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/** @file
Main file for Disconnect shell Driver1 function.
(C) Copyright 2016 Hewlett Packard Enterprise Development LP<BR>
(C) Copyright 2015 Hewlett-Packard Development Company, L.P.<BR>
Copyright (c) 2010 - 2018, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#include "UefiShellDriver1CommandsLib.h"
STATIC CONST SHELL_PARAM_ITEM ParamList[] = {
{ L"-r", TypeFlag },
{ L"-nc", TypeFlag },
{ NULL, TypeMax }
};
/**
Disconnect everything.
@retval EFI_SUCCESS The operation was successful.
**/
EFI_STATUS
DisconnectAll (
VOID
)
{
//
// Stolen from UEFI 2.3 spec (May 2009 version)
// Pages 171/172
// Removed gBS local definition
//
//
// Disconnect All Handles Example
// The following example recusively disconnects all drivers from all
// controllers in a platform.
//
EFI_STATUS Status;
// EFI_BOOT_SERVICES *gBS;
UINTN HandleCount;
EFI_HANDLE *HandleBuffer;
UINTN HandleIndex;
//
// Retrieve the list of all handles from the handle database
//
Status = gBS->LocateHandleBuffer (
AllHandles,
NULL,
NULL,
&HandleCount,
&HandleBuffer
);
if (!EFI_ERROR (Status)) {
for (HandleIndex = 0; HandleIndex < HandleCount; HandleIndex++) {
Status = gBS->DisconnectController (
HandleBuffer[HandleIndex],
NULL,
NULL
);
}
gBS->FreePool (HandleBuffer);
//
// end of stealing
//
}
return (EFI_SUCCESS);
}
/** Main function of the 'Disconnect' command.
@param[in] Package List of input parameter for the command.
**/
STATIC
SHELL_STATUS
MainCmdDisconnect (
LIST_ENTRY *Package
)
{
EFI_STATUS Status;
SHELL_STATUS ShellStatus;
CONST CHAR16 *Param1;
CONST CHAR16 *Param2;
CONST CHAR16 *Param3;
EFI_HANDLE Handle1;
EFI_HANDLE Handle2;
EFI_HANDLE Handle3;
UINT64 Intermediate1;
UINT64 Intermediate2;
UINT64 Intermediate3;
Intermediate1 = 0;
Intermediate2 = 0;
Intermediate3 = 0;
ShellStatus = SHELL_SUCCESS;
Status = EFI_SUCCESS;
if (ShellCommandLineGetFlag (Package, L"-r")) {
if (ShellCommandLineGetCount (Package) > 1) {
ShellPrintHiiDefaultEx (STRING_TOKEN (STR_GEN_TOO_MANY), gShellDriver1HiiHandle, L"disconnect");
return SHELL_INVALID_PARAMETER;
} else if (ShellCommandLineGetCount (Package) < 1) {
ShellPrintHiiDefaultEx (STRING_TOKEN (STR_GEN_TOO_FEW), gShellDriver1HiiHandle, L"disconnect");
return SHELL_INVALID_PARAMETER;
} else {
Status = DisconnectAll ();
//
// Reconnect all consoles if -nc is not provided
//
if (!ShellCommandLineGetFlag (Package, L"-nc")) {
ShellConnectFromDevPaths (L"ConInDev");
ShellConnectFromDevPaths (L"ConOutDev");
ShellConnectFromDevPaths (L"ErrOutDev");
ShellConnectFromDevPaths (L"ErrOut");
ShellConnectFromDevPaths (L"ConIn");
ShellConnectFromDevPaths (L"ConOut");
}
}
// TODO: note: DisconnectAll can only return success
if (EFI_ERROR (Status)) {
return SHELL_NOT_FOUND;
}
return SHELL_SUCCESS;
} else if (ShellCommandLineGetFlag (Package, L"-nc")) {
ShellPrintHiiDefaultEx (STRING_TOKEN (STR_GEN_TOO_FEW), gShellDriver1HiiHandle, L"disconnect");
return SHELL_INVALID_PARAMETER;
}
if (ShellCommandLineGetCount (Package) > 4) {
ShellPrintHiiDefaultEx (STRING_TOKEN (STR_GEN_TOO_MANY), gShellDriver1HiiHandle, L"disconnect");
return SHELL_INVALID_PARAMETER;
} else if (ShellCommandLineGetCount (Package) < 2) {
ShellPrintHiiDefaultEx (STRING_TOKEN (STR_GEN_TOO_FEW), gShellDriver1HiiHandle, L"disconnect");
return SHELL_INVALID_PARAMETER;
}
//
// must have between 1 and 3 handles passed in ...
//
Param1 = ShellCommandLineGetRawValue (Package, 1);
Param2 = ShellCommandLineGetRawValue (Package, 2);
Param3 = ShellCommandLineGetRawValue (Package, 3);
if (Param1 && !EFI_ERROR (ShellConvertStringToUint64 (Param1, &Intermediate1, TRUE, FALSE))) {
Handle1 = ConvertHandleIndexToHandle ((UINTN)Intermediate1);
} else {
Handle1 = NULL;
}
if (Param2 && !EFI_ERROR (ShellConvertStringToUint64 (Param2, &Intermediate2, TRUE, FALSE))) {
Handle2 = ConvertHandleIndexToHandle ((UINTN)Intermediate2);
} else {
Handle2 = NULL;
}
if (Param3 && !EFI_ERROR (ShellConvertStringToUint64 (Param3, &Intermediate3, TRUE, FALSE))) {
Handle3 = ConvertHandleIndexToHandle ((UINTN)Intermediate3);
} else {
Handle3 = NULL;
}
if ((Param1 != NULL) && (Handle1 == NULL)) {
ShellPrintHiiDefaultEx (STRING_TOKEN (STR_GEN_INV_HANDLE), gShellDriver1HiiHandle, L"disconnect", Param1);
return SHELL_INVALID_PARAMETER;
} else if ((Param2 != NULL) && (Handle2 == NULL)) {
ShellPrintHiiDefaultEx (STRING_TOKEN (STR_GEN_INV_HANDLE), gShellDriver1HiiHandle, L"disconnect", Param2);
return SHELL_INVALID_PARAMETER;
} else if ((Param3 != NULL) && (Handle3 == NULL)) {
ShellPrintHiiDefaultEx (STRING_TOKEN (STR_GEN_INV_HANDLE), gShellDriver1HiiHandle, L"disconnect", Param3);
return SHELL_INVALID_PARAMETER;
} else if ((Handle2 != NULL) && EFI_ERROR (gBS->OpenProtocol (Handle2, &gEfiDriverBindingProtocolGuid, NULL, gImageHandle, NULL, EFI_OPEN_PROTOCOL_TEST_PROTOCOL))) {
ASSERT (Param2 != NULL);
ShellPrintHiiDefaultEx (STRING_TOKEN (STR_GEN_HANDLE_NOT), gShellDriver1HiiHandle, L"disconnect", ShellStrToUintn (Param2), L"driver handle");
return SHELL_INVALID_PARAMETER;
}
ASSERT (Param1 != NULL);
Status = gBS->DisconnectController (Handle1, Handle2, Handle3);
ShellPrintHiiDefaultEx (STRING_TOKEN (STR_3P_RESULT), gShellDriver1HiiHandle, L"Disconnect", (UINTN)Intermediate1, (UINTN)Intermediate2, (UINTN)Intermediate3, Status);
if (Status == EFI_SECURITY_VIOLATION) {
ShellStatus = SHELL_SECURITY_VIOLATION;
} else if (Status == EFI_INVALID_PARAMETER) {
ShellStatus = SHELL_INVALID_PARAMETER;
} else if (EFI_ERROR (Status)) {
ShellStatus = SHELL_NOT_FOUND;
}
return ShellStatus;
}
/**
Function for 'disconnect' 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
ShellCommandRunDisconnect (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
{
EFI_STATUS Status;
LIST_ENTRY *Package;
CHAR16 *ProblemParam;
SHELL_STATUS ShellStatus;
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)) {
ShellPrintHiiDefaultEx (STRING_TOKEN (STR_GEN_PROBLEM), gShellDriver1HiiHandle, L"disconnect", ProblemParam);
FreePool (ProblemParam);
ShellStatus = SHELL_INVALID_PARAMETER;
} else {
ASSERT (FALSE);
}
return ShellStatus;
}
ShellStatus = MainCmdDisconnect (Package);
ShellCommandLineFreeVarList (Package);
return (ShellStatus);
}
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