NonDiscoverablePciDeviceDxe.c File Reference

#include "NonDiscoverablePciDeviceIo.h"
#include <Protocol/DriverBinding.h>

Go to the source code of this file.

Macros
#define	MAX_NON_DISCOVERABLE_PCI_DEVICE_ID   (32 * 256)

Functions
STATIC EFI_STATUS EFIAPI	NonDiscoverablePciDeviceSupported (IN EFI_DRIVER_BINDING_PROTOCOL *This, IN EFI_HANDLE DeviceHandle, IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath)
STATIC EFI_STATUS EFIAPI	NonDiscoverablePciDeviceStart (IN EFI_DRIVER_BINDING_PROTOCOL *This, IN EFI_HANDLE DeviceHandle, IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath)
STATIC EFI_STATUS EFIAPI	NonDiscoverablePciDeviceStop (IN EFI_DRIVER_BINDING_PROTOCOL *This, IN EFI_HANDLE DeviceHandle, IN UINTN NumberOfChildren, IN EFI_HANDLE *ChildHandleBuffer)
EFI_STATUS EFIAPI	NonDiscoverablePciDeviceDxeEntryPoint (IN EFI_HANDLE ImageHandle, IN EFI_SYSTEM_TABLE *SystemTable)

Variables
STATIC UINTN	mUniqueIdCounter = 0
EFI_CPU_ARCH_PROTOCOL *	mCpu
STATIC CONST EFI_GUID *CONST	SupportedNonDiscoverableDevices []
STATIC EFI_DRIVER_BINDING_PROTOCOL	gDriverBinding

Detailed Description

Copyright (C) 2016, Linaro Ltd. All rights reserved.

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

Definition in file NonDiscoverablePciDeviceDxe.c.

Macro Definition Documentation

MAX_NON_DISCOVERABLE_PCI_DEVICE_ID

#define MAX_NON_DISCOVERABLE_PCI_DEVICE_ID   (32 * 256)

Definition at line 13 of file NonDiscoverablePciDeviceDxe.c.

Function Documentation

NonDiscoverablePciDeviceDxeEntryPoint()

EFI_STATUS EFIAPI NonDiscoverablePciDeviceDxeEntryPoint	(	IN EFI_HANDLE	ImageHandle,
		IN EFI_SYSTEM_TABLE *	SystemTable
	)

Entry point of this driver.

Parameters

ImageHandle	Image handle this driver.
SystemTable	Pointer to the System Table.

Return values

EFI_SUCCESS	The entry point is executed successfully.
other	Some error occurred when executing this entry point.

Definition at line 298 of file NonDiscoverablePciDeviceDxe.c.

NonDiscoverablePciDeviceStart()

STATIC EFI_STATUS EFIAPI NonDiscoverablePciDeviceStart	(	IN EFI_DRIVER_BINDING_PROTOCOL *	This,
		IN EFI_HANDLE	DeviceHandle,
		IN EFI_DEVICE_PATH_PROTOCOL *	RemainingDevicePath
	)

This routine is called right after the .Supported() called and Start this driver on ControllerHandle.

Parameters

This	Protocol instance pointer.
DeviceHandle	Handle of device to bind driver to.
RemainingDevicePath	A pointer to the device path. it should be ignored by device driver.

Return values

EFI_SUCCESS	This driver is added to this device.
other	Some error occurs when binding this driver to this device.

Definition at line 142 of file NonDiscoverablePciDeviceDxe.c.

NonDiscoverablePciDeviceStop()

STATIC EFI_STATUS EFIAPI NonDiscoverablePciDeviceStop	(	IN EFI_DRIVER_BINDING_PROTOCOL *	This,
		IN EFI_HANDLE	DeviceHandle,
		IN UINTN	NumberOfChildren,
		IN EFI_HANDLE *	ChildHandleBuffer
	)

Stop this driver on ControllerHandle.

Parameters

This	Protocol instance pointer.
DeviceHandle	Handle of device to stop driver on.
NumberOfChildren	Not used.
ChildHandleBuffer	Not used.

Return values

EFI_SUCCESS	This driver is removed from this device.
other	Some error occurs when removing this driver from this device.

Definition at line 223 of file NonDiscoverablePciDeviceDxe.c.

NonDiscoverablePciDeviceSupported()

STATIC EFI_STATUS EFIAPI NonDiscoverablePciDeviceSupported	(	IN EFI_DRIVER_BINDING_PROTOCOL *	This,
		IN EFI_HANDLE	DeviceHandle,
		IN EFI_DEVICE_PATH_PROTOCOL *	RemainingDevicePath
	)

Supported function of Driver Binding protocol for this driver. Test to see if this driver supports ControllerHandle.

Parameters

This	Protocol instance pointer.
DeviceHandle	Handle of device to test.
RemainingDevicePath	A pointer to the device path. it should be ignored by device driver.

Return values

EFI_SUCCESS	This driver supports this device.
other	This driver does not support this device.

Definition at line 65 of file NonDiscoverablePciDeviceDxe.c.

Variable Documentation

gDriverBinding

STATIC EFI_DRIVER_BINDING_PROTOCOL gDriverBinding

Initial value:

= {
  &NonDiscoverablePciDeviceSupported,
  &NonDiscoverablePciDeviceStart,
  &NonDiscoverablePciDeviceStop,
  0x10, 
  NULL,
  NULL
}

Definition at line 277 of file NonDiscoverablePciDeviceDxe.c.

mCpu

EFI_CPU_ARCH_PROTOCOL* mCpu

Definition at line 16 of file NonDiscoverablePciDeviceDxe.c.

mUniqueIdCounter

STATIC UINTN mUniqueIdCounter = 0

Definition at line 15 of file NonDiscoverablePciDeviceDxe.c.

SupportedNonDiscoverableDevices

STATIC CONST EFI_GUID* CONST SupportedNonDiscoverableDevices[]

Initial value:

= {
  &gEdkiiNonDiscoverableAhciDeviceGuid,
  &gEdkiiNonDiscoverableEhciDeviceGuid,
  &gEdkiiNonDiscoverableNvmeDeviceGuid,
  &gEdkiiNonDiscoverableOhciDeviceGuid,
  &gEdkiiNonDiscoverableSdhciDeviceGuid,
  &gEdkiiNonDiscoverableUfsDeviceGuid,
  &gEdkiiNonDiscoverableUhciDeviceGuid,
  &gEdkiiNonDiscoverableXhciDeviceGuid,
}

Definition at line 23 of file NonDiscoverablePciDeviceDxe.c.