examples/vm_power_manager/guest_cli/vm_power_cli_guest.c

   1 /*-
   2  *   BSD LICENSE
   3  *
   4  *   Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
   5  *   All rights reserved.
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   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 Intel Corporation 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
  35 #include <stdint.h>
  36 #include <string.h>
  37 #include <stdio.h>
  38 #include <termios.h>
  39
  40 #include <cmdline_rdline.h>
  41 #include <cmdline_parse.h>
  42 #include <cmdline_parse_string.h>
  43 #include <cmdline_parse_num.h>
  44 #include <cmdline_socket.h>
  45 #include <cmdline.h>
  46 #include <rte_log.h>
  47 #include <rte_lcore.h>
  48 #include <rte_ethdev.h>
  49
  50 #include <rte_power.h>
  51 #include <guest_channel.h>
  52
  53 #include "vm_power_cli_guest.h"
  54
  55
  56 #define CHANNEL_PATH "/dev/virtio-ports/virtio.serial.port.poweragent"
  57
  58
  59 #define RTE_LOGTYPE_GUEST_CHANNEL RTE_LOGTYPE_USER1
  60
  61 struct cmd_quit_result {
  62         cmdline_fixed_string_t quit;
  63 };
  64
  65 static void cmd_quit_parsed(__attribute__((unused)) void *parsed_result,
  66                                 __attribute__((unused)) struct cmdline *cl,
  67                             __attribute__((unused)) void *data)
  68 {
  69         unsigned lcore_id;
  70
  71         RTE_LCORE_FOREACH(lcore_id) {
  72                 rte_power_exit(lcore_id);
  73         }
  74         cmdline_quit(cl);
  75 }
  76
  77 cmdline_parse_token_string_t cmd_quit_quit =
  78         TOKEN_STRING_INITIALIZER(struct cmd_quit_result, quit, "quit");
  79
  80 cmdline_parse_inst_t cmd_quit = {
  81         .f = cmd_quit_parsed,  /* function to call */
  82         .data = NULL,      /* 2nd arg of func */
  83         .help_str = "close the application",
  84         .tokens = {        /* token list, NULL terminated */
  85                 (void *)&cmd_quit_quit,
  86                 NULL,
  87         },
  88 };
  89
  90 /* *** VM operations *** */
  91
  92 struct cmd_set_cpu_freq_result {
  93         cmdline_fixed_string_t set_cpu_freq;
  94         uint8_t lcore_id;
  95         cmdline_fixed_string_t cmd;
  96 };
  97
  98 static void
  99 cmd_set_cpu_freq_parsed(void *parsed_result, struct cmdline *cl,
 100                        __attribute__((unused)) void *data)
 101 {
 102         int ret = -1;
 103         struct cmd_set_cpu_freq_result *res = parsed_result;
 104
 105         if (!strcmp(res->cmd , "up"))
 106                 ret = rte_power_freq_up(res->lcore_id);
 107         else if (!strcmp(res->cmd , "down"))
 108                 ret = rte_power_freq_down(res->lcore_id);
 109         else if (!strcmp(res->cmd , "min"))
 110                 ret = rte_power_freq_min(res->lcore_id);
 111         else if (!strcmp(res->cmd , "max"))
 112                 ret = rte_power_freq_max(res->lcore_id);
 113         else if (!strcmp(res->cmd, "enable_turbo"))
 114                 ret = rte_power_freq_enable_turbo(res->lcore_id);
 115         else if (!strcmp(res->cmd, "disable_turbo"))
 116                 ret = rte_power_freq_disable_turbo(res->lcore_id);
 117         if (ret != 1)
 118                 cmdline_printf(cl, "Error sending message: %s\n", strerror(ret));
 119 }
 120
 121 cmdline_parse_token_string_t cmd_set_cpu_freq =
 122         TOKEN_STRING_INITIALIZER(struct cmd_set_cpu_freq_result,
 123                         set_cpu_freq, "set_cpu_freq");
 124 cmdline_parse_token_string_t cmd_set_cpu_freq_core_num =
 125         TOKEN_NUM_INITIALIZER(struct cmd_set_cpu_freq_result,
 126                         lcore_id, UINT8);
 127 cmdline_parse_token_string_t cmd_set_cpu_freq_cmd_cmd =
 128         TOKEN_STRING_INITIALIZER(struct cmd_set_cpu_freq_result,
 129                         cmd, "up#down#min#max#enable_turbo#disable_turbo");
 130
 131 cmdline_parse_inst_t cmd_set_cpu_freq_set = {
 132         .f = cmd_set_cpu_freq_parsed,
 133         .data = NULL,
 134         .help_str = "set_cpu_freq <core_num> <up|down|min|max>, Set the current "
 135                         "frequency for the specified core by scaling up/down/min/max",
 136         .tokens = {
 137                 (void *)&cmd_set_cpu_freq,
 138                 (void *)&cmd_set_cpu_freq_core_num,
 139                 (void *)&cmd_set_cpu_freq_cmd_cmd,
 140                 NULL,
 141         },
 142 };
 143
 144 struct cmd_send_policy_result {
 145         cmdline_fixed_string_t send_policy;
 146         cmdline_fixed_string_t cmd;
 147 };
 148
 149 union PFID {
 150         struct ether_addr addr;
 151         uint64_t pfid;
 152 };
 153
 154 static inline int
 155 send_policy(void)
 156 {
 157         struct channel_packet pkt;
 158         int ret;
 159
 160         union PFID pfid;
 161         /* Use port MAC address as the vfid */
 162         rte_eth_macaddr_get(0, &pfid.addr);
 163         printf("Port %u MAC: %02" PRIx8 ":%02" PRIx8 ":%02" PRIx8 ":"
 164                         "%02" PRIx8 ":%02" PRIx8 ":%02" PRIx8 "\n",
 165                         1,
 166                         pfid.addr.addr_bytes[0], pfid.addr.addr_bytes[1],
 167                         pfid.addr.addr_bytes[2], pfid.addr.addr_bytes[3],
 168                         pfid.addr.addr_bytes[4], pfid.addr.addr_bytes[5]);
 169         pkt.vfid[0] = pfid.pfid;
 170
 171         pkt.nb_mac_to_monitor = 1;
 172         pkt.t_boost_status.tbEnabled = false;
 173
 174         pkt.vcpu_to_control[0] = 0;
 175         pkt.vcpu_to_control[1] = 1;
 176         pkt.num_vcpu = 2;
 177         /* Dummy Population. */
 178         pkt.traffic_policy.min_packet_thresh = 96000;
 179         pkt.traffic_policy.avg_max_packet_thresh = 1800000;
 180         pkt.traffic_policy.max_max_packet_thresh = 2000000;
 181
 182         pkt.timer_policy.busy_hours[0] = 3;
 183         pkt.timer_policy.busy_hours[1] = 4;
 184         pkt.timer_policy.busy_hours[2] = 5;
 185         pkt.timer_policy.quiet_hours[0] = 11;
 186         pkt.timer_policy.quiet_hours[1] = 12;
 187         pkt.timer_policy.quiet_hours[2] = 13;
 188
 189         pkt.timer_policy.hours_to_use_traffic_profile[0] = 8;
 190         pkt.timer_policy.hours_to_use_traffic_profile[1] = 10;
 191
 192         pkt.workload = LOW;
 193         pkt.policy_to_use = TIME;
 194         pkt.command = PKT_POLICY;
 195         strcpy(pkt.vm_name, "ubuntu2");
 196         ret = rte_power_guest_channel_send_msg(&pkt, 1);
 197         if (ret == 0)
 198                 return 1;
 199         RTE_LOG(DEBUG, POWER, "Error sending message: %s\n",
 200                         ret > 0 ? strerror(ret) : "channel not connected");
 201         return -1;
 202 }
 203
 204 static void
 205 cmd_send_policy_parsed(void *parsed_result, struct cmdline *cl,
 206                        __attribute__((unused)) void *data)
 207 {
 208         int ret = -1;
 209         struct cmd_send_policy_result *res = parsed_result;
 210
 211         if (!strcmp(res->cmd, "now")) {
 212                 printf("Sending Policy down now!\n");
 213                 ret = send_policy();
 214         }
 215         if (ret != 1)
 216                 cmdline_printf(cl, "Error sending message: %s\n",
 217                                 strerror(ret));
 218 }
 219
 220 cmdline_parse_token_string_t cmd_send_policy =
 221         TOKEN_STRING_INITIALIZER(struct cmd_send_policy_result,
 222                         send_policy, "send_policy");
 223 cmdline_parse_token_string_t cmd_send_policy_cmd_cmd =
 224         TOKEN_STRING_INITIALIZER(struct cmd_send_policy_result,
 225                         cmd, "now");
 226
 227 cmdline_parse_inst_t cmd_send_policy_set = {
 228         .f = cmd_send_policy_parsed,
 229         .data = NULL,
 230         .help_str = "send_policy now",
 231         .tokens = {
 232                 (void *)&cmd_send_policy,
 233                 (void *)&cmd_send_policy_cmd_cmd,
 234                 NULL,
 235         },
 236 };
 237
 238 cmdline_parse_ctx_t main_ctx[] = {
 239                 (cmdline_parse_inst_t *)&cmd_quit,
 240                 (cmdline_parse_inst_t *)&cmd_send_policy_set,
 241                 (cmdline_parse_inst_t *)&cmd_set_cpu_freq_set,
 242                 NULL,
 243 };
 244
 245 void
 246 run_cli(__attribute__((unused)) void *arg)
 247 {
 248         struct cmdline *cl;
 249
 250         cl = cmdline_stdin_new(main_ctx, "vmpower(guest)> ");
 251         if (cl == NULL)
 252                 return;
 253
 254         cmdline_interact(cl);
 255         cmdline_stdin_exit(cl);
 256 }