diff mbox series

[v4,11/14] eventdev: move timer adapters memory to hugepage

Message ID 20211015190221.2160-11-pbhagavatula@marvell.com (mailing list archive)
State Superseded, archived
Delegated to: Jerin Jacob
Headers
Series [v4,01/14] eventdev: make driver interface as internal |

Checks

Context Check Description
ci/checkpatch success coding style OK

Commit Message

Pavan Nikhilesh Bhagavatula Oct. 15, 2021, 7:02 p.m. UTC 
  From: Pavan Nikhilesh <pbhagavatula@marvell.com>

Move memory used by timer adapters to hugepage.
Allocate memory on the first adapter create or lookup to address
both primary and secondary process usecases.
This will prevent TLB misses if any and aligns to memory structure
of other subsystems.

Signed-off-by: Pavan Nikhilesh <pbhagavatula@marvell.com>
---
 lib/eventdev/rte_event_timer_adapter.c | 36 ++++++++++++++++++++++++--
 1 file changed, 34 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/lib/eventdev/rte_event_timer_adapter.c b/lib/eventdev/rte_event_timer_adapter.c
index ae55407042..894f532ef0 100644
--- a/lib/eventdev/rte_event_timer_adapter.c
+++ b/lib/eventdev/rte_event_timer_adapter.c
@@ -33,7 +33,7 @@  RTE_LOG_REGISTER_SUFFIX(evtim_logtype, adapter.timer, NOTICE);
 RTE_LOG_REGISTER_SUFFIX(evtim_buffer_logtype, adapter.timer, NOTICE);
 RTE_LOG_REGISTER_SUFFIX(evtim_svc_logtype, adapter.timer.svc, NOTICE);
 
-static struct rte_event_timer_adapter adapters[RTE_EVENT_TIMER_ADAPTER_NUM_MAX];
+static struct rte_event_timer_adapter *adapters;
 
 static const struct event_timer_adapter_ops swtim_ops;
 
@@ -138,6 +138,17 @@  rte_event_timer_adapter_create_ext(
 	int n, ret;
 	struct rte_eventdev *dev;
 
+	if (adapters == NULL) {
+		adapters = rte_zmalloc("Eventdev",
+				       sizeof(struct rte_event_timer_adapter) *
+					       RTE_EVENT_TIMER_ADAPTER_NUM_MAX,
+				       RTE_CACHE_LINE_SIZE);
+		if (adapters == NULL) {
+			rte_errno = ENOMEM;
+			return NULL;
+		}
+	}
+
 	if (conf == NULL) {
 		rte_errno = EINVAL;
 		return NULL;
@@ -312,6 +323,17 @@  rte_event_timer_adapter_lookup(uint16_t adapter_id)
 	int ret;
 	struct rte_eventdev *dev;
 
+	if (adapters == NULL) {
+		adapters = rte_zmalloc("Eventdev",
+				       sizeof(struct rte_event_timer_adapter) *
+					       RTE_EVENT_TIMER_ADAPTER_NUM_MAX,
+				       RTE_CACHE_LINE_SIZE);
+		if (adapters == NULL) {
+			rte_errno = ENOMEM;
+			return NULL;
+		}
+	}
+
 	if (adapters[adapter_id].allocated)
 		return &adapters[adapter_id]; /* Adapter is already loaded */
 
@@ -358,7 +380,7 @@  rte_event_timer_adapter_lookup(uint16_t adapter_id)
 int
 rte_event_timer_adapter_free(struct rte_event_timer_adapter *adapter)
 {
-	int ret;
+	int i, ret;
 
 	ADAPTER_VALID_OR_ERR_RET(adapter, -EINVAL);
 	FUNC_PTR_OR_ERR_RET(adapter->ops->uninit, -EINVAL);
@@ -382,6 +404,16 @@  rte_event_timer_adapter_free(struct rte_event_timer_adapter *adapter)
 	adapter->data = NULL;
 	adapter->allocated = 0;
 
+	ret = 0;
+	for (i = 0; i < RTE_EVENT_TIMER_ADAPTER_NUM_MAX; i++)
+		if (adapters[i].allocated)
+			ret = adapter[i].allocated;
+
+	if (!ret) {
+		rte_free(adapters);
+		adapters = NULL;
+	}
+
 	rte_eventdev_trace_timer_adapter_free(adapter);
 	return 0;
 }