-/*-
- * BSD LICENSE
+/* SPDX-License-Identifier: BSD-3-Clause
*
- * Copyright 2017 NXP.
+ * Copyright 2017-2020 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 <signal.h>
#include <pthread.h>
#include <sys/types.h>
-#include <sys/syscall.h>
+#include <sys/eventfd.h>
-#include <rte_config.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_memzone.h>
#include <rte_tailq.h>
#include <rte_eal.h>
#include <rte_alarm.h>
#include <rte_ether.h>
-#include <rte_ethdev.h>
+#include <ethdev_driver.h>
#include <rte_malloc.h>
#include <rte_ring.h>
#include <rte_bus.h>
+#include <rte_mbuf_pool_ops.h>
+#include <rte_mbuf_dyn.h>
+#include <dpaa_of.h>
#include <rte_dpaa_bus.h>
#include <rte_dpaa_logs.h>
+#include <dpaax_iova_table.h>
-int dpaa_logtype_bus;
+#include <fsl_usd.h>
+#include <fsl_qman.h>
+#include <fsl_bman.h>
+#include <netcfg.h>
-struct rte_dpaa_bus rte_dpaa_bus;
+static struct rte_dpaa_bus rte_dpaa_bus;
+struct netcfg_info *dpaa_netcfg;
-static inline void
-dpaa_add_to_device_list(struct rte_dpaa_device *dev)
+/* define a variable to hold the portal_key, once created.*/
+static pthread_key_t dpaa_portal_key;
+
+unsigned int dpaa_svr_family;
+
+#define FSL_DPAA_BUS_NAME dpaa_bus
+
+RTE_DEFINE_PER_LCORE(struct dpaa_portal *, dpaa_io);
+
+#define DPAA_SEQN_DYNFIELD_NAME "dpaa_seqn_dynfield"
+int dpaa_seqn_dynfield_offset = -1;
+
+struct fm_eth_port_cfg *
+dpaa_get_eth_port_cfg(int dev_id)
{
- TAILQ_INSERT_TAIL(&rte_dpaa_bus.device_list, dev, next);
+ return &dpaa_netcfg->port_cfg[dev_id];
+}
+
+static int
+compare_dpaa_devices(struct rte_dpaa_device *dev1,
+ struct rte_dpaa_device *dev2)
+{
+ int comp = 0;
+
+ /* Segragating ETH from SEC devices */
+ if (dev1->device_type > dev2->device_type)
+ comp = 1;
+ else if (dev1->device_type < dev2->device_type)
+ comp = -1;
+ else
+ comp = 0;
+
+ if ((comp != 0) || (dev1->device_type != FSL_DPAA_ETH))
+ return comp;
+
+ if (dev1->id.fman_id > dev2->id.fman_id) {
+ comp = 1;
+ } else if (dev1->id.fman_id < dev2->id.fman_id) {
+ comp = -1;
+ } else {
+ /* FMAN ids match, check for mac_id */
+ if (dev1->id.mac_id > dev2->id.mac_id)
+ comp = 1;
+ else if (dev1->id.mac_id < dev2->id.mac_id)
+ comp = -1;
+ else
+ comp = 0;
+ }
+
+ return comp;
}
static inline void
-dpaa_remove_from_device_list(struct rte_dpaa_device *dev)
+dpaa_add_to_device_list(struct rte_dpaa_device *newdev)
{
- TAILQ_INSERT_TAIL(&rte_dpaa_bus.device_list, dev, next);
+ int comp, inserted = 0;
+ struct rte_dpaa_device *dev = NULL;
+ struct rte_dpaa_device *tdev = NULL;
+
+ TAILQ_FOREACH_SAFE(dev, &rte_dpaa_bus.device_list, next, tdev) {
+ comp = compare_dpaa_devices(newdev, dev);
+ if (comp < 0) {
+ TAILQ_INSERT_BEFORE(dev, newdev, next);
+ inserted = 1;
+ break;
+ }
+ }
+
+ if (!inserted)
+ TAILQ_INSERT_TAIL(&rte_dpaa_bus.device_list, newdev, 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 struct rte_devargs *
+dpaa_devargs_lookup(struct rte_dpaa_device *dev)
+{
+ struct rte_devargs *devargs;
+ char dev_name[32];
+
+ RTE_EAL_DEVARGS_FOREACH("dpaa_bus", devargs) {
+ devargs->bus->parse(devargs->name, &dev_name);
+ if (strcmp(dev_name, dev->device.name) == 0) {
+ DPAA_BUS_INFO("**Devargs matched %s", dev_name);
+ return devargs;
+ }
+ }
+ return NULL;
}
+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;
+ }
+
+ dev->device.bus = &rte_dpaa_bus.bus;
+
+ 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(INFO, "%s netdev added", dev->name);
+ dev->device.name = dev->name;
+ dev->device.devargs = dpaa_devargs_lookup(dev);
+
+ 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+1);
+ DPAA_BUS_LOG(INFO, "%s cryptodev added", dev->name);
+ dev->device.name = dev->name;
+ dev->device.devargs = dpaa_devargs_lookup(dev);
+
+ 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;
+ }
+}
+
+int rte_dpaa_portal_init(void *arg)
+{
+ static const struct rte_mbuf_dynfield dpaa_seqn_dynfield_desc = {
+ .name = DPAA_SEQN_DYNFIELD_NAME,
+ .size = sizeof(dpaa_seqn_t),
+ .align = __alignof__(dpaa_seqn_t),
+ };
+ unsigned int cpu, lcore = rte_lcore_id();
+ int ret;
+
+ BUS_INIT_FUNC_TRACE();
+
+ if ((size_t)arg == 1 || lcore == LCORE_ID_ANY)
+ lcore = rte_get_main_lcore();
+ else
+ if (lcore >= RTE_MAX_LCORE)
+ return -1;
+
+ cpu = rte_lcore_to_cpu_id(lcore);
+
+ dpaa_seqn_dynfield_offset =
+ rte_mbuf_dynfield_register(&dpaa_seqn_dynfield_desc);
+ if (dpaa_seqn_dynfield_offset < 0) {
+ DPAA_BUS_LOG(ERR, "Failed to register mbuf field for dpaa sequence number\n");
+ return -rte_errno;
+ }
+
+ /* Initialise bman thread portals */
+ ret = bman_thread_init();
+ if (ret) {
+ DPAA_BUS_LOG(ERR, "bman_thread_init failed on core %u"
+ " (lcore=%u) with ret: %d", cpu, lcore, ret);
+ return ret;
+ }
+
+ DPAA_BUS_LOG(DEBUG, "BMAN thread initialized - CPU=%d lcore=%d",
+ cpu, lcore);
+
+ /* Initialise qman thread portals */
+ ret = qman_thread_init();
+ if (ret) {
+ DPAA_BUS_LOG(ERR, "qman_thread_init failed on core %u"
+ " (lcore=%u) with ret: %d", cpu, lcore, ret);
+ bman_thread_finish();
+ return ret;
+ }
+
+ DPAA_BUS_LOG(DEBUG, "QMAN thread initialized - CPU=%d lcore=%d",
+ cpu, lcore);
+
+ DPAA_PER_LCORE_PORTAL = rte_malloc(NULL, sizeof(struct dpaa_portal),
+ RTE_CACHE_LINE_SIZE);
+ if (!DPAA_PER_LCORE_PORTAL) {
+ DPAA_BUS_LOG(ERR, "Unable to allocate memory");
+ bman_thread_finish();
+ qman_thread_finish();
+ return -ENOMEM;
+ }
+
+ DPAA_PER_LCORE_PORTAL->qman_idx = qman_get_portal_index();
+ DPAA_PER_LCORE_PORTAL->bman_idx = bman_get_portal_index();
+ DPAA_PER_LCORE_PORTAL->tid = rte_gettid();
+
+ ret = pthread_setspecific(dpaa_portal_key,
+ (void *)DPAA_PER_LCORE_PORTAL);
+ if (ret) {
+ DPAA_BUS_LOG(ERR, "pthread_setspecific failed on core %u"
+ " (lcore=%u) with ret: %d", cpu, lcore, ret);
+ dpaa_portal_finish(NULL);
+
+ return ret;
+ }
+
+ DPAA_BUS_LOG(DEBUG, "QMAN thread initialized");
+
+ return 0;
+}
+
+int
+rte_dpaa_portal_fq_init(void *arg, struct qman_fq *fq)
+{
+ /* Affine above created portal with channel*/
+ u32 sdqcr;
+ int ret;
+
+ if (unlikely(!DPAA_PER_LCORE_PORTAL)) {
+ ret = rte_dpaa_portal_init(arg);
+ if (ret < 0) {
+ DPAA_BUS_LOG(ERR, "portal initialization failure");
+ return ret;
+ }
+ }
+
+ /* Initialise qman specific portals */
+ ret = fsl_qman_fq_portal_init(fq->qp);
+ if (ret) {
+ DPAA_BUS_LOG(ERR, "Unable to init fq portal");
+ return -1;
+ }
+
+ sdqcr = QM_SDQCR_CHANNELS_POOL_CONV(fq->ch_id);
+ qman_static_dequeue_add(sdqcr, fq->qp);
+
+ return 0;
+}
+
+int rte_dpaa_portal_fq_close(struct qman_fq *fq)
+{
+ return fsl_qman_fq_portal_destroy(fq->qp);
+}
+
+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;
+ DPAA_PER_LCORE_PORTAL = NULL;
+}
+
+static int
+rte_dpaa_bus_parse(const char *name, void *out)
+{
+ unsigned int i, j;
+ size_t delta;
+
+ /* There are two ways of passing device name, with and without
+ * separator. "dpaa_bus:fm1-mac3" with separator, and "fm1-mac3"
+ * without separator. Both need to be handled.
+ * It is also possible that "name=fm1-mac3" is passed along.
+ */
+ DPAA_BUS_DEBUG("Parse device name (%s)", name);
+
+ delta = 0;
+ if (strncmp(name, "dpaa_bus:", 9) == 0) {
+ delta = 9;
+ } else if (strncmp(name, "name=", 5) == 0) {
+ delta = 5;
+ }
+
+ if (sscanf(&name[delta], "fm%u-mac%u", &i, &j) != 2 ||
+ i >= 2 || j >= 16) {
+ return -EINVAL;
+ }
+
+ if (out != NULL) {
+ char *out_name = out;
+ const size_t max_name_len = sizeof("fm.-mac..") - 1;
+
+ /* Do not check for truncation, either name ends with
+ * '\0' or the device name is followed by parameters and there
+ * will be a ',' instead. Not copying past this comma is not an
+ * error.
+ */
+ strlcpy(out_name, &name[delta], max_name_len + 1);
+
+ /* Second digit of mac%u could instead be ','. */
+ if ((strlen(out_name) == max_name_len) &&
+ out_name[max_name_len] == ',')
+ out_name[max_name_len] = '\0';
+ }
+
+ return 0;
+}
+
+#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;
+ }
+
+ if (rte_dpaa_bus.detected)
+ return 0;
+
+ rte_dpaa_bus.detected = 1;
+
+ /* 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;
+ }
+
return 0;
}
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 -1;
+ }
+
+ if (drv->drv_type == dev->device_type)
+ return 0;
+
+ return -1;
+}
+
+static int
+rte_dpaa_bus_dev_build(void)
+{
+ int ret;
+
+ /* 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 failed: /dev/fsl_usdpaa device not available");
+ DPAA_BUS_WARN(
+ "Check if you are using USDPAA based device tree");
+ return -EINVAL;
+ }
+
+ RTE_LOG(NOTICE, EAL, "DPAA Bus Detected\n");
+
+ if (!dpaa_netcfg->num_ethports) {
+ DPAA_BUS_LOG(INFO, "NO DPDK mapped net interfaces available");
+ /* This is not an error */
+ }
+
+#ifdef RTE_LIBRTE_DPAA_DEBUG_DRIVER
+ dump_netcfg(dpaa_netcfg);
+#endif
+
+ DPAA_BUS_LOG(DEBUG, "Number of ethernet devices = %d",
+ dpaa_netcfg->num_ethports);
+ ret = dpaa_create_device_list();
+ if (ret) {
+ DPAA_BUS_LOG(ERR, "Unable to create device list. (%d)", ret);
return ret;
}
+ return 0;
+}
- 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 */
+static int rte_dpaa_setup_intr(struct rte_intr_handle *intr_handle)
+{
+ int fd;
+
+ fd = eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC);
+ if (fd < 0) {
+ DPAA_BUS_ERR("Cannot set up eventfd, error %i (%s)",
+ errno, strerror(errno));
+ return errno;
}
- return ret;
+ intr_handle->fd = fd;
+ intr_handle->type = RTE_INTR_HANDLE_EXT;
+
+ return 0;
}
static int
int ret = -1;
struct rte_dpaa_device *dev;
struct rte_dpaa_driver *drv;
+ FILE *svr_file = NULL;
+ unsigned int svr_ver;
+ int probe_all = rte_dpaa_bus.bus.conf.scan_mode != RTE_BUS_SCAN_ALLOWLIST;
+ static int process_once;
+
+ /* If DPAA bus is not present nothing needs to be done */
+ if (!rte_dpaa_bus.detected)
+ return 0;
+
+ /* Device list creation is only done once */
+ if (!process_once) {
+ rte_dpaa_bus_dev_build();
+ /* One time load of Qman/Bman drivers */
+ ret = qman_global_init();
+ if (ret) {
+ DPAA_BUS_ERR("QMAN initialization failed: %d",
+ ret);
+ return ret;
+ }
+ ret = bman_global_init();
+ if (ret) {
+ DPAA_BUS_ERR("BMAN initialization failed: %d",
+ ret);
+ return ret;
+ }
+ }
+ process_once = 1;
- BUS_INIT_FUNC_TRACE();
+ /* If no device present on DPAA bus nothing needs to be done */
+ if (TAILQ_EMPTY(&rte_dpaa_bus.device_list))
+ return 0;
+
+ svr_file = fopen(DPAA_SOC_ID_FILE, "r");
+ if (svr_file) {
+ if (fscanf(svr_file, "svr:%x", &svr_ver) > 0)
+ dpaa_svr_family = svr_ver & SVR_MASK;
+ fclose(svr_file);
+ }
+
+ TAILQ_FOREACH(dev, &rte_dpaa_bus.device_list, next) {
+ if (dev->device_type == FSL_DPAA_ETH) {
+ ret = rte_dpaa_setup_intr(&dev->intr_handle);
+ if (ret)
+ DPAA_BUS_ERR("Error setting up interrupt.\n");
+ }
+ }
+
+ /* And initialize the PA->VA translation table */
+ dpaax_iova_table_populate();
/* For each registered driver, and device, call the driver->probe */
TAILQ_FOREACH(dev, &rte_dpaa_bus.device_list, next) {
if (ret)
continue;
- if (!drv->probe)
+ if (rte_dev_is_probed(&dev->device))
continue;
- ret = drv->probe(drv, dev);
- if (ret)
- DPAA_BUS_ERR("Unable to probe.\n");
+ if (!drv->probe ||
+ (dev->device.devargs &&
+ dev->device.devargs->policy == RTE_DEV_BLOCKED))
+ continue;
+
+ if (probe_all ||
+ (dev->device.devargs &&
+ dev->device.devargs->policy == RTE_DEV_ALLOWED)) {
+ ret = drv->probe(drv, dev);
+ if (ret) {
+ DPAA_BUS_ERR("unable to probe:%s",
+ dev->name);
+ } else {
+ dev->driver = drv;
+ dev->device.driver = &drv->driver;
+ }
+ }
break;
}
}
+
+ /* Register DPAA mempool ops only if any DPAA device has
+ * been detected.
+ */
+ rte_mbuf_set_platform_mempool_ops(DPAA_MEMPOOL_OPS_NAME);
+
return 0;
}
const void *data)
{
struct rte_dpaa_device *dev;
+ const struct rte_dpaa_device *dstart;
- TAILQ_FOREACH(dev, &rte_dpaa_bus.device_list, next) {
- if (start && &dev->device == start) {
- start = NULL; /* starting point found */
- continue;
+ /* find_device is called with 'data' as an opaque object - just call
+ * cmp with this and each device object on bus.
+ */
+
+ if (start != NULL) {
+ dstart = RTE_DEV_TO_DPAA_CONST(start);
+ dev = TAILQ_NEXT(dstart, next);
+ } else {
+ dev = TAILQ_FIRST(&rte_dpaa_bus.device_list);
+ }
+
+ while (dev != NULL) {
+ if (cmp(&dev->device, data) == 0) {
+ DPAA_BUS_DEBUG("Found dev=(%s)\n", dev->device.name);
+ return &dev->device;
}
+ dev = TAILQ_NEXT(dev, next);
+ }
+
+ DPAA_BUS_DEBUG("Unable to find any device\n");
+ return NULL;
+}
+
+/*
+ * Get iommu class of DPAA2 devices on the bus.
+ */
+static enum rte_iova_mode
+rte_dpaa_get_iommu_class(void)
+{
+ if ((access(DPAA_DEV_PATH1, F_OK) != 0) &&
+ (access(DPAA_DEV_PATH2, F_OK) != 0)) {
+ return RTE_IOVA_DC;
+ }
+ return RTE_IOVA_PA;
+}
+
+static int
+dpaa_bus_plug(struct rte_device *dev __rte_unused)
+{
+ /* No operation is performed while plugging the device */
+ return 0;
+}
- if (cmp(&dev->device, data) == 0)
+static int
+dpaa_bus_unplug(struct rte_device *dev __rte_unused)
+{
+ /* No operation is performed while unplugging the device */
+ return 0;
+}
+
+static void *
+dpaa_bus_dev_iterate(const void *start, const char *str,
+ const struct rte_dev_iterator *it __rte_unused)
+{
+ const struct rte_dpaa_device *dstart;
+ struct rte_dpaa_device *dev;
+ char *dup, *dev_name = NULL;
+
+ if (str == NULL) {
+ DPAA_BUS_DEBUG("No device string");
+ return NULL;
+ }
+
+ /* Expectation is that device would be name=device_name */
+ if (strncmp(str, "name=", 5) != 0) {
+ DPAA_BUS_DEBUG("Invalid device string (%s)\n", str);
+ return NULL;
+ }
+
+ /* Now that name=device_name format is available, split */
+ dup = strdup(str);
+ dev_name = dup + strlen("name=");
+
+ if (start != NULL) {
+ dstart = RTE_DEV_TO_DPAA_CONST(start);
+ dev = TAILQ_NEXT(dstart, next);
+ } else {
+ dev = TAILQ_FIRST(&rte_dpaa_bus.device_list);
+ }
+
+ while (dev != NULL) {
+ if (strcmp(dev->device.name, dev_name) == 0) {
+ free(dup);
return &dev->device;
+ }
+ dev = TAILQ_NEXT(dev, next);
}
+ free(dup);
return NULL;
}
-struct rte_dpaa_bus rte_dpaa_bus = {
+static struct rte_dpaa_bus rte_dpaa_bus = {
.bus = {
.scan = rte_dpaa_bus_scan,
.probe = rte_dpaa_bus_probe,
+ .parse = rte_dpaa_bus_parse,
.find_device = rte_dpaa_find_device,
+ .get_iommu_class = rte_dpaa_get_iommu_class,
+ .plug = dpaa_bus_plug,
+ .unplug = dpaa_bus_unplug,
+ .dev_iterate = dpaa_bus_dev_iterate,
},
.device_list = TAILQ_HEAD_INITIALIZER(rte_dpaa_bus.device_list),
.driver_list = TAILQ_HEAD_INITIALIZER(rte_dpaa_bus.driver_list),
};
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);
-}
+RTE_LOG_REGISTER_DEFAULT(dpaa_logtype_bus, NOTICE);
git.droids-corp.org / dpdk.git / blobdiff