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_NET_IXGBE
  35 #include <rte_pmd_ixgbe.h>
  36 #endif
  37 #ifdef RTE_NET_I40E
  38 #include <rte_pmd_i40e.h>
  39 #endif
  40 #ifdef RTE_NET_BNXT
  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 static inline int
  55 port_init(uint16_t port, struct rte_mempool *mbuf_pool)
  56 {
  57         struct rte_eth_conf port_conf;
  58         const uint16_t rx_rings = 1, tx_rings = 1;
  59         int retval;
  60         uint16_t q;
  61         struct rte_eth_dev_info dev_info;
  62         struct rte_eth_txconf txq_conf;
  63
  64         if (!rte_eth_dev_is_valid_port(port))
  65                 return -1;
  66
  67         memset(&port_conf, 0, sizeof(struct rte_eth_conf));
  68
  69         retval = rte_eth_dev_info_get(port, &dev_info);
  70         if (retval != 0) {
  71                 printf("Error during getting device (port %u) info: %s\n",
  72                                 port, strerror(-retval));
  73                 return retval;
  74         }
  75
  76         if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE)
  77                 port_conf.txmode.offloads |=
  78                         DEV_TX_OFFLOAD_MBUF_FAST_FREE;
  79
  80         /* Configure the Ethernet device. */
  81         retval = rte_eth_dev_configure(port, rx_rings, tx_rings, &port_conf);
  82         if (retval != 0)
  83                 return retval;
  84
  85         /* Allocate and set up 1 RX queue per Ethernet port. */
  86         for (q = 0; q < rx_rings; q++) {
  87                 retval = rte_eth_rx_queue_setup(port, q, RX_RING_SIZE,
  88                                 rte_eth_dev_socket_id(port), NULL, mbuf_pool);
  89                 if (retval < 0)
  90                         return retval;
  91         }
  92
  93         txq_conf = dev_info.default_txconf;
  94         txq_conf.offloads = port_conf.txmode.offloads;
  95         /* Allocate and set up 1 TX queue per Ethernet port. */
  96         for (q = 0; q < tx_rings; q++) {
  97                 retval = rte_eth_tx_queue_setup(port, q, TX_RING_SIZE,
  98                                 rte_eth_dev_socket_id(port), &txq_conf);
  99                 if (retval < 0)
 100                         return retval;
 101         }
 102
 103         /* Start the Ethernet port. */
 104         retval = rte_eth_dev_start(port);
 105         if (retval < 0)
 106                 return retval;
 107
 108         /* Display the port MAC address. */
 109         struct rte_ether_addr addr;
 110         retval = rte_eth_macaddr_get(port, &addr);
 111         if (retval != 0) {
 112                 printf("Failed to get device (port %u) MAC address: %s\n",
 113                                 port, rte_strerror(-retval));
 114                 return retval;
 115         }
 116
 117         printf("Port %u MAC: %02" PRIx8 " %02" PRIx8 " %02" PRIx8
 118                            " %02" PRIx8 " %02" PRIx8 " %02" PRIx8 "\n",
 119                         (unsigned int)port, RTE_ETHER_ADDR_BYTES(&addr));
 120
 121         /* Enable RX in promiscuous mode for the Ethernet device. */
 122         retval = rte_eth_promiscuous_enable(port);
 123         if (retval != 0)
 124                 return retval;
 125
 126
 127         return 0;
 128 }
 129
 130 static int
 131 parse_portmask(const char *portmask)
 132 {
 133         char *end = NULL;
 134         unsigned long pm;
 135
 136         /* parse hexadecimal string */
 137         pm = strtoul(portmask, &end, 16);
 138         if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
 139                 return 0;
 140
 141         return pm;
 142 }
 143 /* Parse the argument given in the command line of the application */
 144 static int
 145 parse_args(int argc, char **argv)
 146 {
 147         int opt, ret, cnt, i;
 148         char **argvopt;
 149         uint16_t *oob_enable;
 150         int option_index;
 151         char *prgname = argv[0];
 152         struct core_info *ci;
 153         float branch_ratio;
 154         static struct option lgopts[] = {
 155                 { "mac-updating", no_argument, 0, 1},
 156                 { "no-mac-updating", no_argument, 0, 0},
 157                 { "core-branch-ratio", optional_argument, 0, 'b'},
 158                 { "port-list", optional_argument, 0, 'p'},
 159                 {NULL, 0, 0, 0}
 160         };
 161         argvopt = argv;
 162         ci = get_core_info();
 163
 164         while ((opt = getopt_long(argc, argvopt, "p:q:T:b:",
 165                                   lgopts, &option_index)) != EOF) {
 166
 167                 switch (opt) {
 168                 /* portmask */
 169                 case 'p':
 170                         enabled_port_mask = parse_portmask(optarg);
 171                         if (enabled_port_mask == 0) {
 172                                 printf("invalid portmask\n");
 173                                 return -1;
 174                         }
 175                         break;
 176                 case 'b':
 177                         branch_ratio = BRANCH_RATIO_THRESHOLD;
 178                         oob_enable = malloc(ci->core_count * sizeof(uint16_t));
 179                         if (oob_enable == NULL) {
 180                                 printf("Error - Unable to allocate memory\n");
 181                                 return -1;
 182                         }
 183                         cnt = parse_set(optarg, oob_enable, ci->core_count);
 184                         if (cnt < 0) {
 185                                 printf("Invalid core-list section in "
 186                                        "core-branch-ratio matrix - [%s]\n",
 187                                                 optarg);
 188                                 free(oob_enable);
 189                                 break;
 190                         }
 191                         cnt = parse_branch_ratio(optarg, &branch_ratio);
 192                         if (cnt < 0) {
 193                                 printf("Invalid branch-ratio section in "
 194                                        "core-branch-ratio matrix - [%s]\n",
 195                                                 optarg);
 196                                 free(oob_enable);
 197                                 break;
 198                         }
 199                         if (branch_ratio <= 0.0 || branch_ratio > 100.0) {
 200                                 printf("invalid branch ratio specified\n");
 201                                 free(oob_enable);
 202                                 return -1;
 203                         }
 204                         for (i = 0; i < ci->core_count; i++) {
 205                                 if (oob_enable[i]) {
 206                                         printf("***Using core %d "
 207                                                "with branch ratio %f\n",
 208                                                i, branch_ratio);
 209                                         ci->cd[i].oob_enabled = 1;
 210                                         ci->cd[i].global_enabled_cpus = 1;
 211                                         ci->cd[i].branch_ratio_threshold =
 212                                                                 branch_ratio;
 213                                 }
 214                         }
 215                         free(oob_enable);
 216                         break;
 217                 /* long options */
 218                 case 0:
 219                         break;
 220
 221                 default:
 222                         return -1;
 223                 }
 224         }
 225
 226         if (optind >= 0)
 227                 argv[optind-1] = prgname;
 228
 229         ret = optind-1;
 230         optind = 0; /* reset getopt lib */
 231         return ret;
 232 }
 233
 234 static void
 235 check_all_ports_link_status(uint32_t port_mask)
 236 {
 237 #define CHECK_INTERVAL 100 /* 100ms */
 238 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
 239         uint16_t portid, count, all_ports_up, print_flag = 0;
 240         struct rte_eth_link link;
 241         int ret;
 242         char link_status_text[RTE_ETH_LINK_MAX_STR_LEN];
 243
 244         printf("\nChecking link status");
 245         fflush(stdout);
 246         for (count = 0; count <= MAX_CHECK_TIME; count++) {
 247                 if (force_quit)
 248                         return;
 249                 all_ports_up = 1;
 250                 RTE_ETH_FOREACH_DEV(portid) {
 251                         if (force_quit)
 252                                 return;
 253                         if ((port_mask & (1 << portid)) == 0)
 254                                 continue;
 255                         memset(&link, 0, sizeof(link));
 256                         ret = rte_eth_link_get_nowait(portid, &link);
 257                         if (ret < 0) {
 258                                 all_ports_up = 0;
 259                                 if (print_flag == 1)
 260                                         printf("Port %u link get failed: %s\n",
 261                                                 portid, rte_strerror(-ret));
 262                                 continue;
 263                         }
 264                         /* print link status if flag set */
 265                         if (print_flag == 1) {
 266                                 rte_eth_link_to_str(link_status_text,
 267                                         sizeof(link_status_text), &link);
 268                                 printf("Port %d %s\n", portid,
 269                                        link_status_text);
 270                                 continue;
 271                         }
 272                        /* clear all_ports_up flag if any link down */
 273                         if (link.link_status == ETH_LINK_DOWN) {
 274                                 all_ports_up = 0;
 275                                 break;
 276                         }
 277                 }
 278                 /* after finally printing all link status, get out */
 279                 if (print_flag == 1)
 280                         break;
 281
 282                 if (all_ports_up == 0) {
 283                         printf(".");
 284                         fflush(stdout);
 285                         rte_delay_ms(CHECK_INTERVAL);
 286                 }
 287
 288                 /* set the print_flag if all ports up or timeout */
 289                 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
 290                         print_flag = 1;
 291                         printf("done\n");
 292                 }
 293         }
 294 }
 295 static int
 296 run_monitor(__rte_unused void *arg)
 297 {
 298         if (channel_monitor_init() < 0) {
 299                 printf("Unable to initialize channel monitor\n");
 300                 return -1;
 301         }
 302         run_channel_monitor();
 303         return 0;
 304 }
 305
 306 static int
 307 run_core_monitor(__rte_unused void *arg)
 308 {
 309         if (branch_monitor_init() < 0) {
 310                 printf("Unable to initialize core monitor\n");
 311                 return -1;
 312         }
 313         run_branch_monitor();
 314         return 0;
 315 }
 316
 317 static void
 318 sig_handler(int signo)
 319 {
 320         printf("Received signal %d, exiting...\n", signo);
 321         channel_monitor_exit();
 322         channel_manager_exit();
 323         power_manager_exit();
 324
 325 }
 326
 327 int
 328 main(int argc, char **argv)
 329 {
 330         int ret;
 331         unsigned lcore_id;
 332         unsigned int nb_ports;
 333         struct rte_mempool *mbuf_pool;
 334         uint16_t portid;
 335         struct core_info *ci;
 336
 337
 338         ret = core_info_init();
 339         if (ret < 0)
 340                 rte_panic("Cannot allocate core info\n");
 341
 342         ci = get_core_info();
 343
 344         ret = rte_eal_init(argc, argv);
 345         if (ret < 0)
 346                 rte_panic("Cannot init EAL\n");
 347
 348         signal(SIGINT, sig_handler);
 349         signal(SIGTERM, sig_handler);
 350
 351         argc -= ret;
 352         argv += ret;
 353
 354         /* parse application arguments (after the EAL ones) */
 355         ret = parse_args(argc, argv);
 356         if (ret < 0)
 357                 rte_exit(EXIT_FAILURE, "Invalid arguments\n");
 358
 359         nb_ports = rte_eth_dev_count_avail();
 360
 361         if (nb_ports > 0) {
 362                 mbuf_pool = rte_pktmbuf_pool_create("MBUF_POOL",
 363                                 NUM_MBUFS * nb_ports, MBUF_CACHE_SIZE, 0,
 364                                 RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id());
 365
 366                 if (mbuf_pool == NULL)
 367                         rte_exit(EXIT_FAILURE, "Cannot create mbuf pool\n");
 368
 369                 /* Initialize ports. */
 370                 RTE_ETH_FOREACH_DEV(portid) {
 371                         struct rte_ether_addr eth;
 372                         int w, j;
 373                         int ret;
 374
 375                         if ((enabled_port_mask & (1 << portid)) == 0)
 376                                 continue;
 377
 378                         eth.addr_bytes[0] = 0xe0;
 379                         eth.addr_bytes[1] = 0xe0;
 380                         eth.addr_bytes[2] = 0xe0;
 381                         eth.addr_bytes[3] = 0xe0;
 382                         eth.addr_bytes[4] = portid + 0xf0;
 383
 384                         if (port_init(portid, mbuf_pool) != 0)
 385                                 rte_exit(EXIT_FAILURE,
 386                                         "Cannot init port %"PRIu8 "\n",
 387                                         portid);
 388
 389                         for (w = 0; w < RTE_POWER_MAX_VFS; w++) {
 390                                 eth.addr_bytes[5] = w + 0xf0;
 391
 392                                 ret = -ENOTSUP;
 393 #ifdef RTE_NET_IXGBE
 394                                 ret = rte_pmd_ixgbe_set_vf_mac_addr(portid,
 395                                                         w, &eth);
 396 #endif
 397 #ifdef RTE_NET_I40E
 398                                 if (ret == -ENOTSUP)
 399                                         ret = rte_pmd_i40e_set_vf_mac_addr(
 400                                                         portid, w, &eth);
 401 #endif
 402 #ifdef RTE_NET_BNXT
 403                                 if (ret == -ENOTSUP)
 404                                         ret = rte_pmd_bnxt_set_vf_mac_addr(
 405                                                         portid, w, &eth);
 406 #endif
 407
 408                                 switch (ret) {
 409                                 case 0:
 410                                         printf("Port %d VF %d MAC: ",
 411                                                         portid, w);
 412                                         for (j = 0; j < 5; j++) {
 413                                                 printf("%02x:",
 414                                                         eth.addr_bytes[j]);
 415                                         }
 416                                         printf("%02x\n", eth.addr_bytes[5]);
 417                                         break;
 418                                 }
 419                                 printf("\n");
 420                         }
 421                 }
 422         }
 423
 424         check_all_ports_link_status(enabled_port_mask);
 425
 426         lcore_id = rte_get_next_lcore(-1, 1, 0);
 427         if (lcore_id == RTE_MAX_LCORE) {
 428                 RTE_LOG(ERR, EAL, "A minimum of three cores are required to run "
 429                                 "application\n");
 430                 return 0;
 431         }
 432         printf("Running channel monitor on lcore id %d\n", lcore_id);
 433         rte_eal_remote_launch(run_monitor, NULL, lcore_id);
 434
 435         lcore_id = rte_get_next_lcore(lcore_id, 1, 0);
 436         if (lcore_id == RTE_MAX_LCORE) {
 437                 RTE_LOG(ERR, EAL, "A minimum of three cores are required to run "
 438                                 "application\n");
 439                 return 0;
 440         }
 441         if (power_manager_init() < 0) {
 442                 printf("Unable to initialize power manager\n");
 443                 return -1;
 444         }
 445         if (channel_manager_init(CHANNEL_MGR_DEFAULT_HV_PATH) < 0) {
 446                 printf("Unable to initialize channel manager\n");
 447                 return -1;
 448         }
 449
 450         add_host_channels();
 451
 452         printf("Running core monitor on lcore id %d\n", lcore_id);
 453         rte_eal_remote_launch(run_core_monitor, NULL, lcore_id);
 454
 455         run_cli(NULL);
 456
 457         branch_monitor_exit();
 458
 459         rte_eal_mp_wait_lcore();
 460
 461         free(ci->cd);
 462
 463         /* clean up the EAL */
 464         rte_eal_cleanup();
 465
 466         return 0;
 467 }