[edk2-devel] [edk2-platforms][PATCH V3 02/14] ManageabilityPkg: Support Maximum Transfer Unit
Tinh Nguyen via groups.io
tinhnguyen=os.amperecomputing.com at groups.io
Fri Apr 21 07:13:54 UTC 2023
Reviewed-by: Tinh Nguyen <tinhnguyen at os.amperecomputing.com>
On 4/21/2023 12:22 PM, Chang, Abner via groups.io wrote:
> From: Abner Chang <abner.chang at amd.com>
>
> Update GetTransportCapability to support
> Maximum Transfer Unit (MTU) of transport interface.
>
> Signed-off-by: Abner Chang <abner.chang at amd.com>
> Cc: Isaac Oram <isaac.w.oram at intel.com>
> Cc: Abdul Lateef Attar <abdattar at amd.com>
> Cc: Nickle Wang <nicklew at nvidia.com>
> Cc: Igor Kulchytskyy <igork at ami.com>
> Reviewed-by: Abdul Lateef Attar <abdattar at amd.com>
> Reviewed-by: Nickle Wang <nicklew at nvidia.com>
> ---
> .../Library/ManageabilityTransportLib.h | 33 ++++++++---
> .../Common/ManageabilityTransportKcs.h | 2 +
> .../IpmiProtocol/Pei/IpmiPpiInternal.h | 8 ++-
> .../BaseManageabilityTransportNull.c | 18 ++++--
> .../Dxe/ManageabilityTransportKcs.c | 57 +++++++++++--------
> .../Universal/IpmiProtocol/Dxe/IpmiProtocol.c | 24 ++++++--
> .../Universal/IpmiProtocol/Pei/IpmiPpi.c | 51 ++++++++++-------
> .../Universal/IpmiProtocol/Smm/IpmiProtocol.c | 24 ++++++--
> 8 files changed, 145 insertions(+), 72 deletions(-)
>
> diff --git a/Features/ManageabilityPkg/Include/Library/ManageabilityTransportLib.h b/Features/ManageabilityPkg/Include/Library/ManageabilityTransportLib.h
> index c022b4ac5c..d86d0d87d5 100644
> --- a/Features/ManageabilityPkg/Include/Library/ManageabilityTransportLib.h
> +++ b/Features/ManageabilityPkg/Include/Library/ManageabilityTransportLib.h
> @@ -14,6 +14,9 @@
> #define MANAGEABILITY_TRANSPORT_TOKEN_VERSION ((MANAGEABILITY_TRANSPORT_TOKEN_VERSION_MAJOR << 8) |\
> MANAGEABILITY_TRANSPORT_TOKEN_VERSION_MINOR)
>
> +#define MANAGEABILITY_TRANSPORT_PAYLOAD_SIZE_FROM_CAPABILITY(a) (1 << ((a & MANAGEABILITY_TRANSPORT_CAPABILITY_MAXIMUM_PAYLOAD_MASK) >>\
> + MANAGEABILITY_TRANSPORT_CAPABILITY_MAXIMUM_PAYLOAD_BIT_POSITION))
> +
> typedef struct _MANAGEABILITY_TRANSPORT_FUNCTION_V1_0 MANAGEABILITY_TRANSPORT_FUNCTION_V1_0;
> typedef struct _MANAGEABILITY_TRANSPORT MANAGEABILITY_TRANSPORT;
> typedef struct _MANAGEABILITY_TRANSPORT_TOKEN MANAGEABILITY_TRANSPORT_TOKEN;
> @@ -68,8 +71,17 @@ typedef UINT32 MANAGEABILITY_TRANSPORT_ADDITIONAL_STATUS;
> /// Additional transport interface features.
> ///
> typedef UINT32 MANAGEABILITY_TRANSPORT_CAPABILITY;
> +/// Bit 0
> #define MANAGEABILITY_TRANSPORT_CAPABILITY_MULTIPLE_TRANSFER_TOKENS 0x00000001
> -#define MANAGEABILITY_TRANSPORT_CAPABILITY_ASYNCHRONOUS_TRANSFER 0x00000002
> +/// Bit 1
> +#define MANAGEABILITY_TRANSPORT_CAPABILITY_ASYNCHRONOUS_TRANSFER 0x00000002
> +/// Bit 2 - Reserved
> +/// Bit 7:3 - Transport interface maximum payload size, which is (2 ^ bit[7:3] - 1)
> +/// bit[7:3] means no maximum payload.
> +#define MANAGEABILITY_TRANSPORT_CAPABILITY_MAXIMUM_PAYLOAD_MASK 0x000000f8
> +#define MANAGEABILITY_TRANSPORT_CAPABILITY_MAXIMUM_PAYLOAD_BIT_POSITION 3
> +#define MANAGEABILITY_TRANSPORT_CAPABILITY_MAXIMUM_PAYLOAD_NOT_AVAILABLE 0x00
> +/// Bit 8:31 - Reserved
>
> ///
> /// Definitions of Manageability transport interface functions.
> @@ -187,15 +199,20 @@ AcquireTransportSession (
> );
>
> /**
> - This function returns the transport capabilities.
> -
> - @param [out] TransportFeature Pointer to receive transport capabilities.
> - See the definitions of
> - MANAGEABILITY_TRANSPORT_CAPABILITY.
> -
> + 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.
> **/
> -VOID
> +EFI_STATUS
> GetTransportCapability (
> + IN MANAGEABILITY_TRANSPORT_TOKEN *TransportToken,
> OUT MANAGEABILITY_TRANSPORT_CAPABILITY *TransportCapability
> );
>
> diff --git a/Features/ManageabilityPkg/Library/ManageabilityTransportKcsLib/Common/ManageabilityTransportKcs.h b/Features/ManageabilityPkg/Library/ManageabilityTransportKcsLib/Common/ManageabilityTransportKcs.h
> index f1758ffd8f..2cdf60ba7e 100644
> --- a/Features/ManageabilityPkg/Library/ManageabilityTransportKcsLib/Common/ManageabilityTransportKcs.h
> +++ b/Features/ManageabilityPkg/Library/ManageabilityTransportKcsLib/Common/ManageabilityTransportKcs.h
> @@ -32,6 +32,8 @@ typedef struct {
> #define IPMI_KCS_GET_STATE(s) (s >> 6)
> #define IPMI_KCS_SET_STATE(s) (s << 6)
>
> +#define MCTP_KCS_MTU_IN_POWER_OF_2 8
> +
> /// 5 sec, according to IPMI spec
> #define IPMI_KCS_TIMEOUT_5_SEC 5000*1000
> #define IPMI_KCS_TIMEOUT_1MS 1000
> diff --git a/Features/ManageabilityPkg/Universal/IpmiProtocol/Pei/IpmiPpiInternal.h b/Features/ManageabilityPkg/Universal/IpmiProtocol/Pei/IpmiPpiInternal.h
> index bbe0c8c5cb..4b6bdc97a9 100644
> --- a/Features/ManageabilityPkg/Universal/IpmiProtocol/Pei/IpmiPpiInternal.h
> +++ b/Features/ManageabilityPkg/Universal/IpmiProtocol/Pei/IpmiPpiInternal.h
> @@ -17,9 +17,11 @@
> #define MANAGEABILITY_IPMI_PPI_INTERNAL_FROM_LINK(a) CR (a, PEI_IPMI_PPI_INTERNAL, PeiIpmiPpi, MANAGEABILITY_IPMI_PPI_INTERNAL_SIGNATURE)
>
> typedef struct {
> - UINT32 Signature;
> - MANAGEABILITY_TRANSPORT_TOKEN *TransportToken;
> - PEI_IPMI_PPI PeiIpmiPpi;
> + UINT32 Signature;
> + MANAGEABILITY_TRANSPORT_TOKEN *TransportToken;
> + MANAGEABILITY_TRANSPORT_CAPABILITY TransportCapability;
> + UINT32 TransportMaximumPayload;
> + PEI_IPMI_PPI PeiIpmiPpi;
> } PEI_IPMI_PPI_INTERNAL;
>
> #endif // MANAGEABILITY_IPMI_PPI_INTERNAL_H_
> diff --git a/Features/ManageabilityPkg/Library/BaseManageabilityTransportNullLib/BaseManageabilityTransportNull.c b/Features/ManageabilityPkg/Library/BaseManageabilityTransportNullLib/BaseManageabilityTransportNull.c
> index 49fc8c0f71..3aa68578a6 100644
> --- a/Features/ManageabilityPkg/Library/BaseManageabilityTransportNullLib/BaseManageabilityTransportNull.c
> +++ b/Features/ManageabilityPkg/Library/BaseManageabilityTransportNullLib/BaseManageabilityTransportNull.c
> @@ -31,19 +31,25 @@ AcquireTransportSession (
> }
>
> /**
> - This function returns the transport capabilities.
> -
> - @param [out] TransportFeature Pointer to receive transport capabilities.
> - See the definitions of
> - MANAGEABILITY_TRANSPORT_CAPABILITY.
> + 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.
> **/
> -VOID
> +EFI_STATUS
> GetTransportCapability (
> + IN MANAGEABILITY_TRANSPORT_TOKEN *TransportToken,
> OUT MANAGEABILITY_TRANSPORT_CAPABILITY *TransportCapability
> )
> {
> *TransportCapability = 0;
> + return EFI_SUCCESS;
> }
>
> /**
> diff --git a/Features/ManageabilityPkg/Library/ManageabilityTransportKcsLib/Dxe/ManageabilityTransportKcs.c b/Features/ManageabilityPkg/Library/ManageabilityTransportKcsLib/Dxe/ManageabilityTransportKcs.c
> index ab416e5449..7d85378fc1 100644
> --- a/Features/ManageabilityPkg/Library/ManageabilityTransportKcsLib/Dxe/ManageabilityTransportKcs.c
> +++ b/Features/ManageabilityPkg/Library/ManageabilityTransportKcsLib/Dxe/ManageabilityTransportKcs.c
> @@ -62,7 +62,7 @@ KcsTransportInit (
> }
>
> if (HardwareInfo.Kcs == NULL) {
> - DEBUG ((DEBUG_INFO, "%a: Hardware information is not provided, use dfault settings.\n", __FUNCTION__));
> + DEBUG ((DEBUG_MANAGEABILITY_INFO, "%a: Hardware information is not provided, use dfault settings.\n", __FUNCTION__));
> mKcsHardwareInfo.MemoryMap = MANAGEABILITY_TRANSPORT_KCS_IO_MAP_IO;
> mKcsHardwareInfo.IoBaseAddress.IoAddress16 = PcdGet16 (PcdIpmiKcsIoBaseAddress);
> mKcsHardwareInfo.IoDataInAddress.IoAddress16 = mKcsHardwareInfo.IoBaseAddress.IoAddress16 + IPMI_KCS_DATA_IN_REGISTER_OFFSET;
> @@ -81,21 +81,21 @@ KcsTransportInit (
> // Get protocol specification name.
> ManageabilityProtocolName = HelperManageabilitySpecName (TransportToken->ManageabilityProtocolSpecification);
>
> - DEBUG ((DEBUG_INFO, "%a: KCS transport hardware for %s is:\n", __FUNCTION__, ManageabilityProtocolName));
> + DEBUG ((DEBUG_MANAGEABILITY_INFO, "%a: KCS transport hardware for %s is:\n", __FUNCTION__, ManageabilityProtocolName));
> if (mKcsHardwareInfo.MemoryMap) {
> - DEBUG ((DEBUG_INFO, "Memory Map I/O\n", __FUNCTION__));
> - DEBUG ((DEBUG_INFO, "Base Memory Address : 0x%08x\n", mKcsHardwareInfo.IoBaseAddress.IoAddress32));
> - DEBUG ((DEBUG_INFO, "Data in Address : 0x%08x\n", mKcsHardwareInfo.IoDataInAddress.IoAddress32));
> - DEBUG ((DEBUG_INFO, "Data out Address : 0x%08x\n", mKcsHardwareInfo.IoDataOutAddress.IoAddress32));
> - DEBUG ((DEBUG_INFO, "Command Address : 0x%08x\n", mKcsHardwareInfo.IoCommandAddress.IoAddress32));
> - DEBUG ((DEBUG_INFO, "Status Address : 0x%08x\n", mKcsHardwareInfo.IoStatusAddress.IoAddress32));
> + DEBUG ((DEBUG_MANAGEABILITY_INFO, "Memory Map I/O\n", __FUNCTION__));
> + DEBUG ((DEBUG_MANAGEABILITY_INFO, "Base Memory Address : 0x%08x\n", mKcsHardwareInfo.IoBaseAddress.IoAddress32));
> + DEBUG ((DEBUG_MANAGEABILITY_INFO, "Data in Address : 0x%08x\n", mKcsHardwareInfo.IoDataInAddress.IoAddress32));
> + DEBUG ((DEBUG_MANAGEABILITY_INFO, "Data out Address : 0x%08x\n", mKcsHardwareInfo.IoDataOutAddress.IoAddress32));
> + DEBUG ((DEBUG_MANAGEABILITY_INFO, "Command Address : 0x%08x\n", mKcsHardwareInfo.IoCommandAddress.IoAddress32));
> + DEBUG ((DEBUG_MANAGEABILITY_INFO, "Status Address : 0x%08x\n", mKcsHardwareInfo.IoStatusAddress.IoAddress32));
> } else {
> - DEBUG ((DEBUG_INFO, "I/O Map I/O\n"));
> - DEBUG ((DEBUG_INFO, "Base I/O port : 0x%04x\n", mKcsHardwareInfo.IoBaseAddress.IoAddress16));
> - DEBUG ((DEBUG_INFO, "Data in I/O port : 0x%04x\n", mKcsHardwareInfo.IoDataInAddress.IoAddress16));
> - DEBUG ((DEBUG_INFO, "Data out I/O port: 0x%04x\n", mKcsHardwareInfo.IoDataOutAddress.IoAddress16));
> - DEBUG ((DEBUG_INFO, "Command I/O port : 0x%04x\n", mKcsHardwareInfo.IoCommandAddress.IoAddress16));
> - DEBUG ((DEBUG_INFO, "Status I/O port : 0x%04x\n", mKcsHardwareInfo.IoStatusAddress.IoAddress16));
> + DEBUG ((DEBUG_MANAGEABILITY_INFO, "I/O Map I/O\n"));
> + DEBUG ((DEBUG_MANAGEABILITY_INFO, "Base I/O port : 0x%04x\n", mKcsHardwareInfo.IoBaseAddress.IoAddress16));
> + DEBUG ((DEBUG_MANAGEABILITY_INFO, "Data in I/O port : 0x%04x\n", mKcsHardwareInfo.IoDataInAddress.IoAddress16));
> + DEBUG ((DEBUG_MANAGEABILITY_INFO, "Data out I/O port: 0x%04x\n", mKcsHardwareInfo.IoDataOutAddress.IoAddress16));
> + DEBUG ((DEBUG_MANAGEABILITY_INFO, "Command I/O port : 0x%04x\n", mKcsHardwareInfo.IoCommandAddress.IoAddress16));
> + DEBUG ((DEBUG_MANAGEABILITY_INFO, "Status I/O port : 0x%04x\n", mKcsHardwareInfo.IoStatusAddress.IoAddress16));
> }
>
> return EFI_SUCCESS;
> @@ -221,7 +221,7 @@ KcsTransportTransmitReceive (
> EFI_STATUS Status;
> MANAGEABILITY_IPMI_TRANSPORT_HEADER *TransmitHeader;
>
> - if (TransportToken == NULL || TransferToken == NULL) {
> + if ((TransportToken == NULL) || (TransferToken == NULL)) {
> DEBUG ((DEBUG_ERROR, "%a: Invalid transport token or transfer token.\n", __FUNCTION__));
> return;
> }
> @@ -298,6 +298,7 @@ AcquireTransportSession (
> DEBUG ((DEBUG_ERROR, "%a: Fail to allocate memory for MANAGEABILITY_TRANSPORT_KCS\n", __FUNCTION__));
> return EFI_OUT_OF_RESOURCES;
> }
> +
> KcsTransportToken->Token.Transport = AllocateZeroPool (sizeof (MANAGEABILITY_TRANSPORT));
> if (KcsTransportToken->Token.Transport == NULL) {
> FreePool (KcsTransportToken);
> @@ -329,21 +330,29 @@ AcquireTransportSession (
> }
>
> /**
> - This function returns the transport capabilities.
> -
> - @param [out] TransportFeature Pointer to receive transport capabilities.
> - See the definitions of
> - MANAGEABILITY_TRANSPORT_CAPABILITY.
> -
> + 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.
> **/
> -VOID
> +EFI_STATUS
> GetTransportCapability (
> + IN MANAGEABILITY_TRANSPORT_TOKEN *TransportToken,
> OUT MANAGEABILITY_TRANSPORT_CAPABILITY *TransportCapability
> )
> {
> - if (TransportCapability != NULL) {
> - *TransportCapability = 0;
> + if ((TransportToken == NULL) || (TransportCapability == NULL)) {
> + return EFI_INVALID_PARAMETER;
> }
> +
> + *TransportCapability = 0;
> + return EFI_SUCCESS;
> }
>
> /**
> diff --git a/Features/ManageabilityPkg/Universal/IpmiProtocol/Dxe/IpmiProtocol.c b/Features/ManageabilityPkg/Universal/IpmiProtocol/Dxe/IpmiProtocol.c
> index 05175ee448..51d5c7f0ba 100644
> --- a/Features/ManageabilityPkg/Universal/IpmiProtocol/Dxe/IpmiProtocol.c
> +++ b/Features/ManageabilityPkg/Universal/IpmiProtocol/Dxe/IpmiProtocol.c
> @@ -17,9 +17,9 @@
>
> #include "IpmiProtocolCommon.h"
>
> -MANAGEABILITY_TRANSPORT_TOKEN *mTransportToken = NULL;
> -CHAR16 *mTransportName;
> -
> +MANAGEABILITY_TRANSPORT_TOKEN *mTransportToken = NULL;
> +CHAR16 *mTransportName;
> +UINT32 TransportMaximumPayload;
> MANAGEABILITY_TRANSPORT_HARDWARE_INFORMATION mHardwareInformation;
>
> /**
> @@ -92,8 +92,6 @@ DxeIpmiEntry (
> MANAGEABILITY_TRANSPORT_CAPABILITY TransportCapability;
> MANAGEABILITY_TRANSPORT_ADDITIONAL_STATUS TransportAdditionalStatus;
>
> - GetTransportCapability (&TransportCapability);
> -
> Status = HelperAcquireManageabilityTransport (
> &gManageabilityProtocolIpmiGuid,
> &mTransportToken
> @@ -103,8 +101,22 @@ DxeIpmiEntry (
> return Status;
> }
>
> + Status = GetTransportCapability (mTransportToken, &TransportCapability);
> + if (EFI_ERROR (Status)) {
> + DEBUG ((DEBUG_ERROR, "%a: Failed to GetTransportCapability().\n", __FUNCTION__));
> + return Status;
> + }
> +
> + TransportMaximumPayload = MANAGEABILITY_TRANSPORT_PAYLOAD_SIZE_FROM_CAPABILITY (TransportCapability);
> + if (TransportMaximumPayload == (1 << MANAGEABILITY_TRANSPORT_CAPABILITY_MAXIMUM_PAYLOAD_NOT_AVAILABLE)) {
> + DEBUG ((DEBUG_MANAGEABILITY_INFO, "%a: Transport interface maximum payload is undefined.\n", __FUNCTION__));
> + } else {
> + TransportMaximumPayload -= 1;
> + DEBUG ((DEBUG_MANAGEABILITY_INFO, "%a: Transport interface for IPMI protocol has maximum payload %x.\n", __FUNCTION__, TransportMaximumPayload));
> + }
> +
> mTransportName = HelperManageabilitySpecName (mTransportToken->Transport->ManageabilityTransportSpecification);
> - DEBUG ((DEBUG_INFO, "%a: IPMI protocol over %s.\n", __FUNCTION__, mTransportName));
> + DEBUG ((DEBUG_MANAGEABILITY_INFO, "%a: IPMI protocol over %s.\n", __FUNCTION__, mTransportName));
>
> //
> // Setup hardware information according to the transport interface.
> diff --git a/Features/ManageabilityPkg/Universal/IpmiProtocol/Pei/IpmiPpi.c b/Features/ManageabilityPkg/Universal/IpmiProtocol/Pei/IpmiPpi.c
> index f839cd7387..8bf1e794f0 100644
> --- a/Features/ManageabilityPkg/Universal/IpmiProtocol/Pei/IpmiPpi.c
> +++ b/Features/ManageabilityPkg/Universal/IpmiProtocol/Pei/IpmiPpi.c
> @@ -51,19 +51,19 @@ PeiIpmiSubmitCommand (
> IN OUT UINT32 *ResponseDataSize
> )
> {
> - EFI_STATUS Status;
> - PEI_IPMI_PPI_INTERNAL *PeiIpmiPpiinternal;
> -
> - PeiIpmiPpiinternal = MANAGEABILITY_IPMI_PPI_INTERNAL_FROM_LINK(This);
> - Status = CommonIpmiSubmitCommand (
> - PeiIpmiPpiinternal->TransportToken,
> - NetFunction,
> - Command,
> - RequestData,
> - RequestDataSize,
> - ResponseData,
> - ResponseDataSize
> - );
> + EFI_STATUS Status;
> + PEI_IPMI_PPI_INTERNAL *PeiIpmiPpiinternal;
> +
> + PeiIpmiPpiinternal = MANAGEABILITY_IPMI_PPI_INTERNAL_FROM_LINK (This);
> + Status = CommonIpmiSubmitCommand (
> + PeiIpmiPpiinternal->TransportToken,
> + NetFunction,
> + Command,
> + RequestData,
> + RequestDataSize,
> + ResponseData,
> + ResponseDataSize
> + );
> return Status;
> }
>
> @@ -87,29 +87,28 @@ PeiIpmiEntry (
> CHAR16 *TransportName;
> PEI_IPMI_PPI_INTERNAL *PeiIpmiPpiinternal;
> EFI_PEI_PPI_DESCRIPTOR *PpiDescriptor;
> - MANAGEABILITY_TRANSPORT_CAPABILITY TransportCapability;
> MANAGEABILITY_TRANSPORT_ADDITIONAL_STATUS TransportAdditionalStatus;
> MANAGEABILITY_TRANSPORT_HARDWARE_INFORMATION HardwareInformation;
>
> - PeiIpmiPpiinternal = (PEI_IPMI_PPI_INTERNAL *)AllocateZeroPool (sizeof(PEI_IPMI_PPI_INTERNAL));
> + PeiIpmiPpiinternal = (PEI_IPMI_PPI_INTERNAL *)AllocateZeroPool (sizeof (PEI_IPMI_PPI_INTERNAL));
> if (PeiIpmiPpiinternal == NULL) {
> DEBUG ((DEBUG_ERROR, "%a: Not enough memory for PEI_IPMI_PPI_INTERNAL.\n", __FUNCTION__));
> return EFI_OUT_OF_RESOURCES;
> }
> - PpiDescriptor = (EFI_PEI_PPI_DESCRIPTOR *)AllocateZeroPool (sizeof(EFI_PEI_PPI_DESCRIPTOR));
> +
> + PpiDescriptor = (EFI_PEI_PPI_DESCRIPTOR *)AllocateZeroPool (sizeof (EFI_PEI_PPI_DESCRIPTOR));
> if (PpiDescriptor == NULL) {
> DEBUG ((DEBUG_ERROR, "%a: Not enough memory for EFI_PEI_PPI_DESCRIPTOR.\n", __FUNCTION__));
> return EFI_OUT_OF_RESOURCES;
> }
>
> - PeiIpmiPpiinternal->Signature = MANAGEABILITY_IPMI_PPI_INTERNAL_SIGNATURE;
> + PeiIpmiPpiinternal->Signature = MANAGEABILITY_IPMI_PPI_INTERNAL_SIGNATURE;
> PeiIpmiPpiinternal->PeiIpmiPpi.IpmiSubmitCommand = PeiIpmiSubmitCommand;
>
> PpiDescriptor->Flags = EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST;
> PpiDescriptor->Guid = &gPeiIpmiPpiGuid;
> PpiDescriptor->Ppi = &PeiIpmiPpiinternal->PeiIpmiPpi;
>
> - GetTransportCapability (&TransportCapability);
> Status = HelperAcquireManageabilityTransport (
> &gManageabilityProtocolIpmiGuid,
> &PeiIpmiPpiinternal->TransportToken
> @@ -119,8 +118,22 @@ PeiIpmiEntry (
> return Status;
> }
>
> + Status = GetTransportCapability (PeiIpmiPpiinternal->TransportToken, &PeiIpmiPpiinternal->TransportCapability);
> + if (EFI_ERROR (Status)) {
> + DEBUG ((DEBUG_ERROR, "%a: Failed to GetTransportCapability().\n", __FUNCTION__));
> + return Status;
> + }
> +
> + PeiIpmiPpiinternal->TransportMaximumPayload = MANAGEABILITY_TRANSPORT_PAYLOAD_SIZE_FROM_CAPABILITY (PeiIpmiPpiinternal->TransportCapability);
> + if (PeiIpmiPpiinternal->TransportMaximumPayload == (1 << MANAGEABILITY_TRANSPORT_CAPABILITY_MAXIMUM_PAYLOAD_NOT_AVAILABLE)) {
> + DEBUG ((DEBUG_MANAGEABILITY_INFO, "%a: Transport interface maximum payload is undefined.\n", __FUNCTION__));
> + } else {
> + PeiIpmiPpiinternal->TransportMaximumPayload -= 1;
> + DEBUG ((DEBUG_MANAGEABILITY_INFO, "%a: Transport interface for IPMI protocol has maximum payload 0x%x.\n", __FUNCTION__, PeiIpmiPpiinternal->TransportMaximumPayload));
> + }
> +
> TransportName = HelperManageabilitySpecName (PeiIpmiPpiinternal->TransportToken->Transport->ManageabilityTransportSpecification);
> - DEBUG ((DEBUG_INFO, "%a: IPMI protocol over %s.\n", __FUNCTION__, TransportName));
> + DEBUG ((DEBUG_MANAGEABILITY_INFO, "%a: IPMI protocol over %s.\n", __FUNCTION__, TransportName));
>
> //
> // Setup hardware information according to the transport interface.
> diff --git a/Features/ManageabilityPkg/Universal/IpmiProtocol/Smm/IpmiProtocol.c b/Features/ManageabilityPkg/Universal/IpmiProtocol/Smm/IpmiProtocol.c
> index 87a5436bdf..e4cd166b7a 100644
> --- a/Features/ManageabilityPkg/Universal/IpmiProtocol/Smm/IpmiProtocol.c
> +++ b/Features/ManageabilityPkg/Universal/IpmiProtocol/Smm/IpmiProtocol.c
> @@ -18,9 +18,9 @@
>
> #include "IpmiProtocolCommon.h"
>
> -MANAGEABILITY_TRANSPORT_TOKEN *mTransportToken = NULL;
> -CHAR16 *mTransportName;
> -
> +MANAGEABILITY_TRANSPORT_TOKEN *mTransportToken = NULL;
> +CHAR16 *mTransportName;
> +UINT32 TransportMaximumPayload;
> MANAGEABILITY_TRANSPORT_HARDWARE_INFORMATION mHardwareInformation;
>
> /**
> @@ -93,8 +93,6 @@ SmmIpmiEntry (
> MANAGEABILITY_TRANSPORT_CAPABILITY TransportCapability;
> MANAGEABILITY_TRANSPORT_ADDITIONAL_STATUS TransportAdditionalStatus;
>
> - GetTransportCapability (&TransportCapability);
> -
> Status = HelperAcquireManageabilityTransport (
> &gManageabilityProtocolIpmiGuid,
> &mTransportToken
> @@ -104,8 +102,22 @@ SmmIpmiEntry (
> return Status;
> }
>
> + Status = GetTransportCapability (mTransportToken, &TransportCapability);
> + if (EFI_ERROR (Status)) {
> + DEBUG ((DEBUG_ERROR, "%a: Failed to GetTransportCapability().\n", __FUNCTION__));
> + return Status;
> + }
> +
> + TransportMaximumPayload = MANAGEABILITY_TRANSPORT_PAYLOAD_SIZE_FROM_CAPABILITY (TransportCapability);
> + if (TransportMaximumPayload == (1 << MANAGEABILITY_TRANSPORT_CAPABILITY_MAXIMUM_PAYLOAD_NOT_AVAILABLE)) {
> + DEBUG ((DEBUG_MANAGEABILITY_INFO, "%a: Transport interface maximum payload is undefined.\n", __FUNCTION__));
> + } else {
> + TransportMaximumPayload -= 1;
> + DEBUG ((DEBUG_MANAGEABILITY_INFO, "%a: Transport interface for IPMI protocol has maximum payload 0x%x.\n", __FUNCTION__, TransportMaximumPayload));
> + }
> +
> mTransportName = HelperManageabilitySpecName (mTransportToken->Transport->ManageabilityTransportSpecification);
> - DEBUG ((DEBUG_INFO, "%a: IPMI protocol over %s.\n", __FUNCTION__, mTransportName));
> + DEBUG ((DEBUG_MANAGEABILITY_INFO, "%a: IPMI protocol over %s.\n", __FUNCTION__, mTransportName));
>
> //
> // Setup hardware information according to the transport interface.
-=-=-=-=-=-=-=-=-=-=-=-
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