/// <summary>
/// Write Fru Data Command. Note:
/// The command writes the specified byte or word to the FRU Inventory Info area. This is a ‘low level’ direct
/// interface to a non-volatile storage area. The interface does not interpret or check any semantics or
/// formatting for the data being written. The offset used in this command is a ‘logical’ offset that may or may not
/// correspond to the physical address. For example, FRU information could be kept in FLASH at physical address 1234h,
/// however offset 0000h would still be used with this command to access the start of the FRU information.
///
/// IPMI FRU device data (devices that are formatted per [FRU]) as well as processor and DIMM FRU data always starts
/// from offset 0000h unless otherwise noted.
/// </summary>
public virtual WriteFruDevice WriteFruDevice(int deviceId, ushort offset, byte[] payload)
{
byte loOffset;
byte hiOffset;
// split address into hi and lo bytes.
IpmiSharedFunc.SplitWord(offset, out loOffset, out hiOffset);
WriteFruDataResponse fruResponse =
this.IpmiSendReceive <WriteFruDataResponse>(new WriteFruDataRequest(loOffset, hiOffset, payload)
{
DeviceId = (byte)deviceId
});
WriteFruDevice response = new WriteFruDevice(fruResponse.CompletionCode);
if (fruResponse.CompletionCode == 0)
{
response.SetParamaters(new byte[1] {
fruResponse.CountWritten
});
}
return(response);
}
/// <summary>
/// Reads raw fru data, and returns a byte array.
/// </summary>
public virtual byte[] ReadFruDevice(int deviceId, ushort offset, byte readCount)
{
byte loOffset;
byte hiOffset;
// split address into hi and lo bytes.
IpmiSharedFunc.SplitWord(offset, out loOffset, out hiOffset);
GetFruDataResponse fruResponse =
this.IpmiSendReceive <GetFruDataResponse>(new GetFruDataRequest(loOffset, hiOffset, readCount)
{
DeviceId = (byte)deviceId
});
return(fruResponse.DataReturned);
}
/// <summary>
/// Returns a byte array with all bytes from a specific area of the fru: Chassis, Baseboard, Product
/// </summary>
private byte[] ReadFruAreaBytes(int deviceId, ushort offset, bool maxLenght, out byte completionCode)
{
byte countToRead = 0x10;
byte loOffset;
byte hiOffset;
List <byte> areaBytes = new List <byte>();
IpmiSharedFunc.SplitWord(offset, out loOffset, out hiOffset);
ushort totalDataRead = countToRead;
GetFruDataRequest fruRequest =
new GetFruDataRequest(loOffset, hiOffset, countToRead)
{
DeviceId = (byte)deviceId
};
GetFruDataResponse fruResponse = IpmiSendReceive <GetFruDataResponse>(fruRequest);
completionCode = fruResponse.CompletionCode;
if (completionCode == 0x00)
{
ushort dataSize = FruArea.AreaLength(fruResponse.DataReturned);
totalDataRead = Math.Min(countToRead, dataSize);
IpmiSharedFunc.AppendArrayToList(fruResponse.DataReturned, areaBytes, totalDataRead);
offset += totalDataRead;
int pass = 0;
while (dataSize > totalDataRead || pass > 12)
{
IpmiSharedFunc.SplitWord(offset, out loOffset, out hiOffset);
if (!maxLenght)
{
countToRead = (byte)Math.Min(countToRead, dataSize - totalDataRead);
}
else
{
countToRead = (byte)Math.Min(byte.MaxValue, dataSize - totalDataRead);
}
fruRequest = new GetFruDataRequest(loOffset, hiOffset, countToRead)
{
DeviceId = (byte)deviceId
};
// send request for more data
fruResponse = IpmiSendReceive <GetFruDataResponse>(fruRequest);
totalDataRead += countToRead;
offset += countToRead;
completionCode = fruResponse.CompletionCode;
if (completionCode == 0x00)
{
IpmiSharedFunc.AppendArrayToList(fruResponse.DataReturned, areaBytes, countToRead);
}
else
{
break;
}
pass++;
}
if (pass > 12)
{
completionCode = 0xEF;
}
}
return(areaBytes.ToArray());
}
