| 1 | // ========== Copyright Header Begin ========================================== |
| 2 | // |
| 3 | // OpenSPARC T2 Processor File: niu_dmc_virt.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 | #define VIRT_NUM_RDMA_CHNLS 16 |
| 36 | #define VIRT_NUM_DEVICES 69 |
| 37 | |
| 38 | #define VIRT_NUM_GROUPS 64 |
| 39 | #define VIRT_NUM_TDMA_CHNLS 16 |
| 40 | |
| 41 | #include "niu_rxdmc.vrh" |
| 42 | #include "niu_tx_test_class.vrh" |
| 43 | |
| 44 | extern bit[3:0] rtl_mac; |
| 45 | |
| 46 | class niu_dmc_virt { |
| 47 | integer tx_dma_chnl_grp[VIRT_NUM_GROUPS]; |
| 48 | integer rx_dma_chnl_grp[VIRT_NUM_GROUPS]; |
| 49 | integer intr_grp[VIRT_NUM_GROUPS]; |
| 50 | |
| 51 | local integer i; |
| 52 | local string name = "niu_dmc_virt"; |
| 53 | local integer cyclic_rand[]; |
| 54 | |
| 55 | task tx_bind_dma_chnls_to_grp(niu_tx_test_class tdmc, |
| 56 | (integer chnl_num = -1), |
| 57 | (integer grp_num = -1)); |
| 58 | task rx_bind_dma_chnls_to_grp(CRDMC rdmc, |
| 59 | (integer chnl_num = -1), |
| 60 | (integer grp_num = -1)); |
| 61 | local function integer get_cyclic_rand(bit reset, |
| 62 | (integer array_num = 0), |
| 63 | (integer min = 0), |
| 64 | (integer max = 0)); |
| 65 | local task tx_bind_grp_and_dma_ch(niu_tx_test_class tdmc, |
| 66 | integer grp_num, |
| 67 | integer chnl_num); |
| 68 | local task rx_bind_grp_and_dma_ch(CRDMC rdmc, |
| 69 | integer grp_num, |
| 70 | integer chnl_num); |
| 71 | task display_chnl_binding(); |
| 72 | |
| 73 | task new(); |
| 74 | |
| 75 | } // class niu_dmc_virt |
| 76 | |
| 77 | task niu_dmc_virt::new() { |
| 78 | for(i=0;i<VIRT_NUM_GROUPS;i++) { |
| 79 | tx_dma_chnl_grp[i] = -1; |
| 80 | rx_dma_chnl_grp[i] = -1; |
| 81 | intr_grp[i] = -1; |
| 82 | } |
| 83 | } |
| 84 | |
| 85 | task niu_dmc_virt::tx_bind_dma_chnls_to_grp(niu_tx_test_class tdmc, |
| 86 | (integer chnl_num = -1), |
| 87 | (integer grp_num = -1)) { |
| 88 | integer i, ii; |
| 89 | |
| 90 | |
| 91 | // check if we need to bind randomly |
| 92 | if(chnl_num == -1 && grp_num == -1) { |
| 93 | // bind RDMA channels |
| 94 | void = get_cyclic_rand(1, 0); // reset |
| 95 | void = get_cyclic_rand(1, 1); // reset |
| 96 | for(i=0;i<VIRT_NUM_TDMA_CHNLS;i++) { |
| 97 | ii = get_cyclic_rand(0, 0, 0, VIRT_NUM_GROUPS); |
| 98 | tx_dma_chnl_grp[ii] = get_cyclic_rand(0, 1, 0, VIRT_NUM_TDMA_CHNLS); |
| 99 | tx_bind_grp_and_dma_ch(tdmc, ii, tx_dma_chnl_grp[ii]); |
| 100 | } |
| 101 | return; |
| 102 | } |
| 103 | |
| 104 | // rule check |
| 105 | if((chnl_num < 0 || chnl_num >= VIRT_NUM_TDMA_CHNLS)) { |
| 106 | printf("WARNING: TDMA chnl_num:%0d is not allowed range: 0 - %0d\n", |
| 107 | chnl_num, VIRT_NUM_TDMA_CHNLS - 1); |
| 108 | return; |
| 109 | } |
| 110 | |
| 111 | for(i=0;i<VIRT_NUM_GROUPS;i++) { |
| 112 | |
| 113 | if((tx_dma_chnl_grp[i] == chnl_num)) { |
| 114 | printf("<%0d> %s: WARNING : TDMA chnl_num:%0d is already bound to group:%0d \n", |
| 115 | get_time(LO), name, chnl_num, i); |
| 116 | return; |
| 117 | } |
| 118 | |
| 119 | } |
| 120 | |
| 121 | for(i=0;i<VIRT_NUM_TDMA_CHNLS;i++) { |
| 122 | |
| 123 | if((tx_dma_chnl_grp[grp_num] == i)) { |
| 124 | printf("<%0d> %s: WARNING : TDMA group:%0d is already bound to channel:%0d \n", |
| 125 | get_time(LO), name, grp_num, i); |
| 126 | return; |
| 127 | } |
| 128 | } |
| 129 | |
| 130 | // Bind |
| 131 | tx_dma_chnl_grp[grp_num] = chnl_num; |
| 132 | tx_bind_grp_and_dma_ch(tdmc, grp_num, chnl_num); |
| 133 | } |
| 134 | |
| 135 | task niu_dmc_virt::rx_bind_dma_chnls_to_grp(CRDMC rdmc, |
| 136 | (integer chnl_num = -1), |
| 137 | (integer grp_num = -1)) { |
| 138 | integer i, ii; |
| 139 | |
| 140 | // check if we need to bind randomly |
| 141 | if(chnl_num == -1 && grp_num == -1) { |
| 142 | // bind RDMA channels |
| 143 | void = get_cyclic_rand(1, 2); // reset |
| 144 | void = get_cyclic_rand(1, 3); // reset |
| 145 | for(i=0;i<VIRT_NUM_RDMA_CHNLS;i++) { |
| 146 | ii = get_cyclic_rand(0, 2, 0, VIRT_NUM_GROUPS); |
| 147 | rx_dma_chnl_grp[ii] = get_cyclic_rand(0, 3, 0, VIRT_NUM_RDMA_CHNLS); |
| 148 | rx_bind_grp_and_dma_ch(rdmc, ii, rx_dma_chnl_grp[ii]); |
| 149 | } |
| 150 | return; |
| 151 | } |
| 152 | |
| 153 | // rule check |
| 154 | if((chnl_num < 0 || chnl_num >= VIRT_NUM_RDMA_CHNLS)) { |
| 155 | printf("WARNING: RDMA chnl_num:%0d is not allowed range: 0 - %0d\n", |
| 156 | chnl_num, VIRT_NUM_RDMA_CHNLS - 1); |
| 157 | return; |
| 158 | } |
| 159 | |
| 160 | for(i=0;i<VIRT_NUM_GROUPS;i++) { |
| 161 | |
| 162 | if((rx_dma_chnl_grp[i] == chnl_num)) { |
| 163 | printf("<%0d> %s: WARNING : RDMA chnl_num:%0d is already bound to group:%0d \n", |
| 164 | get_time(LO), name, chnl_num, i); |
| 165 | return; |
| 166 | } |
| 167 | } |
| 168 | |
| 169 | for(i=0;i<VIRT_NUM_RDMA_CHNLS;i++) { |
| 170 | |
| 171 | if((rx_dma_chnl_grp[grp_num] == i)) { |
| 172 | printf("<%0d> %s: WARNING : RDMA group:%0d is already bound to channel:%0d \n", |
| 173 | get_time(LO), name, grp_num, i); |
| 174 | |
| 175 | return; |
| 176 | } |
| 177 | } |
| 178 | |
| 179 | // Bind |
| 180 | rx_dma_chnl_grp[grp_num] = chnl_num; |
| 181 | rx_bind_grp_and_dma_ch(rdmc, grp_num, chnl_num); |
| 182 | } |
| 183 | |
| 184 | task niu_dmc_virt::tx_bind_grp_and_dma_ch(niu_tx_test_class tdmc, |
| 185 | integer grp_num, |
| 186 | integer chnl_num) { |
| 187 | integer i; |
| 188 | // tx bind |
| 189 | printf("Binding : TDMA chnl:%0d to group:%0d\n", chnl_num, grp_num); |
| 190 | tdmc.group_from_dma_channel[chnl_num] = grp_num; |
| 191 | return; |
| 192 | } |
| 193 | |
| 194 | |
| 195 | task niu_dmc_virt::rx_bind_grp_and_dma_ch(CRDMC rdmc, |
| 196 | integer grp_num, |
| 197 | integer chnl_num) { |
| 198 | // rx bind |
| 199 | printf("Binding : RDMA chnl:%0d to group:%0d\n", chnl_num, grp_num); |
| 200 | rdmc.rx_dma[chnl_num].bind_to_group(grp_num); |
| 201 | return; |
| 202 | } |
| 203 | |
| 204 | function integer niu_dmc_virt::get_cyclic_rand(bit reset, |
| 205 | (integer array_num = 0), |
| 206 | (integer min = 0), |
| 207 | (integer max = 0)) { |
| 208 | static integer array_int [10][100]; |
| 209 | integer rnd ,done, i; |
| 210 | get_cyclic_rand = 0; |
| 211 | |
| 212 | if(reset) { |
| 213 | for(i=0;i<100;i++) { |
| 214 | array_int[array_num][i] = -1; |
| 215 | } |
| 216 | return; |
| 217 | } |
| 218 | |
| 219 | done = 0; |
| 220 | while(!done) { |
| 221 | rnd = urandom() % (max - min ) + min; |
| 222 | if(array_int[array_num][rnd] == -1) |
| 223 | done = 1; |
| 224 | array_int[array_num][rnd] = rnd; |
| 225 | } |
| 226 | get_cyclic_rand = rnd; |
| 227 | } |
| 228 | |
| 229 | task niu_dmc_virt::display_chnl_binding() { |
| 230 | integer i; |
| 231 | printf("==================== BINDING OPTIONS =====================\n"); |
| 232 | printf("Group\tTdmaChnl\tRdmaChnl\n"); |
| 233 | for(i=0;i<VIRT_NUM_GROUPS;i++) { |
| 234 | printf("%0d\t%0d\t\t%0d\n", i, tx_dma_chnl_grp[i], rx_dma_chnl_grp[i]); |
| 235 | } |
| 236 | printf("==================== BINDING OPTIONS =====================\n"); |
| 237 | } |
| 238 | |