ShellPkg/Library/UefiShellDriver1CommandsLib/Devices.c

   1 /** @file
   2   Main file for devices shell Driver1 function.
   3
   4   Copyright (c) 2010, Intel Corporation. All rights reserved.<BR>
   5   This program and the accompanying materials
   6   are licensed and made available under the terms and conditions of the BSD License
   7   which accompanies this distribution.  The full text of the license may be found at
   8   http://opensource.org/licenses/bsd-license.php
   9
  10   THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  11   WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  12
  13 **/
  14
  15 #include "UefiShellDriver1CommandsLib.h"
  16
  17 EFI_STATUS
  18 EFIAPI
  19 GetDeviceHandleInfo (
  20   IN EFI_HANDLE   TheHandle,
  21   IN CHAR16       *Type,
  22   IN BOOLEAN      *Cfg,
  23   IN BOOLEAN      *Diag,
  24   IN UINT8        *Parents,
  25   IN UINT8        *Devices,
  26   IN UINT8        *Children,
  27   OUT CHAR16      **Name,
  28   IN CONST CHAR8  *Language
  29   ){
  30   *Name = NULL;
  31
  32   gEfiShellProtocol->GetDeviceName(TheHandle, EFI_DEVICE_NAME_USE_COMPONENT_NAME|EFI_DEVICE_NAME_USE_DEVICE_PATH, (CHAR8*)Language, Name);
  33
  34
  35
  36
  37
  38
  39
  40
  41
  42
  43
  44
  45
  46   return (EFI_SUCCESS);
  47 }
  48
  49 STATIC CONST SHELL_PARAM_ITEM ParamList[] = {
  50   {L"-l", TypeValue},
  51   {NULL, TypeMax}
  52   };
  53
  54 SHELL_STATUS
  55 EFIAPI
  56 ShellCommandRunDevices (
  57   VOID                *RESERVED
  58   ) {
  59   EFI_STATUS          Status;
  60   LIST_ENTRY          *Package;
  61   CHAR16              *ProblemParam;
  62   SHELL_STATUS        ShellStatus;
  63   CHAR8               *Language;
  64   EFI_HANDLE          *HandleList;
  65   EFI_HANDLE          *HandleListWalker;
  66   CHAR16              Type;
  67   BOOLEAN             Cfg;
  68   BOOLEAN             Diag;
  69   UINT8               Parents;
  70   UINT8               Devices;
  71   UINT8               Children;
  72   CHAR16              *Name;
  73
  74   ShellStatus         = SHELL_SUCCESS;
  75   Language            = NULL;
  76
  77   //
  78   // initialize the shell lib (we must be in non-auto-init...)
  79   //
  80   Status = ShellInitialize();
  81   ASSERT_EFI_ERROR(Status);
  82
  83   Status = CommandInit();
  84   ASSERT_EFI_ERROR(Status);
  85
  86   //
  87   // parse the command line
  88   //
  89   Status = ShellCommandLineParse (ParamList, &Package, &ProblemParam, TRUE);
  90   if EFI_ERROR(Status) {
  91     if (Status == EFI_VOLUME_CORRUPTED && ProblemParam != NULL) {
  92       ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM), gShellDriver1HiiHandle, ProblemParam);
  93       FreePool(ProblemParam);
  94       ShellStatus = SHELL_INVALID_PARAMETER;
  95     } else {
  96       ASSERT(FALSE);
  97     }
  98   } else {
  99     //
 100     // if more than 0 'value' parameters  we have too many parameters
 101     //
 102     if (ShellCommandLineGetRawValue(Package, 1) != NULL){
 103       //
 104       // error for too many parameters
 105       //
 106       ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellDriver1HiiHandle);
 107       ShellStatus = SHELL_INVALID_PARAMETER;
 108     } else {
 109       //
 110       // get the language if necessary
 111       //
 112       if (ShellCommandLineGetFlag(Package, L"-l") != FALSE) {
 113         Language = AllocateZeroPool(StrSize(ShellCommandLineGetValue(Package, L"-l")));
 114         AsciiSPrint(Language, StrSize(ShellCommandLineGetValue(Package, L"-l")), "%S", ShellCommandLineGetValue(Package, L"-l"));
 115       }
 116
 117       //
 118       // Print Header
 119       //
 120       ShellPrintHiiEx(-1, -1, Language, STRING_TOKEN (STR_DEVICES_HEADER_LINES), gShellDriver1HiiHandle);
 121
 122       //
 123       // loop through each handle
 124       //
 125       HandleList = GetHandleListByPotocol(NULL);
 126       ASSERT(HandleList != NULL);
 127       for (HandleListWalker = HandleList
 128         ;  HandleListWalker != NULL && *HandleListWalker != NULL && !EFI_ERROR(Status)
 129         ;  HandleListWalker++
 130         ){
 131         //
 132         // get all the info on each handle
 133         //
 134         Status = GetDeviceHandleInfo(*HandleListWalker, &Type, &Cfg, &Diag, &Parents, &Devices, &Children, &Name, Language);
 135         if (Parents != 0 || Devices != 0 || Children != 0) {
 136           ShellPrintHiiEx(
 137             -1,
 138             -1,
 139             Language,
 140             STRING_TOKEN (STR_DEVICES_ITEM_LINE),
 141             gShellDriver1HiiHandle,
 142             *HandleListWalker,
 143             Type,
 144             Cfg!=FALSE?L'X':L'-',
 145             Diag!=FALSE?L'X':L'-',
 146             Parents,
 147             Devices,
 148             Children,
 149             Name);
 150         }
 151         if (Name != NULL) {
 152           FreePool(Name);
 153         }
 154       }
 155
 156       if (HandleList != NULL) {
 157         FreePool(HandleList);
 158       }
 159     }
 160     ShellCommandLineFreeVarList (Package);
 161   }
 162   return (ShellStatus);
 163 }
 164