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audk/ShellPkg/Library/UefiShellDriver1CommandsLib/Drivers.c

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/** @file
Main file for Drivers shell Driver1 function.
(C) Copyright 2012-2015 Hewlett-Packard Development Company, L.P.<BR>
Copyright (c) 2010 - 2015, 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"
#define MAX_LEN_DRIVER_NAME 35
STATIC CONST SHELL_PARAM_ITEM ParamList[] = {
{L"-sfo", TypeFlag},
{L"-l", TypeValue},
{NULL, TypeMax}
};
/**
Get a device path (in text format) for a given handle.
@param[in] TheHandle The handle to get the device path for.
@retval NULL An error occured.
@return A pointer to the driver path as a string. The callee must
free this memory.
**/
CHAR16*
EFIAPI
GetDevicePathTextForHandle(
IN EFI_HANDLE TheHandle
)
{
EFI_STATUS Status;
EFI_LOADED_IMAGE_PROTOCOL *LoadedImage;
EFI_DEVICE_PATH_PROTOCOL *ImageDevicePath;
EFI_DEVICE_PATH_PROTOCOL *FinalPath;
CHAR16 *RetVal;
FinalPath = NULL;
Status = gBS->OpenProtocol (
TheHandle,
&gEfiLoadedImageProtocolGuid,
(VOID**)&LoadedImage,
gImageHandle,
NULL,
EFI_OPEN_PROTOCOL_GET_PROTOCOL
);
if (!EFI_ERROR (Status)) {
Status = gBS->OpenProtocol (
LoadedImage->DeviceHandle,
&gEfiDevicePathProtocolGuid,
(VOID**)&ImageDevicePath,
gImageHandle,
NULL,
EFI_OPEN_PROTOCOL_GET_PROTOCOL
);
if (!EFI_ERROR (Status)) {
FinalPath = AppendDevicePath (ImageDevicePath, LoadedImage->FilePath);
gBS->CloseProtocol(
LoadedImage->DeviceHandle,
&gEfiDevicePathProtocolGuid,
gImageHandle,
NULL);
}
gBS->CloseProtocol(
TheHandle,
&gEfiLoadedImageProtocolGuid,
gImageHandle,
NULL);
}
if (FinalPath == NULL) {
return (NULL);
}
RetVal = gEfiShellProtocol->GetFilePathFromDevicePath(FinalPath);
if (RetVal == NULL) {
RetVal = ConvertDevicePathToText(FinalPath, TRUE, TRUE);
}
FreePool(FinalPath);
return (RetVal);
}
/**
Determine if the given handle has Driver Configuration protocol.
@param[in] TheHandle The handle to the driver to test.
@retval TRUE The driver does have Driver Configuration.
@retval FALSE The driver does not have Driver Configuration.
**/
BOOLEAN
EFIAPI
ReturnDriverConfig(
IN CONST EFI_HANDLE TheHandle
)
{
EFI_STATUS Status;
Status = gBS->OpenProtocol((EFI_HANDLE)TheHandle, &gEfiDriverConfigurationProtocolGuid, NULL, gImageHandle, NULL, EFI_OPEN_PROTOCOL_TEST_PROTOCOL);
if (EFI_ERROR(Status)) {
return (FALSE);
}
return (TRUE);
}
/**
Determine if the given handle has DriverDiagnostics protocol.
@param[in] TheHandle The handle to the driver to test.
@retval TRUE The driver does have Driver Diasgnostics.
@retval FALSE The driver does not have Driver Diagnostics.
**/
BOOLEAN
EFIAPI
ReturnDriverDiag(
IN CONST EFI_HANDLE TheHandle
)
{
EFI_STATUS Status;
Status = gBS->OpenProtocol((EFI_HANDLE)TheHandle, &gEfiDriverDiagnostics2ProtocolGuid, NULL, gImageHandle, NULL, EFI_OPEN_PROTOCOL_TEST_PROTOCOL);
if (EFI_ERROR(Status)) {
Status = gBS->OpenProtocol((EFI_HANDLE)TheHandle, &gEfiDriverDiagnosticsProtocolGuid, NULL, gImageHandle, NULL, EFI_OPEN_PROTOCOL_TEST_PROTOCOL);
if (EFI_ERROR(Status)) {
return (FALSE);
}
}
return (TRUE);
}
/**
Finds and returns the version of the driver specified by TheHandle.
@param[in] TheHandle The driver handle to get the version of.
@return The version of the driver.
@retval 0xFFFFFFFF An error ocurred.
**/
UINT32
EFIAPI
ReturnDriverVersion(
IN CONST EFI_HANDLE TheHandle
)
{
EFI_DRIVER_BINDING_PROTOCOL *DriverBinding;
EFI_STATUS Status;
UINT32 RetVal;
RetVal = (UINT32)-1;
Status = gBS->OpenProtocol((EFI_HANDLE)TheHandle, &gEfiDriverBindingProtocolGuid, (VOID**)&DriverBinding, gImageHandle, NULL, EFI_OPEN_PROTOCOL_GET_PROTOCOL);
if (!EFI_ERROR(Status)) {
RetVal = DriverBinding->Version;
gBS->CloseProtocol(TheHandle, &gEfiDriverBindingProtocolGuid, gImageHandle, NULL);
}
return (RetVal);
}
/**
Function for 'drivers' 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
ShellCommandRunDrivers (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
{
EFI_STATUS Status;
LIST_ENTRY *Package;
CHAR16 *ProblemParam;
SHELL_STATUS ShellStatus;
CHAR8 *Language;
CONST CHAR16 *Lang;
EFI_HANDLE *HandleList;
EFI_HANDLE *HandleWalker;
UINTN ChildCount;
UINTN DeviceCount;
CHAR16 *Temp2;
CONST CHAR16 *FullDriverName;
CHAR16 *TruncatedDriverName;
CHAR16 *FormatString;
UINT32 DriverVersion;
BOOLEAN DriverConfig;
BOOLEAN DriverDiag;
BOOLEAN SfoFlag;
ShellStatus = SHELL_SUCCESS;
Status = EFI_SUCCESS;
Language = NULL;
FormatString = NULL;
SfoFlag = FALSE;
//
// 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"drivers", ProblemParam);
FreePool(ProblemParam);
ShellStatus = SHELL_INVALID_PARAMETER;
} else {
ASSERT(FALSE);
}
} else {
if (ShellCommandLineGetCount(Package) > 1) {
ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellDriver1HiiHandle, L"drivers");
ShellStatus = SHELL_INVALID_PARAMETER;
} else {
if (ShellCommandLineGetFlag(Package, L"-l")){
Lang = ShellCommandLineGetValue(Package, L"-l");
if (Lang != NULL) {
Language = AllocateZeroPool(StrSize(Lang));
AsciiSPrint(Language, StrSize(Lang), "%S", Lang);
} else {
ASSERT(Language == NULL);
ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_NO_VALUE), gShellDriver1HiiHandle, L"drivers", L"-l");
ShellCommandLineFreeVarList (Package);
return (SHELL_INVALID_PARAMETER);
}
}
if (ShellCommandLineGetFlag (Package, L"-sfo")) {
SfoFlag = TRUE;
FormatString = HiiGetString (gShellDriver1HiiHandle, STRING_TOKEN (STR_DRIVERS_ITEM_LINE_SFO), Language);
//
// print the SFO header
//
ShellPrintHiiEx (
-1,
-1,
Language,
STRING_TOKEN (STR_GEN_SFO_HEADER),
gShellDriver1HiiHandle,
L"drivers");
} else {
FormatString = HiiGetString (gShellDriver1HiiHandle, STRING_TOKEN (STR_DRIVERS_ITEM_LINE), Language);
//
// print the header row
//
ShellPrintHiiEx(
-1,
-1,
Language,
STRING_TOKEN (STR_DRIVERS_HEADER_LINES),
gShellDriver1HiiHandle);
}
HandleList = GetHandleListByProtocol(&gEfiDriverBindingProtocolGuid);
for (HandleWalker = HandleList ; HandleWalker != NULL && *HandleWalker != NULL ; HandleWalker++){
ChildCount = 0;
DeviceCount = 0;
Status = ParseHandleDatabaseForChildDevices (*HandleWalker, &ChildCount , NULL);
Status = PARSE_HANDLE_DATABASE_DEVICES (*HandleWalker, &DeviceCount, NULL);
Temp2 = GetDevicePathTextForHandle(*HandleWalker);
DriverVersion = ReturnDriverVersion(*HandleWalker);
DriverConfig = ReturnDriverConfig(*HandleWalker);
DriverDiag = ReturnDriverDiag (*HandleWalker);
FullDriverName = GetStringNameFromHandle(*HandleWalker, Language);
TruncatedDriverName = NULL;
if (!SfoFlag && (FullDriverName != NULL)) {
TruncatedDriverName = AllocateZeroPool ((MAX_LEN_DRIVER_NAME + 1) * sizeof (CHAR16));
StrnCpyS (TruncatedDriverName, MAX_LEN_DRIVER_NAME + 1, FullDriverName, MAX_LEN_DRIVER_NAME);
}
ShellPrintEx(
-1,
-1,
FormatString,
ConvertHandleToHandleIndex(*HandleWalker),
DriverVersion,
ChildCount > 0?L'B':(DeviceCount > 0?L'D':L'?'),
DriverConfig?L'Y':L'N',
DriverDiag?L'Y':L'N',
DeviceCount,
ChildCount,
SfoFlag?FullDriverName:TruncatedDriverName,
Temp2==NULL?L"":Temp2
);
if (TruncatedDriverName != NULL) {
FreePool (TruncatedDriverName);
}
if (Temp2 != NULL) {
FreePool(Temp2);
}
if (ShellGetExecutionBreakFlag ()) {
ShellStatus = SHELL_ABORTED;
break;
}
}
}
SHELL_FREE_NON_NULL(Language);
ShellCommandLineFreeVarList (Package);
SHELL_FREE_NON_NULL(FormatString);
}
return (ShellStatus);
}
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