DPDK  19.08.0-rc0
examples/vm_power_manager/guest_cli/vm_power_cli_guest.c
/* SPDX-License-Identifier: BSD-3-Clause
* Copyright(c) 2010-2014 Intel Corporation
*/
#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;
};
union PFID {
struct rte_ether_addr addr;
uint64_t pfid;
};
static struct channel_packet policy;
struct channel_packet *
get_policy(void)
{
return &policy;
}
int
set_policy_mac(int port, int idx)
{
struct channel_packet *policy;
union PFID pfid;
/* Use port MAC address as the vfid */
rte_eth_macaddr_get(port, &pfid.addr);
printf("Port %u MAC: %02" PRIx8 ":%02" PRIx8 ":%02" PRIx8 ":"
"%02" PRIx8 ":%02" PRIx8 ":%02" PRIx8 "\n",
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]);
policy = get_policy();
policy->vfid[idx] = pfid.pfid;
return 0;
}
void
set_policy_defaults(struct channel_packet *pkt)
{
set_policy_mac(0, 0);
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->core_type = CORE_TYPE_VIRTUAL;
pkt->workload = LOW;
pkt->policy_to_use = TIME;
pkt->command = PKT_POLICY;
strcpy(pkt->vm_name, "ubuntu2");
}
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_string_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;
};
static inline int
send_policy(struct channel_packet *pkt)
{
int ret;
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(&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);
}