/** @file\r
Miscellaneous routines for iSCSI driver.\r
\r
-Copyright (c) 2004 - 2011, Intel Corporation. All rights reserved.<BR>\r
+Copyright (c) 2004 - 2016, Intel Corporation. All rights reserved.<BR>\r
This program and the accompanying materials\r
are licensed and made available under the terms and conditions of the BSD License\r
which accompanies this distribution. The full text of the license may be found at\r
for (Index = 0; Index < 4; Index++) {\r
\r
if ((Lun[2 * Index] | Lun[2 * Index + 1]) == 0) {\r
- StrCpy (TempStr, L"0-");\r
+ CopyMem(TempStr, L"0-", sizeof (L"0-"));\r
} else {\r
TempStr[0] = (CHAR16) IScsiHexString[Lun[2 * Index] >> 4];\r
TempStr[1] = (CHAR16) IScsiHexString[Lun[2 * Index] & 0x0F];\r
TempStr += StrLen (TempStr);\r
}\r
\r
+ ASSERT (StrLen(Str) >= 1);\r
Str[StrLen (Str) - 1] = 0;\r
\r
for (Index = StrLen (Str) - 1; Index > 1; Index = Index - 2) {\r
/**\r
Clean the iSCSI driver data.\r
\r
- @param[in] Private The iSCSI driver data.\r
+ @param[in] Private The iSCSI driver data.\r
+\r
+ @retval EFI_SUCCESS The clean operation is successful.\r
+ @retval Others Other errors as indicated.\r
+\r
**/\r
-VOID\r
+EFI_STATUS\r
IScsiCleanDriverData (\r
IN ISCSI_DRIVER_DATA *Private\r
)\r
{\r
+ EFI_STATUS Status;\r
+\r
+ Status = EFI_SUCCESS;\r
+ \r
if (Private->DevicePath != NULL) {\r
- gBS->UninstallProtocolInterface (\r
- Private->ExtScsiPassThruHandle,\r
- &gEfiDevicePathProtocolGuid,\r
- Private->DevicePath\r
- );\r
+ Status = gBS->UninstallProtocolInterface (\r
+ Private->ExtScsiPassThruHandle,\r
+ &gEfiDevicePathProtocolGuid,\r
+ Private->DevicePath\r
+ );\r
+ if (EFI_ERROR (Status)) {\r
+ goto EXIT;\r
+ }\r
\r
FreePool (Private->DevicePath);\r
}\r
\r
if (Private->ExtScsiPassThruHandle != NULL) {\r
- gBS->UninstallProtocolInterface (\r
- Private->ExtScsiPassThruHandle,\r
- &gEfiExtScsiPassThruProtocolGuid,\r
- &Private->IScsiExtScsiPassThru\r
- );\r
+ Status = gBS->UninstallProtocolInterface (\r
+ Private->ExtScsiPassThruHandle,\r
+ &gEfiExtScsiPassThruProtocolGuid,\r
+ &Private->IScsiExtScsiPassThru\r
+ );\r
}\r
\r
+EXIT:\r
+\r
gBS->CloseEvent (Private->ExitBootServiceEvent);\r
\r
FreePool (Private);\r
+ return Status;\r
+}\r
+\r
+/**\r
+ Check wheather the Controller is configured to use DHCP protocol.\r
+\r
+ @param[in] Controller The handle of the controller.\r
+ \r
+ @retval TRUE The handle of the controller need the Dhcp protocol.\r
+ @retval FALSE The handle of the controller does not need the Dhcp protocol.\r
+ \r
+**/\r
+BOOLEAN\r
+IScsiDhcpIsConfigured (\r
+ IN EFI_HANDLE Controller\r
+ )\r
+{\r
+ EFI_STATUS Status;\r
+ EFI_MAC_ADDRESS MacAddress;\r
+ UINTN HwAddressSize;\r
+ UINT16 VlanId;\r
+ CHAR16 MacString[70];\r
+ ISCSI_SESSION_CONFIG_NVDATA *ConfigDataTmp;\r
+\r
+ //\r
+ // Get the mac string, it's the name of various variable\r
+ //\r
+ Status = NetLibGetMacAddress (Controller, &MacAddress, &HwAddressSize);\r
+ if (EFI_ERROR (Status)) {\r
+ return FALSE;\r
+ }\r
+ VlanId = NetLibGetVlanId (Controller);\r
+ IScsiMacAddrToStr (&MacAddress, (UINT32) HwAddressSize, VlanId, MacString);\r
+\r
+ //\r
+ // Get the normal configuration.\r
+ //\r
+ Status = GetVariable2 (\r
+ MacString,\r
+ &gEfiIScsiInitiatorNameProtocolGuid,\r
+ (VOID**)&ConfigDataTmp,\r
+ NULL\r
+ );\r
+ if (ConfigDataTmp == NULL || EFI_ERROR (Status)) {\r
+ return FALSE;\r
+ }\r
+\r
+ if (ConfigDataTmp->Enabled && ConfigDataTmp->InitiatorInfoFromDhcp) {\r
+ FreePool (ConfigDataTmp);\r
+ return TRUE;\r
+ }\r
+\r
+ FreePool (ConfigDataTmp);\r
+ return FALSE;\r
}\r
\r
/**\r
DPathNode->Ipv4.StaticIpAddress = \r
(BOOLEAN) (!Session->ConfigData.NvData.InitiatorInfoFromDhcp);\r
\r
- IP4_COPY_ADDRESS (\r
- &DPathNode->Ipv4.GatewayIpAddress,\r
- &Session->ConfigData.NvData.Gateway\r
- );\r
+ //\r
+ // Add a judgement here to support previous versions of IPv4_DEVICE_PATH.\r
+ // In previous versions of IPv4_DEVICE_PATH, GatewayIpAddress and SubnetMask\r
+ // do not exist.\r
+ // In new version of IPv4_DEVICE_PATH, structcure length is 27.\r
+ //\r
+ if (DevicePathNodeLength (&DPathNode->Ipv4) == IP4_NODE_LEN_NEW_VERSIONS) { \r
+\r
+ IP4_COPY_ADDRESS (\r
+ &DPathNode->Ipv4.GatewayIpAddress,\r
+ &Session->ConfigData.NvData.Gateway\r
+ );\r
\r
- IP4_COPY_ADDRESS (\r
- &DPathNode->Ipv4.SubnetMask,\r
- &Session->ConfigData.NvData.SubnetMask\r
- );\r
+ IP4_COPY_ADDRESS (\r
+ &DPathNode->Ipv4.SubnetMask,\r
+ &Session->ConfigData.NvData.SubnetMask\r
+ );\r
+ }\r
\r
break;\r
}\r
\r
IScsiSessionAbort (&Private->Session);\r
}\r
+\r
+/**\r
+ Tests whether a controller handle is being managed by IScsi driver.\r
+\r
+ This function tests whether the driver specified by DriverBindingHandle is\r
+ currently managing the controller specified by ControllerHandle. This test\r
+ is performed by evaluating if the the protocol specified by ProtocolGuid is\r
+ present on ControllerHandle and is was opened by DriverBindingHandle and Nic\r
+ Device handle with an attribute of EFI_OPEN_PROTOCOL_BY_DRIVER. \r
+ If ProtocolGuid is NULL, then ASSERT().\r
+\r
+ @param ControllerHandle A handle for a controller to test.\r
+ @param DriverBindingHandle Specifies the driver binding handle for the\r
+ driver.\r
+ @param ProtocolGuid Specifies the protocol that the driver specified\r
+ by DriverBindingHandle opens in its Start()\r
+ function.\r
+\r
+ @retval EFI_SUCCESS ControllerHandle is managed by the driver\r
+ specified by DriverBindingHandle.\r
+ @retval EFI_UNSUPPORTED ControllerHandle is not managed by the driver\r
+ specified by DriverBindingHandle.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+IScsiTestManagedDevice (\r
+ IN EFI_HANDLE ControllerHandle,\r
+ IN EFI_HANDLE DriverBindingHandle,\r
+ IN EFI_GUID *ProtocolGuid\r
+ )\r
+{\r
+ EFI_STATUS Status;\r
+ VOID *ManagedInterface;\r
+ EFI_HANDLE NicControllerHandle;\r
+\r
+ ASSERT (ProtocolGuid != NULL);\r
+\r
+ NicControllerHandle = NetLibGetNicHandle (ControllerHandle, ProtocolGuid);\r
+ if (NicControllerHandle == NULL) {\r
+ return EFI_UNSUPPORTED;\r
+ }\r
+\r
+ Status = gBS->OpenProtocol (\r
+ ControllerHandle,\r
+ (EFI_GUID *) ProtocolGuid,\r
+ &ManagedInterface,\r
+ DriverBindingHandle,\r
+ NicControllerHandle,\r
+ EFI_OPEN_PROTOCOL_BY_DRIVER\r
+ );\r
+ if (!EFI_ERROR (Status)) {\r
+ gBS->CloseProtocol (\r
+ ControllerHandle,\r
+ (EFI_GUID *) ProtocolGuid,\r
+ DriverBindingHandle,\r
+ NicControllerHandle\r
+ );\r
+ return EFI_UNSUPPORTED;\r
+ }\r
+\r
+ if (Status != EFI_ALREADY_STARTED) {\r
+ return EFI_UNSUPPORTED;\r
+ }\r
+\r
+ return EFI_SUCCESS;\r
+}\r
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