From: Pavan Nikhilesh <pbhagavat...@marvell.com>
Invalidate GWC on event port i.e., HWS reset to prevent
invalid response from SSO.
Signed-off-by: Pavan Nikhilesh <pbhagavat...@marvell.com>
---
drivers/common/cnxk/roc_sso.c | 31 +++++++++++++++++++++++++++++
drivers/common/cnxk/roc_sso.h | 2 ++
drivers/common/cnxk/version.map | 1 +
drivers/event/cnxk/cn10k_eventdev.c | 19 +++++++++++++++++-
4 files changed, 52 insertions(+), 1 deletion(-)
diff --git a/drivers/common/cnxk/roc_sso.c b/drivers/common/cnxk/roc_sso.c
index a5f48d5bbc..1ea0761531 100644
--- a/drivers/common/cnxk/roc_sso.c
+++ b/drivers/common/cnxk/roc_sso.c
@@ -357,6 +357,37 @@ roc_sso_hws_stats_get(struct roc_sso *roc_sso, uint8_t hws,
return rc;
}
+void
+roc_sso_hws_gwc_invalidate(struct roc_sso *roc_sso, uint8_t *hws,
+ uint8_t nb_hws)
+{
+ struct sso *sso = roc_sso_to_sso_priv(roc_sso);
+ struct ssow_lf_inv_req *req;
+ struct dev *dev = &sso->dev;
+ struct mbox *mbox;
+ int i;
+
+ if (!nb_hws)
+ return;
+
+ mbox = mbox_get(dev->mbox);
+ req = mbox_alloc_msg_sso_ws_cache_inv(mbox);
+ if (req == NULL) {
+ mbox_process(mbox);
+ req = mbox_alloc_msg_sso_ws_cache_inv(mbox);
+ if (req == NULL) {
+ mbox_put(mbox);
+ return;
+ }
+ }
+ req->hdr.ver = SSOW_INVAL_SELECTIVE_VER;
+ req->nb_hws = nb_hws;
+ for (i = 0; i < nb_hws; i++)
+ req->hws[i] = hws[i];
+ mbox_process(mbox);
+ mbox_put(mbox);
+}
+
int
roc_sso_hwgrp_stats_get(struct roc_sso *roc_sso, uint8_t hwgrp,
struct roc_sso_hwgrp_stats *stats)
diff --git a/drivers/common/cnxk/roc_sso.h b/drivers/common/cnxk/roc_sso.h
index a2bb6fcb22..8ee62afb9a 100644
--- a/drivers/common/cnxk/roc_sso.h
+++ b/drivers/common/cnxk/roc_sso.h
@@ -100,6 +100,8 @@ int __roc_api roc_sso_hwgrp_free_xaq_aura(struct roc_sso
*roc_sso,
int __roc_api roc_sso_hwgrp_stash_config(struct roc_sso *roc_sso,
struct roc_sso_hwgrp_stash *stash,
uint16_t nb_stash);
+void __roc_api roc_sso_hws_gwc_invalidate(struct roc_sso *roc_sso, uint8_t
*hws,
+ uint8_t nb_hws);
/* Debug */
void __roc_api roc_sso_dump(struct roc_sso *roc_sso, uint8_t nb_hws,
diff --git a/drivers/common/cnxk/version.map b/drivers/common/cnxk/version.map
index 8c71497df8..cfb7efbdc7 100644
--- a/drivers/common/cnxk/version.map
+++ b/drivers/common/cnxk/version.map
@@ -475,6 +475,7 @@ INTERNAL {
roc_sso_hws_base_get;
roc_sso_hws_link;
roc_sso_hws_stats_get;
+ roc_sso_hws_gwc_invalidate;
roc_sso_hws_unlink;
roc_sso_ns_to_gw;
roc_sso_rsrc_fini;
diff --git a/drivers/event/cnxk/cn10k_eventdev.c
b/drivers/event/cnxk/cn10k_eventdev.c
index 499a3aace7..56482c20a1 100644
--- a/drivers/event/cnxk/cn10k_eventdev.c
+++ b/drivers/event/cnxk/cn10k_eventdev.c
@@ -118,6 +118,7 @@ static int
cn10k_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 cn10k_sso_hws *ws = hws;
uint64_t cq_ds_cnt = 1;
@@ -128,6 +129,7 @@ cn10k_sso_hws_flush_events(void *hws, uint8_t queue_id,
uintptr_t base,
plt_write64(0, base + SSO_LF_GGRP_QCTL);
+ roc_sso_hws_gwc_invalidate(&dev->sso, &ws->hws_id, 1);
plt_write64(0, ws->base + SSOW_LF_GWS_OP_GWC_INVAL);
req = queue_id; /* GGRP ID */
req |= BIT_ULL(18); /* Grouped */
@@ -162,6 +164,7 @@ cn10k_sso_hws_flush_events(void *hws, uint8_t queue_id,
uintptr_t base,
return -EAGAIN;
plt_write64(0, ws->base + SSOW_LF_GWS_OP_GWC_INVAL);
+ roc_sso_hws_gwc_invalidate(&dev->sso, &ws->hws_id, 1);
rte_mb();
return 0;
@@ -181,6 +184,7 @@ cn10k_sso_hws_reset(void *arg, void *hws)
uint8_t pend_tt;
bool is_pend;
+ roc_sso_hws_gwc_invalidate(&dev->sso, &ws->hws_id, 1);
plt_write64(0, ws->base + SSOW_LF_GWS_OP_GWC_INVAL);
/* Wait till getwork/swtp/waitw/desched completes. */
is_pend = false;
@@ -237,6 +241,7 @@ cn10k_sso_hws_reset(void *arg, void *hws)
}
plt_write64(0, base + SSOW_LF_GWS_OP_GWC_INVAL);
+ roc_sso_hws_gwc_invalidate(&dev->sso, &ws->hws_id, 1);
rte_mb();
}
@@ -670,7 +675,9 @@ cn10k_sso_configure_queue_stash(struct rte_eventdev
*event_dev)
static int
cn10k_sso_start(struct rte_eventdev *event_dev)
{
- int rc;
+ struct cnxk_sso_evdev *dev = cnxk_sso_pmd_priv(event_dev);
+ uint8_t hws[RTE_EVENT_MAX_PORTS_PER_DEV];
+ int rc, i;
rc = cn10k_sso_updt_tx_adptr_data(event_dev);
if (rc < 0)
@@ -682,6 +689,9 @@ cn10k_sso_start(struct rte_eventdev *event_dev)
if (rc < 0)
return rc;
cn10k_sso_fp_fns_set(event_dev);
+ for (i = 0; i < event_dev->data->nb_ports; i++)
+ hws[i] = i;
+ roc_sso_hws_gwc_invalidate(&dev->sso, hws, event_dev->data->nb_ports);
return rc;
}
@@ -689,6 +699,13 @@ cn10k_sso_start(struct rte_eventdev *event_dev)
static void
cn10k_sso_stop(struct rte_eventdev *event_dev)
{
+ struct cnxk_sso_evdev *dev = cnxk_sso_pmd_priv(event_dev);
+ uint8_t hws[RTE_EVENT_MAX_PORTS_PER_DEV];
+ int i;
+
+ for (i = 0; i < event_dev->data->nb_ports; i++)
+ hws[i] = i;
+ roc_sso_hws_gwc_invalidate(&dev->sso, hws, event_dev->data->nb_ports);
cnxk_sso_stop(event_dev, cn10k_sso_hws_reset,
cn10k_sso_hws_flush_events);
}
--
2.41.0
