Imported Upstream version 16.04

[deb_dpdk.git] / examples / vm_power_manager / guest_cli / vm_power_cli_guest.c

diff --git a/examples/vm_power_manager/guest_cli/vm_power_cli_guest.c b/examples/vm_power_manager/guest_cli/vm_power_cli_guest.c
new file mode 100644 (file)
index 0000000..7931135
--- /dev/null
+++ b/examples/vm_power_manager/guest_cli/vm_power_cli_guest.c
@@ -0,0 +1,155 @@
+/*-
+ *   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_power.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);
+       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");
+
+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>, Set the current "
+                       "frequency for the specified core by scaling up/down/min/max",
+       .tokens = {
+               (void *)&cmd_set_cpu_freq,
+               (void *)&cmd_set_cpu_freq_core_num,
+               (void *)&cmd_set_cpu_freq_cmd_cmd,
+               NULL,
+       },
+};
+
+cmdline_parse_ctx_t main_ctx[] = {
+               (cmdline_parse_inst_t *)&cmd_quit,
+               (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);
+}