examples/guest_cli: add send policy to host

Here we're adding an example of setting up a policy, and allowing the
vm_cli_guest app to send it to the host using the cli command
"send_policy now"

Signed-off-by: Nemanja Marjanovic <nemanja.marjanovic@intel.com>
Signed-off-by: Rory Sexton <rory.sexton@intel.com>
Signed-off-by: David Hunt <david.hunt@intel.com>
Reviewed-by: Santosh Shukla <santosh.shukla@caviumnetworks.com>
Acked-by: Konstantin Ananyev <konstantin.ananyev@intel.com>

examples/vm_power_manager/guest_cli/vm_power_cli_guest.c

@@ -45,8 +45,10 @@
 #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"
 
@@ -139,8 +141,103 @@ cmdline_parse_inst_t cmd_set_cpu_freq_set = {
 	},
 };
 
+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,
 };

examples/vm_power_manager/guest_cli/vm_power_cli_guest.h

@@ -40,12 +40,6 @@ extern "C" {
 
 #include "channel_commands.h"
 
-int guest_channel_host_connect(unsigned lcore_id);
-
-int guest_channel_send_msg(struct channel_packet *pkt, unsigned lcore_id);
-
-void guest_channel_host_disconnect(unsigned lcore_id);
-
 void run_cli(__attribute__((unused)) void *arg);
 
 #ifdef __cplusplus