1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2010-2018 Intel Corporation.
3 * Copyright(c) 2014 6WIND S.A.
20 #include <sys/queue.h>
23 #include <rte_compat.h>
24 #include <rte_common.h>
25 #include <rte_debug.h>
26 #include <rte_memory.h>
27 #include <rte_launch.h>
29 #include <rte_errno.h>
30 #include <rte_per_lcore.h>
31 #include <rte_lcore.h>
32 #include <rte_service_component.h>
34 #include <rte_random.h>
35 #include <rte_cycles.h>
36 #include <rte_string_fns.h>
37 #include <rte_cpuflags.h>
38 #include <rte_interrupts.h>
41 #include <rte_devargs.h>
42 #include <rte_version.h>
44 #include <malloc_heap.h>
45 #include <telemetry_internal.h>
47 #include "eal_private.h"
48 #include "eal_thread.h"
49 #include "eal_internal_cfg.h"
50 #include "eal_filesystem.h"
51 #include "eal_hugepages.h"
52 #include "eal_options.h"
53 #include "eal_memcfg.h"
54 #include "eal_trace.h"
56 #define MEMSIZE_IF_NO_HUGE_PAGE (64ULL * 1024ULL * 1024ULL)
58 /* define fd variable here, because file needs to be kept open for the
59 * duration of the program, as we hold a write lock on it in the primary proc */
60 static int mem_cfg_fd = -1;
62 static struct flock wr_lock = {
65 .l_start = offsetof(struct rte_mem_config, memsegs),
66 .l_len = RTE_SIZEOF_FIELD(struct rte_mem_config, memsegs),
69 /* internal configuration (per-core) */
70 struct lcore_config lcore_config[RTE_MAX_LCORE];
72 /* used by rte_rdtsc() */
73 int rte_cycles_vmware_tsc_map;
77 eal_clean_runtime_dir(void)
79 /* FreeBSD doesn't need this implemented for now, because, unlike Linux,
80 * FreeBSD doesn't create per-process files, so no need to clean up.
85 /* create memory configuration in shared/mmap memory. Take out
86 * a write lock on the memsegs, so we can auto-detect primary/secondary.
87 * This means we never close the file while running (auto-close on exit).
88 * We also don't lock the whole file, so that in future we can use read-locks
89 * on other parts, e.g. memzones, to detect if there are running secondary
92 rte_eal_config_create(void)
94 struct rte_config *config = rte_eal_get_configuration();
95 const struct internal_config *internal_conf =
96 eal_get_internal_configuration();
97 size_t page_sz = sysconf(_SC_PAGE_SIZE);
98 size_t cfg_len = sizeof(struct rte_mem_config);
99 size_t cfg_len_aligned = RTE_ALIGN(cfg_len, page_sz);
100 void *rte_mem_cfg_addr, *mapped_mem_cfg_addr;
103 const char *pathname = eal_runtime_config_path();
105 if (internal_conf->no_shconf)
108 /* map the config before base address so that we don't waste a page */
109 if (internal_conf->base_virtaddr != 0)
110 rte_mem_cfg_addr = (void *)
111 RTE_ALIGN_FLOOR(internal_conf->base_virtaddr -
112 sizeof(struct rte_mem_config), page_sz);
114 rte_mem_cfg_addr = NULL;
117 mem_cfg_fd = open(pathname, O_RDWR | O_CREAT, 0600);
118 if (mem_cfg_fd < 0) {
119 RTE_LOG(ERR, EAL, "Cannot open '%s' for rte_mem_config\n",
125 retval = ftruncate(mem_cfg_fd, cfg_len);
129 RTE_LOG(ERR, EAL, "Cannot resize '%s' for rte_mem_config\n",
134 retval = fcntl(mem_cfg_fd, F_SETLK, &wr_lock);
138 RTE_LOG(ERR, EAL, "Cannot create lock on '%s'. Is another primary "
139 "process running?\n", pathname);
143 /* reserve space for config */
144 rte_mem_cfg_addr = eal_get_virtual_area(rte_mem_cfg_addr,
145 &cfg_len_aligned, page_sz, 0, 0);
146 if (rte_mem_cfg_addr == NULL) {
147 RTE_LOG(ERR, EAL, "Cannot mmap memory for rte_config\n");
153 /* remap the actual file into the space we've just reserved */
154 mapped_mem_cfg_addr = mmap(rte_mem_cfg_addr,
155 cfg_len_aligned, PROT_READ | PROT_WRITE,
156 MAP_SHARED | MAP_FIXED, mem_cfg_fd, 0);
157 if (mapped_mem_cfg_addr == MAP_FAILED) {
158 RTE_LOG(ERR, EAL, "Cannot remap memory for rte_config\n");
159 munmap(rte_mem_cfg_addr, cfg_len);
165 memcpy(rte_mem_cfg_addr, config->mem_config, sizeof(struct rte_mem_config));
166 config->mem_config = rte_mem_cfg_addr;
168 /* store address of the config in the config itself so that secondary
169 * processes could later map the config into this exact location
171 config->mem_config->mem_cfg_addr = (uintptr_t) rte_mem_cfg_addr;
175 /* attach to an existing shared memory config */
177 rte_eal_config_attach(void)
179 void *rte_mem_cfg_addr;
180 const char *pathname = eal_runtime_config_path();
181 struct rte_config *config = rte_eal_get_configuration();
182 const struct internal_config *internal_conf =
183 eal_get_internal_configuration();
186 if (internal_conf->no_shconf)
190 mem_cfg_fd = open(pathname, O_RDWR);
191 if (mem_cfg_fd < 0) {
192 RTE_LOG(ERR, EAL, "Cannot open '%s' for rte_mem_config\n",
198 rte_mem_cfg_addr = mmap(NULL, sizeof(*config->mem_config),
199 PROT_READ, MAP_SHARED, mem_cfg_fd, 0);
200 /* don't close the fd here, it will be closed on reattach */
201 if (rte_mem_cfg_addr == MAP_FAILED) {
204 RTE_LOG(ERR, EAL, "Cannot mmap memory for rte_config! error %i (%s)\n",
205 errno, strerror(errno));
209 config->mem_config = rte_mem_cfg_addr;
214 /* reattach the shared config at exact memory location primary process has it */
216 rte_eal_config_reattach(void)
218 struct rte_mem_config *mem_config;
219 void *rte_mem_cfg_addr;
220 struct rte_config *config = rte_eal_get_configuration();
221 const struct internal_config *internal_conf =
222 eal_get_internal_configuration();
224 if (internal_conf->no_shconf)
227 /* save the address primary process has mapped shared config to */
229 (void *)(uintptr_t)config->mem_config->mem_cfg_addr;
231 /* unmap original config */
232 munmap(config->mem_config, sizeof(struct rte_mem_config));
234 /* remap the config at proper address */
235 mem_config = (struct rte_mem_config *) mmap(rte_mem_cfg_addr,
236 sizeof(*mem_config), PROT_READ | PROT_WRITE, MAP_SHARED,
241 if (mem_config == MAP_FAILED || mem_config != rte_mem_cfg_addr) {
242 if (mem_config != MAP_FAILED) {
243 /* errno is stale, don't use */
244 RTE_LOG(ERR, EAL, "Cannot mmap memory for rte_config at [%p], got [%p]"
245 " - please use '--" OPT_BASE_VIRTADDR
247 rte_mem_cfg_addr, mem_config);
248 munmap(mem_config, sizeof(struct rte_mem_config));
251 RTE_LOG(ERR, EAL, "Cannot mmap memory for rte_config! error %i (%s)\n",
252 errno, strerror(errno));
256 config->mem_config = mem_config;
261 /* Detect if we are a primary or a secondary process */
263 eal_proc_type_detect(void)
265 enum rte_proc_type_t ptype = RTE_PROC_PRIMARY;
266 const char *pathname = eal_runtime_config_path();
267 const struct internal_config *internal_conf =
268 eal_get_internal_configuration();
270 /* if there no shared config, there can be no secondary processes */
271 if (!internal_conf->no_shconf) {
272 /* if we can open the file but not get a write-lock we are a
273 * secondary process. NOTE: if we get a file handle back, we
274 * keep that open and don't close it to prevent a race condition
275 * between multiple opens.
277 if (((mem_cfg_fd = open(pathname, O_RDWR)) >= 0) &&
278 (fcntl(mem_cfg_fd, F_SETLK, &wr_lock) < 0))
279 ptype = RTE_PROC_SECONDARY;
282 RTE_LOG(INFO, EAL, "Auto-detected process type: %s\n",
283 ptype == RTE_PROC_PRIMARY ? "PRIMARY" : "SECONDARY");
288 /* Sets up rte_config structure with the pointer to shared memory config.*/
290 rte_config_init(void)
292 struct rte_config *config = rte_eal_get_configuration();
293 const struct internal_config *internal_conf =
294 eal_get_internal_configuration();
296 config->process_type = internal_conf->process_type;
298 switch (config->process_type) {
299 case RTE_PROC_PRIMARY:
300 if (rte_eal_config_create() < 0)
302 eal_mcfg_update_from_internal();
304 case RTE_PROC_SECONDARY:
305 if (rte_eal_config_attach() < 0)
307 eal_mcfg_wait_complete();
308 if (eal_mcfg_check_version() < 0) {
309 RTE_LOG(ERR, EAL, "Primary and secondary process DPDK version mismatch\n");
312 if (rte_eal_config_reattach() < 0)
314 if (!__rte_mp_enable()) {
315 RTE_LOG(ERR, EAL, "Primary process refused secondary attachment\n");
318 eal_mcfg_update_internal();
321 case RTE_PROC_INVALID:
322 RTE_LOG(ERR, EAL, "Invalid process type %d\n",
323 config->process_type);
332 eal_usage(const char *prgname)
334 rte_usage_hook_t hook = eal_get_application_usage_hook();
336 printf("\nUsage: %s ", prgname);
338 /* Allow the application to print its usage message too if hook is set */
340 printf("===== Application Usage =====\n\n");
346 eal_get_hugepage_mem_size(void)
350 struct internal_config *internal_conf =
351 eal_get_internal_configuration();
353 for (i = 0; i < internal_conf->num_hugepage_sizes; i++) {
354 struct hugepage_info *hpi = &internal_conf->hugepage_info[i];
355 if (strnlen(hpi->hugedir, sizeof(hpi->hugedir)) != 0) {
356 for (j = 0; j < RTE_MAX_NUMA_NODES; j++) {
357 size += hpi->hugepage_sz * hpi->num_pages[j];
362 return (size < SIZE_MAX) ? (size_t)(size) : SIZE_MAX;
365 /* Parse the arguments for --log-level only */
367 eal_log_level_parse(int argc, char **argv)
372 const int old_optind = optind;
373 const int old_optopt = optopt;
374 const int old_optreset = optreset;
375 char * const old_optarg = optarg;
376 struct internal_config *internal_conf =
377 eal_get_internal_configuration();
383 while ((opt = getopt_long(argc, argvopt, eal_short_options,
384 eal_long_options, &option_index)) != EOF) {
388 /* getopt is not happy, stop right now */
392 ret = (opt == OPT_LOG_LEVEL_NUM) ?
393 eal_parse_common_option(opt, optarg, internal_conf) : 0;
395 /* common parser is not happy */
400 /* restore getopt lib */
403 optreset = old_optreset;
407 /* Parse the argument given in the command line of the application */
409 eal_parse_args(int argc, char **argv)
414 char *prgname = argv[0];
415 const int old_optind = optind;
416 const int old_optopt = optopt;
417 const int old_optreset = optreset;
418 char * const old_optarg = optarg;
419 struct internal_config *internal_conf =
420 eal_get_internal_configuration();
426 while ((opt = getopt_long(argc, argvopt, eal_short_options,
427 eal_long_options, &option_index)) != EOF) {
429 /* getopt didn't recognise the option */
436 /* eal_log_level_parse() already handled this option */
437 if (opt == OPT_LOG_LEVEL_NUM)
440 ret = eal_parse_common_option(opt, optarg, internal_conf);
441 /* common parser is not happy */
447 /* common parser handled this option */
452 case OPT_MBUF_POOL_OPS_NAME_NUM:
454 char *ops_name = strdup(optarg);
455 if (ops_name == NULL)
456 RTE_LOG(ERR, EAL, "Could not store mbuf pool ops name\n");
458 /* free old ops name */
459 if (internal_conf->user_mbuf_pool_ops_name !=
461 free(internal_conf->user_mbuf_pool_ops_name);
463 internal_conf->user_mbuf_pool_ops_name =
472 if (opt < OPT_LONG_MIN_NUM && isprint(opt)) {
473 RTE_LOG(ERR, EAL, "Option %c is not supported "
474 "on FreeBSD\n", opt);
475 } else if (opt >= OPT_LONG_MIN_NUM &&
476 opt < OPT_LONG_MAX_NUM) {
477 RTE_LOG(ERR, EAL, "Option %s is not supported "
479 eal_long_options[option_index].name);
481 RTE_LOG(ERR, EAL, "Option %d is not supported "
482 "on FreeBSD\n", opt);
490 /* create runtime data directory. In no_shconf mode, skip any errors */
491 if (eal_create_runtime_dir() < 0) {
492 if (internal_conf->no_shconf == 0) {
493 RTE_LOG(ERR, EAL, "Cannot create runtime directory\n");
497 RTE_LOG(WARNING, EAL, "No DPDK runtime directory created\n");
500 if (eal_adjust_config(internal_conf) != 0) {
506 if (eal_check_common_options(internal_conf) != 0) {
513 argv[optind-1] = prgname;
517 /* restore getopt lib */
520 optreset = old_optreset;
527 check_socket(const struct rte_memseg_list *msl, void *arg)
529 int *socket_id = arg;
534 if (msl->socket_id == *socket_id && msl->memseg_arr.count != 0)
541 eal_check_mem_on_local_socket(void)
544 const struct rte_config *config = rte_eal_get_configuration();
546 socket_id = rte_lcore_to_socket_id(config->main_lcore);
548 if (rte_memseg_list_walk(check_socket, &socket_id) == 0)
549 RTE_LOG(WARNING, EAL, "WARNING: Main core has no memory on local socket!\n");
554 sync_func(__rte_unused void *arg)
558 /* Abstraction for port I/0 privilege */
560 rte_eal_iopl_init(void)
565 fd = open("/dev/io", O_RDWR);
569 /* keep fd open for iopl */
573 static void rte_eal_init_alert(const char *msg)
575 fprintf(stderr, "EAL: FATAL: %s\n", msg);
576 RTE_LOG(ERR, EAL, "%s\n", msg);
579 /* Launch threads, called at application init(). */
581 rte_eal_init(int argc, char **argv)
585 static uint32_t run_once;
586 uint32_t has_run = 0;
587 char cpuset[RTE_CPU_AFFINITY_STR_LEN];
588 char thread_name[RTE_MAX_THREAD_NAME_LEN];
589 const struct rte_config *config = rte_eal_get_configuration();
590 struct internal_config *internal_conf =
591 eal_get_internal_configuration();
593 enum rte_iova_mode iova_mode;
595 /* checks if the machine is adequate */
596 if (!rte_cpu_is_supported()) {
597 rte_eal_init_alert("unsupported cpu type.");
602 if (!__atomic_compare_exchange_n(&run_once, &has_run, 1, 0,
603 __ATOMIC_RELAXED, __ATOMIC_RELAXED)) {
604 rte_eal_init_alert("already called initialization.");
605 rte_errno = EALREADY;
609 thread_id = pthread_self();
611 eal_reset_internal_config(internal_conf);
613 /* clone argv to report out later in telemetry */
614 eal_save_args(argc, argv);
616 /* set log level as early as possible */
617 eal_log_level_parse(argc, argv);
619 if (rte_eal_cpu_init() < 0) {
620 rte_eal_init_alert("Cannot detect lcores.");
625 fctret = eal_parse_args(argc, argv);
627 rte_eal_init_alert("Invalid 'command line' arguments.");
629 __atomic_store_n(&run_once, 0, __ATOMIC_RELAXED);
633 /* FreeBSD always uses legacy memory model */
634 internal_conf->legacy_mem = true;
635 if (internal_conf->in_memory) {
636 RTE_LOG(WARNING, EAL, "Warning: ignoring unsupported flag, '%s'\n", OPT_IN_MEMORY);
637 internal_conf->in_memory = false;
640 if (eal_plugins_init() < 0) {
641 rte_eal_init_alert("Cannot init plugins");
643 __atomic_store_n(&run_once, 0, __ATOMIC_RELAXED);
647 if (eal_trace_init() < 0) {
648 rte_eal_init_alert("Cannot init trace");
650 __atomic_store_n(&run_once, 0, __ATOMIC_RELAXED);
654 if (eal_option_device_parse()) {
656 __atomic_store_n(&run_once, 0, __ATOMIC_RELAXED);
660 if (rte_config_init() < 0) {
661 rte_eal_init_alert("Cannot init config");
665 if (rte_eal_intr_init() < 0) {
666 rte_eal_init_alert("Cannot init interrupt-handling thread");
670 if (rte_eal_alarm_init() < 0) {
671 rte_eal_init_alert("Cannot init alarm");
672 /* rte_eal_alarm_init sets rte_errno on failure. */
676 /* Put mp channel init before bus scan so that we can init the vdev
677 * bus through mp channel in the secondary process before the bus scan.
679 if (rte_mp_channel_init() < 0 && rte_errno != ENOTSUP) {
680 rte_eal_init_alert("failed to init mp channel");
681 if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
687 if (rte_bus_scan()) {
688 rte_eal_init_alert("Cannot scan the buses for devices");
690 __atomic_store_n(&run_once, 0, __ATOMIC_RELAXED);
695 * PA are only available for hugepages via contigmem.
696 * If contigmem is inaccessible, rte_eal_hugepage_init() will fail
697 * with a message describing the cause.
699 has_phys_addr = internal_conf->no_hugetlbfs == 0;
700 iova_mode = internal_conf->iova_mode;
701 if (iova_mode == RTE_IOVA_PA && !has_phys_addr) {
702 rte_eal_init_alert("Cannot use IOVA as 'PA' since physical addresses are not available");
706 if (iova_mode == RTE_IOVA_DC) {
707 RTE_LOG(DEBUG, EAL, "Specific IOVA mode is not requested, autodetecting\n");
709 RTE_LOG(DEBUG, EAL, "Selecting IOVA mode according to bus requests\n");
710 iova_mode = rte_bus_get_iommu_class();
711 if (iova_mode == RTE_IOVA_DC)
712 iova_mode = RTE_IOVA_PA;
714 iova_mode = RTE_IOVA_VA;
717 rte_eal_get_configuration()->iova_mode = iova_mode;
718 RTE_LOG(INFO, EAL, "Selected IOVA mode '%s'\n",
719 rte_eal_iova_mode() == RTE_IOVA_PA ? "PA" : "VA");
721 if (internal_conf->no_hugetlbfs == 0) {
722 /* rte_config isn't initialized yet */
723 ret = internal_conf->process_type == RTE_PROC_PRIMARY ?
724 eal_hugepage_info_init() :
725 eal_hugepage_info_read();
727 rte_eal_init_alert("Cannot get hugepage information.");
729 __atomic_store_n(&run_once, 0, __ATOMIC_RELAXED);
734 if (internal_conf->memory == 0 && internal_conf->force_sockets == 0) {
735 if (internal_conf->no_hugetlbfs)
736 internal_conf->memory = MEMSIZE_IF_NO_HUGE_PAGE;
738 internal_conf->memory = eal_get_hugepage_mem_size();
741 if (internal_conf->vmware_tsc_map == 1) {
742 #ifdef RTE_LIBRTE_EAL_VMWARE_TSC_MAP_SUPPORT
743 rte_cycles_vmware_tsc_map = 1;
744 RTE_LOG (DEBUG, EAL, "Using VMWARE TSC MAP, "
745 "you must have monitor_control.pseudo_perfctr = TRUE\n");
747 RTE_LOG (WARNING, EAL, "Ignoring --vmware-tsc-map because "
748 "RTE_LIBRTE_EAL_VMWARE_TSC_MAP_SUPPORT is not set\n");
752 /* in secondary processes, memory init may allocate additional fbarrays
753 * not present in primary processes, so to avoid any potential issues,
754 * initialize memzones first.
756 if (rte_eal_memzone_init() < 0) {
757 rte_eal_init_alert("Cannot init memzone");
762 if (rte_eal_memory_init() < 0) {
763 rte_eal_init_alert("Cannot init memory");
768 if (rte_eal_malloc_heap_init() < 0) {
769 rte_eal_init_alert("Cannot init malloc heap");
774 if (rte_eal_tailqs_init() < 0) {
775 rte_eal_init_alert("Cannot init tail queues for objects");
780 if (rte_eal_timer_init() < 0) {
781 rte_eal_init_alert("Cannot init HPET or TSC timers");
786 eal_check_mem_on_local_socket();
788 if (pthread_setaffinity_np(pthread_self(), sizeof(rte_cpuset_t),
789 &lcore_config[config->main_lcore].cpuset) != 0) {
790 rte_eal_init_alert("Cannot set affinity");
794 __rte_thread_init(config->main_lcore,
795 &lcore_config[config->main_lcore].cpuset);
797 ret = eal_thread_dump_current_affinity(cpuset, sizeof(cpuset));
799 RTE_LOG(DEBUG, EAL, "Main lcore %u is ready (tid=%p;cpuset=[%s%s])\n",
800 config->main_lcore, thread_id, cpuset,
801 ret == 0 ? "" : "...");
803 RTE_LCORE_FOREACH_WORKER(i) {
806 * create communication pipes between main thread
809 if (pipe(lcore_config[i].pipe_main2worker) < 0)
810 rte_panic("Cannot create pipe\n");
811 if (pipe(lcore_config[i].pipe_worker2main) < 0)
812 rte_panic("Cannot create pipe\n");
814 lcore_config[i].state = WAIT;
816 /* create a thread for each lcore */
817 ret = pthread_create(&lcore_config[i].thread_id, NULL,
818 eal_thread_loop, NULL);
820 rte_panic("Cannot create thread\n");
822 /* Set thread_name for aid in debugging. */
823 snprintf(thread_name, sizeof(thread_name),
824 "lcore-worker-%d", i);
825 rte_thread_setname(lcore_config[i].thread_id, thread_name);
827 ret = pthread_setaffinity_np(lcore_config[i].thread_id,
828 sizeof(rte_cpuset_t), &lcore_config[i].cpuset);
830 rte_panic("Cannot set affinity\n");
834 * Launch a dummy function on all worker lcores, so that main lcore
835 * knows they are all ready when this function returns.
837 rte_eal_mp_remote_launch(sync_func, NULL, SKIP_MAIN);
838 rte_eal_mp_wait_lcore();
840 /* initialize services so vdevs register service during bus_probe. */
841 ret = rte_service_init();
843 rte_eal_init_alert("rte_service_init() failed");
848 /* Probe all the buses and devices/drivers on them */
849 if (rte_bus_probe()) {
850 rte_eal_init_alert("Cannot probe devices");
855 /* initialize default service/lcore mappings and start running. Ignore
856 * -ENOTSUP, as it indicates no service coremask passed to EAL.
858 ret = rte_service_start_with_defaults();
859 if (ret < 0 && ret != -ENOTSUP) {
865 * Clean up unused files in runtime directory. We do this at the end of
866 * init and not at the beginning because we want to clean stuff up
867 * whether we are primary or secondary process, but we cannot remove
868 * primary process' files because secondary should be able to run even
869 * if primary process is dead.
871 * In no_shconf mode, no runtime directory is created in the first
872 * place, so no cleanup needed.
874 if (!internal_conf->no_shconf && eal_clean_runtime_dir() < 0) {
875 rte_eal_init_alert("Cannot clear runtime directory");
878 if (rte_eal_process_type() == RTE_PROC_PRIMARY && !internal_conf->no_telemetry) {
879 int tlog = rte_log_register_type_and_pick_level(
880 "lib.telemetry", RTE_LOG_WARNING);
882 tlog = RTE_LOGTYPE_EAL;
883 if (rte_telemetry_init(rte_eal_get_runtime_dir(),
885 &internal_conf->ctrl_cpuset, rte_log, tlog) != 0)
895 rte_eal_cleanup(void)
897 struct internal_config *internal_conf =
898 eal_get_internal_configuration();
899 rte_service_finalize();
900 rte_mp_channel_cleanup();
901 /* after this point, any DPDK pointers will become dangling */
902 rte_eal_memory_detach();
903 rte_eal_alarm_cleanup();
906 eal_cleanup_config(internal_conf);
910 int rte_eal_create_uio_dev(void)
912 const struct internal_config *internal_conf =
913 eal_get_internal_configuration();
914 return internal_conf->create_uio_dev;
918 rte_eal_vfio_intr_mode(void)
920 return RTE_INTR_MODE_NONE;
924 rte_eal_vfio_get_vf_token(__rte_unused rte_uuid_t vf_token)
928 int rte_vfio_setup_device(__rte_unused const char *sysfs_base,
929 __rte_unused const char *dev_addr,
930 __rte_unused int *vfio_dev_fd,
931 __rte_unused struct vfio_device_info *device_info)
937 int rte_vfio_release_device(__rte_unused const char *sysfs_base,
938 __rte_unused const char *dev_addr,
945 int rte_vfio_enable(__rte_unused const char *modname)
951 int rte_vfio_is_enabled(__rte_unused const char *modname)
956 int rte_vfio_noiommu_is_enabled(void)
961 int rte_vfio_clear_group(__rte_unused int vfio_group_fd)
968 rte_vfio_get_group_num(__rte_unused const char *sysfs_base,
969 __rte_unused const char *dev_addr,
970 __rte_unused int *iommu_group_num)
977 rte_vfio_get_container_fd(void)
984 rte_vfio_get_group_fd(__rte_unused int iommu_group_num)
991 rte_vfio_container_create(void)
998 rte_vfio_container_destroy(__rte_unused int container_fd)
1000 rte_errno = ENOTSUP;
1005 rte_vfio_container_group_bind(__rte_unused int container_fd,
1006 __rte_unused int iommu_group_num)
1008 rte_errno = ENOTSUP;
1013 rte_vfio_container_group_unbind(__rte_unused int container_fd,
1014 __rte_unused int iommu_group_num)
1016 rte_errno = ENOTSUP;
1021 rte_vfio_container_dma_map(__rte_unused int container_fd,
1022 __rte_unused uint64_t vaddr,
1023 __rte_unused uint64_t iova,
1024 __rte_unused uint64_t len)
1026 rte_errno = ENOTSUP;
1031 rte_vfio_container_dma_unmap(__rte_unused int container_fd,
1032 __rte_unused uint64_t vaddr,
1033 __rte_unused uint64_t iova,
1034 __rte_unused uint64_t len)
1036 rte_errno = ENOTSUP;