diff options
Diffstat (limited to 'examples/multi_process/hotplug_mp/commands.c')
| -rw-r--r-- | examples/multi_process/hotplug_mp/commands.c | 214 |
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, +}; |