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01961bbd | 1 | /* |
5575908b | 2 | * Copyright (c) 2014, 2015, 2016, 2017 Nicira, Inc. |
01961bbd DDP |
3 | * |
4 | * Licensed under the Apache License, Version 2.0 (the "License"); | |
5 | * you may not use this file except in compliance with the License. | |
6 | * You may obtain a copy of the License at: | |
7 | * | |
8 | * http://www.apache.org/licenses/LICENSE-2.0 | |
9 | * | |
10 | * Unless required by applicable law or agreed to in writing, software | |
11 | * distributed under the License is distributed on an "AS IS" BASIS, | |
12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
13 | * See the License for the specific language governing permissions and | |
14 | * limitations under the License. | |
15 | */ | |
16 | ||
17 | #include <config.h> | |
18 | #include "dpdk.h" | |
19 | ||
736ca516 | 20 | #include <stdio.h> |
01961bbd DDP |
21 | #include <sys/types.h> |
22 | #include <sys/stat.h> | |
23 | #include <getopt.h> | |
24 | ||
d7e2509e | 25 | #include <rte_errno.h> |
736ca516 | 26 | #include <rte_log.h> |
01961bbd | 27 | #include <rte_memzone.h> |
40c23a57 | 28 | #include <rte_version.h> |
a0cbc627 CL |
29 | #ifdef DPDK_PDUMP |
30 | #include <rte_mempool.h> | |
31 | #include <rte_pdump.h> | |
32 | #endif | |
01961bbd DDP |
33 | |
34 | #include "dirs.h" | |
a0cbc627 | 35 | #include "fatal-signal.h" |
01961bbd | 36 | #include "netdev-dpdk.h" |
b6cabb8f | 37 | #include "netdev-offload-provider.h" |
01961bbd DDP |
38 | #include "openvswitch/dynamic-string.h" |
39 | #include "openvswitch/vlog.h" | |
7189d54c | 40 | #include "ovs-numa.h" |
01961bbd | 41 | #include "smap.h" |
68c00e3e | 42 | #include "svec.h" |
30e834dc | 43 | #include "util.h" |
3e52fa56 | 44 | #include "vswitch-idl.h" |
01961bbd DDP |
45 | |
46 | VLOG_DEFINE_THIS_MODULE(dpdk); | |
47 | ||
736ca516 IM |
48 | static FILE *log_stream = NULL; /* Stream for DPDK log redirection */ |
49 | ||
01961bbd | 50 | static char *vhost_sock_dir = NULL; /* Location of vhost-user sockets */ |
a14d1cc8 | 51 | static bool vhost_iommu_enabled = false; /* Status of vHost IOMMU support */ |
30e834dc LB |
52 | static bool vhost_postcopy_enabled = false; /* Status of vHost POSTCOPY |
53 | * support. */ | |
3e52fa56 AC |
54 | static bool dpdk_initialized = false; /* Indicates successful initialization |
55 | * of DPDK. */ | |
43307ad0 | 56 | static bool per_port_memory = false; /* Status of per port memory support */ |
01961bbd DDP |
57 | |
58 | static int | |
6c4f08e2 | 59 | process_vhost_flags(char *flag, const char *default_val, int size, |
01961bbd DDP |
60 | const struct smap *ovs_other_config, |
61 | char **new_val) | |
62 | { | |
63 | const char *val; | |
64 | int changed = 0; | |
65 | ||
66 | val = smap_get(ovs_other_config, flag); | |
67 | ||
68 | /* Process the vhost-sock-dir flag if it is provided, otherwise resort to | |
69 | * default value. | |
70 | */ | |
71 | if (val && (strlen(val) <= size)) { | |
72 | changed = 1; | |
73 | *new_val = xstrdup(val); | |
74 | VLOG_INFO("User-provided %s in use: %s", flag, *new_val); | |
75 | } else { | |
76 | VLOG_INFO("No %s provided - defaulting to %s", flag, default_val); | |
6c4f08e2 | 77 | *new_val = xstrdup(default_val); |
01961bbd DDP |
78 | } |
79 | ||
80 | return changed; | |
81 | } | |
82 | ||
01961bbd | 83 | static bool |
68c00e3e | 84 | args_contains(const struct svec *args, const char *value) |
01961bbd | 85 | { |
68c00e3e IM |
86 | const char *arg; |
87 | size_t i; | |
88 | ||
89 | /* We can't just use 'svec_contains' because args are not sorted. */ | |
90 | SVEC_FOR_EACH (i, arg, args) { | |
91 | if (!strcmp(arg, value)) { | |
01961bbd | 92 | return true; |
68c00e3e | 93 | } |
01961bbd DDP |
94 | } |
95 | return false; | |
96 | } | |
97 | ||
68c00e3e IM |
98 | static void |
99 | construct_dpdk_options(const struct smap *ovs_other_config, struct svec *args) | |
01961bbd DDP |
100 | { |
101 | struct dpdk_options_map { | |
102 | const char *ovs_configuration; | |
103 | const char *dpdk_option; | |
104 | bool default_enabled; | |
105 | const char *default_value; | |
106 | } opts[] = { | |
8411b6cc IM |
107 | {"dpdk-lcore-mask", "-c", false, NULL}, |
108 | {"dpdk-hugepage-dir", "--huge-dir", false, NULL}, | |
109 | {"dpdk-socket-limit", "--socket-limit", false, NULL}, | |
01961bbd DDP |
110 | }; |
111 | ||
68c00e3e | 112 | int i; |
01961bbd DDP |
113 | |
114 | /*First, construct from the flat-options (non-mutex)*/ | |
115 | for (i = 0; i < ARRAY_SIZE(opts); ++i) { | |
68c00e3e IM |
116 | const char *value = smap_get(ovs_other_config, |
117 | opts[i].ovs_configuration); | |
118 | if (!value && opts[i].default_enabled) { | |
119 | value = opts[i].default_value; | |
01961bbd DDP |
120 | } |
121 | ||
68c00e3e IM |
122 | if (value) { |
123 | if (!args_contains(args, opts[i].dpdk_option)) { | |
124 | svec_add(args, opts[i].dpdk_option); | |
125 | svec_add(args, value); | |
01961bbd DDP |
126 | } else { |
127 | VLOG_WARN("Ignoring database defined option '%s' due to " | |
68c00e3e | 128 | "dpdk-extra config", opts[i].dpdk_option); |
01961bbd DDP |
129 | } |
130 | } | |
131 | } | |
01961bbd DDP |
132 | } |
133 | ||
7189d54c MR |
134 | static char * |
135 | construct_dpdk_socket_mem(void) | |
136 | { | |
7189d54c | 137 | const char *def_value = "1024"; |
9c68ca34 IM |
138 | int numa, numa_nodes = ovs_numa_get_n_numas(); |
139 | struct ds dpdk_socket_mem = DS_EMPTY_INITIALIZER; | |
7189d54c MR |
140 | |
141 | if (numa_nodes == 0 || numa_nodes == OVS_NUMA_UNSPEC) { | |
142 | numa_nodes = 1; | |
143 | } | |
7189d54c | 144 | |
9c68ca34 | 145 | ds_put_cstr(&dpdk_socket_mem, def_value); |
7189d54c | 146 | for (numa = 1; numa < numa_nodes; ++numa) { |
9c68ca34 | 147 | ds_put_format(&dpdk_socket_mem, ",%s", def_value); |
7189d54c MR |
148 | } |
149 | ||
9c68ca34 | 150 | return ds_cstr(&dpdk_socket_mem); |
7189d54c MR |
151 | } |
152 | ||
01961bbd DDP |
153 | #define MAX_DPDK_EXCL_OPTS 10 |
154 | ||
68c00e3e | 155 | static void |
01961bbd | 156 | construct_dpdk_mutex_options(const struct smap *ovs_other_config, |
68c00e3e | 157 | struct svec *args) |
01961bbd | 158 | { |
7189d54c | 159 | char *default_dpdk_socket_mem = construct_dpdk_socket_mem(); |
68c00e3e | 160 | |
01961bbd DDP |
161 | struct dpdk_exclusive_options_map { |
162 | const char *category; | |
163 | const char *ovs_dpdk_options[MAX_DPDK_EXCL_OPTS]; | |
164 | const char *eal_dpdk_options[MAX_DPDK_EXCL_OPTS]; | |
165 | const char *default_value; | |
166 | int default_option; | |
167 | } excl_opts[] = { | |
168 | {"memory type", | |
169 | {"dpdk-alloc-mem", "dpdk-socket-mem", NULL,}, | |
170 | {"-m", "--socket-mem", NULL,}, | |
7189d54c | 171 | default_dpdk_socket_mem, 1 |
01961bbd DDP |
172 | }, |
173 | }; | |
174 | ||
68c00e3e | 175 | int i; |
01961bbd DDP |
176 | for (i = 0; i < ARRAY_SIZE(excl_opts); ++i) { |
177 | int found_opts = 0, scan, found_pos = -1; | |
178 | const char *found_value; | |
179 | struct dpdk_exclusive_options_map *popt = &excl_opts[i]; | |
180 | ||
181 | for (scan = 0; scan < MAX_DPDK_EXCL_OPTS | |
182 | && popt->ovs_dpdk_options[scan]; ++scan) { | |
68c00e3e IM |
183 | const char *value = smap_get(ovs_other_config, |
184 | popt->ovs_dpdk_options[scan]); | |
185 | if (value && strlen(value)) { | |
01961bbd DDP |
186 | found_opts++; |
187 | found_pos = scan; | |
68c00e3e | 188 | found_value = value; |
01961bbd DDP |
189 | } |
190 | } | |
191 | ||
192 | if (!found_opts) { | |
193 | if (popt->default_option) { | |
194 | found_pos = popt->default_option; | |
195 | found_value = popt->default_value; | |
196 | } else { | |
197 | continue; | |
198 | } | |
199 | } | |
200 | ||
201 | if (found_opts > 1) { | |
202 | VLOG_ERR("Multiple defined options for %s. Please check your" | |
203 | " database settings and reconfigure if necessary.", | |
204 | popt->category); | |
205 | } | |
206 | ||
68c00e3e IM |
207 | if (!args_contains(args, popt->eal_dpdk_options[found_pos])) { |
208 | svec_add(args, popt->eal_dpdk_options[found_pos]); | |
209 | svec_add(args, found_value); | |
01961bbd DDP |
210 | } else { |
211 | VLOG_WARN("Ignoring database defined option '%s' due to " | |
68c00e3e | 212 | "dpdk-extra config", popt->eal_dpdk_options[found_pos]); |
01961bbd DDP |
213 | } |
214 | } | |
215 | ||
7189d54c | 216 | free(default_dpdk_socket_mem); |
01961bbd DDP |
217 | } |
218 | ||
68c00e3e IM |
219 | static void |
220 | construct_dpdk_args(const struct smap *ovs_other_config, struct svec *args) | |
01961bbd | 221 | { |
68c00e3e | 222 | const char *extra_configuration = smap_get(ovs_other_config, "dpdk-extra"); |
01961bbd | 223 | |
01961bbd | 224 | if (extra_configuration) { |
68c00e3e | 225 | svec_parse_words(args, extra_configuration); |
01961bbd DDP |
226 | } |
227 | ||
68c00e3e IM |
228 | construct_dpdk_options(ovs_other_config, args); |
229 | construct_dpdk_mutex_options(ovs_other_config, args); | |
01961bbd DDP |
230 | } |
231 | ||
736ca516 IM |
232 | static ssize_t |
233 | dpdk_log_write(void *c OVS_UNUSED, const char *buf, size_t size) | |
234 | { | |
9fd38f68 IM |
235 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(600, 600); |
236 | static struct vlog_rate_limit dbg_rl = VLOG_RATE_LIMIT_INIT(600, 600); | |
736ca516 IM |
237 | |
238 | switch (rte_log_cur_msg_loglevel()) { | |
239 | case RTE_LOG_DEBUG: | |
d0d1a76e | 240 | VLOG_DBG_RL(&dbg_rl, "%.*s", (int) size, buf); |
736ca516 IM |
241 | break; |
242 | case RTE_LOG_INFO: | |
243 | case RTE_LOG_NOTICE: | |
d0d1a76e | 244 | VLOG_INFO_RL(&rl, "%.*s", (int) size, buf); |
736ca516 IM |
245 | break; |
246 | case RTE_LOG_WARNING: | |
d0d1a76e | 247 | VLOG_WARN_RL(&rl, "%.*s", (int) size, buf); |
736ca516 IM |
248 | break; |
249 | case RTE_LOG_ERR: | |
d0d1a76e | 250 | VLOG_ERR_RL(&rl, "%.*s", (int) size, buf); |
736ca516 IM |
251 | break; |
252 | case RTE_LOG_CRIT: | |
253 | case RTE_LOG_ALERT: | |
254 | case RTE_LOG_EMERG: | |
d0d1a76e | 255 | VLOG_EMER("%.*s", (int) size, buf); |
736ca516 IM |
256 | break; |
257 | default: | |
258 | OVS_NOT_REACHED(); | |
259 | } | |
260 | ||
736ca516 IM |
261 | return size; |
262 | } | |
263 | ||
264 | static cookie_io_functions_t dpdk_log_func = { | |
265 | .write = dpdk_log_write, | |
266 | }; | |
267 | ||
d7e2509e | 268 | static bool |
01961bbd DDP |
269 | dpdk_init__(const struct smap *ovs_other_config) |
270 | { | |
68c00e3e IM |
271 | char *sock_dir_subcomponent; |
272 | char **argv = NULL; | |
01961bbd | 273 | int result; |
01961bbd DDP |
274 | bool auto_determine = true; |
275 | int err = 0; | |
15d8655b | 276 | struct ovs_numa_dump *affinity = NULL; |
68c00e3e | 277 | struct svec args = SVEC_EMPTY_INITIALIZER; |
01961bbd | 278 | |
736ca516 IM |
279 | log_stream = fopencookie(NULL, "w+", dpdk_log_func); |
280 | if (log_stream == NULL) { | |
281 | VLOG_ERR("Can't redirect DPDK log: %s.", ovs_strerror(errno)); | |
282 | } else { | |
283 | setbuf(log_stream, NULL); | |
284 | rte_openlog_stream(log_stream); | |
285 | } | |
286 | ||
6c4f08e2 | 287 | if (process_vhost_flags("vhost-sock-dir", ovs_rundir(), |
01961bbd DDP |
288 | NAME_MAX, ovs_other_config, |
289 | &sock_dir_subcomponent)) { | |
290 | struct stat s; | |
291 | if (!strstr(sock_dir_subcomponent, "..")) { | |
292 | vhost_sock_dir = xasprintf("%s/%s", ovs_rundir(), | |
293 | sock_dir_subcomponent); | |
294 | ||
295 | err = stat(vhost_sock_dir, &s); | |
296 | if (err) { | |
297 | VLOG_ERR("vhost-user sock directory '%s' does not exist.", | |
298 | vhost_sock_dir); | |
299 | } | |
300 | } else { | |
301 | vhost_sock_dir = xstrdup(ovs_rundir()); | |
302 | VLOG_ERR("vhost-user sock directory request '%s/%s' has invalid" | |
303 | "characters '..' - using %s instead.", | |
304 | ovs_rundir(), sock_dir_subcomponent, ovs_rundir()); | |
305 | } | |
306 | free(sock_dir_subcomponent); | |
307 | } else { | |
308 | vhost_sock_dir = sock_dir_subcomponent; | |
309 | } | |
310 | ||
a14d1cc8 MK |
311 | vhost_iommu_enabled = smap_get_bool(ovs_other_config, |
312 | "vhost-iommu-support", false); | |
313 | VLOG_INFO("IOMMU support for vhost-user-client %s.", | |
314 | vhost_iommu_enabled ? "enabled" : "disabled"); | |
315 | ||
30e834dc LB |
316 | vhost_postcopy_enabled = smap_get_bool(ovs_other_config, |
317 | "vhost-postcopy-support", false); | |
318 | if (vhost_postcopy_enabled && memory_locked()) { | |
319 | VLOG_WARN("vhost-postcopy-support and mlockall are not compatible."); | |
320 | vhost_postcopy_enabled = false; | |
321 | } | |
322 | VLOG_INFO("POSTCOPY support for vhost-user-client %s.", | |
323 | vhost_postcopy_enabled ? "enabled" : "disabled"); | |
324 | ||
43307ad0 IS |
325 | per_port_memory = smap_get_bool(ovs_other_config, |
326 | "per-port-memory", false); | |
327 | VLOG_INFO("Per port memory for DPDK devices %s.", | |
328 | per_port_memory ? "enabled" : "disabled"); | |
329 | ||
68c00e3e IM |
330 | svec_add(&args, ovs_get_program_name()); |
331 | construct_dpdk_args(ovs_other_config, &args); | |
01961bbd | 332 | |
8411b6cc IM |
333 | if (!args_contains(&args, "--legacy-mem") |
334 | && !args_contains(&args, "--socket-limit")) { | |
335 | const char *arg; | |
336 | size_t i; | |
337 | ||
338 | SVEC_FOR_EACH (i, arg, &args) { | |
339 | if (!strcmp(arg, "--socket-mem")) { | |
340 | break; | |
341 | } | |
342 | } | |
343 | if (i < args.n - 1) { | |
344 | svec_add(&args, "--socket-limit"); | |
345 | svec_add(&args, args.names[i + 1]); | |
346 | } | |
347 | } | |
348 | ||
68c00e3e IM |
349 | if (args_contains(&args, "-c") || args_contains(&args, "-l")) { |
350 | auto_determine = false; | |
01961bbd | 351 | } |
01961bbd DDP |
352 | |
353 | /** | |
354 | * NOTE: This is an unsophisticated mechanism for determining the DPDK | |
355 | * lcore for the DPDK Master. | |
356 | */ | |
357 | if (auto_determine) { | |
15d8655b | 358 | const struct ovs_numa_info_core *core; |
68c00e3e IM |
359 | int cpu = 0; |
360 | ||
01961bbd | 361 | /* Get the main thread affinity */ |
15d8655b IM |
362 | affinity = ovs_numa_thread_getaffinity_dump(); |
363 | if (affinity) { | |
364 | cpu = INT_MAX; | |
365 | FOR_EACH_CORE_ON_DUMP (core, affinity) { | |
366 | if (cpu > core->core_id) { | |
367 | cpu = core->core_id; | |
01961bbd DDP |
368 | } |
369 | } | |
370 | } else { | |
01961bbd | 371 | /* User did not set dpdk-lcore-mask and unable to get current |
68c00e3e | 372 | * thread affintity - default to core #0 */ |
15d8655b | 373 | VLOG_ERR("Thread getaffinity failed. Using core #0"); |
01961bbd | 374 | } |
68c00e3e IM |
375 | svec_add(&args, "-l"); |
376 | svec_add_nocopy(&args, xasprintf("%d", cpu)); | |
01961bbd DDP |
377 | } |
378 | ||
68c00e3e | 379 | svec_terminate(&args); |
01961bbd DDP |
380 | |
381 | optind = 1; | |
382 | ||
383 | if (VLOG_IS_INFO_ENABLED()) { | |
68c00e3e IM |
384 | struct ds eal_args = DS_EMPTY_INITIALIZER; |
385 | char *joined_args = svec_join(&args, " ", "."); | |
386 | ||
387 | ds_put_format(&eal_args, "EAL ARGS: %s", joined_args); | |
01961bbd DDP |
388 | VLOG_INFO("%s", ds_cstr_ro(&eal_args)); |
389 | ds_destroy(&eal_args); | |
68c00e3e | 390 | free(joined_args); |
01961bbd DDP |
391 | } |
392 | ||
68c00e3e IM |
393 | /* Copy because 'rte_eal_init' will change the argv, i.e. it will remove |
394 | * some arguments from it. '+1' to copy the terminating NULL. */ | |
395 | argv = xmemdup(args.names, (args.n + 1) * sizeof args.names[0]); | |
fe11b9e0 | 396 | |
01961bbd | 397 | /* Make sure things are initialized ... */ |
68c00e3e IM |
398 | result = rte_eal_init(args.n, argv); |
399 | ||
400 | free(argv); | |
401 | svec_destroy(&args); | |
01961bbd DDP |
402 | |
403 | /* Set the main thread affinity back to pre rte_eal_init() value */ | |
15d8655b IM |
404 | if (affinity) { |
405 | ovs_numa_thread_setaffinity_dump(affinity); | |
406 | ovs_numa_dump_destroy(affinity); | |
01961bbd DDP |
407 | } |
408 | ||
d7e2509e AC |
409 | if (result < 0) { |
410 | VLOG_EMER("Unable to initialize DPDK: %s", ovs_strerror(rte_errno)); | |
411 | return false; | |
412 | } | |
413 | ||
450ff2bc IM |
414 | if (VLOG_IS_DBG_ENABLED()) { |
415 | size_t size; | |
416 | char *response = NULL; | |
417 | FILE *stream = open_memstream(&response, &size); | |
418 | ||
419 | if (stream) { | |
420 | rte_memzone_dump(stream); | |
421 | fclose(stream); | |
422 | if (size) { | |
423 | VLOG_DBG("rte_memzone_dump:\n%s", response); | |
424 | } | |
425 | free(response); | |
426 | } else { | |
427 | VLOG_DBG("Could not dump memzone. Unable to open memstream: %s.", | |
428 | ovs_strerror(errno)); | |
429 | } | |
430 | } | |
01961bbd DDP |
431 | |
432 | /* We are called from the main thread here */ | |
433 | RTE_PER_LCORE(_lcore_id) = NON_PMD_CORE_ID; | |
434 | ||
435 | #ifdef DPDK_PDUMP | |
436 | VLOG_INFO("DPDK pdump packet capture enabled"); | |
4ae8c461 IM |
437 | VLOG_WARN("DPDK pdump support is deprecated and " |
438 | "will be removed in next OVS releases."); | |
01961bbd DDP |
439 | err = rte_pdump_init(ovs_rundir()); |
440 | if (err) { | |
441 | VLOG_INFO("Error initialising DPDK pdump"); | |
442 | rte_pdump_uninit(); | |
443 | } else { | |
444 | char *server_socket_path; | |
445 | ||
446 | server_socket_path = xasprintf("%s/%s", ovs_rundir(), | |
447 | "pdump_server_socket"); | |
448 | fatal_signal_add_file_to_unlink(server_socket_path); | |
449 | free(server_socket_path); | |
450 | } | |
451 | #endif | |
452 | ||
453 | /* Finally, register the dpdk classes */ | |
454 | netdev_dpdk_register(); | |
4f746d52 | 455 | netdev_register_flow_api_provider(&netdev_offload_dpdk); |
d7e2509e | 456 | return true; |
01961bbd DDP |
457 | } |
458 | ||
459 | void | |
460 | dpdk_init(const struct smap *ovs_other_config) | |
461 | { | |
ec2b0701 DDP |
462 | static bool enabled = false; |
463 | ||
464 | if (enabled || !ovs_other_config) { | |
465 | return; | |
466 | } | |
467 | ||
3e52fa56 AC |
468 | const char *dpdk_init_val = smap_get_def(ovs_other_config, "dpdk-init", |
469 | "false"); | |
470 | ||
6455316b IM |
471 | bool try_only = !strcasecmp(dpdk_init_val, "try"); |
472 | if (!strcasecmp(dpdk_init_val, "true") || try_only) { | |
ec2b0701 | 473 | static struct ovsthread_once once_enable = OVSTHREAD_ONCE_INITIALIZER; |
01961bbd | 474 | |
ec2b0701 | 475 | if (ovsthread_once_start(&once_enable)) { |
40c23a57 | 476 | VLOG_INFO("Using %s", rte_version()); |
ec2b0701 | 477 | VLOG_INFO("DPDK Enabled - initializing..."); |
d7e2509e AC |
478 | enabled = dpdk_init__(ovs_other_config); |
479 | if (enabled) { | |
480 | VLOG_INFO("DPDK Enabled - initialized"); | |
3e52fa56 | 481 | } else if (!try_only) { |
d7e2509e AC |
482 | ovs_abort(rte_errno, "Cannot init EAL"); |
483 | } | |
ec2b0701 | 484 | ovsthread_once_done(&once_enable); |
d7e2509e AC |
485 | } else { |
486 | VLOG_ERR_ONCE("DPDK Initialization Failed."); | |
ec2b0701 DDP |
487 | } |
488 | } else { | |
5575908b | 489 | VLOG_INFO_ONCE("DPDK Disabled - Use other_config:dpdk-init to enable"); |
01961bbd | 490 | } |
3e52fa56 | 491 | dpdk_initialized = enabled; |
01961bbd DDP |
492 | } |
493 | ||
494 | const char * | |
495 | dpdk_get_vhost_sock_dir(void) | |
496 | { | |
497 | return vhost_sock_dir; | |
498 | } | |
499 | ||
a14d1cc8 MK |
500 | bool |
501 | dpdk_vhost_iommu_enabled(void) | |
502 | { | |
503 | return vhost_iommu_enabled; | |
504 | } | |
505 | ||
30e834dc LB |
506 | bool |
507 | dpdk_vhost_postcopy_enabled(void) | |
508 | { | |
509 | return vhost_postcopy_enabled; | |
510 | } | |
511 | ||
43307ad0 IS |
512 | bool |
513 | dpdk_per_port_memory(void) | |
514 | { | |
515 | return per_port_memory; | |
516 | } | |
517 | ||
1276e3db IM |
518 | bool |
519 | dpdk_available(void) | |
520 | { | |
521 | return dpdk_initialized; | |
522 | } | |
523 | ||
01961bbd DDP |
524 | void |
525 | dpdk_set_lcore_id(unsigned cpu) | |
526 | { | |
527 | /* NON_PMD_CORE_ID is reserved for use by non pmd threads. */ | |
528 | ovs_assert(cpu != NON_PMD_CORE_ID); | |
529 | RTE_PER_LCORE(_lcore_id) = cpu; | |
530 | } | |
40c23a57 MC |
531 | |
532 | void | |
533 | print_dpdk_version(void) | |
534 | { | |
535 | puts(rte_version()); | |
536 | } | |
3e52fa56 AC |
537 | |
538 | void | |
539 | dpdk_status(const struct ovsrec_open_vswitch *cfg) | |
540 | { | |
541 | if (cfg) { | |
542 | ovsrec_open_vswitch_set_dpdk_initialized(cfg, dpdk_initialized); | |
543 | ovsrec_open_vswitch_set_dpdk_version(cfg, rte_version()); | |
544 | } | |
545 | } |