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From: Leon Romanovsky <leon@kernel.org>
To: Doug Ledford <dledford@redhat.com>, Jason Gunthorpe <jgg@nvidia.com>
Cc: Leon Romanovsky <leonro@mellanox.com>,
	linux-rdma@vger.kernel.org, Yishai Hadas <yishaih@nvidia.com>
Subject: [PATCH rdma-next v2 7/9] RDMA: Change XRCD destroy return value
Date: Mon,  7 Sep 2020 15:09:19 +0300	[thread overview]
Message-ID: <20200907120921.476363-8-leon@kernel.org> (raw)
In-Reply-To: <20200907120921.476363-1-leon@kernel.org>

From: Leon Romanovsky <leonro@mellanox.com>

Update XRCD destroy flow to allow command failure.

Fixes: 28ad5f65c314 ("RDMA: Move XRCD to be under ib_core responsibility")
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
---
 drivers/infiniband/core/verbs.c      | 8 ++++++--
 drivers/infiniband/hw/mlx4/main.c    | 3 ++-
 drivers/infiniband/hw/mlx5/mlx5_ib.h | 2 +-
 drivers/infiniband/hw/mlx5/qp.c      | 4 ++--
 include/rdma/ib_verbs.h              | 2 +-
 5 files changed, 12 insertions(+), 7 deletions(-)

diff --git a/drivers/infiniband/core/verbs.c b/drivers/infiniband/core/verbs.c
index 93503f10bcbb..117265616cd0 100644
--- a/drivers/infiniband/core/verbs.c
+++ b/drivers/infiniband/core/verbs.c
@@ -2345,13 +2345,17 @@ EXPORT_SYMBOL(ib_alloc_xrcd_user);
  */
 int ib_dealloc_xrcd_user(struct ib_xrcd *xrcd, struct ib_udata *udata)
 {
+	int ret;
+
 	if (atomic_read(&xrcd->usecnt))
 		return -EBUSY;
 
 	WARN_ON(!xa_empty(&xrcd->tgt_qps));
-	xrcd->device->ops.dealloc_xrcd(xrcd, udata);
+	ret = xrcd->device->ops.dealloc_xrcd(xrcd, udata);
+	if (ret)
+		return ret;
 	kfree(xrcd);
-	return 0;
+	return ret;
 }
 EXPORT_SYMBOL(ib_dealloc_xrcd_user);
 
diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c
index 1be0108db992..8e1e3b8a5a0d 100644
--- a/drivers/infiniband/hw/mlx4/main.c
+++ b/drivers/infiniband/hw/mlx4/main.c
@@ -1256,11 +1256,12 @@ static int mlx4_ib_alloc_xrcd(struct ib_xrcd *ibxrcd, struct ib_udata *udata)
 	return err;
 }
 
-static void mlx4_ib_dealloc_xrcd(struct ib_xrcd *xrcd, struct ib_udata *udata)
+static int mlx4_ib_dealloc_xrcd(struct ib_xrcd *xrcd, struct ib_udata *udata)
 {
 	ib_destroy_cq(to_mxrcd(xrcd)->cq);
 	ib_dealloc_pd(to_mxrcd(xrcd)->pd);
 	mlx4_xrcd_free(to_mdev(xrcd->device)->dev, to_mxrcd(xrcd)->xrcdn);
+	return 0;
 }
 
 static int add_gid_entry(struct ib_qp *ibqp, union ib_gid *gid)
diff --git a/drivers/infiniband/hw/mlx5/mlx5_ib.h b/drivers/infiniband/hw/mlx5/mlx5_ib.h
index 0a65f7ba40c4..041f9d1d696b 100644
--- a/drivers/infiniband/hw/mlx5/mlx5_ib.h
+++ b/drivers/infiniband/hw/mlx5/mlx5_ib.h
@@ -1196,7 +1196,7 @@ int mlx5_ib_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num,
 			const struct ib_mad *in, struct ib_mad *out,
 			size_t *out_mad_size, u16 *out_mad_pkey_index);
 int mlx5_ib_alloc_xrcd(struct ib_xrcd *xrcd, struct ib_udata *udata);
-void mlx5_ib_dealloc_xrcd(struct ib_xrcd *xrcd, struct ib_udata *udata);
+int mlx5_ib_dealloc_xrcd(struct ib_xrcd *xrcd, struct ib_udata *udata);
 int mlx5_ib_get_buf_offset(u64 addr, int page_shift, u32 *offset);
 int mlx5_query_ext_port_caps(struct mlx5_ib_dev *dev, u8 port);
 int mlx5_query_mad_ifc_smp_attr_node_info(struct ib_device *ibdev,
diff --git a/drivers/infiniband/hw/mlx5/qp.c b/drivers/infiniband/hw/mlx5/qp.c
index db1732fb3089..606f7f559922 100644
--- a/drivers/infiniband/hw/mlx5/qp.c
+++ b/drivers/infiniband/hw/mlx5/qp.c
@@ -4745,12 +4745,12 @@ int mlx5_ib_alloc_xrcd(struct ib_xrcd *ibxrcd, struct ib_udata *udata)
 	return mlx5_cmd_xrcd_alloc(dev->mdev, &xrcd->xrcdn, 0);
 }
 
-void mlx5_ib_dealloc_xrcd(struct ib_xrcd *xrcd, struct ib_udata *udata)
+int mlx5_ib_dealloc_xrcd(struct ib_xrcd *xrcd, struct ib_udata *udata)
 {
 	struct mlx5_ib_dev *dev = to_mdev(xrcd->device);
 	u32 xrcdn = to_mxrcd(xrcd)->xrcdn;
 
-	mlx5_cmd_xrcd_dealloc(dev->mdev, xrcdn, 0);
+	return mlx5_cmd_xrcd_dealloc(dev->mdev, xrcdn, 0);
 }
 
 static void mlx5_ib_wq_event(struct mlx5_core_qp *core_qp, int type)
diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
index 96f6be189993..739e390936f3 100644
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -2458,7 +2458,7 @@ struct ib_device_ops {
 	int (*attach_mcast)(struct ib_qp *qp, union ib_gid *gid, u16 lid);
 	int (*detach_mcast)(struct ib_qp *qp, union ib_gid *gid, u16 lid);
 	int (*alloc_xrcd)(struct ib_xrcd *xrcd, struct ib_udata *udata);
-	void (*dealloc_xrcd)(struct ib_xrcd *xrcd, struct ib_udata *udata);
+	int (*dealloc_xrcd)(struct ib_xrcd *xrcd, struct ib_udata *udata);
 	struct ib_flow *(*create_flow)(struct ib_qp *qp,
 				       struct ib_flow_attr *flow_attr,
 				       struct ib_udata *udata);
-- 
2.26.2


  parent reply	other threads:[~2020-09-07 12:11 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-07 12:09 [PATCH rdma-next v2 0/9] Restore failure of destroy commands Leon Romanovsky
2020-09-07 12:09 ` [PATCH rdma-next v2 1/9] RDMA: Restore ability to fail on PD deallocate Leon Romanovsky
2020-09-07 12:09 ` [PATCH rdma-next v2 2/9] RDMA: Restore ability to fail on AH destroy Leon Romanovsky
2020-09-07 12:09 ` [PATCH rdma-next v2 3/9] RDMA/mlx5: Issue FW command to destroy SRQ on reentry Leon Romanovsky
2020-09-08 18:50   ` Jason Gunthorpe
2020-09-07 12:09 ` [PATCH rdma-next v2 4/9] RDMA: Restore ability to fail on SRQ destroy Leon Romanovsky
2020-09-07 12:09 ` [PATCH rdma-next v2 5/9] RDMA/core: Delete function indirection for alloc/free kernel CQ Leon Romanovsky
2020-09-07 12:09 ` [PATCH rdma-next v2 6/9] RDMA: Allow fail of destroy CQ Leon Romanovsky
2020-09-08 18:55   ` Jason Gunthorpe
2020-09-07 12:09 ` Leon Romanovsky [this message]
2020-09-07 12:09 ` [PATCH rdma-next v2 8/9] RDMA: Restore ability to return error for destroy WQ Leon Romanovsky
2020-09-08 18:56   ` Jason Gunthorpe
2020-09-07 12:09 ` [PATCH rdma-next v2 9/9] RDMA: Make counters destroy symmetrical Leon Romanovsky
2020-09-09 18:06 ` [PATCH rdma-next v2 0/9] Restore failure of destroy commands Jason Gunthorpe
2020-09-10 12:24   ` Leon Romanovsky

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