examples/vm_power_manager/guest_cli/vm_power_cli_guest.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2010-2014 Intel Corporation
   3  */
   4
   5
   6 #include <stdint.h>
   7 #include <string.h>
   8 #include <stdio.h>
   9 #include <termios.h>
  10
  11 #include <cmdline_rdline.h>
  12 #include <cmdline_parse.h>
  13 #include <cmdline_parse_string.h>
  14 #include <cmdline_parse_num.h>
  15 #include <cmdline_socket.h>
  16 #include <cmdline.h>
  17 #include <rte_log.h>
  18 #include <rte_lcore.h>
  19 #include <rte_ethdev.h>
  20
  21 #include <rte_power.h>
  22 #include <guest_channel.h>
  23
  24 #include "vm_power_cli_guest.h"
  25
  26
  27 #define CHANNEL_PATH "/dev/virtio-ports/virtio.serial.port.poweragent"
  28
  29
  30 #define RTE_LOGTYPE_GUEST_CHANNEL RTE_LOGTYPE_USER1
  31
  32 struct cmd_quit_result {
  33         cmdline_fixed_string_t quit;
  34 };
  35
  36 union PFID {
  37         struct ether_addr addr;
  38         uint64_t pfid;
  39 };
  40
  41 static struct channel_packet policy;
  42
  43 struct channel_packet *
  44 get_policy(void)
  45 {
  46         return &policy;
  47 }
  48
  49 int
  50 set_policy_mac(int port, int idx)
  51 {
  52         struct channel_packet *policy;
  53         union PFID pfid;
  54
  55         /* Use port MAC address as the vfid */
  56         rte_eth_macaddr_get(port, &pfid.addr);
  57
  58         printf("Port %u MAC: %02" PRIx8 ":%02" PRIx8 ":%02" PRIx8 ":"
  59                         "%02" PRIx8 ":%02" PRIx8 ":%02" PRIx8 "\n",
  60                         port,
  61                         pfid.addr.addr_bytes[0], pfid.addr.addr_bytes[1],
  62                         pfid.addr.addr_bytes[2], pfid.addr.addr_bytes[3],
  63                         pfid.addr.addr_bytes[4], pfid.addr.addr_bytes[5]);
  64         policy = get_policy();
  65         policy->vfid[idx] = pfid.pfid;
  66         return 0;
  67 }
  68
  69 void
  70 set_policy_defaults(struct channel_packet *pkt)
  71 {
  72         set_policy_mac(0, 0);
  73         pkt->nb_mac_to_monitor = 1;
  74
  75         pkt->t_boost_status.tbEnabled = false;
  76
  77         pkt->vcpu_to_control[0] = 0;
  78         pkt->vcpu_to_control[1] = 1;
  79         pkt->num_vcpu = 2;
  80         /* Dummy Population. */
  81         pkt->traffic_policy.min_packet_thresh = 96000;
  82         pkt->traffic_policy.avg_max_packet_thresh = 1800000;
  83         pkt->traffic_policy.max_max_packet_thresh = 2000000;
  84
  85         pkt->timer_policy.busy_hours[0] = 3;
  86         pkt->timer_policy.busy_hours[1] = 4;
  87         pkt->timer_policy.busy_hours[2] = 5;
  88         pkt->timer_policy.quiet_hours[0] = 11;
  89         pkt->timer_policy.quiet_hours[1] = 12;
  90         pkt->timer_policy.quiet_hours[2] = 13;
  91
  92         pkt->timer_policy.hours_to_use_traffic_profile[0] = 8;
  93         pkt->timer_policy.hours_to_use_traffic_profile[1] = 10;
  94
  95         pkt->workload = LOW;
  96         pkt->policy_to_use = TIME;
  97         pkt->command = PKT_POLICY;
  98         strcpy(pkt->vm_name, "ubuntu2");
  99 }
 100
 101 static void cmd_quit_parsed(__attribute__((unused)) void *parsed_result,
 102                                 __attribute__((unused)) struct cmdline *cl,
 103                             __attribute__((unused)) void *data)
 104 {
 105         unsigned lcore_id;
 106
 107         RTE_LCORE_FOREACH(lcore_id) {
 108                 rte_power_exit(lcore_id);
 109         }
 110         cmdline_quit(cl);
 111 }
 112
 113 cmdline_parse_token_string_t cmd_quit_quit =
 114         TOKEN_STRING_INITIALIZER(struct cmd_quit_result, quit, "quit");
 115
 116 cmdline_parse_inst_t cmd_quit = {
 117         .f = cmd_quit_parsed,  /* function to call */
 118         .data = NULL,      /* 2nd arg of func */
 119         .help_str = "close the application",
 120         .tokens = {        /* token list, NULL terminated */
 121                 (void *)&cmd_quit_quit,
 122                 NULL,
 123         },
 124 };
 125
 126 /* *** VM operations *** */
 127
 128 struct cmd_set_cpu_freq_result {
 129         cmdline_fixed_string_t set_cpu_freq;
 130         uint8_t lcore_id;
 131         cmdline_fixed_string_t cmd;
 132 };
 133
 134 static void
 135 cmd_set_cpu_freq_parsed(void *parsed_result, struct cmdline *cl,
 136                        __attribute__((unused)) void *data)
 137 {
 138         int ret = -1;
 139         struct cmd_set_cpu_freq_result *res = parsed_result;
 140
 141         if (!strcmp(res->cmd , "up"))
 142                 ret = rte_power_freq_up(res->lcore_id);
 143         else if (!strcmp(res->cmd , "down"))
 144                 ret = rte_power_freq_down(res->lcore_id);
 145         else if (!strcmp(res->cmd , "min"))
 146                 ret = rte_power_freq_min(res->lcore_id);
 147         else if (!strcmp(res->cmd , "max"))
 148                 ret = rte_power_freq_max(res->lcore_id);
 149         else if (!strcmp(res->cmd, "enable_turbo"))
 150                 ret = rte_power_freq_enable_turbo(res->lcore_id);
 151         else if (!strcmp(res->cmd, "disable_turbo"))
 152                 ret = rte_power_freq_disable_turbo(res->lcore_id);
 153         if (ret != 1)
 154                 cmdline_printf(cl, "Error sending message: %s\n", strerror(ret));
 155 }
 156
 157 cmdline_parse_token_string_t cmd_set_cpu_freq =
 158         TOKEN_STRING_INITIALIZER(struct cmd_set_cpu_freq_result,
 159                         set_cpu_freq, "set_cpu_freq");
 160 cmdline_parse_token_string_t cmd_set_cpu_freq_core_num =
 161         TOKEN_NUM_INITIALIZER(struct cmd_set_cpu_freq_result,
 162                         lcore_id, UINT8);
 163 cmdline_parse_token_string_t cmd_set_cpu_freq_cmd_cmd =
 164         TOKEN_STRING_INITIALIZER(struct cmd_set_cpu_freq_result,
 165                         cmd, "up#down#min#max#enable_turbo#disable_turbo");
 166
 167 cmdline_parse_inst_t cmd_set_cpu_freq_set = {
 168         .f = cmd_set_cpu_freq_parsed,
 169         .data = NULL,
 170         .help_str = "set_cpu_freq <core_num> "
 171                         "<up|down|min|max|enable_turbo|disable_turbo>, "
 172                         "adjust the frequency for the specified core.",
 173         .tokens = {
 174                 (void *)&cmd_set_cpu_freq,
 175                 (void *)&cmd_set_cpu_freq_core_num,
 176                 (void *)&cmd_set_cpu_freq_cmd_cmd,
 177                 NULL,
 178         },
 179 };
 180
 181 struct cmd_send_policy_result {
 182         cmdline_fixed_string_t send_policy;
 183         cmdline_fixed_string_t cmd;
 184 };
 185
 186 static inline int
 187 send_policy(struct channel_packet *pkt)
 188 {
 189         int ret;
 190
 191         ret = rte_power_guest_channel_send_msg(pkt, 1);
 192         if (ret == 0)
 193                 return 1;
 194         RTE_LOG(DEBUG, POWER, "Error sending message: %s\n",
 195                         ret > 0 ? strerror(ret) : "channel not connected");
 196         return -1;
 197 }
 198
 199 static void
 200 cmd_send_policy_parsed(void *parsed_result, struct cmdline *cl,
 201                        __attribute__((unused)) void *data)
 202 {
 203         int ret = -1;
 204         struct cmd_send_policy_result *res = parsed_result;
 205
 206         if (!strcmp(res->cmd, "now")) {
 207                 printf("Sending Policy down now!\n");
 208                 ret = send_policy(&policy);
 209         }
 210         if (ret != 1)
 211                 cmdline_printf(cl, "Error sending message: %s\n",
 212                                 strerror(ret));
 213 }
 214
 215 cmdline_parse_token_string_t cmd_send_policy =
 216         TOKEN_STRING_INITIALIZER(struct cmd_send_policy_result,
 217                         send_policy, "send_policy");
 218 cmdline_parse_token_string_t cmd_send_policy_cmd_cmd =
 219         TOKEN_STRING_INITIALIZER(struct cmd_send_policy_result,
 220                         cmd, "now");
 221
 222 cmdline_parse_inst_t cmd_send_policy_set = {
 223         .f = cmd_send_policy_parsed,
 224         .data = NULL,
 225         .help_str = "send_policy now",
 226         .tokens = {
 227                 (void *)&cmd_send_policy,
 228                 (void *)&cmd_send_policy_cmd_cmd,
 229                 NULL,
 230         },
 231 };
 232
 233 cmdline_parse_ctx_t main_ctx[] = {
 234                 (cmdline_parse_inst_t *)&cmd_quit,
 235                 (cmdline_parse_inst_t *)&cmd_send_policy_set,
 236                 (cmdline_parse_inst_t *)&cmd_set_cpu_freq_set,
 237                 NULL,
 238 };
 239
 240 void
 241 run_cli(__attribute__((unused)) void *arg)
 242 {
 243         struct cmdline *cl;
 244
 245         cl = cmdline_stdin_new(main_ctx, "vmpower(guest)> ");
 246         if (cl == NULL)
 247                 return;
 248
 249         cmdline_interact(cl);
 250         cmdline_stdin_exit(cl);
 251 }