1 /* SPDX-License-Identifier: BSD-3-Clause
14 #include <sys/types.h>
15 #include <sys/syscall.h>
17 #include <rte_byteorder.h>
18 #include <rte_common.h>
19 #include <rte_interrupts.h>
21 #include <rte_debug.h>
22 #include <rte_atomic.h>
23 #include <rte_branch_prediction.h>
24 #include <rte_memory.h>
25 #include <rte_tailq.h>
27 #include <rte_alarm.h>
28 #include <rte_ether.h>
29 #include <rte_ethdev_driver.h>
30 #include <rte_malloc.h>
33 #include <rte_mbuf_pool_ops.h>
35 #include <rte_dpaa_bus.h>
36 #include <rte_dpaa_logs.h>
37 #include <dpaax_iova_table.h>
46 int dpaa_logtype_mempool;
48 int dpaa_logtype_eventdev;
50 struct rte_dpaa_bus rte_dpaa_bus;
51 struct netcfg_info *dpaa_netcfg;
53 /* define a variable to hold the portal_key, once created.*/
54 static pthread_key_t dpaa_portal_key;
56 unsigned int dpaa_svr_family;
58 #define FSL_DPAA_BUS_NAME dpaa_bus
60 RTE_DEFINE_PER_LCORE(bool, dpaa_io);
61 RTE_DEFINE_PER_LCORE(struct dpaa_portal_dqrr, held_bufs);
64 compare_dpaa_devices(struct rte_dpaa_device *dev1,
65 struct rte_dpaa_device *dev2)
69 /* Segragating ETH from SEC devices */
70 if (dev1->device_type > dev2->device_type)
72 else if (dev1->device_type < dev2->device_type)
77 if ((comp != 0) || (dev1->device_type != FSL_DPAA_ETH))
80 if (dev1->id.fman_id > dev2->id.fman_id) {
82 } else if (dev1->id.fman_id < dev2->id.fman_id) {
85 /* FMAN ids match, check for mac_id */
86 if (dev1->id.mac_id > dev2->id.mac_id)
88 else if (dev1->id.mac_id < dev2->id.mac_id)
98 dpaa_add_to_device_list(struct rte_dpaa_device *newdev)
100 int comp, inserted = 0;
101 struct rte_dpaa_device *dev = NULL;
102 struct rte_dpaa_device *tdev = NULL;
104 TAILQ_FOREACH_SAFE(dev, &rte_dpaa_bus.device_list, next, tdev) {
105 comp = compare_dpaa_devices(newdev, dev);
107 TAILQ_INSERT_BEFORE(dev, newdev, next);
114 TAILQ_INSERT_TAIL(&rte_dpaa_bus.device_list, newdev, next);
118 * Reads the SEC device from DTS
119 * Returns -1 if SEC devices not available, 0 otherwise
122 dpaa_sec_available(void)
124 const struct device_node *caam_node;
126 for_each_compatible_node(caam_node, NULL, "fsl,sec-v4.0") {
133 static void dpaa_clean_device_list(void);
135 static struct rte_devargs *
136 dpaa_devargs_lookup(struct rte_dpaa_device *dev)
138 struct rte_devargs *devargs;
141 RTE_EAL_DEVARGS_FOREACH("dpaa_bus", devargs) {
142 devargs->bus->parse(devargs->name, &dev_name);
143 if (strcmp(dev_name, dev->device.name) == 0) {
144 DPAA_BUS_INFO("**Devargs matched %s", dev_name);
152 dpaa_create_device_list(void)
156 struct rte_dpaa_device *dev;
157 struct fm_eth_port_cfg *cfg;
158 struct fman_if *fman_intf;
160 /* Creating Ethernet Devices */
161 for (i = 0; i < dpaa_netcfg->num_ethports; i++) {
162 dev = calloc(1, sizeof(struct rte_dpaa_device));
164 DPAA_BUS_LOG(ERR, "Failed to allocate ETH devices");
169 dev->device.bus = &rte_dpaa_bus.bus;
171 cfg = &dpaa_netcfg->port_cfg[i];
172 fman_intf = cfg->fman_if;
174 /* Device identifiers */
175 dev->id.fman_id = fman_intf->fman_idx + 1;
176 dev->id.mac_id = fman_intf->mac_idx;
177 dev->device_type = FSL_DPAA_ETH;
180 /* Create device name */
181 memset(dev->name, 0, RTE_ETH_NAME_MAX_LEN);
182 sprintf(dev->name, "fm%d-mac%d", (fman_intf->fman_idx + 1),
184 DPAA_BUS_LOG(INFO, "%s netdev added", dev->name);
185 dev->device.name = dev->name;
186 dev->device.devargs = dpaa_devargs_lookup(dev);
188 dpaa_add_to_device_list(dev);
191 rte_dpaa_bus.device_count = i;
193 /* Unlike case of ETH, RTE_LIBRTE_DPAA_MAX_CRYPTODEV SEC devices are
194 * constantly created only if "sec" property is found in the device
195 * tree. Logically there is no limit for number of devices (QI
196 * interfaces) that can be created.
199 if (dpaa_sec_available()) {
200 DPAA_BUS_LOG(INFO, "DPAA SEC devices are not available");
204 /* Creating SEC Devices */
205 for (i = 0; i < RTE_LIBRTE_DPAA_MAX_CRYPTODEV; i++) {
206 dev = calloc(1, sizeof(struct rte_dpaa_device));
208 DPAA_BUS_LOG(ERR, "Failed to allocate SEC devices");
213 dev->device_type = FSL_DPAA_CRYPTO;
214 dev->id.dev_id = rte_dpaa_bus.device_count + i;
216 /* Even though RTE_CRYPTODEV_NAME_MAX_LEN is valid length of
217 * crypto PMD, using RTE_ETH_NAME_MAX_LEN as that is the size
218 * allocated for dev->name/
220 memset(dev->name, 0, RTE_ETH_NAME_MAX_LEN);
221 sprintf(dev->name, "dpaa-sec%d", i);
222 DPAA_BUS_LOG(INFO, "%s cryptodev added", dev->name);
223 dev->device.name = dev->name;
224 dev->device.devargs = dpaa_devargs_lookup(dev);
226 dpaa_add_to_device_list(dev);
229 rte_dpaa_bus.device_count += i;
234 dpaa_clean_device_list();
239 dpaa_clean_device_list(void)
241 struct rte_dpaa_device *dev = NULL;
242 struct rte_dpaa_device *tdev = NULL;
244 TAILQ_FOREACH_SAFE(dev, &rte_dpaa_bus.device_list, next, tdev) {
245 TAILQ_REMOVE(&rte_dpaa_bus.device_list, dev, next);
251 int rte_dpaa_portal_init(void *arg)
255 uint32_t cpu = rte_lcore_id();
257 struct dpaa_portal *dpaa_io_portal;
259 BUS_INIT_FUNC_TRACE();
261 if ((size_t)arg == 1 || cpu == LCORE_ID_ANY)
262 cpu = rte_get_master_lcore();
263 /* if the core id is not supported */
265 if (cpu >= RTE_MAX_LCORE)
268 /* Set CPU affinity for this thread */
270 CPU_SET(cpu, &cpuset);
272 ret = pthread_setaffinity_np(id, sizeof(cpu_set_t), &cpuset);
274 DPAA_BUS_LOG(ERR, "pthread_setaffinity_np failed on "
275 "core :%d with ret: %d", cpu, ret);
279 /* Initialise bman thread portals */
280 ret = bman_thread_init();
282 DPAA_BUS_LOG(ERR, "bman_thread_init failed on "
283 "core %d with ret: %d", cpu, ret);
287 DPAA_BUS_LOG(DEBUG, "BMAN thread initialized");
289 /* Initialise qman thread portals */
290 ret = qman_thread_init();
292 DPAA_BUS_LOG(ERR, "bman_thread_init failed on "
293 "core %d with ret: %d", cpu, ret);
294 bman_thread_finish();
298 DPAA_BUS_LOG(DEBUG, "QMAN thread initialized");
300 dpaa_io_portal = rte_malloc(NULL, sizeof(struct dpaa_portal),
301 RTE_CACHE_LINE_SIZE);
302 if (!dpaa_io_portal) {
303 DPAA_BUS_LOG(ERR, "Unable to allocate memory");
304 bman_thread_finish();
305 qman_thread_finish();
309 dpaa_io_portal->qman_idx = qman_get_portal_index();
310 dpaa_io_portal->bman_idx = bman_get_portal_index();
311 dpaa_io_portal->tid = syscall(SYS_gettid);
313 ret = pthread_setspecific(dpaa_portal_key, (void *)dpaa_io_portal);
315 DPAA_BUS_LOG(ERR, "pthread_setspecific failed on "
316 "core %d with ret: %d", cpu, ret);
317 dpaa_portal_finish(NULL);
322 RTE_PER_LCORE(dpaa_io) = true;
324 DPAA_BUS_LOG(DEBUG, "QMAN thread initialized");
330 rte_dpaa_portal_fq_init(void *arg, struct qman_fq *fq)
332 /* Affine above created portal with channel*/
334 struct qman_portal *qp;
337 if (unlikely(!RTE_PER_LCORE(dpaa_io))) {
338 ret = rte_dpaa_portal_init(arg);
340 DPAA_BUS_LOG(ERR, "portal initialization failure");
345 /* Initialise qman specific portals */
346 qp = fsl_qman_portal_create();
348 DPAA_BUS_LOG(ERR, "Unable to alloc fq portal");
352 sdqcr = QM_SDQCR_CHANNELS_POOL_CONV(fq->ch_id);
353 qman_static_dequeue_add(sdqcr, qp);
358 int rte_dpaa_portal_fq_close(struct qman_fq *fq)
360 return fsl_qman_portal_destroy(fq->qp);
364 dpaa_portal_finish(void *arg)
366 struct dpaa_portal *dpaa_io_portal = (struct dpaa_portal *)arg;
368 if (!dpaa_io_portal) {
369 DPAA_BUS_LOG(DEBUG, "Portal already cleaned");
373 bman_thread_finish();
374 qman_thread_finish();
376 pthread_setspecific(dpaa_portal_key, NULL);
378 rte_free(dpaa_io_portal);
379 dpaa_io_portal = NULL;
381 RTE_PER_LCORE(dpaa_io) = false;
385 rte_dpaa_bus_parse(const char *name, void *out_name)
388 int max_fman = 2, max_macs = 16;
389 char *sep = strchr(name, ':');
391 if (strncmp(name, RTE_STR(FSL_DPAA_BUS_NAME),
392 strlen(RTE_STR(FSL_DPAA_BUS_NAME)))) {
397 DPAA_BUS_ERR("Incorrect device name observed");
401 sep = (char *) (sep + 1);
403 for (i = 0; i < max_fman; i++) {
404 for (j = 0; j < max_macs; j++) {
406 snprintf(fm_name, 16, "fm%d-mac%d", i, j);
407 if (strcmp(fm_name, sep) == 0) {
409 strcpy(out_name, sep);
415 for (i = 0; i < RTE_LIBRTE_DPAA_MAX_CRYPTODEV; i++) {
418 snprintf(sec_name, 16, "dpaa-sec%d", i);
419 if (strcmp(sec_name, sep) == 0) {
421 strcpy(out_name, sep);
429 #define DPAA_DEV_PATH1 "/sys/devices/platform/soc/soc:fsl,dpaa"
430 #define DPAA_DEV_PATH2 "/sys/devices/platform/fsl,dpaa"
433 rte_dpaa_bus_scan(void)
437 BUS_INIT_FUNC_TRACE();
439 if ((access(DPAA_DEV_PATH1, F_OK) != 0) &&
440 (access(DPAA_DEV_PATH2, F_OK) != 0)) {
441 RTE_LOG(DEBUG, EAL, "DPAA Bus not present. Skipping.\n");
445 /* Load the device-tree driver */
448 DPAA_BUS_LOG(ERR, "of_init failed with ret: %d", ret);
452 /* Get the interface configurations from device-tree */
453 dpaa_netcfg = netcfg_acquire();
455 DPAA_BUS_LOG(ERR, "netcfg_acquire failed");
459 RTE_LOG(NOTICE, EAL, "DPAA Bus Detected\n");
461 if (!dpaa_netcfg->num_ethports) {
462 DPAA_BUS_LOG(INFO, "no network interfaces available");
463 /* This is not an error */
467 #ifdef RTE_LIBRTE_DPAA_DEBUG_DRIVER
468 dump_netcfg(dpaa_netcfg);
471 DPAA_BUS_LOG(DEBUG, "Number of ethernet devices = %d",
472 dpaa_netcfg->num_ethports);
473 ret = dpaa_create_device_list();
475 DPAA_BUS_LOG(ERR, "Unable to create device list. (%d)", ret);
479 /* create the key, supplying a function that'll be invoked
480 * when a portal affined thread will be deleted.
482 ret = pthread_key_create(&dpaa_portal_key, dpaa_portal_finish);
484 DPAA_BUS_LOG(DEBUG, "Unable to create pthread key. (%d)", ret);
485 dpaa_clean_device_list();
492 /* register a dpaa bus based dpaa driver */
494 rte_dpaa_driver_register(struct rte_dpaa_driver *driver)
498 BUS_INIT_FUNC_TRACE();
500 TAILQ_INSERT_TAIL(&rte_dpaa_bus.driver_list, driver, next);
501 /* Update Bus references */
502 driver->dpaa_bus = &rte_dpaa_bus;
505 /* un-register a dpaa bus based dpaa driver */
507 rte_dpaa_driver_unregister(struct rte_dpaa_driver *driver)
509 struct rte_dpaa_bus *dpaa_bus;
511 BUS_INIT_FUNC_TRACE();
513 dpaa_bus = driver->dpaa_bus;
515 TAILQ_REMOVE(&dpaa_bus->driver_list, driver, next);
516 /* Update Bus references */
517 driver->dpaa_bus = NULL;
521 rte_dpaa_device_match(struct rte_dpaa_driver *drv,
522 struct rte_dpaa_device *dev)
525 DPAA_BUS_DEBUG("Invalid drv or dev received.");
529 if (drv->drv_type == dev->device_type)
536 rte_dpaa_bus_probe(void)
539 struct rte_dpaa_device *dev;
540 struct rte_dpaa_driver *drv;
541 FILE *svr_file = NULL;
542 unsigned int svr_ver;
543 int probe_all = rte_dpaa_bus.bus.conf.scan_mode != RTE_BUS_SCAN_WHITELIST;
545 svr_file = fopen(DPAA_SOC_ID_FILE, "r");
547 if (fscanf(svr_file, "svr:%x", &svr_ver) > 0)
548 dpaa_svr_family = svr_ver & SVR_MASK;
552 /* And initialize the PA->VA translation table */
553 dpaax_iova_table_populate();
555 /* For each registered driver, and device, call the driver->probe */
556 TAILQ_FOREACH(dev, &rte_dpaa_bus.device_list, next) {
557 TAILQ_FOREACH(drv, &rte_dpaa_bus.driver_list, next) {
558 ret = rte_dpaa_device_match(drv, dev);
562 if (rte_dev_is_probed(&dev->device))
566 (dev->device.devargs &&
567 dev->device.devargs->policy == RTE_DEV_BLACKLISTED))
571 (dev->device.devargs &&
572 dev->device.devargs->policy ==
573 RTE_DEV_WHITELISTED)) {
574 ret = drv->probe(drv, dev);
576 DPAA_BUS_ERR("Unable to probe.\n");
579 dev->device.driver = &drv->driver;
586 /* Register DPAA mempool ops only if any DPAA device has
589 if (!TAILQ_EMPTY(&rte_dpaa_bus.device_list))
590 rte_mbuf_set_platform_mempool_ops(DPAA_MEMPOOL_OPS_NAME);
595 static struct rte_device *
596 rte_dpaa_find_device(const struct rte_device *start, rte_dev_cmp_t cmp,
599 struct rte_dpaa_device *dev;
601 TAILQ_FOREACH(dev, &rte_dpaa_bus.device_list, next) {
602 if (start && &dev->device == start) {
603 start = NULL; /* starting point found */
607 if (cmp(&dev->device, data) == 0)
615 * Get iommu class of DPAA2 devices on the bus.
617 static enum rte_iova_mode
618 rte_dpaa_get_iommu_class(void)
620 if ((access(DPAA_DEV_PATH1, F_OK) != 0) &&
621 (access(DPAA_DEV_PATH2, F_OK) != 0)) {
627 struct rte_dpaa_bus rte_dpaa_bus = {
629 .scan = rte_dpaa_bus_scan,
630 .probe = rte_dpaa_bus_probe,
631 .parse = rte_dpaa_bus_parse,
632 .find_device = rte_dpaa_find_device,
633 .get_iommu_class = rte_dpaa_get_iommu_class,
635 .device_list = TAILQ_HEAD_INITIALIZER(rte_dpaa_bus.device_list),
636 .driver_list = TAILQ_HEAD_INITIALIZER(rte_dpaa_bus.driver_list),
640 RTE_REGISTER_BUS(FSL_DPAA_BUS_NAME, rte_dpaa_bus.bus);
642 RTE_INIT(dpaa_init_log)
644 dpaa_logtype_bus = rte_log_register("bus.dpaa");
645 if (dpaa_logtype_bus >= 0)
646 rte_log_set_level(dpaa_logtype_bus, RTE_LOG_NOTICE);
648 dpaa_logtype_mempool = rte_log_register("mempool.dpaa");
649 if (dpaa_logtype_mempool >= 0)
650 rte_log_set_level(dpaa_logtype_mempool, RTE_LOG_NOTICE);
652 dpaa_logtype_pmd = rte_log_register("pmd.net.dpaa");
653 if (dpaa_logtype_pmd >= 0)
654 rte_log_set_level(dpaa_logtype_pmd, RTE_LOG_NOTICE);
656 dpaa_logtype_eventdev = rte_log_register("pmd.event.dpaa");
657 if (dpaa_logtype_eventdev >= 0)
658 rte_log_set_level(dpaa_logtype_eventdev, RTE_LOG_NOTICE);