Lines Matching refs:qp
22 static void rvt_reset_qp(struct rvt_dev_info *rdi, struct rvt_qp *qp,
423 static void rvt_free_qp_cb(struct rvt_qp *qp, u64 v) in rvt_free_qp_cb() argument
426 struct rvt_dev_info *rdi = ib_to_rvt(qp->ibqp.device); in rvt_free_qp_cb()
429 rvt_reset_qp(rdi, qp, qp->ibqp.qp_type); in rvt_free_qp_cb()
581 static void rvt_clear_mr_refs(struct rvt_qp *qp, int clr_sends) in rvt_clear_mr_refs() argument
584 struct rvt_dev_info *rdi = ib_to_rvt(qp->ibqp.device); in rvt_clear_mr_refs()
586 if (test_and_clear_bit(RVT_R_REWIND_SGE, &qp->r_aflags)) in rvt_clear_mr_refs()
587 rvt_put_ss(&qp->s_rdma_read_sge); in rvt_clear_mr_refs()
589 rvt_put_ss(&qp->r_sge); in rvt_clear_mr_refs()
592 while (qp->s_last != qp->s_head) { in rvt_clear_mr_refs()
593 struct rvt_swqe *wqe = rvt_get_swqe_ptr(qp, qp->s_last); in rvt_clear_mr_refs()
595 rvt_put_qp_swqe(qp, wqe); in rvt_clear_mr_refs()
596 if (++qp->s_last >= qp->s_size) in rvt_clear_mr_refs()
597 qp->s_last = 0; in rvt_clear_mr_refs()
600 if (qp->s_rdma_mr) { in rvt_clear_mr_refs()
601 rvt_put_mr(qp->s_rdma_mr); in rvt_clear_mr_refs()
602 qp->s_rdma_mr = NULL; in rvt_clear_mr_refs()
606 for (n = 0; qp->s_ack_queue && n < rvt_max_atomic(rdi); n++) { in rvt_clear_mr_refs()
607 struct rvt_ack_entry *e = &qp->s_ack_queue[n]; in rvt_clear_mr_refs()
641 static bool rvt_qp_sends_has_lkey(struct rvt_qp *qp, u32 lkey) in rvt_qp_sends_has_lkey() argument
643 u32 s_last = qp->s_last; in rvt_qp_sends_has_lkey()
645 while (s_last != qp->s_head) { in rvt_qp_sends_has_lkey()
646 struct rvt_swqe *wqe = rvt_get_swqe_ptr(qp, s_last); in rvt_qp_sends_has_lkey()
651 if (++s_last >= qp->s_size) in rvt_qp_sends_has_lkey()
654 if (qp->s_rdma_mr) in rvt_qp_sends_has_lkey()
655 if (rvt_mr_has_lkey(qp->s_rdma_mr, lkey)) in rvt_qp_sends_has_lkey()
665 static bool rvt_qp_acks_has_lkey(struct rvt_qp *qp, u32 lkey) in rvt_qp_acks_has_lkey() argument
668 struct rvt_dev_info *rdi = ib_to_rvt(qp->ibqp.device); in rvt_qp_acks_has_lkey()
670 for (i = 0; qp->s_ack_queue && i < rvt_max_atomic(rdi); i++) { in rvt_qp_acks_has_lkey()
671 struct rvt_ack_entry *e = &qp->s_ack_queue[i]; in rvt_qp_acks_has_lkey()
690 void rvt_qp_mr_clean(struct rvt_qp *qp, u32 lkey) in rvt_qp_mr_clean() argument
694 if (qp->ibqp.qp_type == IB_QPT_SMI || in rvt_qp_mr_clean()
695 qp->ibqp.qp_type == IB_QPT_GSI) in rvt_qp_mr_clean()
698 spin_lock_irq(&qp->r_lock); in rvt_qp_mr_clean()
699 spin_lock(&qp->s_hlock); in rvt_qp_mr_clean()
700 spin_lock(&qp->s_lock); in rvt_qp_mr_clean()
702 if (qp->state == IB_QPS_ERR || qp->state == IB_QPS_RESET) in rvt_qp_mr_clean()
705 if (rvt_ss_has_lkey(&qp->r_sge, lkey) || in rvt_qp_mr_clean()
706 rvt_qp_sends_has_lkey(qp, lkey) || in rvt_qp_mr_clean()
707 rvt_qp_acks_has_lkey(qp, lkey)) in rvt_qp_mr_clean()
708 lastwqe = rvt_error_qp(qp, IB_WC_LOC_PROT_ERR); in rvt_qp_mr_clean()
710 spin_unlock(&qp->s_lock); in rvt_qp_mr_clean()
711 spin_unlock(&qp->s_hlock); in rvt_qp_mr_clean()
712 spin_unlock_irq(&qp->r_lock); in rvt_qp_mr_clean()
716 ev.device = qp->ibqp.device; in rvt_qp_mr_clean()
717 ev.element.qp = &qp->ibqp; in rvt_qp_mr_clean()
719 qp->ibqp.event_handler(&ev, qp->ibqp.qp_context); in rvt_qp_mr_clean()
731 static void rvt_remove_qp(struct rvt_dev_info *rdi, struct rvt_qp *qp) in rvt_remove_qp() argument
733 struct rvt_ibport *rvp = rdi->ports[qp->port_num - 1]; in rvt_remove_qp()
734 u32 n = hash_32(qp->ibqp.qp_num, rdi->qp_dev->qp_table_bits); in rvt_remove_qp()
740 if (rcu_dereference_protected(rvp->qp[0], in rvt_remove_qp()
741 lockdep_is_held(&rdi->qp_dev->qpt_lock)) == qp) { in rvt_remove_qp()
742 RCU_INIT_POINTER(rvp->qp[0], NULL); in rvt_remove_qp()
743 } else if (rcu_dereference_protected(rvp->qp[1], in rvt_remove_qp()
744 lockdep_is_held(&rdi->qp_dev->qpt_lock)) == qp) { in rvt_remove_qp()
745 RCU_INIT_POINTER(rvp->qp[1], NULL); in rvt_remove_qp()
755 if (q == qp) { in rvt_remove_qp()
757 rcu_dereference_protected(qp->next, in rvt_remove_qp()
760 trace_rvt_qpremove(qp, n); in rvt_remove_qp()
769 rvt_put_qp(qp); in rvt_remove_qp()
825 static void rvt_init_qp(struct rvt_dev_info *rdi, struct rvt_qp *qp, in rvt_init_qp() argument
828 qp->remote_qpn = 0; in rvt_init_qp()
829 qp->qkey = 0; in rvt_init_qp()
830 qp->qp_access_flags = 0; in rvt_init_qp()
831 qp->s_flags &= RVT_S_SIGNAL_REQ_WR; in rvt_init_qp()
832 qp->s_hdrwords = 0; in rvt_init_qp()
833 qp->s_wqe = NULL; in rvt_init_qp()
834 qp->s_draining = 0; in rvt_init_qp()
835 qp->s_next_psn = 0; in rvt_init_qp()
836 qp->s_last_psn = 0; in rvt_init_qp()
837 qp->s_sending_psn = 0; in rvt_init_qp()
838 qp->s_sending_hpsn = 0; in rvt_init_qp()
839 qp->s_psn = 0; in rvt_init_qp()
840 qp->r_psn = 0; in rvt_init_qp()
841 qp->r_msn = 0; in rvt_init_qp()
843 qp->s_state = IB_OPCODE_RC_SEND_LAST; in rvt_init_qp()
844 qp->r_state = IB_OPCODE_RC_SEND_LAST; in rvt_init_qp()
846 qp->s_state = IB_OPCODE_UC_SEND_LAST; in rvt_init_qp()
847 qp->r_state = IB_OPCODE_UC_SEND_LAST; in rvt_init_qp()
849 qp->s_ack_state = IB_OPCODE_RC_ACKNOWLEDGE; in rvt_init_qp()
850 qp->r_nak_state = 0; in rvt_init_qp()
851 qp->r_aflags = 0; in rvt_init_qp()
852 qp->r_flags = 0; in rvt_init_qp()
853 qp->s_head = 0; in rvt_init_qp()
854 qp->s_tail = 0; in rvt_init_qp()
855 qp->s_cur = 0; in rvt_init_qp()
856 qp->s_acked = 0; in rvt_init_qp()
857 qp->s_last = 0; in rvt_init_qp()
858 qp->s_ssn = 1; in rvt_init_qp()
859 qp->s_lsn = 0; in rvt_init_qp()
860 qp->s_mig_state = IB_MIG_MIGRATED; in rvt_init_qp()
861 qp->r_head_ack_queue = 0; in rvt_init_qp()
862 qp->s_tail_ack_queue = 0; in rvt_init_qp()
863 qp->s_acked_ack_queue = 0; in rvt_init_qp()
864 qp->s_num_rd_atomic = 0; in rvt_init_qp()
865 qp->r_sge.num_sge = 0; in rvt_init_qp()
866 atomic_set(&qp->s_reserved_used, 0); in rvt_init_qp()
877 static void _rvt_reset_qp(struct rvt_dev_info *rdi, struct rvt_qp *qp, in _rvt_reset_qp() argument
879 __must_hold(&qp->s_lock) in _rvt_reset_qp()
880 __must_hold(&qp->s_hlock) in _rvt_reset_qp()
881 __must_hold(&qp->r_lock) in _rvt_reset_qp()
883 lockdep_assert_held(&qp->r_lock); in _rvt_reset_qp()
884 lockdep_assert_held(&qp->s_hlock); in _rvt_reset_qp()
885 lockdep_assert_held(&qp->s_lock); in _rvt_reset_qp()
886 if (qp->state != IB_QPS_RESET) { in _rvt_reset_qp()
887 qp->state = IB_QPS_RESET; in _rvt_reset_qp()
890 rdi->driver_f.flush_qp_waiters(qp); in _rvt_reset_qp()
891 rvt_stop_rc_timers(qp); in _rvt_reset_qp()
892 qp->s_flags &= ~(RVT_S_TIMER | RVT_S_ANY_WAIT); in _rvt_reset_qp()
893 spin_unlock(&qp->s_lock); in _rvt_reset_qp()
894 spin_unlock(&qp->s_hlock); in _rvt_reset_qp()
895 spin_unlock_irq(&qp->r_lock); in _rvt_reset_qp()
898 rdi->driver_f.stop_send_queue(qp); in _rvt_reset_qp()
899 rvt_del_timers_sync(qp); in _rvt_reset_qp()
901 rdi->driver_f.quiesce_qp(qp); in _rvt_reset_qp()
904 rvt_remove_qp(rdi, qp); in _rvt_reset_qp()
907 spin_lock_irq(&qp->r_lock); in _rvt_reset_qp()
908 spin_lock(&qp->s_hlock); in _rvt_reset_qp()
909 spin_lock(&qp->s_lock); in _rvt_reset_qp()
911 rvt_clear_mr_refs(qp, 1); in _rvt_reset_qp()
916 rdi->driver_f.notify_qp_reset(qp); in _rvt_reset_qp()
918 rvt_init_qp(rdi, qp, type); in _rvt_reset_qp()
919 lockdep_assert_held(&qp->r_lock); in _rvt_reset_qp()
920 lockdep_assert_held(&qp->s_hlock); in _rvt_reset_qp()
921 lockdep_assert_held(&qp->s_lock); in _rvt_reset_qp()
933 static void rvt_reset_qp(struct rvt_dev_info *rdi, struct rvt_qp *qp, in rvt_reset_qp() argument
936 spin_lock_irq(&qp->r_lock); in rvt_reset_qp()
937 spin_lock(&qp->s_hlock); in rvt_reset_qp()
938 spin_lock(&qp->s_lock); in rvt_reset_qp()
939 _rvt_reset_qp(rdi, qp, type); in rvt_reset_qp()
940 spin_unlock(&qp->s_lock); in rvt_reset_qp()
941 spin_unlock(&qp->s_hlock); in rvt_reset_qp()
942 spin_unlock_irq(&qp->r_lock); in rvt_reset_qp()
979 static void free_ud_wq_attr(struct rvt_qp *qp) in free_ud_wq_attr() argument
984 for (i = 0; qp->allowed_ops == IB_OPCODE_UD && i < qp->s_size; i++) { in free_ud_wq_attr()
985 wqe = rvt_get_swqe_ptr(qp, i); in free_ud_wq_attr()
999 static int alloc_ud_wq_attr(struct rvt_qp *qp, int node) in alloc_ud_wq_attr() argument
1004 for (i = 0; qp->allowed_ops == IB_OPCODE_UD && i < qp->s_size; i++) { in alloc_ud_wq_attr()
1005 wqe = rvt_get_swqe_ptr(qp, i); in alloc_ud_wq_attr()
1009 free_ud_wq_attr(qp); in alloc_ud_wq_attr()
1034 struct rvt_qp *qp = ibqp_to_rvtqp(ibqp); in rvt_create_qp() local
1089 sg_list_sz = sizeof(*qp->r_sg_list) * in rvt_create_qp()
1092 sg_list_sz = sizeof(*qp->r_sg_list) * in rvt_create_qp()
1094 qp->r_sg_list = in rvt_create_qp()
1096 if (!qp->r_sg_list) in rvt_create_qp()
1098 qp->allowed_ops = get_allowed_ops(init_attr->qp_type); in rvt_create_qp()
1100 RCU_INIT_POINTER(qp->next, NULL); in rvt_create_qp()
1102 qp->s_ack_queue = in rvt_create_qp()
1104 sizeof(*qp->s_ack_queue), in rvt_create_qp()
1107 if (!qp->s_ack_queue) in rvt_create_qp()
1111 timer_setup(&qp->s_timer, rvt_rc_timeout, 0); in rvt_create_qp()
1112 hrtimer_init(&qp->s_rnr_timer, CLOCK_MONOTONIC, in rvt_create_qp()
1114 qp->s_rnr_timer.function = rvt_rc_rnr_retry; in rvt_create_qp()
1120 priv = rdi->driver_f.qp_priv_alloc(rdi, qp); in rvt_create_qp()
1125 qp->priv = priv; in rvt_create_qp()
1126 qp->timeout_jiffies = in rvt_create_qp()
1127 usecs_to_jiffies((4096UL * (1UL << qp->timeout)) / in rvt_create_qp()
1132 qp->r_rq.size = init_attr->cap.max_recv_wr + 1; in rvt_create_qp()
1133 qp->r_rq.max_sge = init_attr->cap.max_recv_sge; in rvt_create_qp()
1134 sz = (sizeof(struct ib_sge) * qp->r_rq.max_sge) + in rvt_create_qp()
1136 ret = rvt_alloc_rq(&qp->r_rq, qp->r_rq.size * sz, in rvt_create_qp()
1146 spin_lock_init(&qp->r_lock); in rvt_create_qp()
1147 spin_lock_init(&qp->s_hlock); in rvt_create_qp()
1148 spin_lock_init(&qp->s_lock); in rvt_create_qp()
1149 atomic_set(&qp->refcount, 0); in rvt_create_qp()
1150 atomic_set(&qp->local_ops_pending, 0); in rvt_create_qp()
1151 init_waitqueue_head(&qp->wait); in rvt_create_qp()
1152 INIT_LIST_HEAD(&qp->rspwait); in rvt_create_qp()
1153 qp->state = IB_QPS_RESET; in rvt_create_qp()
1154 qp->s_wq = swq; in rvt_create_qp()
1155 qp->s_size = sqsize; in rvt_create_qp()
1156 qp->s_avail = init_attr->cap.max_send_wr; in rvt_create_qp()
1157 qp->s_max_sge = init_attr->cap.max_send_sge; in rvt_create_qp()
1159 qp->s_flags = RVT_S_SIGNAL_REQ_WR; in rvt_create_qp()
1160 ret = alloc_ud_wq_attr(qp, rdi->dparms.node); in rvt_create_qp()
1174 qp->ibqp.qp_num = ret; in rvt_create_qp()
1176 qp->ibqp.qp_num |= RVT_AIP_QP_BASE; in rvt_create_qp()
1177 qp->port_num = init_attr->port_num; in rvt_create_qp()
1178 rvt_init_qp(rdi, qp, init_attr->qp_type); in rvt_create_qp()
1180 ret = rdi->driver_f.qp_priv_init(rdi, qp, init_attr); in rvt_create_qp()
1198 if (!qp->r_rq.wq) { in rvt_create_qp()
1206 u32 s = sizeof(struct rvt_rwq) + qp->r_rq.size * sz; in rvt_create_qp()
1208 qp->ip = rvt_create_mmap_info(rdi, s, udata, in rvt_create_qp()
1209 qp->r_rq.wq); in rvt_create_qp()
1210 if (IS_ERR(qp->ip)) { in rvt_create_qp()
1211 ret = PTR_ERR(qp->ip); in rvt_create_qp()
1215 ret = ib_copy_to_udata(udata, &qp->ip->offset, in rvt_create_qp()
1216 sizeof(qp->ip->offset)); in rvt_create_qp()
1220 qp->pid = current->pid; in rvt_create_qp()
1246 if (qp->ip) { in rvt_create_qp()
1248 list_add(&qp->ip->pending_mmaps, &rdi->pending_mmaps); in rvt_create_qp()
1255 if (qp->ip) in rvt_create_qp()
1256 kref_put(&qp->ip->ref, rvt_release_mmap_info); in rvt_create_qp()
1259 rvt_free_qpn(&rdi->qp_dev->qpn_table, qp->ibqp.qp_num); in rvt_create_qp()
1262 free_ud_wq_attr(qp); in rvt_create_qp()
1265 rvt_free_rq(&qp->r_rq); in rvt_create_qp()
1268 rdi->driver_f.qp_priv_free(rdi, qp); in rvt_create_qp()
1271 kfree(qp->s_ack_queue); in rvt_create_qp()
1272 kfree(qp->r_sg_list); in rvt_create_qp()
1288 int rvt_error_qp(struct rvt_qp *qp, enum ib_wc_status err) in rvt_error_qp() argument
1292 struct rvt_dev_info *rdi = ib_to_rvt(qp->ibqp.device); in rvt_error_qp()
1294 lockdep_assert_held(&qp->r_lock); in rvt_error_qp()
1295 lockdep_assert_held(&qp->s_lock); in rvt_error_qp()
1296 if (qp->state == IB_QPS_ERR || qp->state == IB_QPS_RESET) in rvt_error_qp()
1299 qp->state = IB_QPS_ERR; in rvt_error_qp()
1301 if (qp->s_flags & (RVT_S_TIMER | RVT_S_WAIT_RNR)) { in rvt_error_qp()
1302 qp->s_flags &= ~(RVT_S_TIMER | RVT_S_WAIT_RNR); in rvt_error_qp()
1303 del_timer(&qp->s_timer); in rvt_error_qp()
1306 if (qp->s_flags & RVT_S_ANY_WAIT_SEND) in rvt_error_qp()
1307 qp->s_flags &= ~RVT_S_ANY_WAIT_SEND; in rvt_error_qp()
1309 rdi->driver_f.notify_error_qp(qp); in rvt_error_qp()
1312 if (READ_ONCE(qp->s_last) != qp->s_head) in rvt_error_qp()
1313 rdi->driver_f.schedule_send(qp); in rvt_error_qp()
1315 rvt_clear_mr_refs(qp, 0); in rvt_error_qp()
1318 wc.qp = &qp->ibqp; in rvt_error_qp()
1321 if (test_and_clear_bit(RVT_R_WRID_VALID, &qp->r_aflags)) { in rvt_error_qp()
1322 wc.wr_id = qp->r_wr_id; in rvt_error_qp()
1324 rvt_cq_enter(ibcq_to_rvtcq(qp->ibqp.recv_cq), &wc, 1); in rvt_error_qp()
1328 if (qp->r_rq.kwq) { in rvt_error_qp()
1334 spin_lock(&qp->r_rq.kwq->c_lock); in rvt_error_qp()
1336 if (qp->ip) { in rvt_error_qp()
1337 wq = qp->r_rq.wq; in rvt_error_qp()
1341 kwq = qp->r_rq.kwq; in rvt_error_qp()
1346 if (head >= qp->r_rq.size) in rvt_error_qp()
1348 if (tail >= qp->r_rq.size) in rvt_error_qp()
1351 wc.wr_id = rvt_get_rwqe_ptr(&qp->r_rq, tail)->wr_id; in rvt_error_qp()
1352 if (++tail >= qp->r_rq.size) in rvt_error_qp()
1354 rvt_cq_enter(ibcq_to_rvtcq(qp->ibqp.recv_cq), &wc, 1); in rvt_error_qp()
1356 if (qp->ip) in rvt_error_qp()
1360 spin_unlock(&qp->r_rq.kwq->c_lock); in rvt_error_qp()
1361 } else if (qp->ibqp.event_handler) { in rvt_error_qp()
1374 static void rvt_insert_qp(struct rvt_dev_info *rdi, struct rvt_qp *qp) in rvt_insert_qp() argument
1376 struct rvt_ibport *rvp = rdi->ports[qp->port_num - 1]; in rvt_insert_qp()
1379 rvt_get_qp(qp); in rvt_insert_qp()
1382 if (qp->ibqp.qp_num <= 1) { in rvt_insert_qp()
1383 rcu_assign_pointer(rvp->qp[qp->ibqp.qp_num], qp); in rvt_insert_qp()
1385 u32 n = hash_32(qp->ibqp.qp_num, rdi->qp_dev->qp_table_bits); in rvt_insert_qp()
1387 qp->next = rdi->qp_dev->qp_table[n]; in rvt_insert_qp()
1388 rcu_assign_pointer(rdi->qp_dev->qp_table[n], qp); in rvt_insert_qp()
1389 trace_rvt_qpinsert(qp, n); in rvt_insert_qp()
1408 struct rvt_qp *qp = ibqp_to_rvtqp(ibqp); in rvt_modify_qp() local
1419 spin_lock_irq(&qp->r_lock); in rvt_modify_qp()
1420 spin_lock(&qp->s_hlock); in rvt_modify_qp()
1421 spin_lock(&qp->s_lock); in rvt_modify_qp()
1424 attr->cur_qp_state : qp->state; in rvt_modify_qp()
1426 opa_ah = rdma_cap_opa_ah(ibqp->device, qp->port_num); in rvt_modify_qp()
1433 rdi->driver_f.check_modify_qp(qp, attr, attr_mask, udata)) in rvt_modify_qp()
1447 if (rvt_check_ah(qp->ibqp.device, &attr->ah_attr)) in rvt_modify_qp()
1462 if (rvt_check_ah(qp->ibqp.device, &attr->alt_ah_attr)) in rvt_modify_qp()
1477 if (qp->ibqp.qp_type == IB_QPT_SMI || in rvt_modify_qp()
1478 qp->ibqp.qp_type == IB_QPT_GSI || in rvt_modify_qp()
1504 pmtu = rdi->driver_f.get_pmtu_from_attr(rdi, qp, attr); in rvt_modify_qp()
1511 if (qp->s_mig_state == IB_MIG_ARMED) in rvt_modify_qp()
1516 if (qp->s_mig_state == IB_MIG_REARM) in rvt_modify_qp()
1520 if (qp->s_mig_state == IB_MIG_ARMED) in rvt_modify_qp()
1533 if (qp->state != IB_QPS_RESET) in rvt_modify_qp()
1534 _rvt_reset_qp(rdi, qp, ibqp->qp_type); in rvt_modify_qp()
1539 qp->r_flags &= ~RVT_R_COMM_EST; in rvt_modify_qp()
1540 qp->state = new_state; in rvt_modify_qp()
1544 qp->s_draining = qp->s_last != qp->s_cur; in rvt_modify_qp()
1545 qp->state = new_state; in rvt_modify_qp()
1549 if (qp->ibqp.qp_type == IB_QPT_RC) in rvt_modify_qp()
1551 qp->state = new_state; in rvt_modify_qp()
1555 lastwqe = rvt_error_qp(qp, IB_WC_WR_FLUSH_ERR); in rvt_modify_qp()
1559 qp->state = new_state; in rvt_modify_qp()
1564 qp->s_pkey_index = attr->pkey_index; in rvt_modify_qp()
1567 qp->port_num = attr->port_num; in rvt_modify_qp()
1570 qp->remote_qpn = attr->dest_qp_num; in rvt_modify_qp()
1573 qp->s_next_psn = attr->sq_psn & rdi->dparms.psn_modify_mask; in rvt_modify_qp()
1574 qp->s_psn = qp->s_next_psn; in rvt_modify_qp()
1575 qp->s_sending_psn = qp->s_next_psn; in rvt_modify_qp()
1576 qp->s_last_psn = qp->s_next_psn - 1; in rvt_modify_qp()
1577 qp->s_sending_hpsn = qp->s_last_psn; in rvt_modify_qp()
1581 qp->r_psn = attr->rq_psn & rdi->dparms.psn_modify_mask; in rvt_modify_qp()
1584 qp->qp_access_flags = attr->qp_access_flags; in rvt_modify_qp()
1587 rdma_replace_ah_attr(&qp->remote_ah_attr, &attr->ah_attr); in rvt_modify_qp()
1588 qp->s_srate = rdma_ah_get_static_rate(&attr->ah_attr); in rvt_modify_qp()
1589 qp->srate_mbps = ib_rate_to_mbps(qp->s_srate); in rvt_modify_qp()
1593 rdma_replace_ah_attr(&qp->alt_ah_attr, &attr->alt_ah_attr); in rvt_modify_qp()
1594 qp->s_alt_pkey_index = attr->alt_pkey_index; in rvt_modify_qp()
1598 qp->s_mig_state = attr->path_mig_state; in rvt_modify_qp()
1600 qp->remote_ah_attr = qp->alt_ah_attr; in rvt_modify_qp()
1601 qp->port_num = rdma_ah_get_port_num(&qp->alt_ah_attr); in rvt_modify_qp()
1602 qp->s_pkey_index = qp->s_alt_pkey_index; in rvt_modify_qp()
1607 qp->pmtu = rdi->driver_f.mtu_from_qp(rdi, qp, pmtu); in rvt_modify_qp()
1608 qp->log_pmtu = ilog2(qp->pmtu); in rvt_modify_qp()
1612 qp->s_retry_cnt = attr->retry_cnt; in rvt_modify_qp()
1613 qp->s_retry = attr->retry_cnt; in rvt_modify_qp()
1617 qp->s_rnr_retry_cnt = attr->rnr_retry; in rvt_modify_qp()
1618 qp->s_rnr_retry = attr->rnr_retry; in rvt_modify_qp()
1622 qp->r_min_rnr_timer = attr->min_rnr_timer; in rvt_modify_qp()
1625 qp->timeout = attr->timeout; in rvt_modify_qp()
1626 qp->timeout_jiffies = rvt_timeout_to_jiffies(qp->timeout); in rvt_modify_qp()
1630 qp->qkey = attr->qkey; in rvt_modify_qp()
1633 qp->r_max_rd_atomic = attr->max_dest_rd_atomic; in rvt_modify_qp()
1636 qp->s_max_rd_atomic = attr->max_rd_atomic; in rvt_modify_qp()
1639 rdi->driver_f.modify_qp(qp, attr, attr_mask, udata); in rvt_modify_qp()
1641 spin_unlock(&qp->s_lock); in rvt_modify_qp()
1642 spin_unlock(&qp->s_hlock); in rvt_modify_qp()
1643 spin_unlock_irq(&qp->r_lock); in rvt_modify_qp()
1646 rvt_insert_qp(rdi, qp); in rvt_modify_qp()
1649 ev.device = qp->ibqp.device; in rvt_modify_qp()
1650 ev.element.qp = &qp->ibqp; in rvt_modify_qp()
1652 qp->ibqp.event_handler(&ev, qp->ibqp.qp_context); in rvt_modify_qp()
1655 ev.device = qp->ibqp.device; in rvt_modify_qp()
1656 ev.element.qp = &qp->ibqp; in rvt_modify_qp()
1658 qp->ibqp.event_handler(&ev, qp->ibqp.qp_context); in rvt_modify_qp()
1663 spin_unlock(&qp->s_lock); in rvt_modify_qp()
1664 spin_unlock(&qp->s_hlock); in rvt_modify_qp()
1665 spin_unlock_irq(&qp->r_lock); in rvt_modify_qp()
1681 struct rvt_qp *qp = ibqp_to_rvtqp(ibqp); in rvt_destroy_qp() local
1684 rvt_reset_qp(rdi, qp, ibqp->qp_type); in rvt_destroy_qp()
1686 wait_event(qp->wait, !atomic_read(&qp->refcount)); in rvt_destroy_qp()
1688 rvt_free_qpn(&rdi->qp_dev->qpn_table, qp->ibqp.qp_num); in rvt_destroy_qp()
1692 if (qp->ibqp.qp_type == IB_QPT_RC) { in rvt_destroy_qp()
1698 if (qp->ip) in rvt_destroy_qp()
1699 kref_put(&qp->ip->ref, rvt_release_mmap_info); in rvt_destroy_qp()
1700 kvfree(qp->r_rq.kwq); in rvt_destroy_qp()
1701 rdi->driver_f.qp_priv_free(rdi, qp); in rvt_destroy_qp()
1702 kfree(qp->s_ack_queue); in rvt_destroy_qp()
1703 kfree(qp->r_sg_list); in rvt_destroy_qp()
1704 rdma_destroy_ah_attr(&qp->remote_ah_attr); in rvt_destroy_qp()
1705 rdma_destroy_ah_attr(&qp->alt_ah_attr); in rvt_destroy_qp()
1706 free_ud_wq_attr(qp); in rvt_destroy_qp()
1707 vfree(qp->s_wq); in rvt_destroy_qp()
1723 struct rvt_qp *qp = ibqp_to_rvtqp(ibqp); in rvt_query_qp() local
1726 attr->qp_state = qp->state; in rvt_query_qp()
1728 attr->path_mtu = rdi->driver_f.mtu_to_path_mtu(qp->pmtu); in rvt_query_qp()
1729 attr->path_mig_state = qp->s_mig_state; in rvt_query_qp()
1730 attr->qkey = qp->qkey; in rvt_query_qp()
1731 attr->rq_psn = qp->r_psn & rdi->dparms.psn_mask; in rvt_query_qp()
1732 attr->sq_psn = qp->s_next_psn & rdi->dparms.psn_mask; in rvt_query_qp()
1733 attr->dest_qp_num = qp->remote_qpn; in rvt_query_qp()
1734 attr->qp_access_flags = qp->qp_access_flags; in rvt_query_qp()
1735 attr->cap.max_send_wr = qp->s_size - 1 - in rvt_query_qp()
1737 attr->cap.max_recv_wr = qp->ibqp.srq ? 0 : qp->r_rq.size - 1; in rvt_query_qp()
1738 attr->cap.max_send_sge = qp->s_max_sge; in rvt_query_qp()
1739 attr->cap.max_recv_sge = qp->r_rq.max_sge; in rvt_query_qp()
1741 attr->ah_attr = qp->remote_ah_attr; in rvt_query_qp()
1742 attr->alt_ah_attr = qp->alt_ah_attr; in rvt_query_qp()
1743 attr->pkey_index = qp->s_pkey_index; in rvt_query_qp()
1744 attr->alt_pkey_index = qp->s_alt_pkey_index; in rvt_query_qp()
1746 attr->sq_draining = qp->s_draining; in rvt_query_qp()
1747 attr->max_rd_atomic = qp->s_max_rd_atomic; in rvt_query_qp()
1748 attr->max_dest_rd_atomic = qp->r_max_rd_atomic; in rvt_query_qp()
1749 attr->min_rnr_timer = qp->r_min_rnr_timer; in rvt_query_qp()
1750 attr->port_num = qp->port_num; in rvt_query_qp()
1751 attr->timeout = qp->timeout; in rvt_query_qp()
1752 attr->retry_cnt = qp->s_retry_cnt; in rvt_query_qp()
1753 attr->rnr_retry = qp->s_rnr_retry_cnt; in rvt_query_qp()
1755 rdma_ah_get_port_num(&qp->alt_ah_attr); in rvt_query_qp()
1756 attr->alt_timeout = qp->alt_timeout; in rvt_query_qp()
1758 init_attr->event_handler = qp->ibqp.event_handler; in rvt_query_qp()
1759 init_attr->qp_context = qp->ibqp.qp_context; in rvt_query_qp()
1760 init_attr->send_cq = qp->ibqp.send_cq; in rvt_query_qp()
1761 init_attr->recv_cq = qp->ibqp.recv_cq; in rvt_query_qp()
1762 init_attr->srq = qp->ibqp.srq; in rvt_query_qp()
1764 if (qp->s_flags & RVT_S_SIGNAL_REQ_WR) in rvt_query_qp()
1768 init_attr->qp_type = qp->ibqp.qp_type; in rvt_query_qp()
1769 init_attr->port_num = qp->port_num; in rvt_query_qp()
1786 struct rvt_qp *qp = ibqp_to_rvtqp(ibqp); in rvt_post_recv() local
1787 struct rvt_krwq *wq = qp->r_rq.kwq; in rvt_post_recv()
1789 int qp_err_flush = (ib_rvt_state_ops[qp->state] & RVT_FLUSH_RECV) && in rvt_post_recv()
1790 !qp->ibqp.srq; in rvt_post_recv()
1793 if (!(ib_rvt_state_ops[qp->state] & RVT_POST_RECV_OK) || !wq) { in rvt_post_recv()
1803 if ((unsigned)wr->num_sge > qp->r_rq.max_sge) { in rvt_post_recv()
1808 spin_lock_irqsave(&qp->r_rq.kwq->p_lock, flags); in rvt_post_recv()
1810 if (next >= qp->r_rq.size) in rvt_post_recv()
1813 spin_unlock_irqrestore(&qp->r_rq.kwq->p_lock, flags); in rvt_post_recv()
1821 wc.qp = &qp->ibqp; in rvt_post_recv()
1825 rvt_cq_enter(ibcq_to_rvtcq(qp->ibqp.recv_cq), &wc, 1); in rvt_post_recv()
1827 wqe = rvt_get_rwqe_ptr(&qp->r_rq, wq->head); in rvt_post_recv()
1841 spin_unlock_irqrestore(&qp->r_rq.kwq->p_lock, flags); in rvt_post_recv()
1865 struct rvt_qp *qp, in rvt_qp_valid_operation() argument
1873 if (!(post_parms[wr->opcode].qpt_support & BIT(qp->ibqp.qp_type))) in rvt_qp_valid_operation()
1876 ibpd_to_rvtpd(qp->ibqp.pd)->user) in rvt_qp_valid_operation()
1884 !qp->s_max_rd_atomic) in rvt_qp_valid_operation()
1888 if (qp->ibqp.qp_type != IB_QPT_UC && in rvt_qp_valid_operation()
1889 qp->ibqp.qp_type != IB_QPT_RC) { in rvt_qp_valid_operation()
1890 if (qp->ibqp.pd != ud_wr(wr)->ah->pd) in rvt_qp_valid_operation()
1912 struct rvt_qp *qp, in rvt_qp_is_avail() argument
1924 reserved_used = atomic_read(&qp->s_reserved_used); in rvt_qp_is_avail()
1930 if (likely(qp->s_avail)) in rvt_qp_is_avail()
1933 slast = smp_load_acquire(&qp->s_last); in rvt_qp_is_avail()
1934 if (qp->s_head >= slast) in rvt_qp_is_avail()
1935 avail = qp->s_size - (qp->s_head - slast); in rvt_qp_is_avail()
1937 avail = slast - qp->s_head; in rvt_qp_is_avail()
1939 reserved_used = atomic_read(&qp->s_reserved_used); in rvt_qp_is_avail()
1945 qp->s_avail = avail; in rvt_qp_is_avail()
1946 if (WARN_ON(qp->s_avail > in rvt_qp_is_avail()
1947 (qp->s_size - 1 - rdi->dparms.reserved_operations))) in rvt_qp_is_avail()
1950 qp->ibqp.qp_num, qp->s_size, qp->s_avail, in rvt_qp_is_avail()
1951 qp->s_head, qp->s_tail, qp->s_cur, in rvt_qp_is_avail()
1952 qp->s_acked, qp->s_last); in rvt_qp_is_avail()
1962 static int rvt_post_one_wr(struct rvt_qp *qp, in rvt_post_one_wr() argument
1973 struct rvt_dev_info *rdi = ib_to_rvt(qp->ibqp.device); in rvt_post_one_wr()
1983 if (unlikely(wr->num_sge > qp->s_max_sge)) in rvt_post_one_wr()
1986 ret = rvt_qp_valid_operation(qp, rdi->post_parms, wr); in rvt_post_one_wr()
2005 ret = rvt_fast_reg_mr(qp, in rvt_post_one_wr()
2014 atomic_read(&qp->local_ops_pending)) { in rvt_post_one_wr()
2018 qp, wr->ex.invalidate_rkey); in rvt_post_one_wr()
2031 ret = rvt_qp_is_avail(qp, rdi, reserved_op); in rvt_post_one_wr()
2034 next = qp->s_head + 1; in rvt_post_one_wr()
2035 if (next >= qp->s_size) in rvt_post_one_wr()
2039 pd = ibpd_to_rvtpd(qp->ibqp.pd); in rvt_post_one_wr()
2040 wqe = rvt_get_swqe_ptr(qp, qp->s_head); in rvt_post_one_wr()
2074 log_pmtu = qp->log_pmtu; in rvt_post_one_wr()
2075 if (qp->allowed_ops == IB_OPCODE_UD) { in rvt_post_one_wr()
2084 atomic_inc(&qp->local_ops_pending); in rvt_post_one_wr()
2091 wqe->ssn = qp->s_ssn++; in rvt_post_one_wr()
2092 wqe->psn = qp->s_next_psn; in rvt_post_one_wr()
2101 ret = rdi->driver_f.setup_wqe(qp, wqe, call_send); in rvt_post_one_wr()
2107 qp->s_next_psn = wqe->lpsn + 1; in rvt_post_one_wr()
2111 rvt_qp_wqe_reserve(qp, wqe); in rvt_post_one_wr()
2114 qp->s_avail--; in rvt_post_one_wr()
2116 trace_rvt_post_one_wr(qp, wqe, wr->num_sge); in rvt_post_one_wr()
2118 qp->s_head = next; in rvt_post_one_wr()
2123 if (qp->allowed_ops == IB_OPCODE_UD) in rvt_post_one_wr()
2148 struct rvt_qp *qp = ibqp_to_rvtqp(ibqp); in rvt_post_send() local
2155 spin_lock_irqsave(&qp->s_hlock, flags); in rvt_post_send()
2161 if (unlikely(!(ib_rvt_state_ops[qp->state] & RVT_POST_SEND_OK))) { in rvt_post_send()
2162 spin_unlock_irqrestore(&qp->s_hlock, flags); in rvt_post_send()
2171 call_send = qp->s_head == READ_ONCE(qp->s_last) && !wr->next; in rvt_post_send()
2174 err = rvt_post_one_wr(qp, wr, &call_send); in rvt_post_send()
2182 spin_unlock_irqrestore(&qp->s_hlock, flags); in rvt_post_send()
2189 rdi->driver_f.do_send(qp); in rvt_post_send()
2191 rdi->driver_f.schedule_send_no_lock(qp); in rvt_post_send()
2269 static int init_sge(struct rvt_qp *qp, struct rvt_rwqe *wqe) in init_sge() argument
2276 struct rvt_dev_info *rdi = ib_to_rvt(qp->ibqp.device); in init_sge()
2279 pd = ibpd_to_rvtpd(qp->ibqp.srq ? qp->ibqp.srq->pd : qp->ibqp.pd); in init_sge()
2280 ss = &qp->r_sge; in init_sge()
2281 ss->sg_list = qp->r_sg_list; in init_sge()
2282 qp->r_len = 0; in init_sge()
2292 qp->r_len += wqe->sg_list[i].length; in init_sge()
2296 ss->total_len = qp->r_len; in init_sge()
2310 wc.qp = &qp->ibqp; in init_sge()
2312 rvt_cq_enter(ibcq_to_rvtcq(qp->ibqp.recv_cq), &wc, 1); in init_sge()
2345 int rvt_get_rwqe(struct rvt_qp *qp, bool wr_id_only) in rvt_get_rwqe() argument
2359 if (qp->ibqp.srq) { in rvt_get_rwqe()
2360 srq = ibsrq_to_rvtsrq(qp->ibqp.srq); in rvt_get_rwqe()
2367 rq = &qp->r_rq; in rvt_get_rwqe()
2368 ip = qp->ip; in rvt_get_rwqe()
2372 if (!(ib_rvt_state_ops[qp->state] & RVT_PROCESS_RECV_OK)) { in rvt_get_rwqe()
2410 if (!wr_id_only && !init_sge(qp, wqe)) { in rvt_get_rwqe()
2414 qp->r_wr_id = wqe->wr_id; in rvt_get_rwqe()
2418 set_bit(RVT_R_WRID_VALID, &qp->r_aflags); in rvt_get_rwqe()
2433 ev.device = qp->ibqp.device; in rvt_get_rwqe()
2434 ev.element.srq = qp->ibqp.srq; in rvt_get_rwqe()
2452 void rvt_comm_est(struct rvt_qp *qp) in rvt_comm_est() argument
2454 qp->r_flags |= RVT_R_COMM_EST; in rvt_comm_est()
2455 if (qp->ibqp.event_handler) { in rvt_comm_est()
2458 ev.device = qp->ibqp.device; in rvt_comm_est()
2459 ev.element.qp = &qp->ibqp; in rvt_comm_est()
2461 qp->ibqp.event_handler(&ev, qp->ibqp.qp_context); in rvt_comm_est()
2466 void rvt_rc_error(struct rvt_qp *qp, enum ib_wc_status err) in rvt_rc_error() argument
2471 spin_lock_irqsave(&qp->s_lock, flags); in rvt_rc_error()
2472 lastwqe = rvt_error_qp(qp, err); in rvt_rc_error()
2473 spin_unlock_irqrestore(&qp->s_lock, flags); in rvt_rc_error()
2478 ev.device = qp->ibqp.device; in rvt_rc_error()
2479 ev.element.qp = &qp->ibqp; in rvt_rc_error()
2481 qp->ibqp.event_handler(&ev, qp->ibqp.qp_context); in rvt_rc_error()
2509 void rvt_add_retry_timer_ext(struct rvt_qp *qp, u8 shift) in rvt_add_retry_timer_ext() argument
2511 struct ib_qp *ibqp = &qp->ibqp; in rvt_add_retry_timer_ext()
2514 lockdep_assert_held(&qp->s_lock); in rvt_add_retry_timer_ext()
2515 qp->s_flags |= RVT_S_TIMER; in rvt_add_retry_timer_ext()
2517 qp->s_timer.expires = jiffies + rdi->busy_jiffies + in rvt_add_retry_timer_ext()
2518 (qp->timeout_jiffies << shift); in rvt_add_retry_timer_ext()
2519 add_timer(&qp->s_timer); in rvt_add_retry_timer_ext()
2528 void rvt_add_rnr_timer(struct rvt_qp *qp, u32 aeth) in rvt_add_rnr_timer() argument
2532 lockdep_assert_held(&qp->s_lock); in rvt_add_rnr_timer()
2533 qp->s_flags |= RVT_S_WAIT_RNR; in rvt_add_rnr_timer()
2535 trace_rvt_rnrnak_add(qp, to); in rvt_add_rnr_timer()
2536 hrtimer_start(&qp->s_rnr_timer, in rvt_add_rnr_timer()
2546 void rvt_stop_rc_timers(struct rvt_qp *qp) in rvt_stop_rc_timers() argument
2548 lockdep_assert_held(&qp->s_lock); in rvt_stop_rc_timers()
2550 if (qp->s_flags & (RVT_S_TIMER | RVT_S_WAIT_RNR)) { in rvt_stop_rc_timers()
2551 qp->s_flags &= ~(RVT_S_TIMER | RVT_S_WAIT_RNR); in rvt_stop_rc_timers()
2552 del_timer(&qp->s_timer); in rvt_stop_rc_timers()
2553 hrtimer_try_to_cancel(&qp->s_rnr_timer); in rvt_stop_rc_timers()
2565 static void rvt_stop_rnr_timer(struct rvt_qp *qp) in rvt_stop_rnr_timer() argument
2567 lockdep_assert_held(&qp->s_lock); in rvt_stop_rnr_timer()
2569 if (qp->s_flags & RVT_S_WAIT_RNR) { in rvt_stop_rnr_timer()
2570 qp->s_flags &= ~RVT_S_WAIT_RNR; in rvt_stop_rnr_timer()
2571 trace_rvt_rnrnak_stop(qp, 0); in rvt_stop_rnr_timer()
2579 void rvt_del_timers_sync(struct rvt_qp *qp) in rvt_del_timers_sync() argument
2581 del_timer_sync(&qp->s_timer); in rvt_del_timers_sync()
2582 hrtimer_cancel(&qp->s_rnr_timer); in rvt_del_timers_sync()
2591 struct rvt_qp *qp = from_timer(qp, t, s_timer); in rvt_rc_timeout() local
2592 struct rvt_dev_info *rdi = ib_to_rvt(qp->ibqp.device); in rvt_rc_timeout()
2595 spin_lock_irqsave(&qp->r_lock, flags); in rvt_rc_timeout()
2596 spin_lock(&qp->s_lock); in rvt_rc_timeout()
2597 if (qp->s_flags & RVT_S_TIMER) { in rvt_rc_timeout()
2598 struct rvt_ibport *rvp = rdi->ports[qp->port_num - 1]; in rvt_rc_timeout()
2600 qp->s_flags &= ~RVT_S_TIMER; in rvt_rc_timeout()
2602 del_timer(&qp->s_timer); in rvt_rc_timeout()
2603 trace_rvt_rc_timeout(qp, qp->s_last_psn + 1); in rvt_rc_timeout()
2605 rdi->driver_f.notify_restart_rc(qp, in rvt_rc_timeout()
2606 qp->s_last_psn + 1, in rvt_rc_timeout()
2608 rdi->driver_f.schedule_send(qp); in rvt_rc_timeout()
2610 spin_unlock(&qp->s_lock); in rvt_rc_timeout()
2611 spin_unlock_irqrestore(&qp->r_lock, flags); in rvt_rc_timeout()
2619 struct rvt_qp *qp = container_of(t, struct rvt_qp, s_rnr_timer); in rvt_rc_rnr_retry() local
2620 struct rvt_dev_info *rdi = ib_to_rvt(qp->ibqp.device); in rvt_rc_rnr_retry()
2623 spin_lock_irqsave(&qp->s_lock, flags); in rvt_rc_rnr_retry()
2624 rvt_stop_rnr_timer(qp); in rvt_rc_rnr_retry()
2625 trace_rvt_rnrnak_timeout(qp, 0); in rvt_rc_rnr_retry()
2626 rdi->driver_f.schedule_send(qp); in rvt_rc_rnr_retry()
2627 spin_unlock_irqrestore(&qp->s_lock, flags); in rvt_rc_rnr_retry()
2653 void (*cb)(struct rvt_qp *qp, u64 v)) in rvt_qp_iter_init() argument
2688 struct rvt_qp *pqp = iter->qp; in rvt_qp_iter_next()
2689 struct rvt_qp *qp; in rvt_qp_iter_next() local
2708 qp = rcu_dereference(pqp->next); in rvt_qp_iter_next()
2716 qp = rcu_dereference(rvp->qp[n & 1]); in rvt_qp_iter_next()
2718 qp = rcu_dereference( in rvt_qp_iter_next()
2723 pqp = qp; in rvt_qp_iter_next()
2724 if (qp) { in rvt_qp_iter_next()
2725 iter->qp = qp; in rvt_qp_iter_next()
2752 void (*cb)(struct rvt_qp *qp, u64 v)) in rvt_qp_iter() argument
2766 rvt_get_qp(i.qp); in rvt_qp_iter()
2768 i.cb(i.qp, i.v); in rvt_qp_iter()
2770 rvt_put_qp(i.qp); in rvt_qp_iter()
2780 void rvt_send_complete(struct rvt_qp *qp, struct rvt_swqe *wqe, in rvt_send_complete() argument
2786 if (!(ib_rvt_state_ops[qp->state] & RVT_PROCESS_OR_FLUSH_SEND)) in rvt_send_complete()
2788 rdi = ib_to_rvt(qp->ibqp.device); in rvt_send_complete()
2790 old_last = qp->s_last; in rvt_send_complete()
2791 trace_rvt_qp_send_completion(qp, wqe, old_last); in rvt_send_complete()
2792 last = rvt_qp_complete_swqe(qp, wqe, rdi->wc_opcode[wqe->wr.opcode], in rvt_send_complete()
2794 if (qp->s_acked == old_last) in rvt_send_complete()
2795 qp->s_acked = last; in rvt_send_complete()
2796 if (qp->s_cur == old_last) in rvt_send_complete()
2797 qp->s_cur = last; in rvt_send_complete()
2798 if (qp->s_tail == old_last) in rvt_send_complete()
2799 qp->s_tail = last; in rvt_send_complete()
2800 if (qp->state == IB_QPS_SQD && last == qp->s_cur) in rvt_send_complete()
2801 qp->s_draining = 0; in rvt_send_complete()
2814 void rvt_copy_sge(struct rvt_qp *qp, struct rvt_sge_state *ss, in rvt_copy_sge() argument
2822 struct rvt_dev_info *rdi = ib_to_rvt(qp->ibqp.device); in rvt_copy_sge()
2908 struct rvt_qp *qp; in rvt_ruc_loopback() local
2929 qp = rvt_lookup_qpn(ib_to_rvt(sqp->ibqp.device), rvp, in rvt_ruc_loopback()
2966 if (!qp) { in rvt_ruc_loopback()
2970 spin_lock_irqsave(&qp->r_lock, flags); in rvt_ruc_loopback()
2971 if (!(ib_rvt_state_ops[qp->state] & RVT_PROCESS_RECV_OK) || in rvt_ruc_loopback()
2972 qp->ibqp.qp_type != sqp->ibqp.qp_type) { in rvt_ruc_loopback()
3001 ret = rvt_get_rwqe(qp, false); in rvt_ruc_loopback()
3006 if (wqe->length > qp->r_len) in rvt_ruc_loopback()
3010 if (!rvt_invalidate_rkey(qp, in rvt_ruc_loopback()
3027 if (unlikely(!(qp->qp_access_flags & IB_ACCESS_REMOTE_WRITE))) in rvt_ruc_loopback()
3031 ret = rvt_get_rwqe(qp, true); in rvt_ruc_loopback()
3039 copy_last = rvt_is_user_qp(qp); in rvt_ruc_loopback()
3040 if (unlikely(!(qp->qp_access_flags & IB_ACCESS_REMOTE_WRITE))) in rvt_ruc_loopback()
3045 if (unlikely(!rvt_rkey_ok(qp, &qp->r_sge.sge, wqe->length, in rvt_ruc_loopback()
3050 qp->r_sge.sg_list = NULL; in rvt_ruc_loopback()
3051 qp->r_sge.num_sge = 1; in rvt_ruc_loopback()
3052 qp->r_sge.total_len = wqe->length; in rvt_ruc_loopback()
3056 if (unlikely(!(qp->qp_access_flags & IB_ACCESS_REMOTE_READ))) in rvt_ruc_loopback()
3058 if (unlikely(!rvt_rkey_ok(qp, &sqp->s_sge.sge, wqe->length, in rvt_ruc_loopback()
3066 qp->r_sge.sge = wqe->sg_list[0]; in rvt_ruc_loopback()
3067 qp->r_sge.sg_list = wqe->sg_list + 1; in rvt_ruc_loopback()
3068 qp->r_sge.num_sge = wqe->wr.num_sge; in rvt_ruc_loopback()
3069 qp->r_sge.total_len = wqe->length; in rvt_ruc_loopback()
3074 if (unlikely(!(qp->qp_access_flags & IB_ACCESS_REMOTE_ATOMIC))) in rvt_ruc_loopback()
3078 if (unlikely(!rvt_rkey_ok(qp, &qp->r_sge.sge, sizeof(u64), in rvt_ruc_loopback()
3084 maddr = (atomic64_t *)qp->r_sge.sge.vaddr; in rvt_ruc_loopback()
3089 (u64)cmpxchg((u64 *)qp->r_sge.sge.vaddr, in rvt_ruc_loopback()
3091 rvt_put_mr(qp->r_sge.sge.mr); in rvt_ruc_loopback()
3092 qp->r_sge.num_sge = 0; in rvt_ruc_loopback()
3105 rvt_copy_sge(qp, &qp->r_sge, sge->vaddr, in rvt_ruc_loopback()
3111 rvt_put_ss(&qp->r_sge); in rvt_ruc_loopback()
3113 if (!test_and_clear_bit(RVT_R_WRID_VALID, &qp->r_aflags)) in rvt_ruc_loopback()
3120 wc.wr_id = qp->r_wr_id; in rvt_ruc_loopback()
3123 wc.qp = &qp->ibqp; in rvt_ruc_loopback()
3124 wc.src_qp = qp->remote_qpn; in rvt_ruc_loopback()
3125 wc.slid = rdma_ah_get_dlid(&qp->remote_ah_attr) & U16_MAX; in rvt_ruc_loopback()
3126 wc.sl = rdma_ah_get_sl(&qp->remote_ah_attr); in rvt_ruc_loopback()
3129 rvt_recv_cq(qp, &wc, wqe->wr.send_flags & IB_SEND_SOLICITED); in rvt_ruc_loopback()
3132 spin_unlock_irqrestore(&qp->r_lock, flags); in rvt_ruc_loopback()
3148 if (qp->ibqp.qp_type == IB_QPT_UC) in rvt_ruc_loopback()
3161 spin_unlock_irqrestore(&qp->r_lock, flags); in rvt_ruc_loopback()
3165 rvt_add_rnr_timer(sqp, qp->r_min_rnr_timer << in rvt_ruc_loopback()
3187 rvt_rc_error(qp, wc.status); in rvt_ruc_loopback()
3190 spin_unlock_irqrestore(&qp->r_lock, flags); in rvt_ruc_loopback()
3209 ev.element.qp = &sqp->ibqp; in rvt_ruc_loopback()