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IB/rdmavt: Add destroy qp verb

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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>
This commit is contained in:
Dennis Dalessandro 2016-01-22 13:00:42 -08:00 committed by Doug Ledford
parent 3b0b3fb3c1
commit 5a17ad11da
1 changed files with 23 additions and 6 deletions
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29
drivers/infiniband/sw/rdmavt/qp.c
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@ -1201,13 +1201,30 @@ inval:
*/ */
int rvt_destroy_qp(struct ib_qp *ibqp) int rvt_destroy_qp(struct ib_qp *ibqp)
{ {
/* struct rvt_qp *qp = ibqp_to_rvtqp(ibqp);
* VT-DRIVER-API: qp_flush() struct rvt_dev_info *rdi = ib_to_rvt(ibqp->device);
* Driver provies a mechanism to flush and wait for that flush to
* finish.
*/
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, int rvt_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,