1 /*- 2 * BSD LICENSE 3 * 4 * Copyright (c) 2015-2017 Atomic Rules LLC 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 11 * * Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * * Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in 15 * the documentation and/or other materials provided with the 16 * distribution. 17 * * Neither the name of copyright holder nor the names of its 18 * contributors may be used to endorse or promote products derived 19 * from this software without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 22 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 24 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 25 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 26 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 27 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 31 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34 #include <unistd.h> 35 36 #include "ark_logs.h" 37 #include "ark_udm.h" 38 39 int 40 ark_udm_verify(struct ark_udm_t *udm) 41 { 42 if (sizeof(struct ark_udm_t) != ARK_UDM_EXPECT_SIZE) { 43 PMD_DRV_LOG(ERR, 44 "ARK: UDM structure looks incorrect %d vs %zd\n", 45 ARK_UDM_EXPECT_SIZE, sizeof(struct ark_udm_t)); 46 return -1; 47 } 48 49 if (udm->setup.const0 != ARK_UDM_CONST) { 50 PMD_DRV_LOG(ERR, 51 "ARK: UDM module not found as expected 0x%08x\n", 52 udm->setup.const0); 53 return -1; 54 } 55 return 0; 56 } 57 58 int 59 ark_udm_stop(struct ark_udm_t *udm, const int wait) 60 { 61 int cnt = 0; 62 63 udm->cfg.command = 2; 64 65 while (wait && (udm->cfg.stop_flushed & 0x01) == 0) { 66 if (cnt++ > 1000) 67 return 1; 68 69 usleep(10); 70 } 71 return 0; 72 } 73 74 int 75 ark_udm_reset(struct ark_udm_t *udm) 76 { 77 int status; 78 79 status = ark_udm_stop(udm, 1); 80 if (status != 0) { 81 PMD_DEBUG_LOG(INFO, "%s stop failed doing forced reset\n", 82 __func__); 83 udm->cfg.command = 4; 84 usleep(10); 85 udm->cfg.command = 3; 86 status = ark_udm_stop(udm, 0); 87 PMD_DEBUG_LOG(INFO, "%s stop status %d post failure" 88 " and forced reset\n", 89 __func__, status); 90 } else { 91 udm->cfg.command = 3; 92 } 93 94 return status; 95 } 96 97 void 98 ark_udm_start(struct ark_udm_t *udm) 99 { 100 udm->cfg.command = 1; 101 } 102 103 void 104 ark_udm_stats_reset(struct ark_udm_t *udm) 105 { 106 udm->pcibp.pci_clear = 1; 107 udm->tlp_ps.tlp_clear = 1; 108 } 109 110 void 111 ark_udm_configure(struct ark_udm_t *udm, 112 uint32_t headroom, 113 uint32_t dataroom, 114 uint32_t write_interval_ns) 115 { 116 /* headroom and data room are in DWords in the UDM */ 117 udm->cfg.dataroom = dataroom / 4; 118 udm->cfg.headroom = headroom / 4; 119 120 /* 4 NS period ns */ 121 udm->rt_cfg.write_interval = write_interval_ns / 4; 122 } 123 124 void 125 ark_udm_write_addr(struct ark_udm_t *udm, rte_iova_t addr) 126 { 127 udm->rt_cfg.hw_prod_addr = addr; 128 } 129 130 int 131 ark_udm_is_flushed(struct ark_udm_t *udm) 132 { 133 return (udm->cfg.stop_flushed & 0x01) != 0; 134 } 135 136 uint64_t 137 ark_udm_dropped(struct ark_udm_t *udm) 138 { 139 return udm->qstats.q_pkt_drop; 140 } 141 142 uint64_t 143 ark_udm_bytes(struct ark_udm_t *udm) 144 { 145 return udm->qstats.q_byte_count; 146 } 147 148 uint64_t 149 ark_udm_packets(struct ark_udm_t *udm) 150 { 151 return udm->qstats.q_ff_packet_count; 152 } 153 154 void 155 ark_udm_dump_stats(struct ark_udm_t *udm, const char *msg) 156 { 157 PMD_STATS_LOG(INFO, "UDM Stats: %s" 158 ARK_SU64 ARK_SU64 ARK_SU64 ARK_SU64 ARK_SU64 "\n", 159 msg, 160 "Pkts Received", udm->stats.rx_packet_count, 161 "Pkts Finalized", udm->stats.rx_sent_packets, 162 "Pkts Dropped", udm->tlp.pkt_drop, 163 "Bytes Count", udm->stats.rx_byte_count, 164 "MBuf Count", udm->stats.rx_mbuf_count); 165 } 166 167 void 168 ark_udm_dump_queue_stats(struct ark_udm_t *udm, const char *msg, uint16_t qid) 169 { 170 PMD_STATS_LOG(INFO, "UDM Queue %3u Stats: %s" 171 ARK_SU64 ARK_SU64 172 ARK_SU64 ARK_SU64 173 ARK_SU64 "\n", 174 qid, msg, 175 "Pkts Received", udm->qstats.q_packet_count, 176 "Pkts Finalized", udm->qstats.q_ff_packet_count, 177 "Pkts Dropped", udm->qstats.q_pkt_drop, 178 "Bytes Count", udm->qstats.q_byte_count, 179 "MBuf Count", udm->qstats.q_mbuf_count); 180 } 181 182 void 183 ark_udm_dump(struct ark_udm_t *udm, const char *msg) 184 { 185 PMD_DEBUG_LOG(DEBUG, "UDM Dump: %s Stopped: %d\n", msg, 186 udm->cfg.stop_flushed); 187 } 188 189 void 190 ark_udm_dump_setup(struct ark_udm_t *udm, uint16_t q_id) 191 { 192 PMD_DEBUG_LOG(DEBUG, "UDM Setup Q: %u" 193 ARK_SU64X ARK_SU32 "\n", 194 q_id, 195 "hw_prod_addr", udm->rt_cfg.hw_prod_addr, 196 "prod_idx", udm->rt_cfg.prod_idx); 197 } 198 199 void 200 ark_udm_dump_perf(struct ark_udm_t *udm, const char *msg) 201 { 202 struct ark_udm_pcibp_t *bp = &udm->pcibp; 203 204 PMD_STATS_LOG(INFO, "UDM Performance %s" 205 ARK_SU32 ARK_SU32 ARK_SU32 ARK_SU32 ARK_SU32 ARK_SU32 206 "\n", 207 msg, 208 "PCI Empty", bp->pci_empty, 209 "PCI Q1", bp->pci_q1, 210 "PCI Q2", bp->pci_q2, 211 "PCI Q3", bp->pci_q3, 212 "PCI Q4", bp->pci_q4, 213 "PCI Full", bp->pci_full); 214 } 215 216 void 217 ark_udm_queue_stats_reset(struct ark_udm_t *udm) 218 { 219 udm->qstats.q_byte_count = 1; 220 } 221 222 void 223 ark_udm_queue_enable(struct ark_udm_t *udm, int enable) 224 { 225 udm->qstats.q_enable = enable ? 1 : 0; 226 } 227