examples/vm_power_manager/main.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2010-2014 Intel Corporation
   3  */
   4
   5 #include <stdio.h>
   6 #include <string.h>
   7 #include <stdint.h>
   8 #include <sys/epoll.h>
   9 #include <fcntl.h>
  10 #include <unistd.h>
  11 #include <stdlib.h>
  12 #include <signal.h>
  13 #include <errno.h>
  14
  15 #include <sys/queue.h>
  16
  17 #include <rte_common.h>
  18 #include <rte_eal.h>
  19 #include <rte_launch.h>
  20 #include <rte_log.h>
  21 #include <rte_per_lcore.h>
  22 #include <rte_lcore.h>
  23 #include <rte_ethdev.h>
  24 #include <getopt.h>
  25 #include <rte_cycles.h>
  26 #include <rte_debug.h>
  27
  28 #include "channel_manager.h"
  29 #include "channel_monitor.h"
  30 #include "power_manager.h"
  31 #include "vm_power_cli.h"
  32 #include "oob_monitor.h"
  33 #include "parse.h"
  34 #ifdef RTE_LIBRTE_IXGBE_PMD
  35 #include <rte_pmd_ixgbe.h>
  36 #endif
  37 #ifdef RTE_LIBRTE_I40E_PMD
  38 #include <rte_pmd_i40e.h>
  39 #endif
  40 #ifdef RTE_LIBRTE_BNXT_PMD
  41 #include <rte_pmd_bnxt.h>
  42 #endif
  43
  44 #define RX_RING_SIZE 1024
  45 #define TX_RING_SIZE 1024
  46
  47 #define NUM_MBUFS 8191
  48 #define MBUF_CACHE_SIZE 250
  49 #define BURST_SIZE 32
  50
  51 static uint32_t enabled_port_mask;
  52 static volatile bool force_quit;
  53
  54 /****************/
  55 static const struct rte_eth_conf port_conf_default = {
  56         .rxmode = {
  57                 .max_rx_pkt_len = RTE_ETHER_MAX_LEN,
  58         },
  59 };
  60
  61 static inline int
  62 port_init(uint16_t port, struct rte_mempool *mbuf_pool)
  63 {
  64         struct rte_eth_conf port_conf = port_conf_default;
  65         const uint16_t rx_rings = 1, tx_rings = 1;
  66         int retval;
  67         uint16_t q;
  68         struct rte_eth_dev_info dev_info;
  69         struct rte_eth_txconf txq_conf;
  70
  71         if (!rte_eth_dev_is_valid_port(port))
  72                 return -1;
  73
  74         rte_eth_dev_info_get(port, &dev_info);
  75         if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE)
  76                 port_conf.txmode.offloads |=
  77                         DEV_TX_OFFLOAD_MBUF_FAST_FREE;
  78
  79         /* Configure the Ethernet device. */
  80         retval = rte_eth_dev_configure(port, rx_rings, tx_rings, &port_conf);
  81         if (retval != 0)
  82                 return retval;
  83
  84         /* Allocate and set up 1 RX queue per Ethernet port. */
  85         for (q = 0; q < rx_rings; q++) {
  86                 retval = rte_eth_rx_queue_setup(port, q, RX_RING_SIZE,
  87                                 rte_eth_dev_socket_id(port), NULL, mbuf_pool);
  88                 if (retval < 0)
  89                         return retval;
  90         }
  91
  92         txq_conf = dev_info.default_txconf;
  93         txq_conf.offloads = port_conf.txmode.offloads;
  94         /* Allocate and set up 1 TX queue per Ethernet port. */
  95         for (q = 0; q < tx_rings; q++) {
  96                 retval = rte_eth_tx_queue_setup(port, q, TX_RING_SIZE,
  97                                 rte_eth_dev_socket_id(port), &txq_conf);
  98                 if (retval < 0)
  99                         return retval;
 100         }
 101
 102         /* Start the Ethernet port. */
 103         retval = rte_eth_dev_start(port);
 104         if (retval < 0)
 105                 return retval;
 106
 107         /* Display the port MAC address. */
 108         struct rte_ether_addr addr;
 109         rte_eth_macaddr_get(port, &addr);
 110         printf("Port %u MAC: %02" PRIx8 " %02" PRIx8 " %02" PRIx8
 111                            " %02" PRIx8 " %02" PRIx8 " %02" PRIx8 "\n",
 112                         (unsigned int)port,
 113                         addr.addr_bytes[0], addr.addr_bytes[1],
 114                         addr.addr_bytes[2], addr.addr_bytes[3],
 115                         addr.addr_bytes[4], addr.addr_bytes[5]);
 116
 117         /* Enable RX in promiscuous mode for the Ethernet device. */
 118         rte_eth_promiscuous_enable(port);
 119
 120
 121         return 0;
 122 }
 123
 124 static int
 125 parse_portmask(const char *portmask)
 126 {
 127         char *end = NULL;
 128         unsigned long pm;
 129
 130         /* parse hexadecimal string */
 131         pm = strtoul(portmask, &end, 16);
 132         if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
 133                 return -1;
 134
 135         if (pm == 0)
 136                 return -1;
 137
 138         return pm;
 139 }
 140 /* Parse the argument given in the command line of the application */
 141 static int
 142 parse_args(int argc, char **argv)
 143 {
 144         int opt, ret, cnt, i;
 145         char **argvopt;
 146         uint16_t *oob_enable;
 147         int option_index;
 148         char *prgname = argv[0];
 149         struct core_info *ci;
 150         float branch_ratio;
 151         static struct option lgopts[] = {
 152                 { "mac-updating", no_argument, 0, 1},
 153                 { "no-mac-updating", no_argument, 0, 0},
 154                 { "core-list", optional_argument, 0, 'l'},
 155                 { "port-list", optional_argument, 0, 'p'},
 156                 { "branch-ratio", optional_argument, 0, 'b'},
 157                 {NULL, 0, 0, 0}
 158         };
 159         argvopt = argv;
 160         ci = get_core_info();
 161
 162         while ((opt = getopt_long(argc, argvopt, "l:p:q:T:b:",
 163                                   lgopts, &option_index)) != EOF) {
 164
 165                 switch (opt) {
 166                 /* portmask */
 167                 case 'p':
 168                         enabled_port_mask = parse_portmask(optarg);
 169                         if (enabled_port_mask == 0) {
 170                                 printf("invalid portmask\n");
 171                                 return -1;
 172                         }
 173                         break;
 174                 case 'l':
 175                         oob_enable = malloc(ci->core_count * sizeof(uint16_t));
 176                         if (oob_enable == NULL) {
 177                                 printf("Error - Unable to allocate memory\n");
 178                                 return -1;
 179                         }
 180                         cnt = parse_set(optarg, oob_enable, ci->core_count);
 181                         if (cnt < 0) {
 182                                 printf("Invalid core-list - [%s]\n",
 183                                                 optarg);
 184                                 free(oob_enable);
 185                                 break;
 186                         }
 187                         for (i = 0; i < ci->core_count; i++) {
 188                                 if (oob_enable[i]) {
 189                                         printf("***Using core %d\n", i);
 190                                         ci->cd[i].oob_enabled = 1;
 191                                         ci->cd[i].global_enabled_cpus = 1;
 192                                 }
 193                         }
 194                         free(oob_enable);
 195                         break;
 196                 case 'b':
 197                         branch_ratio = 0.0;
 198                         if (strlen(optarg))
 199                                 branch_ratio = atof(optarg);
 200                         if (branch_ratio <= 0.0) {
 201                                 printf("invalid branch ratio specified\n");
 202                                 return -1;
 203                         }
 204                         ci->branch_ratio_threshold = branch_ratio;
 205                         printf("***Setting branch ratio to %f\n",
 206                                         branch_ratio);
 207                         break;
 208                 /* long options */
 209                 case 0:
 210                         break;
 211
 212                 default:
 213                         return -1;
 214                 }
 215         }
 216
 217         if (optind >= 0)
 218                 argv[optind-1] = prgname;
 219
 220         ret = optind-1;
 221         optind = 0; /* reset getopt lib */
 222         return ret;
 223 }
 224
 225 static void
 226 check_all_ports_link_status(uint32_t port_mask)
 227 {
 228 #define CHECK_INTERVAL 100 /* 100ms */
 229 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
 230         uint16_t portid, count, all_ports_up, print_flag = 0;
 231         struct rte_eth_link link;
 232
 233         printf("\nChecking link status");
 234         fflush(stdout);
 235         for (count = 0; count <= MAX_CHECK_TIME; count++) {
 236                 if (force_quit)
 237                         return;
 238                 all_ports_up = 1;
 239                 RTE_ETH_FOREACH_DEV(portid) {
 240                         if (force_quit)
 241                                 return;
 242                         if ((port_mask & (1 << portid)) == 0)
 243                                 continue;
 244                         memset(&link, 0, sizeof(link));
 245                         rte_eth_link_get_nowait(portid, &link);
 246                         /* print link status if flag set */
 247                         if (print_flag == 1) {
 248                                 if (link.link_status)
 249                                         printf("Port %d Link Up - speed %u "
 250                                                 "Mbps - %s\n", (uint16_t)portid,
 251                                                 (unsigned int)link.link_speed,
 252                                 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
 253                                         ("full-duplex") : ("half-duplex\n"));
 254                                 else
 255                                         printf("Port %d Link Down\n",
 256                                                 (uint16_t)portid);
 257                                 continue;
 258                         }
 259                        /* clear all_ports_up flag if any link down */
 260                         if (link.link_status == ETH_LINK_DOWN) {
 261                                 all_ports_up = 0;
 262                                 break;
 263                         }
 264                 }
 265                 /* after finally printing all link status, get out */
 266                 if (print_flag == 1)
 267                         break;
 268
 269                 if (all_ports_up == 0) {
 270                         printf(".");
 271                         fflush(stdout);
 272                         rte_delay_ms(CHECK_INTERVAL);
 273                 }
 274
 275                 /* set the print_flag if all ports up or timeout */
 276                 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
 277                         print_flag = 1;
 278                         printf("done\n");
 279                 }
 280         }
 281 }
 282 static int
 283 run_monitor(__attribute__((unused)) void *arg)
 284 {
 285         if (channel_monitor_init() < 0) {
 286                 printf("Unable to initialize channel monitor\n");
 287                 return -1;
 288         }
 289         run_channel_monitor();
 290         return 0;
 291 }
 292
 293 static int
 294 run_core_monitor(__attribute__((unused)) void *arg)
 295 {
 296         if (branch_monitor_init() < 0) {
 297                 printf("Unable to initialize core monitor\n");
 298                 return -1;
 299         }
 300         run_branch_monitor();
 301         return 0;
 302 }
 303
 304 static void
 305 sig_handler(int signo)
 306 {
 307         printf("Received signal %d, exiting...\n", signo);
 308         channel_monitor_exit();
 309         channel_manager_exit();
 310         power_manager_exit();
 311
 312 }
 313
 314 int
 315 main(int argc, char **argv)
 316 {
 317         int ret;
 318         unsigned lcore_id;
 319         unsigned int nb_ports;
 320         struct rte_mempool *mbuf_pool;
 321         uint16_t portid;
 322         struct core_info *ci;
 323
 324
 325         ret = core_info_init();
 326         if (ret < 0)
 327                 rte_panic("Cannot allocate core info\n");
 328
 329         ci = get_core_info();
 330
 331         ret = rte_eal_init(argc, argv);
 332         if (ret < 0)
 333                 rte_panic("Cannot init EAL\n");
 334
 335         signal(SIGINT, sig_handler);
 336         signal(SIGTERM, sig_handler);
 337
 338         argc -= ret;
 339         argv += ret;
 340
 341         /* parse application arguments (after the EAL ones) */
 342         ret = parse_args(argc, argv);
 343         if (ret < 0)
 344                 rte_exit(EXIT_FAILURE, "Invalid arguments\n");
 345
 346         nb_ports = rte_eth_dev_count_avail();
 347
 348         if (nb_ports > 0) {
 349                 mbuf_pool = rte_pktmbuf_pool_create("MBUF_POOL",
 350                                 NUM_MBUFS * nb_ports, MBUF_CACHE_SIZE, 0,
 351                                 RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id());
 352
 353                 if (mbuf_pool == NULL)
 354                         rte_exit(EXIT_FAILURE, "Cannot create mbuf pool\n");
 355
 356                 /* Initialize ports. */
 357                 RTE_ETH_FOREACH_DEV(portid) {
 358                         struct rte_ether_addr eth;
 359                         int w, j;
 360                         int ret;
 361
 362                         if ((enabled_port_mask & (1 << portid)) == 0)
 363                                 continue;
 364
 365                         eth.addr_bytes[0] = 0xe0;
 366                         eth.addr_bytes[1] = 0xe0;
 367                         eth.addr_bytes[2] = 0xe0;
 368                         eth.addr_bytes[3] = 0xe0;
 369                         eth.addr_bytes[4] = portid + 0xf0;
 370
 371                         if (port_init(portid, mbuf_pool) != 0)
 372                                 rte_exit(EXIT_FAILURE,
 373                                         "Cannot init port %"PRIu8 "\n",
 374                                         portid);
 375
 376                         for (w = 0; w < MAX_VFS; w++) {
 377                                 eth.addr_bytes[5] = w + 0xf0;
 378
 379                                 ret = -ENOTSUP;
 380 #ifdef RTE_LIBRTE_IXGBE_PMD
 381                                 ret = rte_pmd_ixgbe_set_vf_mac_addr(portid,
 382                                                         w, &eth);
 383 #endif
 384 #ifdef RTE_LIBRTE_I40E_PMD
 385                                 if (ret == -ENOTSUP)
 386                                         ret = rte_pmd_i40e_set_vf_mac_addr(
 387                                                         portid, w, &eth);
 388 #endif
 389 #ifdef RTE_LIBRTE_BNXT_PMD
 390                                 if (ret == -ENOTSUP)
 391                                         ret = rte_pmd_bnxt_set_vf_mac_addr(
 392                                                         portid, w, &eth);
 393 #endif
 394
 395                                 switch (ret) {
 396                                 case 0:
 397                                         printf("Port %d VF %d MAC: ",
 398                                                         portid, w);
 399                                         for (j = 0; j < 5; j++) {
 400                                                 printf("%02x:",
 401                                                         eth.addr_bytes[j]);
 402                                         }
 403                                         printf("%02x\n", eth.addr_bytes[5]);
 404                                         break;
 405                                 }
 406                                 printf("\n");
 407                         }
 408                 }
 409         }
 410
 411         check_all_ports_link_status(enabled_port_mask);
 412
 413         lcore_id = rte_get_next_lcore(-1, 1, 0);
 414         if (lcore_id == RTE_MAX_LCORE) {
 415                 RTE_LOG(ERR, EAL, "A minimum of three cores are required to run "
 416                                 "application\n");
 417                 return 0;
 418         }
 419         printf("Running channel monitor on lcore id %d\n", lcore_id);
 420         rte_eal_remote_launch(run_monitor, NULL, lcore_id);
 421
 422         lcore_id = rte_get_next_lcore(lcore_id, 1, 0);
 423         if (lcore_id == RTE_MAX_LCORE) {
 424                 RTE_LOG(ERR, EAL, "A minimum of three cores are required to run "
 425                                 "application\n");
 426                 return 0;
 427         }
 428         if (power_manager_init() < 0) {
 429                 printf("Unable to initialize power manager\n");
 430                 return -1;
 431         }
 432         if (channel_manager_init(CHANNEL_MGR_DEFAULT_HV_PATH) < 0) {
 433                 printf("Unable to initialize channel manager\n");
 434                 return -1;
 435         }
 436
 437         add_host_channel();
 438
 439         printf("Running core monitor on lcore id %d\n", lcore_id);
 440         rte_eal_remote_launch(run_core_monitor, NULL, lcore_id);
 441
 442         run_cli(NULL);
 443
 444         branch_monitor_exit();
 445
 446         rte_eal_mp_wait_lcore();
 447
 448         free(ci->cd);
 449
 450         return 0;
 451 }