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550 lines
17 KiB
550 lines
17 KiB
/** @file
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Main file for connect shell Driver1 function.
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(C) Copyright 2015 Hewlett-Packard Development Company, L.P.<BR>
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Copyright (c) 2010 - 2018, Intel Corporation. All rights reserved.<BR>
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#include "UefiShellDriver1CommandsLib.h"
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/**
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Create all handles associate with every device path node.
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@param DevicePathToConnect The device path which will be connected.
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@retval EFI_SUCCESS All handles associate with every device path node
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have been created.
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@retval EFI_INVALID_PARAMETER DevicePathToConnect is NULL.
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@retval EFI_NOT_FOUND Create the handle associate with one device path
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node failed
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**/
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EFI_STATUS
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ShellConnectDevicePath (
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IN EFI_DEVICE_PATH_PROTOCOL *DevicePathToConnect
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)
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{
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EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath;
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EFI_STATUS Status;
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EFI_HANDLE Handle;
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EFI_HANDLE PreviousHandle;
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if (DevicePathToConnect == NULL) {
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return EFI_INVALID_PARAMETER;
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}
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PreviousHandle = NULL;
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do{
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RemainingDevicePath = DevicePathToConnect;
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Status = gBS->LocateDevicePath (&gEfiDevicePathProtocolGuid, &RemainingDevicePath, &Handle);
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if (!EFI_ERROR (Status) && (Handle != NULL)) {
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if (PreviousHandle == Handle) {
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Status = EFI_NOT_FOUND;
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} else {
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PreviousHandle = Handle;
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Status = gBS->ConnectController (Handle, NULL, RemainingDevicePath, FALSE);
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}
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}
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} while (!EFI_ERROR (Status) && !IsDevicePathEnd (RemainingDevicePath) );
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return Status;
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}
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/**
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Connect drivers for PCI root bridge.
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@retval EFI_SUCCESS Connect drivers successfully.
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@retval EFI_NOT_FOUND Cannot find PCI root bridge device.
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**/
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EFI_STATUS
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ShellConnectPciRootBridge (
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VOID
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)
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{
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UINTN RootBridgeHandleCount;
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EFI_HANDLE *RootBridgeHandleBuffer;
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UINTN RootBridgeIndex;
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EFI_STATUS Status;
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RootBridgeHandleCount = 0;
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Status = gBS->LocateHandleBuffer (
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ByProtocol,
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&gEfiPciRootBridgeIoProtocolGuid,
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NULL,
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&RootBridgeHandleCount,
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&RootBridgeHandleBuffer
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);
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if (EFI_ERROR (Status)) {
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return Status;
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}
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for (RootBridgeIndex = 0; RootBridgeIndex < RootBridgeHandleCount; RootBridgeIndex++) {
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gBS->ConnectController (RootBridgeHandleBuffer[RootBridgeIndex], NULL, NULL, FALSE);
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}
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FreePool (RootBridgeHandleBuffer);
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return EFI_SUCCESS;
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}
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/**
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Connect controller(s) and driver(s).
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@param[in] ControllerHandle The handle to the controller. Should have driver binding on it.
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@param[in] DriverHandle The handle to the driver. Should have driver binding.
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@param[in] Recursive TRUE to connect recursively, FALSE otherwise.
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@param[in] Output TRUE to have info on the screen, FALSE otherwise.
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@param[in] AlwaysOutput Override Output for errors.
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@retval EFI_SUCCESS The operation was successful.
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**/
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EFI_STATUS
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ConnectControllers (
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IN CONST EFI_HANDLE ControllerHandle OPTIONAL,
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IN CONST EFI_HANDLE DriverHandle OPTIONAL,
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IN CONST BOOLEAN Recursive,
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IN CONST BOOLEAN Output,
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IN CONST BOOLEAN AlwaysOutput
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)
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{
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EFI_STATUS Status;
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EFI_STATUS Status2;
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EFI_HANDLE *ControllerHandleList;
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EFI_HANDLE *DriverHandleList;
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EFI_HANDLE *HandleWalker;
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ControllerHandleList = NULL;
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Status = EFI_NOT_FOUND;
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Status2 = EFI_NOT_FOUND;
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//
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// If we have a single handle to connect make that a 'list'
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//
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if (DriverHandle == NULL) {
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DriverHandleList = NULL;
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} else {
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DriverHandleList = AllocateZeroPool(2*sizeof(EFI_HANDLE));
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if (DriverHandleList == NULL) {
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return (EFI_OUT_OF_RESOURCES);
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}
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DriverHandleList[0] = DriverHandle;
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DriverHandleList[1] = NULL;
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}
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//
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// do we connect all controllers (with a loop) or a single one...
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// This is where we call the gBS->ConnectController function.
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//
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if (ControllerHandle == NULL) {
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ControllerHandleList = GetHandleListByProtocol(&gEfiDevicePathProtocolGuid);
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for (HandleWalker = ControllerHandleList
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; HandleWalker != NULL && *HandleWalker != NULL
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; HandleWalker++
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){
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Status = gBS->ConnectController(*HandleWalker, DriverHandleList, NULL, Recursive);
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if (!EFI_ERROR(Status)) {
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Status2 = EFI_SUCCESS;
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}
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if ((Output && !EFI_ERROR(Status)) || AlwaysOutput) {
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ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN(STR_HANDLE_RESULT), gShellDriver1HiiHandle, L"Connect", ConvertHandleToHandleIndex(*HandleWalker), Status);
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}
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}
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} else {
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Status = gBS->ConnectController(ControllerHandle, DriverHandleList, NULL, Recursive);
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if (!EFI_ERROR(Status)) {
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Status2 = EFI_SUCCESS;
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}
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if ((Output && !EFI_ERROR(Status)) || AlwaysOutput) {
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ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN(STR_HANDLE_RESULT), gShellDriver1HiiHandle, L"Connect", ConvertHandleToHandleIndex(ControllerHandle), Status);
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}
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}
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//
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// Free any memory we allocated.
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//
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if (ControllerHandleList != NULL) {
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FreePool(ControllerHandleList);
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}
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if (DriverHandleList != NULL) {
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FreePool(DriverHandleList);
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}
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return (Status2);
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}
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/**
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Do a connect from an EFI variable via it's key name.
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@param[in] Key The name of the EFI Variable.
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@retval EFI_SUCCESS The operation was successful.
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**/
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EFI_STATUS
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ShellConnectFromDevPaths (
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IN CONST CHAR16 *Key
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)
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{
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EFI_DEVICE_PATH_PROTOCOL *DevPath;
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EFI_DEVICE_PATH_PROTOCOL *CopyOfDevPath;
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EFI_DEVICE_PATH_PROTOCOL *Instance;
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EFI_DEVICE_PATH_PROTOCOL *Next;
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UINTN Length;
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UINTN Index;
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UINTN HandleArrayCount;
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UINTN Size;
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EFI_HANDLE *HandleArray;
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EFI_STATUS Status;
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BOOLEAN AtLeastOneConnected;
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EFI_PCI_IO_PROTOCOL *PciIo;
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UINT8 Class[3];
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DevPath = NULL;
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Length = 0;
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AtLeastOneConnected = FALSE;
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//
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// Get the DevicePath buffer from the variable...
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//
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Status = gRT->GetVariable((CHAR16*)Key, (EFI_GUID*)&gEfiGlobalVariableGuid, NULL, &Length, DevPath);
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if (Status == EFI_BUFFER_TOO_SMALL) {
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DevPath = AllocateZeroPool(Length);
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if (DevPath == NULL) {
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return EFI_OUT_OF_RESOURCES;
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}
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Status = gRT->GetVariable((CHAR16*)Key, (EFI_GUID*)&gEfiGlobalVariableGuid, NULL, &Length, DevPath);
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if (EFI_ERROR (Status)) {
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if (DevPath != NULL) {
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FreePool (DevPath);
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}
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return Status;
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}
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} else if (EFI_ERROR (Status)) {
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return Status;
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}
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Status = EFI_NOT_FOUND;
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CopyOfDevPath = DevPath;
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//
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// walk the list of devices and connect them
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//
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do {
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//
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// Check every instance of the console variable
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//
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Instance = GetNextDevicePathInstance (&CopyOfDevPath, &Size);
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if (Instance == NULL) {
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if (DevPath != NULL) {
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FreePool (DevPath);
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}
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return EFI_UNSUPPORTED;
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}
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Next = Instance;
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while (!IsDevicePathEndType (Next)) {
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Next = NextDevicePathNode (Next);
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}
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SetDevicePathEndNode (Next);
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//
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// connect short form device path
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//
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if ((DevicePathType (Instance) == MESSAGING_DEVICE_PATH) &&
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((DevicePathSubType (Instance) == MSG_USB_CLASS_DP)
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|| (DevicePathSubType (Instance) == MSG_USB_WWID_DP)
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)) {
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Status = ShellConnectPciRootBridge ();
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if (EFI_ERROR(Status)) {
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FreePool(Instance);
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FreePool(DevPath);
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return Status;
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}
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Status = gBS->LocateHandleBuffer (
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ByProtocol,
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&gEfiPciIoProtocolGuid,
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NULL,
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&HandleArrayCount,
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&HandleArray
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);
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if (!EFI_ERROR (Status)) {
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for (Index = 0; Index < HandleArrayCount; Index++) {
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Status = gBS->HandleProtocol (
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HandleArray[Index],
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&gEfiPciIoProtocolGuid,
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(VOID **)&PciIo
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);
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if (!EFI_ERROR (Status)) {
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Status = PciIo->Pci.Read (PciIo, EfiPciIoWidthUint8, 0x09, 3, &Class);
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if (!EFI_ERROR (Status)) {
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if ((PCI_CLASS_SERIAL == Class[2]) &&
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(PCI_CLASS_SERIAL_USB == Class[1])) {
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Status = gBS->ConnectController (
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HandleArray[Index],
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NULL,
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Instance,
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FALSE
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);
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if (!EFI_ERROR(Status)) {
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AtLeastOneConnected = TRUE;
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}
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}
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}
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}
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}
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}
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if (HandleArray != NULL) {
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FreePool (HandleArray);
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}
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} else {
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//
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// connect the entire device path
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//
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Status = ShellConnectDevicePath (Instance);
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if (!EFI_ERROR (Status)) {
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AtLeastOneConnected = TRUE;
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}
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}
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FreePool (Instance);
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} while (CopyOfDevPath != NULL);
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if (DevPath != NULL) {
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FreePool(DevPath);
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}
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if (AtLeastOneConnected) {
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return EFI_SUCCESS;
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} else {
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return EFI_NOT_FOUND;
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}
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}
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/**
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Convert the handle identifiers from strings and then connect them.
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One of them should have driver binding and either can be NULL.
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@param[in] Handle1 The first handle.
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@param[in] Handle2 The second handle.
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@param[in] Recursive TRUE to do connect recursively. FALSE otherwise.
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@param[in] Output TRUE to have output to screen. FALSE otherwise.
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@retval EFI_SUCCESS The operation was successful.
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**/
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EFI_STATUS
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ConvertAndConnectControllers (
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IN EFI_HANDLE *Handle1 OPTIONAL,
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IN EFI_HANDLE *Handle2 OPTIONAL,
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IN CONST BOOLEAN Recursive,
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IN CONST BOOLEAN Output
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)
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{
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//
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// if only one is NULL verify it's the proper one...
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//
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if ( (Handle1 == NULL && Handle2 != NULL)
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|| (Handle1 != NULL && Handle2 == NULL)
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){
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//
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// Figure out which one should be NULL and move the handle to the right place.
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// If Handle1 is NULL then test Handle2 and vise versa.
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// The one that DOES has driver binding must be Handle2
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//
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if (Handle1 == NULL) {
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if (EFI_ERROR(gBS->OpenProtocol(Handle2, &gEfiDriverBindingProtocolGuid, NULL, NULL, gImageHandle, EFI_OPEN_PROTOCOL_TEST_PROTOCOL))) {
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// swap
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Handle1 = Handle2;
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Handle2 = NULL;
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} else {
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// We're all good...
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}
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} else {
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if (EFI_ERROR(gBS->OpenProtocol(Handle1, &gEfiDriverBindingProtocolGuid, NULL, NULL, gImageHandle, EFI_OPEN_PROTOCOL_TEST_PROTOCOL))) {
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// We're all good...
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} else {
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// swap
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Handle2 = Handle1;
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Handle1 = NULL;
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}
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}
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}
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return (ConnectControllers(Handle1, Handle2, Recursive, Output, (BOOLEAN)(Handle2 != NULL && Handle1 != NULL)));
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}
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STATIC CONST SHELL_PARAM_ITEM ParamList[] = {
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{L"-c", TypeFlag},
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{L"-r", TypeFlag},
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{NULL, TypeMax}
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};
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/**
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Function for 'connect' command.
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@param[in] ImageHandle Handle to the Image (NULL if Internal).
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@param[in] SystemTable Pointer to the System Table (NULL if Internal).
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**/
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SHELL_STATUS
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EFIAPI
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ShellCommandRunConnect (
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IN EFI_HANDLE ImageHandle,
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IN EFI_SYSTEM_TABLE *SystemTable
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)
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{
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EFI_STATUS Status;
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LIST_ENTRY *Package;
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CHAR16 *ProblemParam;
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SHELL_STATUS ShellStatus;
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CONST CHAR16 *Param1;
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CONST CHAR16 *Param2;
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UINTN Count;
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EFI_HANDLE Handle1;
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EFI_HANDLE Handle2;
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UINT64 Intermediate;
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ShellStatus = SHELL_SUCCESS;
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//
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// initialize the shell lib (we must be in non-auto-init...)
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//
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Status = ShellInitialize();
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ASSERT_EFI_ERROR(Status);
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Status = CommandInit();
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ASSERT_EFI_ERROR(Status);
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//
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// parse the command line
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//
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Status = ShellCommandLineParse (ParamList, &Package, &ProblemParam, TRUE);
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if (EFI_ERROR(Status)) {
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if (Status == EFI_VOLUME_CORRUPTED && ProblemParam != NULL) {
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ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM), gShellDriver1HiiHandle, L"connect", ProblemParam);
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FreePool(ProblemParam);
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ShellStatus = SHELL_INVALID_PARAMETER;
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} else {
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ASSERT(FALSE);
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}
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} else {
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//
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// if more than 2 'value' parameters (plus the name one) or either -r or -c with any value parameters we have too many parameters
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//
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Count = (gInReconnect?0x4:0x3);
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if ((ShellCommandLineGetCount(Package) > Count)
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||(ShellCommandLineGetFlag(Package, L"-c") && ShellCommandLineGetCount(Package)>1)
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||(ShellCommandLineGetFlag(Package, L"-r") && ShellCommandLineGetCount(Package)>2)
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||(ShellCommandLineGetFlag(Package, L"-r") && ShellCommandLineGetFlag(Package, L"-c") )
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){
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//
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// error for too many parameters
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//
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ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellDriver1HiiHandle, L"connect");
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ShellStatus = SHELL_INVALID_PARAMETER;
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} else if (ShellCommandLineGetFlag(Package, L"-c")) {
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//
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// do the conin and conout from EFI variables
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// if the first fails dont 'loose' the error
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//
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Status = ShellConnectFromDevPaths(L"ConInDev");
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if (EFI_ERROR(Status)) {
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ShellConnectFromDevPaths(L"ConOutDev");
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} else {
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Status = ShellConnectFromDevPaths(L"ConOutDev");
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}
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if (EFI_ERROR(Status)) {
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ShellConnectFromDevPaths(L"ErrOutDev");
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} else {
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Status = ShellConnectFromDevPaths(L"ErrOutDev");
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}
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if (EFI_ERROR(Status)) {
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ShellConnectFromDevPaths(L"ErrOut");
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} else {
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Status = ShellConnectFromDevPaths(L"ErrOut");
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}
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if (EFI_ERROR(Status)) {
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ShellConnectFromDevPaths(L"ConIn");
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} else {
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Status = ShellConnectFromDevPaths(L"ConIn");
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}
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if (EFI_ERROR(Status)) {
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ShellConnectFromDevPaths(L"ConOut");
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} else {
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Status = ShellConnectFromDevPaths(L"ConOut");
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}
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if (EFI_ERROR(Status)) {
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ShellStatus = SHELL_DEVICE_ERROR;
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}
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} else {
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//
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// 0, 1, or 2 specific handles and possibly recursive
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//
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Param1 = ShellCommandLineGetRawValue(Package, 1);
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Param2 = ShellCommandLineGetRawValue(Package, 2);
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Count = ShellCommandLineGetCount(Package);
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if (Param1 != NULL) {
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Status = ShellConvertStringToUint64(Param1, &Intermediate, TRUE, FALSE);
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Handle1 = ConvertHandleIndexToHandle((UINTN)Intermediate);
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if (EFI_ERROR(Status)) {
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ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_INV_HANDLE), gShellDriver1HiiHandle, L"connect", Param1);
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ShellStatus = SHELL_INVALID_PARAMETER;
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}
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} else {
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Handle1 = NULL;
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}
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if (Param2 != NULL) {
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Status = ShellConvertStringToUint64(Param2, &Intermediate, TRUE, FALSE);
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Handle2 = ConvertHandleIndexToHandle((UINTN)Intermediate);
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if (EFI_ERROR(Status)) {
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ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_INV_HANDLE), gShellDriver1HiiHandle, L"connect", Param2);
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ShellStatus = SHELL_INVALID_PARAMETER;
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}
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} else {
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Handle2 = NULL;
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}
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if (ShellStatus == SHELL_SUCCESS) {
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if (Param1 != NULL && Handle1 == NULL){
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ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_INV_HANDLE), gShellDriver1HiiHandle, L"connect", Param1);
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ShellStatus = SHELL_INVALID_PARAMETER;
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} else if (Param2 != NULL && Handle2 == NULL) {
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ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_INV_HANDLE), gShellDriver1HiiHandle, L"connect", Param2);
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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);
|
|
}
|
|
|