--- /dev/null
+/*-
+ * BSD LICENSE
+ *
+ * Copyright 2017 NXP.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ * * Neither the name of NXP nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+/* System headers */
+#include <stdio.h>
+#include <inttypes.h>
+#include <unistd.h>
+#include <limits.h>
+#include <sched.h>
+#include <signal.h>
+#include <pthread.h>
+#include <sys/types.h>
+#include <sys/syscall.h>
+
+#include <rte_byteorder.h>
+#include <rte_common.h>
+#include <rte_interrupts.h>
+#include <rte_log.h>
+#include <rte_debug.h>
+#include <rte_pci.h>
+#include <rte_atomic.h>
+#include <rte_branch_prediction.h>
+#include <rte_memory.h>
+#include <rte_tailq.h>
+#include <rte_eal.h>
+#include <rte_alarm.h>
+#include <rte_ether.h>
+#include <rte_ethdev.h>
+#include <rte_malloc.h>
+#include <rte_ring.h>
+#include <rte_bus.h>
+
+#include <rte_dpaa_bus.h>
+#include <rte_dpaa_logs.h>
+
+#include <fsl_usd.h>
+#include <fsl_qman.h>
+#include <fsl_bman.h>
+#include <of.h>
+#include <netcfg.h>
+
+int dpaa_logtype_bus;
+int dpaa_logtype_mempool;
+int dpaa_logtype_pmd;
+
+struct rte_dpaa_bus rte_dpaa_bus;
+struct netcfg_info *dpaa_netcfg;
+
+/* define a variable to hold the portal_key, once created.*/
+pthread_key_t dpaa_portal_key;
+
+RTE_DEFINE_PER_LCORE(bool, _dpaa_io);
+
+static inline void
+dpaa_add_to_device_list(struct rte_dpaa_device *dev)
+{
+ TAILQ_INSERT_TAIL(&rte_dpaa_bus.device_list, dev, next);
+}
+
+static inline void
+dpaa_remove_from_device_list(struct rte_dpaa_device *dev)
+{
+ TAILQ_INSERT_TAIL(&rte_dpaa_bus.device_list, dev, next);
+}
+
+/*
+ * Reads the SEC device from DTS
+ * Returns -1 if SEC devices not available, 0 otherwise
+ */
+static inline int
+dpaa_sec_available(void)
+{
+ const struct device_node *caam_node;
+
+ for_each_compatible_node(caam_node, NULL, "fsl,sec-v4.0") {
+ return 0;
+ }
+
+ return -1;
+}
+
+static void dpaa_clean_device_list(void);
+
+static int
+dpaa_create_device_list(void)
+{
+ int i;
+ int ret;
+ struct rte_dpaa_device *dev;
+ struct fm_eth_port_cfg *cfg;
+ struct fman_if *fman_intf;
+
+ /* Creating Ethernet Devices */
+ for (i = 0; i < dpaa_netcfg->num_ethports; i++) {
+ dev = calloc(1, sizeof(struct rte_dpaa_device));
+ if (!dev) {
+ DPAA_BUS_LOG(ERR, "Failed to allocate ETH devices");
+ ret = -ENOMEM;
+ goto cleanup;
+ }
+
+ cfg = &dpaa_netcfg->port_cfg[i];
+ fman_intf = cfg->fman_if;
+
+ /* Device identifiers */
+ dev->id.fman_id = fman_intf->fman_idx + 1;
+ dev->id.mac_id = fman_intf->mac_idx;
+ dev->device_type = FSL_DPAA_ETH;
+ dev->id.dev_id = i;
+
+ /* Create device name */
+ memset(dev->name, 0, RTE_ETH_NAME_MAX_LEN);
+ sprintf(dev->name, "fm%d-mac%d", (fman_intf->fman_idx + 1),
+ fman_intf->mac_idx);
+ DPAA_BUS_LOG(DEBUG, "Device added: %s", dev->name);
+ dev->device.name = dev->name;
+
+ dpaa_add_to_device_list(dev);
+ }
+
+ rte_dpaa_bus.device_count = i;
+
+ /* Unlike case of ETH, RTE_LIBRTE_DPAA_MAX_CRYPTODEV SEC devices are
+ * constantly created only if "sec" property is found in the device
+ * tree. Logically there is no limit for number of devices (QI
+ * interfaces) that can be created.
+ */
+
+ if (dpaa_sec_available()) {
+ DPAA_BUS_LOG(INFO, "DPAA SEC devices are not available");
+ return 0;
+ }
+
+ /* Creating SEC Devices */
+ for (i = 0; i < RTE_LIBRTE_DPAA_MAX_CRYPTODEV; i++) {
+ dev = calloc(1, sizeof(struct rte_dpaa_device));
+ if (!dev) {
+ DPAA_BUS_LOG(ERR, "Failed to allocate SEC devices");
+ ret = -1;
+ goto cleanup;
+ }
+
+ dev->device_type = FSL_DPAA_CRYPTO;
+ dev->id.dev_id = rte_dpaa_bus.device_count + i;
+
+ /* Even though RTE_CRYPTODEV_NAME_MAX_LEN is valid length of
+ * crypto PMD, using RTE_ETH_NAME_MAX_LEN as that is the size
+ * allocated for dev->name/
+ */
+ memset(dev->name, 0, RTE_ETH_NAME_MAX_LEN);
+ sprintf(dev->name, "dpaa-sec%d", i);
+ DPAA_BUS_LOG(DEBUG, "Device added: %s", dev->name);
+
+ dpaa_add_to_device_list(dev);
+ }
+
+ rte_dpaa_bus.device_count += i;
+
+ return 0;
+
+cleanup:
+ dpaa_clean_device_list();
+ return ret;
+}
+
+static void
+dpaa_clean_device_list(void)
+{
+ struct rte_dpaa_device *dev = NULL;
+ struct rte_dpaa_device *tdev = NULL;
+
+ TAILQ_FOREACH_SAFE(dev, &rte_dpaa_bus.device_list, next, tdev) {
+ TAILQ_REMOVE(&rte_dpaa_bus.device_list, dev, next);
+ free(dev);
+ dev = NULL;
+ }
+}
+
+/** XXX move this function into a separate file */
+static int
+_dpaa_portal_init(void *arg)
+{
+ cpu_set_t cpuset;
+ pthread_t id;
+ uint32_t cpu = rte_lcore_id();
+ int ret;
+ struct dpaa_portal *dpaa_io_portal;
+
+ BUS_INIT_FUNC_TRACE();
+
+ if ((uint64_t)arg == 1 || cpu == LCORE_ID_ANY)
+ cpu = rte_get_master_lcore();
+ /* if the core id is not supported */
+ else
+ if (cpu >= RTE_MAX_LCORE)
+ return -1;
+
+ /* Set CPU affinity for this thread */
+ CPU_ZERO(&cpuset);
+ CPU_SET(cpu, &cpuset);
+ id = pthread_self();
+ ret = pthread_setaffinity_np(id, sizeof(cpu_set_t), &cpuset);
+ if (ret) {
+ DPAA_BUS_LOG(ERR, "pthread_setaffinity_np failed on "
+ "core :%d with ret: %d", cpu, ret);
+ return ret;
+ }
+
+ /* Initialise bman thread portals */
+ ret = bman_thread_init();
+ if (ret) {
+ DPAA_BUS_LOG(ERR, "bman_thread_init failed on "
+ "core %d with ret: %d", cpu, ret);
+ return ret;
+ }
+
+ DPAA_BUS_LOG(DEBUG, "BMAN thread initialized");
+
+ /* Initialise qman thread portals */
+ ret = qman_thread_init();
+ if (ret) {
+ DPAA_BUS_LOG(ERR, "bman_thread_init failed on "
+ "core %d with ret: %d", cpu, ret);
+ bman_thread_finish();
+ return ret;
+ }
+
+ DPAA_BUS_LOG(DEBUG, "QMAN thread initialized");
+
+ dpaa_io_portal = rte_malloc(NULL, sizeof(struct dpaa_portal),
+ RTE_CACHE_LINE_SIZE);
+ if (!dpaa_io_portal) {
+ DPAA_BUS_LOG(ERR, "Unable to allocate memory");
+ bman_thread_finish();
+ qman_thread_finish();
+ return -ENOMEM;
+ }
+
+ dpaa_io_portal->qman_idx = qman_get_portal_index();
+ dpaa_io_portal->bman_idx = bman_get_portal_index();
+ dpaa_io_portal->tid = syscall(SYS_gettid);
+
+ ret = pthread_setspecific(dpaa_portal_key, (void *)dpaa_io_portal);
+ if (ret) {
+ DPAA_BUS_LOG(ERR, "pthread_setspecific failed on "
+ "core %d with ret: %d", cpu, ret);
+ dpaa_portal_finish(NULL);
+
+ return ret;
+ }
+
+ RTE_PER_LCORE(_dpaa_io) = true;
+
+ DPAA_BUS_LOG(DEBUG, "QMAN thread initialized");
+
+ return 0;
+}
+
+/*
+ * rte_dpaa_portal_init - Wrapper over _dpaa_portal_init with thread level check
+ * XXX Complete this
+ */
+int
+rte_dpaa_portal_init(void *arg)
+{
+ if (unlikely(!RTE_PER_LCORE(_dpaa_io)))
+ return _dpaa_portal_init(arg);
+
+ return 0;
+}
+
+void
+dpaa_portal_finish(void *arg)
+{
+ struct dpaa_portal *dpaa_io_portal = (struct dpaa_portal *)arg;
+
+ if (!dpaa_io_portal) {
+ DPAA_BUS_LOG(DEBUG, "Portal already cleaned");
+ return;
+ }
+
+ bman_thread_finish();
+ qman_thread_finish();
+
+ pthread_setspecific(dpaa_portal_key, NULL);
+
+ rte_free(dpaa_io_portal);
+ dpaa_io_portal = NULL;
+
+ RTE_PER_LCORE(_dpaa_io) = false;
+}
+
+#define DPAA_DEV_PATH1 "/sys/devices/platform/soc/soc:fsl,dpaa"
+#define DPAA_DEV_PATH2 "/sys/devices/platform/fsl,dpaa"
+
+static int
+rte_dpaa_bus_scan(void)
+{
+ int ret;
+
+ BUS_INIT_FUNC_TRACE();
+
+ if ((access(DPAA_DEV_PATH1, F_OK) != 0) &&
+ (access(DPAA_DEV_PATH2, F_OK) != 0)) {
+ RTE_LOG(DEBUG, EAL, "DPAA Bus not present. Skipping.\n");
+ return 0;
+ }
+
+ /* Load the device-tree driver */
+ ret = of_init();
+ if (ret) {
+ DPAA_BUS_LOG(ERR, "of_init failed with ret: %d", ret);
+ return -1;
+ }
+
+ /* Get the interface configurations from device-tree */
+ dpaa_netcfg = netcfg_acquire();
+ if (!dpaa_netcfg) {
+ DPAA_BUS_LOG(ERR, "netcfg_acquire failed");
+ return -EINVAL;
+ }
+
+ RTE_LOG(NOTICE, EAL, "DPAA Bus Detected\n");
+
+ if (!dpaa_netcfg->num_ethports) {
+ DPAA_BUS_LOG(INFO, "no network interfaces available");
+ /* This is not an error */
+ return 0;
+ }
+
+ DPAA_BUS_LOG(DEBUG, "Bus: Address of netcfg=%p, Ethports=%d",
+ dpaa_netcfg, dpaa_netcfg->num_ethports);
+
+#ifdef RTE_LIBRTE_DPAA_DEBUG_DRIVER
+ dump_netcfg(dpaa_netcfg);
+#endif
+
+ DPAA_BUS_LOG(DEBUG, "Number of devices = %d\n",
+ dpaa_netcfg->num_ethports);
+ ret = dpaa_create_device_list();
+ if (ret) {
+ DPAA_BUS_LOG(ERR, "Unable to create device list. (%d)", ret);
+ return ret;
+ }
+
+ /* create the key, supplying a function that'll be invoked
+ * when a portal affined thread will be deleted.
+ */
+ ret = pthread_key_create(&dpaa_portal_key, dpaa_portal_finish);
+ if (ret) {
+ DPAA_BUS_LOG(DEBUG, "Unable to create pthread key. (%d)", ret);
+ dpaa_clean_device_list();
+ return ret;
+ }
+
+ DPAA_BUS_LOG(DEBUG, "dpaa_portal_key=%u, ret=%d\n",
+ (unsigned int)dpaa_portal_key, ret);
+
+ return 0;
+}
+
+/* register a dpaa bus based dpaa driver */
+void
+rte_dpaa_driver_register(struct rte_dpaa_driver *driver)
+{
+ RTE_VERIFY(driver);
+
+ BUS_INIT_FUNC_TRACE();
+
+ TAILQ_INSERT_TAIL(&rte_dpaa_bus.driver_list, driver, next);
+ /* Update Bus references */
+ driver->dpaa_bus = &rte_dpaa_bus;
+}
+
+/* un-register a dpaa bus based dpaa driver */
+void
+rte_dpaa_driver_unregister(struct rte_dpaa_driver *driver)
+{
+ struct rte_dpaa_bus *dpaa_bus;
+
+ BUS_INIT_FUNC_TRACE();
+
+ dpaa_bus = driver->dpaa_bus;
+
+ TAILQ_REMOVE(&dpaa_bus->driver_list, driver, next);
+ /* Update Bus references */
+ driver->dpaa_bus = NULL;
+}
+
+static int
+rte_dpaa_device_match(struct rte_dpaa_driver *drv,
+ struct rte_dpaa_device *dev)
+{
+ int ret = -1;
+
+ BUS_INIT_FUNC_TRACE();
+
+ if (!drv || !dev) {
+ DPAA_BUS_DEBUG("Invalid drv or dev received.");
+ return ret;
+ }
+
+ if (drv->drv_type == dev->device_type) {
+ DPAA_BUS_INFO("Device: %s matches for driver: %s",
+ dev->name, drv->driver.name);
+ ret = 0; /* Found a match */
+ }
+
+ return ret;
+}
+
+static int
+rte_dpaa_bus_probe(void)
+{
+ int ret = -1;
+ struct rte_dpaa_device *dev;
+ struct rte_dpaa_driver *drv;
+
+ BUS_INIT_FUNC_TRACE();
+
+ /* For each registered driver, and device, call the driver->probe */
+ TAILQ_FOREACH(dev, &rte_dpaa_bus.device_list, next) {
+ TAILQ_FOREACH(drv, &rte_dpaa_bus.driver_list, next) {
+ ret = rte_dpaa_device_match(drv, dev);
+ if (ret)
+ continue;
+
+ if (!drv->probe)
+ continue;
+
+ ret = drv->probe(drv, dev);
+ if (ret)
+ DPAA_BUS_ERR("Unable to probe.\n");
+ break;
+ }
+ }
+ return 0;
+}
+
+static struct rte_device *
+rte_dpaa_find_device(const struct rte_device *start, rte_dev_cmp_t cmp,
+ const void *data)
+{
+ struct rte_dpaa_device *dev;
+
+ TAILQ_FOREACH(dev, &rte_dpaa_bus.device_list, next) {
+ if (start && &dev->device == start) {
+ start = NULL; /* starting point found */
+ continue;
+ }
+
+ if (cmp(&dev->device, data) == 0)
+ return &dev->device;
+ }
+
+ return NULL;
+}
+
+/*
+ * Get iommu class of DPAA2 devices on the bus.
+ */
+static enum rte_iova_mode
+rte_dpaa_get_iommu_class(void)
+{
+ return RTE_IOVA_PA;
+}
+
+struct rte_dpaa_bus rte_dpaa_bus = {
+ .bus = {
+ .scan = rte_dpaa_bus_scan,
+ .probe = rte_dpaa_bus_probe,
+ .find_device = rte_dpaa_find_device,
+ .get_iommu_class = rte_dpaa_get_iommu_class,
+ },
+ .device_list = TAILQ_HEAD_INITIALIZER(rte_dpaa_bus.device_list),
+ .driver_list = TAILQ_HEAD_INITIALIZER(rte_dpaa_bus.driver_list),
+ .device_count = 0,
+};
+
+RTE_REGISTER_BUS(FSL_DPAA_BUS_NAME, rte_dpaa_bus.bus);
+
+RTE_INIT(dpaa_init_log);
+static void
+dpaa_init_log(void)
+{
+ dpaa_logtype_bus = rte_log_register("bus.dpaa");
+ if (dpaa_logtype_bus >= 0)
+ rte_log_set_level(dpaa_logtype_bus, RTE_LOG_NOTICE);
+
+ dpaa_logtype_mempool = rte_log_register("mempool.dpaa");
+ if (dpaa_logtype_mempool >= 0)
+ rte_log_set_level(dpaa_logtype_mempool, RTE_LOG_NOTICE);
+
+ dpaa_logtype_pmd = rte_log_register("pmd.dpaa");
+ if (dpaa_logtype_pmd >= 0)
+ rte_log_set_level(dpaa_logtype_pmd, RTE_LOG_NOTICE);
+}
Code Review / deb_dpdk.git / blobdiff