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40 #include <sys/types.h>
41 #include <sys/syscall.h>
43 #include <rte_byteorder.h>
44 #include <rte_common.h>
45 #include <rte_interrupts.h>
47 #include <rte_debug.h>
49 #include <rte_atomic.h>
50 #include <rte_branch_prediction.h>
51 #include <rte_memory.h>
52 #include <rte_tailq.h>
54 #include <rte_alarm.h>
55 #include <rte_ether.h>
56 #include <rte_ethdev.h>
57 #include <rte_malloc.h>
61 #include <rte_dpaa_bus.h>
62 #include <rte_dpaa_logs.h>
71 int dpaa_logtype_mempool;
74 struct rte_dpaa_bus rte_dpaa_bus;
75 struct netcfg_info *dpaa_netcfg;
77 /* define a variable to hold the portal_key, once created.*/
78 pthread_key_t dpaa_portal_key;
80 RTE_DEFINE_PER_LCORE(bool, _dpaa_io);
83 dpaa_add_to_device_list(struct rte_dpaa_device *dev)
85 TAILQ_INSERT_TAIL(&rte_dpaa_bus.device_list, dev, next);
89 dpaa_remove_from_device_list(struct rte_dpaa_device *dev)
91 TAILQ_INSERT_TAIL(&rte_dpaa_bus.device_list, dev, next);
95 * Reads the SEC device from DTS
96 * Returns -1 if SEC devices not available, 0 otherwise
99 dpaa_sec_available(void)
101 const struct device_node *caam_node;
103 for_each_compatible_node(caam_node, NULL, "fsl,sec-v4.0") {
110 static void dpaa_clean_device_list(void);
113 dpaa_create_device_list(void)
117 struct rte_dpaa_device *dev;
118 struct fm_eth_port_cfg *cfg;
119 struct fman_if *fman_intf;
121 /* Creating Ethernet Devices */
122 for (i = 0; i < dpaa_netcfg->num_ethports; i++) {
123 dev = calloc(1, sizeof(struct rte_dpaa_device));
125 DPAA_BUS_LOG(ERR, "Failed to allocate ETH devices");
130 cfg = &dpaa_netcfg->port_cfg[i];
131 fman_intf = cfg->fman_if;
133 /* Device identifiers */
134 dev->id.fman_id = fman_intf->fman_idx + 1;
135 dev->id.mac_id = fman_intf->mac_idx;
136 dev->device_type = FSL_DPAA_ETH;
139 /* Create device name */
140 memset(dev->name, 0, RTE_ETH_NAME_MAX_LEN);
141 sprintf(dev->name, "fm%d-mac%d", (fman_intf->fman_idx + 1),
143 DPAA_BUS_LOG(DEBUG, "Device added: %s", dev->name);
144 dev->device.name = dev->name;
146 dpaa_add_to_device_list(dev);
149 rte_dpaa_bus.device_count = i;
151 /* Unlike case of ETH, RTE_LIBRTE_DPAA_MAX_CRYPTODEV SEC devices are
152 * constantly created only if "sec" property is found in the device
153 * tree. Logically there is no limit for number of devices (QI
154 * interfaces) that can be created.
157 if (dpaa_sec_available()) {
158 DPAA_BUS_LOG(INFO, "DPAA SEC devices are not available");
162 /* Creating SEC Devices */
163 for (i = 0; i < RTE_LIBRTE_DPAA_MAX_CRYPTODEV; i++) {
164 dev = calloc(1, sizeof(struct rte_dpaa_device));
166 DPAA_BUS_LOG(ERR, "Failed to allocate SEC devices");
171 dev->device_type = FSL_DPAA_CRYPTO;
172 dev->id.dev_id = rte_dpaa_bus.device_count + i;
174 /* Even though RTE_CRYPTODEV_NAME_MAX_LEN is valid length of
175 * crypto PMD, using RTE_ETH_NAME_MAX_LEN as that is the size
176 * allocated for dev->name/
178 memset(dev->name, 0, RTE_ETH_NAME_MAX_LEN);
179 sprintf(dev->name, "dpaa-sec%d", i);
180 DPAA_BUS_LOG(DEBUG, "Device added: %s", dev->name);
182 dpaa_add_to_device_list(dev);
185 rte_dpaa_bus.device_count += i;
190 dpaa_clean_device_list();
195 dpaa_clean_device_list(void)
197 struct rte_dpaa_device *dev = NULL;
198 struct rte_dpaa_device *tdev = NULL;
200 TAILQ_FOREACH_SAFE(dev, &rte_dpaa_bus.device_list, next, tdev) {
201 TAILQ_REMOVE(&rte_dpaa_bus.device_list, dev, next);
207 /** XXX move this function into a separate file */
209 _dpaa_portal_init(void *arg)
213 uint32_t cpu = rte_lcore_id();
215 struct dpaa_portal *dpaa_io_portal;
217 BUS_INIT_FUNC_TRACE();
219 if ((uint64_t)arg == 1 || cpu == LCORE_ID_ANY)
220 cpu = rte_get_master_lcore();
221 /* if the core id is not supported */
223 if (cpu >= RTE_MAX_LCORE)
226 /* Set CPU affinity for this thread */
228 CPU_SET(cpu, &cpuset);
230 ret = pthread_setaffinity_np(id, sizeof(cpu_set_t), &cpuset);
232 DPAA_BUS_LOG(ERR, "pthread_setaffinity_np failed on "
233 "core :%d with ret: %d", cpu, ret);
237 /* Initialise bman thread portals */
238 ret = bman_thread_init();
240 DPAA_BUS_LOG(ERR, "bman_thread_init failed on "
241 "core %d with ret: %d", cpu, ret);
245 DPAA_BUS_LOG(DEBUG, "BMAN thread initialized");
247 /* Initialise qman thread portals */
248 ret = qman_thread_init();
250 DPAA_BUS_LOG(ERR, "bman_thread_init failed on "
251 "core %d with ret: %d", cpu, ret);
252 bman_thread_finish();
256 DPAA_BUS_LOG(DEBUG, "QMAN thread initialized");
258 dpaa_io_portal = rte_malloc(NULL, sizeof(struct dpaa_portal),
259 RTE_CACHE_LINE_SIZE);
260 if (!dpaa_io_portal) {
261 DPAA_BUS_LOG(ERR, "Unable to allocate memory");
262 bman_thread_finish();
263 qman_thread_finish();
267 dpaa_io_portal->qman_idx = qman_get_portal_index();
268 dpaa_io_portal->bman_idx = bman_get_portal_index();
269 dpaa_io_portal->tid = syscall(SYS_gettid);
271 ret = pthread_setspecific(dpaa_portal_key, (void *)dpaa_io_portal);
273 DPAA_BUS_LOG(ERR, "pthread_setspecific failed on "
274 "core %d with ret: %d", cpu, ret);
275 dpaa_portal_finish(NULL);
280 RTE_PER_LCORE(_dpaa_io) = true;
282 DPAA_BUS_LOG(DEBUG, "QMAN thread initialized");
288 * rte_dpaa_portal_init - Wrapper over _dpaa_portal_init with thread level check
292 rte_dpaa_portal_init(void *arg)
294 if (unlikely(!RTE_PER_LCORE(_dpaa_io)))
295 return _dpaa_portal_init(arg);
301 dpaa_portal_finish(void *arg)
303 struct dpaa_portal *dpaa_io_portal = (struct dpaa_portal *)arg;
305 if (!dpaa_io_portal) {
306 DPAA_BUS_LOG(DEBUG, "Portal already cleaned");
310 bman_thread_finish();
311 qman_thread_finish();
313 pthread_setspecific(dpaa_portal_key, NULL);
315 rte_free(dpaa_io_portal);
316 dpaa_io_portal = NULL;
318 RTE_PER_LCORE(_dpaa_io) = false;
321 #define DPAA_DEV_PATH1 "/sys/devices/platform/soc/soc:fsl,dpaa"
322 #define DPAA_DEV_PATH2 "/sys/devices/platform/fsl,dpaa"
325 rte_dpaa_bus_scan(void)
329 BUS_INIT_FUNC_TRACE();
331 if ((access(DPAA_DEV_PATH1, F_OK) != 0) &&
332 (access(DPAA_DEV_PATH2, F_OK) != 0)) {
333 RTE_LOG(DEBUG, EAL, "DPAA Bus not present. Skipping.\n");
337 /* Load the device-tree driver */
340 DPAA_BUS_LOG(ERR, "of_init failed with ret: %d", ret);
344 /* Get the interface configurations from device-tree */
345 dpaa_netcfg = netcfg_acquire();
347 DPAA_BUS_LOG(ERR, "netcfg_acquire failed");
351 RTE_LOG(NOTICE, EAL, "DPAA Bus Detected\n");
353 if (!dpaa_netcfg->num_ethports) {
354 DPAA_BUS_LOG(INFO, "no network interfaces available");
355 /* This is not an error */
359 DPAA_BUS_LOG(DEBUG, "Bus: Address of netcfg=%p, Ethports=%d",
360 dpaa_netcfg, dpaa_netcfg->num_ethports);
362 #ifdef RTE_LIBRTE_DPAA_DEBUG_DRIVER
363 dump_netcfg(dpaa_netcfg);
366 DPAA_BUS_LOG(DEBUG, "Number of devices = %d\n",
367 dpaa_netcfg->num_ethports);
368 ret = dpaa_create_device_list();
370 DPAA_BUS_LOG(ERR, "Unable to create device list. (%d)", ret);
374 /* create the key, supplying a function that'll be invoked
375 * when a portal affined thread will be deleted.
377 ret = pthread_key_create(&dpaa_portal_key, dpaa_portal_finish);
379 DPAA_BUS_LOG(DEBUG, "Unable to create pthread key. (%d)", ret);
380 dpaa_clean_device_list();
384 DPAA_BUS_LOG(DEBUG, "dpaa_portal_key=%u, ret=%d\n",
385 (unsigned int)dpaa_portal_key, ret);
390 /* register a dpaa bus based dpaa driver */
392 rte_dpaa_driver_register(struct rte_dpaa_driver *driver)
396 BUS_INIT_FUNC_TRACE();
398 TAILQ_INSERT_TAIL(&rte_dpaa_bus.driver_list, driver, next);
399 /* Update Bus references */
400 driver->dpaa_bus = &rte_dpaa_bus;
403 /* un-register a dpaa bus based dpaa driver */
405 rte_dpaa_driver_unregister(struct rte_dpaa_driver *driver)
407 struct rte_dpaa_bus *dpaa_bus;
409 BUS_INIT_FUNC_TRACE();
411 dpaa_bus = driver->dpaa_bus;
413 TAILQ_REMOVE(&dpaa_bus->driver_list, driver, next);
414 /* Update Bus references */
415 driver->dpaa_bus = NULL;
419 rte_dpaa_device_match(struct rte_dpaa_driver *drv,
420 struct rte_dpaa_device *dev)
424 BUS_INIT_FUNC_TRACE();
427 DPAA_BUS_DEBUG("Invalid drv or dev received.");
431 if (drv->drv_type == dev->device_type) {
432 DPAA_BUS_INFO("Device: %s matches for driver: %s",
433 dev->name, drv->driver.name);
434 ret = 0; /* Found a match */
441 rte_dpaa_bus_probe(void)
444 struct rte_dpaa_device *dev;
445 struct rte_dpaa_driver *drv;
447 BUS_INIT_FUNC_TRACE();
449 /* For each registered driver, and device, call the driver->probe */
450 TAILQ_FOREACH(dev, &rte_dpaa_bus.device_list, next) {
451 TAILQ_FOREACH(drv, &rte_dpaa_bus.driver_list, next) {
452 ret = rte_dpaa_device_match(drv, dev);
459 ret = drv->probe(drv, dev);
461 DPAA_BUS_ERR("Unable to probe.\n");
468 static struct rte_device *
469 rte_dpaa_find_device(const struct rte_device *start, rte_dev_cmp_t cmp,
472 struct rte_dpaa_device *dev;
474 TAILQ_FOREACH(dev, &rte_dpaa_bus.device_list, next) {
475 if (start && &dev->device == start) {
476 start = NULL; /* starting point found */
480 if (cmp(&dev->device, data) == 0)
488 * Get iommu class of DPAA2 devices on the bus.
490 static enum rte_iova_mode
491 rte_dpaa_get_iommu_class(void)
496 struct rte_dpaa_bus rte_dpaa_bus = {
498 .scan = rte_dpaa_bus_scan,
499 .probe = rte_dpaa_bus_probe,
500 .find_device = rte_dpaa_find_device,
501 .get_iommu_class = rte_dpaa_get_iommu_class,
503 .device_list = TAILQ_HEAD_INITIALIZER(rte_dpaa_bus.device_list),
504 .driver_list = TAILQ_HEAD_INITIALIZER(rte_dpaa_bus.driver_list),
508 RTE_REGISTER_BUS(FSL_DPAA_BUS_NAME, rte_dpaa_bus.bus);
510 RTE_INIT(dpaa_init_log);
514 dpaa_logtype_bus = rte_log_register("bus.dpaa");
515 if (dpaa_logtype_bus >= 0)
516 rte_log_set_level(dpaa_logtype_bus, RTE_LOG_NOTICE);
518 dpaa_logtype_mempool = rte_log_register("mempool.dpaa");
519 if (dpaa_logtype_mempool >= 0)
520 rte_log_set_level(dpaa_logtype_mempool, RTE_LOG_NOTICE);
522 dpaa_logtype_pmd = rte_log_register("pmd.dpaa");
523 if (dpaa_logtype_pmd >= 0)
524 rte_log_set_level(dpaa_logtype_pmd, RTE_LOG_NOTICE);