1 /** @file 2 Main file for Disconnect shell Driver1 function. 3 4 (C) Copyright 2015 Hewlett-Packard Development Company, L.P.<BR> 5 Copyright (c) 2010 - 2012, Intel Corporation. All rights reserved.<BR> 6 This program and the accompanying materials 7 are licensed and made available under the terms and conditions of the BSD License 8 which accompanies this distribution. The full text of the license may be found at 9 http://opensource.org/licenses/bsd-license.php 10 11 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, 12 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. 13 14 **/ 15 16 #include "UefiShellDriver1CommandsLib.h" 17 18 STATIC CONST SHELL_PARAM_ITEM ParamList[] = { 19 {L"-r", TypeFlag}, 20 {NULL, TypeMax} 21 }; 22 23 /** 24 Disconnect everything. 25 26 @retval EFI_SUCCESS The operation was successful. 27 **/ 28 EFI_STATUS 29 EFIAPI 30 DisconnectAll( 31 VOID 32 ) 33 { 34 // 35 // Stolen from UEFI 2.3 spec (May 2009 version) 36 // Pages 171/172 37 // Removed gBS local definition 38 // 39 40 // 41 // Disconnect All Handles Example 42 // The following example recusively disconnects all drivers from all 43 // controllers in a platform. 44 // 45 EFI_STATUS Status; 46 // EFI_BOOT_SERVICES *gBS; 47 UINTN HandleCount; 48 EFI_HANDLE *HandleBuffer; 49 UINTN HandleIndex; 50 // 51 // Retrieve the list of all handles from the handle database 52 // 53 Status = gBS->LocateHandleBuffer ( 54 AllHandles, 55 NULL, 56 NULL, 57 &HandleCount, 58 &HandleBuffer 59 ); 60 if (!EFI_ERROR (Status)) { 61 for (HandleIndex = 0; HandleIndex < HandleCount; HandleIndex++) { 62 Status = gBS->DisconnectController ( 63 HandleBuffer[HandleIndex], 64 NULL, 65 NULL 66 ); 67 } 68 gBS->FreePool(HandleBuffer); 69 // 70 // end of stealing 71 // 72 } 73 return (EFI_SUCCESS); 74 } 75 76 /** 77 Function for 'disconnect' command. 78 79 @param[in] ImageHandle Handle to the Image (NULL if Internal). 80 @param[in] SystemTable Pointer to the System Table (NULL if Internal). 81 **/ 82 SHELL_STATUS 83 EFIAPI 84 ShellCommandRunDisconnect ( 85 IN EFI_HANDLE ImageHandle, 86 IN EFI_SYSTEM_TABLE *SystemTable 87 ) 88 { 89 EFI_STATUS Status; 90 LIST_ENTRY *Package; 91 CHAR16 *ProblemParam; 92 SHELL_STATUS ShellStatus; 93 CONST CHAR16 *Param1; 94 CONST CHAR16 *Param2; 95 CONST CHAR16 *Param3; 96 EFI_HANDLE Handle1; 97 EFI_HANDLE Handle2; 98 EFI_HANDLE Handle3; 99 UINT64 Intermediate1; 100 UINT64 Intermediate2; 101 UINT64 Intermediate3; 102 103 ShellStatus = SHELL_SUCCESS; 104 105 // 106 // initialize the shell lib (we must be in non-auto-init...) 107 // 108 Status = ShellInitialize(); 109 ASSERT_EFI_ERROR(Status); 110 111 Status = CommandInit(); 112 ASSERT_EFI_ERROR(Status); 113 114 // 115 // parse the command line 116 // 117 Status = ShellCommandLineParse (ParamList, &Package, &ProblemParam, TRUE); 118 if (EFI_ERROR(Status)) { 119 if (Status == EFI_VOLUME_CORRUPTED && ProblemParam != NULL) { 120 ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM), gShellDriver1HiiHandle, L"disconnect", ProblemParam); 121 FreePool(ProblemParam); 122 ShellStatus = SHELL_INVALID_PARAMETER; 123 } else { 124 ASSERT(FALSE); 125 } 126 } else { 127 if (ShellCommandLineGetFlag(Package, L"-r")){ 128 if (ShellCommandLineGetCount(Package) > 1){ 129 ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellDriver1HiiHandle, L"disconnect"); 130 ShellStatus = SHELL_INVALID_PARAMETER; 131 } else if (ShellCommandLineGetCount(Package) < 1) { 132 ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_FEW), gShellDriver1HiiHandle, L"disconnect"); 133 ShellStatus = SHELL_INVALID_PARAMETER; 134 } else { 135 Status = DisconnectAll(); 136 } 137 } else { 138 if (ShellCommandLineGetCount(Package) > 4){ 139 ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellDriver1HiiHandle, L"disconnect"); 140 ShellStatus = SHELL_INVALID_PARAMETER; 141 } else if (ShellCommandLineGetCount(Package) < 2) { 142 ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_FEW), gShellDriver1HiiHandle, L"disconnect"); 143 ShellStatus = SHELL_INVALID_PARAMETER; 144 } else { 145 // 146 // must have between 1 and 3 handles passed in ... 147 // 148 Param1 = ShellCommandLineGetRawValue(Package, 1); 149 Param2 = ShellCommandLineGetRawValue(Package, 2); 150 Param3 = ShellCommandLineGetRawValue(Package, 3); 151 ShellConvertStringToUint64(Param1, &Intermediate1, TRUE, FALSE); 152 Handle1 = Param1!=NULL?ConvertHandleIndexToHandle((UINTN)Intermediate1):NULL; 153 ShellConvertStringToUint64(Param2, &Intermediate2, TRUE, FALSE); 154 Handle2 = Param2!=NULL?ConvertHandleIndexToHandle((UINTN)Intermediate2):NULL; 155 ShellConvertStringToUint64(Param3, &Intermediate3, TRUE, FALSE); 156 Handle3 = Param3!=NULL?ConvertHandleIndexToHandle((UINTN)Intermediate3):NULL; 157 158 if (Param1 != NULL && Handle1 == NULL) { 159 ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_INV_HANDLE), gShellDriver1HiiHandle, L"disconnect", Param1); 160 ShellStatus = SHELL_INVALID_PARAMETER; 161 } else if (Param2 != NULL && Handle2 == NULL) { 162 ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_INV_HANDLE), gShellDriver1HiiHandle, L"disconnect", Param2); 163 ShellStatus = SHELL_INVALID_PARAMETER; 164 } else if (Param3 != NULL && Handle3 == NULL) { 165 ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_INV_HANDLE), gShellDriver1HiiHandle, L"disconnect", Param3); 166 ShellStatus = SHELL_INVALID_PARAMETER; 167 } else if (Handle2 != NULL && EFI_ERROR(gBS->OpenProtocol(Handle2, &gEfiDriverBindingProtocolGuid, NULL, gImageHandle, NULL, EFI_OPEN_PROTOCOL_TEST_PROTOCOL))) { 168 ASSERT(Param2 != NULL); 169 ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_HANDLE_NOT), gShellDriver1HiiHandle, L"disconnect", ShellStrToUintn(Param2), L"driver handle"); 170 ShellStatus = SHELL_INVALID_PARAMETER; 171 } else { 172 ASSERT(Param1 != NULL); 173 Status = gBS->DisconnectController(Handle1, Handle2, Handle3); 174 ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_3P_RESULT), gShellDriver1HiiHandle, L"Disconnect", (UINTN)Intermediate1, (UINTN)Intermediate2, (UINTN)Intermediate3, Status); 175 } 176 } 177 } 178 } 179 if (ShellStatus == SHELL_SUCCESS) { 180 if (Status == EFI_SECURITY_VIOLATION) { 181 ShellStatus = SHELL_SECURITY_VIOLATION; 182 } else if (Status == EFI_INVALID_PARAMETER) { 183 ShellStatus = SHELL_INVALID_PARAMETER; 184 } else if (EFI_ERROR(Status)) { 185 ShellStatus = SHELL_NOT_FOUND; 186 } 187 } 188 return (ShellStatus); 189 } 190
