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>
23 #include <rte_atomic.h>
24 #include <rte_branch_prediction.h>
25 #include <rte_memory.h>
26 #include <rte_tailq.h>
28 #include <rte_alarm.h>
29 #include <rte_ether.h>
30 #include <rte_ethdev.h>
31 #include <rte_malloc.h>
35 #include <rte_dpaa_bus.h>
36 #include <rte_dpaa_logs.h>
45 int dpaa_logtype_mempool;
47 int dpaa_logtype_eventdev;
49 struct rte_dpaa_bus rte_dpaa_bus;
50 struct netcfg_info *dpaa_netcfg;
52 /* define a variable to hold the portal_key, once created.*/
53 pthread_key_t dpaa_portal_key;
55 unsigned int dpaa_svr_family;
57 RTE_DEFINE_PER_LCORE(bool, _dpaa_io);
58 RTE_DEFINE_PER_LCORE(struct dpaa_portal_dqrr, held_bufs);
61 dpaa_add_to_device_list(struct rte_dpaa_device *dev)
63 TAILQ_INSERT_TAIL(&rte_dpaa_bus.device_list, dev, next);
67 dpaa_remove_from_device_list(struct rte_dpaa_device *dev)
69 TAILQ_INSERT_TAIL(&rte_dpaa_bus.device_list, dev, next);
73 * Reads the SEC device from DTS
74 * Returns -1 if SEC devices not available, 0 otherwise
77 dpaa_sec_available(void)
79 const struct device_node *caam_node;
81 for_each_compatible_node(caam_node, NULL, "fsl,sec-v4.0") {
88 static void dpaa_clean_device_list(void);
91 dpaa_create_device_list(void)
95 struct rte_dpaa_device *dev;
96 struct fm_eth_port_cfg *cfg;
97 struct fman_if *fman_intf;
99 /* Creating Ethernet Devices */
100 for (i = 0; i < dpaa_netcfg->num_ethports; i++) {
101 dev = calloc(1, sizeof(struct rte_dpaa_device));
103 DPAA_BUS_LOG(ERR, "Failed to allocate ETH devices");
108 cfg = &dpaa_netcfg->port_cfg[i];
109 fman_intf = cfg->fman_if;
111 /* Device identifiers */
112 dev->id.fman_id = fman_intf->fman_idx + 1;
113 dev->id.mac_id = fman_intf->mac_idx;
114 dev->device_type = FSL_DPAA_ETH;
117 /* Create device name */
118 memset(dev->name, 0, RTE_ETH_NAME_MAX_LEN);
119 sprintf(dev->name, "fm%d-mac%d", (fman_intf->fman_idx + 1),
121 DPAA_BUS_LOG(DEBUG, "Device added: %s", dev->name);
122 dev->device.name = dev->name;
124 dpaa_add_to_device_list(dev);
127 rte_dpaa_bus.device_count = i;
129 /* Unlike case of ETH, RTE_LIBRTE_DPAA_MAX_CRYPTODEV SEC devices are
130 * constantly created only if "sec" property is found in the device
131 * tree. Logically there is no limit for number of devices (QI
132 * interfaces) that can be created.
135 if (dpaa_sec_available()) {
136 DPAA_BUS_LOG(INFO, "DPAA SEC devices are not available");
140 /* Creating SEC Devices */
141 for (i = 0; i < RTE_LIBRTE_DPAA_MAX_CRYPTODEV; i++) {
142 dev = calloc(1, sizeof(struct rte_dpaa_device));
144 DPAA_BUS_LOG(ERR, "Failed to allocate SEC devices");
149 dev->device_type = FSL_DPAA_CRYPTO;
150 dev->id.dev_id = rte_dpaa_bus.device_count + i;
152 /* Even though RTE_CRYPTODEV_NAME_MAX_LEN is valid length of
153 * crypto PMD, using RTE_ETH_NAME_MAX_LEN as that is the size
154 * allocated for dev->name/
156 memset(dev->name, 0, RTE_ETH_NAME_MAX_LEN);
157 sprintf(dev->name, "dpaa-sec%d", i);
158 DPAA_BUS_LOG(DEBUG, "Device added: %s", dev->name);
160 dpaa_add_to_device_list(dev);
163 rte_dpaa_bus.device_count += i;
168 dpaa_clean_device_list();
173 dpaa_clean_device_list(void)
175 struct rte_dpaa_device *dev = NULL;
176 struct rte_dpaa_device *tdev = NULL;
178 TAILQ_FOREACH_SAFE(dev, &rte_dpaa_bus.device_list, next, tdev) {
179 TAILQ_REMOVE(&rte_dpaa_bus.device_list, dev, next);
185 /** XXX move this function into a separate file */
187 _dpaa_portal_init(void *arg)
191 uint32_t cpu = rte_lcore_id();
193 struct dpaa_portal *dpaa_io_portal;
195 BUS_INIT_FUNC_TRACE();
197 if ((uint64_t)arg == 1 || cpu == LCORE_ID_ANY)
198 cpu = rte_get_master_lcore();
199 /* if the core id is not supported */
201 if (cpu >= RTE_MAX_LCORE)
204 /* Set CPU affinity for this thread */
206 CPU_SET(cpu, &cpuset);
208 ret = pthread_setaffinity_np(id, sizeof(cpu_set_t), &cpuset);
210 DPAA_BUS_LOG(ERR, "pthread_setaffinity_np failed on "
211 "core :%d with ret: %d", cpu, ret);
215 /* Initialise bman thread portals */
216 ret = bman_thread_init();
218 DPAA_BUS_LOG(ERR, "bman_thread_init failed on "
219 "core %d with ret: %d", cpu, ret);
223 DPAA_BUS_LOG(DEBUG, "BMAN thread initialized");
225 /* Initialise qman thread portals */
226 ret = qman_thread_init();
228 DPAA_BUS_LOG(ERR, "bman_thread_init failed on "
229 "core %d with ret: %d", cpu, ret);
230 bman_thread_finish();
234 DPAA_BUS_LOG(DEBUG, "QMAN thread initialized");
236 dpaa_io_portal = rte_malloc(NULL, sizeof(struct dpaa_portal),
237 RTE_CACHE_LINE_SIZE);
238 if (!dpaa_io_portal) {
239 DPAA_BUS_LOG(ERR, "Unable to allocate memory");
240 bman_thread_finish();
241 qman_thread_finish();
245 dpaa_io_portal->qman_idx = qman_get_portal_index();
246 dpaa_io_portal->bman_idx = bman_get_portal_index();
247 dpaa_io_portal->tid = syscall(SYS_gettid);
249 ret = pthread_setspecific(dpaa_portal_key, (void *)dpaa_io_portal);
251 DPAA_BUS_LOG(ERR, "pthread_setspecific failed on "
252 "core %d with ret: %d", cpu, ret);
253 dpaa_portal_finish(NULL);
258 RTE_PER_LCORE(_dpaa_io) = true;
260 DPAA_BUS_LOG(DEBUG, "QMAN thread initialized");
266 * rte_dpaa_portal_init - Wrapper over _dpaa_portal_init with thread level check
269 int rte_dpaa_portal_init(void *arg)
271 if (unlikely(!RTE_PER_LCORE(_dpaa_io)))
272 return _dpaa_portal_init(arg);
278 rte_dpaa_portal_fq_init(void *arg, struct qman_fq *fq)
280 /* Affine above created portal with channel*/
282 struct qman_portal *qp;
284 if (unlikely(!RTE_PER_LCORE(_dpaa_io)))
285 _dpaa_portal_init(arg);
287 /* Initialise qman specific portals */
288 qp = fsl_qman_portal_create();
290 DPAA_BUS_LOG(ERR, "Unable to alloc fq portal");
294 sdqcr = QM_SDQCR_CHANNELS_POOL_CONV(fq->ch_id);
295 qman_static_dequeue_add(sdqcr, qp);
300 int rte_dpaa_portal_fq_close(struct qman_fq *fq)
302 return fsl_qman_portal_destroy(fq->qp);
306 dpaa_portal_finish(void *arg)
308 struct dpaa_portal *dpaa_io_portal = (struct dpaa_portal *)arg;
310 if (!dpaa_io_portal) {
311 DPAA_BUS_LOG(DEBUG, "Portal already cleaned");
315 bman_thread_finish();
316 qman_thread_finish();
318 pthread_setspecific(dpaa_portal_key, NULL);
320 rte_free(dpaa_io_portal);
321 dpaa_io_portal = NULL;
323 RTE_PER_LCORE(_dpaa_io) = false;
326 #define DPAA_DEV_PATH1 "/sys/devices/platform/soc/soc:fsl,dpaa"
327 #define DPAA_DEV_PATH2 "/sys/devices/platform/fsl,dpaa"
330 rte_dpaa_bus_scan(void)
334 BUS_INIT_FUNC_TRACE();
336 if ((access(DPAA_DEV_PATH1, F_OK) != 0) &&
337 (access(DPAA_DEV_PATH2, F_OK) != 0)) {
338 RTE_LOG(DEBUG, EAL, "DPAA Bus not present. Skipping.\n");
342 /* Load the device-tree driver */
345 DPAA_BUS_LOG(ERR, "of_init failed with ret: %d", ret);
349 /* Get the interface configurations from device-tree */
350 dpaa_netcfg = netcfg_acquire();
352 DPAA_BUS_LOG(ERR, "netcfg_acquire failed");
356 RTE_LOG(NOTICE, EAL, "DPAA Bus Detected\n");
358 if (!dpaa_netcfg->num_ethports) {
359 DPAA_BUS_LOG(INFO, "no network interfaces available");
360 /* This is not an error */
364 DPAA_BUS_LOG(DEBUG, "Bus: Address of netcfg=%p, Ethports=%d",
365 dpaa_netcfg, dpaa_netcfg->num_ethports);
367 #ifdef RTE_LIBRTE_DPAA_DEBUG_DRIVER
368 dump_netcfg(dpaa_netcfg);
371 DPAA_BUS_LOG(DEBUG, "Number of devices = %d\n",
372 dpaa_netcfg->num_ethports);
373 ret = dpaa_create_device_list();
375 DPAA_BUS_LOG(ERR, "Unable to create device list. (%d)", ret);
379 /* create the key, supplying a function that'll be invoked
380 * when a portal affined thread will be deleted.
382 ret = pthread_key_create(&dpaa_portal_key, dpaa_portal_finish);
384 DPAA_BUS_LOG(DEBUG, "Unable to create pthread key. (%d)", ret);
385 dpaa_clean_device_list();
389 DPAA_BUS_LOG(DEBUG, "dpaa_portal_key=%u, ret=%d\n",
390 (unsigned int)dpaa_portal_key, ret);
395 /* register a dpaa bus based dpaa driver */
397 rte_dpaa_driver_register(struct rte_dpaa_driver *driver)
401 BUS_INIT_FUNC_TRACE();
403 TAILQ_INSERT_TAIL(&rte_dpaa_bus.driver_list, driver, next);
404 /* Update Bus references */
405 driver->dpaa_bus = &rte_dpaa_bus;
408 /* un-register a dpaa bus based dpaa driver */
410 rte_dpaa_driver_unregister(struct rte_dpaa_driver *driver)
412 struct rte_dpaa_bus *dpaa_bus;
414 BUS_INIT_FUNC_TRACE();
416 dpaa_bus = driver->dpaa_bus;
418 TAILQ_REMOVE(&dpaa_bus->driver_list, driver, next);
419 /* Update Bus references */
420 driver->dpaa_bus = NULL;
424 rte_dpaa_device_match(struct rte_dpaa_driver *drv,
425 struct rte_dpaa_device *dev)
429 BUS_INIT_FUNC_TRACE();
432 DPAA_BUS_DEBUG("Invalid drv or dev received.");
436 if (drv->drv_type == dev->device_type) {
437 DPAA_BUS_INFO("Device: %s matches for driver: %s",
438 dev->name, drv->driver.name);
439 ret = 0; /* Found a match */
446 rte_dpaa_bus_probe(void)
449 struct rte_dpaa_device *dev;
450 struct rte_dpaa_driver *drv;
451 FILE *svr_file = NULL;
452 unsigned int svr_ver;
454 BUS_INIT_FUNC_TRACE();
456 /* For each registered driver, and device, call the driver->probe */
457 TAILQ_FOREACH(dev, &rte_dpaa_bus.device_list, next) {
458 TAILQ_FOREACH(drv, &rte_dpaa_bus.driver_list, next) {
459 ret = rte_dpaa_device_match(drv, dev);
466 ret = drv->probe(drv, dev);
468 DPAA_BUS_ERR("Unable to probe.\n");
473 svr_file = fopen(DPAA_SOC_ID_FILE, "r");
475 if (fscanf(svr_file, "svr:%x", &svr_ver) > 0)
476 dpaa_svr_family = svr_ver & SVR_MASK;
483 static struct rte_device *
484 rte_dpaa_find_device(const struct rte_device *start, rte_dev_cmp_t cmp,
487 struct rte_dpaa_device *dev;
489 TAILQ_FOREACH(dev, &rte_dpaa_bus.device_list, next) {
490 if (start && &dev->device == start) {
491 start = NULL; /* starting point found */
495 if (cmp(&dev->device, data) == 0)
503 * Get iommu class of DPAA2 devices on the bus.
505 static enum rte_iova_mode
506 rte_dpaa_get_iommu_class(void)
511 struct rte_dpaa_bus rte_dpaa_bus = {
513 .scan = rte_dpaa_bus_scan,
514 .probe = rte_dpaa_bus_probe,
515 .find_device = rte_dpaa_find_device,
516 .get_iommu_class = rte_dpaa_get_iommu_class,
518 .device_list = TAILQ_HEAD_INITIALIZER(rte_dpaa_bus.device_list),
519 .driver_list = TAILQ_HEAD_INITIALIZER(rte_dpaa_bus.driver_list),
523 RTE_REGISTER_BUS(FSL_DPAA_BUS_NAME, rte_dpaa_bus.bus);
525 RTE_INIT(dpaa_init_log);
529 dpaa_logtype_bus = rte_log_register("bus.dpaa");
530 if (dpaa_logtype_bus >= 0)
531 rte_log_set_level(dpaa_logtype_bus, RTE_LOG_NOTICE);
533 dpaa_logtype_mempool = rte_log_register("mempool.dpaa");
534 if (dpaa_logtype_mempool >= 0)
535 rte_log_set_level(dpaa_logtype_mempool, RTE_LOG_NOTICE);
537 dpaa_logtype_pmd = rte_log_register("pmd.dpaa");
538 if (dpaa_logtype_pmd >= 0)
539 rte_log_set_level(dpaa_logtype_pmd, RTE_LOG_NOTICE);
541 dpaa_logtype_eventdev = rte_log_register("eventdev.dpaa");
542 if (dpaa_logtype_eventdev >= 0)
543 rte_log_set_level(dpaa_logtype_eventdev, RTE_LOG_NOTICE);