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RDMA: Change XRCD destroy return value

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Update XRCD destroy flow to allow command failure.

Fixes: 28ad5f65c3 ("RDMA: Move XRCD to be under ib_core responsibility")
Link: https://lore.kernel.org/r/20200907120921.476363-8-leon@kernel.org
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
This commit is contained in:
Leon Romanovsky 2020-09-07 15:09:19 +03:00 committed by Jason Gunthorpe
parent 43d781b9fa
commit d0c45c8556
5 changed files with 12 additions and 7 deletions
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8
drivers/infiniband/core/verbs.c
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@ -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);

3
drivers/infiniband/hw/mlx4/main.c
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@ -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)

2
drivers/infiniband/hw/mlx5/mlx5_ib.h
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@ -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,

4
drivers/infiniband/hw/mlx5/qp.c
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@ -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)

2
include/rdma/ib_verbs.h
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@ -2452,7 +2452,7 @@ 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);