *BufferSize, IN VOID *Buffer)
STATIC EFI_STATUS EFIAPI	VirtioSerialIoRead (IN EFI_SERIAL_IO_PROTOCOL *This, IN OUT UINTN *BufferSize, OUT VOID *Buffer)
STATIC EFI_STATUS EFIAPI	VirtioSerialIoInit (IN OUT VIRTIO_SERIAL_DEV *Dev, IN UINT32 PortId)
STATIC VOID EFIAPI	VirtioSerialIoUninit (VIRTIO_SERIAL_IO_PROTOCOL *SerialIo)
EFI_STATUS EFIAPI	VirtioSerialPortAdd (IN OUT VIRTIO_SERIAL_DEV *Dev, IN UINT32 PortId)
VOID EFIAPI	VirtioSerialPortSetConsole (IN OUT VIRTIO_SERIAL_DEV *Dev, IN UINT32 PortId)
VOID EFIAPI	VirtioSerialPortSetName (IN OUT VIRTIO_SERIAL_DEV *Dev, IN UINT32 PortId, IN UINT8 *Name)
VOID EFIAPI	VirtioSerialPortSetDeviceOpen (IN OUT VIRTIO_SERIAL_DEV *Dev, IN UINT32 PortId, IN UINT16 Value)
VOID EFIAPI	VirtioSerialPortRemove (IN OUT VIRTIO_SERIAL_DEV *Dev, IN UINT32 PortId)

Variables
ACPI_HID_DEVICE_PATH	mAcpiSerialDevNode
UART_DEVICE_PATH	mUartDevNode

Detailed Description

Driver for virtio-serial devices.

Helper functions to manage virtio serial ports. Console ports will be registered as SerialIo UARTs.

SPDX-License-Identifier: BSD-2-Clause-Patent

Definition in file VirtioSerialPort.c.

Function Documentation

PortRx()

STATIC UINT16 PortRx

(

IN UINT32

PortId

)

Definition at line 52 of file VirtioSerialPort.c.

PortTx()

STATIC UINT16 PortTx

(

IN UINT32

PortId

)

Definition at line 67 of file VirtioSerialPort.c.

VirtioSerialIoGetControl()

STATIC EFI_STATUS EFIAPI VirtioSerialIoGetControl	(	IN EFI_SERIAL_IO_PROTOCOL *	This,
		OUT UINT32 *	Control
	)

Definition at line 131 of file VirtioSerialPort.c.

VirtioSerialIoInit()

STATIC EFI_STATUS EFIAPI VirtioSerialIoInit	(	IN OUT VIRTIO_SERIAL_DEV *	Dev,
		IN UINT32	PortId
	)

Definition at line 253 of file VirtioSerialPort.c.

VirtioSerialIoRead()

STATIC EFI_STATUS EFIAPI VirtioSerialIoRead	(	IN EFI_SERIAL_IO_PROTOCOL *	This,
		IN OUT UINTN *	BufferSize,
		OUT VOID *	Buffer
	)

Definition at line 188 of file VirtioSerialPort.c.

VirtioSerialIoReset()

STATIC EFI_STATUS EFIAPI VirtioSerialIoReset

(

IN EFI_SERIAL_IO_PROTOCOL *

This

)

Definition at line 83 of file VirtioSerialPort.c.

VirtioSerialIoSetAttributes()

STATIC EFI_STATUS EFIAPI VirtioSerialIoSetAttributes	(	IN EFI_SERIAL_IO_PROTOCOL *	This,
		IN UINT64	BaudRate,
		IN UINT32	ReceiveFifoDepth,
		IN UINT32	Timeout,
		IN EFI_PARITY_TYPE	Parity,
		IN UINT8	DataBits,
		IN EFI_STOP_BITS_TYPE	StopBits
	)

Definition at line 94 of file VirtioSerialPort.c.

VirtioSerialIoSetControl()

STATIC EFI_STATUS EFIAPI VirtioSerialIoSetControl	(	IN EFI_SERIAL_IO_PROTOCOL *	This,
		IN UINT32	Control
	)

Definition at line 119 of file VirtioSerialPort.c.

VirtioSerialIoUninit()

STATIC VOID EFIAPI VirtioSerialIoUninit

(

VIRTIO_SERIAL_IO_PROTOCOL *

SerialIo

)

Definition at line 336 of file VirtioSerialPort.c.

VirtioSerialIoWrite()

STATIC EFI_STATUS EFIAPI VirtioSerialIoWrite	(	IN EFI_SERIAL_IO_PROTOCOL *	This,
		IN OUT UINTN *	BufferSize,
		IN VOID *	Buffer
	)

Definition at line 143 of file VirtioSerialPort.c.

VirtioSerialPortAdd()

EFI_STATUS EFIAPI VirtioSerialPortAdd	(	IN OUT VIRTIO_SERIAL_DEV *	Dev,
		IN UINT32	PortId
	)

Definition at line 367 of file VirtioSerialPort.c.

VirtioSerialPortRemove()

VOID EFIAPI VirtioSerialPortRemove	(	IN OUT VIRTIO_SERIAL_DEV *	Dev,
		IN UINT32	PortId
	)

Definition at line 446 of file VirtioSerialPort.c.

VirtioSerialPortSetConsole()

VOID EFIAPI VirtioSerialPortSetConsole	(	IN OUT VIRTIO_SERIAL_DEV *	Dev,
		IN UINT32	PortId
	)

Definition at line 402 of file VirtioSerialPort.c.

VirtioSerialPortSetDeviceOpen()

VOID EFIAPI VirtioSerialPortSetDeviceOpen	(	IN OUT VIRTIO_SERIAL_DEV *	Dev,
		IN UINT32	PortId,
		IN UINT16	Value
	)

Definition at line 430 of file VirtioSerialPort.c.

VirtioSerialPortSetName()

VOID EFIAPI VirtioSerialPortSetName	(	IN OUT VIRTIO_SERIAL_DEV *	Dev,
		IN UINT32	PortId,
		IN UINT8 *	Name
	)

Definition at line 416 of file VirtioSerialPort.c.

Variable Documentation

mAcpiSerialDevNode

ACPI_HID_DEVICE_PATH mAcpiSerialDevNode

Initial value:

= {
  {
    ACPI_DEVICE_PATH,
    ACPI_DP,
    {
      (UINT8)(sizeof (ACPI_HID_DEVICE_PATH)),
      (UINT8)((sizeof (ACPI_HID_DEVICE_PATH)) >> 8)
    },
  },
  EISA_PNP_ID (0x0501),
  0
}

Definition at line 23 of file VirtioSerialPort.c.

mUartDevNode

UART_DEVICE_PATH mUartDevNode

Initial value:

= {
  {
    MESSAGING_DEVICE_PATH,
    MSG_UART_DP,
    {
      (UINT8)(sizeof (UART_DEVICE_PATH)),
      (UINT8)((sizeof (UART_DEVICE_PATH)) >> 8)
    }
  },
  0,      
  115200, 
  8, 1, 1 
}

Definition at line 36 of file VirtioSerialPort.c.