diff options
author | Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com> | 2023-10-10 14:33:42 +0000 |
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committer | Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com> | 2023-10-10 14:33:42 +0000 |
commit | af1a266670d040d2f4083ff309d732d648afba2a (patch) | |
tree | 2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/edk2/OvmfPkg/SmbiosPlatformDxe | |
parent | e02cda008591317b1625707ff8e115a4841aa889 (diff) |
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/edk2/OvmfPkg/SmbiosPlatformDxe')
-rw-r--r-- | roms/edk2/OvmfPkg/SmbiosPlatformDxe/ArmXen.c | 28 | ||||
-rw-r--r-- | roms/edk2/OvmfPkg/SmbiosPlatformDxe/Qemu.c | 48 | ||||
-rw-r--r-- | roms/edk2/OvmfPkg/SmbiosPlatformDxe/SmbiosPlatformDxe.c | 211 | ||||
-rw-r--r-- | roms/edk2/OvmfPkg/SmbiosPlatformDxe/SmbiosPlatformDxe.h | 48 | ||||
-rw-r--r-- | roms/edk2/OvmfPkg/SmbiosPlatformDxe/SmbiosPlatformDxe.inf | 64 | ||||
-rw-r--r-- | roms/edk2/OvmfPkg/SmbiosPlatformDxe/X86Xen.c | 92 |
6 files changed, 491 insertions, 0 deletions
diff --git a/roms/edk2/OvmfPkg/SmbiosPlatformDxe/ArmXen.c b/roms/edk2/OvmfPkg/SmbiosPlatformDxe/ArmXen.c new file mode 100644 index 000000000..c2847f905 --- /dev/null +++ b/roms/edk2/OvmfPkg/SmbiosPlatformDxe/ArmXen.c @@ -0,0 +1,28 @@ +/** @file
+ Detect Xen SMBIOS data on ARM / AARCH64.
+
+ Copyright (C) 2015, Red Hat, Inc.
+ Copyright (c) 2011, Bei Guan <gbtju85@gmail.com>
+ Copyright (c) 2011, Intel Corporation. All rights reserved.<BR>
+
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+**/
+
+#include "SmbiosPlatformDxe.h"
+
+/**
+ Locates the Xen SMBIOS data if it exists
+
+ @return SMBIOS_TABLE_ENTRY_POINT Address of Xen SMBIOS data
+
+**/
+SMBIOS_TABLE_ENTRY_POINT *
+GetXenSmbiosTables (
+ VOID
+ )
+{
+ //
+ // Not implemented yet.
+ //
+ return NULL;
+}
diff --git a/roms/edk2/OvmfPkg/SmbiosPlatformDxe/Qemu.c b/roms/edk2/OvmfPkg/SmbiosPlatformDxe/Qemu.c new file mode 100644 index 000000000..e34658238 --- /dev/null +++ b/roms/edk2/OvmfPkg/SmbiosPlatformDxe/Qemu.c @@ -0,0 +1,48 @@ +/** @file
+ Find and extract QEMU SMBIOS data from fw_cfg.
+
+ Copyright (C) 2014, Gabriel L. Somlo <somlo@cmu.edu>
+
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+**/
+
+#include "SmbiosPlatformDxe.h"
+#include <Library/QemuFwCfgLib.h>
+#include <Library/MemoryAllocationLib.h>
+#include <Library/PcdLib.h>
+
+/**
+ Locates and extracts the QEMU SMBIOS data if present in fw_cfg
+
+ @return Address of extracted QEMU SMBIOS data
+
+**/
+UINT8 *
+GetQemuSmbiosTables (
+ VOID
+ )
+{
+ EFI_STATUS Status;
+ FIRMWARE_CONFIG_ITEM Tables;
+ UINTN TablesSize;
+ UINT8 *QemuTables;
+
+ if (!PcdGetBool (PcdQemuSmbiosValidated)) {
+ return NULL;
+ }
+
+ Status = QemuFwCfgFindFile ("etc/smbios/smbios-tables", &Tables,
+ &TablesSize);
+ ASSERT_EFI_ERROR (Status);
+ ASSERT (TablesSize > 0);
+
+ QemuTables = AllocatePool (TablesSize);
+ if (QemuTables == NULL) {
+ return NULL;
+ }
+
+ QemuFwCfgSelectItem (Tables);
+ QemuFwCfgReadBytes (TablesSize, QemuTables);
+
+ return QemuTables;
+}
diff --git a/roms/edk2/OvmfPkg/SmbiosPlatformDxe/SmbiosPlatformDxe.c b/roms/edk2/OvmfPkg/SmbiosPlatformDxe/SmbiosPlatformDxe.c new file mode 100644 index 000000000..7991a19dc --- /dev/null +++ b/roms/edk2/OvmfPkg/SmbiosPlatformDxe/SmbiosPlatformDxe.c @@ -0,0 +1,211 @@ +/** @file
+ This driver installs SMBIOS information for OVMF
+
+ Copyright (c) 2011, Bei Guan <gbtju85@gmail.com>
+ Copyright (c) 2011 - 2015, Intel Corporation. All rights reserved.<BR>
+
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include "SmbiosPlatformDxe.h"
+
+#define TYPE0_STRINGS \
+ "EFI Development Kit II / OVMF\0" /* Vendor */ \
+ "0.0.0\0" /* BiosVersion */ \
+ "02/06/2015\0" /* BiosReleaseDate */
+//
+// Type definition and contents of the default Type 0 SMBIOS table.
+//
+#pragma pack(1)
+typedef struct {
+ SMBIOS_TABLE_TYPE0 Base;
+ UINT8 Strings[sizeof(TYPE0_STRINGS)];
+} OVMF_TYPE0;
+#pragma pack()
+
+STATIC CONST OVMF_TYPE0 mOvmfDefaultType0 = {
+ {
+ // SMBIOS_STRUCTURE Hdr
+ {
+ EFI_SMBIOS_TYPE_BIOS_INFORMATION, // UINT8 Type
+ sizeof (SMBIOS_TABLE_TYPE0), // UINT8 Length
+ },
+ 1, // SMBIOS_TABLE_STRING Vendor
+ 2, // SMBIOS_TABLE_STRING BiosVersion
+ 0xE800,// UINT16 BiosSegment
+ 3, // SMBIOS_TABLE_STRING BiosReleaseDate
+ 0, // UINT8 BiosSize
+ { // MISC_BIOS_CHARACTERISTICS BiosCharacteristics
+ 0, // Reserved :2
+ 0, // Unknown :1
+ 1, // BiosCharacteristicsNotSupported :1
+ // Remaining BiosCharacteristics bits left unset :60
+ },
+ { // BIOSCharacteristicsExtensionBytes[2]
+ 0, // BiosReserved
+ 0x1C // SystemReserved = VirtualMachineSupported |
+ // UefiSpecificationSupported |
+ // TargetContentDistributionEnabled
+ },
+ 0, // UINT8 SystemBiosMajorRelease
+ 0, // UINT8 SystemBiosMinorRelease
+ 0xFF, // UINT8 EmbeddedControllerFirmwareMajorRelease
+ 0xFF // UINT8 EmbeddedControllerFirmwareMinorRelease
+ },
+ // Text strings (unformatted area)
+ TYPE0_STRINGS
+};
+
+
+/**
+ Get SMBIOS record length.
+
+ @param SmbiosTable SMBIOS pointer.
+
+**/
+UINTN
+SmbiosTableLength (
+ IN SMBIOS_STRUCTURE_POINTER SmbiosTable
+ )
+{
+ CHAR8 *AChar;
+ UINTN Length;
+
+ AChar = (CHAR8 *)(SmbiosTable.Raw + SmbiosTable.Hdr->Length);
+
+ //
+ // Each structure shall be terminated by a double-null (SMBIOS spec.7.1)
+ //
+ while ((*AChar != 0) || (*(AChar + 1) != 0)) {
+ AChar ++;
+ }
+ Length = ((UINTN)AChar - (UINTN)SmbiosTable.Raw + 2);
+
+ return Length;
+}
+
+
+/**
+ Install all structures from the given SMBIOS structures block
+
+ @param Smbios SMBIOS protocol
+ @param TableAddress SMBIOS tables starting address
+
+**/
+EFI_STATUS
+InstallAllStructures (
+ IN EFI_SMBIOS_PROTOCOL *Smbios,
+ IN UINT8 *TableAddress
+ )
+{
+ EFI_STATUS Status;
+ SMBIOS_STRUCTURE_POINTER SmbiosTable;
+ EFI_SMBIOS_HANDLE SmbiosHandle;
+ BOOLEAN NeedSmbiosType0;
+
+ SmbiosTable.Raw = TableAddress;
+ if (SmbiosTable.Raw == NULL) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ NeedSmbiosType0 = TRUE;
+
+ while (SmbiosTable.Hdr->Type != 127) {
+ //
+ // Log the SMBIOS data for this structure
+ //
+ SmbiosHandle = SmbiosTable.Hdr->Handle;
+ Status = Smbios->Add (
+ Smbios,
+ NULL,
+ &SmbiosHandle,
+ (EFI_SMBIOS_TABLE_HEADER*) SmbiosTable.Raw
+ );
+ ASSERT_EFI_ERROR (Status);
+
+ if (SmbiosTable.Hdr->Type == 0) {
+ NeedSmbiosType0 = FALSE;
+ }
+
+ //
+ // Get the next structure address
+ //
+ SmbiosTable.Raw = (UINT8 *)(SmbiosTable.Raw + SmbiosTableLength (SmbiosTable));
+ }
+
+ if (NeedSmbiosType0) {
+ //
+ // Add OVMF default Type 0 (BIOS Information) table
+ //
+ SmbiosHandle = SMBIOS_HANDLE_PI_RESERVED;
+ Status = Smbios->Add (
+ Smbios,
+ NULL,
+ &SmbiosHandle,
+ (EFI_SMBIOS_TABLE_HEADER*) &mOvmfDefaultType0
+ );
+ ASSERT_EFI_ERROR (Status);
+ }
+
+ return EFI_SUCCESS;
+}
+
+
+/**
+ Installs SMBIOS information for OVMF
+
+ @param ImageHandle Module's image handle
+ @param SystemTable Pointer of EFI_SYSTEM_TABLE
+
+ @retval EFI_SUCCESS Smbios data successfully installed
+ @retval Other Smbios data was not installed
+
+**/
+EFI_STATUS
+EFIAPI
+SmbiosTablePublishEntry (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+ )
+{
+ EFI_STATUS Status;
+ EFI_SMBIOS_PROTOCOL *Smbios;
+ SMBIOS_TABLE_ENTRY_POINT *EntryPointStructure;
+ UINT8 *SmbiosTables;
+
+ //
+ // Find the SMBIOS protocol
+ //
+ Status = gBS->LocateProtocol (
+ &gEfiSmbiosProtocolGuid,
+ NULL,
+ (VOID**)&Smbios
+ );
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ //
+ // Add Xen or QEMU SMBIOS data if found
+ //
+ EntryPointStructure = GetXenSmbiosTables ();
+ if (EntryPointStructure != NULL) {
+ SmbiosTables = (UINT8*)(UINTN)EntryPointStructure->TableAddress;
+ } else {
+ SmbiosTables = GetQemuSmbiosTables ();
+ }
+
+ if (SmbiosTables != NULL) {
+ Status = InstallAllStructures (Smbios, SmbiosTables);
+
+ //
+ // Free SmbiosTables if allocated by Qemu (i.e., NOT by Xen):
+ //
+ if (EntryPointStructure == NULL) {
+ FreePool (SmbiosTables);
+ }
+ }
+
+ return Status;
+}
diff --git a/roms/edk2/OvmfPkg/SmbiosPlatformDxe/SmbiosPlatformDxe.h b/roms/edk2/OvmfPkg/SmbiosPlatformDxe/SmbiosPlatformDxe.h new file mode 100644 index 000000000..21aa916d7 --- /dev/null +++ b/roms/edk2/OvmfPkg/SmbiosPlatformDxe/SmbiosPlatformDxe.h @@ -0,0 +1,48 @@ +/** @file
+ This driver installs SMBIOS information for OVMF
+
+ Copyright (c) 2011, Bei Guan <gbtju85@gmail.com>
+ Copyright (c) 2011, Intel Corporation. All rights reserved.<BR>
+
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#ifndef _SMBIOS_PLATFORM_DXE_H_
+#define _SMBIOS_PLATFORM_DXE_H_
+
+#include <PiDxe.h>
+
+#include <Protocol/Smbios.h>
+#include <IndustryStandard/SmBios.h>
+#include <Library/DebugLib.h>
+#include <Library/BaseLib.h>
+#include <Library/BaseMemoryLib.h>
+#include <Library/UefiBootServicesTableLib.h>
+#include <Library/MemoryAllocationLib.h>
+
+
+/**
+ Locates the Xen SMBIOS data if it exists
+
+ @return SMBIOS_TABLE_ENTRY_POINT Address of Xen SMBIOS data
+
+**/
+SMBIOS_TABLE_ENTRY_POINT *
+GetXenSmbiosTables (
+ VOID
+ );
+
+
+/**
+ Locates and extracts the QEMU SMBIOS table data if present in fw_cfg
+
+ @return Address of extracted QEMU SMBIOS data
+
+**/
+UINT8 *
+GetQemuSmbiosTables (
+ VOID
+ );
+
+#endif
diff --git a/roms/edk2/OvmfPkg/SmbiosPlatformDxe/SmbiosPlatformDxe.inf b/roms/edk2/OvmfPkg/SmbiosPlatformDxe/SmbiosPlatformDxe.inf new file mode 100644 index 000000000..8b56d90cf --- /dev/null +++ b/roms/edk2/OvmfPkg/SmbiosPlatformDxe/SmbiosPlatformDxe.inf @@ -0,0 +1,64 @@ +## @file
+# This driver installs SMBIOS information for OVMF
+#
+# Copyright (c) 2011, Bei Guan <gbtju85@gmail.com>
+# Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR>
+#
+# SPDX-License-Identifier: BSD-2-Clause-Patent
+#
+##
+
+[Defines]
+ INF_VERSION = 0x00010005
+ BASE_NAME = SmbiosPlatformDxe
+ FILE_GUID = 4110465d-5ff3-4f4b-b580-24ed0d06747a
+ MODULE_TYPE = DXE_DRIVER
+ VERSION_STRING = 1.0
+
+ ENTRY_POINT = SmbiosTablePublishEntry
+
+#
+# The following information is for reference only and not required by the build tools.
+#
+# VALID_ARCHITECTURES = IA32 X64 EBC ARM AARCH64
+#
+
+[Sources]
+ SmbiosPlatformDxe.h
+ SmbiosPlatformDxe.c
+ Qemu.c
+
+[Sources.IA32, Sources.X64]
+ X86Xen.c
+
+[Sources.ARM, Sources.AARCH64]
+ ArmXen.c
+
+[Packages]
+ MdePkg/MdePkg.dec
+ MdeModulePkg/MdeModulePkg.dec
+ OvmfPkg/OvmfPkg.dec
+
+[LibraryClasses]
+ UefiBootServicesTableLib
+ BaseMemoryLib
+ BaseLib
+ UefiDriverEntryPoint
+ DebugLib
+ HobLib
+ QemuFwCfgLib
+ MemoryAllocationLib
+ PcdLib
+
+[Pcd]
+ gUefiOvmfPkgTokenSpaceGuid.PcdQemuSmbiosValidated
+
+[Protocols]
+ gEfiSmbiosProtocolGuid # PROTOCOL ALWAYS_CONSUMED
+
+[Guids]
+ gEfiXenInfoGuid
+
+[Depex]
+ gEfiSmbiosProtocolGuid
+
diff --git a/roms/edk2/OvmfPkg/SmbiosPlatformDxe/X86Xen.c b/roms/edk2/OvmfPkg/SmbiosPlatformDxe/X86Xen.c new file mode 100644 index 000000000..bead810ef --- /dev/null +++ b/roms/edk2/OvmfPkg/SmbiosPlatformDxe/X86Xen.c @@ -0,0 +1,92 @@ +/** @file
+ Detect Xen hvmloader SMBIOS data for usage by OVMF.
+
+ Copyright (c) 2011, Bei Guan <gbtju85@gmail.com>
+ Copyright (c) 2011, Intel Corporation. All rights reserved.<BR>
+
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include "SmbiosPlatformDxe.h"
+#include <Library/HobLib.h>
+#include <Guid/XenInfo.h>
+
+#define XEN_SMBIOS_PHYSICAL_ADDRESS 0x000EB000
+#define XEN_SMBIOS_PHYSICAL_END 0x000F0000
+
+/**
+ Validates the SMBIOS entry point structure
+
+ @param EntryPointStructure SMBIOS entry point structure
+
+ @retval TRUE The entry point structure is valid
+ @retval FALSE The entry point structure is not valid
+
+**/
+STATIC
+BOOLEAN
+IsEntryPointStructureValid (
+ IN SMBIOS_TABLE_ENTRY_POINT *EntryPointStructure
+ )
+{
+ UINTN Index;
+ UINT8 Length;
+ UINT8 Checksum;
+ UINT8 *BytePtr;
+
+ BytePtr = (UINT8*) EntryPointStructure;
+ Length = EntryPointStructure->EntryPointLength;
+ Checksum = 0;
+
+ for (Index = 0; Index < Length; Index++) {
+ Checksum = Checksum + (UINT8) BytePtr[Index];
+ }
+
+ if (Checksum != 0) {
+ return FALSE;
+ } else {
+ return TRUE;
+ }
+}
+
+/**
+ Locates the Xen SMBIOS data if it exists
+
+ @return SMBIOS_TABLE_ENTRY_POINT Address of Xen SMBIOS data
+
+**/
+SMBIOS_TABLE_ENTRY_POINT *
+GetXenSmbiosTables (
+ VOID
+ )
+{
+ UINT8 *XenSmbiosPtr;
+ SMBIOS_TABLE_ENTRY_POINT *XenSmbiosEntryPointStructure;
+ EFI_HOB_GUID_TYPE *GuidHob;
+
+ //
+ // See if a XenInfo HOB is available
+ //
+ GuidHob = GetFirstGuidHob (&gEfiXenInfoGuid);
+ if (GuidHob == NULL) {
+ return NULL;
+ }
+
+ for (XenSmbiosPtr = (UINT8*)(UINTN) XEN_SMBIOS_PHYSICAL_ADDRESS;
+ XenSmbiosPtr < (UINT8*)(UINTN) XEN_SMBIOS_PHYSICAL_END;
+ XenSmbiosPtr += 0x10) {
+
+ XenSmbiosEntryPointStructure = (SMBIOS_TABLE_ENTRY_POINT *) XenSmbiosPtr;
+
+ if (!AsciiStrnCmp ((CHAR8 *) XenSmbiosEntryPointStructure->AnchorString, "_SM_", 4) &&
+ !AsciiStrnCmp ((CHAR8 *) XenSmbiosEntryPointStructure->IntermediateAnchorString, "_DMI_", 5) &&
+ IsEntryPointStructureValid (XenSmbiosEntryPointStructure)) {
+
+ return XenSmbiosEntryPointStructure;
+
+ }
+ }
+
+ return NULL;
+}
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