Commit 27a1aec5 authored by Prabhakar Kushwaha's avatar Prabhakar Kushwaha Committed by Zheng Zengkai
Browse files

RDMA/qedr: Improve error logs for rdma_alloc_tid error return 

stable inclusion
from stable-v5.10.137
commit aaa1a81506570ea24b63e36faf637d76a298be2e
category: bugfix
bugzilla: https://gitee.com/openeuler/kernel/issues/I60PLB

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=aaa1a81506570ea24b63e36faf637d76a298be2e

--------------------------------

[ Upstream commit 0050a576 ]

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

Link: https://lore.kernel.org/r/20210729151732.30995-2-pkushwaha@marvell.com


Signed-off-by: default avatarShai Malin <smalin@marvell.com>
Signed-off-by: default avatarAriel Elior <aelior@marvell.com>
Signed-off-by: default avatarPrabhakar Kushwaha <pkushwaha@marvell.com>
Signed-off-by: default avatarJason Gunthorpe <jgg@nvidia.com>
Signed-off-by: default avatarSasha Levin <sashal@kernel.org>
Signed-off-by: default avatarZheng Zengkai <zhengzengkai@huawei.com>
Reviewed-by: default avatarWei Li <liwei391@huawei.com>
parent 432554a8

drivers/infiniband/hw/qedr/verbs.c

+15 −3
Original line number Diff line number Diff line
@@ -2989,7 +2989,11 @@ 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;

	}
@@ -3084,7 +3088,11 @@ 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;

	}
@@ -3214,7 +3222,11 @@ 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;

	}