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1 | // ========== Copyright Header Begin ========================================== |
2 | // | |
3 | // OpenSPARC T2 Processor File: ilupeuIngressFCPErr.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 ilupeuIngressFCPErr extends PEUStrBase | |
36 | { | |
37 | integer f_errQueue; // A mailbox for bad pkt headers | |
38 | ||
39 | integer nmbrFCPErrsToInject = 10; //Total number of packets that get error injected | |
40 | //Set the percentage weight of each type of FCP errors | |
41 | integer DLLP_FCP_Infinite_FC_PH_ErrWeight = 0; | |
42 | integer DLLP_FCP_Infinite_FC_PD_ErrWeight = 0; | |
43 | integer DLLP_FCP_Infinite_FC_NPH_ErrWeight = 0; | |
44 | integer DLLP_FCP_Infinite_FC_NPD_ErrWeight = 0; | |
45 | integer DLLP_FCP_Infinite_FC_CLPH_ErrWeight = 0; | |
46 | integer DLLP_FCP_Infinite_FC_CLPD_ErrWeight = 0; | |
47 | ||
48 | integer DLLP_FCP_Infinite_FC_all_P_ErrWeight = 0; | |
49 | integer DLLP_FCP_Infinite_FC_all_NP_ErrWeight = 0; | |
50 | integer DLLP_FCP_Infinite_FC_all_CLP_ErrWeight = 0; | |
51 | ||
52 | integer DLLP_FCP_over128_FC_PH_ErrWeight = 0; | |
53 | integer DLLP_FCP_over2048_FC_PD_ErrWeight = 0; | |
54 | integer DLLP_FCP_over128_FC_NPH_ErrWeight = 0; | |
55 | integer DLLP_FCP_over2048_FC_NPD_ErrWeight = 0; | |
56 | integer DLLP_FCP_over128_FC_CLPH_ErrWeight = 0; | |
57 | integer DLLP_FCP_over2048_FC_CLPD_ErrWeight = 0; | |
58 | ||
59 | ||
60 | denaliPcieEiTypeT DenaliErrortype; | |
61 | bit [FNX_PCIE_XTR_DLLP_TYPE_WIDTH-1:0] DLLPtype; | |
62 | ||
63 | //Only allow 1 of these strategies to be active at a time | |
64 | static integer FCPErr_semaphore = alloc(SEMAPHORE, 0, 1, 1); | |
65 | ||
66 | task new( PEUTestEnv a_env ) | |
67 | { | |
68 | super.new( a_env ); | |
69 | f_errQueue = 0; | |
70 | } | |
71 | ||
72 | task SetErrQueue( integer a_queue ) | |
73 | { | |
74 | f_errQueue = a_queue; | |
75 | } /* end SetErrQueue */ | |
76 | ||
77 | task Execute() | |
78 | { | |
79 | integer nmbrErrs; | |
80 | integer DLLPFCPErrsInject_freq = 100; // freq of clock cycles to inject this error | |
81 | integer nmbrFCPErrsInjected; | |
82 | ||
83 | ||
84 | integer FC_H_random ; | |
85 | integer FC_D_random; | |
86 | integer FC_H_over128; | |
87 | integer FC_D_over2048; | |
88 | integer HdrFC; | |
89 | integer DataFC; | |
90 | string FCtype = ""; | |
91 | ||
92 | //Get the semaphore when its your turn | |
93 | semaphore_get( WAIT, FCPErr_semaphore, 1); | |
94 | ||
95 | ||
96 | ||
97 | //Clear all the specific error trackers | |
98 | nmbrFCPErrsInjected = 0; | |
99 | ||
100 | // create random number to cause Ack/Nak DLLP type | |
101 | DLLPFCPErrsInject_freq = (urandom() % 20) + 20; | |
102 | ||
103 | // PCIEDllpTrans = new( Pod.FNXPCIEBldr ); | |
104 | ||
105 | //inject errors until all the errors are injected | |
106 | while (nmbrFCPErrsToInject > nmbrFCPErrsInjected) { | |
107 | ||
108 | ||
109 | // adjust FC credit number between 1 to FFx for header, between 1 to FFFx for data | |
110 | FC_H_random = (urandom() % 254) + 1; | |
111 | FC_D_random = (urandom() % 4094) + 1; | |
112 | ||
113 | FC_H_over128 = (urandom_range(256, 129) ); | |
114 | FC_D_over2048 = (urandom_range(4000, 2049)); | |
115 | ||
116 | //determine the type of errors inject based on the weight specified in the testcase | |
117 | randcase { | |
118 | // for infinite case. | |
119 | DLLP_FCP_Infinite_FC_PH_ErrWeight: {f_env.FCP_inject = 1; FCtype = "PH"; HdrFC = FC_H_random; DataFC = 0 ;} | |
120 | DLLP_FCP_Infinite_FC_PD_ErrWeight: {f_env.FCP_inject = 1; FCtype = "PD"; HdrFC = 0; DataFC = FC_D_random ;} | |
121 | DLLP_FCP_Infinite_FC_NPH_ErrWeight: {f_env.FCP_inject = 1; FCtype = "NPH"; HdrFC = FC_H_random; DataFC = 0 ;} | |
122 | DLLP_FCP_Infinite_FC_NPD_ErrWeight: {f_env.FCP_inject = 1; FCtype = "NPD"; HdrFC = FC_H_random; DataFC = FC_D_random ;} | |
123 | DLLP_FCP_Infinite_FC_CLPH_ErrWeight: {f_env.FCP_inject = 1; FCtype = "CLPH"; HdrFC = FC_H_random; DataFC = 0 ;} | |
124 | DLLP_FCP_Infinite_FC_CLPD_ErrWeight: {f_env.FCP_inject = 1; FCtype = "CLPD"; HdrFC = 0; DataFC = FC_D_random ;} | |
125 | ||
126 | DLLP_FCP_Infinite_FC_all_P_ErrWeight: {f_env.FCP_inject = 1; FCtype = "all_P"; HdrFC = FC_H_random; DataFC = FC_D_random ;} | |
127 | DLLP_FCP_Infinite_FC_all_NP_ErrWeight: {f_env.FCP_inject = 1; FCtype = "all_NP"; HdrFC = FC_H_random; DataFC = FC_D_random ;} | |
128 | DLLP_FCP_Infinite_FC_all_CLP_ErrWeight: {f_env.FCP_inject = 1; FCtype = "all_CLP"; HdrFC = FC_H_random; DataFC = FC_D_random ;} | |
129 | ||
130 | // for FC over limit case. | |
131 | // DLLP_FCP_over128_FC_PH_ErrWeight: {f_env.FCP_inject = 1; FCtype = "PH"; HdrFC = FC_H_over128; DataFC = f_env.Scenario.denaliInitialPostedDataCredit ;} | |
132 | // DLLP_FCP_over2048_FC_PD_ErrWeight: {f_env.FCP_inject = 1; FCtype = "PD"; HdrFC = f_env.Scenario.denaliInitialPostedHeaderCredit; DataFC = FC_D_over2048 ;} | |
133 | // DLLP_FCP_over128_FC_NPH_ErrWeight: {f_env.FCP_inject = 1; FCtype = "NPH"; HdrFC = FC_H_over128; DataFC = f_env.Scenario.denaliInitialNonPostedDataCredit ;} | |
134 | // DLLP_FCP_over2048_FC_NPD_ErrWeight: {f_env.FCP_inject = 1; FCtype = "NPD"; HdrFC = f_env.Scenario.denaliInitialNonPostedHeaderCredit; DataFC = FC_D_over2048 ;} | |
135 | // DLLP_FCP_over128_FC_CLPH_ErrWeight: {f_env.FCP_inject = 1; FCtype = "CLPH"; HdrFC = FC_H_over128; DataFC = f_env.Scenario.denaliInitialCompletionDataCredit ;} | |
136 | // DLLP_FCP_over2048_FC_CLPD_ErrWeight: {f_env.FCP_inject = 1; FCtype = "CLPD"; HdrFC = f_env.Scenario.denaliInitialCompletionHeaderCredit; DataFC = FC_D_over2048 ;} | |
137 | ||
138 | DLLP_FCP_over128_FC_PH_ErrWeight: {f_env.FCP_P_inject = 1; FCtype = "PH"; HdrFC = FC_H_over128; DataFC = f_env.Scenario.denaliInitialPostedDataCredit ;} | |
139 | DLLP_FCP_over2048_FC_PD_ErrWeight: {f_env.FCP_P_inject = 1; FCtype = "PD"; HdrFC = f_env.Scenario.denaliInitialPostedHeaderCredit; DataFC = FC_D_over2048 ;} | |
140 | DLLP_FCP_over128_FC_NPH_ErrWeight: {f_env.FCP_NP_inject = 1; FCtype = "NPH"; HdrFC = FC_H_over128; DataFC = f_env.Scenario.denaliInitialNonPostedDataCredit ;} | |
141 | DLLP_FCP_over2048_FC_NPD_ErrWeight: {f_env.FCP_NP_inject = 1; FCtype = "NPD"; HdrFC = f_env.Scenario.denaliInitialNonPostedHeaderCredit; DataFC = FC_D_over2048 ;} | |
142 | DLLP_FCP_over128_FC_CLPH_ErrWeight: {f_env.FCP_CPL_inject = 1; FCtype = "CLPH"; HdrFC = FC_H_over128; DataFC = f_env.Scenario.denaliInitialCompletionDataCredit ;} | |
143 | DLLP_FCP_over2048_FC_CLPD_ErrWeight: {f_env.FCP_CPL_inject = 1; FCtype = "CLPD"; HdrFC = f_env.Scenario.denaliInitialCompletionHeaderCredit; DataFC = FC_D_over2048 ;} | |
144 | ||
145 | } | |
146 | ||
147 | f_env.Report.report(RTYP_DEBUG_3, "AC: at time %0d, FC_type to be sent = %0s \n", get_time(LO), FCtype); | |
148 | ||
149 | // sending the intended FC update | |
150 | if (FCtype == "PH" || FCtype == "PD" || FCtype == "all_P") { | |
151 | // DLLPtype = FNX_PCIE_XTR_DLLP_TYPE_UPDATE_FC_P; | |
152 | DLLPtype = {FNX_PCIE_XTR_FC_DLLP_TYPE_UPDATE_FC_P, 3'b000 }; | |
153 | } | |
154 | if (FCtype == "NPH" || FCtype == "NPD" || FCtype == "all_NP") { | |
155 | // DLLPtype = FNX_PCIE_XTR_DLLP_TYPE_UPDATE_FC_NP; | |
156 | DLLPtype = {FNX_PCIE_XTR_FC_DLLP_TYPE_UPDATE_FC_NP, 3'b000}; | |
157 | } | |
158 | if (FCtype == "CLPH" || FCtype == "CLPD" || FCtype == "all_CLP") { | |
159 | // DLLPtype = FNX_PCIE_XTR_DLLP_TYPE_UPDATE_FC_CPL; | |
160 | DLLPtype = {FNX_PCIE_XTR_FC_DLLP_TYPE_UPDATE_FC_CPL, 3'b000}; | |
161 | ||
162 | } | |
163 | ||
164 | ||
165 | f_env.Endpoint_send_FC_update(DLLPtype, HdrFC, DataFC ); | |
166 | ||
167 | ||
168 | f_env.Report.report( RTYP_DEBUG_3, "FCP_P_inject = %d, FCP_NP_inject = %d, FCP_CPL_inject = %d \n", f_env.FCP_P_inject, f_env.FCP_NP_inject, f_env.FCP_CPL_inject); | |
169 | ||
170 | nmbrFCPErrsInjected += 1; | |
171 | printf("AC: ilupeuIngressFCPErr injects error: nmbrFCPErrsInjected=%0d nmbrFCPErrsToInject=%0d \n",nmbrFCPErrsInjected, nmbrFCPErrsToInject); | |
172 | ||
173 | repeat (DLLPFCPErrsInject_freq) @(posedge CLOCK); | |
174 | } | |
175 | ||
176 | //Delay to allow the last error to propogate before checking | |
177 | repeat( 100 ) @(posedge CLOCK); | |
178 | ||
179 | //Track possible errors based on the type of errors injected | |
180 | nmbrErrs = 0; // number of error type that got set. | |
181 | ||
182 | ||
183 | if (nmbrFCPErrsInjected == 1) { | |
184 | nmbrErrs += 1; // only primary error got set. | |
185 | } | |
186 | else if (nmbrFCPErrsInjected > 1) { | |
187 | nmbrErrs += 2; // both primary and secondary errors got set. | |
188 | } | |
189 | ||
190 | printf("AC: nmbrErrs = %d \n", nmbrErrs); | |
191 | ||
192 | ||
193 | ||
194 | if( f_errQueue != 0 ){ | |
195 | ||
196 | // note: bx = no header to check | |
197 | // bx0 = error above is optional. clear it if it's set | |
198 | ||
199 | mailbox_put( f_errQueue, e_ERR_none ); | |
200 | mailbox_put( f_errQueue, nmbrErrs ); | |
201 | ||
202 | if (nmbrFCPErrsInjected >= 1) { | |
203 | mailbox_put( f_errQueue, e_ERR_ue_fcp ); // e_ERR_ue_fcp = Flow control protocol error | |
204 | mailbox_put( f_errQueue, 128'bx ); | |
205 | } | |
206 | if (nmbrFCPErrsInjected > 1) { | |
207 | mailbox_put( f_errQueue, e_ERR_ue_fcp ); // e_ERR_ue_fcp = Flow control protocol error | |
208 | mailbox_put( f_errQueue, 128'bx ); | |
209 | } | |
210 | ||
211 | } // f_errQueue !=0 | |
212 | ||
213 | repeat( 10 ) @(posedge CLOCK); | |
214 | semaphore_put( FCPErr_semaphore, 1 ); | |
215 | ||
216 | } /* end Execute */ | |
217 | ||
218 | } /* end IngressUnsupportDLLPErr */ |