Add roc_npa_aura_op_available_wait() API which can be used to wait
until an NPA pool gets filled up to a certain count of pointers.
Signed-off-by: Ashwin Sekhar T K <asek...@marvell.com>
---
drivers/common/cnxk/roc_npa.h | 26 ++++++++++++++++++++++++++
1 file changed, 26 insertions(+)
diff --git a/drivers/common/cnxk/roc_npa.h b/drivers/common/cnxk/roc_npa.h
index 46350fdb48..d05c5c4af4 100644
--- a/drivers/common/cnxk/roc_npa.h
+++ b/drivers/common/cnxk/roc_npa.h
@@ -155,6 +155,32 @@ roc_npa_aura_op_available(uint64_t aura_handle)
return reg & 0xFFFFFFFFF;
}
+/* Wait for a given timeout, repeatedly checking whether the available
+ * pointers has reached the given count. Returns the available pointer
+ * count if it has reached the given count or if timeout has expired
+ */
+static inline uint32_t
+roc_npa_aura_op_available_wait(uint64_t aura_handle, uint32_t count,
+ uint32_t tmo_ms)
+{
+#define OP_AVAIL_WAIT_MS_DEFAULT (100)
+#define OP_AVAIL_CHECK_INTERVAL_MS (1)
+ uint32_t op_avail;
+ int retry;
+
+ tmo_ms = tmo_ms ? tmo_ms : OP_AVAIL_WAIT_MS_DEFAULT;
+
+ retry = tmo_ms / OP_AVAIL_CHECK_INTERVAL_MS;
+ op_avail = roc_npa_aura_op_available(aura_handle);
+ while (retry && (op_avail < count)) {
+ plt_delay_ms(OP_AVAIL_CHECK_INTERVAL_MS);
+ op_avail = roc_npa_aura_op_available(aura_handle);
+ retry--;
+ }
+
+ return op_avail;
+}
+
static inline uint64_t
roc_npa_pool_op_performance_counter(uint64_t aura_handle, const int drop)
{
--
2.32.0
