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()
579 static void rvt_clear_mr_refs(struct rvt_qp *qp, int clr_sends) in rvt_clear_mr_refs() argument
582 struct rvt_dev_info *rdi = ib_to_rvt(qp->ibqp.device); in rvt_clear_mr_refs()
584 if (test_and_clear_bit(RVT_R_REWIND_SGE, &qp->r_aflags)) in rvt_clear_mr_refs()
585 rvt_put_ss(&qp->s_rdma_read_sge); in rvt_clear_mr_refs()
587 rvt_put_ss(&qp->r_sge); in rvt_clear_mr_refs()
590 while (qp->s_last != qp->s_head) { in rvt_clear_mr_refs()
591 struct rvt_swqe *wqe = rvt_get_swqe_ptr(qp, qp->s_last); in rvt_clear_mr_refs()
593 rvt_put_qp_swqe(qp, wqe); in rvt_clear_mr_refs()
594 if (++qp->s_last >= qp->s_size) in rvt_clear_mr_refs()
595 qp->s_last = 0; in rvt_clear_mr_refs()
598 if (qp->s_rdma_mr) { in rvt_clear_mr_refs()
599 rvt_put_mr(qp->s_rdma_mr); in rvt_clear_mr_refs()
600 qp->s_rdma_mr = NULL; in rvt_clear_mr_refs()
604 for (n = 0; qp->s_ack_queue && n < rvt_max_atomic(rdi); n++) { in rvt_clear_mr_refs()
605 struct rvt_ack_entry *e = &qp->s_ack_queue[n]; in rvt_clear_mr_refs()
639 static bool rvt_qp_sends_has_lkey(struct rvt_qp *qp, u32 lkey) in rvt_qp_sends_has_lkey() argument
641 u32 s_last = qp->s_last; in rvt_qp_sends_has_lkey()
643 while (s_last != qp->s_head) { in rvt_qp_sends_has_lkey()
644 struct rvt_swqe *wqe = rvt_get_swqe_ptr(qp, s_last); in rvt_qp_sends_has_lkey()
649 if (++s_last >= qp->s_size) in rvt_qp_sends_has_lkey()
652 if (qp->s_rdma_mr) in rvt_qp_sends_has_lkey()
653 if (rvt_mr_has_lkey(qp->s_rdma_mr, lkey)) in rvt_qp_sends_has_lkey()
663 static bool rvt_qp_acks_has_lkey(struct rvt_qp *qp, u32 lkey) in rvt_qp_acks_has_lkey() argument
666 struct rvt_dev_info *rdi = ib_to_rvt(qp->ibqp.device); in rvt_qp_acks_has_lkey()
668 for (i = 0; qp->s_ack_queue && i < rvt_max_atomic(rdi); i++) { in rvt_qp_acks_has_lkey()
669 struct rvt_ack_entry *e = &qp->s_ack_queue[i]; in rvt_qp_acks_has_lkey()
688 void rvt_qp_mr_clean(struct rvt_qp *qp, u32 lkey) in rvt_qp_mr_clean() argument
692 if (qp->ibqp.qp_type == IB_QPT_SMI || in rvt_qp_mr_clean()
693 qp->ibqp.qp_type == IB_QPT_GSI) in rvt_qp_mr_clean()
696 spin_lock_irq(&qp->r_lock); in rvt_qp_mr_clean()
697 spin_lock(&qp->s_hlock); in rvt_qp_mr_clean()
698 spin_lock(&qp->s_lock); in rvt_qp_mr_clean()
700 if (qp->state == IB_QPS_ERR || qp->state == IB_QPS_RESET) in rvt_qp_mr_clean()
703 if (rvt_ss_has_lkey(&qp->r_sge, lkey) || in rvt_qp_mr_clean()
704 rvt_qp_sends_has_lkey(qp, lkey) || in rvt_qp_mr_clean()
705 rvt_qp_acks_has_lkey(qp, lkey)) in rvt_qp_mr_clean()
706 lastwqe = rvt_error_qp(qp, IB_WC_LOC_PROT_ERR); in rvt_qp_mr_clean()
708 spin_unlock(&qp->s_lock); in rvt_qp_mr_clean()
709 spin_unlock(&qp->s_hlock); in rvt_qp_mr_clean()
710 spin_unlock_irq(&qp->r_lock); in rvt_qp_mr_clean()
714 ev.device = qp->ibqp.device; in rvt_qp_mr_clean()
715 ev.element.qp = &qp->ibqp; in rvt_qp_mr_clean()
717 qp->ibqp.event_handler(&ev, qp->ibqp.qp_context); in rvt_qp_mr_clean()
729 static void rvt_remove_qp(struct rvt_dev_info *rdi, struct rvt_qp *qp) in rvt_remove_qp() argument
731 struct rvt_ibport *rvp = rdi->ports[qp->port_num - 1]; in rvt_remove_qp()
732 u32 n = hash_32(qp->ibqp.qp_num, rdi->qp_dev->qp_table_bits); in rvt_remove_qp()
738 if (rcu_dereference_protected(rvp->qp[0], in rvt_remove_qp()
739 lockdep_is_held(&rdi->qp_dev->qpt_lock)) == qp) { in rvt_remove_qp()
740 RCU_INIT_POINTER(rvp->qp[0], NULL); in rvt_remove_qp()
741 } else if (rcu_dereference_protected(rvp->qp[1], in rvt_remove_qp()
742 lockdep_is_held(&rdi->qp_dev->qpt_lock)) == qp) { in rvt_remove_qp()
743 RCU_INIT_POINTER(rvp->qp[1], NULL); in rvt_remove_qp()
753 if (q == qp) { in rvt_remove_qp()
755 rcu_dereference_protected(qp->next, in rvt_remove_qp()
758 trace_rvt_qpremove(qp, n); in rvt_remove_qp()
767 rvt_put_qp(qp); in rvt_remove_qp()
823 static void rvt_init_qp(struct rvt_dev_info *rdi, struct rvt_qp *qp, in rvt_init_qp() argument
826 qp->remote_qpn = 0; in rvt_init_qp()
827 qp->qkey = 0; in rvt_init_qp()
828 qp->qp_access_flags = 0; in rvt_init_qp()
829 qp->s_flags &= RVT_S_SIGNAL_REQ_WR; in rvt_init_qp()
830 qp->s_hdrwords = 0; in rvt_init_qp()
831 qp->s_wqe = NULL; in rvt_init_qp()
832 qp->s_draining = 0; in rvt_init_qp()
833 qp->s_next_psn = 0; in rvt_init_qp()
834 qp->s_last_psn = 0; in rvt_init_qp()
835 qp->s_sending_psn = 0; in rvt_init_qp()
836 qp->s_sending_hpsn = 0; in rvt_init_qp()
837 qp->s_psn = 0; in rvt_init_qp()
838 qp->r_psn = 0; in rvt_init_qp()
839 qp->r_msn = 0; in rvt_init_qp()
841 qp->s_state = IB_OPCODE_RC_SEND_LAST; in rvt_init_qp()
842 qp->r_state = IB_OPCODE_RC_SEND_LAST; in rvt_init_qp()
844 qp->s_state = IB_OPCODE_UC_SEND_LAST; in rvt_init_qp()
845 qp->r_state = IB_OPCODE_UC_SEND_LAST; in rvt_init_qp()
847 qp->s_ack_state = IB_OPCODE_RC_ACKNOWLEDGE; in rvt_init_qp()
848 qp->r_nak_state = 0; in rvt_init_qp()
849 qp->r_aflags = 0; in rvt_init_qp()
850 qp->r_flags = 0; in rvt_init_qp()
851 qp->s_head = 0; in rvt_init_qp()
852 qp->s_tail = 0; in rvt_init_qp()
853 qp->s_cur = 0; in rvt_init_qp()
854 qp->s_acked = 0; in rvt_init_qp()
855 qp->s_last = 0; in rvt_init_qp()
856 qp->s_ssn = 1; in rvt_init_qp()
857 qp->s_lsn = 0; in rvt_init_qp()
858 qp->s_mig_state = IB_MIG_MIGRATED; in rvt_init_qp()
859 qp->r_head_ack_queue = 0; in rvt_init_qp()
860 qp->s_tail_ack_queue = 0; in rvt_init_qp()
861 qp->s_acked_ack_queue = 0; in rvt_init_qp()
862 qp->s_num_rd_atomic = 0; in rvt_init_qp()
863 qp->r_sge.num_sge = 0; in rvt_init_qp()
864 atomic_set(&qp->s_reserved_used, 0); in rvt_init_qp()
875 static void _rvt_reset_qp(struct rvt_dev_info *rdi, struct rvt_qp *qp, in _rvt_reset_qp() argument
877 __must_hold(&qp->s_lock) in _rvt_reset_qp()
878 __must_hold(&qp->s_hlock) in _rvt_reset_qp()
879 __must_hold(&qp->r_lock) in _rvt_reset_qp()
881 lockdep_assert_held(&qp->r_lock); in _rvt_reset_qp()
882 lockdep_assert_held(&qp->s_hlock); in _rvt_reset_qp()
883 lockdep_assert_held(&qp->s_lock); in _rvt_reset_qp()
884 if (qp->state != IB_QPS_RESET) { in _rvt_reset_qp()
885 qp->state = IB_QPS_RESET; in _rvt_reset_qp()
888 rdi->driver_f.flush_qp_waiters(qp); in _rvt_reset_qp()
889 rvt_stop_rc_timers(qp); in _rvt_reset_qp()
890 qp->s_flags &= ~(RVT_S_TIMER | RVT_S_ANY_WAIT); in _rvt_reset_qp()
891 spin_unlock(&qp->s_lock); in _rvt_reset_qp()
892 spin_unlock(&qp->s_hlock); in _rvt_reset_qp()
893 spin_unlock_irq(&qp->r_lock); in _rvt_reset_qp()
896 rdi->driver_f.stop_send_queue(qp); in _rvt_reset_qp()
897 rvt_del_timers_sync(qp); in _rvt_reset_qp()
899 rdi->driver_f.quiesce_qp(qp); in _rvt_reset_qp()
902 rvt_remove_qp(rdi, qp); in _rvt_reset_qp()
905 spin_lock_irq(&qp->r_lock); in _rvt_reset_qp()
906 spin_lock(&qp->s_hlock); in _rvt_reset_qp()
907 spin_lock(&qp->s_lock); in _rvt_reset_qp()
909 rvt_clear_mr_refs(qp, 1); in _rvt_reset_qp()
914 rdi->driver_f.notify_qp_reset(qp); in _rvt_reset_qp()
916 rvt_init_qp(rdi, qp, type); in _rvt_reset_qp()
917 lockdep_assert_held(&qp->r_lock); in _rvt_reset_qp()
918 lockdep_assert_held(&qp->s_hlock); in _rvt_reset_qp()
919 lockdep_assert_held(&qp->s_lock); in _rvt_reset_qp()
931 static void rvt_reset_qp(struct rvt_dev_info *rdi, struct rvt_qp *qp, in rvt_reset_qp() argument
934 spin_lock_irq(&qp->r_lock); in rvt_reset_qp()
935 spin_lock(&qp->s_hlock); in rvt_reset_qp()
936 spin_lock(&qp->s_lock); in rvt_reset_qp()
937 _rvt_reset_qp(rdi, qp, type); in rvt_reset_qp()
938 spin_unlock(&qp->s_lock); in rvt_reset_qp()
939 spin_unlock(&qp->s_hlock); in rvt_reset_qp()
940 spin_unlock_irq(&qp->r_lock); in rvt_reset_qp()
977 static void free_ud_wq_attr(struct rvt_qp *qp) in free_ud_wq_attr() argument
982 for (i = 0; qp->allowed_ops == IB_OPCODE_UD && i < qp->s_size; i++) { in free_ud_wq_attr()
983 wqe = rvt_get_swqe_ptr(qp, i); in free_ud_wq_attr()
997 static int alloc_ud_wq_attr(struct rvt_qp *qp, int node) in alloc_ud_wq_attr() argument
1002 for (i = 0; qp->allowed_ops == IB_OPCODE_UD && i < qp->s_size; i++) { in alloc_ud_wq_attr()
1003 wqe = rvt_get_swqe_ptr(qp, i); in alloc_ud_wq_attr()
1007 free_ud_wq_attr(qp); in alloc_ud_wq_attr()
1032 struct rvt_qp *qp = ibqp_to_rvtqp(ibqp); in rvt_create_qp() local
1087 sg_list_sz = sizeof(*qp->r_sg_list) * in rvt_create_qp()
1090 sg_list_sz = sizeof(*qp->r_sg_list) * in rvt_create_qp()
1092 qp->r_sg_list = in rvt_create_qp()
1094 if (!qp->r_sg_list) in rvt_create_qp()
1096 qp->allowed_ops = get_allowed_ops(init_attr->qp_type); in rvt_create_qp()
1098 RCU_INIT_POINTER(qp->next, NULL); in rvt_create_qp()
1100 qp->s_ack_queue = in rvt_create_qp()
1102 sizeof(*qp->s_ack_queue), in rvt_create_qp()
1105 if (!qp->s_ack_queue) in rvt_create_qp()
1109 timer_setup(&qp->s_timer, rvt_rc_timeout, 0); in rvt_create_qp()
1110 hrtimer_init(&qp->s_rnr_timer, CLOCK_MONOTONIC, in rvt_create_qp()
1112 qp->s_rnr_timer.function = rvt_rc_rnr_retry; in rvt_create_qp()
1118 priv = rdi->driver_f.qp_priv_alloc(rdi, qp); in rvt_create_qp()
1123 qp->priv = priv; in rvt_create_qp()
1124 qp->timeout_jiffies = in rvt_create_qp()
1125 usecs_to_jiffies((4096UL * (1UL << qp->timeout)) / in rvt_create_qp()
1130 qp->r_rq.size = init_attr->cap.max_recv_wr + 1; in rvt_create_qp()
1131 qp->r_rq.max_sge = init_attr->cap.max_recv_sge; in rvt_create_qp()
1132 sz = (sizeof(struct ib_sge) * qp->r_rq.max_sge) + in rvt_create_qp()
1134 ret = rvt_alloc_rq(&qp->r_rq, qp->r_rq.size * sz, in rvt_create_qp()
1144 spin_lock_init(&qp->r_lock); in rvt_create_qp()
1145 spin_lock_init(&qp->s_hlock); in rvt_create_qp()
1146 spin_lock_init(&qp->s_lock); in rvt_create_qp()
1147 atomic_set(&qp->refcount, 0); in rvt_create_qp()
1148 atomic_set(&qp->local_ops_pending, 0); in rvt_create_qp()
1149 init_waitqueue_head(&qp->wait); in rvt_create_qp()
1150 INIT_LIST_HEAD(&qp->rspwait); in rvt_create_qp()
1151 qp->state = IB_QPS_RESET; in rvt_create_qp()
1152 qp->s_wq = swq; in rvt_create_qp()
1153 qp->s_size = sqsize; in rvt_create_qp()
1154 qp->s_avail = init_attr->cap.max_send_wr; in rvt_create_qp()
1155 qp->s_max_sge = init_attr->cap.max_send_sge; in rvt_create_qp()
1157 qp->s_flags = RVT_S_SIGNAL_REQ_WR; in rvt_create_qp()
1158 ret = alloc_ud_wq_attr(qp, rdi->dparms.node); in rvt_create_qp()
1172 qp->ibqp.qp_num = ret; in rvt_create_qp()
1174 qp->ibqp.qp_num |= RVT_AIP_QP_BASE; in rvt_create_qp()
1175 qp->port_num = init_attr->port_num; in rvt_create_qp()
1176 rvt_init_qp(rdi, qp, init_attr->qp_type); in rvt_create_qp()
1178 ret = rdi->driver_f.qp_priv_init(rdi, qp, init_attr); in rvt_create_qp()
1196 if (!qp->r_rq.wq) { in rvt_create_qp()
1204 u32 s = sizeof(struct rvt_rwq) + qp->r_rq.size * sz; in rvt_create_qp()
1206 qp->ip = rvt_create_mmap_info(rdi, s, udata, in rvt_create_qp()
1207 qp->r_rq.wq); in rvt_create_qp()
1208 if (IS_ERR(qp->ip)) { in rvt_create_qp()
1209 ret = PTR_ERR(qp->ip); in rvt_create_qp()
1213 ret = ib_copy_to_udata(udata, &qp->ip->offset, in rvt_create_qp()
1214 sizeof(qp->ip->offset)); in rvt_create_qp()
1218 qp->pid = current->pid; in rvt_create_qp()
1244 if (qp->ip) { in rvt_create_qp()
1246 list_add(&qp->ip->pending_mmaps, &rdi->pending_mmaps); in rvt_create_qp()
1253 if (qp->ip) in rvt_create_qp()
1254 kref_put(&qp->ip->ref, rvt_release_mmap_info); in rvt_create_qp()
1257 rvt_free_qpn(&rdi->qp_dev->qpn_table, qp->ibqp.qp_num); in rvt_create_qp()
1260 free_ud_wq_attr(qp); in rvt_create_qp()
1263 rvt_free_rq(&qp->r_rq); in rvt_create_qp()
1266 rdi->driver_f.qp_priv_free(rdi, qp); in rvt_create_qp()
1269 kfree(qp->s_ack_queue); in rvt_create_qp()
1270 kfree(qp->r_sg_list); in rvt_create_qp()
1286 int rvt_error_qp(struct rvt_qp *qp, enum ib_wc_status err) in rvt_error_qp() argument
1290 struct rvt_dev_info *rdi = ib_to_rvt(qp->ibqp.device); in rvt_error_qp()
1292 lockdep_assert_held(&qp->r_lock); in rvt_error_qp()
1293 lockdep_assert_held(&qp->s_lock); in rvt_error_qp()
1294 if (qp->state == IB_QPS_ERR || qp->state == IB_QPS_RESET) in rvt_error_qp()
1297 qp->state = IB_QPS_ERR; in rvt_error_qp()
1299 if (qp->s_flags & (RVT_S_TIMER | RVT_S_WAIT_RNR)) { in rvt_error_qp()
1300 qp->s_flags &= ~(RVT_S_TIMER | RVT_S_WAIT_RNR); in rvt_error_qp()
1301 del_timer(&qp->s_timer); in rvt_error_qp()
1304 if (qp->s_flags & RVT_S_ANY_WAIT_SEND) in rvt_error_qp()
1305 qp->s_flags &= ~RVT_S_ANY_WAIT_SEND; in rvt_error_qp()
1307 rdi->driver_f.notify_error_qp(qp); in rvt_error_qp()
1310 if (READ_ONCE(qp->s_last) != qp->s_head) in rvt_error_qp()
1311 rdi->driver_f.schedule_send(qp); in rvt_error_qp()
1313 rvt_clear_mr_refs(qp, 0); in rvt_error_qp()
1316 wc.qp = &qp->ibqp; in rvt_error_qp()
1319 if (test_and_clear_bit(RVT_R_WRID_VALID, &qp->r_aflags)) { in rvt_error_qp()
1320 wc.wr_id = qp->r_wr_id; in rvt_error_qp()
1322 rvt_cq_enter(ibcq_to_rvtcq(qp->ibqp.recv_cq), &wc, 1); in rvt_error_qp()
1326 if (qp->r_rq.kwq) { in rvt_error_qp()
1332 spin_lock(&qp->r_rq.kwq->c_lock); in rvt_error_qp()
1334 if (qp->ip) { in rvt_error_qp()
1335 wq = qp->r_rq.wq; in rvt_error_qp()
1339 kwq = qp->r_rq.kwq; in rvt_error_qp()
1344 if (head >= qp->r_rq.size) in rvt_error_qp()
1346 if (tail >= qp->r_rq.size) in rvt_error_qp()
1349 wc.wr_id = rvt_get_rwqe_ptr(&qp->r_rq, tail)->wr_id; in rvt_error_qp()
1350 if (++tail >= qp->r_rq.size) in rvt_error_qp()
1352 rvt_cq_enter(ibcq_to_rvtcq(qp->ibqp.recv_cq), &wc, 1); in rvt_error_qp()
1354 if (qp->ip) in rvt_error_qp()
1358 spin_unlock(&qp->r_rq.kwq->c_lock); in rvt_error_qp()
1359 } else if (qp->ibqp.event_handler) { in rvt_error_qp()
1372 static void rvt_insert_qp(struct rvt_dev_info *rdi, struct rvt_qp *qp) in rvt_insert_qp() argument
1374 struct rvt_ibport *rvp = rdi->ports[qp->port_num - 1]; in rvt_insert_qp()
1377 rvt_get_qp(qp); in rvt_insert_qp()
1380 if (qp->ibqp.qp_num <= 1) { in rvt_insert_qp()
1381 rcu_assign_pointer(rvp->qp[qp->ibqp.qp_num], qp); in rvt_insert_qp()
1383 u32 n = hash_32(qp->ibqp.qp_num, rdi->qp_dev->qp_table_bits); in rvt_insert_qp()
1385 qp->next = rdi->qp_dev->qp_table[n]; in rvt_insert_qp()
1386 rcu_assign_pointer(rdi->qp_dev->qp_table[n], qp); in rvt_insert_qp()
1387 trace_rvt_qpinsert(qp, n); in rvt_insert_qp()
1406 struct rvt_qp *qp = ibqp_to_rvtqp(ibqp); in rvt_modify_qp() local
1417 spin_lock_irq(&qp->r_lock); in rvt_modify_qp()
1418 spin_lock(&qp->s_hlock); in rvt_modify_qp()
1419 spin_lock(&qp->s_lock); in rvt_modify_qp()
1422 attr->cur_qp_state : qp->state; in rvt_modify_qp()
1424 opa_ah = rdma_cap_opa_ah(ibqp->device, qp->port_num); in rvt_modify_qp()
1431 rdi->driver_f.check_modify_qp(qp, attr, attr_mask, udata)) in rvt_modify_qp()
1445 if (rvt_check_ah(qp->ibqp.device, &attr->ah_attr)) in rvt_modify_qp()
1460 if (rvt_check_ah(qp->ibqp.device, &attr->alt_ah_attr)) in rvt_modify_qp()
1475 if (qp->ibqp.qp_type == IB_QPT_SMI || in rvt_modify_qp()
1476 qp->ibqp.qp_type == IB_QPT_GSI || in rvt_modify_qp()
1502 pmtu = rdi->driver_f.get_pmtu_from_attr(rdi, qp, attr); in rvt_modify_qp()
1509 if (qp->s_mig_state == IB_MIG_ARMED) in rvt_modify_qp()
1514 if (qp->s_mig_state == IB_MIG_REARM) in rvt_modify_qp()
1518 if (qp->s_mig_state == IB_MIG_ARMED) in rvt_modify_qp()
1531 if (qp->state != IB_QPS_RESET) in rvt_modify_qp()
1532 _rvt_reset_qp(rdi, qp, ibqp->qp_type); in rvt_modify_qp()
1537 qp->r_flags &= ~RVT_R_COMM_EST; in rvt_modify_qp()
1538 qp->state = new_state; in rvt_modify_qp()
1542 qp->s_draining = qp->s_last != qp->s_cur; in rvt_modify_qp()
1543 qp->state = new_state; in rvt_modify_qp()
1547 if (qp->ibqp.qp_type == IB_QPT_RC) in rvt_modify_qp()
1549 qp->state = new_state; in rvt_modify_qp()
1553 lastwqe = rvt_error_qp(qp, IB_WC_WR_FLUSH_ERR); in rvt_modify_qp()
1557 qp->state = new_state; in rvt_modify_qp()
1562 qp->s_pkey_index = attr->pkey_index; in rvt_modify_qp()
1565 qp->port_num = attr->port_num; in rvt_modify_qp()
1568 qp->remote_qpn = attr->dest_qp_num; in rvt_modify_qp()
1571 qp->s_next_psn = attr->sq_psn & rdi->dparms.psn_modify_mask; in rvt_modify_qp()
1572 qp->s_psn = qp->s_next_psn; in rvt_modify_qp()
1573 qp->s_sending_psn = qp->s_next_psn; in rvt_modify_qp()
1574 qp->s_last_psn = qp->s_next_psn - 1; in rvt_modify_qp()
1575 qp->s_sending_hpsn = qp->s_last_psn; in rvt_modify_qp()
1579 qp->r_psn = attr->rq_psn & rdi->dparms.psn_modify_mask; in rvt_modify_qp()
1582 qp->qp_access_flags = attr->qp_access_flags; in rvt_modify_qp()
1585 rdma_replace_ah_attr(&qp->remote_ah_attr, &attr->ah_attr); in rvt_modify_qp()
1586 qp->s_srate = rdma_ah_get_static_rate(&attr->ah_attr); in rvt_modify_qp()
1587 qp->srate_mbps = ib_rate_to_mbps(qp->s_srate); in rvt_modify_qp()
1591 rdma_replace_ah_attr(&qp->alt_ah_attr, &attr->alt_ah_attr); in rvt_modify_qp()
1592 qp->s_alt_pkey_index = attr->alt_pkey_index; in rvt_modify_qp()
1596 qp->s_mig_state = attr->path_mig_state; in rvt_modify_qp()
1598 qp->remote_ah_attr = qp->alt_ah_attr; in rvt_modify_qp()
1599 qp->port_num = rdma_ah_get_port_num(&qp->alt_ah_attr); in rvt_modify_qp()
1600 qp->s_pkey_index = qp->s_alt_pkey_index; in rvt_modify_qp()
1605 qp->pmtu = rdi->driver_f.mtu_from_qp(rdi, qp, pmtu); in rvt_modify_qp()
1606 qp->log_pmtu = ilog2(qp->pmtu); in rvt_modify_qp()
1610 qp->s_retry_cnt = attr->retry_cnt; in rvt_modify_qp()
1611 qp->s_retry = attr->retry_cnt; in rvt_modify_qp()
1615 qp->s_rnr_retry_cnt = attr->rnr_retry; in rvt_modify_qp()
1616 qp->s_rnr_retry = attr->rnr_retry; in rvt_modify_qp()
1620 qp->r_min_rnr_timer = attr->min_rnr_timer; in rvt_modify_qp()
1623 qp->timeout = attr->timeout; in rvt_modify_qp()
1624 qp->timeout_jiffies = rvt_timeout_to_jiffies(qp->timeout); in rvt_modify_qp()
1628 qp->qkey = attr->qkey; in rvt_modify_qp()
1631 qp->r_max_rd_atomic = attr->max_dest_rd_atomic; in rvt_modify_qp()
1634 qp->s_max_rd_atomic = attr->max_rd_atomic; in rvt_modify_qp()
1637 rdi->driver_f.modify_qp(qp, attr, attr_mask, udata); in rvt_modify_qp()
1639 spin_unlock(&qp->s_lock); in rvt_modify_qp()
1640 spin_unlock(&qp->s_hlock); in rvt_modify_qp()
1641 spin_unlock_irq(&qp->r_lock); in rvt_modify_qp()
1644 rvt_insert_qp(rdi, qp); in rvt_modify_qp()
1647 ev.device = qp->ibqp.device; in rvt_modify_qp()
1648 ev.element.qp = &qp->ibqp; in rvt_modify_qp()
1650 qp->ibqp.event_handler(&ev, qp->ibqp.qp_context); in rvt_modify_qp()
1653 ev.device = qp->ibqp.device; in rvt_modify_qp()
1654 ev.element.qp = &qp->ibqp; in rvt_modify_qp()
1656 qp->ibqp.event_handler(&ev, qp->ibqp.qp_context); in rvt_modify_qp()
1661 spin_unlock(&qp->s_lock); in rvt_modify_qp()
1662 spin_unlock(&qp->s_hlock); in rvt_modify_qp()
1663 spin_unlock_irq(&qp->r_lock); in rvt_modify_qp()
1679 struct rvt_qp *qp = ibqp_to_rvtqp(ibqp); in rvt_destroy_qp() local
1682 rvt_reset_qp(rdi, qp, ibqp->qp_type); in rvt_destroy_qp()
1684 wait_event(qp->wait, !atomic_read(&qp->refcount)); in rvt_destroy_qp()
1686 rvt_free_qpn(&rdi->qp_dev->qpn_table, qp->ibqp.qp_num); in rvt_destroy_qp()
1690 if (qp->ibqp.qp_type == IB_QPT_RC) { in rvt_destroy_qp()
1696 if (qp->ip) in rvt_destroy_qp()
1697 kref_put(&qp->ip->ref, rvt_release_mmap_info); in rvt_destroy_qp()
1698 kvfree(qp->r_rq.kwq); in rvt_destroy_qp()
1699 rdi->driver_f.qp_priv_free(rdi, qp); in rvt_destroy_qp()
1700 kfree(qp->s_ack_queue); in rvt_destroy_qp()
1701 kfree(qp->r_sg_list); in rvt_destroy_qp()
1702 rdma_destroy_ah_attr(&qp->remote_ah_attr); in rvt_destroy_qp()
1703 rdma_destroy_ah_attr(&qp->alt_ah_attr); in rvt_destroy_qp()
1704 free_ud_wq_attr(qp); in rvt_destroy_qp()
1705 vfree(qp->s_wq); in rvt_destroy_qp()
1721 struct rvt_qp *qp = ibqp_to_rvtqp(ibqp); in rvt_query_qp() local
1724 attr->qp_state = qp->state; in rvt_query_qp()
1726 attr->path_mtu = rdi->driver_f.mtu_to_path_mtu(qp->pmtu); in rvt_query_qp()
1727 attr->path_mig_state = qp->s_mig_state; in rvt_query_qp()
1728 attr->qkey = qp->qkey; in rvt_query_qp()
1729 attr->rq_psn = qp->r_psn & rdi->dparms.psn_mask; in rvt_query_qp()
1730 attr->sq_psn = qp->s_next_psn & rdi->dparms.psn_mask; in rvt_query_qp()
1731 attr->dest_qp_num = qp->remote_qpn; in rvt_query_qp()
1732 attr->qp_access_flags = qp->qp_access_flags; in rvt_query_qp()
1733 attr->cap.max_send_wr = qp->s_size - 1 - in rvt_query_qp()
1735 attr->cap.max_recv_wr = qp->ibqp.srq ? 0 : qp->r_rq.size - 1; in rvt_query_qp()
1736 attr->cap.max_send_sge = qp->s_max_sge; in rvt_query_qp()
1737 attr->cap.max_recv_sge = qp->r_rq.max_sge; in rvt_query_qp()
1739 attr->ah_attr = qp->remote_ah_attr; in rvt_query_qp()
1740 attr->alt_ah_attr = qp->alt_ah_attr; in rvt_query_qp()
1741 attr->pkey_index = qp->s_pkey_index; in rvt_query_qp()
1742 attr->alt_pkey_index = qp->s_alt_pkey_index; in rvt_query_qp()
1744 attr->sq_draining = qp->s_draining; in rvt_query_qp()
1745 attr->max_rd_atomic = qp->s_max_rd_atomic; in rvt_query_qp()
1746 attr->max_dest_rd_atomic = qp->r_max_rd_atomic; in rvt_query_qp()
1747 attr->min_rnr_timer = qp->r_min_rnr_timer; in rvt_query_qp()
1748 attr->port_num = qp->port_num; in rvt_query_qp()
1749 attr->timeout = qp->timeout; in rvt_query_qp()
1750 attr->retry_cnt = qp->s_retry_cnt; in rvt_query_qp()
1751 attr->rnr_retry = qp->s_rnr_retry_cnt; in rvt_query_qp()
1753 rdma_ah_get_port_num(&qp->alt_ah_attr); in rvt_query_qp()
1754 attr->alt_timeout = qp->alt_timeout; in rvt_query_qp()
1756 init_attr->event_handler = qp->ibqp.event_handler; in rvt_query_qp()
1757 init_attr->qp_context = qp->ibqp.qp_context; in rvt_query_qp()
1758 init_attr->send_cq = qp->ibqp.send_cq; in rvt_query_qp()
1759 init_attr->recv_cq = qp->ibqp.recv_cq; in rvt_query_qp()
1760 init_attr->srq = qp->ibqp.srq; in rvt_query_qp()
1762 if (qp->s_flags & RVT_S_SIGNAL_REQ_WR) in rvt_query_qp()
1766 init_attr->qp_type = qp->ibqp.qp_type; in rvt_query_qp()
1767 init_attr->port_num = qp->port_num; in rvt_query_qp()
1784 struct rvt_qp *qp = ibqp_to_rvtqp(ibqp); in rvt_post_recv() local
1785 struct rvt_krwq *wq = qp->r_rq.kwq; in rvt_post_recv()
1787 int qp_err_flush = (ib_rvt_state_ops[qp->state] & RVT_FLUSH_RECV) && in rvt_post_recv()
1788 !qp->ibqp.srq; in rvt_post_recv()
1791 if (!(ib_rvt_state_ops[qp->state] & RVT_POST_RECV_OK) || !wq) { in rvt_post_recv()
1801 if ((unsigned)wr->num_sge > qp->r_rq.max_sge) { in rvt_post_recv()
1806 spin_lock_irqsave(&qp->r_rq.kwq->p_lock, flags); in rvt_post_recv()
1808 if (next >= qp->r_rq.size) in rvt_post_recv()
1811 spin_unlock_irqrestore(&qp->r_rq.kwq->p_lock, flags); in rvt_post_recv()
1819 wc.qp = &qp->ibqp; in rvt_post_recv()
1823 rvt_cq_enter(ibcq_to_rvtcq(qp->ibqp.recv_cq), &wc, 1); in rvt_post_recv()
1825 wqe = rvt_get_rwqe_ptr(&qp->r_rq, wq->head); in rvt_post_recv()
1839 spin_unlock_irqrestore(&qp->r_rq.kwq->p_lock, flags); in rvt_post_recv()
1863 struct rvt_qp *qp, in rvt_qp_valid_operation() argument
1871 if (!(post_parms[wr->opcode].qpt_support & BIT(qp->ibqp.qp_type))) in rvt_qp_valid_operation()
1874 ibpd_to_rvtpd(qp->ibqp.pd)->user) in rvt_qp_valid_operation()
1882 !qp->s_max_rd_atomic) in rvt_qp_valid_operation()
1886 if (qp->ibqp.qp_type != IB_QPT_UC && in rvt_qp_valid_operation()
1887 qp->ibqp.qp_type != IB_QPT_RC) { in rvt_qp_valid_operation()
1888 if (qp->ibqp.pd != ud_wr(wr)->ah->pd) in rvt_qp_valid_operation()
1910 struct rvt_qp *qp, in rvt_qp_is_avail() argument
1922 reserved_used = atomic_read(&qp->s_reserved_used); in rvt_qp_is_avail()
1928 if (likely(qp->s_avail)) in rvt_qp_is_avail()
1931 slast = smp_load_acquire(&qp->s_last); in rvt_qp_is_avail()
1932 if (qp->s_head >= slast) in rvt_qp_is_avail()
1933 avail = qp->s_size - (qp->s_head - slast); in rvt_qp_is_avail()
1935 avail = slast - qp->s_head; in rvt_qp_is_avail()
1937 reserved_used = atomic_read(&qp->s_reserved_used); in rvt_qp_is_avail()
1943 qp->s_avail = avail; in rvt_qp_is_avail()
1944 if (WARN_ON(qp->s_avail > in rvt_qp_is_avail()
1945 (qp->s_size - 1 - rdi->dparms.reserved_operations))) in rvt_qp_is_avail()
1948 qp->ibqp.qp_num, qp->s_size, qp->s_avail, in rvt_qp_is_avail()
1949 qp->s_head, qp->s_tail, qp->s_cur, in rvt_qp_is_avail()
1950 qp->s_acked, qp->s_last); in rvt_qp_is_avail()
1960 static int rvt_post_one_wr(struct rvt_qp *qp, in rvt_post_one_wr() argument
1971 struct rvt_dev_info *rdi = ib_to_rvt(qp->ibqp.device); in rvt_post_one_wr()
1981 if (unlikely(wr->num_sge > qp->s_max_sge)) in rvt_post_one_wr()
1984 ret = rvt_qp_valid_operation(qp, rdi->post_parms, wr); in rvt_post_one_wr()
2003 ret = rvt_fast_reg_mr(qp, in rvt_post_one_wr()
2012 atomic_read(&qp->local_ops_pending)) { in rvt_post_one_wr()
2016 qp, wr->ex.invalidate_rkey); in rvt_post_one_wr()
2029 ret = rvt_qp_is_avail(qp, rdi, reserved_op); in rvt_post_one_wr()
2032 next = qp->s_head + 1; in rvt_post_one_wr()
2033 if (next >= qp->s_size) in rvt_post_one_wr()
2037 pd = ibpd_to_rvtpd(qp->ibqp.pd); in rvt_post_one_wr()
2038 wqe = rvt_get_swqe_ptr(qp, qp->s_head); in rvt_post_one_wr()
2072 log_pmtu = qp->log_pmtu; in rvt_post_one_wr()
2073 if (qp->allowed_ops == IB_OPCODE_UD) { in rvt_post_one_wr()
2082 atomic_inc(&qp->local_ops_pending); in rvt_post_one_wr()
2089 wqe->ssn = qp->s_ssn++; in rvt_post_one_wr()
2090 wqe->psn = qp->s_next_psn; in rvt_post_one_wr()
2099 ret = rdi->driver_f.setup_wqe(qp, wqe, call_send); in rvt_post_one_wr()
2105 qp->s_next_psn = wqe->lpsn + 1; in rvt_post_one_wr()
2109 rvt_qp_wqe_reserve(qp, wqe); in rvt_post_one_wr()
2112 qp->s_avail--; in rvt_post_one_wr()
2114 trace_rvt_post_one_wr(qp, wqe, wr->num_sge); in rvt_post_one_wr()
2116 qp->s_head = next; in rvt_post_one_wr()
2121 if (qp->allowed_ops == IB_OPCODE_UD) in rvt_post_one_wr()
2146 struct rvt_qp *qp = ibqp_to_rvtqp(ibqp); in rvt_post_send() local
2153 spin_lock_irqsave(&qp->s_hlock, flags); in rvt_post_send()
2159 if (unlikely(!(ib_rvt_state_ops[qp->state] & RVT_POST_SEND_OK))) { in rvt_post_send()
2160 spin_unlock_irqrestore(&qp->s_hlock, flags); in rvt_post_send()
2169 call_send = qp->s_head == READ_ONCE(qp->s_last) && !wr->next; in rvt_post_send()
2172 err = rvt_post_one_wr(qp, wr, &call_send); in rvt_post_send()
2180 spin_unlock_irqrestore(&qp->s_hlock, flags); in rvt_post_send()
2187 rdi->driver_f.do_send(qp); in rvt_post_send()
2189 rdi->driver_f.schedule_send_no_lock(qp); in rvt_post_send()
2267 static int init_sge(struct rvt_qp *qp, struct rvt_rwqe *wqe) in init_sge() argument
2274 struct rvt_dev_info *rdi = ib_to_rvt(qp->ibqp.device); in init_sge()
2277 pd = ibpd_to_rvtpd(qp->ibqp.srq ? qp->ibqp.srq->pd : qp->ibqp.pd); in init_sge()
2278 ss = &qp->r_sge; in init_sge()
2279 ss->sg_list = qp->r_sg_list; in init_sge()
2280 qp->r_len = 0; in init_sge()
2290 qp->r_len += wqe->sg_list[i].length; in init_sge()
2294 ss->total_len = qp->r_len; in init_sge()
2308 wc.qp = &qp->ibqp; in init_sge()
2310 rvt_cq_enter(ibcq_to_rvtcq(qp->ibqp.recv_cq), &wc, 1); in init_sge()
2343 int rvt_get_rwqe(struct rvt_qp *qp, bool wr_id_only) in rvt_get_rwqe() argument
2357 if (qp->ibqp.srq) { in rvt_get_rwqe()
2358 srq = ibsrq_to_rvtsrq(qp->ibqp.srq); in rvt_get_rwqe()
2365 rq = &qp->r_rq; in rvt_get_rwqe()
2366 ip = qp->ip; in rvt_get_rwqe()
2370 if (!(ib_rvt_state_ops[qp->state] & RVT_PROCESS_RECV_OK)) { in rvt_get_rwqe()
2408 if (!wr_id_only && !init_sge(qp, wqe)) { in rvt_get_rwqe()
2412 qp->r_wr_id = wqe->wr_id; in rvt_get_rwqe()
2416 set_bit(RVT_R_WRID_VALID, &qp->r_aflags); in rvt_get_rwqe()
2431 ev.device = qp->ibqp.device; in rvt_get_rwqe()
2432 ev.element.srq = qp->ibqp.srq; in rvt_get_rwqe()
2450 void rvt_comm_est(struct rvt_qp *qp) in rvt_comm_est() argument
2452 qp->r_flags |= RVT_R_COMM_EST; in rvt_comm_est()
2453 if (qp->ibqp.event_handler) { in rvt_comm_est()
2456 ev.device = qp->ibqp.device; in rvt_comm_est()
2457 ev.element.qp = &qp->ibqp; in rvt_comm_est()
2459 qp->ibqp.event_handler(&ev, qp->ibqp.qp_context); in rvt_comm_est()
2464 void rvt_rc_error(struct rvt_qp *qp, enum ib_wc_status err) in rvt_rc_error() argument
2469 spin_lock_irqsave(&qp->s_lock, flags); in rvt_rc_error()
2470 lastwqe = rvt_error_qp(qp, err); in rvt_rc_error()
2471 spin_unlock_irqrestore(&qp->s_lock, flags); in rvt_rc_error()
2476 ev.device = qp->ibqp.device; in rvt_rc_error()
2477 ev.element.qp = &qp->ibqp; in rvt_rc_error()
2479 qp->ibqp.event_handler(&ev, qp->ibqp.qp_context); in rvt_rc_error()
2507 void rvt_add_retry_timer_ext(struct rvt_qp *qp, u8 shift) in rvt_add_retry_timer_ext() argument
2509 struct ib_qp *ibqp = &qp->ibqp; in rvt_add_retry_timer_ext()
2512 lockdep_assert_held(&qp->s_lock); in rvt_add_retry_timer_ext()
2513 qp->s_flags |= RVT_S_TIMER; in rvt_add_retry_timer_ext()
2515 qp->s_timer.expires = jiffies + rdi->busy_jiffies + in rvt_add_retry_timer_ext()
2516 (qp->timeout_jiffies << shift); in rvt_add_retry_timer_ext()
2517 add_timer(&qp->s_timer); in rvt_add_retry_timer_ext()
2526 void rvt_add_rnr_timer(struct rvt_qp *qp, u32 aeth) in rvt_add_rnr_timer() argument
2530 lockdep_assert_held(&qp->s_lock); in rvt_add_rnr_timer()
2531 qp->s_flags |= RVT_S_WAIT_RNR; in rvt_add_rnr_timer()
2533 trace_rvt_rnrnak_add(qp, to); in rvt_add_rnr_timer()
2534 hrtimer_start(&qp->s_rnr_timer, in rvt_add_rnr_timer()
2544 void rvt_stop_rc_timers(struct rvt_qp *qp) in rvt_stop_rc_timers() argument
2546 lockdep_assert_held(&qp->s_lock); in rvt_stop_rc_timers()
2548 if (qp->s_flags & (RVT_S_TIMER | RVT_S_WAIT_RNR)) { in rvt_stop_rc_timers()
2549 qp->s_flags &= ~(RVT_S_TIMER | RVT_S_WAIT_RNR); in rvt_stop_rc_timers()
2550 del_timer(&qp->s_timer); in rvt_stop_rc_timers()
2551 hrtimer_try_to_cancel(&qp->s_rnr_timer); in rvt_stop_rc_timers()
2563 static void rvt_stop_rnr_timer(struct rvt_qp *qp) in rvt_stop_rnr_timer() argument
2565 lockdep_assert_held(&qp->s_lock); in rvt_stop_rnr_timer()
2567 if (qp->s_flags & RVT_S_WAIT_RNR) { in rvt_stop_rnr_timer()
2568 qp->s_flags &= ~RVT_S_WAIT_RNR; in rvt_stop_rnr_timer()
2569 trace_rvt_rnrnak_stop(qp, 0); in rvt_stop_rnr_timer()
2577 void rvt_del_timers_sync(struct rvt_qp *qp) in rvt_del_timers_sync() argument
2579 del_timer_sync(&qp->s_timer); in rvt_del_timers_sync()
2580 hrtimer_cancel(&qp->s_rnr_timer); in rvt_del_timers_sync()
2589 struct rvt_qp *qp = from_timer(qp, t, s_timer); in rvt_rc_timeout() local
2590 struct rvt_dev_info *rdi = ib_to_rvt(qp->ibqp.device); in rvt_rc_timeout()
2593 spin_lock_irqsave(&qp->r_lock, flags); in rvt_rc_timeout()
2594 spin_lock(&qp->s_lock); in rvt_rc_timeout()
2595 if (qp->s_flags & RVT_S_TIMER) { in rvt_rc_timeout()
2596 struct rvt_ibport *rvp = rdi->ports[qp->port_num - 1]; in rvt_rc_timeout()
2598 qp->s_flags &= ~RVT_S_TIMER; in rvt_rc_timeout()
2600 del_timer(&qp->s_timer); in rvt_rc_timeout()
2601 trace_rvt_rc_timeout(qp, qp->s_last_psn + 1); in rvt_rc_timeout()
2603 rdi->driver_f.notify_restart_rc(qp, in rvt_rc_timeout()
2604 qp->s_last_psn + 1, in rvt_rc_timeout()
2606 rdi->driver_f.schedule_send(qp); in rvt_rc_timeout()
2608 spin_unlock(&qp->s_lock); in rvt_rc_timeout()
2609 spin_unlock_irqrestore(&qp->r_lock, flags); in rvt_rc_timeout()
2617 struct rvt_qp *qp = container_of(t, struct rvt_qp, s_rnr_timer); in rvt_rc_rnr_retry() local
2618 struct rvt_dev_info *rdi = ib_to_rvt(qp->ibqp.device); in rvt_rc_rnr_retry()
2621 spin_lock_irqsave(&qp->s_lock, flags); in rvt_rc_rnr_retry()
2622 rvt_stop_rnr_timer(qp); in rvt_rc_rnr_retry()
2623 trace_rvt_rnrnak_timeout(qp, 0); in rvt_rc_rnr_retry()
2624 rdi->driver_f.schedule_send(qp); in rvt_rc_rnr_retry()
2625 spin_unlock_irqrestore(&qp->s_lock, flags); in rvt_rc_rnr_retry()
2651 void (*cb)(struct rvt_qp *qp, u64 v)) in rvt_qp_iter_init() argument
2686 struct rvt_qp *pqp = iter->qp; in rvt_qp_iter_next()
2687 struct rvt_qp *qp; in rvt_qp_iter_next() local
2706 qp = rcu_dereference(pqp->next); in rvt_qp_iter_next()
2714 qp = rcu_dereference(rvp->qp[n & 1]); in rvt_qp_iter_next()
2716 qp = rcu_dereference( in rvt_qp_iter_next()
2721 pqp = qp; in rvt_qp_iter_next()
2722 if (qp) { in rvt_qp_iter_next()
2723 iter->qp = qp; in rvt_qp_iter_next()
2750 void (*cb)(struct rvt_qp *qp, u64 v)) in rvt_qp_iter() argument
2764 rvt_get_qp(i.qp); in rvt_qp_iter()
2766 i.cb(i.qp, i.v); in rvt_qp_iter()
2768 rvt_put_qp(i.qp); in rvt_qp_iter()
2778 void rvt_send_complete(struct rvt_qp *qp, struct rvt_swqe *wqe, in rvt_send_complete() argument
2784 if (!(ib_rvt_state_ops[qp->state] & RVT_PROCESS_OR_FLUSH_SEND)) in rvt_send_complete()
2786 rdi = ib_to_rvt(qp->ibqp.device); in rvt_send_complete()
2788 old_last = qp->s_last; in rvt_send_complete()
2789 trace_rvt_qp_send_completion(qp, wqe, old_last); in rvt_send_complete()
2790 last = rvt_qp_complete_swqe(qp, wqe, rdi->wc_opcode[wqe->wr.opcode], in rvt_send_complete()
2792 if (qp->s_acked == old_last) in rvt_send_complete()
2793 qp->s_acked = last; in rvt_send_complete()
2794 if (qp->s_cur == old_last) in rvt_send_complete()
2795 qp->s_cur = last; in rvt_send_complete()
2796 if (qp->s_tail == old_last) in rvt_send_complete()
2797 qp->s_tail = last; in rvt_send_complete()
2798 if (qp->state == IB_QPS_SQD && last == qp->s_cur) in rvt_send_complete()
2799 qp->s_draining = 0; in rvt_send_complete()
2812 void rvt_copy_sge(struct rvt_qp *qp, struct rvt_sge_state *ss, in rvt_copy_sge() argument
2820 struct rvt_dev_info *rdi = ib_to_rvt(qp->ibqp.device); in rvt_copy_sge()
2906 struct rvt_qp *qp; in rvt_ruc_loopback() local
2927 qp = rvt_lookup_qpn(ib_to_rvt(sqp->ibqp.device), rvp, in rvt_ruc_loopback()
2964 if (!qp) { in rvt_ruc_loopback()
2968 spin_lock_irqsave(&qp->r_lock, flags); in rvt_ruc_loopback()
2969 if (!(ib_rvt_state_ops[qp->state] & RVT_PROCESS_RECV_OK) || in rvt_ruc_loopback()
2970 qp->ibqp.qp_type != sqp->ibqp.qp_type) { in rvt_ruc_loopback()
2999 ret = rvt_get_rwqe(qp, false); in rvt_ruc_loopback()
3004 if (wqe->length > qp->r_len) in rvt_ruc_loopback()
3008 if (!rvt_invalidate_rkey(qp, in rvt_ruc_loopback()
3025 if (unlikely(!(qp->qp_access_flags & IB_ACCESS_REMOTE_WRITE))) in rvt_ruc_loopback()
3029 ret = rvt_get_rwqe(qp, true); in rvt_ruc_loopback()
3037 copy_last = rvt_is_user_qp(qp); in rvt_ruc_loopback()
3038 if (unlikely(!(qp->qp_access_flags & IB_ACCESS_REMOTE_WRITE))) in rvt_ruc_loopback()
3043 if (unlikely(!rvt_rkey_ok(qp, &qp->r_sge.sge, wqe->length, in rvt_ruc_loopback()
3048 qp->r_sge.sg_list = NULL; in rvt_ruc_loopback()
3049 qp->r_sge.num_sge = 1; in rvt_ruc_loopback()
3050 qp->r_sge.total_len = wqe->length; in rvt_ruc_loopback()
3054 if (unlikely(!(qp->qp_access_flags & IB_ACCESS_REMOTE_READ))) in rvt_ruc_loopback()
3056 if (unlikely(!rvt_rkey_ok(qp, &sqp->s_sge.sge, wqe->length, in rvt_ruc_loopback()
3064 qp->r_sge.sge = wqe->sg_list[0]; in rvt_ruc_loopback()
3065 qp->r_sge.sg_list = wqe->sg_list + 1; in rvt_ruc_loopback()
3066 qp->r_sge.num_sge = wqe->wr.num_sge; in rvt_ruc_loopback()
3067 qp->r_sge.total_len = wqe->length; in rvt_ruc_loopback()
3072 if (unlikely(!(qp->qp_access_flags & IB_ACCESS_REMOTE_ATOMIC))) in rvt_ruc_loopback()
3076 if (unlikely(!rvt_rkey_ok(qp, &qp->r_sge.sge, sizeof(u64), in rvt_ruc_loopback()
3082 maddr = (atomic64_t *)qp->r_sge.sge.vaddr; in rvt_ruc_loopback()
3087 (u64)cmpxchg((u64 *)qp->r_sge.sge.vaddr, in rvt_ruc_loopback()
3089 rvt_put_mr(qp->r_sge.sge.mr); in rvt_ruc_loopback()
3090 qp->r_sge.num_sge = 0; in rvt_ruc_loopback()
3103 rvt_copy_sge(qp, &qp->r_sge, sge->vaddr, in rvt_ruc_loopback()
3109 rvt_put_ss(&qp->r_sge); in rvt_ruc_loopback()
3111 if (!test_and_clear_bit(RVT_R_WRID_VALID, &qp->r_aflags)) in rvt_ruc_loopback()
3118 wc.wr_id = qp->r_wr_id; in rvt_ruc_loopback()
3121 wc.qp = &qp->ibqp; in rvt_ruc_loopback()
3122 wc.src_qp = qp->remote_qpn; in rvt_ruc_loopback()
3123 wc.slid = rdma_ah_get_dlid(&qp->remote_ah_attr) & U16_MAX; in rvt_ruc_loopback()
3124 wc.sl = rdma_ah_get_sl(&qp->remote_ah_attr); in rvt_ruc_loopback()
3127 rvt_recv_cq(qp, &wc, wqe->wr.send_flags & IB_SEND_SOLICITED); in rvt_ruc_loopback()
3130 spin_unlock_irqrestore(&qp->r_lock, flags); in rvt_ruc_loopback()
3146 if (qp->ibqp.qp_type == IB_QPT_UC) in rvt_ruc_loopback()
3159 spin_unlock_irqrestore(&qp->r_lock, flags); in rvt_ruc_loopback()
3163 rvt_add_rnr_timer(sqp, qp->r_min_rnr_timer << in rvt_ruc_loopback()
3185 rvt_rc_error(qp, wc.status); in rvt_ruc_loopback()
3188 spin_unlock_irqrestore(&qp->r_lock, flags); in rvt_ruc_loopback()
3207 ev.element.qp = &sqp->ibqp; in rvt_ruc_loopback()