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From: Prabhakar Kushwaha <pkushwaha@marvell.com>
To: <linux-rdma@vger.kernel.org>, <dledford@redhat.com>,
	<jgg@nvidia.com>, <mkalderon@marvell.com>
Cc: <davem@davemloft.net>, <kuba@kernel.org>, <smalin@marvell.com>,
	<aelior@marvell.com>, <pkushwaha@marvell.com>,
	<prabhakar.pkin@gmail.com>, <malin1024@gmail.com>
Subject: [PATCH 2/2] qedr: Improve error logs for rdma_alloc_tid error return
Date: Thu, 29 Jul 2021 18:17:32 +0300	[thread overview]
Message-ID: <20210729151732.30995-2-pkushwaha@marvell.com> (raw)
In-Reply-To: <20210729151732.30995-1-pkushwaha@marvell.com>

Use -EINVAL return type to identify whether error is returned
because of "Out of MR resources" or any other error types.

Signed-off-by: Shai Malin <smalin@marvell.com>
Signed-off-by: Ariel Elior <aelior@marvell.com>
Signed-off-by: Prabhakar Kushwaha <pkushwaha@marvell.com>
---
 drivers/infiniband/hw/qedr/verbs.c | 18 +++++++++++++++---
 1 file changed, 15 insertions(+), 3 deletions(-)

diff --git a/drivers/infiniband/hw/qedr/verbs.c b/drivers/infiniband/hw/qedr/verbs.c
index fdc47ef7d861..b72ef24db657 100644
--- a/drivers/infiniband/hw/qedr/verbs.c
+++ b/drivers/infiniband/hw/qedr/verbs.c
@@ -2996,7 +2996,11 @@ struct ib_mr *qedr_reg_user_mr(struct ib_pd *ibpd, u64 start, u64 len,
 
 	rc = dev->ops->rdma_alloc_tid(dev->rdma_ctx, &mr->hw_mr.itid);
 	if (rc) {
-		DP_ERR(dev, "roce alloc tid returned an error %d\n", rc);
+		if (rc == -EINVAL)
+			DP_ERR(dev, "Out of MR resources\n");
+		else
+			DP_ERR(dev, "roce alloc tid returned error %d\n", rc);
+
 		goto err1;
 	}
 
@@ -3091,7 +3095,11 @@ static struct qedr_mr *__qedr_alloc_mr(struct ib_pd *ibpd,
 
 	rc = dev->ops->rdma_alloc_tid(dev->rdma_ctx, &mr->hw_mr.itid);
 	if (rc) {
-		DP_ERR(dev, "roce alloc tid returned an error %d\n", rc);
+		if (rc == -EINVAL)
+			DP_ERR(dev, "Out of MR resources\n");
+		else
+			DP_ERR(dev, "roce alloc tid returned error %d\n", rc);
+
 		goto err0;
 	}
 
@@ -3221,7 +3229,11 @@ struct ib_mr *qedr_get_dma_mr(struct ib_pd *ibpd, int acc)
 
 	rc = dev->ops->rdma_alloc_tid(dev->rdma_ctx, &mr->hw_mr.itid);
 	if (rc) {
-		DP_ERR(dev, "roce alloc tid returned an error %d\n", rc);
+		if (rc == -EINVAL)
+			DP_ERR(dev, "Out of MR resources\n");
+		else
+			DP_ERR(dev, "roce alloc tid returned error %d\n", rc);
+
 		goto err1;
 	}
 
-- 
2.24.1


  reply	other threads:[~2021-07-29 15:17 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-29 15:17 [PATCH 1/2] qed: Use accurate error num in qed_cxt_dynamic_ilt_alloc Prabhakar Kushwaha
2021-07-29 15:17 ` Prabhakar Kushwaha [this message]
2021-07-30 14:33 ` Jason Gunthorpe

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