From: Abner Chang <abner.chang@amd.com>
Add MCTP manageability transport interface library.
The functionality is verified by checking the binary
debug output of payload.
Signed-off-by: Abner Chang <abner.chang@amd.com>
Cc: Isaac Oram <isaac.w.oram@intel.com>
Cc: Abdul Lateef Attar <abdattar@amd.com>
Cc: Nickle Wang <nicklew@nvidia.com>
Cc: Igor Kulchytskyy <igork@ami.com>
---
.../ManageabilityPkg/ManageabilityPkg.dsc | 1 +
.../Dxe/DxeManageabilityTransportMctp.inf | 44 +++
.../Dxe/ManageabilityTransportMctp.h | 26 ++
.../Dxe/ManageabilityTransportMctp.c | 367 ++++++++++++++++++
.../Dxe/ManageabilityTransportMctp.uni | 13 +
5 files changed, 451 insertions(+)
create mode 100644 Features/ManageabilityPkg/Library/ManageabilityTransportMctpLib/Dxe/DxeManageabilityTransportMctp.inf
create mode 100644 Features/ManageabilityPkg/Library/ManageabilityTransportMctpLib/Dxe/ManageabilityTransportMctp.h
create mode 100644 Features/ManageabilityPkg/Library/ManageabilityTransportMctpLib/Dxe/ManageabilityTransportMctp.c
create mode 100644 Features/ManageabilityPkg/Library/ManageabilityTransportMctpLib/Dxe/ManageabilityTransportMctp.uni
diff --git a/Features/ManageabilityPkg/ManageabilityPkg.dsc b/Features/ManageabilityPkg/ManageabilityPkg.dsc
index 412029ef6c..959b3eabd2 100644
--- a/Features/ManageabilityPkg/ManageabilityPkg.dsc
+++ b/Features/ManageabilityPkg/ManageabilityPkg.dsc
@@ -37,6 +37,7 @@
[Components]
ManageabilityPkg/Library/ManageabilityTransportKcsLib/Dxe/DxeManageabilityTransportKcs.inf
+ ManageabilityPkg/Library/ManageabilityTransportMctpLib/Dxe/DxeManageabilityTransportMctp.inf
ManageabilityPkg/Library/PldmProtocolLibrary/Dxe/PldmProtocolLib.inf
[LibraryClasses]
diff --git a/Features/ManageabilityPkg/Library/ManageabilityTransportMctpLib/Dxe/DxeManageabilityTransportMctp.inf b/Features/ManageabilityPkg/Library/ManageabilityTransportMctpLib/Dxe/DxeManageabilityTransportMctp.inf
new file mode 100644
index 0000000000..22ea37c516
--- /dev/null
+++ b/Features/ManageabilityPkg/Library/ManageabilityTransportMctpLib/Dxe/DxeManageabilityTransportMctp.inf
@@ -0,0 +1,44 @@
+## @file
+# MCTP instance of Manageability Transport Library
+#
+# Copyright (C) 2023 Advanced Micro Devices, Inc. All rights reserved.<BR>
+# SPDX-License-Identifier: BSD-2-Clause-Patent
+#
+##
+
+[Defines]
+ INF_VERSION = 0x0001001B
+ BASE_NAME = DxeManageabilityTransportMctp
+ MODULE_UNI_FILE = ManageabilityTransportMctp.uni
+ FILE_GUID = 7770FA0F-4808-47BD-89F4-717185332486
+ MODULE_TYPE = DXE_DRIVER
+ VERSION_STRING = 1.0
+ LIBRARY_CLASS = ManageabilityTransportLib
+
+#
+# VALID_ARCHITECTURES = IA32 X64 ARM AARCH64
+#
+
+[Sources]
+ ManageabilityTransportMctp.c
+ ManageabilityTransportMctp.h
+
+[Packages]
+ ManageabilityPkg/ManageabilityPkg.dec
+ MdePkg/MdePkg.dec
+
+[LibraryClasses]
+ DebugLib
+ MemoryAllocationLib
+ UefiBootServicesTableLib
+
+[Protocols]
+ gEdkiiMctpProtocolGuid
+
+[Guids]
+ gManageabilityProtocolPldmGuid
+ gManageabilityTransportMctpGuid
+
+[Depex]
+ gEdkiiMctpProtocolGuid ## ALWAYS_CONSUMES
+
diff --git a/Features/ManageabilityPkg/Library/ManageabilityTransportMctpLib/Dxe/ManageabilityTransportMctp.h b/Features/ManageabilityPkg/Library/ManageabilityTransportMctpLib/Dxe/ManageabilityTransportMctp.h
new file mode 100644
index 0000000000..1ce0d3a8bc
--- /dev/null
+++ b/Features/ManageabilityPkg/Library/ManageabilityTransportMctpLib/Dxe/ManageabilityTransportMctp.h
@@ -0,0 +1,26 @@
+/** @file
+
+ Manageability transport MCTP internal used definitions.
+
+ Copyright (C) 2023 Advanced Micro Devices, Inc. All rights reserved.<BR>
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+**/
+
+#ifndef MANAGEABILITY_TRANSPORT_MCTP_LIB_INTERNAL_H_
+#define MANAGEABILITY_TRANSPORT_MCTP_LIB_INTERNAL_H_
+
+#include <Library/ManageabilityTransportLib.h>
+
+#define MANAGEABILITY_TRANSPORT_MCTP_SIGNATURE SIGNATURE_32 ('M', 'T', 'M', 'C')
+
+///
+/// Manageability transport KCS internal data structure.
+///
+typedef struct {
+ UINTN Signature;
+ MANAGEABILITY_TRANSPORT_TOKEN Token;
+} MANAGEABILITY_TRANSPORT_MCTP;
+
+#define MANAGEABILITY_TRANSPORT_MCTP_FROM_LINK(a) CR (a, MANAGEABILITY_TRANSPORT_MCTP, Token, MANAGEABILITY_TRANSPORT_MCTP_SIGNATURE)
+
+#endif // MANAGEABILITY_TRANSPORT_MCTP_LIB_INTERNAL_H_
diff --git a/Features/ManageabilityPkg/Library/ManageabilityTransportMctpLib/Dxe/ManageabilityTransportMctp.c b/Features/ManageabilityPkg/Library/ManageabilityTransportMctpLib/Dxe/ManageabilityTransportMctp.c
new file mode 100644
index 0000000000..eaf02bbb0a
--- /dev/null
+++ b/Features/ManageabilityPkg/Library/ManageabilityTransportMctpLib/Dxe/ManageabilityTransportMctp.c
@@ -0,0 +1,367 @@
+/** @file
+
+ MCTP instance of Manageability Transport Library
+
+ Copyright (C) 2023 Advanced Micro Devices, Inc. All rights reserved.<BR>
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+*/
+
+#include <Uefi.h>
+#include <Library/IoLib.h>
+#include <Library/DebugLib.h>
+#include <Library/MemoryAllocationLib.h>
+#include <Library/ManageabilityTransportLib.h>
+#include <Library/ManageabilityTransportMctpLib.h>
+#include <Library/ManageabilityTransportHelperLib.h>
+#include <Library/UefiBootServicesTableLib.h>
+#include <Protocol/MctpProtocol.h>
+
+#include "ManageabilityTransportMctp.h"
+
+MANAGEABILITY_TRANSPORT_MCTP *mSingleSessionToken = NULL;
+EDKII_MCTP_PROTOCOL *mMctpProtocol = NULL;
+
+EFI_GUID *mSupportedManageabilityProtocol[] = {
+ &gManageabilityProtocolPldmGuid
+};
+
+UINT8 mNumberOfSupportedProtocol = (sizeof (mSupportedManageabilityProtocol)/sizeof (EFI_GUID *));
+
+/**
+ This function initializes the transport interface.
+
+ @param [in] TransportToken The transport token acquired through
+ AcquireTransportSession function.
+ @param [in] HardwareInfo The hardware information
+ assigned to MCTP transport interface.
+
+ @retval EFI_SUCCESS Transport interface is initialized
+ successfully.
+ @retval EFI_INVALID_PARAMETER The invalid transport token.
+ @retval EFI_NOT_READY The transport interface works fine but
+ @retval is not ready.
+ @retval EFI_DEVICE_ERROR The transport interface has problems.
+ @retval EFI_ALREADY_STARTED Teh protocol interface has already initialized.
+ @retval Otherwise Other errors.
+
+**/
+EFI_STATUS
+EFIAPI
+MctpTransportInit (
+ IN MANAGEABILITY_TRANSPORT_TOKEN *TransportToken,
+ IN MANAGEABILITY_TRANSPORT_HARDWARE_INFORMATION HardwareInfo OPTIONAL
+ )
+{
+ return EFI_SUCCESS;
+}
+
+/**
+ This function returns the transport interface status.
+ The generic EFI_STATUS is returned to caller directly, The additional
+ information of transport interface could be optionally returned in
+ TransportAdditionalStatus to describes the status that can't be
+ described obviously through EFI_STATUS.
+ See the definition of MANAGEABILITY_TRANSPORT_STATUS.
+
+ @param [in] TransportToken The transport token acquired through
+ AcquireTransportSession function.
+ @param [out] TransportAdditionalStatus The additional status of transport
+ interface.
+ NULL means no additional status of this
+ transport interface.
+
+ @retval EFI_SUCCESS Transport interface status is returned.
+ @retval EFI_INVALID_PARAMETER The invalid transport token.
+ @retval EFI_DEVICE_ERROR The transport interface has problems to return
+ @retval EFI_UNSUPPORTED The transport interface doesn't have status report.
+ Otherwise Other errors.
+
+**/
+EFI_STATUS
+EFIAPI
+MctpTransportStatus (
+ IN MANAGEABILITY_TRANSPORT_TOKEN *TransportToken,
+ OUT MANAGEABILITY_TRANSPORT_ADDITIONAL_STATUS *TransportAdditionalStatus OPTIONAL
+ )
+{
+ if (TransportToken == NULL) {
+ DEBUG ((DEBUG_ERROR, "%a: Invalid transport token.\n", __FUNCTION__));
+ return EFI_INVALID_PARAMETER;
+ }
+
+ if (TransportAdditionalStatus != NULL) {
+ *TransportAdditionalStatus = MANAGEABILITY_TRANSPORT_ADDITIONAL_STATUS_NO_ERRORS;
+ }
+
+ return EFI_SUCCESS;
+}
+
+/**
+ This function resets the transport interface.
+ The generic EFI_STATUS is returned to caller directly after reseting transport
+ interface. The additional information of transport interface could be optionally
+ returned in TransportAdditionalStatus to describes the status that can't be
+ described obviously through EFI_STATUS.
+ See the definition of MANAGEABILITY_TRANSPORT_ADDITIONAL_STATUS.
+
+ @param [in] TransportToken The transport token acquired through
+ AcquireTransportSession function.
+ @param [out] TransportAdditionalStatus The additional status of specific transport
+ interface after the reset.
+ NULL means no additional status of this
+ transport interface.
+
+ @retval EFI_SUCCESS Transport interface status is returned.
+ @retval EFI_INVALID_PARAMETER The invalid transport token.
+ @retval EFI_TIMEOUT The reset process is time out.
+ @retval EFI_DEVICE_ERROR The transport interface has problems to return
+ status.
+ Otherwise Other errors.
+
+**/
+EFI_STATUS
+EFIAPI
+MctpTransportReset (
+ IN MANAGEABILITY_TRANSPORT_TOKEN *TransportToken,
+ OUT MANAGEABILITY_TRANSPORT_ADDITIONAL_STATUS *TransportAdditionalStatus OPTIONAL
+ )
+{
+ if (TransportAdditionalStatus != NULL) {
+ *TransportAdditionalStatus = MANAGEABILITY_TRANSPORT_ADDITIONAL_STATUS_NOT_AVAILABLE;
+ }
+
+ return EFI_UNSUPPORTED;
+}
+
+/**
+ This function transmit the request over target transport interface.
+ The generic EFI_STATUS is returned to caller directly after reseting transport
+ interface. The additional information of transport interface could be optionally
+ returned in TransportAdditionalStatus to describes the status that can't be
+ described obviously through EFI_STATUS.
+ See the definition of MANAGEABILITY_TRANSPORT_ADDITIONAL_STATUS.
+
+ @param [in] TransportToken The transport token acquired through
+ AcquireTransportSession function.
+ @param [in] TransferToken The transfer token, see the definition of
+ MANAGEABILITY_TRANSFER_TOKEN.
+
+ @retval The EFI status is returned in MANAGEABILITY_TRANSFER_TOKEN.
+
+**/
+VOID
+EFIAPI
+MctpTransportTransmitReceive (
+ IN MANAGEABILITY_TRANSPORT_TOKEN *TransportToken,
+ IN MANAGEABILITY_TRANSFER_TOKEN *TransferToken
+ )
+{
+ EFI_STATUS Status;
+ MANAGEABILITY_MCTP_TRANSPORT_HEADER *TransmitHeader;
+
+ if (TransportToken == NULL) {
+ DEBUG ((DEBUG_ERROR, "%a: Invalid transport token.\n", __FUNCTION__));
+ TransferToken->TransportAdditionalStatus = MANAGEABILITY_TRANSPORT_ADDITIONAL_STATUS_NOT_AVAILABLE;
+ return;
+ }
+
+ TransmitHeader = (MANAGEABILITY_MCTP_TRANSPORT_HEADER *)TransferToken->TransmitHeader;
+ if (TransmitHeader == NULL) {
+ TransferToken->TransferStatus = EFI_INVALID_PARAMETER;
+ TransferToken->TransportAdditionalStatus = MANAGEABILITY_TRANSPORT_ADDITIONAL_STATUS_NOT_AVAILABLE;
+ return;
+ }
+
+ if (mMctpProtocol == NULL) {
+ Status = gBS->LocateProtocol (
+ &gEdkiiMctpProtocolGuid,
+ NULL,
+ (VOID **)&mMctpProtocol
+ );
+ if (EFI_ERROR (Status)) {
+ //
+ // Dxe MCTP Protocol is not installed.
+ //
+ DEBUG ((DEBUG_ERROR, "%a: EDKII MCTP protocol is not found - %r\n", __FUNCTION__, Status));
+ return;
+ }
+ }
+
+ DEBUG ((
+ DEBUG_MANAGEABILITY_INFO,
+ "%a: MCTP message type: 0x%x, SourceEndpointId: 0x%x, DestinationEndpointId: 0x%x\n",
+ __FUNCTION__,
+ TransmitHeader->MessageHeader.MessageType,
+ TransmitHeader->SourceEndpointId,
+ TransmitHeader->DestinationEndpointId
+ ));
+ DEBUG ((
+ DEBUG_MANAGEABILITY_INFO,
+ " - Request message size: 0x%x, Response message size: %x\n",
+ TransferToken->TransmitPackage.TransmitSizeInByte,
+ TransferToken->ReceivePackage.ReceiveSizeInByte
+ ));
+ Status = mMctpProtocol->Functions.Version1_0->MctpSubmitCommand (
+ mMctpProtocol,
+ TransmitHeader->MessageHeader.MessageType,
+ TransmitHeader->SourceEndpointId,
+ TransmitHeader->DestinationEndpointId,
+ (BOOLEAN)TransmitHeader->MessageHeader.IntegrityCheck,
+ TransferToken->TransmitPackage.TransmitPayload,
+ TransferToken->TransmitPackage.TransmitSizeInByte,
+ TransferToken->TransmitPackage.TransmitTimeoutInMillisecond,
+ TransferToken->ReceivePackage.ReceiveBuffer,
+ &TransferToken->ReceivePackage.ReceiveSizeInByte,
+ TransferToken->ReceivePackage.TransmitTimeoutInMillisecond,
+ &TransferToken->TransportAdditionalStatus
+ );
+ TransferToken->TransferStatus = Status;
+}
+
+/**
+ This function acquires to create a transport session to transmit manageability
+ packet. A transport token is returned to caller for the follow up operations.
+
+ @param [in] ManageabilityProtocolSpec The protocol spec the transport interface is acquired.
+ @param [out] TransportToken The pointer to receive the transport token created by
+ the target transport interface library.
+ @retval EFI_SUCCESS Token is created successfully.
+ @retval EFI_OUT_OF_RESOURCES Out of resource to create a new transport session.
+ @retval EFI_UNSUPPORTED Protocol is not supported on this transport interface.
+ @retval Otherwise Other errors.
+
+**/
+EFI_STATUS
+AcquireTransportSession (
+ IN EFI_GUID *ManageabilityProtocolSpec,
+ OUT MANAGEABILITY_TRANSPORT_TOKEN **TransportToken
+ )
+{
+ EFI_STATUS Status;
+ MANAGEABILITY_TRANSPORT_MCTP *MctpTransportToken;
+
+ if (ManageabilityProtocolSpec == NULL) {
+ DEBUG ((DEBUG_ERROR, "%a: No Manageability protocol specification specified.\n", __FUNCTION__));
+ return EFI_INVALID_PARAMETER;
+ }
+
+ Status = HelperManageabilityCheckSupportedSpec (
+ &gManageabilityTransportMctpGuid,
+ mSupportedManageabilityProtocol,
+ mNumberOfSupportedProtocol,
+ ManageabilityProtocolSpec
+ );
+ if (EFI_ERROR (Status)) {
+ DEBUG ((DEBUG_ERROR, "%a: Protocol is not supported on this transport interface.\n", __FUNCTION__));
+ return EFI_UNSUPPORTED;
+ }
+
+ if (mSingleSessionToken != NULL) {
+ DEBUG ((DEBUG_ERROR, "%a: This manageability transport library only supports one session transport token.\n", __FUNCTION__));
+ return EFI_OUT_OF_RESOURCES;
+ }
+
+ MctpTransportToken = (MANAGEABILITY_TRANSPORT_MCTP *)AllocateZeroPool (sizeof (MANAGEABILITY_TRANSPORT_MCTP));
+ if (MctpTransportToken == NULL) {
+ DEBUG ((DEBUG_ERROR, "%a: Fail to allocate memory for MANAGEABILITY_TRANSPORT_MCTP\n", __FUNCTION__));
+ return EFI_OUT_OF_RESOURCES;
+ }
+
+ MctpTransportToken->Token.Transport = AllocateZeroPool (sizeof (MANAGEABILITY_TRANSPORT));
+ if (MctpTransportToken->Token.Transport == NULL) {
+ FreePool (MctpTransportToken);
+ DEBUG ((DEBUG_ERROR, "%a: Fail to allocate memory for MANAGEABILITY_TRANSPORT\n", __FUNCTION__));
+ return EFI_OUT_OF_RESOURCES;
+ }
+
+ MctpTransportToken->Signature = MANAGEABILITY_TRANSPORT_MCTP_SIGNATURE;
+ MctpTransportToken->Token.ManageabilityProtocolSpecification = ManageabilityProtocolSpec;
+ MctpTransportToken->Token.Transport->TransportVersion = MANAGEABILITY_TRANSPORT_TOKEN_VERSION;
+ MctpTransportToken->Token.Transport->ManageabilityTransportSpecification = &gManageabilityTransportMctpGuid;
+ MctpTransportToken->Token.Transport->TransportName = L"MCTP";
+ MctpTransportToken->Token.Transport->Function.Version1_0 = AllocateZeroPool (sizeof (MANAGEABILITY_TRANSPORT_FUNCTION_V1_0));
+ if (MctpTransportToken->Token.Transport->Function.Version1_0 == NULL) {
+ DEBUG ((DEBUG_ERROR, "%a: Fail to allocate memory for MANAGEABILITY_TRANSPORT_FUNCTION_V1_0\n", __FUNCTION__));
+ FreePool (MctpTransportToken);
+ FreePool (MctpTransportToken->Token.Transport);
+ return EFI_OUT_OF_RESOURCES;
+ }
+
+ MctpTransportToken->Token.Transport->Function.Version1_0->TransportInit = MctpTransportInit;
+ MctpTransportToken->Token.Transport->Function.Version1_0->TransportReset = MctpTransportReset;
+ MctpTransportToken->Token.Transport->Function.Version1_0->TransportStatus = MctpTransportStatus;
+ MctpTransportToken->Token.Transport->Function.Version1_0->TransportTransmitReceive = MctpTransportTransmitReceive;
+
+ mSingleSessionToken = MctpTransportToken;
+ *TransportToken = &MctpTransportToken->Token;
+ return EFI_SUCCESS;
+}
+
+/**
+ This function returns the transport capabilities according to
+ the manageability protocol.
+
+ @param [in] TransportToken Transport token acquired from manageability
+ transport library.
+ @param [out] TransportFeature Pointer to receive transport capabilities.
+ See the definitions of
+ MANAGEABILITY_TRANSPORT_CAPABILITY.
+ @retval EFI_SUCCESS TransportCapability is returned successfully.
+ @retval EFI_INVALID_PARAMETER TransportToken is not a valid token.
+**/
+EFI_STATUS
+GetTransportCapability (
+ IN MANAGEABILITY_TRANSPORT_TOKEN *TransportToken,
+ OUT MANAGEABILITY_TRANSPORT_CAPABILITY *TransportCapability
+ )
+{
+ if ((TransportToken == NULL) || (TransportCapability == NULL)) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ *TransportCapability = 0;
+ return EFI_SUCCESS;
+}
+
+/**
+ This function releases the manageability session.
+
+ @param [in] TransportToken The transport token acquired through
+ AcquireTransportSession.
+ @retval EFI_SUCCESS Token is released successfully.
+ @retval EFI_INVALID_PARAMETER Invalid TransportToken.
+ @retval Otherwise Other errors.
+
+**/
+EFI_STATUS
+ReleaseTransportSession (
+ IN MANAGEABILITY_TRANSPORT_TOKEN *TransportToken
+ )
+{
+ EFI_STATUS Status;
+ MANAGEABILITY_TRANSPORT_MCTP *MctpTransportToken;
+
+ if (TransportToken == NULL) {
+ Status = EFI_INVALID_PARAMETER;
+ }
+
+ MctpTransportToken = MANAGEABILITY_TRANSPORT_MCTP_FROM_LINK (TransportToken);
+ if (mSingleSessionToken != MctpTransportToken) {
+ Status = EFI_INVALID_PARAMETER;
+ }
+
+ if (MctpTransportToken != NULL) {
+ FreePool (MctpTransportToken->Token.Transport->Function.Version1_0);
+ FreePool (MctpTransportToken->Token.Transport);
+ FreePool (MctpTransportToken);
+ mSingleSessionToken = NULL;
+ Status = EFI_SUCCESS;
+ }
+
+ if (EFI_ERROR (Status)) {
+ DEBUG ((DEBUG_ERROR, "%a: Fail to release MCTP transport token (%r).\n", __FUNCTION__, Status));
+ }
+
+ return Status;
+}
diff --git a/Features/ManageabilityPkg/Library/ManageabilityTransportMctpLib/Dxe/ManageabilityTransportMctp.uni b/Features/ManageabilityPkg/Library/ManageabilityTransportMctpLib/Dxe/ManageabilityTransportMctp.uni
new file mode 100644
index 0000000000..ca8125a4a7
--- /dev/null
+++ b/Features/ManageabilityPkg/Library/ManageabilityTransportMctpLib/Dxe/ManageabilityTransportMctp.uni
@@ -0,0 +1,13 @@
+// /** @file
+// MCTP instance of Manageability Transport Library
+//
+// Copyright (C) 2023 Advanced Micro Devices, Inc. All rights reserved.<BR>
+//
+// SPDX-License-Identifier: BSD-2-Clause-Patent
+//
+// **/
+
+#string STR_MODULE_ABSTRACT #language en-US "MCTP instance of Manageability Transport Library"
+
+#string STR_MODULE_DESCRIPTION #language en-US "MCTP Manageability Transport library implementation."
+
--
2.37.1.windows.1
-=-=-=-=-=-=-=-=-=-=-=-
Groups.io Links: You receive all messages sent to this group.
View/Reply Online (#103364): https://edk2.groups.io/g/devel/message/103364
Mute This Topic: https://groups.io/mt/98404964/1787277
Group Owner: devel+owner@edk2.groups.io
Unsubscribe: https://edk2.groups.io/g/devel/unsub [importer@patchew.org]
-=-=-=-=-=-=-=-=-=-=-=-Reviewed-by: Nickle Wang <nicklew@nvidia.com>
Regards,
Nickle
> -----Original Message-----
> From: abner.chang@amd.com <abner.chang@amd.com>
> Sent: Friday, April 21, 2023 1:23 PM
> To: devel@edk2.groups.io
> Cc: Isaac Oram <isaac.w.oram@intel.com>; Abdul Lateef Attar
> <abdattar@amd.com>; Nickle Wang <nicklew@nvidia.com>; Igor Kulchytskyy
> <igork@ami.com>
> Subject: [edk2-platforms][PATCH V3 10/14] ManageabilityPkg: Add MCTP
> transport interface
>
> External email: Use caution opening links or attachments
>
>
> From: Abner Chang <abner.chang@amd.com>
>
> Add MCTP manageability transport interface library.
>
> The functionality is verified by checking the binary
> debug output of payload.
>
> Signed-off-by: Abner Chang <abner.chang@amd.com>
> Cc: Isaac Oram <isaac.w.oram@intel.com>
> Cc: Abdul Lateef Attar <abdattar@amd.com>
> Cc: Nickle Wang <nicklew@nvidia.com>
> Cc: Igor Kulchytskyy <igork@ami.com>
> ---
> .../ManageabilityPkg/ManageabilityPkg.dsc | 1 +
> .../Dxe/DxeManageabilityTransportMctp.inf | 44 +++
> .../Dxe/ManageabilityTransportMctp.h | 26 ++
> .../Dxe/ManageabilityTransportMctp.c | 367 ++++++++++++++++++
> .../Dxe/ManageabilityTransportMctp.uni | 13 +
> 5 files changed, 451 insertions(+)
> create mode 100644
> Features/ManageabilityPkg/Library/ManageabilityTransportMctpLib/Dxe/DxeM
> anageabilityTransportMctp.inf
> create mode 100644
> Features/ManageabilityPkg/Library/ManageabilityTransportMctpLib/Dxe/Mana
> geabilityTransportMctp.h
> create mode 100644
> Features/ManageabilityPkg/Library/ManageabilityTransportMctpLib/Dxe/Mana
> geabilityTransportMctp.c
> create mode 100644
> Features/ManageabilityPkg/Library/ManageabilityTransportMctpLib/Dxe/Mana
> geabilityTransportMctp.uni
>
> diff --git a/Features/ManageabilityPkg/ManageabilityPkg.dsc
> b/Features/ManageabilityPkg/ManageabilityPkg.dsc
> index 412029ef6c..959b3eabd2 100644
> --- a/Features/ManageabilityPkg/ManageabilityPkg.dsc
> +++ b/Features/ManageabilityPkg/ManageabilityPkg.dsc
> @@ -37,6 +37,7 @@
>
> [Components]
>
> ManageabilityPkg/Library/ManageabilityTransportKcsLib/Dxe/DxeManageability
> TransportKcs.inf
> +
> ManageabilityPkg/Library/ManageabilityTransportMctpLib/Dxe/DxeManageabili
> tyTransportMctp.inf
> ManageabilityPkg/Library/PldmProtocolLibrary/Dxe/PldmProtocolLib.inf
>
> [LibraryClasses]
> diff --git
> a/Features/ManageabilityPkg/Library/ManageabilityTransportMctpLib/Dxe/Dxe
> ManageabilityTransportMctp.inf
> b/Features/ManageabilityPkg/Library/ManageabilityTransportMctpLib/Dxe/Dxe
> ManageabilityTransportMctp.inf
> new file mode 100644
> index 0000000000..22ea37c516
> --- /dev/null
> +++
> b/Features/ManageabilityPkg/Library/ManageabilityTransportMctpLib/Dxe/Dxe
> ManageabilityTransportMctp.inf
> @@ -0,0 +1,44 @@
> +## @file
> +# MCTP instance of Manageability Transport Library
> +#
> +# Copyright (C) 2023 Advanced Micro Devices, Inc. All rights reserved.<BR>
> +# SPDX-License-Identifier: BSD-2-Clause-Patent
> +#
> +##
> +
> +[Defines]
> + INF_VERSION = 0x0001001B
> + BASE_NAME = DxeManageabilityTransportMctp
> + MODULE_UNI_FILE = ManageabilityTransportMctp.uni
> + FILE_GUID = 7770FA0F-4808-47BD-89F4-717185332486
> + MODULE_TYPE = DXE_DRIVER
> + VERSION_STRING = 1.0
> + LIBRARY_CLASS = ManageabilityTransportLib
> +
> +#
> +# VALID_ARCHITECTURES = IA32 X64 ARM AARCH64
> +#
> +
> +[Sources]
> + ManageabilityTransportMctp.c
> + ManageabilityTransportMctp.h
> +
> +[Packages]
> + ManageabilityPkg/ManageabilityPkg.dec
> + MdePkg/MdePkg.dec
> +
> +[LibraryClasses]
> + DebugLib
> + MemoryAllocationLib
> + UefiBootServicesTableLib
> +
> +[Protocols]
> + gEdkiiMctpProtocolGuid
> +
> +[Guids]
> + gManageabilityProtocolPldmGuid
> + gManageabilityTransportMctpGuid
> +
> +[Depex]
> + gEdkiiMctpProtocolGuid ## ALWAYS_CONSUMES
> +
> diff --git
> a/Features/ManageabilityPkg/Library/ManageabilityTransportMctpLib/Dxe/Ma
> nageabilityTransportMctp.h
> b/Features/ManageabilityPkg/Library/ManageabilityTransportMctpLib/Dxe/Ma
> nageabilityTransportMctp.h
> new file mode 100644
> index 0000000000..1ce0d3a8bc
> --- /dev/null
> +++
> b/Features/ManageabilityPkg/Library/ManageabilityTransportMctpLib/Dxe/Ma
> nageabilityTransportMctp.h
> @@ -0,0 +1,26 @@
> +/** @file
> +
> + Manageability transport MCTP internal used definitions.
> +
> + Copyright (C) 2023 Advanced Micro Devices, Inc. All rights reserved.<BR>
> + SPDX-License-Identifier: BSD-2-Clause-Patent
> +**/
> +
> +#ifndef MANAGEABILITY_TRANSPORT_MCTP_LIB_INTERNAL_H_
> +#define MANAGEABILITY_TRANSPORT_MCTP_LIB_INTERNAL_H_
> +
> +#include <Library/ManageabilityTransportLib.h>
> +
> +#define MANAGEABILITY_TRANSPORT_MCTP_SIGNATURE SIGNATURE_32
> ('M', 'T', 'M', 'C')
> +
> +///
> +/// Manageability transport KCS internal data structure.
> +///
> +typedef struct {
> + UINTN Signature;
> + MANAGEABILITY_TRANSPORT_TOKEN Token;
> +} MANAGEABILITY_TRANSPORT_MCTP;
> +
> +#define MANAGEABILITY_TRANSPORT_MCTP_FROM_LINK(a) CR (a,
> MANAGEABILITY_TRANSPORT_MCTP, Token,
> MANAGEABILITY_TRANSPORT_MCTP_SIGNATURE)
> +
> +#endif // MANAGEABILITY_TRANSPORT_MCTP_LIB_INTERNAL_H_
> diff --git
> a/Features/ManageabilityPkg/Library/ManageabilityTransportMctpLib/Dxe/Ma
> nageabilityTransportMctp.c
> b/Features/ManageabilityPkg/Library/ManageabilityTransportMctpLib/Dxe/Ma
> nageabilityTransportMctp.c
> new file mode 100644
> index 0000000000..eaf02bbb0a
> --- /dev/null
> +++
> b/Features/ManageabilityPkg/Library/ManageabilityTransportMctpLib/Dxe/Ma
> nageabilityTransportMctp.c
> @@ -0,0 +1,367 @@
> +/** @file
> +
> + MCTP instance of Manageability Transport Library
> +
> + Copyright (C) 2023 Advanced Micro Devices, Inc. All rights reserved.<BR>
> + SPDX-License-Identifier: BSD-2-Clause-Patent
> +
> +*/
> +
> +#include <Uefi.h>
> +#include <Library/IoLib.h>
> +#include <Library/DebugLib.h>
> +#include <Library/MemoryAllocationLib.h>
> +#include <Library/ManageabilityTransportLib.h>
> +#include <Library/ManageabilityTransportMctpLib.h>
> +#include <Library/ManageabilityTransportHelperLib.h>
> +#include <Library/UefiBootServicesTableLib.h>
> +#include <Protocol/MctpProtocol.h>
> +
> +#include "ManageabilityTransportMctp.h"
> +
> +MANAGEABILITY_TRANSPORT_MCTP *mSingleSessionToken = NULL;
> +EDKII_MCTP_PROTOCOL *mMctpProtocol = NULL;
> +
> +EFI_GUID *mSupportedManageabilityProtocol[] = {
> + &gManageabilityProtocolPldmGuid
> +};
> +
> +UINT8 mNumberOfSupportedProtocol = (sizeof
> (mSupportedManageabilityProtocol)/sizeof (EFI_GUID *));
> +
> +/**
> + This function initializes the transport interface.
> +
> + @param [in] TransportToken The transport token acquired through
> + AcquireTransportSession function.
> + @param [in] HardwareInfo The hardware information
> + assigned to MCTP transport interface.
> +
> + @retval EFI_SUCCESS Transport interface is initialized
> + successfully.
> + @retval EFI_INVALID_PARAMETER The invalid transport token.
> + @retval EFI_NOT_READY The transport interface works fine but
> + @retval is not ready.
> + @retval EFI_DEVICE_ERROR The transport interface has problems.
> + @retval EFI_ALREADY_STARTED Teh protocol interface has already
> initialized.
> + @retval Otherwise Other errors.
> +
> +**/
> +EFI_STATUS
> +EFIAPI
> +MctpTransportInit (
> + IN MANAGEABILITY_TRANSPORT_TOKEN *TransportToken,
> + IN MANAGEABILITY_TRANSPORT_HARDWARE_INFORMATION HardwareInfo
> OPTIONAL
> + )
> +{
> + return EFI_SUCCESS;
> +}
> +
> +/**
> + This function returns the transport interface status.
> + The generic EFI_STATUS is returned to caller directly, The additional
> + information of transport interface could be optionally returned in
> + TransportAdditionalStatus to describes the status that can't be
> + described obviously through EFI_STATUS.
> + See the definition of MANAGEABILITY_TRANSPORT_STATUS.
> +
> + @param [in] TransportToken The transport token acquired through
> + AcquireTransportSession function.
> + @param [out] TransportAdditionalStatus The additional status of transport
> + interface.
> + NULL means no additional status of this
> + transport interface.
> +
> + @retval EFI_SUCCESS Transport interface status is returned.
> + @retval EFI_INVALID_PARAMETER The invalid transport token.
> + @retval EFI_DEVICE_ERROR The transport interface has problems to
> return
> + @retval EFI_UNSUPPORTED The transport interface doesn't have
> status report.
> + Otherwise Other errors.
> +
> +**/
> +EFI_STATUS
> +EFIAPI
> +MctpTransportStatus (
> + IN MANAGEABILITY_TRANSPORT_TOKEN *TransportToken,
> + OUT MANAGEABILITY_TRANSPORT_ADDITIONAL_STATUS
> *TransportAdditionalStatus OPTIONAL
> + )
> +{
> + if (TransportToken == NULL) {
> + DEBUG ((DEBUG_ERROR, "%a: Invalid transport token.\n", __FUNCTION__));
> + return EFI_INVALID_PARAMETER;
> + }
> +
> + if (TransportAdditionalStatus != NULL) {
> + *TransportAdditionalStatus =
> MANAGEABILITY_TRANSPORT_ADDITIONAL_STATUS_NO_ERRORS;
> + }
> +
> + return EFI_SUCCESS;
> +}
> +
> +/**
> + This function resets the transport interface.
> + The generic EFI_STATUS is returned to caller directly after reseting transport
> + interface. The additional information of transport interface could be
> optionally
> + returned in TransportAdditionalStatus to describes the status that can't be
> + described obviously through EFI_STATUS.
> + See the definition of MANAGEABILITY_TRANSPORT_ADDITIONAL_STATUS.
> +
> + @param [in] TransportToken The transport token acquired through
> + AcquireTransportSession function.
> + @param [out] TransportAdditionalStatus The additional status of specific
> transport
> + interface after the reset.
> + NULL means no additional status of this
> + transport interface.
> +
> + @retval EFI_SUCCESS Transport interface status is returned.
> + @retval EFI_INVALID_PARAMETER The invalid transport token.
> + @retval EFI_TIMEOUT The reset process is time out.
> + @retval EFI_DEVICE_ERROR The transport interface has problems to
> return
> + status.
> + Otherwise Other errors.
> +
> +**/
> +EFI_STATUS
> +EFIAPI
> +MctpTransportReset (
> + IN MANAGEABILITY_TRANSPORT_TOKEN *TransportToken,
> + OUT MANAGEABILITY_TRANSPORT_ADDITIONAL_STATUS
> *TransportAdditionalStatus OPTIONAL
> + )
> +{
> + if (TransportAdditionalStatus != NULL) {
> + *TransportAdditionalStatus =
> MANAGEABILITY_TRANSPORT_ADDITIONAL_STATUS_NOT_AVAILABLE;
> + }
> +
> + return EFI_UNSUPPORTED;
> +}
> +
> +/**
> + This function transmit the request over target transport interface.
> + The generic EFI_STATUS is returned to caller directly after reseting transport
> + interface. The additional information of transport interface could be
> optionally
> + returned in TransportAdditionalStatus to describes the status that can't be
> + described obviously through EFI_STATUS.
> + See the definition of MANAGEABILITY_TRANSPORT_ADDITIONAL_STATUS.
> +
> + @param [in] TransportToken The transport token acquired through
> + AcquireTransportSession function.
> + @param [in] TransferToken The transfer token, see the definition of
> + MANAGEABILITY_TRANSFER_TOKEN.
> +
> + @retval The EFI status is returned in MANAGEABILITY_TRANSFER_TOKEN.
> +
> +**/
> +VOID
> +EFIAPI
> +MctpTransportTransmitReceive (
> + IN MANAGEABILITY_TRANSPORT_TOKEN *TransportToken,
> + IN MANAGEABILITY_TRANSFER_TOKEN *TransferToken
> + )
> +{
> + EFI_STATUS Status;
> + MANAGEABILITY_MCTP_TRANSPORT_HEADER *TransmitHeader;
> +
> + if (TransportToken == NULL) {
> + DEBUG ((DEBUG_ERROR, "%a: Invalid transport token.\n", __FUNCTION__));
> + TransferToken->TransportAdditionalStatus =
> MANAGEABILITY_TRANSPORT_ADDITIONAL_STATUS_NOT_AVAILABLE;
> + return;
> + }
> +
> + TransmitHeader = (MANAGEABILITY_MCTP_TRANSPORT_HEADER
> *)TransferToken->TransmitHeader;
> + if (TransmitHeader == NULL) {
> + TransferToken->TransferStatus = EFI_INVALID_PARAMETER;
> + TransferToken->TransportAdditionalStatus =
> MANAGEABILITY_TRANSPORT_ADDITIONAL_STATUS_NOT_AVAILABLE;
> + return;
> + }
> +
> + if (mMctpProtocol == NULL) {
> + Status = gBS->LocateProtocol (
> + &gEdkiiMctpProtocolGuid,
> + NULL,
> + (VOID **)&mMctpProtocol
> + );
> + if (EFI_ERROR (Status)) {
> + //
> + // Dxe MCTP Protocol is not installed.
> + //
> + DEBUG ((DEBUG_ERROR, "%a: EDKII MCTP protocol is not found - %r\n",
> __FUNCTION__, Status));
> + return;
> + }
> + }
> +
> + DEBUG ((
> + DEBUG_MANAGEABILITY_INFO,
> + "%a: MCTP message type: 0x%x, SourceEndpointId: 0x%x,
> DestinationEndpointId: 0x%x\n",
> + __FUNCTION__,
> + TransmitHeader->MessageHeader.MessageType,
> + TransmitHeader->SourceEndpointId,
> + TransmitHeader->DestinationEndpointId
> + ));
> + DEBUG ((
> + DEBUG_MANAGEABILITY_INFO,
> + " - Request message size: 0x%x, Response message size: %x\n",
> + TransferToken->TransmitPackage.TransmitSizeInByte,
> + TransferToken->ReceivePackage.ReceiveSizeInByte
> + ));
> + Status = mMctpProtocol->Functions.Version1_0->MctpSubmitCommand (
> + mMctpProtocol,
> + TransmitHeader->MessageHeader.MessageType,
> + TransmitHeader->SourceEndpointId,
> + TransmitHeader->DestinationEndpointId,
> + (BOOLEAN)TransmitHeader-
> >MessageHeader.IntegrityCheck,
> + TransferToken->TransmitPackage.TransmitPayload,
> + TransferToken-
> >TransmitPackage.TransmitSizeInByte,
> + TransferToken-
> >TransmitPackage.TransmitTimeoutInMillisecond,
> + TransferToken->ReceivePackage.ReceiveBuffer,
> + &TransferToken-
> >ReceivePackage.ReceiveSizeInByte,
> + TransferToken-
> >ReceivePackage.TransmitTimeoutInMillisecond,
> + &TransferToken->TransportAdditionalStatus
> + );
> + TransferToken->TransferStatus = Status;
> +}
> +
> +/**
> + This function acquires to create a transport session to transmit manageability
> + packet. A transport token is returned to caller for the follow up operations.
> +
> + @param [in] ManageabilityProtocolSpec The protocol spec the transport
> interface is acquired.
> + @param [out] TransportToken The pointer to receive the transport
> token created by
> + the target transport interface library.
> + @retval EFI_SUCCESS Token is created successfully.
> + @retval EFI_OUT_OF_RESOURCES Out of resource to create a new
> transport session.
> + @retval EFI_UNSUPPORTED Protocol is not supported on this
> transport interface.
> + @retval Otherwise Other errors.
> +
> +**/
> +EFI_STATUS
> +AcquireTransportSession (
> + IN EFI_GUID *ManageabilityProtocolSpec,
> + OUT MANAGEABILITY_TRANSPORT_TOKEN **TransportToken
> + )
> +{
> + EFI_STATUS Status;
> + MANAGEABILITY_TRANSPORT_MCTP *MctpTransportToken;
> +
> + if (ManageabilityProtocolSpec == NULL) {
> + DEBUG ((DEBUG_ERROR, "%a: No Manageability protocol specification
> specified.\n", __FUNCTION__));
> + return EFI_INVALID_PARAMETER;
> + }
> +
> + Status = HelperManageabilityCheckSupportedSpec (
> + &gManageabilityTransportMctpGuid,
> + mSupportedManageabilityProtocol,
> + mNumberOfSupportedProtocol,
> + ManageabilityProtocolSpec
> + );
> + if (EFI_ERROR (Status)) {
> + DEBUG ((DEBUG_ERROR, "%a: Protocol is not supported on this transport
> interface.\n", __FUNCTION__));
> + return EFI_UNSUPPORTED;
> + }
> +
> + if (mSingleSessionToken != NULL) {
> + DEBUG ((DEBUG_ERROR, "%a: This manageability transport library only
> supports one session transport token.\n", __FUNCTION__));
> + return EFI_OUT_OF_RESOURCES;
> + }
> +
> + MctpTransportToken = (MANAGEABILITY_TRANSPORT_MCTP
> *)AllocateZeroPool (sizeof (MANAGEABILITY_TRANSPORT_MCTP));
> + if (MctpTransportToken == NULL) {
> + DEBUG ((DEBUG_ERROR, "%a: Fail to allocate memory for
> MANAGEABILITY_TRANSPORT_MCTP\n", __FUNCTION__));
> + return EFI_OUT_OF_RESOURCES;
> + }
> +
> + MctpTransportToken->Token.Transport = AllocateZeroPool (sizeof
> (MANAGEABILITY_TRANSPORT));
> + if (MctpTransportToken->Token.Transport == NULL) {
> + FreePool (MctpTransportToken);
> + DEBUG ((DEBUG_ERROR, "%a: Fail to allocate memory for
> MANAGEABILITY_TRANSPORT\n", __FUNCTION__));
> + return EFI_OUT_OF_RESOURCES;
> + }
> +
> + MctpTransportToken->Signature =
> MANAGEABILITY_TRANSPORT_MCTP_SIGNATURE;
> + MctpTransportToken->Token.ManageabilityProtocolSpecification =
> ManageabilityProtocolSpec;
> + MctpTransportToken->Token.Transport->TransportVersion =
> MANAGEABILITY_TRANSPORT_TOKEN_VERSION;
> + MctpTransportToken->Token.Transport-
> >ManageabilityTransportSpecification = &gManageabilityTransportMctpGuid;
> + MctpTransportToken->Token.Transport->TransportName =
> L"MCTP";
> + MctpTransportToken->Token.Transport->Function.Version1_0 =
> AllocateZeroPool (sizeof (MANAGEABILITY_TRANSPORT_FUNCTION_V1_0));
> + if (MctpTransportToken->Token.Transport->Function.Version1_0 == NULL) {
> + DEBUG ((DEBUG_ERROR, "%a: Fail to allocate memory for
> MANAGEABILITY_TRANSPORT_FUNCTION_V1_0\n", __FUNCTION__));
> + FreePool (MctpTransportToken);
> + FreePool (MctpTransportToken->Token.Transport);
> + return EFI_OUT_OF_RESOURCES;
> + }
> +
> + MctpTransportToken->Token.Transport->Function.Version1_0->TransportInit
> = MctpTransportInit;
> + MctpTransportToken->Token.Transport->Function.Version1_0-
> >TransportReset = MctpTransportReset;
> + MctpTransportToken->Token.Transport->Function.Version1_0-
> >TransportStatus = MctpTransportStatus;
> + MctpTransportToken->Token.Transport->Function.Version1_0-
> >TransportTransmitReceive = MctpTransportTransmitReceive;
> +
> + mSingleSessionToken = MctpTransportToken;
> + *TransportToken = &MctpTransportToken->Token;
> + return EFI_SUCCESS;
> +}
> +
> +/**
> + This function returns the transport capabilities according to
> + the manageability protocol.
> +
> + @param [in] TransportToken Transport token acquired from
> manageability
> + transport library.
> + @param [out] TransportFeature Pointer to receive transport capabilities.
> + See the definitions of
> + MANAGEABILITY_TRANSPORT_CAPABILITY.
> + @retval EFI_SUCCESS TransportCapability is returned successfully.
> + @retval EFI_INVALID_PARAMETER TransportToken is not a valid token.
> +**/
> +EFI_STATUS
> +GetTransportCapability (
> + IN MANAGEABILITY_TRANSPORT_TOKEN *TransportToken,
> + OUT MANAGEABILITY_TRANSPORT_CAPABILITY *TransportCapability
> + )
> +{
> + if ((TransportToken == NULL) || (TransportCapability == NULL)) {
> + return EFI_INVALID_PARAMETER;
> + }
> +
> + *TransportCapability = 0;
> + return EFI_SUCCESS;
> +}
> +
> +/**
> + This function releases the manageability session.
> +
> + @param [in] TransportToken The transport token acquired through
> + AcquireTransportSession.
> + @retval EFI_SUCCESS Token is released successfully.
> + @retval EFI_INVALID_PARAMETER Invalid TransportToken.
> + @retval Otherwise Other errors.
> +
> +**/
> +EFI_STATUS
> +ReleaseTransportSession (
> + IN MANAGEABILITY_TRANSPORT_TOKEN *TransportToken
> + )
> +{
> + EFI_STATUS Status;
> + MANAGEABILITY_TRANSPORT_MCTP *MctpTransportToken;
> +
> + if (TransportToken == NULL) {
> + Status = EFI_INVALID_PARAMETER;
> + }
> +
> + MctpTransportToken = MANAGEABILITY_TRANSPORT_MCTP_FROM_LINK
> (TransportToken);
> + if (mSingleSessionToken != MctpTransportToken) {
> + Status = EFI_INVALID_PARAMETER;
> + }
> +
> + if (MctpTransportToken != NULL) {
> + FreePool (MctpTransportToken->Token.Transport->Function.Version1_0);
> + FreePool (MctpTransportToken->Token.Transport);
> + FreePool (MctpTransportToken);
> + mSingleSessionToken = NULL;
> + Status = EFI_SUCCESS;
> + }
> +
> + if (EFI_ERROR (Status)) {
> + DEBUG ((DEBUG_ERROR, "%a: Fail to release MCTP transport token (%r).\n",
> __FUNCTION__, Status));
> + }
> +
> + return Status;
> +}
> diff --git
> a/Features/ManageabilityPkg/Library/ManageabilityTransportMctpLib/Dxe/Ma
> nageabilityTransportMctp.uni
> b/Features/ManageabilityPkg/Library/ManageabilityTransportMctpLib/Dxe/Ma
> nageabilityTransportMctp.uni
> new file mode 100644
> index 0000000000..ca8125a4a7
> --- /dev/null
> +++
> b/Features/ManageabilityPkg/Library/ManageabilityTransportMctpLib/Dxe/Ma
> nageabilityTransportMctp.uni
> @@ -0,0 +1,13 @@
> +// /** @file
> +// MCTP instance of Manageability Transport Library
> +//
> +// Copyright (C) 2023 Advanced Micro Devices, Inc. All rights reserved.<BR>
> +//
> +// SPDX-License-Identifier: BSD-2-Clause-Patent
> +//
> +// **/
> +
> +#string STR_MODULE_ABSTRACT #language en-US "MCTP instance of
> Manageability Transport Library"
> +
> +#string STR_MODULE_DESCRIPTION #language en-US "MCTP
> Manageability Transport library implementation."
> +
> --
> 2.37.1.windows.1
-=-=-=-=-=-=-=-=-=-=-=-
Groups.io Links: You receive all messages sent to this group.
View/Reply Online (#103504): https://edk2.groups.io/g/devel/message/103504
Mute This Topic: https://groups.io/mt/98404964/1787277
Group Owner: devel+owner@edk2.groups.io
Unsubscribe: https://edk2.groups.io/g/devel/unsub [importer@patchew.org]
-=-=-=-=-=-=-=-=-=-=-=-
© 2016 - 2026 Red Hat, Inc.