| /** @file | |
| Implementation for iSCSI Boot Firmware Table publication. | |
| Copyright (c) 2004 - 2013, Intel Corporation. All rights reserved.<BR> | |
| 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. | |
| **/ | |
| #include "IScsiImpl.h" | |
| BOOLEAN mIbftInstalled = FALSE; | |
| UINTN mTableKey; | |
| /** | |
| Initialize the header of the iSCSI Boot Firmware Table. | |
| @param[out] Header The header of the iSCSI Boot Firmware Table. | |
| @param[in] OemId The OEM ID. | |
| @param[in] OemTableId The OEM table ID for the iBFT. | |
| **/ | |
| VOID | |
| IScsiInitIbfTableHeader ( | |
| OUT EFI_ACPI_ISCSI_BOOT_FIRMWARE_TABLE_HEADER *Header, | |
| IN UINT8 *OemId, | |
| IN UINT64 *OemTableId | |
| ) | |
| { | |
| Header->Signature = EFI_ACPI_3_0_ISCSI_BOOT_FIRMWARE_TABLE_SIGNATURE; | |
| Header->Length = IBFT_HEAP_OFFSET; | |
| Header->Revision = EFI_ACPI_ISCSI_BOOT_FIRMWARE_TABLE_REVISION; | |
| Header->Checksum = 0; | |
| CopyMem (Header->OemId, OemId, sizeof (Header->OemId)); | |
| CopyMem (&Header->OemTableId, OemTableId, sizeof (UINT64)); | |
| } | |
| /** | |
| Initialize the control section of the iSCSI Boot Firmware Table. | |
| @param[in] Table The ACPI table. | |
| **/ | |
| VOID | |
| IScsiInitControlSection ( | |
| IN EFI_ACPI_ISCSI_BOOT_FIRMWARE_TABLE_HEADER *Table | |
| ) | |
| { | |
| EFI_ACPI_ISCSI_BOOT_FIRMWARE_TABLE_CONTROL_STRUCTURE *Control; | |
| UINTN NumOffset; | |
| Control = (EFI_ACPI_ISCSI_BOOT_FIRMWARE_TABLE_CONTROL_STRUCTURE *) (Table + 1); | |
| Control->Header.StructureId = EFI_ACPI_ISCSI_BOOT_FIRMWARE_TABLE_CONTROL_STRUCTURE_ID; | |
| Control->Header.Version = EFI_ACPI_ISCSI_BOOT_FIRMWARE_TABLE_CONTROL_STRUCTURE_VERSION; | |
| Control->Header.Length = (UINT16) sizeof (EFI_ACPI_ISCSI_BOOT_FIRMWARE_TABLE_CONTROL_STRUCTURE); | |
| // | |
| // If in multipathing mode, enable the Boot Failover Flag. | |
| // If in single path mode, disable it. Mix-model is not allowed. | |
| // | |
| // BUGBUG: if Boot Failover Flag is set to 1, the OS installer cannot | |
| // find the iSCSI mapped disk. So still keep not set for single path mode. | |
| // | |
| if (mPrivate->EnableMpio) { | |
| Control->Header.Flags = 0; | |
| NumOffset = 2 * (mPrivate->MpioCount - mPrivate->Krb5MpioCount); | |
| } else { | |
| NumOffset = 2 * mPrivate->ValidSinglePathCount; | |
| } | |
| // | |
| // Each attempt occupies two offsets: one for the NIC section; | |
| // the other for the Target section. | |
| // | |
| if (NumOffset > 4) { | |
| // | |
| // Need expand the control section if more than 2 NIC/Target attempts | |
| // exist. | |
| // | |
| Control->Header.Length = (UINT16) (Control->Header.Length + (NumOffset - 4) * sizeof (UINT16)); | |
| } | |
| } | |
| /** | |
| Add one item into the heap. | |
| @param[in, out] Heap On input, the current address of the heap. On output, the address of | |
| the heap after the item is added. | |
| @param[in] Data The data to add into the heap. | |
| @param[in] Len Length of the Data in byte. | |
| **/ | |
| VOID | |
| IScsiAddHeapItem ( | |
| IN OUT UINT8 **Heap, | |
| IN VOID *Data, | |
| IN UINTN Len | |
| ) | |
| { | |
| // | |
| // Add one byte for the NULL delimiter. | |
| // | |
| *Heap -= Len + 1; | |
| CopyMem (*Heap, Data, Len); | |
| *(*Heap + Len) = 0; | |
| } | |
| /** | |
| Fill the Initiator section of the iSCSI Boot Firmware Table. | |
| @param[in] Table The ACPI table. | |
| @param[in, out] Heap The heap. | |
| **/ | |
| VOID | |
| IScsiFillInitiatorSection ( | |
| IN EFI_ACPI_ISCSI_BOOT_FIRMWARE_TABLE_HEADER *Table, | |
| IN OUT UINT8 **Heap | |
| ) | |
| { | |
| EFI_ACPI_ISCSI_BOOT_FIRMWARE_TABLE_CONTROL_STRUCTURE *Control; | |
| EFI_ACPI_ISCSI_BOOT_FIRMWARE_TABLE_INITIATOR_STRUCTURE *Initiator; | |
| Control = (EFI_ACPI_ISCSI_BOOT_FIRMWARE_TABLE_CONTROL_STRUCTURE *) (Table + 1); | |
| // | |
| // Initiator section immediately follows the control section. | |
| // | |
| Initiator = (EFI_ACPI_ISCSI_BOOT_FIRMWARE_TABLE_INITIATOR_STRUCTURE *) | |
| ((UINT8 *) Control + IBFT_ROUNDUP (Control->Header.Length)); | |
| Control->InitiatorOffset = (UINT16) ((UINTN) Initiator - (UINTN) Table); | |
| Initiator->Header.StructureId = EFI_ACPI_ISCSI_BOOT_FIRMWARE_TABLE_INITIATOR_STRUCTURE_ID; | |
| Initiator->Header.Version = EFI_ACPI_ISCSI_BOOT_FIRMWARE_TABLE_INITIATOR_STRUCTURE_VERSION; | |
| Initiator->Header.Length = (UINT16) sizeof (EFI_ACPI_ISCSI_BOOT_FIRMWARE_TABLE_INITIATOR_STRUCTURE); | |
| Initiator->Header.Flags = EFI_ACPI_ISCSI_BOOT_FIRMWARE_TABLE_INITIATOR_STRUCTURE_FLAG_BLOCK_VALID | | |
| EFI_ACPI_ISCSI_BOOT_FIRMWARE_TABLE_INITIATOR_STRUCTURE_FLAG_BOOT_SELECTED; | |
| // | |
| // Fill the iSCSI Initiator Name into the heap. | |
| // | |
| IScsiAddHeapItem (Heap, mPrivate->InitiatorName, mPrivate->InitiatorNameLength - 1); | |
| Initiator->IScsiNameLength = (UINT16) (mPrivate->InitiatorNameLength - 1); | |
| Initiator->IScsiNameOffset = (UINT16) ((UINTN) *Heap - (UINTN) Table); | |
| } | |
| /** | |
| Map the v4 IP address into v6 IP address. | |
| @param[in] V4 The v4 IP address. | |
| @param[out] V6 The v6 IP address. | |
| **/ | |
| VOID | |
| IScsiMapV4ToV6Addr ( | |
| IN EFI_IPv4_ADDRESS *V4, | |
| OUT EFI_IPv6_ADDRESS *V6 | |
| ) | |
| { | |
| UINTN Index; | |
| ZeroMem (V6, sizeof (EFI_IPv6_ADDRESS)); | |
| V6->Addr[10] = 0xff; | |
| V6->Addr[11] = 0xff; | |
| for (Index = 0; Index < 4; Index++) { | |
| V6->Addr[12 + Index] = V4->Addr[Index]; | |
| } | |
| } | |
| /** | |
| Fill the NIC and target sections in iSCSI Boot Firmware Table. | |
| @param[in] Table The buffer of the ACPI table. | |
| @param[in, out] Heap The heap buffer used to store the variable length | |
| parameters such as iSCSI name. | |
| **/ | |
| VOID | |
| IScsiFillNICAndTargetSections ( | |
| IN EFI_ACPI_ISCSI_BOOT_FIRMWARE_TABLE_HEADER *Table, | |
| IN OUT UINT8 **Heap | |
| ) | |
| { | |
| EFI_ACPI_ISCSI_BOOT_FIRMWARE_TABLE_CONTROL_STRUCTURE *Control; | |
| EFI_ACPI_ISCSI_BOOT_FIRMWARE_TABLE_NIC_STRUCTURE *Nic; | |
| EFI_ACPI_ISCSI_BOOT_FIRMWARE_TABLE_TARGET_STRUCTURE *Target; | |
| ISCSI_SESSION_CONFIG_NVDATA *NvData; | |
| ISCSI_CHAP_AUTH_CONFIG_NVDATA *AuthConfig; | |
| UINT16 *SectionOffset; | |
| UINTN Index; | |
| UINT16 Length; | |
| LIST_ENTRY *Entry; | |
| ISCSI_ATTEMPT_CONFIG_NVDATA *Attempt; | |
| ISCSI_NIC_INFO *NicInfo; | |
| BOOLEAN Flag; | |
| // | |
| // Get the offset of the first Nic and Target section. | |
| // | |
| Control = (EFI_ACPI_ISCSI_BOOT_FIRMWARE_TABLE_CONTROL_STRUCTURE *) (Table + 1); | |
| Nic = (EFI_ACPI_ISCSI_BOOT_FIRMWARE_TABLE_NIC_STRUCTURE *) ((UINTN) Table + | |
| Control->InitiatorOffset + IBFT_ROUNDUP (sizeof (EFI_ACPI_ISCSI_BOOT_FIRMWARE_TABLE_INITIATOR_STRUCTURE))); | |
| Target = (EFI_ACPI_ISCSI_BOOT_FIRMWARE_TABLE_TARGET_STRUCTURE *) ((UINTN) Nic + | |
| IBFT_ROUNDUP (sizeof (EFI_ACPI_ISCSI_BOOT_FIRMWARE_TABLE_NIC_STRUCTURE))); | |
| SectionOffset = &Control->NIC0Offset; | |
| Index = 0; | |
| Flag = TRUE; | |
| NET_LIST_FOR_EACH (Entry, &mPrivate->AttemptConfigs) { | |
| if (Index == 0) { | |
| // | |
| // First entry should be boot selected entry. | |
| // | |
| Attempt = IScsiConfigGetAttemptByConfigIndex (mPrivate->BootSelectedIndex); | |
| if (Attempt == NULL) { | |
| // | |
| // First boot selected entry can not be found. | |
| // | |
| break; | |
| } | |
| ASSERT (Attempt->SessionConfigData.Enabled != ISCSI_DISABLED); | |
| } else { | |
| if (Index == 1 && Flag) { | |
| Entry = mPrivate->AttemptConfigs.ForwardLink; | |
| Flag = FALSE; | |
| } | |
| Attempt = NET_LIST_USER_STRUCT (Entry, ISCSI_ATTEMPT_CONFIG_NVDATA, Link); | |
| if (Attempt->AttemptConfigIndex == mPrivate->BootSelectedIndex) { | |
| continue; | |
| } | |
| } | |
| if (Attempt->SessionConfigData.Enabled == ISCSI_DISABLED) { | |
| continue; | |
| } | |
| // | |
| // Krb5 attempt will not be recorded in iBFT. | |
| // | |
| if (Attempt->AuthenticationType == ISCSI_AUTH_TYPE_KRB) { | |
| continue; | |
| } | |
| // | |
| // If multipath mode is enabled, only the attempts in MPIO will be recorded in iBFT. | |
| // | |
| if (mPrivate->EnableMpio && Attempt->SessionConfigData.Enabled != ISCSI_ENABLED_FOR_MPIO) { | |
| continue; | |
| } | |
| // | |
| // Only the valid attempts will be recorded. | |
| // | |
| if (!Attempt->ValidiBFTPath) { | |
| continue; | |
| } | |
| NvData = &Attempt->SessionConfigData; | |
| AuthConfig = &Attempt->AuthConfigData.CHAP; | |
| // | |
| // Fill the Nic section. | |
| // | |
| Nic->Header.StructureId = EFI_ACPI_ISCSI_BOOT_FIRMWARE_TABLE_NIC_STRUCTURE_ID; | |
| Nic->Header.Version = EFI_ACPI_ISCSI_BOOT_FIRMWARE_TABLE_NIC_STRUCTURE_VERSION; | |
| Nic->Header.Length = (UINT16) sizeof (EFI_ACPI_ISCSI_BOOT_FIRMWARE_TABLE_NIC_STRUCTURE); | |
| Nic->Header.Index = (UINT8) Index; | |
| Nic->Header.Flags = EFI_ACPI_ISCSI_BOOT_FIRMWARE_TABLE_NIC_STRUCTURE_FLAG_BLOCK_VALID | | |
| EFI_ACPI_ISCSI_BOOT_FIRMWARE_TABLE_NIC_STRUCTURE_FLAG_GLOBAL; | |
| if (Index == 0) { | |
| Nic->Header.Flags |= EFI_ACPI_ISCSI_BOOT_FIRMWARE_TABLE_NIC_STRUCTURE_FLAG_BOOT_SELECTED; | |
| } | |
| if (NvData->InitiatorInfoFromDhcp) { | |
| Nic->Origin = IpPrefixOriginDhcp; | |
| } else { | |
| Nic->Origin = IpPrefixOriginManual; | |
| } | |
| if (NvData->IpMode == IP_MODE_IP4 || NvData->IpMode == IP_MODE_AUTOCONFIG) { | |
| // | |
| // Get the subnet mask prefix length. | |
| // | |
| Nic->SubnetMaskPrefixLength = IScsiGetSubnetMaskPrefixLength (&NvData->SubnetMask); | |
| // | |
| // Map the various v4 addresses into v6 addresses. | |
| // | |
| IScsiMapV4ToV6Addr (&NvData->LocalIp.v4, &Nic->Ip); | |
| IScsiMapV4ToV6Addr (&NvData->Gateway.v4, &Nic->Gateway); | |
| IScsiMapV4ToV6Addr (&Attempt->PrimaryDns.v4, &Nic->PrimaryDns); | |
| IScsiMapV4ToV6Addr (&Attempt->SecondaryDns.v4, &Nic->SecondaryDns); | |
| IScsiMapV4ToV6Addr (&Attempt->DhcpServer.v4, &Nic->DhcpServer); | |
| } else if (NvData->IpMode == IP_MODE_IP6 || NvData->IpMode == IP_MODE_AUTOCONFIG) { | |
| Nic->SubnetMaskPrefixLength = NvData->PrefixLength; | |
| CopyMem (&Nic->Ip, &NvData->LocalIp, sizeof (EFI_IPv6_ADDRESS)); | |
| CopyMem (&Nic->Gateway, &NvData->Gateway, sizeof (EFI_IPv6_ADDRESS)); | |
| CopyMem (&Nic->PrimaryDns, &Attempt->PrimaryDns, sizeof (EFI_IPv6_ADDRESS)); | |
| CopyMem (&Nic->SecondaryDns, &Attempt->SecondaryDns, sizeof (EFI_IPv6_ADDRESS)); | |
| CopyMem (&Nic->DhcpServer, &Attempt->DhcpServer, sizeof (EFI_IPv6_ADDRESS)); | |
| } else { | |
| ASSERT (FALSE); | |
| } | |
| // | |
| // Get Nic Info: VLAN tag, Mac address, PCI location. | |
| // | |
| NicInfo = IScsiGetNicInfoByIndex (Attempt->NicIndex); | |
| ASSERT (NicInfo != NULL); | |
| Nic->VLanTag = NicInfo->VlanId; | |
| CopyMem (Nic->Mac, &NicInfo->PermanentAddress, sizeof (Nic->Mac)); | |
| Nic->PciLocation = (UINT16) ((NicInfo->BusNumber << 8) | | |
| (NicInfo->DeviceNumber << 3) | NicInfo->FunctionNumber); | |
| *SectionOffset = (UINT16) ((UINTN) Nic - (UINTN) Table); | |
| SectionOffset++; | |
| // | |
| // Fill the Target section. | |
| // | |
| Target->Header.StructureId = EFI_ACPI_ISCSI_BOOT_FIRMWARE_TABLE_TARGET_STRUCTURE_ID; | |
| Target->Header.Version = EFI_ACPI_ISCSI_BOOT_FIRMWARE_TABLE_TARGET_STRUCTURE_VERSION; | |
| Target->Header.Length = (UINT16) sizeof (EFI_ACPI_ISCSI_BOOT_FIRMWARE_TABLE_TARGET_STRUCTURE); | |
| Target->Header.Index = (UINT8) Index; | |
| Target->Header.Flags = EFI_ACPI_ISCSI_BOOT_FIRMWARE_TABLE_TARGET_STRUCTURE_FLAG_BLOCK_VALID; | |
| if (Index == 0) { | |
| Target->Header.Flags |= EFI_ACPI_ISCSI_BOOT_FIRMWARE_TABLE_TARGET_STRUCTURE_FLAG_BOOT_SELECTED; | |
| } | |
| Target->Port = NvData->TargetPort; | |
| if (Attempt->AuthenticationType == ISCSI_AUTH_TYPE_CHAP) { | |
| if (AuthConfig->CHAPType == ISCSI_CHAP_UNI) { | |
| Target->CHAPType = EFI_ACPI_ISCSI_BOOT_FIRMWARE_TABLE_TARGET_STRUCTURE_CHAP_TYPE_CHAP; | |
| } else if (AuthConfig->CHAPType == ISCSI_CHAP_MUTUAL) { | |
| Target->CHAPType = EFI_ACPI_ISCSI_BOOT_FIRMWARE_TABLE_TARGET_STRUCTURE_CHAP_TYPE_MUTUAL_CHAP; | |
| } | |
| } else if (Attempt->AuthenticationType == ISCSI_AUTH_TYPE_NONE) { | |
| Target->CHAPType = EFI_ACPI_ISCSI_BOOT_FIRMWARE_TABLE_TARGET_STRUCTURE_CHAP_TYPE_NO_CHAP; | |
| } | |
| Target->NicIndex = (UINT8) Index; | |
| if (NvData->IpMode == IP_MODE_IP4 || NvData->IpMode == IP_MODE_AUTOCONFIG) { | |
| IScsiMapV4ToV6Addr (&NvData->TargetIp.v4, &Target->Ip); | |
| } else if (NvData->IpMode == IP_MODE_IP6 || NvData->IpMode == IP_MODE_AUTOCONFIG) { | |
| CopyMem (&Target->Ip, &NvData->TargetIp, sizeof (EFI_IPv6_ADDRESS)); | |
| } else { | |
| ASSERT (FALSE); | |
| } | |
| CopyMem (Target->BootLun, NvData->BootLun, sizeof (Target->BootLun)); | |
| // | |
| // Target iSCSI Name, CHAP name/secret, reverse CHAP name/secret. | |
| // | |
| Length = (UINT16) AsciiStrLen (NvData->TargetName); | |
| IScsiAddHeapItem (Heap, NvData->TargetName, Length); | |
| Target->IScsiNameLength = Length; | |
| Target->IScsiNameOffset = (UINT16) ((UINTN) *Heap - (UINTN) Table); | |
| if (Attempt->AuthenticationType == ISCSI_AUTH_TYPE_CHAP) { | |
| // | |
| // CHAP Name | |
| // | |
| Length = (UINT16) AsciiStrLen (AuthConfig->CHAPName); | |
| IScsiAddHeapItem (Heap, AuthConfig->CHAPName, Length); | |
| Target->CHAPNameLength = Length; | |
| Target->CHAPNameOffset = (UINT16) ((UINTN) *Heap - (UINTN) Table); | |
| // | |
| // CHAP Secret | |
| // | |
| Length = (UINT16) AsciiStrLen (AuthConfig->CHAPSecret); | |
| IScsiAddHeapItem (Heap, AuthConfig->CHAPSecret, Length); | |
| Target->CHAPSecretLength = Length; | |
| Target->CHAPSecretOffset = (UINT16) ((UINTN) *Heap - (UINTN) Table); | |
| if (Target->CHAPType == EFI_ACPI_ISCSI_BOOT_FIRMWARE_TABLE_TARGET_STRUCTURE_CHAP_TYPE_MUTUAL_CHAP) { | |
| // | |
| // Reverse CHAP Name. | |
| // | |
| Length = (UINT16) AsciiStrLen (AuthConfig->ReverseCHAPName); | |
| IScsiAddHeapItem (Heap, AuthConfig->ReverseCHAPName, Length); | |
| Target->ReverseCHAPNameLength = Length; | |
| Target->ReverseCHAPNameOffset = (UINT16) ((UINTN) *Heap - (UINTN) Table); | |
| // | |
| // Reverse CHAP Secret. | |
| // | |
| Length = (UINT16) AsciiStrLen (AuthConfig->ReverseCHAPSecret); | |
| IScsiAddHeapItem (Heap, AuthConfig->ReverseCHAPSecret, Length); | |
| Target->ReverseCHAPSecretLength = Length; | |
| Target->ReverseCHAPSecretOffset = (UINT16) ((UINTN) *Heap - (UINTN) Table); | |
| } | |
| } | |
| *SectionOffset = (UINT16) ((UINTN) Target - (UINTN) Table); | |
| SectionOffset++; | |
| // | |
| // Advance to the next NIC/Target pair. | |
| // | |
| Nic = (EFI_ACPI_ISCSI_BOOT_FIRMWARE_TABLE_NIC_STRUCTURE *) ((UINTN) Target + | |
| IBFT_ROUNDUP (sizeof (EFI_ACPI_ISCSI_BOOT_FIRMWARE_TABLE_TARGET_STRUCTURE))); | |
| Target = (EFI_ACPI_ISCSI_BOOT_FIRMWARE_TABLE_TARGET_STRUCTURE *) ((UINTN) Nic + | |
| IBFT_ROUNDUP (sizeof (EFI_ACPI_ISCSI_BOOT_FIRMWARE_TABLE_NIC_STRUCTURE))); | |
| Index++; | |
| } | |
| } | |
| /** | |
| Publish and remove the iSCSI Boot Firmware Table according to the iSCSI | |
| session status. | |
| **/ | |
| VOID | |
| IScsiPublishIbft ( | |
| IN VOID | |
| ) | |
| { | |
| EFI_STATUS Status; | |
| EFI_ACPI_TABLE_PROTOCOL *AcpiTableProtocol; | |
| EFI_ACPI_ISCSI_BOOT_FIRMWARE_TABLE_HEADER *Table; | |
| EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_POINTER *Rsdp; | |
| EFI_ACPI_DESCRIPTION_HEADER *Rsdt; | |
| UINT8 *Heap; | |
| UINT8 Checksum; | |
| UINTN Index; | |
| Status = gBS->LocateProtocol (&gEfiAcpiTableProtocolGuid, NULL, (VOID **) &AcpiTableProtocol); | |
| if (EFI_ERROR (Status)) { | |
| return ; | |
| } | |
| // | |
| // Find ACPI table RSD_PTR from the system table. | |
| // | |
| for (Index = 0, Rsdp = NULL; Index < gST->NumberOfTableEntries; Index++) { | |
| if (CompareGuid (&(gST->ConfigurationTable[Index].VendorGuid), &gEfiAcpi20TableGuid) || | |
| CompareGuid (&(gST->ConfigurationTable[Index].VendorGuid), &gEfiAcpi10TableGuid) || | |
| CompareGuid (&(gST->ConfigurationTable[Index].VendorGuid), &gEfiAcpiTableGuid) | |
| ) { | |
| // | |
| // A match was found. | |
| // | |
| Rsdp = (EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_POINTER *) gST->ConfigurationTable[Index].VendorTable; | |
| break; | |
| } | |
| } | |
| if (Rsdp == NULL) { | |
| return ; | |
| } else { | |
| Rsdt = (EFI_ACPI_DESCRIPTION_HEADER *) (UINTN) Rsdp->RsdtAddress; | |
| } | |
| if (mIbftInstalled) { | |
| Status = AcpiTableProtocol->UninstallAcpiTable ( | |
| AcpiTableProtocol, | |
| mTableKey | |
| ); | |
| if (EFI_ERROR (Status)) { | |
| return ; | |
| } | |
| mIbftInstalled = FALSE; | |
| } | |
| // | |
| // If there is no valid attempt configuration, just return. | |
| // | |
| if ((!mPrivate->EnableMpio && mPrivate->ValidSinglePathCount == 0) || | |
| (mPrivate->EnableMpio && mPrivate->MpioCount <= mPrivate->Krb5MpioCount)) { | |
| return ; | |
| } | |
| // | |
| // Allocate 4k bytes to hold the ACPI table. | |
| // | |
| Table = AllocateZeroPool (IBFT_MAX_SIZE); | |
| if (Table == NULL) { | |
| return ; | |
| } | |
| Heap = (UINT8 *) Table + IBFT_HEAP_OFFSET; | |
| // | |
| // Fill in the various section of the iSCSI Boot Firmware Table. | |
| // | |
| IScsiInitIbfTableHeader (Table, Rsdt->OemId, &Rsdt->OemTableId); | |
| IScsiInitControlSection (Table); | |
| IScsiFillInitiatorSection (Table, &Heap); | |
| IScsiFillNICAndTargetSections (Table, &Heap); | |
| Checksum = CalculateCheckSum8((UINT8 *)Table, Table->Length); | |
| Table->Checksum = Checksum; | |
| // | |
| // Install or update the iBFT table. | |
| // | |
| Status = AcpiTableProtocol->InstallAcpiTable ( | |
| AcpiTableProtocol, | |
| Table, | |
| Table->Length, | |
| &mTableKey | |
| ); | |
| if (EFI_ERROR(Status)) { | |
| return; | |
| } | |
| mIbftInstalled = TRUE; | |
| FreePool (Table); | |
| } |