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1 | // ========== Copyright Header Begin ========================================== |
2 | // | |
3 | // OpenSPARC T2 Processor File: ilupeuIngressnullTlpErr.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 ilupeuIngressnullTlpErr extends PEUStrBase | |
36 | { | |
37 | integer f_errQueue; // A mailbox for bad pkt headers | |
38 | ||
39 | integer nmbrnullTlpErrsToInject = 0; //Total number of packets that get error injected | |
40 | //Set the percentage weight of each type of FCP errors | |
41 | integer nullTlpErrWeight = 0; | |
42 | ||
43 | ||
44 | denaliPcieEiTypeT DenaliErrortype; | |
45 | // bit [FNX_PCIE_XTR_DLLP_TYPE_WIDTH-1:0] DLLPtype; | |
46 | ||
47 | //Only allow 1 of these strategies to be active at a time | |
48 | static integer FCPErr_semaphore = alloc(SEMAPHORE, 0, 1, 1); | |
49 | ||
50 | task new( PEUTestEnv a_env ) | |
51 | { | |
52 | super.new( a_env ); | |
53 | f_errQueue = 0; | |
54 | } | |
55 | ||
56 | task SetErrQueue( integer a_queue ) | |
57 | { | |
58 | f_errQueue = a_queue; | |
59 | } /* end SetErrQueue */ | |
60 | ||
61 | task Execute() | |
62 | { | |
63 | integer nmbrErrs; | |
64 | integer nullTlpErrsInject_freq = 100; // freq of clock cycles to inject this error | |
65 | integer nmbrnullTlpErrsInjected; | |
66 | ||
67 | bit[PEC_PCI__HDR] ingressHdr; // The ingress TLP's header | |
68 | integer ingressData; // A payload descriptor | |
69 | bit[7:0] ingressTag; // The tag for the TLP | |
70 | ||
71 | ||
72 | string dma_type = ""; | |
73 | bit null_tlp = 0; | |
74 | ||
75 | //Get the semaphore when its your turn | |
76 | semaphore_get( WAIT, FCPErr_semaphore, 1); | |
77 | ||
78 | ||
79 | ||
80 | //Clear all the specific error trackers | |
81 | nmbrnullTlpErrsInjected = 0; | |
82 | ||
83 | // create random number to cause Null TLP type error | |
84 | nullTlpErrsInject_freq = (urandom() % 10) + 20; | |
85 | ||
86 | ||
87 | //inject errors until all the errors are injected | |
88 | while (nmbrnullTlpErrsToInject > nmbrnullTlpErrsInjected) { | |
89 | ||
90 | ||
91 | // adjust FC credit number between 1 to FFx for header, between 1 to FFFx for data | |
92 | // FC_H_random = (urandom() % 254) + 1; | |
93 | // FC_H_over128 = (urandom_range(256, 129) ); | |
94 | ||
95 | // //determine the type of errors inject based on the weight specified in the testcase | |
96 | // randcase { | |
97 | // // for infinite case. | |
98 | // nullTlpErrWeight: {f_env.FCP_CPL_inject = 1; dma_type = "CLPD"; HdrFC = f_env.Scenario.denaliInitialCompletionHeaderCredit; DataFC = FC_D_over2048 ;} | |
99 | // { | |
100 | // PCIETlpTrans.MyPacket.DenaliErr = PCIE_EI_TLP_NULL; | |
101 | // // PCIETlpTrans.tempSuppressDenaliErr(PCIE_PL_NONFATAL_FRAME_NULL_TLP ); | |
102 | // // PCIETlpTrans.tempSuppressDenaliErr_enable_callback(PCIE_PL_NONFATAL_FRAME_NULL_TLP ); | |
103 | // nullTlpErr = 1; | |
104 | // nullTlpErrInjected += 1; | |
105 | // at time %d, nullTlpErrWeightselected \n" | |
106 | // , get_time(LO)); | |
107 | // | |
108 | // } | |
109 | // | |
110 | // } | |
111 | // | |
112 | // at time %0d, FC_type to be sent = %0s \n", get_time(LO), dma_type); | |
113 | ||
114 | // allocate the tag | |
115 | f_env.allocDmaTag(ingressTag); | |
116 | // sending the randomized dma xaction | |
117 | ||
118 | randcase { | |
119 | 10: dma_type = "dmawrite"; | |
120 | 0: dma_type = "dmaread"; | |
121 | // 10: dma_type = "dmacpl"; | |
122 | } | |
123 | ||
124 | null_tlp = 1; | |
125 | ||
126 | printf("AC: dma_type = %s \n", dma_type); | |
127 | ||
128 | if (dma_type == "dmawrite" ) { | |
129 | f_env.genIngressWrReq (ingressTag, ingressHdr, ingressData); | |
130 | ingressHdr[PEC_PCI__TD] = 0; | |
131 | f_env.drivePCIE(ingressHdr, ingressData, *,*,*,*,*,*,null_tlp); | |
132 | } | |
133 | if (dma_type == "dmaread" ) { | |
134 | f_env.genIngressRdReq (ingressTag, ingressHdr, ingressData); | |
135 | ingressHdr[PEC_PCI__TD] = 0; | |
136 | f_env.drivePCIE(ingressHdr, ingressData,*,*,*,*,*,*,null_tlp); | |
137 | } | |
138 | if (dma_type == "dmacpl" ) { | |
139 | // f_env.genIngressCpl (reqHdr, cplHdr, cplData); | |
140 | f_env.genIngressCpl (ingressHdr, ingressHdr, ingressData); // don't care in this test, just sending dummy | |
141 | ingressHdr[PEC_PCI__TD] = 0; | |
142 | f_env.drivePCIE(ingressHdr, ingressData,*,*,*,*,*,*,null_tlp); | |
143 | } | |
144 | ||
145 | null_tlp = 0; | |
146 | f_env.freeDmaTag(ingressTag); | |
147 | ||
148 | ||
149 | nmbrnullTlpErrsInjected += 1; | |
150 | printf("AC: ilupeuIngressnullTlpErr injects error: nmbrnullTlpErrsInjected=%0d nmbrnullTlpErrsToInject=%0d \n",nmbrnullTlpErrsInjected, nmbrnullTlpErrsToInject); | |
151 | ||
152 | repeat (nullTlpErrsInject_freq) @(posedge CLOCK); | |
153 | } | |
154 | ||
155 | //Delay to allow the last error to propogate before checking | |
156 | repeat( 200 ) @(posedge CLOCK); | |
157 | ||
158 | //Track possible errors based on the type of errors injected | |
159 | nmbrErrs = 0; // number of error type that got set. | |
160 | ||
161 | ||
162 | if (nmbrnullTlpErrsInjected >= 1) { | |
163 | nmbrErrs += 2; // dlpl and oe primary error got set, does not cause secondary oe error | |
164 | } | |
165 | ||
166 | printf("AC: nmbrErrs = %d \n", nmbrErrs); | |
167 | ||
168 | ||
169 | ||
170 | if( f_errQueue != 0 ){ | |
171 | ||
172 | // note: bx = no header to check | |
173 | // bx0 = error above is optional. clear it if it's set | |
174 | ||
175 | mailbox_put( f_errQueue, e_ERR_none ); | |
176 | mailbox_put( f_errQueue, nmbrErrs ); | |
177 | ||
178 | if (nmbrnullTlpErrsInjected >= 1) { | |
179 | mailbox_put( f_errQueue, e_ERR_dlpl_src_tlp ); // Ingress TLP w/ inverted CRC and EDB error | |
180 | mailbox_put( f_errQueue, 128'bx ); | |
181 | mailbox_put( f_errQueue, e_ERR_oe_lin ); // oe error link interrupt event | |
182 | mailbox_put( f_errQueue, 128'bx ); | |
183 | } | |
184 | ||
185 | } // f_errQueue !=0 | |
186 | ||
187 | repeat( 10 ) @(posedge CLOCK); | |
188 | semaphore_put( FCPErr_semaphore, 1 ); | |
189 | ||
190 | } /* end Execute */ | |
191 | ||
192 | } /* end IngressUnsupportDLLPErr */ |