1 /** @file 2 Implementation of Ipmi Library for SMM. 3 4 Copyright (c) 2009 - 2015, Intel Corporation. All rights reserved.<BR> 5 This program and the accompanying materials 6 are licensed and made available under the terms and conditions of the BSD License 7 which accompanies this distribution. The full text of the license may be found at 8 http://opensource.org/licenses/bsd-license.php. 9 10 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, 11 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. 12 13 **/ 14 15 #include <PiSmm.h> 16 #include <Protocol/IpmiProtocol.h> 17 #include <Library/IpmiLib.h> 18 #include <Library/SmmServicesTableLib.h> 19 #include <Library/DebugLib.h> 20 21 IPMI_PROTOCOL *mIpmiProtocol = NULL; 22 23 /** 24 This service enables submitting commands via Ipmi. 25 26 @param[in] NetFunction Net function of the command. 27 @param[in] Command IPMI Command. 28 @param[in] RequestData Command Request Data. 29 @param[in] RequestDataSize Size of Command Request Data. 30 @param[out] ResponseData Command Response Data. The completion code is the first byte of response data. 31 @param[in, out] ResponseDataSize Size of Command Response Data. 32 33 @retval EFI_SUCCESS The command byte stream was successfully submit to the device and a response was successfully received. 34 @retval EFI_NOT_FOUND The command was not successfully sent to the device or a response was not successfully received from the device. 35 @retval EFI_NOT_READY Ipmi Device is not ready for Ipmi command access. 36 @retval EFI_DEVICE_ERROR Ipmi Device hardware error. 37 @retval EFI_TIMEOUT The command time out. 38 @retval EFI_UNSUPPORTED The command was not successfully sent to the device. 39 @retval EFI_OUT_OF_RESOURCES The resource allcation is out of resource or data size error. 40 **/ 41 EFI_STATUS 42 EFIAPI 43 IpmiSubmitCommand ( 44 IN UINT8 NetFunction, 45 IN UINT8 Command, 46 IN UINT8 *RequestData, 47 IN UINT32 RequestDataSize, 48 OUT UINT8 *ResponseData, 49 IN OUT UINT32 *ResponseDataSize 50 ) 51 { 52 EFI_STATUS Status; 53 54 if (mIpmiProtocol == NULL) { 55 Status = gSmst->SmmLocateProtocol ( 56 &gSmmIpmiProtocolGuid, 57 NULL, 58 (VOID **) &mIpmiProtocol 59 ); 60 if (EFI_ERROR (Status)) { 61 // 62 // Smm Ipmi Protocol is not installed. So, IPMI device is not present. 63 // 64 DEBUG ((EFI_D_ERROR, "IpmiSubmitCommand for SMM Status - %r\n", Status)); 65 return EFI_NOT_FOUND; 66 } 67 } 68 69 Status = mIpmiProtocol->IpmiSubmitCommand ( 70 mIpmiProtocol, 71 NetFunction, 72 Command, 73 RequestData, 74 RequestDataSize, 75 ResponseData, 76 ResponseDataSize 77 ); 78 if (EFI_ERROR (Status)) { 79 return Status; 80 } 81 return EFI_SUCCESS; 82 } 83
