/** @file
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BMC Event Log functions.
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Copyright (c) 2018 - 2019, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#include <Uefi.h>
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#include <Library/BaseLib.h>
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#include <Library/DebugLib.h>
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#include <Library/BaseMemoryLib.h>
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#include <Library/MemoryAllocationLib.h>
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#include <Library/UefiBootServicesTableLib.h>
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#include <Library/UefiRuntimeServicesTableLib.h>
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#include <Library/IpmiCommandLib.h>
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EFI_STATUS
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EFIAPI
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CheckIfSelIsFull (
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VOID
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);
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/*++
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Routine Description:
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This function verifies the BMC SEL is full and When it is reports the error to the Error Manager.
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Arguments:
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None
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Returns:
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EFI_SUCCESS
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EFI_DEVICE_ERROR
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--*/
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EFI_STATUS
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WaitTillErased (
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UINT8 *ResvId
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)
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/*++
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Routine Description:
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Arguments:
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BmcElogPrivateData - Bmc event log instance
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ResvId - Reserved ID
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Returns:
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EFI_SUCCESS
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EFI_NO_RESPONSE
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--*/
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{
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INTN Counter;
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IPMI_CLEAR_SEL_REQUEST ClearSel;
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IPMI_CLEAR_SEL_RESPONSE ClearSelResponse;
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Counter = 0x200;
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ZeroMem (&ClearSelResponse, sizeof(ClearSelResponse));
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while (TRUE) {
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ZeroMem (&ClearSel, sizeof(ClearSel));
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ClearSel.Reserve[0] = ResvId[0];
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ClearSel.Reserve[1] = ResvId[1];
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ClearSel.AscC = 0x43;
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ClearSel.AscL = 0x4C;
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ClearSel.AscR = 0x52;
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ClearSel.Erase = 0x00;
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IpmiClearSel (
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&ClearSel,
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&ClearSelResponse
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);
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if ((ClearSelResponse.ErasureProgress & 0xf) == 1) {
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return EFI_SUCCESS;
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}
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//
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// If there is not a response from the BMC controller we need to return and not hang.
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//
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--Counter;
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if (Counter == 0x0) {
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return EFI_NO_RESPONSE;
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}
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}
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}
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EFI_STATUS
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EfiActivateBmcElog (
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IN BOOLEAN *EnableElog,
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OUT BOOLEAN *ElogStatus
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)
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/*++
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Routine Description:
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Arguments:
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This - Protocol pointer
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DataType - indicate event log type
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EnableElog - Enable/Disable event log
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ElogStatus - return log status
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Returns:
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EFI_STATUS
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--*/
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{
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EFI_STATUS Status;
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UINT8 ElogStat;
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IPMI_SET_BMC_GLOBAL_ENABLES_REQUEST SetBmcGlobalEnables;
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IPMI_GET_BMC_GLOBAL_ENABLES_RESPONSE GetBmcGlobalEnables;
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UINT8 CompletionCode;
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Status = EFI_SUCCESS;
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ElogStat = 0;
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Status = IpmiGetBmcGlobalEnables (&GetBmcGlobalEnables);
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if (EFI_ERROR(Status)) {
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return Status;
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}
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if (EnableElog == NULL) {
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*ElogStatus = GetBmcGlobalEnables.GetEnables.Bits.SystemEventLogging;
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} else {
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if (Status == EFI_SUCCESS) {
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if (*EnableElog) {
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ElogStat = 1;
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}
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CopyMem (&SetBmcGlobalEnables, (UINT8 *)&GetBmcGlobalEnables + 1, sizeof(UINT8));
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SetBmcGlobalEnables.SetEnables.Bits.SystemEventLogging = ElogStat;
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Status = IpmiSetBmcGlobalEnables (&SetBmcGlobalEnables, &CompletionCode);
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}
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}
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return Status;
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}
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EFI_STATUS
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SetElogRedirInstall (
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VOID
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)
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/*++
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Routine Description:
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Arguments:
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None
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Returns:
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EFI_SUCCESS
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--*/
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{
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BOOLEAN EnableElog;
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BOOLEAN ElogStatus;
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//
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// Activate the Event Log (This should depend upon Setup).
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//
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EfiActivateBmcElog (&EnableElog, &ElogStatus);
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return EFI_SUCCESS;
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}
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EFI_STATUS
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EFIAPI
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InitializeBmcElogLayer (
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IN EFI_HANDLE ImageHandle,
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IN EFI_SYSTEM_TABLE *SystemTable
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)
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/*++
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Routine Description:
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Arguments:
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ImageHandle - ImageHandle of the loaded driver
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SystemTable - Pointer to the System Table
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Returns:
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EFI_STATUS
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--*/
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{
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SetElogRedirInstall ();
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CheckIfSelIsFull ();
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return EFI_SUCCESS;
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}
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EFI_STATUS
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EFIAPI
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CheckIfSelIsFull (
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VOID
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)
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/*++
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Routine Description:
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This function verifies the BMC SEL is full and When it is reports the error to the Error Manager.
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Arguments:
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None
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Returns:
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EFI_SUCCESS
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EFI_DEVICE_ERROR
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--*/
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{
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EFI_STATUS Status;
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UINT8 SelIsFull;
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IPMI_GET_SEL_INFO_RESPONSE SelInfo;
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Status = IpmiGetSelInfo (&SelInfo);
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if (EFI_ERROR (Status)) {
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return EFI_DEVICE_ERROR;
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}
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//
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// Check the Bit7 of the OperationByte if SEL is OverFlow.
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//
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SelIsFull = (SelInfo.OperationSupport & 0x80);
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DEBUG ((DEBUG_INFO, "SelIsFull - 0x%x\n", SelIsFull));
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return EFI_SUCCESS;
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}
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