diff --git a/drivers/infiniband/hw/qedr/main.c b/drivers/infiniband/hw/qedr/main.c index ad22b32bbd9ce92a9769fecc049c0138f2c10fde..912a0ca0f6177ca99ce37138a5ed07989636f5cd 100644 --- a/drivers/infiniband/hw/qedr/main.c +++ b/drivers/infiniband/hw/qedr/main.c @@ -325,8 +325,8 @@ static int qedr_alloc_resources(struct qedr_dev *dev) spin_lock_init(&dev->sgid_lock); if (IS_IWARP(dev)) { - spin_lock_init(&dev->idr_lock); - idr_init(&dev->qpidr); + spin_lock_init(&dev->qpidr.idr_lock); + idr_init(&dev->qpidr.idr); dev->iwarp_wq = create_singlethread_workqueue("qedr_iwarpq"); } diff --git a/drivers/infiniband/hw/qedr/qedr.h b/drivers/infiniband/hw/qedr/qedr.h index 86d4511e0d756e633a4820cb6f138207a4863d9e..5d0b75eaaa28f6e2fac175dbc54f2c9c51e3422d 100644 --- a/drivers/infiniband/hw/qedr/qedr.h +++ b/drivers/infiniband/hw/qedr/qedr.h @@ -122,6 +122,11 @@ struct qedr_device_attr { #define QEDR_ENET_STATE_BIT (0) +struct qedr_idr { + spinlock_t idr_lock; /* Protect idr data-structure */ + struct idr idr; +}; + struct qedr_dev { struct ib_device ibdev; struct qed_dev *cdev; @@ -165,8 +170,7 @@ struct qedr_dev { struct qedr_cq *gsi_rqcq; struct qedr_qp *gsi_qp; enum qed_rdma_type rdma_type; - spinlock_t idr_lock; /* Protect qpidr data-structure */ - struct idr qpidr; + struct qedr_idr qpidr; struct workqueue_struct *iwarp_wq; u16 iwarp_max_mtu; diff --git a/drivers/infiniband/hw/qedr/qedr_iw_cm.c b/drivers/infiniband/hw/qedr/qedr_iw_cm.c index 26dc374787f74843fd0326ca87b37a312e422c3d..505fa36487629ce003b1ac78a2414efbe18e4195 100644 --- a/drivers/infiniband/hw/qedr/qedr_iw_cm.c +++ b/drivers/infiniband/hw/qedr/qedr_iw_cm.c @@ -491,7 +491,7 @@ int qedr_iw_connect(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param) int rc = 0; int i; - qp = idr_find(&dev->qpidr, conn_param->qpn); + qp = idr_find(&dev->qpidr.idr, conn_param->qpn); laddr = (struct sockaddr_in *)&cm_id->m_local_addr; raddr = (struct sockaddr_in *)&cm_id->m_remote_addr; @@ -679,7 +679,7 @@ int qedr_iw_accept(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param) DP_DEBUG(dev, QEDR_MSG_IWARP, "Accept on qpid=%d\n", conn_param->qpn); - qp = idr_find(&dev->qpidr, conn_param->qpn); + qp = idr_find(&dev->qpidr.idr, conn_param->qpn); if (!qp) { DP_ERR(dev, "Invalid QP number %d\n", conn_param->qpn); return -EINVAL; @@ -737,9 +737,9 @@ void qedr_iw_qp_rem_ref(struct ib_qp *ibqp) struct qedr_qp *qp = get_qedr_qp(ibqp); if (atomic_dec_and_test(&qp->refcnt)) { - spin_lock_irq(&qp->dev->idr_lock); - idr_remove(&qp->dev->qpidr, qp->qp_id); - spin_unlock_irq(&qp->dev->idr_lock); + spin_lock_irq(&qp->dev->qpidr.idr_lock); + idr_remove(&qp->dev->qpidr.idr, qp->qp_id); + spin_unlock_irq(&qp->dev->qpidr.idr_lock); kfree(qp); } } @@ -748,5 +748,5 @@ struct ib_qp *qedr_iw_get_qp(struct ib_device *ibdev, int qpn) { struct qedr_dev *dev = get_qedr_dev(ibdev); - return idr_find(&dev->qpidr, qpn); + return idr_find(&dev->qpidr.idr, qpn); } diff --git a/drivers/infiniband/hw/qedr/verbs.c b/drivers/infiniband/hw/qedr/verbs.c index 4aaeb24cebfc092646ba8d2466a8d78bc8e1a8db..d217b08c9e664f21868596a9c6a4204bcc9f3983 100644 --- a/drivers/infiniband/hw/qedr/verbs.c +++ b/drivers/infiniband/hw/qedr/verbs.c @@ -1311,32 +1311,27 @@ static inline void qedr_qp_user_print(struct qedr_dev *dev, struct qedr_qp *qp) qp->usq.buf_len, qp->urq.buf_addr, qp->urq.buf_len); } -static int qedr_idr_add(struct qedr_dev *dev, void *ptr, u32 id) +static int qedr_idr_add(struct qedr_dev *dev, struct qedr_idr *qidr, + void *ptr, u32 id) { int rc; - if (!rdma_protocol_iwarp(&dev->ibdev, 1)) - return 0; - idr_preload(GFP_KERNEL); - spin_lock_irq(&dev->idr_lock); + spin_lock_irq(&qidr->idr_lock); - rc = idr_alloc(&dev->qpidr, ptr, id, id + 1, GFP_ATOMIC); + rc = idr_alloc(&qidr->idr, ptr, id, id + 1, GFP_ATOMIC); - spin_unlock_irq(&dev->idr_lock); + spin_unlock_irq(&qidr->idr_lock); idr_preload_end(); return rc < 0 ? rc : 0; } -static void qedr_idr_remove(struct qedr_dev *dev, u32 id) +static void qedr_idr_remove(struct qedr_dev *dev, struct qedr_idr *qidr, u32 id) { - if (!rdma_protocol_iwarp(&dev->ibdev, 1)) - return; - - spin_lock_irq(&dev->idr_lock); - idr_remove(&dev->qpidr, id); - spin_unlock_irq(&dev->idr_lock); + spin_lock_irq(&qidr->idr_lock); + idr_remove(&qidr->idr, id); + spin_unlock_irq(&qidr->idr_lock); } static inline void @@ -1708,9 +1703,11 @@ struct ib_qp *qedr_create_qp(struct ib_pd *ibpd, qp->ibqp.qp_num = qp->qp_id; - rc = qedr_idr_add(dev, qp, qp->qp_id); - if (rc) - goto err; + if (rdma_protocol_iwarp(&dev->ibdev, 1)) { + rc = qedr_idr_add(dev, &dev->qpidr, qp, qp->qp_id); + if (rc) + goto err; + } return &qp->ibqp; @@ -2279,8 +2276,9 @@ int qedr_destroy_qp(struct ib_qp *ibqp) qedr_free_qp_resources(dev, qp); - if (atomic_dec_and_test(&qp->refcnt)) { - qedr_idr_remove(dev, qp->qp_id); + if (atomic_dec_and_test(&qp->refcnt) && + rdma_protocol_iwarp(&dev->ibdev, 1)) { + qedr_idr_remove(dev, &dev->qpidr, qp->qp_id); kfree(qp); } return rc;