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To: <jerinj@marvell.com>, Nithin Dabilpuram <ndabilpuram@marvell.com>, "Kiran
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"Pavan Nikhilesh" <pbhagavatula@marvell.com>,
Shijith Thotton <sthotton@marvell.com>
CC: <dev@dpdk.org>
Subject: [PATCH v2 10/21] event/cnxk: add CN20K event port preschedule
Date: Tue, 22 Oct 2024 02:27:33 +0530
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From: Pavan Nikhilesh <pbhagavatula@marvell.com>
Add CN20K event port preschedule modify and preschedule
functions.
Signed-off-by: Pavan Nikhilesh <pbhagavatula@marvell.com>
---
drivers/common/cnxk/hw/ssow.h | 1 +
drivers/event/cnxk/cn20k_eventdev.c | 2 ++
drivers/event/cnxk/cn20k_worker.c | 30 +++++++++++++++++++++++++++++
drivers/event/cnxk/cn20k_worker.h | 3 +++
4 files changed, 36 insertions(+)
diff --git a/drivers/common/cnxk/hw/ssow.h b/drivers/common/cnxk/hw/ssow.h
index c146a8c3ef..ec6bd7896b 100644
--- a/drivers/common/cnxk/hw/ssow.h
+++ b/drivers/common/cnxk/hw/ssow.h
@@ -37,6 +37,7 @@
#define SSOW_LF_GWS_PRF_WQE1 (0x448ull) /* [CN10K, .) */
#define SSOW_LF_GWS_OP_GET_WORK0 (0x600ull)
#define SSOW_LF_GWS_OP_GET_WORK1 (0x608ull) /* [CN10K, .) */
+#define SSOW_LF_GWS_OP_PRF_GETWORK (0x610ull) /* [CN20K, .) */
#define SSOW_LF_GWS_OP_SWTAG_FLUSH (0x800ull)
#define SSOW_LF_GWS_OP_SWTAG_UNTAG (0x810ull)
#define SSOW_LF_GWS_OP_SWTP_CLR (0x820ull)
diff --git a/drivers/event/cnxk/cn20k_eventdev.c b/drivers/event/cnxk/cn20k_eventdev.c
index 13d293f1d3..6289480c42 100644
--- a/drivers/event/cnxk/cn20k_eventdev.c
+++ b/drivers/event/cnxk/cn20k_eventdev.c
@@ -123,6 +123,8 @@ cn20k_sso_fp_fns_set(struct rte_eventdev *event_dev)
event_dev->dequeue_burst = cn20k_sso_hws_tmo_deq_burst;
event_dev->profile_switch = cn20k_sso_hws_profile_switch;
+ event_dev->preschedule_modify = cn20k_sso_hws_preschedule_modify;
+ event_dev->preschedule = cn20k_sso_hws_preschedule;
#else
RTE_SET_USED(event_dev);
#endif
diff --git a/drivers/event/cnxk/cn20k_worker.c b/drivers/event/cnxk/cn20k_worker.c
index 224ab64b1e..b0196e9885 100644
--- a/drivers/event/cnxk/cn20k_worker.c
+++ b/drivers/event/cnxk/cn20k_worker.c
@@ -390,6 +390,36 @@ cn20k_sso_hws_profile_switch(void *port, uint8_t profile)
return 0;
}
+int __rte_hot
+cn20k_sso_hws_preschedule_modify(void *port, enum rte_event_dev_preschedule_type type)
+{
+ struct cn20k_sso_hws *ws = port;
+
+ ws->gw_wdata &= ~(BIT(19) | BIT(20));
+ switch (type) {
+ default:
+ case RTE_EVENT_PRESCHEDULE_NONE:
+ break;
+ case RTE_EVENT_PRESCHEDULE:
+ ws->gw_wdata |= BIT(19);
+ break;
+ case RTE_EVENT_PRESCHEDULE_ADAPTIVE:
+ ws->gw_wdata |= BIT(19) | BIT(20);
+ break;
+ }
+
+ return 0;
+}
+
+void __rte_hot
+cn20k_sso_hws_preschedule(void *port, enum rte_event_dev_preschedule_type type)
+{
+ struct cn20k_sso_hws *ws = port;
+
+ RTE_SET_USED(type);
+ plt_write64(ws->gw_wdata, ws->base + SSOW_LF_GWS_OP_PRF_GETWORK);
+}
+
uint16_t __rte_hot
cn20k_sso_hws_deq(void *port, struct rte_event *ev, uint64_t timeout_ticks)
{
diff --git a/drivers/event/cnxk/cn20k_worker.h b/drivers/event/cnxk/cn20k_worker.h
index 447f28f0f2..dd8b72bc53 100644
--- a/drivers/event/cnxk/cn20k_worker.h
+++ b/drivers/event/cnxk/cn20k_worker.h
@@ -146,6 +146,9 @@ uint16_t __rte_hot cn20k_sso_hws_enq_new_burst(void *port, const struct rte_even
uint16_t __rte_hot cn20k_sso_hws_enq_fwd_burst(void *port, const struct rte_event ev[],
uint16_t nb_events);
int __rte_hot cn20k_sso_hws_profile_switch(void *port, uint8_t profile);
+int __rte_hot cn20k_sso_hws_preschedule_modify(void *port,
+ enum rte_event_dev_preschedule_type type);
+void __rte_hot cn20k_sso_hws_preschedule(void *port, enum rte_event_dev_preschedule_type type);
uint16_t __rte_hot cn20k_sso_hws_deq(void *port, struct rte_event *ev, uint64_t timeout_ticks);
uint16_t __rte_hot cn20k_sso_hws_deq_burst(void *port, struct rte_event ev[], uint16_t nb_events,
--
2.25.1