/** @file | |
Main file for connect shell Driver1 function. | |
(C) Copyright 2015 Hewlett-Packard Development Company, L.P.<BR> | |
Copyright (c) 2010 - 2014, Intel Corporation. All rights reserved.<BR> | |
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 "UefiShellDriver1CommandsLib.h" | |
/** | |
Create all handles associate with every device path node. | |
@param DevicePathToConnect The device path which will be connected. | |
@retval EFI_SUCCESS All handles associate with every device path node | |
have been created. | |
@retval EFI_INVALID_PARAMETER DevicePathToConnect is NULL. | |
@retval EFI_NOT_FOUND Create the handle associate with one device path | |
node failed | |
**/ | |
EFI_STATUS | |
ShellConnectDevicePath ( | |
IN EFI_DEVICE_PATH_PROTOCOL *DevicePathToConnect | |
) | |
{ | |
EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath; | |
EFI_STATUS Status; | |
EFI_HANDLE Handle; | |
EFI_HANDLE PreviousHandle; | |
if (DevicePathToConnect == NULL) { | |
return EFI_INVALID_PARAMETER; | |
} | |
PreviousHandle = NULL; | |
do{ | |
RemainingDevicePath = DevicePathToConnect; | |
Status = gBS->LocateDevicePath (&gEfiDevicePathProtocolGuid, &RemainingDevicePath, &Handle); | |
if (!EFI_ERROR (Status) && (Handle != NULL)) { | |
if (PreviousHandle == Handle) { | |
Status = EFI_NOT_FOUND; | |
} else { | |
PreviousHandle = Handle; | |
Status = gBS->ConnectController (Handle, NULL, RemainingDevicePath, FALSE); | |
} | |
} | |
} while (!EFI_ERROR (Status) && !IsDevicePathEnd (RemainingDevicePath) ); | |
return Status; | |
} | |
/** | |
Connect drivers for PCI root bridge. | |
@retval EFI_SUCCESS Connect drivers successfully. | |
@retval EFI_NOT_FOUND Cannot find PCI root bridge device. | |
**/ | |
EFI_STATUS | |
ShellConnectPciRootBridge ( | |
VOID | |
) | |
{ | |
UINTN RootBridgeHandleCount; | |
EFI_HANDLE *RootBridgeHandleBuffer; | |
UINTN RootBridgeIndex; | |
EFI_STATUS Status; | |
RootBridgeHandleCount = 0; | |
Status = gBS->LocateHandleBuffer ( | |
ByProtocol, | |
&gEfiPciRootBridgeIoProtocolGuid, | |
NULL, | |
&RootBridgeHandleCount, | |
&RootBridgeHandleBuffer | |
); | |
if (EFI_ERROR (Status)) { | |
return Status; | |
} | |
for (RootBridgeIndex = 0; RootBridgeIndex < RootBridgeHandleCount; RootBridgeIndex++) { | |
gBS->ConnectController (RootBridgeHandleBuffer[RootBridgeIndex], NULL, NULL, FALSE); | |
} | |
FreePool (RootBridgeHandleBuffer); | |
return EFI_SUCCESS; | |
} | |
/** | |
Connect controller(s) and driver(s). | |
@param[in] ControllerHandle The handle to the controller. Should have driver binding on it. | |
@param[in] DriverHandle The handle to the driver. Should have driver binding. | |
@param[in] Recursive TRUE to connect recursively, FALSE otherwise. | |
@param[in] Output TRUE to have info on the screen, FALSE otherwise. | |
@param[in] AlwaysOutput Override Output for errors. | |
@retval EFI_SUCCESS The operation was successful. | |
**/ | |
EFI_STATUS | |
EFIAPI | |
ConnectControllers ( | |
IN CONST EFI_HANDLE ControllerHandle OPTIONAL, | |
IN CONST EFI_HANDLE DriverHandle OPTIONAL, | |
IN CONST BOOLEAN Recursive, | |
IN CONST BOOLEAN Output, | |
IN CONST BOOLEAN AlwaysOutput | |
) | |
{ | |
EFI_STATUS Status; | |
EFI_STATUS Status2; | |
EFI_HANDLE *ControllerHandleList; | |
EFI_HANDLE *DriverHandleList; | |
EFI_HANDLE *HandleWalker; | |
ControllerHandleList = NULL; | |
Status = EFI_NOT_FOUND; | |
Status2 = EFI_NOT_FOUND; | |
// | |
// If we have a single handle to connect make that a 'list' | |
// | |
if (DriverHandle == NULL) { | |
DriverHandleList = NULL; | |
} else { | |
DriverHandleList = AllocateZeroPool(2*sizeof(EFI_HANDLE)); | |
if (DriverHandleList == NULL) { | |
return (EFI_OUT_OF_RESOURCES); | |
} | |
DriverHandleList[0] = DriverHandle; | |
DriverHandleList[1] = NULL; | |
} | |
// | |
// do we connect all controllers (with a loop) or a single one... | |
// This is where we call the gBS->ConnectController function. | |
// | |
if (ControllerHandle == NULL) { | |
ControllerHandleList = GetHandleListByProtocol(&gEfiDevicePathProtocolGuid); | |
for (HandleWalker = ControllerHandleList | |
; HandleWalker != NULL && *HandleWalker != NULL | |
; HandleWalker++ | |
){ | |
Status = gBS->ConnectController(*HandleWalker, DriverHandleList, NULL, Recursive); | |
if (!EFI_ERROR(Status)) { | |
Status2 = EFI_SUCCESS; | |
} | |
if ((Output && !EFI_ERROR(Status)) || AlwaysOutput) { | |
ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN(STR_HANDLE_RESULT), gShellDriver1HiiHandle, L"Connect", ConvertHandleToHandleIndex(*HandleWalker), Status); | |
} | |
} | |
} else { | |
Status = gBS->ConnectController(ControllerHandle, DriverHandleList, NULL, Recursive); | |
if (!EFI_ERROR(Status)) { | |
Status2 = EFI_SUCCESS; | |
} | |
if ((Output && !EFI_ERROR(Status)) || AlwaysOutput) { | |
ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN(STR_HANDLE_RESULT), gShellDriver1HiiHandle, L"Connect", ConvertHandleToHandleIndex(ControllerHandle), Status); | |
} | |
} | |
// | |
// Free any memory we allocated. | |
// | |
if (ControllerHandleList != NULL) { | |
FreePool(ControllerHandleList); | |
} | |
if (DriverHandleList != NULL) { | |
FreePool(DriverHandleList); | |
} | |
return (Status2); | |
} | |
/** | |
Do a connect from an EFI variable via it's key name. | |
@param[in] Key The name of the EFI Variable. | |
@retval EFI_SUCCESS The operation was successful. | |
**/ | |
EFI_STATUS | |
EFIAPI | |
ShellConnectFromDevPaths ( | |
IN CONST CHAR16 *Key | |
) | |
{ | |
EFI_DEVICE_PATH_PROTOCOL *DevPath; | |
EFI_DEVICE_PATH_PROTOCOL *CopyOfDevPath; | |
EFI_DEVICE_PATH_PROTOCOL *Instance; | |
EFI_DEVICE_PATH_PROTOCOL *Next; | |
UINTN Length; | |
UINTN Index; | |
UINTN HandleArrayCount; | |
UINTN Size; | |
EFI_HANDLE *HandleArray; | |
EFI_STATUS Status; | |
BOOLEAN AtLeastOneConnected; | |
EFI_PCI_IO_PROTOCOL *PciIo; | |
UINT8 Class[3]; | |
DevPath = NULL; | |
Length = 0; | |
AtLeastOneConnected = FALSE; | |
// | |
// Get the DevicePath buffer from the variable... | |
// | |
Status = gRT->GetVariable((CHAR16*)Key, (EFI_GUID*)&gEfiGlobalVariableGuid, NULL, &Length, DevPath); | |
if (Status == EFI_BUFFER_TOO_SMALL) { | |
DevPath = AllocateZeroPool(Length); | |
if (DevPath == NULL) { | |
return EFI_OUT_OF_RESOURCES; | |
} | |
Status = gRT->GetVariable((CHAR16*)Key, (EFI_GUID*)&gEfiGlobalVariableGuid, NULL, &Length, DevPath); | |
if (EFI_ERROR (Status)) { | |
if (DevPath != NULL) { | |
FreePool (DevPath); | |
} | |
return Status; | |
} | |
} else if (EFI_ERROR (Status)) { | |
return Status; | |
} | |
Status = EFI_NOT_FOUND; | |
CopyOfDevPath = DevPath; | |
// | |
// walk the list of devices and connect them | |
// | |
do { | |
// | |
// Check every instance of the console variable | |
// | |
Instance = GetNextDevicePathInstance (&CopyOfDevPath, &Size); | |
if (Instance == NULL) { | |
if (DevPath != NULL) { | |
FreePool (DevPath); | |
} | |
return EFI_UNSUPPORTED; | |
} | |
Next = Instance; | |
while (!IsDevicePathEndType (Next)) { | |
Next = NextDevicePathNode (Next); | |
} | |
SetDevicePathEndNode (Next); | |
// | |
// connect short form device path | |
// | |
if ((DevicePathType (Instance) == MESSAGING_DEVICE_PATH) && | |
((DevicePathSubType (Instance) == MSG_USB_CLASS_DP) | |
|| (DevicePathSubType (Instance) == MSG_USB_WWID_DP) | |
)) { | |
Status = ShellConnectPciRootBridge (); | |
if (EFI_ERROR(Status)) { | |
FreePool(Instance); | |
FreePool(DevPath); | |
return Status; | |
} | |
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)) { | |
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])) { | |
Status = gBS->ConnectController ( | |
HandleArray[Index], | |
NULL, | |
Instance, | |
FALSE | |
); | |
if (!EFI_ERROR(Status)) { | |
AtLeastOneConnected = TRUE; | |
} | |
} | |
} | |
} | |
} | |
} | |
if (HandleArray != NULL) { | |
FreePool (HandleArray); | |
} | |
} else { | |
// | |
// connect the entire device path | |
// | |
Status = ShellConnectDevicePath (Instance); | |
if (!EFI_ERROR (Status)) { | |
AtLeastOneConnected = TRUE; | |
} | |
} | |
FreePool (Instance); | |
} while (CopyOfDevPath != NULL); | |
if (DevPath != NULL) { | |
FreePool(DevPath); | |
} | |
if (AtLeastOneConnected) { | |
return EFI_SUCCESS; | |
} else { | |
return EFI_NOT_FOUND; | |
} | |
} | |
/** | |
Convert the handle identifiers from strings and then connect them. | |
One of them should have driver binding and either can be NULL. | |
@param[in] Handle1 The first handle. | |
@param[in] Handle2 The second handle. | |
@param[in] Recursive TRUE to do connect recursively. FALSE otherwise. | |
@param[in] Output TRUE to have output to screen. FALSE otherwise. | |
@retval EFI_SUCCESS The operation was successful. | |
**/ | |
EFI_STATUS | |
EFIAPI | |
ConvertAndConnectControllers ( | |
IN EFI_HANDLE *Handle1 OPTIONAL, | |
IN EFI_HANDLE *Handle2 OPTIONAL, | |
IN CONST BOOLEAN Recursive, | |
IN CONST BOOLEAN Output | |
) | |
{ | |
// | |
// if only one is NULL verify it's the proper one... | |
// | |
if ( (Handle1 == NULL && Handle2 != NULL) | |
|| (Handle1 != NULL && Handle2 == NULL) | |
){ | |
// | |
// Figure out which one should be NULL and move the handle to the right place. | |
// If Handle1 is NULL then test Handle2 and vise versa. | |
// The one that DOES has driver binding must be Handle2 | |
// | |
if (Handle1 == NULL) { | |
if (EFI_ERROR(gBS->OpenProtocol(Handle2, &gEfiDriverBindingProtocolGuid, NULL, NULL, gImageHandle, EFI_OPEN_PROTOCOL_TEST_PROTOCOL))) { | |
// swap | |
Handle1 = Handle2; | |
Handle2 = NULL; | |
} else { | |
// We're all good... | |
} | |
} else { | |
if (EFI_ERROR(gBS->OpenProtocol(Handle1, &gEfiDriverBindingProtocolGuid, NULL, NULL, gImageHandle, EFI_OPEN_PROTOCOL_TEST_PROTOCOL))) { | |
// We're all good... | |
} else { | |
// swap | |
Handle2 = Handle1; | |
Handle1 = NULL; | |
} | |
} | |
} | |
return (ConnectControllers(Handle1, Handle2, Recursive, Output, (BOOLEAN)(Handle2 != NULL && Handle1 != NULL))); | |
} | |
STATIC CONST SHELL_PARAM_ITEM ParamList[] = { | |
{L"-c", TypeFlag}, | |
{L"-r", TypeFlag}, | |
{NULL, TypeMax} | |
}; | |
/** | |
Function for 'connect' command. | |
@param[in] ImageHandle Handle to the Image (NULL if Internal). | |
@param[in] SystemTable Pointer to the System Table (NULL if Internal). | |
**/ | |
SHELL_STATUS | |
EFIAPI | |
ShellCommandRunConnect ( | |
IN EFI_HANDLE ImageHandle, | |
IN EFI_SYSTEM_TABLE *SystemTable | |
) | |
{ | |
EFI_STATUS Status; | |
LIST_ENTRY *Package; | |
CHAR16 *ProblemParam; | |
SHELL_STATUS ShellStatus; | |
CONST CHAR16 *Param1; | |
CONST CHAR16 *Param2; | |
UINTN Count; | |
EFI_HANDLE Handle1; | |
EFI_HANDLE Handle2; | |
UINT64 Intermediate; | |
ShellStatus = SHELL_SUCCESS; | |
// | |
// initialize the shell lib (we must be in non-auto-init...) | |
// | |
Status = ShellInitialize(); | |
ASSERT_EFI_ERROR(Status); | |
Status = CommandInit(); | |
ASSERT_EFI_ERROR(Status); | |
// | |
// parse the command line | |
// | |
Status = ShellCommandLineParse (ParamList, &Package, &ProblemParam, TRUE); | |
if (EFI_ERROR(Status)) { | |
if (Status == EFI_VOLUME_CORRUPTED && ProblemParam != NULL) { | |
ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM), gShellDriver1HiiHandle, L"connect", ProblemParam); | |
FreePool(ProblemParam); | |
ShellStatus = SHELL_INVALID_PARAMETER; | |
} else { | |
ASSERT(FALSE); | |
} | |
} else { | |
// | |
// if more than 2 'value' parameters (plus the name one) or either -r or -c with any value parameters we have too many parameters | |
// | |
Count = (gInReconnect?0x4:0x3); | |
if ((ShellCommandLineGetCount(Package) > Count) | |
||((ShellCommandLineGetFlag(Package, L"-r") || ShellCommandLineGetFlag(Package, L"-c")) && ShellCommandLineGetCount(Package)>1) | |
||(ShellCommandLineGetFlag(Package, L"-r") && ShellCommandLineGetFlag(Package, L"-c") ) | |
){ | |
// | |
// error for too many parameters | |
// | |
ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellDriver1HiiHandle, L"connect"); | |
ShellStatus = SHELL_INVALID_PARAMETER; | |
} else if (ShellCommandLineGetFlag(Package, L"-c")) { | |
// | |
// do the conin and conout from EFI variables | |
// if the first fails dont 'loose' the error | |
// | |
Status = ShellConnectFromDevPaths(L"ConInDev"); | |
if (EFI_ERROR(Status)) { | |
ShellConnectFromDevPaths(L"ConOutDev"); | |
} else { | |
Status = ShellConnectFromDevPaths(L"ConOutDev"); | |
} | |
if (EFI_ERROR(Status)) { | |
ShellConnectFromDevPaths(L"ErrOutDev"); | |
} else { | |
Status = ShellConnectFromDevPaths(L"ErrOutDev"); | |
} | |
if (EFI_ERROR(Status)) { | |
ShellConnectFromDevPaths(L"ErrOut"); | |
} else { | |
Status = ShellConnectFromDevPaths(L"ErrOut"); | |
} | |
if (EFI_ERROR(Status)) { | |
ShellConnectFromDevPaths(L"ConIn"); | |
} else { | |
Status = ShellConnectFromDevPaths(L"ConIn"); | |
} | |
if (EFI_ERROR(Status)) { | |
ShellConnectFromDevPaths(L"ConOut"); | |
} else { | |
Status = ShellConnectFromDevPaths(L"ConOut"); | |
} | |
if (EFI_ERROR(Status)) { | |
ShellStatus = SHELL_DEVICE_ERROR; | |
} | |
} else { | |
// | |
// 0, 1, or 2 specific handles and possibly recursive | |
// | |
Param1 = ShellCommandLineGetRawValue(Package, 1); | |
Param2 = ShellCommandLineGetRawValue(Package, 2); | |
Count = ShellCommandLineGetCount(Package); | |
if (Param1 != NULL) { | |
Status = ShellConvertStringToUint64(Param1, &Intermediate, TRUE, FALSE); | |
Handle1 = ConvertHandleIndexToHandle((UINTN)Intermediate); | |
if (EFI_ERROR(Status)) { | |
ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_INV_HANDLE), gShellDriver1HiiHandle, L"connect", Param1); | |
ShellStatus = SHELL_INVALID_PARAMETER; | |
} | |
} else { | |
Handle1 = NULL; | |
} | |
if (Param2 != NULL) { | |
Status = ShellConvertStringToUint64(Param2, &Intermediate, TRUE, FALSE); | |
Handle2 = ConvertHandleIndexToHandle((UINTN)Intermediate); | |
if (EFI_ERROR(Status)) { | |
ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_INV_HANDLE), gShellDriver1HiiHandle, L"connect", Param2); | |
ShellStatus = SHELL_INVALID_PARAMETER; | |
} | |
} else { | |
Handle2 = NULL; | |
} | |
if (ShellStatus == SHELL_SUCCESS) { | |
if (Param1 != NULL && Handle1 == NULL){ | |
ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_INV_HANDLE), gShellDriver1HiiHandle, L"connect", Param1); | |
ShellStatus = SHELL_INVALID_PARAMETER; | |
} else if (Param2 != NULL && Handle2 == NULL) { | |
ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_INV_HANDLE), gShellDriver1HiiHandle, L"connect", Param2); | |
ShellStatus = SHELL_INVALID_PARAMETER; | |
} else if (Handle2 != NULL && Handle1 != NULL && EFI_ERROR(gBS->OpenProtocol(Handle2, &gEfiDriverBindingProtocolGuid, NULL, gImageHandle, NULL, EFI_OPEN_PROTOCOL_TEST_PROTOCOL))) { | |
ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_INV_HANDLE), gShellDriver1HiiHandle, L"connect", Param2); | |
ShellStatus = SHELL_INVALID_PARAMETER; | |
} else { | |
Status = ConvertAndConnectControllers(Handle1, Handle2, ShellCommandLineGetFlag(Package, L"-r"), (BOOLEAN)(Count!=0)); | |
if (EFI_ERROR(Status)) { | |
ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_CONNECT_NONE), gShellDriver1HiiHandle); | |
ShellStatus = SHELL_DEVICE_ERROR; | |
} | |
} | |
} | |
} | |
ShellCommandLineFreeVarList (Package); | |
} | |
return (ShellStatus); | |
} | |