Move BdsDxe and GenericBdsLib to IntelFrameworkModulePkg, these modules need dependent on gEfiLegacyBiosProtocol to provide legacy boot support. But legacy boot is not described by PI/UEFI specification.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@7354 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
415
IntelFrameworkModulePkg/Library/GenericBdsLib/BdsConnect.c
Normal file
415
IntelFrameworkModulePkg/Library/GenericBdsLib/BdsConnect.c
Normal file
@@ -0,0 +1,415 @@
|
||||
/** @file
|
||||
BDS Lib functions which relate with connect the device
|
||||
|
||||
Copyright (c) 2004 - 2008, Intel Corporation. <BR>
|
||||
All rights reserved. This program and the accompanying materials
|
||||
are licensed and made available under the terms and conditions of the BSD License
|
||||
which accompanies this distribution. The full text of the license may be found at
|
||||
http://opensource.org/licenses/bsd-license.php
|
||||
|
||||
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
|
||||
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
|
||||
|
||||
**/
|
||||
|
||||
#include "InternalBdsLib.h"
|
||||
|
||||
|
||||
/**
|
||||
This function will connect all the system driver to controller
|
||||
first, and then special connect the default console, this make
|
||||
sure all the system controller available and the platform default
|
||||
console connected.
|
||||
|
||||
**/
|
||||
VOID
|
||||
EFIAPI
|
||||
BdsLibConnectAll (
|
||||
VOID
|
||||
)
|
||||
{
|
||||
//
|
||||
// Connect the platform console first
|
||||
//
|
||||
BdsLibConnectAllDefaultConsoles ();
|
||||
|
||||
//
|
||||
// Generic way to connect all the drivers
|
||||
//
|
||||
BdsLibConnectAllDriversToAllControllers ();
|
||||
|
||||
//
|
||||
// Here we have the assumption that we have already had
|
||||
// platform default console
|
||||
//
|
||||
BdsLibConnectAllDefaultConsoles ();
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
This function will connect all the system drivers to all controllers
|
||||
first, and then connect all the console devices the system current
|
||||
have. After this we should get all the device work and console available
|
||||
if the system have console device.
|
||||
|
||||
**/
|
||||
VOID
|
||||
BdsLibGenericConnectAll (
|
||||
VOID
|
||||
)
|
||||
{
|
||||
//
|
||||
// Most generic way to connect all the drivers
|
||||
//
|
||||
BdsLibConnectAllDriversToAllControllers ();
|
||||
BdsLibConnectAllConsoles ();
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
This function will create all handles associate with every device
|
||||
path node. If the handle associate with one device path node can not
|
||||
be created success, then still give one chance to do the dispatch,
|
||||
which load the missing drivers if possible.
|
||||
|
||||
@param DevicePathToConnect The device path which will be connected, it can be
|
||||
a multi-instance device path
|
||||
|
||||
@retval EFI_SUCCESS All handles associate with every device path node
|
||||
have been created
|
||||
@retval EFI_OUT_OF_RESOURCES There is no resource to create new handles
|
||||
@retval EFI_NOT_FOUND Create the handle associate with one device path
|
||||
node failed
|
||||
|
||||
**/
|
||||
EFI_STATUS
|
||||
EFIAPI
|
||||
BdsLibConnectDevicePath (
|
||||
IN EFI_DEVICE_PATH_PROTOCOL *DevicePathToConnect
|
||||
)
|
||||
{
|
||||
EFI_STATUS Status;
|
||||
EFI_DEVICE_PATH_PROTOCOL *DevicePath;
|
||||
EFI_DEVICE_PATH_PROTOCOL *CopyOfDevicePath;
|
||||
EFI_DEVICE_PATH_PROTOCOL *Instance;
|
||||
EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath;
|
||||
EFI_DEVICE_PATH_PROTOCOL *Next;
|
||||
EFI_HANDLE Handle;
|
||||
EFI_HANDLE PreviousHandle;
|
||||
UINTN Size;
|
||||
|
||||
if (DevicePathToConnect == NULL) {
|
||||
return EFI_SUCCESS;
|
||||
}
|
||||
|
||||
DevicePath = DuplicateDevicePath (DevicePathToConnect);
|
||||
if (DevicePath == NULL) {
|
||||
return EFI_OUT_OF_RESOURCES;
|
||||
}
|
||||
CopyOfDevicePath = DevicePath;
|
||||
|
||||
do {
|
||||
//
|
||||
// The outer loop handles multi instance device paths.
|
||||
// Only console variables contain multiple instance device paths.
|
||||
//
|
||||
// After this call DevicePath points to the next Instance
|
||||
//
|
||||
Instance = GetNextDevicePathInstance (&DevicePath, &Size);
|
||||
if (Instance == NULL) {
|
||||
FreePool (CopyOfDevicePath);
|
||||
return EFI_OUT_OF_RESOURCES;
|
||||
}
|
||||
|
||||
Next = Instance;
|
||||
while (!IsDevicePathEndType (Next)) {
|
||||
Next = NextDevicePathNode (Next);
|
||||
}
|
||||
|
||||
SetDevicePathEndNode (Next);
|
||||
|
||||
//
|
||||
// Start the real work of connect with RemainingDevicePath
|
||||
//
|
||||
PreviousHandle = NULL;
|
||||
do {
|
||||
//
|
||||
// Find the handle that best matches the Device Path. If it is only a
|
||||
// partial match the remaining part of the device path is returned in
|
||||
// RemainingDevicePath.
|
||||
//
|
||||
RemainingDevicePath = Instance;
|
||||
Status = gBS->LocateDevicePath (&gEfiDevicePathProtocolGuid, &RemainingDevicePath, &Handle);
|
||||
|
||||
if (!EFI_ERROR (Status)) {
|
||||
if (Handle == PreviousHandle) {
|
||||
//
|
||||
// If no forward progress is made try invoking the Dispatcher.
|
||||
// A new FV may have been added to the system an new drivers
|
||||
// may now be found.
|
||||
// Status == EFI_SUCCESS means a driver was dispatched
|
||||
// Status == EFI_NOT_FOUND means no new drivers were dispatched
|
||||
//
|
||||
Status = gDS->Dispatch ();
|
||||
}
|
||||
|
||||
if (!EFI_ERROR (Status)) {
|
||||
PreviousHandle = Handle;
|
||||
//
|
||||
// Connect all drivers that apply to Handle and RemainingDevicePath,
|
||||
// the Recursive flag is FALSE so only one level will be expanded.
|
||||
//
|
||||
// Do not check the connect status here, if the connect controller fail,
|
||||
// then still give the chance to do dispatch, because partial
|
||||
// RemainingDevicepath may be in the new FV
|
||||
//
|
||||
// 1. If the connect fail, RemainingDevicepath and handle will not
|
||||
// change, so next time will do the dispatch, then dispatch's status
|
||||
// will take effect
|
||||
// 2. If the connect success, the RemainingDevicepath and handle will
|
||||
// change, then avoid the dispatch, we have chance to continue the
|
||||
// next connection
|
||||
//
|
||||
gBS->ConnectController (Handle, NULL, RemainingDevicePath, FALSE);
|
||||
}
|
||||
}
|
||||
//
|
||||
// Loop until RemainingDevicePath is an empty device path
|
||||
//
|
||||
} while (!EFI_ERROR (Status) && !IsDevicePathEnd (RemainingDevicePath));
|
||||
|
||||
} while (DevicePath != NULL);
|
||||
|
||||
if (CopyOfDevicePath != NULL) {
|
||||
FreePool (CopyOfDevicePath);
|
||||
}
|
||||
//
|
||||
// All handle with DevicePath exists in the handle database
|
||||
//
|
||||
return Status;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
This function will connect all current system handles recursively. The
|
||||
connection will finish until every handle's child handle created if it have.
|
||||
|
||||
@retval EFI_SUCCESS All handles and it's child handle have been
|
||||
connected
|
||||
@retval EFI_STATUS Return the status of gBS->LocateHandleBuffer().
|
||||
|
||||
**/
|
||||
EFI_STATUS
|
||||
EFIAPI
|
||||
BdsLibConnectAllEfi (
|
||||
VOID
|
||||
)
|
||||
{
|
||||
EFI_STATUS Status;
|
||||
UINTN HandleCount;
|
||||
EFI_HANDLE *HandleBuffer;
|
||||
UINTN Index;
|
||||
|
||||
Status = gBS->LocateHandleBuffer (
|
||||
AllHandles,
|
||||
NULL,
|
||||
NULL,
|
||||
&HandleCount,
|
||||
&HandleBuffer
|
||||
);
|
||||
if (EFI_ERROR (Status)) {
|
||||
return Status;
|
||||
}
|
||||
|
||||
for (Index = 0; Index < HandleCount; Index++) {
|
||||
Status = gBS->ConnectController (HandleBuffer[Index], NULL, NULL, TRUE);
|
||||
}
|
||||
|
||||
if (HandleBuffer != NULL) {
|
||||
FreePool (HandleBuffer);
|
||||
}
|
||||
|
||||
return EFI_SUCCESS;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
This function will disconnect all current system handles. The disconnection
|
||||
will finish until every handle have been disconnected.
|
||||
|
||||
@retval EFI_SUCCESS All handles have been disconnected
|
||||
@retval EFI_STATUS Return the status of gBS->LocateHandleBuffer().
|
||||
|
||||
**/
|
||||
EFI_STATUS
|
||||
EFIAPI
|
||||
BdsLibDisconnectAllEfi (
|
||||
VOID
|
||||
)
|
||||
{
|
||||
EFI_STATUS Status;
|
||||
UINTN HandleCount;
|
||||
EFI_HANDLE *HandleBuffer;
|
||||
UINTN Index;
|
||||
|
||||
//
|
||||
// Disconnect all
|
||||
//
|
||||
Status = gBS->LocateHandleBuffer (
|
||||
AllHandles,
|
||||
NULL,
|
||||
NULL,
|
||||
&HandleCount,
|
||||
&HandleBuffer
|
||||
);
|
||||
if (EFI_ERROR (Status)) {
|
||||
return Status;
|
||||
}
|
||||
|
||||
for (Index = 0; Index < HandleCount; Index++) {
|
||||
Status = gBS->DisconnectController (HandleBuffer[Index], NULL, NULL);
|
||||
}
|
||||
|
||||
if (HandleBuffer != NULL) {
|
||||
FreePool (HandleBuffer);
|
||||
}
|
||||
|
||||
return EFI_SUCCESS;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
Connects all drivers to all controllers.
|
||||
This function make sure all the current system driver will manage
|
||||
the correspoinding controllers if have. And at the same time, make
|
||||
sure all the system controllers have driver to manage it if have.
|
||||
|
||||
**/
|
||||
VOID
|
||||
EFIAPI
|
||||
BdsLibConnectAllDriversToAllControllers (
|
||||
VOID
|
||||
)
|
||||
{
|
||||
EFI_STATUS Status;
|
||||
|
||||
do {
|
||||
//
|
||||
// Connect All EFI 1.10 drivers following EFI 1.10 algorithm
|
||||
//
|
||||
BdsLibConnectAllEfi ();
|
||||
|
||||
//
|
||||
// Check to see if it's possible to dispatch an more DXE drivers.
|
||||
// The BdsLibConnectAllEfi () may have made new DXE drivers show up.
|
||||
// If anything is Dispatched Status == EFI_SUCCESS and we will try
|
||||
// the connect again.
|
||||
//
|
||||
Status = gDS->Dispatch ();
|
||||
|
||||
} while (!EFI_ERROR (Status));
|
||||
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
Connect the specific Usb device which match the short form device path,
|
||||
and whose bus is determined by Host Controller (Uhci or Ehci).
|
||||
|
||||
@param HostControllerPI Uhci (0x00) or Ehci (0x20) or Both uhci and ehci
|
||||
(0xFF)
|
||||
@param RemainingDevicePath a short-form device path that starts with the first
|
||||
element being a USB WWID or a USB Class device
|
||||
path
|
||||
|
||||
@return EFI_INVALID_PARAMETER RemainingDevicePath is NULL pointer.
|
||||
RemainingDevicePath is not a USB device path.
|
||||
Invalid HostControllerPI type.
|
||||
@return EFI_SUCCESS Success to connect USB device
|
||||
@return EFI_NOT_FOUND Fail to find handle for USB controller to connect.
|
||||
|
||||
**/
|
||||
EFI_STATUS
|
||||
EFIAPI
|
||||
BdsLibConnectUsbDevByShortFormDP(
|
||||
IN UINT8 HostControllerPI,
|
||||
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
|
||||
)
|
||||
{
|
||||
EFI_STATUS Status;
|
||||
EFI_HANDLE *HandleArray;
|
||||
UINTN HandleArrayCount;
|
||||
UINTN Index;
|
||||
EFI_PCI_IO_PROTOCOL *PciIo;
|
||||
UINT8 Class[3];
|
||||
BOOLEAN AtLeastOneConnected;
|
||||
|
||||
//
|
||||
// Check the passed in parameters
|
||||
//
|
||||
if (RemainingDevicePath == NULL) {
|
||||
return EFI_INVALID_PARAMETER;
|
||||
}
|
||||
|
||||
if ((DevicePathType (RemainingDevicePath) != MESSAGING_DEVICE_PATH) ||
|
||||
((DevicePathSubType (RemainingDevicePath) != MSG_USB_CLASS_DP)
|
||||
&& (DevicePathSubType (RemainingDevicePath) != MSG_USB_WWID_DP)
|
||||
)) {
|
||||
return EFI_INVALID_PARAMETER;
|
||||
}
|
||||
|
||||
if (HostControllerPI != 0xFF &&
|
||||
HostControllerPI != 0x00 &&
|
||||
HostControllerPI != 0x20) {
|
||||
return EFI_INVALID_PARAMETER;
|
||||
}
|
||||
|
||||
//
|
||||
// Find the usb host controller firstly, then connect with the remaining device path
|
||||
//
|
||||
AtLeastOneConnected = FALSE;
|
||||
Status = gBS->LocateHandleBuffer (
|
||||
ByProtocol,
|
||||
&gEfiPciIoProtocolGuid,
|
||||
NULL,
|
||||
&HandleArrayCount,
|
||||
&HandleArray
|
||||
);
|
||||
if (!EFI_ERROR (Status)) {
|
||||
for (Index = 0; Index < HandleArrayCount; Index++) {
|
||||
Status = gBS->HandleProtocol (
|
||||
HandleArray[Index],
|
||||
&gEfiPciIoProtocolGuid,
|
||||
(VOID **)&PciIo
|
||||
);
|
||||
if (!EFI_ERROR (Status)) {
|
||||
//
|
||||
// Check whether the Pci device is the wanted usb host controller
|
||||
//
|
||||
Status = PciIo->Pci.Read (PciIo, EfiPciIoWidthUint8, 0x09, 3, &Class);
|
||||
if (!EFI_ERROR (Status)) {
|
||||
if ((PCI_CLASS_SERIAL == Class[2]) &&
|
||||
(PCI_CLASS_SERIAL_USB == Class[1])) {
|
||||
if (HostControllerPI == Class[0] || HostControllerPI == 0xFF) {
|
||||
Status = gBS->ConnectController (
|
||||
HandleArray[Index],
|
||||
NULL,
|
||||
RemainingDevicePath,
|
||||
FALSE
|
||||
);
|
||||
if (!EFI_ERROR(Status)) {
|
||||
AtLeastOneConnected = TRUE;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if (AtLeastOneConnected) {
|
||||
return EFI_SUCCESS;
|
||||
}
|
||||
}
|
||||
|
||||
return EFI_NOT_FOUND;
|
||||
}
|
Reference in New Issue
Block a user