diff --git a/drivers/event/cnxk/cn10k_eventdev.c b/drivers/event/cnxk/cn10k_eventdev.c index b0a4c8a98b..77f0c28160 100644 --- a/drivers/event/cnxk/cn10k_eventdev.c +++ b/drivers/event/cnxk/cn10k_eventdev.c @@ -108,10 +108,11 @@ cn10k_sso_hws_release(void *arg, void *hws) memset(ws, 0, sizeof(*ws)); } -static void +static int cn10k_sso_hws_flush_events(void *hws, uint8_t queue_id, uintptr_t base, cnxk_handle_event_t fn, void *arg) { + uint64_t retry = CNXK_SSO_FLUSH_RETRY_MAX; struct cn10k_sso_hws *ws = hws; uint64_t cq_ds_cnt = 1; uint64_t aq_cnt = 1; @@ -141,6 +142,8 @@ cn10k_sso_hws_flush_events(void *hws, uint8_t queue_id, uintptr_t base, fn(arg, ev); if (ev.sched_type != SSO_TT_EMPTY) cnxk_sso_hws_swtag_flush(ws->base); + else if (retry-- == 0) + break; do { val = plt_read64(ws->base + SSOW_LF_GWS_PENDSTATE); } while (val & BIT_ULL(56)); @@ -151,8 +154,13 @@ cn10k_sso_hws_flush_events(void *hws, uint8_t queue_id, uintptr_t base, cq_ds_cnt &= 0x3FFF3FFF0000; } + if (aq_cnt || cq_ds_cnt || ds_cnt) + return -EAGAIN; + plt_write64(0, ws->base + SSOW_LF_GWS_OP_GWC_INVAL); rte_mb(); + + return 0; } static void diff --git a/drivers/event/cnxk/cn9k_eventdev.c b/drivers/event/cnxk/cn9k_eventdev.c index 2908842370..4d45f02c1c 100644 --- a/drivers/event/cnxk/cn9k_eventdev.c +++ b/drivers/event/cnxk/cn9k_eventdev.c @@ -117,11 +117,12 @@ cn9k_sso_hws_release(void *arg, void *hws) } } -static void +static int cn9k_sso_hws_flush_events(void *hws, uint8_t queue_id, uintptr_t base, cnxk_handle_event_t fn, void *arg) { struct cnxk_sso_evdev *dev = cnxk_sso_pmd_priv(arg); + uint64_t retry = CNXK_SSO_FLUSH_RETRY_MAX; struct cnxk_timesync_info *tstamp; struct cn9k_sso_hws_dual *dws; struct cn9k_sso_hws *ws; @@ -164,6 +165,8 @@ cn9k_sso_hws_flush_events(void *hws, uint8_t queue_id, uintptr_t base, fn(arg, ev); if (ev.sched_type != SSO_TT_EMPTY) cnxk_sso_hws_swtag_flush(ws_base); + else if (retry-- == 0) + break; do { val = plt_read64(ws_base + SSOW_LF_GWS_PENDSTATE); } while (val & BIT_ULL(56)); @@ -174,7 +177,12 @@ cn9k_sso_hws_flush_events(void *hws, uint8_t queue_id, uintptr_t base, cq_ds_cnt &= 0x3FFF3FFF0000; } + if (aq_cnt || cq_ds_cnt || ds_cnt) + return -EAGAIN; + plt_write64(0, ws_base + SSOW_LF_GWS_OP_GWC_INVAL); + + return 0; } static void diff --git a/drivers/event/cnxk/cnxk_eventdev.c b/drivers/event/cnxk/cnxk_eventdev.c index a2829b817e..b66f241ef8 100644 --- a/drivers/event/cnxk/cnxk_eventdev.c +++ b/drivers/event/cnxk/cnxk_eventdev.c @@ -464,9 +464,10 @@ static void cnxk_sso_cleanup(struct rte_eventdev *event_dev, cnxk_sso_hws_reset_t reset_fn, cnxk_sso_hws_flush_t flush_fn, uint8_t enable) { + uint8_t pend_list[RTE_EVENT_MAX_QUEUES_PER_DEV], pend_cnt, new_pcnt; struct cnxk_sso_evdev *dev = cnxk_sso_pmd_priv(event_dev); uintptr_t hwgrp_base; - uint16_t i; + uint8_t queue_id, i; void *ws; for (i = 0; i < dev->nb_event_ports; i++) { @@ -475,14 +476,30 @@ cnxk_sso_cleanup(struct rte_eventdev *event_dev, cnxk_sso_hws_reset_t reset_fn, } rte_mb(); + + /* Consume all the events through HWS0 */ ws = event_dev->data->ports[0]; - for (i = 0; i < dev->nb_event_queues; i++) { - /* Consume all the events through HWS0 */ - hwgrp_base = roc_sso_hwgrp_base_get(&dev->sso, i); - flush_fn(ws, i, hwgrp_base, cnxk_handle_event, event_dev); - /* Enable/Disable SSO GGRP */ - plt_write64(enable, hwgrp_base + SSO_LF_GGRP_QCTL); + /* Starting list of queues to flush */ + pend_cnt = dev->nb_event_queues; + for (i = 0; i < dev->nb_event_queues; i++) + pend_list[i] = i; + + while (pend_cnt) { + new_pcnt = 0; + for (i = 0; i < pend_cnt; i++) { + queue_id = pend_list[i]; + hwgrp_base = + roc_sso_hwgrp_base_get(&dev->sso, queue_id); + if (flush_fn(ws, queue_id, hwgrp_base, + cnxk_handle_event, event_dev)) { + pend_list[new_pcnt++] = queue_id; + continue; + } + /* Enable/Disable SSO GGRP */ + plt_write64(enable, hwgrp_base + SSO_LF_GGRP_QCTL); + } + pend_cnt = new_pcnt; } } diff --git a/drivers/event/cnxk/cnxk_eventdev.h b/drivers/event/cnxk/cnxk_eventdev.h index 531f6d1a84..6c05303a68 100644 --- a/drivers/event/cnxk/cnxk_eventdev.h +++ b/drivers/event/cnxk/cnxk_eventdev.h @@ -61,6 +61,8 @@ #define CNXK_QOS_NORMALIZE(val, min, max, cnt) \ (min + val / ((max + cnt - 1) / cnt)) +#define CNXK_SSO_FLUSH_RETRY_MAX 0xfff + #define CNXK_VALID_DEV_OR_ERR_RET(dev, drv_name) \ do { \ if (strncmp(dev->driver->name, drv_name, strlen(drv_name))) \ @@ -76,8 +78,8 @@ typedef int (*cnxk_sso_unlink_t)(void *dev, void *ws, uint16_t *map, uint16_t nb_link); typedef void (*cnxk_handle_event_t)(void *arg, struct rte_event ev); typedef void (*cnxk_sso_hws_reset_t)(void *arg, void *ws); -typedef void (*cnxk_sso_hws_flush_t)(void *ws, uint8_t queue_id, uintptr_t base, - cnxk_handle_event_t fn, void *arg); +typedef int (*cnxk_sso_hws_flush_t)(void *ws, uint8_t queue_id, uintptr_t base, + cnxk_handle_event_t fn, void *arg); struct cnxk_sso_qos { uint16_t queue;