update Cavium Inc copyright headers
[dpdk.git] / drivers / event / octeontx / ssovf_evdev.c
index c71427e..d829b49 100644 (file)
@@ -1,7 +1,7 @@
 /*
  *   BSD LICENSE
  *
- *   Copyright (C) Cavium networks Ltd. 2017.
+ *   Copyright (C) Cavium, Inc. 2017.
  *
  *   Redistribution and use in source and binary forms, with or without
  *   modification, are permitted provided that the following conditions
@@ -13,7 +13,7 @@
  *       notice, this list of conditions and the following disclaimer in
  *       the documentation and/or other materials provided with the
  *       distribution.
- *     * Neither the name of Cavium networks nor the names of its
+ *     * Neither the name of Cavium, Inc nor the names of its
  *       contributors may be used to endorse or promote products derived
  *       from this software without specific prior written permission.
  *
@@ -30,6 +30,8 @@
  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
+#include <inttypes.h>
+
 #include <rte_common.h>
 #include <rte_debug.h>
 #include <rte_dev.h>
@@ -148,11 +150,31 @@ ssovf_mbox_timeout_ticks(uint64_t ns, uint64_t *tmo_ticks)
        return 0;
 }
 
+static void
+ssovf_fastpath_fns_set(struct rte_eventdev *dev)
+{
+       struct ssovf_evdev *edev = ssovf_pmd_priv(dev);
+
+       dev->schedule      = NULL;
+       dev->enqueue       = ssows_enq;
+       dev->enqueue_burst = ssows_enq_burst;
+       dev->enqueue_new_burst = ssows_enq_new_burst;
+       dev->enqueue_forward_burst = ssows_enq_fwd_burst;
+       dev->dequeue       = ssows_deq;
+       dev->dequeue_burst = ssows_deq_burst;
+
+       if (edev->is_timeout_deq) {
+               dev->dequeue       = ssows_deq_timeout;
+               dev->dequeue_burst = ssows_deq_timeout_burst;
+       }
+}
+
 static void
 ssovf_info_get(struct rte_eventdev *dev, struct rte_event_dev_info *dev_info)
 {
        struct ssovf_evdev *edev = ssovf_pmd_priv(dev);
 
+       dev_info->driver_name = RTE_STR(EVENTDEV_NAME_OCTEONTX_PMD);
        dev_info->min_dequeue_timeout_ns = edev->min_deq_timeout_ns;
        dev_info->max_dequeue_timeout_ns = edev->max_deq_timeout_ns;
        dev_info->max_event_queues = edev->max_event_queues;
@@ -177,6 +199,8 @@ ssovf_configure(const struct rte_eventdev *dev)
 
        ssovf_func_trace();
        deq_tmo_ns = conf->dequeue_timeout_ns;
+       if (deq_tmo_ns == 0)
+               deq_tmo_ns = edev->min_deq_timeout_ns;
 
        if (conf->event_dev_cfg & RTE_EVENT_DEV_CFG_PER_DEQUEUE_TIMEOUT) {
                edev->is_timeout_deq = 1;
@@ -382,6 +406,75 @@ ssovf_dump(struct rte_eventdev *dev, FILE *f)
                ssows_dump(dev->data->ports[port], f);
 }
 
+static int
+ssovf_start(struct rte_eventdev *dev)
+{
+       struct ssovf_evdev *edev = ssovf_pmd_priv(dev);
+       struct ssows *ws;
+       uint8_t *base;
+       uint8_t i;
+
+       ssovf_func_trace();
+       for (i = 0; i < edev->nb_event_ports; i++) {
+               ws = dev->data->ports[i];
+               ssows_reset(ws);
+               ws->swtag_req = 0;
+       }
+
+       for (i = 0; i < edev->nb_event_queues; i++) {
+               /* Consume all the events through HWS0 */
+               ssows_flush_events(dev->data->ports[0], i);
+
+               base = octeontx_ssovf_bar(OCTEONTX_SSO_GROUP, i, 0);
+               base += SSO_VHGRP_QCTL;
+               ssovf_write64(1, base); /* Enable SSO group */
+       }
+
+       ssovf_fastpath_fns_set(dev);
+       return 0;
+}
+
+static void
+ssovf_stop(struct rte_eventdev *dev)
+{
+       struct ssovf_evdev *edev = ssovf_pmd_priv(dev);
+       struct ssows *ws;
+       uint8_t *base;
+       uint8_t i;
+
+       ssovf_func_trace();
+       for (i = 0; i < edev->nb_event_ports; i++) {
+               ws = dev->data->ports[i];
+               ssows_reset(ws);
+               ws->swtag_req = 0;
+       }
+
+       for (i = 0; i < edev->nb_event_queues; i++) {
+               /* Consume all the events through HWS0 */
+               ssows_flush_events(dev->data->ports[0], i);
+
+               base = octeontx_ssovf_bar(OCTEONTX_SSO_GROUP, i, 0);
+               base += SSO_VHGRP_QCTL;
+               ssovf_write64(0, base); /* Disable SSO group */
+       }
+}
+
+static int
+ssovf_close(struct rte_eventdev *dev)
+{
+       struct ssovf_evdev *edev = ssovf_pmd_priv(dev);
+       uint8_t all_queues[RTE_EVENT_MAX_QUEUES_PER_DEV];
+       uint8_t i;
+
+       for (i = 0; i < edev->nb_event_queues; i++)
+               all_queues[i] = i;
+
+       for (i = 0; i < edev->nb_event_ports; i++)
+               ssovf_port_unlink(dev, dev->data->ports[i], all_queues,
+                       edev->nb_event_queues);
+       return 0;
+}
+
 /* Initialize and register event driver with DPDK Application */
 static const struct rte_eventdev_ops ssovf_ops = {
        .dev_infos_get    = ssovf_info_get,
@@ -396,20 +489,23 @@ static const struct rte_eventdev_ops ssovf_ops = {
        .port_unlink      = ssovf_port_unlink,
        .timeout_ticks    = ssovf_timeout_ticks,
        .dump             = ssovf_dump,
+       .dev_start        = ssovf_start,
+       .dev_stop         = ssovf_stop,
+       .dev_close        = ssovf_close
 };
 
 static int
-ssovf_vdev_probe(const char *name, const char *params)
+ssovf_vdev_probe(struct rte_vdev_device *vdev)
 {
        struct octeontx_ssovf_info oinfo;
        struct ssovf_mbox_dev_info info;
        struct ssovf_evdev *edev;
        struct rte_eventdev *eventdev;
        static int ssovf_init_once;
+       const char *name;
        int ret;
 
-       RTE_SET_USED(params);
-
+       name = rte_vdev_device_name(vdev);
        /* More than one instance is not supported */
        if (ssovf_init_once) {
                ssovf_log_err("Request to create >1 %s instance", name);
@@ -425,8 +521,10 @@ ssovf_vdev_probe(const char *name, const char *params)
        eventdev->dev_ops = &ssovf_ops;
 
        /* For secondary processes, the primary has done all the work */
-       if (rte_eal_process_type() != RTE_PROC_PRIMARY)
+       if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
+               ssovf_fastpath_fns_set(eventdev);
                return 0;
+       }
 
        ret = octeontx_ssovf_info(&oinfo);
        if (ret) {
@@ -472,8 +570,11 @@ error:
 }
 
 static int
-ssovf_vdev_remove(const char *name)
+ssovf_vdev_remove(struct rte_vdev_device *vdev)
 {
+       const char *name;
+
+       name = rte_vdev_device_name(vdev);
        ssovf_log_info("Closing %s", name);
        return rte_event_pmd_vdev_uninit(name);
 }