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RDMA/core: Add resource tracking for create and destroy QPs 

Track create and destroy operations of QP objects.

Reviewed-by: Mark Bloch <markb@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Reviewed-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
This commit is contained in:
Leon Romanovsky 2018-01-28 11:17:21 +02:00 committed by Jason Gunthorpe
parent 02d8883f52
commit 78a0cd648a
3 changed files with 30 additions and 5 deletions
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27
drivers/infiniband/core/core_priv.h
View File

@ -301,4 +301,31 @@ struct ib_device *ib_device_get_by_index(u32 ifindex);
/* RDMA device netlink */
void nldev_init(void);
void nldev_exit(void);
static inline struct ib_qp *_ib_create_qp(struct ib_device *dev,
struct ib_pd *pd,
struct ib_qp_init_attr *attr,
struct ib_udata *udata)
{
struct ib_qp *qp;
qp = dev->create_qp(pd, attr, udata);
if (IS_ERR(qp))
return qp;
qp->device = dev;
qp->pd = pd;
/*
* We don't track XRC QPs for now, because they don't have PD
* and more importantly they are created internaly by driver,
* see mlx5 create_dev_resources() as an example.
*/
if (attr->qp_type < IB_QPT_XRC_INI) {
qp->res.type = RDMA_RESTRACK_QP;
rdma_restrack_add(&qp->res);
} else
qp->res.valid = false;
return qp;
}
#endif /* _CORE_PRIV_H */

3
drivers/infiniband/core/uverbs_cmd.c
View File

@ -1514,7 +1514,7 @@ static int create_qp(struct ib_uverbs_file *file,
if (cmd->qp_type == IB_QPT_XRC_TGT)
qp = ib_create_qp(pd, &attr);
else
qp = device->create_qp(pd, &attr, uhw);
qp = _ib_create_qp(device, pd, &attr, uhw);
if (IS_ERR(qp)) {
ret = PTR_ERR(qp);
@ -1527,7 +1527,6 @@ static int create_qp(struct ib_uverbs_file *file,
goto err_cb;
qp->real_qp = qp;
qp->device = device;
qp->pd = pd;
qp->send_cq = attr.send_cq;
qp->recv_cq = attr.recv_cq;

5
drivers/infiniband/core/verbs.c
View File

@ -882,7 +882,7 @@ struct ib_qp *ib_create_qp(struct ib_pd *pd,
if (qp_init_attr->cap.max_rdma_ctxs)
rdma_rw_init_qp(device, qp_init_attr);
qp = device->create_qp(pd, qp_init_attr, NULL);
qp = _ib_create_qp(device, pd, qp_init_attr, NULL);
if (IS_ERR(qp))
return qp;
@ -892,7 +892,6 @@ struct ib_qp *ib_create_qp(struct ib_pd *pd,
return ERR_PTR(ret);
}
qp->device = device;
qp->real_qp = qp;
qp->uobject = NULL;
qp->qp_type = qp_init_attr->qp_type;
@ -922,7 +921,6 @@ struct ib_qp *ib_create_qp(struct ib_pd *pd,
atomic_inc(&qp_init_attr->srq->usecnt);
}
qp->pd = pd;
qp->send_cq = qp_init_attr->send_cq;
qp->xrcd = NULL;
@ -1538,6 +1536,7 @@ int ib_destroy_qp(struct ib_qp *qp)
if (!qp->uobject)
rdma_rw_cleanup_mrs(qp);
rdma_restrack_del(&qp->res);
ret = qp->device->destroy_qp(qp);
if (!ret) {
if (pd)