event/octeontx2: add devargs to modify chunk slots

[dpdk.git] / drivers / event / octeontx2 / otx2_tim_evdev.c

diff --git a/drivers/event/octeontx2/otx2_tim_evdev.c b/drivers/event/octeontx2/otx2_tim_evdev.c
index 5517a6b..2c12fd2 100644 (file)
--- a/drivers/event/octeontx2/otx2_tim_evdev.c
+++ b/drivers/event/octeontx2/otx2_tim_evdev.c
@@ -240,7 +240,7 @@ otx2_tim_ring_create(struct rte_event_timer_adapter *adptr)
        tim_ring->tck_nsec = RTE_ALIGN_MUL_CEIL(rcfg->timer_tick_ns, 10);
        tim_ring->max_tout = rcfg->max_tmo_ns;
        tim_ring->nb_bkts = (tim_ring->max_tout / tim_ring->tck_nsec);
-       tim_ring->chunk_sz = OTX2_TIM_RING_DEF_CHUNK_SZ;
+       tim_ring->chunk_sz = dev->chunk_sz;
        nb_timers = rcfg->nb_timers;
        tim_ring->disable_npa = dev->disable_npa;
 
@@ -356,6 +356,7 @@ otx2_tim_caps_get(const struct rte_eventdev *evdev, uint64_t flags,
 }
 
 #define OTX2_TIM_DISABLE_NPA   "tim_disable_npa"
+#define OTX2_TIM_CHNK_SLOTS    "tim_chnk_slots"
 
 static void
 tim_parse_devargs(struct rte_devargs *devargs, struct otx2_tim_evdev *dev)
@@ -371,6 +372,8 @@ tim_parse_devargs(struct rte_devargs *devargs, struct otx2_tim_evdev *dev)
 
        rte_kvargs_process(kvlist, OTX2_TIM_DISABLE_NPA,
                           &parse_kvargs_flag, &dev->disable_npa);
+       rte_kvargs_process(kvlist, OTX2_TIM_CHNK_SLOTS,
+                          &parse_kvargs_value, &dev->chunk_slots);
 }
 
 void
@@ -424,6 +427,15 @@ otx2_tim_init(struct rte_pci_device *pci_dev, struct otx2_dev *cmn_dev)
                goto mz_free;
        }
 
+       if (dev->chunk_slots &&
+           dev->chunk_slots <= OTX2_TIM_MAX_CHUNK_SLOTS &&
+           dev->chunk_slots >= OTX2_TIM_MIN_CHUNK_SLOTS) {
+               dev->chunk_sz = (dev->chunk_slots + 1) *
+                       OTX2_TIM_CHUNK_ALIGNMENT;
+       } else {
+               dev->chunk_sz = OTX2_TIM_RING_DEF_CHUNK_SZ;
+       }
+
        return;
 
 mz_free: