verif/env/ilu_peu/vera/N2str/ilupeuDmaURCfgIORdWrPEUStr.vr

// ========== Copyright Header Begin ==========================================
//
// OpenSPARC T2 Processor File: ilupeuDmaURCfgIORdWrPEUStr.vr
// Copyright (C) 1995-2007 Sun Microsystems, Inc. All Rights Reserved
// 4150 Network Circle, Santa Clara, California 95054, U.S.A.
//
// * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; version 2 of the License.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
//
// For the avoidance of doubt, and except that if any non-GPL license
// choice is available it will apply instead, Sun elects to use only
// the General Public License version 2 (GPLv2) at this time for any
// software where a choice of GPL license versions is made
// available with the language indicating that GPLv2 or any later version
// may be used, or where a choice of which version of the GPL is applied is
// otherwise unspecified.
//
// Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
// CA 95054 USA or visit www.sun.com if you need additional information or
// have any questions.
//
// ========== Copyright Header End ============================================
class DmaURCfgIORdWrPEUStr extends DmaURBasePEUStr {


  // ******************************************************************
  // The Test Environment objects need to execute the strategy.
  // ******************************************************************
  protected PEUTestEnv              _env;
  protected integer                 _errQueue;


  // ******************************************************************
  // TLP Fields - These fields will be randomized using the parameters
  // in the following section, and obeying the constraints defined
  // within this class.
  // ******************************************************************
  protected         bit [1:0]       _format_req;
  protected         bit [1:0]       _format_cpl;
  protected         bit [4:0]       _type_req;
  protected         bit [4:0]       _type_cpl;

  protected         bit [2:0]       _tc;

  protected         bit             _td_req;
  protected         bit             _td_cpl;
  protected         bit             _ep_req;
  protected         bit             _ep_cpl;

  protected         bit [1:0]       _attr;
  protected         bit [9:0]       _len_req;
  protected         bit [9:0]       _len_cpl;
  protected         bit [15:0]      _req_id;
  protected         bit [7:0]       _tag;
  protected         bit [31:0]      _addr_lsb;

  protected         bit [3:0]       _last_dwbe;
  protected         bit [3:0]       _first_dwbe;

  protected         bit [15:0]      _cpl_id;
  protected         bit [2:0]       _cpl_status;
  protected         bit             _bcm;
  protected         bit [11:0]      _byte_count;
  protected         bit [6:0]       _lower_addr;
  protected         integer         _data;

  bit [PEC_PCI__HDR]            reqHdr;
  bit [PEC_PCI__HDR]            cplHdr;

  // ******************************************************************
  // Constructor
  // ******************************************************************
  public task new(PEUTestEnv a_env, (integer a_errQueue = 'bx));

  // ******************************************************************
  // Break this out as common class fullchip and ios can use
  // ******************************************************************
  public task SetPacketParams();


  // ******************************************************************
  // Execute the strategy.
  // ******************************************************************
  public task Execute();
}


//-------------------------------------------------------------------
// Method Name:
// Description:
//-------------------------------------------------------------------
task DmaURCfgIORdWrPEUStr::new(PEUTestEnv a_env, (integer a_errQueue = 'bx)) {


  super.new(a_env);
  this._env = a_env;
  this._errQueue = a_errQueue;
}


//-------------------------------------------------------------------
// Method Name:
// Description:
//-------------------------------------------------------------------
task DmaURCfgIORdWrPEUStr::SetPacketParams() {

  randcase {
    1 : this._format_req = PEC_PCI__FMT_NO_DATA_3DW;
    1 : this._format_req = PEC_PCI__FMT_DATA_3DW;
  }

  this._format_cpl = PEC_PCI__FMT_NO_DATA_3DW;

  randcase {
    1 : this._type_req = PEC_PCI__TYPE_CFG0;
    1 : this._type_req = PEC_PCI__TYPE_CFG1;
    1 : this._type_req = PEC_PCI__TYPE_IO;
  }

  this._type_cpl   = PEC_PCI__TYPE_CPL;

  this._tc         = 3'b_000;
  this._td_req     = urandom_range(1'b_1, 1'b_0);
  this._td_cpl     = 1'b_0;

  randcase {
    this._ep_req_prob_false : this._ep_req = 1'b_0;
    this._ep_req_prob_true  : this._ep_req = 1'b_1;
  }

  this._ep_cpl     = 1'b_0;

  this._attr       = 2'b_00;
  this._len_req    = 10'h_001;
  this._len_cpl    = 10'h_000;
  this._req_id     = urandom_range(16'h_FFFF, 16'h_0001);
//  this._tag        = urandom_range(8'h_FF, 8'h_00);
  //Make unique so Denali doesn't hold paket hostage
  _env.allocDmaTag( this._tag );

  this._addr_lsb   = urandom();
  if (this._type_req == PEC_PCI__TYPE_CFG0) this._addr_lsb[15:12] = 4'b_0000;
  if (this._type_req == PEC_PCI__TYPE_CFG1) this._addr_lsb[15:12] = 4'b_0000;

  this._last_dwbe  = 4'b_0000;
  this._first_dwbe = urandom_range(4'h_F, 4'h_0);

  this._cpl_id     = 16'h_0000;
  this._cpl_status = PEC_PCI__CPL_STATUS_UR;
  this._bcm        = urandom_range(1'h_1, 1'h_0);
  this._byte_count = 12'h_004;
  this._lower_addr = 7'b_000_0000;

  this._data       = urandom_range(255, 0);


  reqHdr [PEC_PCI__HDR]            = {128{1'b_0}};
  reqHdr [PEC_PCI__FMT]            = this._format_req;
  reqHdr [PEC_PCI__TYPE]           = this._type_req;
  reqHdr [PEC_PCI__TC]             = this._tc;
  reqHdr [PEC_PCI__TD]             = this._td_req;
  reqHdr [PEC_PCI__EP]             = this._ep_req;
  reqHdr [PEC_PCI__ATTR]           = this._attr;
  reqHdr [PEC_PCI__LEN]            = this._len_req;
  reqHdr [PEC_PCI__REQ_ID]         = this._req_id;
  reqHdr [PEC_PCI__TLP_TAG]        = this._tag;
  reqHdr [PEC_PCI__LAST_DWBE]      = this._last_dwbe;
  reqHdr [PEC_PCI__FIRST_DWBE]     = this._first_dwbe;
  reqHdr [PEC_PCI__ADDR32]         = { this._addr_lsb[31:2], 2'b_00 };

  cplHdr [PEC_PCI__HDR]            = {128{1'b_0}};
  cplHdr [PEC_PCI__FMT]            = this._format_cpl;
  cplHdr [PEC_PCI__TYPE]           = this._type_cpl;
  cplHdr [PEC_PCI__TC]             = this._tc;
  cplHdr [PEC_PCI__TD]             = this._td_cpl;
  cplHdr [PEC_PCI__EP]             = this._ep_cpl;
  cplHdr [PEC_PCI__ATTR]           = this._attr;
  cplHdr [PEC_PCI__LEN]            = this._len_cpl;
  cplHdr [PEC_PCI__CPL_ID]         = this._cpl_id;
  cplHdr [PEC_PCI__CPL_STATUS]     = this._cpl_status;
  cplHdr [PEC_PCI__BCM]            = this._bcm;
  cplHdr [PEC_PCI__BYTECOUNT]      = this._byte_count;
  cplHdr [PEC_PCI__CPL_REQ_ID]     = this._req_id;
  cplHdr [PEC_PCI__CPL_TAG]        = this._tag;
  cplHdr [PEC_PCI__LOWADDR]        = this._lower_addr;

}

task DmaURCfgIORdWrPEUStr::Execute() {

  SetPacketParams();

  if( this._type_req === PEC_PCI__TYPE_IO ){
        this._env.Pod.FNXPCIEEnableTrans.tempSuppressDenaliErr(PCIE_TL_NONFATAL_TLP_MF_vlIOExpEp);
  }else{
        this._env.Pod.FNXPCIEEnableTrans.tempSuppressDenaliErr(PCIE_TL_NONFATAL_TLP_MF_vlCfgTx);
        this._env.Pod.FNXPCIEEnableTrans.tempSuppressDenaliErr(PCIE_TL_NONFATAL_TLP_MF_vlCfg0);
  }

  if( (this._format_req === PEC_PCI__FMT_NO_DATA_3DW) && this._ep_req ){
     this._env.Pod.FNXPCIEEnableTrans.tempSuppressDenaliErr(PCIE_TL_NONFATAL_TLP_MF_vlPoison);
  }

  if ( super.f_abortErrTlp )
    {
    this._env.drivePCIE(reqHdr, this._data, *, *, *, 1 );
    if( this._type_req === PEC_PCI__TYPE_IO ){
        this._env.Pod.FNXPCIEEnableTrans.unSuppressDenaliErr(PCIE_TL_NONFATAL_TLP_MF_vlIOExpEp);
    }else{
       this._env.Pod.FNXPCIEEnableTrans.unSuppressDenaliErr(PCIE_TL_NONFATAL_TLP_MF_vlCfgTx);
    }
    this._env.waitIngressLatency( reqHdr );
    }
  else
    {
    this._env.reserveIngressCredits(reqHdr);
    this._env.drivePCIE(reqHdr, this._data);
    if( this._type_req === PEC_PCI__TYPE_IO ){
        this._env.Pod.FNXPCIEEnableTrans.unSuppressDenaliErr(PCIE_TL_NONFATAL_TLP_MF_vlIOExpEp);
    }else{
       this._env.Pod.FNXPCIEEnableTrans.unSuppressDenaliErr(PCIE_TL_NONFATAL_TLP_MF_vlCfgTx);
        this._env.Pod.FNXPCIEEnableTrans.unSuppressDenaliErr(PCIE_TL_NONFATAL_TLP_MF_vlCfg0);
    }
    this._env.consumeIngressCredits(reqHdr);
    this._env.expectILU(reqHdr, this._data);

    if ( this._errQueue != 0 )
        {
        mailbox_put(this._errQueue, e_ERR_ue_ur);
        mailbox_put(this._errQueue, reqHdr);
        }

    this._env.driveILU(cplHdr, 0, this._data);
    this._env.expectPCIE(cplHdr, this._data);
    }

    //Free up the Tags
    _env.freeDmaTag( this._tag );

}