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mirror_edk2/MdeModulePkg/Universal/Network/IScsiDxe/IScsiConfig.c
eric_tian 356e635c15 [Description] 
Memory may leak because the handles in IScsiUpdateDeviceList is not freed if the "iSCSIDeviceList" already exists
[Impaction]
add Free() func to free memory properly.
[Reference Info]
The Handles in IScsiUpdateDeviceList is not freed if the "iSCSIDeviceList" already exists

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@5211 6f19259b-4bc3-4df7-8a09-765794883524
2008-05-16 07:14:25 +00:00

1001 lines
32 KiB
C
Raw Blame History

/** @file
Helper functions for configuring or getting the parameters relating to ISCSI
Copyright (c) 2004 - 2008, Intel Corporation
All rights reserved. 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.
Module Name:
IScsiConfig.c
Abstract:
Helper functions for configuring or getting the parameters relating to ISCSI
**/
#include "IScsiImpl.h"
EFI_GUID mVendorGuid = ISCSI_CONFIG_GUID;
BOOLEAN mIScsiDeviceListUpdated = FALSE;
UINTN mNumberOfIScsiDevices = 0;
ISCSI_FORM_CALLBACK_INFO *mCallbackInfo = NULL;
LIST_ENTRY mIScsiConfigFormList = {
&mIScsiConfigFormList,
&mIScsiConfigFormList
};
/**
Convert the IPv4 address into a dotted string.
@param Ip[in] The IPv4 address.
@param Str[out] The dotted IP string.
@retval None.
**/
STATIC
VOID
IScsiIpToStr (
IN EFI_IPv4_ADDRESS *Ip,
OUT CHAR16 *Str
)
{
UnicodeSPrint ( Str, 2 * IP4_STR_MAX_SIZE, L"%d.%d.%d.%d", Ip->Addr[0], Ip->Addr[1], Ip->Addr[2], Ip->Addr[3]);
}
/**
Pop up an invalid notify which displays the message in Warning.
@param Warning[in] The warning message.
@retval None.
**/
VOID
PopUpInvalidNotify (
IN CHAR16 *Warning
)
{
EFI_INPUT_KEY Key;
IfrLibCreatePopUp (1, &Key, Warning);
}
/**
Update the list of iSCSI devices the iSCSI driver is controlling.
@param None.
@retval None.
**/
EFI_STATUS
IScsiUpdateDeviceList (
VOID
)
{
EFI_STATUS Status;
ISCSI_DEVICE_LIST *DeviceList;
UINTN DataSize;
UINTN NumHandles;
EFI_HANDLE *Handles;
UINTN HandleIndex;
UINTN Index;
UINTN LastDeviceIndex;
EFI_SIMPLE_NETWORK_PROTOCOL *Snp;
EFI_SIMPLE_NETWORK_MODE *Mode;
ISCSI_MAC_INFO *CurMacInfo;
ISCSI_MAC_INFO TempMacInfo;
CHAR16 MacString[65];
UINTN DeviceListSize;
//
// Dump all the handles the Simple Network Protocol is installed on.
//
Status = gBS->LocateHandleBuffer (
ByProtocol,
&gEfiSimpleNetworkProtocolGuid,
NULL,
&NumHandles,
&Handles
);
if (EFI_ERROR (Status)) {
return Status;
}
DataSize = 0;
Status = gRT->GetVariable (
L"iSCSIDeviceList",
&mVendorGuid,
NULL,
&DataSize,
NULL
);
if (Status == EFI_BUFFER_TOO_SMALL) {
DeviceList = (ISCSI_DEVICE_LIST *) AllocatePool (DataSize);
gRT->GetVariable (
L"iSCSIDeviceList",
&mVendorGuid,
NULL,
&DataSize,
DeviceList
);
LastDeviceIndex = 0;
for (HandleIndex = 0; HandleIndex < NumHandles; HandleIndex++) {
gBS->HandleProtocol (Handles[HandleIndex], &gEfiSimpleNetworkProtocolGuid, (VOID **)&Snp);
Mode = Snp->Mode;
for (Index = LastDeviceIndex; Index < DeviceList->NumDevice; Index++) {
CurMacInfo = &DeviceList->MacInfo[Index];
if ((CurMacInfo->Len == Mode->HwAddressSize) &&
(NET_MAC_EQUAL (&CurMacInfo->Mac, &Mode->PermanentAddress, Mode->HwAddressSize))
) {
//
// The previous configured NIC is still here.
//
if (Index != LastDeviceIndex) {
//
// Swap the current MAC address entry with the one indexed by
// LastDeviceIndex.
//
CopyMem (&TempMacInfo, CurMacInfo, sizeof (ISCSI_MAC_INFO));
CopyMem (CurMacInfo, &DeviceList->MacInfo[LastDeviceIndex], sizeof (ISCSI_MAC_INFO));
CopyMem (&DeviceList->MacInfo[LastDeviceIndex], &TempMacInfo, sizeof (ISCSI_MAC_INFO));
}
LastDeviceIndex++;
}
}
if (LastDeviceIndex == DeviceList->NumDevice) {
break;
}
}
for (Index = LastDeviceIndex; Index < DeviceList->NumDevice; Index++) {
//
// delete the variables
//
CurMacInfo = &DeviceList->MacInfo[Index];
IScsiMacAddrToStr (&CurMacInfo->Mac, CurMacInfo->Len, MacString);
gRT->SetVariable (MacString, &gEfiIScsiInitiatorNameProtocolGuid, 0, 0, NULL);
gRT->SetVariable (MacString, &mIScsiCHAPAuthInfoGuid, 0, 0, NULL);
}
gBS->FreePool (DeviceList);
} else if (Status != EFI_NOT_FOUND) {
gBS->FreePool (Handles);
return Status;
}
//
// Construct the new iSCSI device list.
//
DeviceListSize = sizeof (ISCSI_DEVICE_LIST) + (NumHandles - 1) * sizeof (ISCSI_MAC_INFO);
DeviceList = (ISCSI_DEVICE_LIST *) AllocatePool (DeviceListSize);
DeviceList->NumDevice = (UINT8) NumHandles;
for (Index = 0; Index < NumHandles; Index++) {
gBS->HandleProtocol (Handles[Index], &gEfiSimpleNetworkProtocolGuid, (VOID **)&Snp);
Mode = Snp->Mode;
CurMacInfo = &DeviceList->MacInfo[Index];
CopyMem (&CurMacInfo->Mac, &Mode->PermanentAddress, Mode->HwAddressSize);
CurMacInfo->Len = (UINT8) Mode->HwAddressSize;
}
gRT->SetVariable (
L"iSCSIDeviceList",
&mVendorGuid,
ISCSI_CONFIG_VAR_ATTR,
DeviceListSize,
DeviceList
);
gBS->FreePool (DeviceList);
gBS->FreePool (Handles);
return Status;
}
/**
Get the iSCSI configuration form entry by the index of the goto opcode actived.
@param Index[in] The 0-based index of the goto opcode actived.
@retval The iSCSI configuration form entry found.
**/
STATIC
ISCSI_CONFIG_FORM_ENTRY *
IScsiGetConfigFormEntryByIndex (
IN UINT32 Index
)
{
UINT32 CurrentIndex;
LIST_ENTRY *Entry;
ISCSI_CONFIG_FORM_ENTRY *ConfigFormEntry;
CurrentIndex = 0;
ConfigFormEntry = NULL;
NET_LIST_FOR_EACH (Entry, &mIScsiConfigFormList) {
if (CurrentIndex == Index) {
ConfigFormEntry = NET_LIST_USER_STRUCT (Entry, ISCSI_CONFIG_FORM_ENTRY, Link);
break;
}
CurrentIndex++;
}
return ConfigFormEntry;
}
/**
Convert the iSCSI configuration data into the IFR data.
@param ConfigFormEntry[in] The iSCSI configuration form entry.
@param IfrNvData[in] The IFR nv data.
@retval None.
**/
STATIC
VOID
IScsiConvertDeviceConfigDataToIfrNvData (
IN ISCSI_CONFIG_FORM_ENTRY *ConfigFormEntry,
IN ISCSI_CONFIG_IFR_NVDATA *IfrNvData
)
{
ISCSI_SESSION_CONFIG_NVDATA *SessionConfigData;
ISCSI_CHAP_AUTH_CONFIG_NVDATA *AuthConfigData;
//
// Normal session configuration parameters.
//
SessionConfigData = &ConfigFormEntry->SessionConfigData;
IfrNvData->Enabled = SessionConfigData->Enabled;
IfrNvData->InitiatorInfoFromDhcp = SessionConfigData->InitiatorInfoFromDhcp;
IfrNvData->TargetInfoFromDhcp = SessionConfigData->TargetInfoFromDhcp;
IfrNvData->TargetPort = SessionConfigData->TargetPort;
IScsiIpToStr (&SessionConfigData->LocalIp, IfrNvData->LocalIp);
IScsiIpToStr (&SessionConfigData->SubnetMask, IfrNvData->SubnetMask);
IScsiIpToStr (&SessionConfigData->Gateway, IfrNvData->Gateway);
IScsiIpToStr (&SessionConfigData->TargetIp, IfrNvData->TargetIp);
IScsiAsciiStrToUnicodeStr (SessionConfigData->TargetName, IfrNvData->TargetName);
IScsiLunToUnicodeStr (SessionConfigData->BootLun, IfrNvData->BootLun);
//
// CHAP authentication parameters.
//
AuthConfigData = &ConfigFormEntry->AuthConfigData;
IfrNvData->CHAPType = AuthConfigData->CHAPType;
IScsiAsciiStrToUnicodeStr (AuthConfigData->CHAPName, IfrNvData->CHAPName);
IScsiAsciiStrToUnicodeStr (AuthConfigData->CHAPSecret, IfrNvData->CHAPSecret);
IScsiAsciiStrToUnicodeStr (AuthConfigData->ReverseCHAPName, IfrNvData->ReverseCHAPName);
IScsiAsciiStrToUnicodeStr (AuthConfigData->ReverseCHAPSecret, IfrNvData->ReverseCHAPSecret);
}
/**
This function allows a caller to extract the current configuration for one
or more named elements from the target driver.
@param This[in] Points to the EFI_HII_CONFIG_ACCESS_PROTOCOL.
@param Request[in] A null-terminated Unicode string in <ConfigRequest> format.
@param Progress[out] On return, points to a character in the Request string.
Points to the string's null terminator if request was successful.
Points to the most recent '&' before the first failing name/value
pair (or the beginning of the string if the failure is in the
first name/value pair) if the request was not successful.
@param Results[out] A null-terminated Unicode string in <ConfigAltResp> format which
has all values filled in for the names in the Request string.
String to be allocated by the called function.
@retval EFI_SUCCESS The Results is filled with the requested values.
@retval EFI_OUT_OF_RESOURCES Not enough memory to store the results.
@retval EFI_INVALID_PARAMETER Request is NULL, illegal syntax, or unknown name.
@retval EFI_NOT_FOUND Routing data doesn't match any storage in this driver.
**/
EFI_STATUS
EFIAPI
IScsiFormExtractConfig (
IN CONST EFI_HII_CONFIG_ACCESS_PROTOCOL *This,
IN CONST EFI_STRING Request,
OUT EFI_STRING *Progress,
OUT EFI_STRING *Results
)
{
EFI_STATUS Status;
CHAR8 InitiatorName[ISCSI_NAME_IFR_MAX_SIZE];
UINTN BufferSize;
ISCSI_CONFIG_IFR_NVDATA *IfrNvData;
ISCSI_FORM_CALLBACK_INFO *Private;
EFI_HII_CONFIG_ROUTING_PROTOCOL *HiiConfigRouting;
if (!mIScsiDeviceListUpdated) {
//
// Update the device list.
//
IScsiUpdateDeviceList ();
mIScsiDeviceListUpdated = TRUE;
}
Private = ISCSI_FORM_CALLBACK_INFO_FROM_FORM_CALLBACK (This);
IfrNvData = AllocateZeroPool (sizeof (ISCSI_CONFIG_IFR_NVDATA));
ASSERT (IfrNvData != NULL);
if (Private->Current != NULL) {
IScsiConvertDeviceConfigDataToIfrNvData (Private->Current, IfrNvData);
}
BufferSize = ISCSI_NAME_IFR_MAX_SIZE;
Status = gIScsiInitiatorName.Get (&gIScsiInitiatorName, &BufferSize, InitiatorName);
if (EFI_ERROR (Status)) {
IfrNvData->InitiatorName[0] = L'\0';
} else {
IScsiAsciiStrToUnicodeStr (InitiatorName, IfrNvData->InitiatorName);
}
//
// Convert buffer data to <ConfigResp> by helper function BlockToConfig()
//
HiiConfigRouting = Private->ConfigRouting;
BufferSize = sizeof (ISCSI_CONFIG_IFR_NVDATA);
Status = HiiConfigRouting->BlockToConfig (
HiiConfigRouting,
Request,
(UINT8 *) IfrNvData,
BufferSize,
Results,
Progress
);
gBS->FreePool (IfrNvData);
return Status;
}
/**
This function processes the results of changes in configuration.
@param This[in] Points to the EFI_HII_CONFIG_ACCESS_PROTOCOL.
@param Configuration[in] A null-terminated Unicode string in <ConfigResp> format.
@param Progress[out] A pointer to a string filled in with the offset of the most
recent '&' before the first failing name/value pair (or the
beginning of the string if the failure is in the first
name/value pair) or the terminating NULL if all was successful.
@retval EFI_SUCCESS The Results is processed successfully.
@retval EFI_INVALID_PARAMETER Configuration is NULL.
@retval EFI_NOT_FOUND Routing data doesn't match any storage in this driver.
**/
EFI_STATUS
EFIAPI
IScsiFormRouteConfig (
IN CONST EFI_HII_CONFIG_ACCESS_PROTOCOL *This,
IN CONST EFI_STRING Configuration,
OUT EFI_STRING *Progress
)
{
return EFI_SUCCESS;
}
/**
This function processes the results of changes in configuration.
@param This[in] Points to the EFI_HII_CONFIG_ACCESS_PROTOCOL.
@param Action[in] Specifies the type of action taken by the browser.
@param QuestionId[in] A unique value which is sent to the original exporting driver
so that it can identify the type of data to expect.
@param Type[in] The type of value for the question.
@param Value[in] A pointer to the data being sent to the original exporting driver.
@param ActionRequest[out] On return, points to the action requested by the callback function.
@retval EFI_SUCCESS The callback successfully handled the action.
@retval EFI_OUT_OF_RESOURCES Not enough storage is available to hold the variable and its data.
@retval EFI_DEVICE_ERROR The variable could not be saved.
@retval EFI_UNSUPPORTED The specified Action is not supported by the callback.
**/
EFI_STATUS
EFIAPI
IScsiFormCallback (
IN CONST EFI_HII_CONFIG_ACCESS_PROTOCOL *This,
IN EFI_BROWSER_ACTION Action,
IN EFI_QUESTION_ID KeyValue,
IN UINT8 Type,
IN EFI_IFR_TYPE_VALUE *Value,
OUT EFI_BROWSER_ACTION_REQUEST *ActionRequest
)
{
ISCSI_FORM_CALLBACK_INFO *Private;
UINTN BufferSize;
CHAR8 IScsiName[ISCSI_NAME_IFR_MAX_SIZE];
CHAR16 PortString[128];
CHAR8 Ip4String[IP4_STR_MAX_SIZE];
CHAR8 LunString[ISCSI_LUN_STR_MAX_LEN];
UINT64 Lun;
STRING_REF DeviceFormTitleToken;
ISCSI_CONFIG_IFR_NVDATA *IfrNvData;
ISCSI_CONFIG_FORM_ENTRY *ConfigFormEntry;
EFI_IP_ADDRESS HostIp;
EFI_IP_ADDRESS SubnetMask;
EFI_IP_ADDRESS Gateway;
EFI_STATUS Status;
Private = ISCSI_FORM_CALLBACK_INFO_FROM_FORM_CALLBACK (This);
//
// Retrive uncommitted data from Browser
//
BufferSize = sizeof (ISCSI_CONFIG_IFR_NVDATA);
IfrNvData = AllocateZeroPool (BufferSize);
ASSERT (IfrNvData != NULL);
Status = GetBrowserData (NULL, NULL, &BufferSize, (UINT8 *) IfrNvData);
if (EFI_ERROR (Status)) {
gBS->FreePool (IfrNvData);
return Status;
}
switch (KeyValue) {
case KEY_INITIATOR_NAME:
IScsiUnicodeStrToAsciiStr (IfrNvData->InitiatorName, IScsiName);
BufferSize = AsciiStrLen (IScsiName) + 1;
Status = gIScsiInitiatorName.Set (&gIScsiInitiatorName, &BufferSize, IScsiName);
if (EFI_ERROR (Status)) {
PopUpInvalidNotify (L"Invalid iSCSI Name!");
}
break;
case KEY_LOCAL_IP:
IScsiUnicodeStrToAsciiStr (IfrNvData->LocalIp, Ip4String);
Status = IScsiAsciiStrToIp (Ip4String, &HostIp.v4);
if (EFI_ERROR (Status) || !Ip4IsUnicast (NTOHL (HostIp.Addr[0]), 0)) {
PopUpInvalidNotify (L"Invalid IP address!");
Status = EFI_INVALID_PARAMETER;
} else {
CopyMem (&Private->Current->SessionConfigData.LocalIp, &HostIp.v4, sizeof (HostIp.v4));
}
break;
case KEY_SUBNET_MASK:
IScsiUnicodeStrToAsciiStr (IfrNvData->SubnetMask, Ip4String);
Status = IScsiAsciiStrToIp (Ip4String, &SubnetMask.v4);
if (EFI_ERROR (Status) || ((SubnetMask.Addr[0] != 0) && (IScsiGetSubnetMaskPrefixLength (&SubnetMask.v4) == 0))) {
PopUpInvalidNotify (L"Invalid Subnet Mask!");
Status = EFI_INVALID_PARAMETER;
} else {
CopyMem (&Private->Current->SessionConfigData.SubnetMask, &SubnetMask.v4, sizeof (SubnetMask.v4));
}
break;
case KEY_GATE_WAY:
IScsiUnicodeStrToAsciiStr (IfrNvData->Gateway, Ip4String);
Status = IScsiAsciiStrToIp (Ip4String, &Gateway.v4);
if (EFI_ERROR (Status) || ((Gateway.Addr[0] != 0) && !Ip4IsUnicast (NTOHL (Gateway.Addr[0]), 0))) {
PopUpInvalidNotify (L"Invalid Gateway!");
Status = EFI_INVALID_PARAMETER;
} else {
CopyMem (&Private->Current->SessionConfigData.Gateway, &Gateway.v4, sizeof (Gateway.v4));
}
break;
case KEY_TARGET_IP:
IScsiUnicodeStrToAsciiStr (IfrNvData->TargetIp, Ip4String);
Status = IScsiAsciiStrToIp (Ip4String, &HostIp.v4);
if (EFI_ERROR (Status) || !Ip4IsUnicast (NTOHL (HostIp.Addr[0]), 0)) {
PopUpInvalidNotify (L"Invalid IP address!");
Status = EFI_INVALID_PARAMETER;
} else {
CopyMem (&Private->Current->SessionConfigData.TargetIp, &HostIp.v4, sizeof (HostIp.v4));
}
break;
case KEY_TARGET_NAME:
IScsiUnicodeStrToAsciiStr (IfrNvData->TargetName, IScsiName);
Status = IScsiNormalizeName (IScsiName, AsciiStrLen (IScsiName));
if (EFI_ERROR (Status)) {
PopUpInvalidNotify (L"Invalid iSCSI Name!");
} else {
AsciiStrCpy (Private->Current->SessionConfigData.TargetName, IScsiName);
}
break;
case KEY_DHCP_ENABLE:
if (IfrNvData->InitiatorInfoFromDhcp == 0) {
IfrNvData->TargetInfoFromDhcp = 0;
}
break;
case KEY_BOOT_LUN:
IScsiUnicodeStrToAsciiStr (IfrNvData->BootLun, LunString);
Status = IScsiAsciiStrToLun (LunString, (UINT8 *) &Lun);
if (EFI_ERROR (Status)) {
PopUpInvalidNotify (L"Invalid LUN string!");
} else {
CopyMem (Private->Current->SessionConfigData.BootLun, &Lun, sizeof (Lun));
}
break;
case KEY_CHAP_NAME:
IScsiUnicodeStrToAsciiStr (IfrNvData->CHAPName, Private->Current->AuthConfigData.CHAPName);
break;
case KEY_CHAP_SECRET:
IScsiUnicodeStrToAsciiStr (IfrNvData->CHAPSecret, Private->Current->AuthConfigData.CHAPSecret);
break;
case KEY_REVERSE_CHAP_NAME:
IScsiUnicodeStrToAsciiStr (IfrNvData->ReverseCHAPName, Private->Current->AuthConfigData.ReverseCHAPName);
break;
case KEY_REVERSE_CHAP_SECRET:
IScsiUnicodeStrToAsciiStr (IfrNvData->ReverseCHAPSecret, Private->Current->AuthConfigData.ReverseCHAPSecret);
break;
case KEY_SAVE_CHANGES:
//
// First, update those fields which don't have INTERACTIVE set.
//
Private->Current->SessionConfigData.Enabled = IfrNvData->Enabled;
Private->Current->SessionConfigData.InitiatorInfoFromDhcp = IfrNvData->InitiatorInfoFromDhcp;
Private->Current->SessionConfigData.TargetPort = IfrNvData->TargetPort;
if (Private->Current->SessionConfigData.TargetPort == 0) {
Private->Current->SessionConfigData.TargetPort = ISCSI_WELL_KNOWN_PORT;
}
Private->Current->SessionConfigData.TargetInfoFromDhcp = IfrNvData->TargetInfoFromDhcp;
Private->Current->AuthConfigData.CHAPType = IfrNvData->CHAPType;
//
// Only do full parameter validation if iSCSI is enabled on this device.
//
if (Private->Current->SessionConfigData.Enabled) {
//
// Validate the address configuration of the Initiator if DHCP isn't
// deployed.
//
if (!Private->Current->SessionConfigData.InitiatorInfoFromDhcp) {
CopyMem (&HostIp.v4, &Private->Current->SessionConfigData.LocalIp, sizeof (HostIp.v4));
CopyMem (&SubnetMask.v4, &Private->Current->SessionConfigData.SubnetMask, sizeof (SubnetMask.v4));
CopyMem (&Gateway.v4, &Private->Current->SessionConfigData.Gateway, sizeof (Gateway.v4));
if ((Gateway.Addr[0] != 0)) {
if (SubnetMask.Addr[0] == 0) {
PopUpInvalidNotify (L"Gateway address is set but subnet mask is zero.");
Status = EFI_INVALID_PARAMETER;
break;
} else if (!IP4_NET_EQUAL (HostIp.Addr[0], Gateway.Addr[0], SubnetMask.Addr[0])) {
PopUpInvalidNotify (L"Local IP and Gateway are not in the same subnet.");
Status = EFI_INVALID_PARAMETER;
break;
}
}
}
//
// Validate target configuration if DHCP isn't deployed.
//
if (!Private->Current->SessionConfigData.TargetInfoFromDhcp) {
CopyMem (&HostIp.v4, &Private->Current->SessionConfigData.TargetIp, sizeof (HostIp.v4));
if (!Ip4IsUnicast (NTOHL (HostIp.Addr[0]), 0)) {
PopUpInvalidNotify (L"Target IP is invalid!");
Status = EFI_INVALID_PARAMETER;
break;
}
}
if (IfrNvData->CHAPType != ISCSI_CHAP_NONE) {
if ((IfrNvData->CHAPName[0] == '\0') || (IfrNvData->CHAPSecret[0] == '\0')) {
PopUpInvalidNotify (L"CHAP Name or CHAP Secret is invalid!");
Status = EFI_INVALID_PARAMETER;
break;
}
if ((IfrNvData->CHAPType == ISCSI_CHAP_MUTUAL) &&
((IfrNvData->ReverseCHAPName[0] == '\0') || (IfrNvData->ReverseCHAPSecret[0] == '\0'))
) {
PopUpInvalidNotify (L"Reverse CHAP Name or Reverse CHAP Secret is invalid!");
Status = EFI_INVALID_PARAMETER;
break;
}
}
}
BufferSize = sizeof (Private->Current->SessionConfigData);
gRT->SetVariable (
Private->Current->MacString,
&gEfiIScsiInitiatorNameProtocolGuid,
ISCSI_CONFIG_VAR_ATTR,
BufferSize,
&Private->Current->SessionConfigData
);
BufferSize = sizeof (Private->Current->AuthConfigData);
gRT->SetVariable (
Private->Current->MacString,
&mIScsiCHAPAuthInfoGuid,
ISCSI_CONFIG_VAR_ATTR,
BufferSize,
&Private->Current->AuthConfigData
);
*ActionRequest = EFI_BROWSER_ACTION_REQUEST_SUBMIT;
break;
default:
if ((KeyValue >= KEY_DEVICE_ENTRY_BASE) && (KeyValue < (mNumberOfIScsiDevices + KEY_DEVICE_ENTRY_BASE))) {
//
// In case goto the device configuration form, update the device form title.
//
ConfigFormEntry = IScsiGetConfigFormEntryByIndex ((UINT32) (KeyValue - KEY_DEVICE_ENTRY_BASE));
ASSERT (ConfigFormEntry != NULL);
UnicodeSPrint (PortString, (UINTN) 128, L"Port %s", ConfigFormEntry->MacString);
DeviceFormTitleToken = (STRING_REF) STR_ISCSI_DEVICE_FORM_TITLE;
HiiLibSetString (Private->RegisteredHandle, DeviceFormTitleToken, PortString);
IScsiConvertDeviceConfigDataToIfrNvData (ConfigFormEntry, IfrNvData);
Private->Current = ConfigFormEntry;
}
break;
}
if (!EFI_ERROR (Status)) {
//
// Pass changed uncommitted data back to Form Browser
//
BufferSize = sizeof (ISCSI_CONFIG_IFR_NVDATA);
Status = SetBrowserData (NULL, NULL, BufferSize, (UINT8 *) IfrNvData, NULL);
}
gBS->FreePool (IfrNvData);
return Status;
}
/**
Updates the iSCSI configuration form to add/delete an entry for the iSCSI
device specified by the Controller.
@param DriverBindingHandle[in] The driverbinding handle.
@param Controller[in] The controller handle of the iSCSI device.
@param AddForm[in] Whether to add or delete a form entry.
@retval EFI_SUCCESS The iSCSI configuration form is updated.
@retval EFI_OUT_OF_RESOURCES Failed to allocate memory.
**/
EFI_STATUS
IScsiConfigUpdateForm (
IN EFI_HANDLE DriverBindingHandle,
IN EFI_HANDLE Controller,
IN BOOLEAN AddForm
)
{
LIST_ENTRY *Entry;
ISCSI_CONFIG_FORM_ENTRY *ConfigFormEntry;
BOOLEAN EntryExisted;
EFI_STATUS Status;
EFI_HII_UPDATE_DATA UpdateData;
EFI_SIMPLE_NETWORK_PROTOCOL *Snp;
CHAR16 PortString[128];
UINT16 FormIndex;
UINTN BufferSize;
ConfigFormEntry = NULL;
EntryExisted = FALSE;
NET_LIST_FOR_EACH (Entry, &mIScsiConfigFormList) {
ConfigFormEntry = NET_LIST_USER_STRUCT (Entry, ISCSI_CONFIG_FORM_ENTRY, Link);
if (ConfigFormEntry->Controller == Controller) {
EntryExisted = TRUE;
break;
}
}
if (AddForm) {
if (EntryExisted) {
return EFI_SUCCESS;
} else {
//
// Add a new form.
//
ConfigFormEntry = (ISCSI_CONFIG_FORM_ENTRY *) AllocateZeroPool (sizeof (ISCSI_CONFIG_FORM_ENTRY));
if (ConfigFormEntry == NULL) {
return EFI_OUT_OF_RESOURCES;
}
InitializeListHead (&ConfigFormEntry->Link);
ConfigFormEntry->Controller = Controller;
//
// Get the simple network protocol and convert the MAC address into
// the formatted string.
//
Status = gBS->HandleProtocol (
Controller,
&gEfiSimpleNetworkProtocolGuid,
(VOID **)&Snp
);
ASSERT (Status == EFI_SUCCESS);
IScsiMacAddrToStr (&Snp->Mode->PermanentAddress, Snp->Mode->HwAddressSize, ConfigFormEntry->MacString);
//
// Get the normal session configuration data.
//
BufferSize = sizeof (ConfigFormEntry->SessionConfigData);
Status = gRT->GetVariable (
ConfigFormEntry->MacString,
&gEfiIScsiInitiatorNameProtocolGuid,
NULL,
&BufferSize,
&ConfigFormEntry->SessionConfigData
);
if (EFI_ERROR (Status)) {
ZeroMem (&ConfigFormEntry->SessionConfigData, sizeof (ConfigFormEntry->SessionConfigData));
}
//
// Get the CHAP authentication configuration data.
//
BufferSize = sizeof (ConfigFormEntry->AuthConfigData);
Status = gRT->GetVariable (
ConfigFormEntry->MacString,
&mIScsiCHAPAuthInfoGuid,
NULL,
&BufferSize,
&ConfigFormEntry->AuthConfigData
);
if (EFI_ERROR (Status)) {
ZeroMem (&ConfigFormEntry->AuthConfigData, sizeof (ConfigFormEntry->AuthConfigData));
}
//
// Compose the Port string and create a new STRING_REF.
//
UnicodeSPrint (PortString, 128, L"Port %s", ConfigFormEntry->MacString);
HiiLibNewString (mCallbackInfo->RegisteredHandle, &ConfigFormEntry->PortTitleToken, PortString);
//
// Compose the help string of this port and create a new STRING_REF.
//
UnicodeSPrint (PortString, 128, L"Set the iSCSI parameters on port %s", ConfigFormEntry->MacString);
HiiLibNewString (mCallbackInfo->RegisteredHandle, &ConfigFormEntry->PortTitleHelpToken, PortString);
InsertTailList (&mIScsiConfigFormList, &ConfigFormEntry->Link);
mNumberOfIScsiDevices++;
}
} else {
ASSERT (EntryExisted);
mNumberOfIScsiDevices--;
RemoveEntryList (&ConfigFormEntry->Link);
gBS->FreePool (ConfigFormEntry);
}
//
// Allocate space for creation of Buffer
//
UpdateData.BufferSize = 0x1000;
UpdateData.Data = AllocateZeroPool (0x1000);
UpdateData.Offset = 0;
FormIndex = 0;
NET_LIST_FOR_EACH (Entry, &mIScsiConfigFormList) {
ConfigFormEntry = NET_LIST_USER_STRUCT (Entry, ISCSI_CONFIG_FORM_ENTRY, Link);
CreateGotoOpCode (
FORMID_DEVICE_FORM,
ConfigFormEntry->PortTitleToken,
ConfigFormEntry->PortTitleHelpToken,
EFI_IFR_FLAG_CALLBACK,
(UINT16)(KEY_DEVICE_ENTRY_BASE + FormIndex),
&UpdateData
);
FormIndex++;
}
IfrLibUpdateForm (
mCallbackInfo->RegisteredHandle,
&mVendorGuid,
FORMID_MAIN_FORM,
DEVICE_ENTRY_LABEL,
FALSE,
&UpdateData
);
gBS->FreePool (UpdateData.Data);
return EFI_SUCCESS;
}
/**
Initialize the iSCSI configuration form.
@param DriverBindingHandle[in] The iSCSI driverbinding handle.
@retval EFI_SUCCESS The iSCSI configuration form is initialized.
@retval EFI_OUT_OF_RESOURCES Failed to allocate memory.
**/
EFI_STATUS
IScsiConfigFormInit (
IN EFI_HANDLE DriverBindingHandle
)
{
EFI_STATUS Status;
EFI_HII_DATABASE_PROTOCOL *HiiDatabase;
EFI_HII_PACKAGE_LIST_HEADER *PackageList;
ISCSI_FORM_CALLBACK_INFO *CallbackInfo;
Status = gBS->LocateProtocol (&gEfiHiiDatabaseProtocolGuid, NULL, (VOID **)&HiiDatabase);
if (EFI_ERROR (Status)) {
return Status;
}
CallbackInfo = (ISCSI_FORM_CALLBACK_INFO *) AllocatePool (sizeof (ISCSI_FORM_CALLBACK_INFO));
if (CallbackInfo == NULL) {
return EFI_OUT_OF_RESOURCES;
}
CallbackInfo->Signature = ISCSI_FORM_CALLBACK_INFO_SIGNATURE;
CallbackInfo->HiiDatabase = HiiDatabase;
CallbackInfo->Current = NULL;
CallbackInfo->ConfigAccess.ExtractConfig = IScsiFormExtractConfig;
CallbackInfo->ConfigAccess.RouteConfig = IScsiFormRouteConfig;
CallbackInfo->ConfigAccess.Callback = IScsiFormCallback;
Status = gBS->LocateProtocol (&gEfiHiiConfigRoutingProtocolGuid, NULL, (VOID **)&CallbackInfo->ConfigRouting);
if (EFI_ERROR (Status)) {
FreePool(CallbackInfo);
return Status;
}
//
// Create driver handle used by HII database
//
Status = HiiLibCreateHiiDriverHandle (&CallbackInfo->DriverHandle);
if (EFI_ERROR (Status)) {
FreePool(CallbackInfo);
return Status;
}
//
// Install Config Access protocol to driver handle
//
Status = gBS->InstallProtocolInterface (
&CallbackInfo->DriverHandle,
&gEfiHiiConfigAccessProtocolGuid,
EFI_NATIVE_INTERFACE,
&CallbackInfo->ConfigAccess
);
ASSERT_EFI_ERROR (Status);
//
// Publish our HII data
//
PackageList = HiiLibPreparePackageList (2, &mVendorGuid, IScsiDxeStrings, IScsiConfigDxeBin);
ASSERT (PackageList != NULL);
Status = HiiDatabase->NewPackageList (
HiiDatabase,
PackageList,
CallbackInfo->DriverHandle,
&CallbackInfo->RegisteredHandle
);
FreePool (PackageList);
if (EFI_ERROR (Status)) {
FreePool(CallbackInfo);
return Status;
}
mCallbackInfo = CallbackInfo;
return Status;
}
/**
Unload the iSCSI configuration form, this includes: delete all the iSCSI
device configuration entries, uninstall the form callback protocol and
free the resources used.
@param DriverBindingHandle[in] The iSCSI driverbinding handle.
@retval EFI_SUCCESS The iSCSI configuration form is unloaded.
@retval EFI_OUT_OF_RESOURCES Failed to allocate memory.
**/
EFI_STATUS
IScsiConfigFormUnload (
IN EFI_HANDLE DriverBindingHandle
)
{
ISCSI_CONFIG_FORM_ENTRY *ConfigFormEntry;
while (!IsListEmpty (&mIScsiConfigFormList)) {
//
// Uninstall the device forms as the iSCSI driver instance may fail to
// control the controller but still install the device configuration form.
// In such case, upon driver unloading, the driver instance's driverbinding.
// stop () won't be called, so we have to take this chance here to uninstall
// the device form.
//
ConfigFormEntry = NET_LIST_USER_STRUCT (mIScsiConfigFormList.ForwardLink, ISCSI_CONFIG_FORM_ENTRY, Link);
IScsiConfigUpdateForm (DriverBindingHandle, ConfigFormEntry->Controller, FALSE);
}
//
// Remove HII package list
//
mCallbackInfo->HiiDatabase->RemovePackageList (
mCallbackInfo->HiiDatabase,
mCallbackInfo->RegisteredHandle
);
//
// Uninstall EFI_HII_CONFIG_ACCESS_PROTOCOL
//
gBS->UninstallProtocolInterface (
mCallbackInfo->DriverHandle,
&gEfiHiiConfigAccessProtocolGuid,
&mCallbackInfo->ConfigAccess
);
HiiLibDestroyHiiDriverHandle (mCallbackInfo->DriverHandle);
gBS->FreePool (mCallbackInfo);
return EFI_SUCCESS;
}
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