#if (RTE_EVENT_MAX_QUEUES_PER_DEV > UINT8_MAX)
#error "RTE_EVENT_MAX_QUEUES_PER_DEV cannot fit in member max_event_queues"
#endif
+static struct rte_event_dev_info evdev_dlb_default_info = {
+ .driver_name = "", /* probe will set */
+ .min_dequeue_timeout_ns = DLB_MIN_DEQUEUE_TIMEOUT_NS,
+ .max_dequeue_timeout_ns = DLB_MAX_DEQUEUE_TIMEOUT_NS,
+#if (RTE_EVENT_MAX_QUEUES_PER_DEV < DLB_MAX_NUM_LDB_QUEUES)
+ .max_event_queues = RTE_EVENT_MAX_QUEUES_PER_DEV,
+#else
+ .max_event_queues = DLB_MAX_NUM_LDB_QUEUES,
+#endif
+ .max_event_queue_flows = DLB_MAX_NUM_FLOWS,
+ .max_event_queue_priority_levels = DLB_QID_PRIORITIES,
+ .max_event_priority_levels = DLB_QID_PRIORITIES,
+ .max_event_ports = DLB_MAX_NUM_LDB_PORTS,
+ .max_event_port_dequeue_depth = DLB_MAX_CQ_DEPTH,
+ .max_event_port_enqueue_depth = DLB_MAX_ENQUEUE_DEPTH,
+ .max_event_port_links = DLB_MAX_NUM_QIDS_PER_LDB_CQ,
+ .max_num_events = DLB_MAX_NUM_LDB_CREDITS,
+ .max_single_link_event_port_queue_pairs = DLB_MAX_NUM_DIR_PORTS,
+ .event_dev_cap = (RTE_EVENT_DEV_CAP_QUEUE_QOS |
+ RTE_EVENT_DEV_CAP_EVENT_QOS |
+ RTE_EVENT_DEV_CAP_BURST_MODE |
+ RTE_EVENT_DEV_CAP_DISTRIBUTED_SCHED |
+ RTE_EVENT_DEV_CAP_IMPLICIT_RELEASE_DISABLE |
+ RTE_EVENT_DEV_CAP_QUEUE_ALL_TYPES),
+};
struct process_local_port_data
dlb_port[DLB_MAX_NUM_PORTS][NUM_DLB_PORT_TYPES];
+static int
+dlb_hw_query_resources(struct dlb_eventdev *dlb)
+{
+ struct dlb_hw_dev *handle = &dlb->qm_instance;
+ struct dlb_hw_resource_info *dlb_info = &handle->info;
+ int ret;
+
+ ret = dlb_iface_get_num_resources(handle,
+ &dlb->hw_rsrc_query_results);
+ if (ret) {
+ DLB_LOG_ERR("get dlb num resources, err=%d\n", ret);
+ return ret;
+ }
+
+ /* Complete filling in device resource info returned to evdev app,
+ * overriding any default values.
+ * The capabilities (CAPs) were set at compile time.
+ */
+
+ evdev_dlb_default_info.max_event_queues =
+ dlb->hw_rsrc_query_results.num_ldb_queues;
+
+ evdev_dlb_default_info.max_event_ports =
+ dlb->hw_rsrc_query_results.num_ldb_ports;
+
+ evdev_dlb_default_info.max_num_events =
+ dlb->hw_rsrc_query_results.max_contiguous_ldb_credits;
+
+ /* Save off values used when creating the scheduling domain. */
+
+ handle->info.num_sched_domains =
+ dlb->hw_rsrc_query_results.num_sched_domains;
+
+ handle->info.hw_rsrc_max.nb_events_limit =
+ dlb->hw_rsrc_query_results.max_contiguous_ldb_credits;
+
+ handle->info.hw_rsrc_max.num_queues =
+ dlb->hw_rsrc_query_results.num_ldb_queues +
+ dlb->hw_rsrc_query_results.num_dir_ports;
+
+ handle->info.hw_rsrc_max.num_ldb_queues =
+ dlb->hw_rsrc_query_results.num_ldb_queues;
+
+ handle->info.hw_rsrc_max.num_ldb_ports =
+ dlb->hw_rsrc_query_results.num_ldb_ports;
+
+ handle->info.hw_rsrc_max.num_dir_ports =
+ dlb->hw_rsrc_query_results.num_dir_ports;
+
+ handle->info.hw_rsrc_max.reorder_window_size =
+ dlb->hw_rsrc_query_results.num_hist_list_entries;
+
+ rte_memcpy(dlb_info, &handle->info.hw_rsrc_max, sizeof(*dlb_info));
+
+ return 0;
+}
+
/* Wrapper for string to int conversion. Substituted for atoi(...), which is
* unsafe.
*/
const char *name,
struct dlb_devargs *dlb_args)
{
- RTE_SET_USED(dev);
- RTE_SET_USED(name);
- RTE_SET_USED(dlb_args);
+ struct dlb_eventdev *dlb;
+ int err;
+
+ dlb = dev->data->dev_private;
+
+ dlb->event_dev = dev; /* backlink */
+
+ evdev_dlb_default_info.driver_name = name;
+
+ dlb->max_num_events_override = dlb_args->max_num_events;
+ dlb->num_dir_credits_override = dlb_args->num_dir_credits_override;
+ dlb->defer_sched = dlb_args->defer_sched;
+ dlb->num_atm_inflights_per_queue = dlb_args->num_atm_inflights;
+
+ /* Open the interface.
+ * For vdev mode, this means open the dlb kernel module.
+ */
+ err = dlb_iface_open(&dlb->qm_instance, name);
+ if (err < 0) {
+ DLB_LOG_ERR("could not open event hardware device, err=%d\n",
+ err);
+ return err;
+ }
+
+ err = dlb_iface_get_device_version(&dlb->qm_instance, &dlb->revision);
+ if (err < 0) {
+ DLB_LOG_ERR("dlb: failed to get the device version, err=%d\n",
+ err);
+ return err;
+ }
+
+ err = dlb_hw_query_resources(dlb);
+ if (err) {
+ DLB_LOG_ERR("get resources err=%d for %s\n", err, name);
+ return err;
+ }
+
+ err = dlb_iface_get_cq_poll_mode(&dlb->qm_instance, &dlb->poll_mode);
+ if (err < 0) {
+ DLB_LOG_ERR("dlb: failed to get the poll mode, err=%d\n", err);
+ return err;
+ }
+
+ rte_spinlock_init(&dlb->qm_instance.resource_lock);
+
+ dlb_iface_low_level_io_init(dlb);
+
+ dlb_entry_points_init(dev);
return 0;
}
dlb_secondary_eventdev_probe(struct rte_eventdev *dev,
const char *name)
{
- RTE_SET_USED(dev);
- RTE_SET_USED(name);
+ struct dlb_eventdev *dlb;
+ int err;
+
+ dlb = dev->data->dev_private;
+
+ evdev_dlb_default_info.driver_name = name;
+
+ err = dlb_iface_open(&dlb->qm_instance, name);
+ if (err < 0) {
+ DLB_LOG_ERR("could not open event hardware device, err=%d\n",
+ err);
+ return err;
+ }
+
+ err = dlb_hw_query_resources(dlb);
+ if (err) {
+ DLB_LOG_ERR("get resources err=%d for %s\n", err, name);
+ return err;
+ }
+
+ dlb_iface_low_level_io_init(dlb);
+
+ dlb_entry_points_init(dev);
return 0;
}
git.droids-corp.org / dpdk.git / blobdiff