| 1 | // ========== Copyright Header Begin ========================================== |
| 2 | // |
| 3 | // OpenSPARC T2 Processor File: ilupeuIngressTlpStrategy.vr |
| 4 | // Copyright (C) 1995-2007 Sun Microsystems, Inc. All Rights Reserved |
| 5 | // 4150 Network Circle, Santa Clara, California 95054, U.S.A. |
| 6 | // |
| 7 | // * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 8 | // |
| 9 | // This program is free software; you can redistribute it and/or modify |
| 10 | // it under the terms of the GNU General Public License as published by |
| 11 | // the Free Software Foundation; version 2 of the License. |
| 12 | // |
| 13 | // This program is distributed in the hope that it will be useful, |
| 14 | // but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | // GNU General Public License for more details. |
| 17 | // |
| 18 | // You should have received a copy of the GNU General Public License |
| 19 | // along with this program; if not, write to the Free Software |
| 20 | // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 21 | // |
| 22 | // For the avoidance of doubt, and except that if any non-GPL license |
| 23 | // choice is available it will apply instead, Sun elects to use only |
| 24 | // the General Public License version 2 (GPLv2) at this time for any |
| 25 | // software where a choice of GPL license versions is made |
| 26 | // available with the language indicating that GPLv2 or any later version |
| 27 | // may be used, or where a choice of which version of the GPL is applied is |
| 28 | // otherwise unspecified. |
| 29 | // |
| 30 | // Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 31 | // CA 95054 USA or visit www.sun.com if you need additional information or |
| 32 | // have any questions. |
| 33 | // |
| 34 | // ========== Copyright Header End ============================================ |
| 35 | class ilupeuIngressTlpStrategy extends ilupeuTlpStrategyBase { |
| 36 | |
| 37 | //Inherited from ilupeuTlpStrategyBase |
| 38 | // CSRCollection CSR; |
| 39 | // ReportClass Report; |
| 40 | // ilupeuPodClass Pod; |
| 41 | // ilupeuScenario Scenario; |
| 42 | //Random Utilities |
| 43 | // FNXRandomUtil RandUtil; |
| 44 | //Transaction and Packet Types |
| 45 | // FNXPCIEXactorTransaction TlpTrans; |
| 46 | // FNXPCIEXactorPacket TlpPkt; |
| 47 | // bit [ILUPEU_TLP_HDR_WIDTH-1:0] tlpHdr = {ILUPEU_TLP_HDR_WIDTH{1'b0}}; |
| 48 | // LPUXtrDataTLP LPUXtrTlpPkt; |
| 49 | //Payload arrays |
| 50 | // bit [7:0] pyldByteAry[*]; |
| 51 | // bit [31:0] pyldDWAry[*]; |
| 52 | // bit [31:0] pyldDW; |
| 53 | // integer dataSpec = 0; |
| 54 | |
| 55 | //#ifdef N2_FC |
| 56 | //After constructing the class with new set the |
| 57 | // variables below before calling Execute(). |
| 58 | // |
| 59 | // bit [7:0] pyldFirstByteValue = 0; |
| 60 | // bit [63:0] tlpAddr = 0; |
| 61 | //#endif |
| 62 | |
| 63 | |
| 64 | //Constructor |
| 65 | task new ( ReportClass _Report, |
| 66 | CSRCollection _CSR, |
| 67 | ilupeuPodClass _Pod , //Xactors |
| 68 | ilupeuScenario _Scenario ); //Test Parameters |
| 69 | |
| 70 | //Public tasks |
| 71 | task Execute(); |
| 72 | |
| 73 | } |
| 74 | |
| 75 | // class constructor |
| 76 | task ilupeuIngressTlpStrategy::new ( ReportClass _Report, |
| 77 | CSRCollection _CSR, |
| 78 | ilupeuPodClass _Pod, |
| 79 | ilupeuScenario _Scenario ) |
| 80 | { |
| 81 | super.new( _Report, |
| 82 | _CSR, |
| 83 | _Pod, |
| 84 | _Scenario ); |
| 85 | |
| 86 | |
| 87 | } |
| 88 | |
| 89 | |
| 90 | |
| 91 | task ilupeuIngressTlpStrategy::Execute() |
| 92 | { |
| 93 | |
| 94 | integer driveCompleteTO = 1000*Scenario.EgrTlpMaxActiveStrats; |
| 95 | integer expectCompleteTO; |
| 96 | bit driveComplete = 0; |
| 97 | |
| 98 | //Set the value of the 1st byte of payload - |
| 99 | #ifdef N2_FC |
| 100 | // |
| 101 | dataSpec = pyldFirstByteValue; |
| 102 | #else |
| 103 | dataSpec = RandUtil.Rand32( 0, 8'hff ); |
| 104 | #endif |
| 105 | |
| 106 | //Generate a random Ingress FNXPCIEXactorTransaction TLP - TlpTrans |
| 107 | GenRandomPCIEXtrTlp( ILUPEU_INGRESS_TRANS, |
| 108 | dataSpec ); |
| 109 | |
| 110 | //Convert the FNXPCIEXactorTransaction to Header format |
| 111 | // tlpHdr is filled in according to Tlp type generated in GenRandomPCIEXtrTLP |
| 112 | ConvertPcieTlp2Hdr(); //Fills in tlpHdr |
| 113 | |
| 114 | |
| 115 | //Now Convert the Header and Payload to LPUXtr packet |
| 116 | // Instantiate a new LPUXtr packet and move data from tlpHdr into LPUXtrTlpPkt |
| 117 | // ConvertHdr2LpuXtrTlpPkt(); |
| 118 | //Set LPUXtrTlpPkt CTTransactionID |
| 119 | // LPUXtrTlpPkt.SetID( ID ); |
| 120 | |
| 121 | //Set expect to = time to transmit a packet that size + a little overhead depending on the link width |
| 122 | //Read the Denali Link Status Register |
| 123 | denRegTmpData = regTrans.ReadDenaliReg( PCIE_REG_DEN_LINK_ST ); |
| 124 | expectCompleteTO = ((xtrLen*4)/denRegTmpData[FNX_PCIE_XTR_REG_DEN_LINK_ST_LINK_WIDTH_SLC]) + 50; |
| 125 | |
| 126 | QuickReport( Report, |
| 127 | RTYP_INFO, |
| 128 | "%s ilupeuIngressTlpStrategy:Call TlpTrans.Drive() expectCompleteTO=%0d ",ID.GetString(),expectCompleteTO ); |
| 129 | |
| 130 | |
| 131 | fork |
| 132 | { |
| 133 | TlpTrans.Drive(); |
| 134 | driveComplete = 1; |
| 135 | } |
| 136 | { |
| 137 | //Timeout if transaction can't be driven by Denali then this is an error |
| 138 | //review - Deal with retraining here |
| 139 | while( driveCompleteTO && !driveComplete ){ |
| 140 | @(posedge CLOCK); |
| 141 | driveCompleteTO--; |
| 142 | } |
| 143 | |
| 144 | } |
| 145 | join any |
| 146 | |
| 147 | if( !driveComplete ){ |
| 148 | QuickReport( Report, |
| 149 | RTYP_TEST_ERROR, |
| 150 | "%s ilupeuEgressTlpStrategy: Denali TlpTrans.Drive() timed out trying to drive TlpPkt ",ID.GetString() ); |
| 151 | } |
| 152 | |
| 153 | // MAQ: PEU |
| 154 | #ifdef N2_FC |
| 155 | #else |
| 156 | Pod.DMUXtr.recv( tlpHdr,dataSpec ); |
| 157 | #endif |
| 158 | // MAQ: PEU |
| 159 | |
| 160 | //Free up the unique tag if one was used |
| 161 | if( uniqueTagSet ){ |
| 162 | FreeUniqueTag( TlpPkt.ReqTag ); |
| 163 | } |
| 164 | |
| 165 | QuickReport( Report, |
| 166 | RTYP_INFO, |
| 167 | "%s ilupeuIngressTlpStrategy:Strategy complete!",ID.GetString() ); |
| 168 | |
| 169 | repeat(10) @(posedge CLOCK); |
| 170 | |
| 171 | } |
| 172 | |