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authorLuca Boccassi <luca.boccassi@gmail.com>2018-11-01 11:59:50 +0000
committerLuca Boccassi <luca.boccassi@gmail.com>2018-11-01 12:00:19 +0000
commit8d01b9cd70a67cdafd5b965a70420c3bd7fb3f82 (patch)
tree208e3bc33c220854d89d010e3abf720a2e62e546 /examples/multi_process/hotplug_mp/commands.c
parentb63264c8342e6a1b6971c79550d2af2024b6a4de (diff)
New upstream version 18.11-rc1upstream/18.11-rc1
Change-Id: Iaa71986dd6332e878d8f4bf493101b2bbc6313bb Signed-off-by: Luca Boccassi <luca.boccassi@gmail.com>
Diffstat (limited to 'examples/multi_process/hotplug_mp/commands.c')
-rw-r--r--examples/multi_process/hotplug_mp/commands.c214
1 files changed, 214 insertions, 0 deletions
diff --git a/examples/multi_process/hotplug_mp/commands.c b/examples/multi_process/hotplug_mp/commands.c
new file mode 100644
index 00000000..b0685939
--- /dev/null
+++ b/examples/multi_process/hotplug_mp/commands.c
@@ -0,0 +1,214 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2018 Intel Corporation.
+ */
+
+#include <cmdline_rdline.h>
+#include <cmdline_parse.h>
+#include <cmdline_parse_ipaddr.h>
+#include <cmdline_parse_num.h>
+#include <cmdline_parse_string.h>
+#include <cmdline.h>
+#include <rte_ethdev.h>
+
+/**********************************************************/
+
+struct cmd_help_result {
+ cmdline_fixed_string_t help;
+};
+
+static void cmd_help_parsed(__attribute__((unused)) void *parsed_result,
+ struct cmdline *cl,
+ __attribute__((unused)) void *data)
+{
+ cmdline_printf(cl,
+ "commands:\n"
+ "- attach <devargs>\n"
+ "- detach <devargs>\n"
+ "- list\n\n");
+}
+
+cmdline_parse_token_string_t cmd_help_help =
+ TOKEN_STRING_INITIALIZER(struct cmd_help_result, help, "help");
+
+cmdline_parse_inst_t cmd_help = {
+ .f = cmd_help_parsed, /* function to call */
+ .data = NULL, /* 2nd arg of func */
+ .help_str = "show help",
+ .tokens = { /* token list, NULL terminated */
+ (void *)&cmd_help_help,
+ NULL,
+ },
+};
+
+/**********************************************************/
+
+struct cmd_quit_result {
+ cmdline_fixed_string_t quit;
+};
+
+static void cmd_quit_parsed(__attribute__((unused)) void *parsed_result,
+ struct cmdline *cl,
+ __attribute__((unused)) void *data)
+{
+ 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 = "quit",
+ .tokens = { /* token list, NULL terminated */
+ (void *)&cmd_quit_quit,
+ NULL,
+ },
+};
+
+/**********************************************************/
+
+struct cmd_list_result {
+ cmdline_fixed_string_t list;
+};
+
+static void cmd_list_parsed(__attribute__((unused)) void *parsed_result,
+ struct cmdline *cl,
+ __attribute__((unused)) void *data)
+{
+ uint16_t port_id;
+ char dev_name[RTE_DEV_NAME_MAX_LEN];
+
+ cmdline_printf(cl, "list all etherdev\n");
+
+ RTE_ETH_FOREACH_DEV(port_id) {
+ rte_eth_dev_get_name_by_port(port_id, dev_name);
+ if (strlen(dev_name) > 0)
+ cmdline_printf(cl, "%d\t%s\n", port_id, dev_name);
+ else
+ printf("empty dev_name is not expected!\n");
+ }
+}
+
+cmdline_parse_token_string_t cmd_list_list =
+ TOKEN_STRING_INITIALIZER(struct cmd_list_result, list, "list");
+
+cmdline_parse_inst_t cmd_list = {
+ .f = cmd_list_parsed, /* function to call */
+ .data = NULL, /* 2nd arg of func */
+ .help_str = "list all devices",
+ .tokens = { /* token list, NULL terminated */
+ (void *)&cmd_list_list,
+ NULL,
+ },
+};
+
+/**********************************************************/
+
+struct cmd_dev_attach_result {
+ cmdline_fixed_string_t attach;
+ cmdline_fixed_string_t devargs;
+};
+
+static void cmd_dev_attach_parsed(void *parsed_result,
+ struct cmdline *cl,
+ __attribute__((unused)) void *data)
+{
+ struct cmd_dev_attach_result *res = parsed_result;
+ struct rte_devargs da;
+
+ memset(&da, 0, sizeof(da));
+
+ if (rte_devargs_parsef(&da, "%s", res->devargs)) {
+ cmdline_printf(cl, "cannot parse devargs\n");
+ if (da.args)
+ free(da.args);
+ return;
+ }
+
+ if (!rte_eal_hotplug_add(da.bus->name, da.name, da.args))
+ cmdline_printf(cl, "attached device %s\n", da.name);
+ else
+ cmdline_printf(cl, "failed to attached device %s\n",
+ da.name);
+}
+
+cmdline_parse_token_string_t cmd_dev_attach_attach =
+ TOKEN_STRING_INITIALIZER(struct cmd_dev_attach_result, attach,
+ "attach");
+cmdline_parse_token_string_t cmd_dev_attach_devargs =
+ TOKEN_STRING_INITIALIZER(struct cmd_dev_attach_result, devargs, NULL);
+
+cmdline_parse_inst_t cmd_attach_device = {
+ .f = cmd_dev_attach_parsed, /* function to call */
+ .data = NULL, /* 2nd arg of func */
+ .help_str = "attach a device",
+ .tokens = { /* token list, NULL terminated */
+ (void *)&cmd_dev_attach_attach,
+ (void *)&cmd_dev_attach_devargs,
+ NULL,
+ },
+};
+
+/**********************************************************/
+
+struct cmd_dev_detach_result {
+ cmdline_fixed_string_t detach;
+ cmdline_fixed_string_t devargs;
+};
+
+static void cmd_dev_detach_parsed(void *parsed_result,
+ struct cmdline *cl,
+ __attribute__((unused)) void *data)
+{
+ struct cmd_dev_detach_result *res = parsed_result;
+ struct rte_devargs da;
+
+ memset(&da, 0, sizeof(da));
+
+ if (rte_devargs_parsef(&da, "%s", res->devargs)) {
+ cmdline_printf(cl, "cannot parse devargs\n");
+ if (da.args)
+ free(da.args);
+ return;
+ }
+
+ printf("detaching...\n");
+ if (!rte_eal_hotplug_remove(da.bus->name, da.name))
+ cmdline_printf(cl, "detached device %s\n",
+ da.name);
+ else
+ cmdline_printf(cl, "failed to dettach device %s\n",
+ da.name);
+}
+
+cmdline_parse_token_string_t cmd_dev_detach_detach =
+ TOKEN_STRING_INITIALIZER(struct cmd_dev_detach_result, detach,
+ "detach");
+
+cmdline_parse_token_string_t cmd_dev_detach_devargs =
+ TOKEN_STRING_INITIALIZER(struct cmd_dev_detach_result, devargs, NULL);
+
+cmdline_parse_inst_t cmd_detach_device = {
+ .f = cmd_dev_detach_parsed, /* function to call */
+ .data = NULL, /* 2nd arg of func */
+ .help_str = "detach a device",
+ .tokens = { /* token list, NULL terminated */
+ (void *)&cmd_dev_detach_detach,
+ (void *)&cmd_dev_detach_devargs,
+ NULL,
+ },
+};
+
+/**********************************************************/
+/**********************************************************/
+/****** CONTEXT (list of instruction) */
+
+cmdline_parse_ctx_t main_ctx[] = {
+ (cmdline_parse_inst_t *)&cmd_help,
+ (cmdline_parse_inst_t *)&cmd_quit,
+ (cmdline_parse_inst_t *)&cmd_list,
+ (cmdline_parse_inst_t *)&cmd_attach_device,
+ (cmdline_parse_inst_t *)&cmd_detach_device,
+ NULL,
+};