* @err: the receive completion error to signal if a RWQE is active
*
* Flushes both send and receive work queues.
+ * Returns true if last WQE event should be generated.
* The QP s_lock should be held and interrupts disabled.
*/
-void ipath_error_qp(struct ipath_qp *qp, enum ib_wc_status err)
+int ipath_error_qp(struct ipath_qp *qp, enum ib_wc_status err)
{
struct ipath_ibdev *dev = to_idev(qp->ibqp.device);
struct ib_wc wc;
+ int ret = 0;
- ipath_dbg("QP%d/%d in error state\n",
- qp->ibqp.qp_num, qp->remote_qpn);
+ ipath_dbg("QP%d/%d in error state (%d)\n",
+ qp->ibqp.qp_num, qp->remote_qpn, err);
spin_lock(&dev->pending_lock);
/* XXX What if its already removed by the timeout code? */
wq->tail = tail;
spin_unlock(&qp->r_rq.lock);
- }
+ } else if (qp->ibqp.event_handler)
+ ret = 1;
+
+ return ret;
}
/**
struct ipath_qp *qp = to_iqp(ibqp);
enum ib_qp_state cur_state, new_state;
unsigned long flags;
+ int lastwqe = 0;
int ret;
spin_lock_irqsave(&qp->s_lock, flags);
break;
case IB_QPS_ERR:
- ipath_error_qp(qp, IB_WC_WR_FLUSH_ERR);
+ lastwqe = ipath_error_qp(qp, IB_WC_WR_FLUSH_ERR);
break;
default:
qp->state = new_state;
spin_unlock_irqrestore(&qp->s_lock, flags);
+ if (lastwqe) {
+ struct ib_event ev;
+
+ ev.device = qp->ibqp.device;
+ ev.element.qp = &qp->ibqp;
+ ev.event = IB_EVENT_QP_LAST_WQE_REACHED;
+ qp->ibqp.event_handler(&ev, qp->ibqp.qp_context);
+ }
ret = 0;
goto bail;
init_attr->qp_type);
if (err) {
ret = ERR_PTR(err);
- goto bail_rwq;
+ vfree(qp->r_rq.wq);
+ goto bail_qp;
}
qp->ip = NULL;
ipath_reset_qp(qp);
* See ipath_mmap() for details.
*/
if (udata && udata->outlen >= sizeof(__u64)) {
- int err;
-
if (!qp->r_rq.wq) {
__u64 offset = 0;
sizeof(offset));
if (err) {
ret = ERR_PTR(err);
- goto bail_rwq;
+ goto bail_ip;
}
} else {
u32 s = sizeof(struct ipath_rwq) +
qp->r_rq.wq);
if (!qp->ip) {
ret = ERR_PTR(-ENOMEM);
- goto bail_rwq;
+ goto bail_ip;
}
err = ib_copy_to_udata(udata, &(qp->ip->offset),
goto bail;
bail_ip:
- kfree(qp->ip);
-bail_rwq:
- vfree(qp->r_rq.wq);
+ if (qp->ip)
+ kref_put(&qp->ip->ref, ipath_release_mmap_info);
+ else
+ vfree(qp->r_rq.wq);
+ ipath_free_qp(&dev->qp_table, qp);
bail_qp:
kfree(qp);
bail_swq: