audk/MdeModulePkg/Library/SmmIpmiLibSmmIpmiProtocol/SmmIpmiLibSmmIpmiProtocol.c

78 lines
2.7 KiB
C

/** @file
Implementation of Ipmi Library for SMM.
Copyright (c) 2009 - 2015, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#include <PiSmm.h>
#include <Protocol/IpmiProtocol.h>
#include <Library/IpmiLib.h>
#include <Library/SmmServicesTableLib.h>
#include <Library/DebugLib.h>
IPMI_PROTOCOL *mIpmiProtocol = NULL;
/**
This service enables submitting commands via Ipmi.
@param[in] NetFunction Net function of the command.
@param[in] Command IPMI Command.
@param[in] RequestData Command Request Data.
@param[in] RequestDataSize Size of Command Request Data.
@param[out] ResponseData Command Response Data. The completion code is the first byte of response data.
@param[in, out] ResponseDataSize Size of Command Response Data.
@retval EFI_SUCCESS The command byte stream was successfully submit to the device and a response was successfully received.
@retval EFI_NOT_FOUND The command was not successfully sent to the device or a response was not successfully received from the device.
@retval EFI_NOT_READY Ipmi Device is not ready for Ipmi command access.
@retval EFI_DEVICE_ERROR Ipmi Device hardware error.
@retval EFI_TIMEOUT The command time out.
@retval EFI_UNSUPPORTED The command was not successfully sent to the device.
@retval EFI_OUT_OF_RESOURCES The resource allcation is out of resource or data size error.
**/
EFI_STATUS
EFIAPI
IpmiSubmitCommand (
IN UINT8 NetFunction,
IN UINT8 Command,
IN UINT8 *RequestData,
IN UINT32 RequestDataSize,
OUT UINT8 *ResponseData,
IN OUT UINT32 *ResponseDataSize
)
{
EFI_STATUS Status;
if (mIpmiProtocol == NULL) {
Status = gSmst->SmmLocateProtocol (
&gSmmIpmiProtocolGuid,
NULL,
(VOID **)&mIpmiProtocol
);
if (EFI_ERROR (Status)) {
//
// Smm Ipmi Protocol is not installed. So, IPMI device is not present.
//
DEBUG ((DEBUG_ERROR, "IpmiSubmitCommand for SMM Status - %r\n", Status));
return EFI_NOT_FOUND;
}
}
Status = mIpmiProtocol->IpmiSubmitCommand (
mIpmiProtocol,
NetFunction,
Command,
RequestData,
RequestDataSize,
ResponseData,
ResponseDataSize
);
if (EFI_ERROR (Status)) {
return Status;
}
return EFI_SUCCESS;
}