DPDK  17.11.10
examples/vm_power_manager/guest_cli/vm_power_cli_guest.c
/*-
* BSD LICENSE
*
* Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <stdint.h>
#include <string.h>
#include <stdio.h>
#include <termios.h>
#include <cmdline_rdline.h>
#include <cmdline_parse.h>
#include <cmdline_parse_string.h>
#include <cmdline_parse_num.h>
#include <cmdline_socket.h>
#include <cmdline.h>
#include <rte_log.h>
#include <rte_lcore.h>
#include <rte_ethdev.h>
#include <rte_power.h>
#include <guest_channel.h>
#include "vm_power_cli_guest.h"
#define CHANNEL_PATH "/dev/virtio-ports/virtio.serial.port.poweragent"
#define RTE_LOGTYPE_GUEST_CHANNEL RTE_LOGTYPE_USER1
struct cmd_quit_result {
cmdline_fixed_string_t quit;
};
static void cmd_quit_parsed(__attribute__((unused)) void *parsed_result,
__attribute__((unused)) struct cmdline *cl,
__attribute__((unused)) void *data)
{
unsigned lcore_id;
RTE_LCORE_FOREACH(lcore_id) {
rte_power_exit(lcore_id);
}
cmdline_quit(cl);
}
cmdline_parse_token_string_t cmd_quit_quit =
TOKEN_STRING_INITIALIZER(struct cmd_quit_result, quit, "quit");
cmdline_parse_inst_t cmd_quit = {
.f = cmd_quit_parsed, /* function to call */
.data = NULL, /* 2nd arg of func */
.help_str = "close the application",
.tokens = { /* token list, NULL terminated */
(void *)&cmd_quit_quit,
NULL,
},
};
/* *** VM operations *** */
struct cmd_set_cpu_freq_result {
cmdline_fixed_string_t set_cpu_freq;
uint8_t lcore_id;
cmdline_fixed_string_t cmd;
};
static void
cmd_set_cpu_freq_parsed(void *parsed_result, struct cmdline *cl,
__attribute__((unused)) void *data)
{
int ret = -1;
struct cmd_set_cpu_freq_result *res = parsed_result;
if (!strcmp(res->cmd , "up"))
ret = rte_power_freq_up(res->lcore_id);
else if (!strcmp(res->cmd , "down"))
ret = rte_power_freq_down(res->lcore_id);
else if (!strcmp(res->cmd , "min"))
ret = rte_power_freq_min(res->lcore_id);
else if (!strcmp(res->cmd , "max"))
ret = rte_power_freq_max(res->lcore_id);
else if (!strcmp(res->cmd, "enable_turbo"))
ret = rte_power_freq_enable_turbo(res->lcore_id);
else if (!strcmp(res->cmd, "disable_turbo"))
ret = rte_power_freq_disable_turbo(res->lcore_id);
if (ret != 1)
cmdline_printf(cl, "Error sending message: %s\n", strerror(ret));
}
cmdline_parse_token_string_t cmd_set_cpu_freq =
TOKEN_STRING_INITIALIZER(struct cmd_set_cpu_freq_result,
set_cpu_freq, "set_cpu_freq");
cmdline_parse_token_num_t cmd_set_cpu_freq_core_num =
TOKEN_NUM_INITIALIZER(struct cmd_set_cpu_freq_result,
lcore_id, UINT8);
cmdline_parse_token_string_t cmd_set_cpu_freq_cmd_cmd =
TOKEN_STRING_INITIALIZER(struct cmd_set_cpu_freq_result,
cmd, "up#down#min#max#enable_turbo#disable_turbo");
cmdline_parse_inst_t cmd_set_cpu_freq_set = {
.f = cmd_set_cpu_freq_parsed,
.data = NULL,
.help_str = "set_cpu_freq <core_num> "
"<up|down|min|max|enable_turbo|disable_turbo>, "
"adjust the frequency for the specified core.",
.tokens = {
(void *)&cmd_set_cpu_freq,
(void *)&cmd_set_cpu_freq_core_num,
(void *)&cmd_set_cpu_freq_cmd_cmd,
NULL,
},
};
struct cmd_send_policy_result {
cmdline_fixed_string_t send_policy;
cmdline_fixed_string_t cmd;
};
union PFID {
struct ether_addr addr;
uint64_t pfid;
};
static inline int
send_policy(void)
{
struct channel_packet pkt;
int ret;
union PFID pfid;
/* Use port MAC address as the vfid */
rte_eth_macaddr_get(0, &pfid.addr);
printf("Port %u MAC: %02" PRIx8 ":%02" PRIx8 ":%02" PRIx8 ":"
"%02" PRIx8 ":%02" PRIx8 ":%02" PRIx8 "\n",
1,
pfid.addr.addr_bytes[0], pfid.addr.addr_bytes[1],
pfid.addr.addr_bytes[2], pfid.addr.addr_bytes[3],
pfid.addr.addr_bytes[4], pfid.addr.addr_bytes[5]);
pkt.vfid[0] = pfid.pfid;
pkt.nb_mac_to_monitor = 1;
pkt.t_boost_status.tbEnabled = false;
pkt.vcpu_to_control[0] = 0;
pkt.vcpu_to_control[1] = 1;
pkt.num_vcpu = 2;
/* Dummy Population. */
pkt.traffic_policy.min_packet_thresh = 96000;
pkt.traffic_policy.avg_max_packet_thresh = 1800000;
pkt.traffic_policy.max_max_packet_thresh = 2000000;
pkt.timer_policy.busy_hours[0] = 3;
pkt.timer_policy.busy_hours[1] = 4;
pkt.timer_policy.busy_hours[2] = 5;
pkt.timer_policy.quiet_hours[0] = 11;
pkt.timer_policy.quiet_hours[1] = 12;
pkt.timer_policy.quiet_hours[2] = 13;
pkt.timer_policy.hours_to_use_traffic_profile[0] = 8;
pkt.timer_policy.hours_to_use_traffic_profile[1] = 10;
pkt.workload = LOW;
pkt.policy_to_use = TIME;
pkt.command = PKT_POLICY;
strcpy(pkt.vm_name, "ubuntu2");
ret = rte_power_guest_channel_send_msg(&pkt, 1);
if (ret == 0)
return 1;
RTE_LOG(DEBUG, POWER, "Error sending message: %s\n",
ret > 0 ? strerror(ret) : "channel not connected");
return -1;
}
static void
cmd_send_policy_parsed(void *parsed_result, struct cmdline *cl,
__attribute__((unused)) void *data)
{
int ret = -1;
struct cmd_send_policy_result *res = parsed_result;
if (!strcmp(res->cmd, "now")) {
printf("Sending Policy down now!\n");
ret = send_policy();
}
if (ret != 1)
cmdline_printf(cl, "Error sending message: %s\n",
strerror(ret));
}
cmdline_parse_token_string_t cmd_send_policy =
TOKEN_STRING_INITIALIZER(struct cmd_send_policy_result,
send_policy, "send_policy");
cmdline_parse_token_string_t cmd_send_policy_cmd_cmd =
TOKEN_STRING_INITIALIZER(struct cmd_send_policy_result,
cmd, "now");
cmdline_parse_inst_t cmd_send_policy_set = {
.f = cmd_send_policy_parsed,
.data = NULL,
.help_str = "send_policy now",
.tokens = {
(void *)&cmd_send_policy,
(void *)&cmd_send_policy_cmd_cmd,
NULL,
},
};
cmdline_parse_ctx_t main_ctx[] = {
(cmdline_parse_inst_t *)&cmd_quit,
(cmdline_parse_inst_t *)&cmd_send_policy_set,
(cmdline_parse_inst_t *)&cmd_set_cpu_freq_set,
NULL,
};
void
run_cli(__attribute__((unused)) void *arg)
{
struct cmdline *cl;
cl = cmdline_stdin_new(main_ctx, "vmpower(guest)> ");
if (cl == NULL)
return;
cmdline_interact(cl);
cmdline_stdin_exit(cl);
}