From: Anoob Joseph <anoobj@marvell.com>
Date: Fri, 17 Dec 2021 09:20:03 +0000 (+0530)
Subject: crypto/cnxk: add more info on command timeout
X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=5c374e9d7442744e302eb7d349307a4d2951c9f1;p=dpdk.git

crypto/cnxk: add more info on command timeout

Print more info when command timeout happens. Print software and
hardware queue information.

Signed-off-by: Anoob Joseph <anoobj@marvell.com>
Signed-off-by: Tejasree Kondoj <ktejasree@marvell.com>
Acked-by: Akhil Goyal <gakhil@marvell.com>
---

diff --git a/drivers/common/cnxk/hw/cpt.h b/drivers/common/cnxk/hw/cpt.h
index 412dd763ce..4d9c89697b 100644
--- a/drivers/common/cnxk/hw/cpt.h
+++ b/drivers/common/cnxk/hw/cpt.h
@@ -91,6 +91,17 @@ union cpt_lf_inprog {
 	} s;
 };
 
+union cpt_lf_q_inst_ptr {
+	uint64_t u;
+	struct cpt_lf_q_inst_ptr_s {
+		uint64_t dq_ptr : 20;
+		uint64_t reserved_20_31 : 12;
+		uint64_t nq_ptr : 20;
+		uint64_t reserved_52_62 : 11;
+		uint64_t xq_xor : 1;
+	} s;
+};
+
 union cpt_lf_q_base {
 	uint64_t u;
 	struct cpt_lf_q_base_s {
diff --git a/drivers/crypto/cnxk/cn10k_cryptodev_ops.c b/drivers/crypto/cnxk/cn10k_cryptodev_ops.c
index f8240e1923..1905ea394a 100644
--- a/drivers/crypto/cnxk/cn10k_cryptodev_ops.c
+++ b/drivers/crypto/cnxk/cn10k_cryptodev_ops.c
@@ -548,6 +548,7 @@ cn10k_cpt_dequeue_burst(void *qptr, struct rte_crypto_op **ops, uint16_t nb_ops)
 			if (unlikely(rte_get_timer_cycles() >
 				     pend_q->time_out)) {
 				plt_err("Request timed out");
+				cnxk_cpt_dump_on_err(qp);
 				pend_q->time_out = rte_get_timer_cycles() +
 						   DEFAULT_COMMAND_TIMEOUT *
 							   rte_get_timer_hz();
diff --git a/drivers/crypto/cnxk/cn9k_cryptodev_ops.c b/drivers/crypto/cnxk/cn9k_cryptodev_ops.c
index cf80d47301..ac1953b66d 100644
--- a/drivers/crypto/cnxk/cn9k_cryptodev_ops.c
+++ b/drivers/crypto/cnxk/cn9k_cryptodev_ops.c
@@ -547,6 +547,7 @@ cn9k_cpt_dequeue_burst(void *qptr, struct rte_crypto_op **ops, uint16_t nb_ops)
 			if (unlikely(rte_get_timer_cycles() >
 				     pend_q->time_out)) {
 				plt_err("Request timed out");
+				cnxk_cpt_dump_on_err(qp);
 				pend_q->time_out = rte_get_timer_cycles() +
 						   DEFAULT_COMMAND_TIMEOUT *
 							   rte_get_timer_hz();
diff --git a/drivers/crypto/cnxk/cnxk_cryptodev_ops.c b/drivers/crypto/cnxk/cnxk_cryptodev_ops.c
index 7953a081e4..67a2d9b08e 100644
--- a/drivers/crypto/cnxk/cnxk_cryptodev_ops.c
+++ b/drivers/crypto/cnxk/cnxk_cryptodev_ops.c
@@ -703,3 +703,46 @@ cnxk_ae_session_cfg(struct rte_cryptodev *dev,
 
 	return 0;
 }
+
+void
+cnxk_cpt_dump_on_err(struct cnxk_cpt_qp *qp)
+{
+	struct pending_queue *pend_q = &qp->pend_q;
+	uint64_t inflight, enq_ptr, deq_ptr, insts;
+	union cpt_lf_q_inst_ptr inst_ptr;
+	union cpt_lf_inprog lf_inprog;
+
+	plt_print("Lcore ID: %d, LF/QP ID: %d", rte_lcore_id(), qp->lf.lf_id);
+	plt_print("");
+	plt_print("S/w pending queue:");
+	plt_print("\tHead: %"PRIu64"", pend_q->head);
+	plt_print("\tTail: %"PRIu64"", pend_q->tail);
+	plt_print("\tMask: 0x%"PRIx64"", pend_q->pq_mask);
+	plt_print("\tInflight count: %"PRIu64"",
+		  pending_queue_infl_cnt(pend_q->head, pend_q->tail,
+					 pend_q->pq_mask));
+
+	plt_print("");
+	plt_print("H/w pending queue:");
+
+	lf_inprog.u = plt_read64(qp->lf.rbase + CPT_LF_INPROG);
+	inflight = lf_inprog.s.inflight;
+	plt_print("\tInflight in engines: %"PRIu64"", inflight);
+
+	inst_ptr.u = plt_read64(qp->lf.rbase + CPT_LF_Q_INST_PTR);
+
+	enq_ptr = inst_ptr.s.nq_ptr;
+	deq_ptr = inst_ptr.s.dq_ptr;
+
+	if (enq_ptr >= deq_ptr)
+		insts = enq_ptr - deq_ptr;
+	else
+		insts = (enq_ptr + pend_q->pq_mask + 1 + 320 + 40) - deq_ptr;
+
+	plt_print("\tNQ ptr: 0x%"PRIx64"", enq_ptr);
+	plt_print("\tDQ ptr: 0x%"PRIx64"", deq_ptr);
+	plt_print("Insts waiting in CPT: %"PRIu64"", insts);
+
+	plt_print("");
+	roc_cpt_afs_print(qp->lf.roc_cpt);
+}
diff --git a/drivers/crypto/cnxk/cnxk_cryptodev_ops.h b/drivers/crypto/cnxk/cnxk_cryptodev_ops.h
index 0336ae102e..e521f07585 100644
--- a/drivers/crypto/cnxk/cnxk_cryptodev_ops.h
+++ b/drivers/crypto/cnxk/cnxk_cryptodev_ops.h
@@ -122,6 +122,7 @@ int cnxk_ae_session_cfg(struct rte_cryptodev *dev,
 			struct rte_crypto_asym_xform *xform,
 			struct rte_cryptodev_asym_session *sess,
 			struct rte_mempool *pool);
+void cnxk_cpt_dump_on_err(struct cnxk_cpt_qp *qp);
 
 static inline union rte_event_crypto_metadata *
 cnxk_event_crypto_mdata_get(struct rte_crypto_op *op)