diff options
| author |   Dennis Dalessandro <dennis.dalessandro@intel.com> | 2016-01-22 13:00:42 -0800 |
|---|---|---|
| committer |   Doug Ledford <dledford@redhat.com> | 2016-03-10 20:37:25 -0500 |
| commit | 5a17ad11da322e3040b570e69a14a41a37060e5f (patch) | |
| tree | c02d07b4c24103bbffc497975da08501fec1f29d /drivers/infiniband/sw | |
| parent | IB/rdmavt: Add modify qp (diff) | |
| download | linux-dev-5a17ad11da322e3040b570e69a14a41a37060e5f.tar.xz linux-dev-5a17ad11da322e3040b570e69a14a41a37060e5f.zip | |
IB/rdmavt: Add destroy qp verb
This patch adds in support the qp destroy verb call.
Reviewed-by: Ira Weiny <ira.weiny@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband/sw')
| -rw-r--r-- | drivers/infiniband/sw/rdmavt/qp.c | 29 |
1 files changed, 23 insertions, 6 deletions
diff --git a/drivers/infiniband/sw/rdmavt/qp.c b/drivers/infiniband/sw/rdmavt/qp.c index 94421268b84c..cca65a6a2142 100644 --- a/drivers/infiniband/sw/rdmavt/qp.c +++ b/drivers/infiniband/sw/rdmavt/qp.c @@ -1201,13 +1201,30 @@ inval: */ int rvt_destroy_qp(struct ib_qp *ibqp) { - /* - * VT-DRIVER-API: qp_flush() - * Driver provies a mechanism to flush and wait for that flush to - * finish. - */ + struct rvt_qp *qp = ibqp_to_rvtqp(ibqp); + struct rvt_dev_info *rdi = ib_to_rvt(ibqp->device); - return -EOPNOTSUPP; + spin_lock_irq(&qp->r_lock); + spin_lock(&qp->s_lock); + rvt_reset_qp(rdi, qp, ibqp->qp_type); + spin_unlock(&qp->s_lock); + spin_unlock_irq(&qp->r_lock); + + /* qpn is now available for use again */ + rvt_free_qpn(&rdi->qp_dev->qpn_table, qp->ibqp.qp_num); + + spin_lock(&rdi->n_qps_lock); + rdi->n_qps_allocated--; + spin_unlock(&rdi->n_qps_lock); + + if (qp->ip) + kref_put(&qp->ip->ref, rvt_release_mmap_info); + else + vfree(qp->r_rq.wq); + vfree(qp->s_wq); + rdi->driver_f.qp_priv_free(rdi, qp); + kfree(qp); + return 0; } int rvt_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, |