diff options
Diffstat (limited to 'EdkNt32Pkg/Library/EdkGenericBdsLib/BdsConnect.c')
| -rw-r--r-- | EdkNt32Pkg/Library/EdkGenericBdsLib/BdsConnect.c | 357 |
1 files changed, 0 insertions, 357 deletions
diff --git a/EdkNt32Pkg/Library/EdkGenericBdsLib/BdsConnect.c b/EdkNt32Pkg/Library/EdkGenericBdsLib/BdsConnect.c deleted file mode 100644 index 772b339f9b..0000000000 --- a/EdkNt32Pkg/Library/EdkGenericBdsLib/BdsConnect.c +++ /dev/null @@ -1,357 +0,0 @@ -/*++
-
-Copyright (c) 2006 - 2007, Intel Corporation
-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.
-
-Module Name:
-
- BdsConnect.c
-
-Abstract:
-
- BDS Lib functions which relate with connect the device
-
---*/
-
-VOID
-BdsLibConnectAll (
- VOID
- )
-/*++
-
-Routine Description:
-
- 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 avialbe and the platform default
- console connected.
-
-Arguments:
-
- None
-
-Returns:
-
- None
-
---*/
-{
- //
- // 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 ();
-}
-
-VOID
-BdsLibGenericConnectAll (
- VOID
- )
-/*++
-
-Routine Description:
-
- 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 avariable
- if the system have console device.
-
-Arguments:
-
- None
-
-Returns:
-
- None
-
---*/
-{
- //
- // Most generic way to connect all the drivers
- //
- BdsLibConnectAllDriversToAllControllers ();
- BdsLibConnectAllConsoles ();
-}
-
-EFI_STATUS
-BdsLibConnectDevicePath (
- IN EFI_DEVICE_PATH_PROTOCOL *DevicePathToConnect
- )
-/*++
-
-Routine Description:
- 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.
-
-Arguments:
-
- DevicePathToConnect - The device path which will be connected, it can
- be a multi-instance device path
-
-Returns:
-
- EFI_SUCCESS - All handles associate with every device path
- node have been created
-
- EFI_OUT_OF_RESOURCES - There is no resource to create new handles
-
- EFI_NOT_FOUND - Create the handle associate with one device
- path node failed
-
---*/
-{
- 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);
- CopyOfDevicePath = DevicePath;
- if (DevicePath == NULL) {
- return EFI_OUT_OF_RESOURCES;
- }
-
- 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);
- 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;
-}
-
-EFI_STATUS
-BdsLibConnectAllEfi (
- VOID
- )
-/*++
-
-Routine Description:
-
- This function will connect all current system handles recursively. The
- connection will finish until every handle's child handle created if it have.
-
-Arguments:
-
- None
-
-Returns:
-
- EFI_SUCCESS - All handles and it's child handle have been connected
-
- EFI_STATUS - Return the status of gBS->LocateHandleBuffer().
-
---*/
-{
- 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);
- }
-
- FreePool (HandleBuffer);
-
- return EFI_SUCCESS;
-}
-
-EFI_STATUS
-BdsLibDisconnectAllEfi (
- VOID
- )
-/*++
-
-Routine Description:
-
- This function will disconnect all current system handles. The disconnection
- will finish until every handle have been disconnected.
-
-Arguments:
-
- None
-
-Returns:
-
- EFI_SUCCESS - All handles have been disconnected
-
- EFI_STATUS - Return the status of gBS->LocateHandleBuffer().
-
---*/
-{
- 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);
- }
-
- FreePool (HandleBuffer);
-
- return EFI_SUCCESS;
-}
-
-VOID
-BdsLibConnectAllDriversToAllControllers (
- VOID
- )
-/*++
-
-Routine Description:
-
- 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.
-
-Arguments:
-
- None
-
-Returns:
-
- None
-
---*/
-{
- 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));
-
-}
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