event/cnxk: add macros to set eventdev operations
[dpdk.git] / examples / l3fwd-power / main.c
index 2874285..aa7b8db 100644 (file)
@@ -47,6 +47,7 @@
 #include <rte_power_empty_poll.h>
 #include <rte_metrics.h>
 #include <rte_telemetry.h>
+#include <rte_power_pmd_mgmt.h>
 
 #include "perf_core.h"
 #include "main.h"
@@ -199,11 +200,15 @@ enum appmode {
        APP_MODE_LEGACY,
        APP_MODE_EMPTY_POLL,
        APP_MODE_TELEMETRY,
-       APP_MODE_INTERRUPT
+       APP_MODE_INTERRUPT,
+       APP_MODE_PMD_MGMT
 };
 
 enum appmode app_mode;
 
+static enum rte_power_pmd_mgmt_type pmgmt_type;
+bool baseline_enabled;
+
 enum freq_scale_hint_t
 {
        FREQ_LOWER    =      -1,
@@ -906,7 +911,7 @@ static int event_register(struct lcore_conf *qconf)
        return 0;
 }
 
-/* main processing loop */
+/* Main processing loop. 8< */
 static int main_intr_loop(__rte_unused void *dummy)
 {
        struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
@@ -1069,6 +1074,7 @@ start_rx:
 
        return 0;
 }
+/* >8 End of main processing loop. */
 
 /* main processing loop */
 static int
@@ -1611,7 +1617,9 @@ print_usage(const char *prgname)
                " follow (training_flag, high_threshold, med_threshold)\n"
                " --telemetry: enable telemetry mode, to update"
                " empty polls, full polls, and core busyness to telemetry\n"
-               " --interrupt-only: enable interrupt-only mode\n",
+               " --interrupt-only: enable interrupt-only mode\n"
+               " --pmd-mgmt MODE: enable PMD power management mode. "
+               "Currently supported modes: baseline, monitor, pause, scale\n",
                prgname);
 }
 
@@ -1701,6 +1709,37 @@ parse_config(const char *q_arg)
 
        return 0;
 }
+
+static int
+parse_pmd_mgmt_config(const char *name)
+{
+#define PMD_MGMT_MONITOR "monitor"
+#define PMD_MGMT_PAUSE   "pause"
+#define PMD_MGMT_SCALE   "scale"
+#define PMD_MGMT_BASELINE  "baseline"
+
+       if (strncmp(PMD_MGMT_MONITOR, name, sizeof(PMD_MGMT_MONITOR)) == 0) {
+               pmgmt_type = RTE_POWER_MGMT_TYPE_MONITOR;
+               return 0;
+       }
+
+       if (strncmp(PMD_MGMT_PAUSE, name, sizeof(PMD_MGMT_PAUSE)) == 0) {
+               pmgmt_type = RTE_POWER_MGMT_TYPE_PAUSE;
+               return 0;
+       }
+
+       if (strncmp(PMD_MGMT_SCALE, name, sizeof(PMD_MGMT_SCALE)) == 0) {
+               pmgmt_type = RTE_POWER_MGMT_TYPE_SCALE;
+               return 0;
+       }
+       if (strncmp(PMD_MGMT_BASELINE, name, sizeof(PMD_MGMT_BASELINE)) == 0) {
+               baseline_enabled = true;
+               return 0;
+       }
+       /* unknown PMD power management mode */
+       return -1;
+}
+
 static int
 parse_ep_config(const char *q_arg)
 {
@@ -1716,7 +1755,7 @@ parse_ep_config(const char *q_arg)
        int hgh_edpi;
 
        ep_med_edpi = EMPTY_POLL_MED_THRESHOLD;
-       ep_hgh_edpi = EMPTY_POLL_MED_THRESHOLD;
+       ep_hgh_edpi = EMPTY_POLL_HGH_THRESHOLD;
 
        strlcpy(s, p, sizeof(s));
 
@@ -1739,7 +1778,7 @@ parse_ep_config(const char *q_arg)
                if (med_edpi > 0)
                        ep_med_edpi = med_edpi;
 
-               if (med_edpi > 0)
+               if (hgh_edpi > 0)
                        ep_hgh_edpi = hgh_edpi;
 
        } else {
@@ -1755,6 +1794,7 @@ parse_ep_config(const char *q_arg)
 #define CMD_LINE_OPT_EMPTY_POLL "empty-poll"
 #define CMD_LINE_OPT_INTERRUPT_ONLY "interrupt-only"
 #define CMD_LINE_OPT_TELEMETRY "telemetry"
+#define CMD_LINE_OPT_PMD_MGMT "pmd-mgmt"
 
 /* Parse the argument given in the command line of the application */
 static int
@@ -1776,6 +1816,7 @@ parse_args(int argc, char **argv)
                {CMD_LINE_OPT_LEGACY, 0, 0, 0},
                {CMD_LINE_OPT_TELEMETRY, 0, 0, 0},
                {CMD_LINE_OPT_INTERRUPT_ONLY, 0, 0, 0},
+               {CMD_LINE_OPT_PMD_MGMT, 1, 0, 0},
                {NULL, 0, 0, 0}
        };
 
@@ -1886,6 +1927,21 @@ parse_args(int argc, char **argv)
                                printf("telemetry mode is enabled\n");
                        }
 
+                       if (!strncmp(lgopts[option_index].name,
+                                       CMD_LINE_OPT_PMD_MGMT,
+                                       sizeof(CMD_LINE_OPT_PMD_MGMT))) {
+                               if (app_mode != APP_MODE_DEFAULT) {
+                                       printf(" power mgmt mode is mutually exclusive with other modes\n");
+                                       return -1;
+                               }
+                               if (parse_pmd_mgmt_config(optarg) < 0) {
+                                       printf(" Invalid PMD power management mode: %s\n",
+                                                       optarg);
+                                       return -1;
+                               }
+                               app_mode = APP_MODE_PMD_MGMT;
+                               printf("PMD power mgmt mode is enabled\n");
+                       }
                        if (!strncmp(lgopts[option_index].name,
                                        CMD_LINE_OPT_INTERRUPT_ONLY,
                                        sizeof(CMD_LINE_OPT_INTERRUPT_ONLY))) {
@@ -2442,11 +2498,14 @@ mode_to_str(enum appmode mode)
                return "telemetry";
        case APP_MODE_INTERRUPT:
                return "interrupt-only";
+       case APP_MODE_PMD_MGMT:
+               return "pmd mgmt";
        default:
                return "invalid";
        }
 }
 
+/* Power library initialized in the main routine. 8< */
 int
 main(int argc, char **argv)
 {
@@ -2477,6 +2536,9 @@ main(int argc, char **argv)
        /* init RTE timer library to be used late */
        rte_timer_subsystem_init();
 
+       /* if we're running pmd-mgmt mode, don't default to baseline mode */
+       baseline_enabled = false;
+
        /* parse application arguments (after the EAL ones) */
        ret = parse_args(argc, argv);
        if (ret < 0)
@@ -2671,6 +2733,7 @@ main(int argc, char **argv)
                qconf = &lcore_conf[lcore_id];
                printf("\nInitializing rx queues on lcore %u ... ", lcore_id );
                fflush(stdout);
+
                /* init RX queues */
                for(queue = 0; queue < qconf->n_rx_queue; ++queue) {
                        struct rte_eth_rxconf rxq_conf;
@@ -2707,11 +2770,20 @@ main(int argc, char **argv)
                                if (add_cb_parse_ptype(portid, queueid) < 0)
                                        rte_exit(EXIT_FAILURE,
                                                 "Fail to add ptype cb\n");
-                       } else if (!check_ptype(portid))
-                               rte_exit(EXIT_FAILURE,
-                                        "PMD can not provide needed ptypes\n");
+                       }
+
+                       if (app_mode == APP_MODE_PMD_MGMT && !baseline_enabled) {
+                               ret = rte_power_ethdev_pmgmt_queue_enable(
+                                               lcore_id, portid, queueid,
+                                               pmgmt_type);
+                               if (ret < 0)
+                                       rte_exit(EXIT_FAILURE,
+                                               "rte_power_ethdev_pmgmt_queue_enable: err=%d, port=%d\n",
+                                                       ret, portid);
+                       }
                }
        }
+       /* >8 End of power library initialization. */
 
        printf("\n");
 
@@ -2740,6 +2812,11 @@ main(int argc, char **argv)
                }
                /* initialize spinlock for each port */
                rte_spinlock_init(&(locks[portid]));
+
+               if (!parse_ptype)
+                       if (!check_ptype(portid))
+                               rte_exit(EXIT_FAILURE,
+                                       "PMD can not provide needed ptypes\n");
        }
 
        check_all_ports_link_status(enabled_port_mask);
@@ -2795,6 +2872,9 @@ main(int argc, char **argv)
                                                SKIP_MAIN);
        } else if (app_mode == APP_MODE_INTERRUPT) {
                rte_eal_mp_remote_launch(main_intr_loop, NULL, CALL_MAIN);
+       } else if (app_mode == APP_MODE_PMD_MGMT) {
+               /* reuse telemetry loop for PMD power management mode */
+               rte_eal_mp_remote_launch(main_telemetry_loop, NULL, CALL_MAIN);
        }
 
        if (app_mode == APP_MODE_EMPTY_POLL || app_mode == APP_MODE_TELEMETRY)
@@ -2805,6 +2885,21 @@ main(int argc, char **argv)
                        return -1;
        }
 
+       if (app_mode == APP_MODE_PMD_MGMT) {
+               for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
+                       if (rte_lcore_is_enabled(lcore_id) == 0)
+                               continue;
+                       qconf = &lcore_conf[lcore_id];
+                       for (queue = 0; queue < qconf->n_rx_queue; ++queue) {
+                               portid = qconf->rx_queue_list[queue].port_id;
+                               queueid = qconf->rx_queue_list[queue].queue_id;
+
+                               rte_power_ethdev_pmgmt_queue_disable(lcore_id,
+                                               portid, queueid);
+                       }
+               }
+       }
+
        RTE_ETH_FOREACH_DEV(portid)
        {
                if ((enabled_port_mask & (1 << portid)) == 0)