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/** @file
IPMI Serial Over Lan Driver.
Copyright (c) 2018, 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 that 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 <Uefi.h>
#include <Library/BaseLib.h>
#include <Library/DebugLib.h>
#include <Library/BaseMemoryLib.h>
#include <Library/MemoryAllocationLib.h>
#include <Library/UefiBootServicesTableLib.h>
#include <Library/UefiRuntimeServicesTableLib.h>
#include <Library/IpmiCommandLib.h>
#include <IndustryStandard/Ipmi.h>
#include <IpmiEx.h>
#define SOL_CMD_RETRY_COUNT 10
/*++
Routine Description:
This routine gets the SOL payload status or settings for a specific channel.
Arguments:
Channel - LAN channel naumber.
ParamSel - Configuration parameter selection.
Data - Information returned from BMC.
Returns:
EFI_SUCCESS - SOL configuration parameters are successfully read from BMC.
Others - SOL configuration parameters could not be read from BMC.
--*/
EFI_STATUS
GetSOLStatus (
IN UINT8 Channel,
IN UINT8 ParamSel,
IN OUT UINT8 *Data
)
{
EFI_STATUS Status = EFI_SUCCESS;
IPMI_GET_SOL_CONFIGURATION_PARAMETERS_REQUEST GetConfigurationParametersRequest;
IPMI_GET_SOL_CONFIGURATION_PARAMETERS_RESPONSE GetConfigurationParametersResponse;
UINT32 DataSize;
UINT8 RetryCount;
for (RetryCount = 0; RetryCount < SOL_CMD_RETRY_COUNT; RetryCount++) {
ZeroMem (&GetConfigurationParametersRequest, sizeof(GetConfigurationParametersRequest));
GetConfigurationParametersRequest.ChannelNumber = Channel;
GetConfigurationParametersRequest.ParameterSelector = ParamSel;
ZeroMem (&GetConfigurationParametersResponse, sizeof(GetConfigurationParametersResponse));
DataSize = sizeof(GetConfigurationParametersResponse);
Status = IpmiGetSolConfigurationParameters (
&GetConfigurationParametersRequest,
&GetConfigurationParametersResponse,
&DataSize
);
if (Status == EFI_SUCCESS){
break;
} else {
gBS->Stall(100000);
}
}
if (Status == EFI_SUCCESS) {
*Data = GetConfigurationParametersResponse.ParameterData[0];
}
return Status;
}
/*++
Routine Description:
This routine sets the SOL payload configuration parameters for a specific channel.
Arguments:
Channel - LAN channel naumber.
ParamSel - Configuration parameter selection.
Data - Configuration parameter values.
Returns:
EFI_SUCCESS - SOL configuration parameters are sent to BMC.
Others - SOL configuration parameters could not be sent to BMC.
--*/
EFI_STATUS
SetSOLParams (
IN UINT8 Channel,
IN UINT8 ParamSel,
IN UINT8 Data
)
{
EFI_STATUS Status = EFI_SUCCESS;
IPMI_SET_SOL_CONFIGURATION_PARAMETERS_REQUEST SetConfigurationParametersRequest;
UINT8 CompletionCode;
UINT8 RetryCount;
for (RetryCount = 0; RetryCount < SOL_CMD_RETRY_COUNT; RetryCount++) {
ZeroMem (&SetConfigurationParametersRequest, sizeof(SetConfigurationParametersRequest));
SetConfigurationParametersRequest.ChannelNumber = Channel;
SetConfigurationParametersRequest.ParameterSelector = ParamSel;
SetConfigurationParametersRequest.ParameterData[0] = Data;
CompletionCode = 0;
Status = IpmiSetSolConfigurationParameters (
&SetConfigurationParametersRequest,
sizeof(SetConfigurationParametersRequest),
&CompletionCode
);
if (Status == EFI_SUCCESS) {
break;
} else {
gBS->Stall(100000);
}
}
return Status;
}
EFI_STATUS
EFIAPI
SolStatusEntryPoint (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
/*++
Routine Description:
This is the standard EFI driver point. This function intitializes
the private data required for creating SOL Status Driver.
Arguments:
ImageHandle - Handle for the image of this driver
SystemTable - Pointer to the EFI System Table
Returns:
EFI_SUCCESS - Protocol successfully installed
EFI_UNSUPPORTED - Protocol can't be installed.
--*/
{
EFI_STATUS Status = EFI_SUCCESS;
UINT8 Channel;
BOOLEAN Enabled = FALSE;
BOOLEAN SOLEnabled = FALSE;
for (Channel = 1; Channel <= PcdGet8(PcdMaxSOLChannels); Channel++) {
Status = GetSOLStatus (Channel, IPMI_SOL_CONFIGURATION_PARAMETER_SOL_ENABLE, &Enabled);
if (Status == EFI_SUCCESS) {
if (Enabled == TRUE) {
SOLEnabled = TRUE;
}
DEBUG ((EFI_D_ERROR, "SOL enabling status for channel %x is %x\n", Channel, Enabled));
} else {
DEBUG ((EFI_D_ERROR, "Failed to get channel %x SOL status from BMC!, status is %x\n", Channel, Status));
}
}
return Status;
}
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