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authorLuca Boccassi <luca.boccassi@gmail.com>2018-08-14 18:52:30 +0100
committerLuca Boccassi <luca.boccassi@gmail.com>2018-08-14 18:53:17 +0100
commitb63264c8342e6a1b6971c79550d2af2024b6a4de (patch)
tree83114aac64286fe616506c0b3dfaec2ab86ef835 /drivers/event/sw/sw_evdev.c
parentca33590b6af032bff57d9cc70455660466a654b2 (diff)
New upstream version 18.08upstream/18.08
Change-Id: I32fdf5e5016556d9c0a6d88ddaf1fc468961790a Signed-off-by: Luca Boccassi <luca.boccassi@gmail.com>
Diffstat (limited to 'drivers/event/sw/sw_evdev.c')
-rw-r--r--drivers/event/sw/sw_evdev.c151
1 files changed, 145 insertions, 6 deletions
diff --git a/drivers/event/sw/sw_evdev.c b/drivers/event/sw/sw_evdev.c
index 6672fd8e..a6bb9138 100644
--- a/drivers/event/sw/sw_evdev.c
+++ b/drivers/event/sw/sw_evdev.c
@@ -361,9 +361,99 @@ sw_init_qid_iqs(struct sw_evdev *sw)
}
}
+static int
+sw_qids_empty(struct sw_evdev *sw)
+{
+ unsigned int i, j;
+
+ for (i = 0; i < sw->qid_count; i++) {
+ for (j = 0; j < SW_IQS_MAX; j++) {
+ if (iq_count(&sw->qids[i].iq[j]))
+ return 0;
+ }
+ }
+
+ return 1;
+}
+
+static int
+sw_ports_empty(struct sw_evdev *sw)
+{
+ unsigned int i;
+
+ for (i = 0; i < sw->port_count; i++) {
+ if ((rte_event_ring_count(sw->ports[i].rx_worker_ring)) ||
+ rte_event_ring_count(sw->ports[i].cq_worker_ring))
+ return 0;
+ }
+
+ return 1;
+}
+
static void
-sw_clean_qid_iqs(struct sw_evdev *sw)
+sw_drain_ports(struct rte_eventdev *dev)
{
+ struct sw_evdev *sw = sw_pmd_priv(dev);
+ eventdev_stop_flush_t flush;
+ unsigned int i;
+ uint8_t dev_id;
+ void *arg;
+
+ flush = dev->dev_ops->dev_stop_flush;
+ dev_id = dev->data->dev_id;
+ arg = dev->data->dev_stop_flush_arg;
+
+ for (i = 0; i < sw->port_count; i++) {
+ struct rte_event ev;
+
+ while (rte_event_dequeue_burst(dev_id, i, &ev, 1, 0)) {
+ if (flush)
+ flush(dev_id, ev, arg);
+
+ ev.op = RTE_EVENT_OP_RELEASE;
+ rte_event_enqueue_burst(dev_id, i, &ev, 1);
+ }
+ }
+}
+
+static void
+sw_drain_queue(struct rte_eventdev *dev, struct sw_iq *iq)
+{
+ struct sw_evdev *sw = sw_pmd_priv(dev);
+ eventdev_stop_flush_t flush;
+ uint8_t dev_id;
+ void *arg;
+
+ flush = dev->dev_ops->dev_stop_flush;
+ dev_id = dev->data->dev_id;
+ arg = dev->data->dev_stop_flush_arg;
+
+ while (iq_count(iq) > 0) {
+ struct rte_event ev;
+
+ iq_dequeue_burst(sw, iq, &ev, 1);
+
+ if (flush)
+ flush(dev_id, ev, arg);
+ }
+}
+
+static void
+sw_drain_queues(struct rte_eventdev *dev)
+{
+ struct sw_evdev *sw = sw_pmd_priv(dev);
+ unsigned int i, j;
+
+ for (i = 0; i < sw->qid_count; i++) {
+ for (j = 0; j < SW_IQS_MAX; j++)
+ sw_drain_queue(dev, &sw->qids[i].iq[j]);
+ }
+}
+
+static void
+sw_clean_qid_iqs(struct rte_eventdev *dev)
+{
+ struct sw_evdev *sw = sw_pmd_priv(dev);
int i, j;
/* Release the IQ memory of all configured qids */
@@ -464,6 +554,33 @@ sw_eth_rx_adapter_caps_get(const struct rte_eventdev *dev,
return 0;
}
+static int
+sw_timer_adapter_caps_get(const struct rte_eventdev *dev,
+ uint64_t flags,
+ uint32_t *caps,
+ const struct rte_event_timer_adapter_ops **ops)
+{
+ RTE_SET_USED(dev);
+ RTE_SET_USED(flags);
+ *caps = 0;
+
+ /* Use default SW ops */
+ *ops = NULL;
+
+ return 0;
+}
+
+static int
+sw_crypto_adapter_caps_get(const struct rte_eventdev *dev,
+ const struct rte_cryptodev *cdev,
+ uint32_t *caps)
+{
+ RTE_SET_USED(dev);
+ RTE_SET_USED(cdev);
+ *caps = RTE_EVENT_CRYPTO_ADAPTER_SW_CAP;
+ return 0;
+}
+
static void
sw_info_get(struct rte_eventdev *dev, struct rte_event_dev_info *info)
{
@@ -702,10 +819,30 @@ static void
sw_stop(struct rte_eventdev *dev)
{
struct sw_evdev *sw = sw_pmd_priv(dev);
- sw_clean_qid_iqs(sw);
+ int32_t runstate;
+
+ /* Stop the scheduler if it's running */
+ runstate = rte_service_runstate_get(sw->service_id);
+ if (runstate == 1)
+ rte_service_runstate_set(sw->service_id, 0);
+
+ while (rte_service_may_be_active(sw->service_id))
+ rte_pause();
+
+ /* Flush all events out of the device */
+ while (!(sw_qids_empty(sw) && sw_ports_empty(sw))) {
+ sw_event_schedule(dev);
+ sw_drain_ports(dev);
+ sw_drain_queues(dev);
+ }
+
+ sw_clean_qid_iqs(dev);
sw_xstats_uninit(sw);
sw->started = 0;
rte_smp_wmb();
+
+ if (runstate == 1)
+ rte_service_runstate_set(sw->service_id, 1);
}
static int
@@ -772,7 +909,7 @@ static int32_t sw_sched_service_func(void *args)
static int
sw_probe(struct rte_vdev_device *vdev)
{
- static const struct rte_eventdev_ops evdev_sw_ops = {
+ static struct rte_eventdev_ops evdev_sw_ops = {
.dev_configure = sw_dev_configure,
.dev_infos_get = sw_info_get,
.dev_close = sw_close,
@@ -791,6 +928,10 @@ sw_probe(struct rte_vdev_device *vdev)
.eth_rx_adapter_caps_get = sw_eth_rx_adapter_caps_get,
+ .timer_adapter_caps_get = sw_timer_adapter_caps_get,
+
+ .crypto_adapter_caps_get = sw_crypto_adapter_caps_get,
+
.xstats_get = sw_xstats_get,
.xstats_get_names = sw_xstats_get_names,
.xstats_get_by_name = sw_xstats_get_by_name,
@@ -933,9 +1074,7 @@ RTE_PMD_REGISTER_PARAM_STRING(event_sw, NUMA_NODE_ARG "=<int> "
/* declared extern in header, for access from other .c files */
int eventdev_sw_log_level;
-RTE_INIT(evdev_sw_init_log);
-static void
-evdev_sw_init_log(void)
+RTE_INIT(evdev_sw_init_log)
{
eventdev_sw_log_level = rte_log_register("pmd.event.sw");
if (eventdev_sw_log_level >= 0)