diff mbox

[dpdk-dev,v5,04/20] event/sw: add configure function

Message ID 1490374395-149320-5-git-send-email-harry.van.haaren@intel.com (mailing list archive)
State Superseded, archived
Delegated to: Jerin Jacob
Headers

Checks

Context Check Description
ci/checkpatch success coding style OK
ci/Intel-compilation success Compilation OK

Commit Message

Van Haaren, Harry March 24, 2017, 4:52 p.m. UTC 
  From: Bruce Richardson <bruce.richardson@intel.com>

Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
Signed-off-by: Harry van Haaren <harry.van.haaren@intel.com>
---
 drivers/event/sw/sw_evdev.c | 15 +++++++++++++++
 drivers/event/sw/sw_evdev.h | 11 +++++++++++
 2 files changed, 26 insertions(+)

Comments

Jerin Jacob March 25, 2017, 1:17 p.m. UTC | #1 
On Fri, Mar 24, 2017 at 04:52:59PM +0000, Harry van Haaren wrote:
> From: Bruce Richardson <bruce.richardson@intel.com>
> 
> Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
> Signed-off-by: Harry van Haaren <harry.van.haaren@intel.com>
> ---
>  drivers/event/sw/sw_evdev.c | 15 +++++++++++++++
>  drivers/event/sw/sw_evdev.h | 11 +++++++++++
>  2 files changed, 26 insertions(+)
> 
> diff --git a/drivers/event/sw/sw_evdev.c b/drivers/event/sw/sw_evdev.c
> index 9d8517a..28a2326 100644
> --- a/drivers/event/sw/sw_evdev.c
> +++ b/drivers/event/sw/sw_evdev.c
> @@ -44,6 +44,20 @@
>  #define SCHED_QUANTA_ARG "sched_quanta"
>  #define CREDIT_QUANTA_ARG "credit_quanta"
>  
> +static int
> +sw_dev_configure(const struct rte_eventdev *dev)
> +{
> +	struct sw_evdev *sw = sw_pmd_priv(dev);
> +	const struct rte_eventdev_data *data = dev->data;
> +	const struct rte_event_dev_config *conf = &data->dev_conf;
> +
> +	sw->qid_count = conf->nb_event_queues;
> +	sw->port_count = conf->nb_event_ports;
> +	sw->nb_events_limit = conf->nb_events_limit;

I think, we can add a check here to detect the unavailability of
per dequeue timeout support in the configure stage.

if (conf->event_dev_cfg & RTE_EVENT_DEV_CFG_PER_DEQUEUE_TIMEOUT)
	return -ENOTSUP;


With that change,

Acked-by: Jerin Jacob <jerin.jacob@caviumnetworks.com>
diff mbox

Patch

diff --git a/drivers/event/sw/sw_evdev.c b/drivers/event/sw/sw_evdev.c
index 9d8517a..28a2326 100644
--- a/drivers/event/sw/sw_evdev.c
+++ b/drivers/event/sw/sw_evdev.c
@@ -44,6 +44,20 @@ 
 #define SCHED_QUANTA_ARG "sched_quanta"
 #define CREDIT_QUANTA_ARG "credit_quanta"
 
+static int
+sw_dev_configure(const struct rte_eventdev *dev)
+{
+	struct sw_evdev *sw = sw_pmd_priv(dev);
+	const struct rte_eventdev_data *data = dev->data;
+	const struct rte_event_dev_config *conf = &data->dev_conf;
+
+	sw->qid_count = conf->nb_event_queues;
+	sw->port_count = conf->nb_event_ports;
+	sw->nb_events_limit = conf->nb_events_limit;
+
+	return 0;
+}
+
 static void
 sw_info_get(struct rte_eventdev *dev, struct rte_event_dev_info *info)
 {
@@ -100,6 +114,7 @@  static int
 sw_probe(const char *name, const char *params)
 {
 	static const struct rte_eventdev_ops evdev_sw_ops = {
+			.dev_configure = sw_dev_configure,
 			.dev_infos_get = sw_info_get,
 	};
 
diff --git a/drivers/event/sw/sw_evdev.h b/drivers/event/sw/sw_evdev.h
index ab315d4..fda57df 100644
--- a/drivers/event/sw/sw_evdev.h
+++ b/drivers/event/sw/sw_evdev.h
@@ -35,6 +35,7 @@ 
 
 #include <rte_eventdev.h>
 #include <rte_eventdev_pmd.h>
+#include <rte_atomic.h>
 
 #define SW_DEFAULT_CREDIT_QUANTA 32
 #define SW_DEFAULT_SCHED_QUANTA 128
@@ -129,7 +130,17 @@  struct sw_qid {
 struct sw_evdev {
 	struct rte_eventdev_data *data;
 
+	uint32_t port_count;
+	uint32_t qid_count;
+
+	/*
+	 * max events in this instance. Cached here for performance.
+	 * (also available in data->conf.nb_events_limit)
+	 */
+	uint32_t nb_events_limit;
+
 	int32_t sched_quanta;
+
 	uint32_t credit_update_quanta;
 };