On Mon, Oct 16, 2023 at 01:57:11PM -0700, Sivaprasad Tummala wrote:
> Currently sw eventdev pmd does not support ``rte_power_monitor`` api.
> This patch adds support by adding monitor callback that is called
> whenever we enter sleep state and need to check if it is time to
> wake up.
>
> Signed-off-by: Sivaprasad Tummala <sivaprasad.tumm...@amd.com>
> ---
> drivers/event/sw/sw_evdev.c | 1 +
> drivers/event/sw/sw_evdev.h | 2 ++
> drivers/event/sw/sw_evdev_worker.c | 27 +++++++++++++++++++++++++++
> 3 files changed, 30 insertions(+)
>
> diff --git a/drivers/event/sw/sw_evdev.c b/drivers/event/sw/sw_evdev.c
> index 6d1816b76d..99b3c0d92f 100644
> --- a/drivers/event/sw/sw_evdev.c
> +++ b/drivers/event/sw/sw_evdev.c
> @@ -958,6 +958,7 @@ sw_probe(struct rte_vdev_device *vdev)
> .port_link = sw_port_link,
> .port_unlink = sw_port_unlink,
> .port_unlinks_in_progress = sw_port_unlinks_in_progress,
> + .get_monitor_addr = sw_event_get_monitor_addr,
>
> .eth_rx_adapter_caps_get = sw_eth_rx_adapter_caps_get,
>
> diff --git a/drivers/event/sw/sw_evdev.h b/drivers/event/sw/sw_evdev.h
> index c7b943a72b..26aa2fe283 100644
> --- a/drivers/event/sw/sw_evdev.h
> +++ b/drivers/event/sw/sw_evdev.h
> @@ -312,6 +312,8 @@ int sw_xstats_reset(struct rte_eventdev *dev,
> int16_t queue_port_id,
> const uint64_t ids[],
> uint32_t nb_ids);
> +int sw_event_get_monitor_addr(void *port,
> + struct rte_power_monitor_cond *pmc);
>
> int test_sw_eventdev(void);
>
> diff --git a/drivers/event/sw/sw_evdev_worker.c
> b/drivers/event/sw/sw_evdev_worker.c
> index 063b919c7e..139c98cfe2 100644
> --- a/drivers/event/sw/sw_evdev_worker.c
> +++ b/drivers/event/sw/sw_evdev_worker.c
> @@ -10,6 +10,33 @@
>
> #define PORT_ENQUEUE_MAX_BURST_SIZE 64
>
> +static int
> +sw_event_ring_monitor_callback(const uint64_t value,
> + const uint64_t arg[RTE_POWER_MONITOR_OPAQUE_SZ])
> +{
> + /* Check if the head pointer has changed */
> + return value != arg[0];
> +}
> +
> +int
> +sw_event_get_monitor_addr(void *port, struct rte_power_monitor_cond *pmc)
> +{
> + struct sw_port *p = (void *)port;
^^^^^^ cast seems redundant