Lines Matching refs:qp
64 static void rvt_reset_qp(struct rvt_dev_info *rdi, struct rvt_qp *qp,
464 static void rvt_free_qp_cb(struct rvt_qp *qp, u64 v) in rvt_free_qp_cb() argument
467 struct rvt_dev_info *rdi = ib_to_rvt(qp->ibqp.device); in rvt_free_qp_cb()
470 rvt_reset_qp(rdi, qp, qp->ibqp.qp_type); in rvt_free_qp_cb()
621 static void rvt_clear_mr_refs(struct rvt_qp *qp, int clr_sends) in rvt_clear_mr_refs() argument
624 struct rvt_dev_info *rdi = ib_to_rvt(qp->ibqp.device); in rvt_clear_mr_refs()
626 if (test_and_clear_bit(RVT_R_REWIND_SGE, &qp->r_aflags)) in rvt_clear_mr_refs()
627 rvt_put_ss(&qp->s_rdma_read_sge); in rvt_clear_mr_refs()
629 rvt_put_ss(&qp->r_sge); in rvt_clear_mr_refs()
632 while (qp->s_last != qp->s_head) { in rvt_clear_mr_refs()
633 struct rvt_swqe *wqe = rvt_get_swqe_ptr(qp, qp->s_last); in rvt_clear_mr_refs()
635 rvt_put_qp_swqe(qp, wqe); in rvt_clear_mr_refs()
636 if (++qp->s_last >= qp->s_size) in rvt_clear_mr_refs()
637 qp->s_last = 0; in rvt_clear_mr_refs()
640 if (qp->s_rdma_mr) { in rvt_clear_mr_refs()
641 rvt_put_mr(qp->s_rdma_mr); in rvt_clear_mr_refs()
642 qp->s_rdma_mr = NULL; in rvt_clear_mr_refs()
646 for (n = 0; qp->s_ack_queue && n < rvt_max_atomic(rdi); n++) { in rvt_clear_mr_refs()
647 struct rvt_ack_entry *e = &qp->s_ack_queue[n]; in rvt_clear_mr_refs()
681 static bool rvt_qp_sends_has_lkey(struct rvt_qp *qp, u32 lkey) in rvt_qp_sends_has_lkey() argument
683 u32 s_last = qp->s_last; in rvt_qp_sends_has_lkey()
685 while (s_last != qp->s_head) { in rvt_qp_sends_has_lkey()
686 struct rvt_swqe *wqe = rvt_get_swqe_ptr(qp, s_last); in rvt_qp_sends_has_lkey()
691 if (++s_last >= qp->s_size) in rvt_qp_sends_has_lkey()
694 if (qp->s_rdma_mr) in rvt_qp_sends_has_lkey()
695 if (rvt_mr_has_lkey(qp->s_rdma_mr, lkey)) in rvt_qp_sends_has_lkey()
705 static bool rvt_qp_acks_has_lkey(struct rvt_qp *qp, u32 lkey) in rvt_qp_acks_has_lkey() argument
708 struct rvt_dev_info *rdi = ib_to_rvt(qp->ibqp.device); in rvt_qp_acks_has_lkey()
710 for (i = 0; qp->s_ack_queue && i < rvt_max_atomic(rdi); i++) { in rvt_qp_acks_has_lkey()
711 struct rvt_ack_entry *e = &qp->s_ack_queue[i]; in rvt_qp_acks_has_lkey()
730 void rvt_qp_mr_clean(struct rvt_qp *qp, u32 lkey) in rvt_qp_mr_clean() argument
734 if (qp->ibqp.qp_type == IB_QPT_SMI || in rvt_qp_mr_clean()
735 qp->ibqp.qp_type == IB_QPT_GSI) in rvt_qp_mr_clean()
738 spin_lock_irq(&qp->r_lock); in rvt_qp_mr_clean()
739 spin_lock(&qp->s_hlock); in rvt_qp_mr_clean()
740 spin_lock(&qp->s_lock); in rvt_qp_mr_clean()
742 if (qp->state == IB_QPS_ERR || qp->state == IB_QPS_RESET) in rvt_qp_mr_clean()
745 if (rvt_ss_has_lkey(&qp->r_sge, lkey) || in rvt_qp_mr_clean()
746 rvt_qp_sends_has_lkey(qp, lkey) || in rvt_qp_mr_clean()
747 rvt_qp_acks_has_lkey(qp, lkey)) in rvt_qp_mr_clean()
748 lastwqe = rvt_error_qp(qp, IB_WC_LOC_PROT_ERR); in rvt_qp_mr_clean()
750 spin_unlock(&qp->s_lock); in rvt_qp_mr_clean()
751 spin_unlock(&qp->s_hlock); in rvt_qp_mr_clean()
752 spin_unlock_irq(&qp->r_lock); in rvt_qp_mr_clean()
756 ev.device = qp->ibqp.device; in rvt_qp_mr_clean()
757 ev.element.qp = &qp->ibqp; in rvt_qp_mr_clean()
759 qp->ibqp.event_handler(&ev, qp->ibqp.qp_context); in rvt_qp_mr_clean()
771 static void rvt_remove_qp(struct rvt_dev_info *rdi, struct rvt_qp *qp) in rvt_remove_qp() argument
773 struct rvt_ibport *rvp = rdi->ports[qp->port_num - 1]; in rvt_remove_qp()
774 u32 n = hash_32(qp->ibqp.qp_num, rdi->qp_dev->qp_table_bits); in rvt_remove_qp()
780 if (rcu_dereference_protected(rvp->qp[0], in rvt_remove_qp()
781 lockdep_is_held(&rdi->qp_dev->qpt_lock)) == qp) { in rvt_remove_qp()
782 RCU_INIT_POINTER(rvp->qp[0], NULL); in rvt_remove_qp()
783 } else if (rcu_dereference_protected(rvp->qp[1], in rvt_remove_qp()
784 lockdep_is_held(&rdi->qp_dev->qpt_lock)) == qp) { in rvt_remove_qp()
785 RCU_INIT_POINTER(rvp->qp[1], NULL); in rvt_remove_qp()
795 if (q == qp) { in rvt_remove_qp()
797 rcu_dereference_protected(qp->next, in rvt_remove_qp()
800 trace_rvt_qpremove(qp, n); in rvt_remove_qp()
809 rvt_put_qp(qp); in rvt_remove_qp()
864 static void rvt_init_qp(struct rvt_dev_info *rdi, struct rvt_qp *qp, in rvt_init_qp() argument
867 qp->remote_qpn = 0; in rvt_init_qp()
868 qp->qkey = 0; in rvt_init_qp()
869 qp->qp_access_flags = 0; in rvt_init_qp()
870 qp->s_flags &= RVT_S_SIGNAL_REQ_WR; in rvt_init_qp()
871 qp->s_hdrwords = 0; in rvt_init_qp()
872 qp->s_wqe = NULL; in rvt_init_qp()
873 qp->s_draining = 0; in rvt_init_qp()
874 qp->s_next_psn = 0; in rvt_init_qp()
875 qp->s_last_psn = 0; in rvt_init_qp()
876 qp->s_sending_psn = 0; in rvt_init_qp()
877 qp->s_sending_hpsn = 0; in rvt_init_qp()
878 qp->s_psn = 0; in rvt_init_qp()
879 qp->r_psn = 0; in rvt_init_qp()
880 qp->r_msn = 0; in rvt_init_qp()
882 qp->s_state = IB_OPCODE_RC_SEND_LAST; in rvt_init_qp()
883 qp->r_state = IB_OPCODE_RC_SEND_LAST; in rvt_init_qp()
885 qp->s_state = IB_OPCODE_UC_SEND_LAST; in rvt_init_qp()
886 qp->r_state = IB_OPCODE_UC_SEND_LAST; in rvt_init_qp()
888 qp->s_ack_state = IB_OPCODE_RC_ACKNOWLEDGE; in rvt_init_qp()
889 qp->r_nak_state = 0; in rvt_init_qp()
890 qp->r_aflags = 0; in rvt_init_qp()
891 qp->r_flags = 0; in rvt_init_qp()
892 qp->s_head = 0; in rvt_init_qp()
893 qp->s_tail = 0; in rvt_init_qp()
894 qp->s_cur = 0; in rvt_init_qp()
895 qp->s_acked = 0; in rvt_init_qp()
896 qp->s_last = 0; in rvt_init_qp()
897 qp->s_ssn = 1; in rvt_init_qp()
898 qp->s_lsn = 0; in rvt_init_qp()
899 qp->s_mig_state = IB_MIG_MIGRATED; in rvt_init_qp()
900 qp->r_head_ack_queue = 0; in rvt_init_qp()
901 qp->s_tail_ack_queue = 0; in rvt_init_qp()
902 qp->s_acked_ack_queue = 0; in rvt_init_qp()
903 qp->s_num_rd_atomic = 0; in rvt_init_qp()
904 qp->r_sge.num_sge = 0; in rvt_init_qp()
905 atomic_set(&qp->s_reserved_used, 0); in rvt_init_qp()
915 static void _rvt_reset_qp(struct rvt_dev_info *rdi, struct rvt_qp *qp, in _rvt_reset_qp() argument
917 __must_hold(&qp->s_lock) in _rvt_reset_qp()
918 __must_hold(&qp->s_hlock) in _rvt_reset_qp()
919 __must_hold(&qp->r_lock) in _rvt_reset_qp()
921 lockdep_assert_held(&qp->r_lock); in _rvt_reset_qp()
922 lockdep_assert_held(&qp->s_hlock); in _rvt_reset_qp()
923 lockdep_assert_held(&qp->s_lock); in _rvt_reset_qp()
924 if (qp->state != IB_QPS_RESET) { in _rvt_reset_qp()
925 qp->state = IB_QPS_RESET; in _rvt_reset_qp()
928 rdi->driver_f.flush_qp_waiters(qp); in _rvt_reset_qp()
929 rvt_stop_rc_timers(qp); in _rvt_reset_qp()
930 qp->s_flags &= ~(RVT_S_TIMER | RVT_S_ANY_WAIT); in _rvt_reset_qp()
931 spin_unlock(&qp->s_lock); in _rvt_reset_qp()
932 spin_unlock(&qp->s_hlock); in _rvt_reset_qp()
933 spin_unlock_irq(&qp->r_lock); in _rvt_reset_qp()
936 rdi->driver_f.stop_send_queue(qp); in _rvt_reset_qp()
937 rvt_del_timers_sync(qp); in _rvt_reset_qp()
939 rdi->driver_f.quiesce_qp(qp); in _rvt_reset_qp()
942 rvt_remove_qp(rdi, qp); in _rvt_reset_qp()
945 spin_lock_irq(&qp->r_lock); in _rvt_reset_qp()
946 spin_lock(&qp->s_hlock); in _rvt_reset_qp()
947 spin_lock(&qp->s_lock); in _rvt_reset_qp()
949 rvt_clear_mr_refs(qp, 1); in _rvt_reset_qp()
954 rdi->driver_f.notify_qp_reset(qp); in _rvt_reset_qp()
956 rvt_init_qp(rdi, qp, type); in _rvt_reset_qp()
957 lockdep_assert_held(&qp->r_lock); in _rvt_reset_qp()
958 lockdep_assert_held(&qp->s_hlock); in _rvt_reset_qp()
959 lockdep_assert_held(&qp->s_lock); in _rvt_reset_qp()
971 static void rvt_reset_qp(struct rvt_dev_info *rdi, struct rvt_qp *qp, in rvt_reset_qp() argument
974 spin_lock_irq(&qp->r_lock); in rvt_reset_qp()
975 spin_lock(&qp->s_hlock); in rvt_reset_qp()
976 spin_lock(&qp->s_lock); in rvt_reset_qp()
977 _rvt_reset_qp(rdi, qp, type); in rvt_reset_qp()
978 spin_unlock(&qp->s_lock); in rvt_reset_qp()
979 spin_unlock(&qp->s_hlock); in rvt_reset_qp()
980 spin_unlock_irq(&qp->r_lock); in rvt_reset_qp()
1016 static void free_ud_wq_attr(struct rvt_qp *qp) in free_ud_wq_attr() argument
1021 for (i = 0; qp->allowed_ops == IB_OPCODE_UD && i < qp->s_size; i++) { in free_ud_wq_attr()
1022 wqe = rvt_get_swqe_ptr(qp, i); in free_ud_wq_attr()
1036 static int alloc_ud_wq_attr(struct rvt_qp *qp, int node) in alloc_ud_wq_attr() argument
1041 for (i = 0; qp->allowed_ops == IB_OPCODE_UD && i < qp->s_size; i++) { in alloc_ud_wq_attr()
1042 wqe = rvt_get_swqe_ptr(qp, i); in alloc_ud_wq_attr()
1046 free_ud_wq_attr(qp); in alloc_ud_wq_attr()
1072 struct rvt_qp *qp; in rvt_create_qp() local
1123 sz = sizeof(*qp); in rvt_create_qp()
1129 sg_list_sz = sizeof(*qp->r_sg_list) * in rvt_create_qp()
1132 sg_list_sz = sizeof(*qp->r_sg_list) * in rvt_create_qp()
1134 qp = kzalloc_node(sz + sg_list_sz, GFP_KERNEL, in rvt_create_qp()
1136 if (!qp) in rvt_create_qp()
1138 qp->allowed_ops = get_allowed_ops(init_attr->qp_type); in rvt_create_qp()
1140 RCU_INIT_POINTER(qp->next, NULL); in rvt_create_qp()
1142 qp->s_ack_queue = in rvt_create_qp()
1144 sizeof(*qp->s_ack_queue), in rvt_create_qp()
1147 if (!qp->s_ack_queue) in rvt_create_qp()
1151 timer_setup(&qp->s_timer, rvt_rc_timeout, 0); in rvt_create_qp()
1152 hrtimer_init(&qp->s_rnr_timer, CLOCK_MONOTONIC, in rvt_create_qp()
1154 qp->s_rnr_timer.function = rvt_rc_rnr_retry; in rvt_create_qp()
1160 priv = rdi->driver_f.qp_priv_alloc(rdi, qp); in rvt_create_qp()
1165 qp->priv = priv; in rvt_create_qp()
1166 qp->timeout_jiffies = in rvt_create_qp()
1167 usecs_to_jiffies((4096UL * (1UL << qp->timeout)) / in rvt_create_qp()
1172 qp->r_rq.size = init_attr->cap.max_recv_wr + 1; in rvt_create_qp()
1173 qp->r_rq.max_sge = init_attr->cap.max_recv_sge; in rvt_create_qp()
1174 sz = (sizeof(struct ib_sge) * qp->r_rq.max_sge) + in rvt_create_qp()
1176 err = rvt_alloc_rq(&qp->r_rq, qp->r_rq.size * sz, in rvt_create_qp()
1188 spin_lock_init(&qp->r_lock); in rvt_create_qp()
1189 spin_lock_init(&qp->s_hlock); in rvt_create_qp()
1190 spin_lock_init(&qp->s_lock); in rvt_create_qp()
1191 atomic_set(&qp->refcount, 0); in rvt_create_qp()
1192 atomic_set(&qp->local_ops_pending, 0); in rvt_create_qp()
1193 init_waitqueue_head(&qp->wait); in rvt_create_qp()
1194 INIT_LIST_HEAD(&qp->rspwait); in rvt_create_qp()
1195 qp->state = IB_QPS_RESET; in rvt_create_qp()
1196 qp->s_wq = swq; in rvt_create_qp()
1197 qp->s_size = sqsize; in rvt_create_qp()
1198 qp->s_avail = init_attr->cap.max_send_wr; in rvt_create_qp()
1199 qp->s_max_sge = init_attr->cap.max_send_sge; in rvt_create_qp()
1201 qp->s_flags = RVT_S_SIGNAL_REQ_WR; in rvt_create_qp()
1202 err = alloc_ud_wq_attr(qp, rdi->dparms.node); in rvt_create_qp()
1219 qp->ibqp.qp_num = err; in rvt_create_qp()
1221 qp->ibqp.qp_num |= RVT_AIP_QP_BASE; in rvt_create_qp()
1222 qp->port_num = init_attr->port_num; in rvt_create_qp()
1223 rvt_init_qp(rdi, qp, init_attr->qp_type); in rvt_create_qp()
1225 err = rdi->driver_f.qp_priv_init(rdi, qp, init_attr); in rvt_create_qp()
1245 if (!qp->r_rq.wq) { in rvt_create_qp()
1255 u32 s = sizeof(struct rvt_rwq) + qp->r_rq.size * sz; in rvt_create_qp()
1257 qp->ip = rvt_create_mmap_info(rdi, s, udata, in rvt_create_qp()
1258 qp->r_rq.wq); in rvt_create_qp()
1259 if (IS_ERR(qp->ip)) { in rvt_create_qp()
1260 ret = ERR_CAST(qp->ip); in rvt_create_qp()
1264 err = ib_copy_to_udata(udata, &qp->ip->offset, in rvt_create_qp()
1265 sizeof(qp->ip->offset)); in rvt_create_qp()
1271 qp->pid = current->pid; in rvt_create_qp()
1297 if (qp->ip) { in rvt_create_qp()
1299 list_add(&qp->ip->pending_mmaps, &rdi->pending_mmaps); in rvt_create_qp()
1303 ret = &qp->ibqp; in rvt_create_qp()
1308 if (qp->ip) in rvt_create_qp()
1309 kref_put(&qp->ip->ref, rvt_release_mmap_info); in rvt_create_qp()
1312 rvt_free_qpn(&rdi->qp_dev->qpn_table, qp->ibqp.qp_num); in rvt_create_qp()
1315 free_ud_wq_attr(qp); in rvt_create_qp()
1318 rvt_free_rq(&qp->r_rq); in rvt_create_qp()
1321 rdi->driver_f.qp_priv_free(rdi, qp); in rvt_create_qp()
1324 kfree(qp->s_ack_queue); in rvt_create_qp()
1325 kfree(qp); in rvt_create_qp()
1344 int rvt_error_qp(struct rvt_qp *qp, enum ib_wc_status err) in rvt_error_qp() argument
1348 struct rvt_dev_info *rdi = ib_to_rvt(qp->ibqp.device); in rvt_error_qp()
1350 lockdep_assert_held(&qp->r_lock); in rvt_error_qp()
1351 lockdep_assert_held(&qp->s_lock); in rvt_error_qp()
1352 if (qp->state == IB_QPS_ERR || qp->state == IB_QPS_RESET) in rvt_error_qp()
1355 qp->state = IB_QPS_ERR; in rvt_error_qp()
1357 if (qp->s_flags & (RVT_S_TIMER | RVT_S_WAIT_RNR)) { in rvt_error_qp()
1358 qp->s_flags &= ~(RVT_S_TIMER | RVT_S_WAIT_RNR); in rvt_error_qp()
1359 del_timer(&qp->s_timer); in rvt_error_qp()
1362 if (qp->s_flags & RVT_S_ANY_WAIT_SEND) in rvt_error_qp()
1363 qp->s_flags &= ~RVT_S_ANY_WAIT_SEND; in rvt_error_qp()
1365 rdi->driver_f.notify_error_qp(qp); in rvt_error_qp()
1368 if (READ_ONCE(qp->s_last) != qp->s_head) in rvt_error_qp()
1369 rdi->driver_f.schedule_send(qp); in rvt_error_qp()
1371 rvt_clear_mr_refs(qp, 0); in rvt_error_qp()
1374 wc.qp = &qp->ibqp; in rvt_error_qp()
1377 if (test_and_clear_bit(RVT_R_WRID_VALID, &qp->r_aflags)) { in rvt_error_qp()
1378 wc.wr_id = qp->r_wr_id; in rvt_error_qp()
1380 rvt_cq_enter(ibcq_to_rvtcq(qp->ibqp.recv_cq), &wc, 1); in rvt_error_qp()
1384 if (qp->r_rq.kwq) { in rvt_error_qp()
1390 spin_lock(&qp->r_rq.kwq->c_lock); in rvt_error_qp()
1392 if (qp->ip) { in rvt_error_qp()
1393 wq = qp->r_rq.wq; in rvt_error_qp()
1397 kwq = qp->r_rq.kwq; in rvt_error_qp()
1402 if (head >= qp->r_rq.size) in rvt_error_qp()
1404 if (tail >= qp->r_rq.size) in rvt_error_qp()
1407 wc.wr_id = rvt_get_rwqe_ptr(&qp->r_rq, tail)->wr_id; in rvt_error_qp()
1408 if (++tail >= qp->r_rq.size) in rvt_error_qp()
1410 rvt_cq_enter(ibcq_to_rvtcq(qp->ibqp.recv_cq), &wc, 1); in rvt_error_qp()
1412 if (qp->ip) in rvt_error_qp()
1416 spin_unlock(&qp->r_rq.kwq->c_lock); in rvt_error_qp()
1417 } else if (qp->ibqp.event_handler) { in rvt_error_qp()
1430 static void rvt_insert_qp(struct rvt_dev_info *rdi, struct rvt_qp *qp) in rvt_insert_qp() argument
1432 struct rvt_ibport *rvp = rdi->ports[qp->port_num - 1]; in rvt_insert_qp()
1435 rvt_get_qp(qp); in rvt_insert_qp()
1438 if (qp->ibqp.qp_num <= 1) { in rvt_insert_qp()
1439 rcu_assign_pointer(rvp->qp[qp->ibqp.qp_num], qp); in rvt_insert_qp()
1441 u32 n = hash_32(qp->ibqp.qp_num, rdi->qp_dev->qp_table_bits); in rvt_insert_qp()
1443 qp->next = rdi->qp_dev->qp_table[n]; in rvt_insert_qp()
1444 rcu_assign_pointer(rdi->qp_dev->qp_table[n], qp); in rvt_insert_qp()
1445 trace_rvt_qpinsert(qp, n); in rvt_insert_qp()
1464 struct rvt_qp *qp = ibqp_to_rvtqp(ibqp); in rvt_modify_qp() local
1472 spin_lock_irq(&qp->r_lock); in rvt_modify_qp()
1473 spin_lock(&qp->s_hlock); in rvt_modify_qp()
1474 spin_lock(&qp->s_lock); in rvt_modify_qp()
1477 attr->cur_qp_state : qp->state; in rvt_modify_qp()
1479 opa_ah = rdma_cap_opa_ah(ibqp->device, qp->port_num); in rvt_modify_qp()
1486 rdi->driver_f.check_modify_qp(qp, attr, attr_mask, udata)) in rvt_modify_qp()
1500 if (rvt_check_ah(qp->ibqp.device, &attr->ah_attr)) in rvt_modify_qp()
1515 if (rvt_check_ah(qp->ibqp.device, &attr->alt_ah_attr)) in rvt_modify_qp()
1530 if (qp->ibqp.qp_type == IB_QPT_SMI || in rvt_modify_qp()
1531 qp->ibqp.qp_type == IB_QPT_GSI || in rvt_modify_qp()
1557 pmtu = rdi->driver_f.get_pmtu_from_attr(rdi, qp, attr); in rvt_modify_qp()
1564 if (qp->s_mig_state == IB_MIG_ARMED) in rvt_modify_qp()
1569 if (qp->s_mig_state == IB_MIG_REARM) in rvt_modify_qp()
1573 if (qp->s_mig_state == IB_MIG_ARMED) in rvt_modify_qp()
1586 if (qp->state != IB_QPS_RESET) in rvt_modify_qp()
1587 _rvt_reset_qp(rdi, qp, ibqp->qp_type); in rvt_modify_qp()
1592 qp->r_flags &= ~RVT_R_COMM_EST; in rvt_modify_qp()
1593 qp->state = new_state; in rvt_modify_qp()
1597 qp->s_draining = qp->s_last != qp->s_cur; in rvt_modify_qp()
1598 qp->state = new_state; in rvt_modify_qp()
1602 if (qp->ibqp.qp_type == IB_QPT_RC) in rvt_modify_qp()
1604 qp->state = new_state; in rvt_modify_qp()
1608 lastwqe = rvt_error_qp(qp, IB_WC_WR_FLUSH_ERR); in rvt_modify_qp()
1612 qp->state = new_state; in rvt_modify_qp()
1617 qp->s_pkey_index = attr->pkey_index; in rvt_modify_qp()
1620 qp->port_num = attr->port_num; in rvt_modify_qp()
1623 qp->remote_qpn = attr->dest_qp_num; in rvt_modify_qp()
1626 qp->s_next_psn = attr->sq_psn & rdi->dparms.psn_modify_mask; in rvt_modify_qp()
1627 qp->s_psn = qp->s_next_psn; in rvt_modify_qp()
1628 qp->s_sending_psn = qp->s_next_psn; in rvt_modify_qp()
1629 qp->s_last_psn = qp->s_next_psn - 1; in rvt_modify_qp()
1630 qp->s_sending_hpsn = qp->s_last_psn; in rvt_modify_qp()
1634 qp->r_psn = attr->rq_psn & rdi->dparms.psn_modify_mask; in rvt_modify_qp()
1637 qp->qp_access_flags = attr->qp_access_flags; in rvt_modify_qp()
1640 rdma_replace_ah_attr(&qp->remote_ah_attr, &attr->ah_attr); in rvt_modify_qp()
1641 qp->s_srate = rdma_ah_get_static_rate(&attr->ah_attr); in rvt_modify_qp()
1642 qp->srate_mbps = ib_rate_to_mbps(qp->s_srate); in rvt_modify_qp()
1646 rdma_replace_ah_attr(&qp->alt_ah_attr, &attr->alt_ah_attr); in rvt_modify_qp()
1647 qp->s_alt_pkey_index = attr->alt_pkey_index; in rvt_modify_qp()
1651 qp->s_mig_state = attr->path_mig_state; in rvt_modify_qp()
1653 qp->remote_ah_attr = qp->alt_ah_attr; in rvt_modify_qp()
1654 qp->port_num = rdma_ah_get_port_num(&qp->alt_ah_attr); in rvt_modify_qp()
1655 qp->s_pkey_index = qp->s_alt_pkey_index; in rvt_modify_qp()
1660 qp->pmtu = rdi->driver_f.mtu_from_qp(rdi, qp, pmtu); in rvt_modify_qp()
1661 qp->log_pmtu = ilog2(qp->pmtu); in rvt_modify_qp()
1665 qp->s_retry_cnt = attr->retry_cnt; in rvt_modify_qp()
1666 qp->s_retry = attr->retry_cnt; in rvt_modify_qp()
1670 qp->s_rnr_retry_cnt = attr->rnr_retry; in rvt_modify_qp()
1671 qp->s_rnr_retry = attr->rnr_retry; in rvt_modify_qp()
1675 qp->r_min_rnr_timer = attr->min_rnr_timer; in rvt_modify_qp()
1678 qp->timeout = attr->timeout; in rvt_modify_qp()
1679 qp->timeout_jiffies = rvt_timeout_to_jiffies(qp->timeout); in rvt_modify_qp()
1683 qp->qkey = attr->qkey; in rvt_modify_qp()
1686 qp->r_max_rd_atomic = attr->max_dest_rd_atomic; in rvt_modify_qp()
1689 qp->s_max_rd_atomic = attr->max_rd_atomic; in rvt_modify_qp()
1692 rdi->driver_f.modify_qp(qp, attr, attr_mask, udata); in rvt_modify_qp()
1694 spin_unlock(&qp->s_lock); in rvt_modify_qp()
1695 spin_unlock(&qp->s_hlock); in rvt_modify_qp()
1696 spin_unlock_irq(&qp->r_lock); in rvt_modify_qp()
1699 rvt_insert_qp(rdi, qp); in rvt_modify_qp()
1702 ev.device = qp->ibqp.device; in rvt_modify_qp()
1703 ev.element.qp = &qp->ibqp; in rvt_modify_qp()
1705 qp->ibqp.event_handler(&ev, qp->ibqp.qp_context); in rvt_modify_qp()
1708 ev.device = qp->ibqp.device; in rvt_modify_qp()
1709 ev.element.qp = &qp->ibqp; in rvt_modify_qp()
1711 qp->ibqp.event_handler(&ev, qp->ibqp.qp_context); in rvt_modify_qp()
1716 spin_unlock(&qp->s_lock); in rvt_modify_qp()
1717 spin_unlock(&qp->s_hlock); in rvt_modify_qp()
1718 spin_unlock_irq(&qp->r_lock); in rvt_modify_qp()
1733 struct rvt_qp *qp = ibqp_to_rvtqp(ibqp); in rvt_destroy_qp() local
1736 rvt_reset_qp(rdi, qp, ibqp->qp_type); in rvt_destroy_qp()
1738 wait_event(qp->wait, !atomic_read(&qp->refcount)); in rvt_destroy_qp()
1740 rvt_free_qpn(&rdi->qp_dev->qpn_table, qp->ibqp.qp_num); in rvt_destroy_qp()
1744 if (qp->ibqp.qp_type == IB_QPT_RC) { in rvt_destroy_qp()
1750 if (qp->ip) in rvt_destroy_qp()
1751 kref_put(&qp->ip->ref, rvt_release_mmap_info); in rvt_destroy_qp()
1752 kvfree(qp->r_rq.kwq); in rvt_destroy_qp()
1753 rdi->driver_f.qp_priv_free(rdi, qp); in rvt_destroy_qp()
1754 kfree(qp->s_ack_queue); in rvt_destroy_qp()
1755 rdma_destroy_ah_attr(&qp->remote_ah_attr); in rvt_destroy_qp()
1756 rdma_destroy_ah_attr(&qp->alt_ah_attr); in rvt_destroy_qp()
1757 free_ud_wq_attr(qp); in rvt_destroy_qp()
1758 vfree(qp->s_wq); in rvt_destroy_qp()
1759 kfree(qp); in rvt_destroy_qp()
1775 struct rvt_qp *qp = ibqp_to_rvtqp(ibqp); in rvt_query_qp() local
1778 attr->qp_state = qp->state; in rvt_query_qp()
1780 attr->path_mtu = rdi->driver_f.mtu_to_path_mtu(qp->pmtu); in rvt_query_qp()
1781 attr->path_mig_state = qp->s_mig_state; in rvt_query_qp()
1782 attr->qkey = qp->qkey; in rvt_query_qp()
1783 attr->rq_psn = qp->r_psn & rdi->dparms.psn_mask; in rvt_query_qp()
1784 attr->sq_psn = qp->s_next_psn & rdi->dparms.psn_mask; in rvt_query_qp()
1785 attr->dest_qp_num = qp->remote_qpn; in rvt_query_qp()
1786 attr->qp_access_flags = qp->qp_access_flags; in rvt_query_qp()
1787 attr->cap.max_send_wr = qp->s_size - 1 - in rvt_query_qp()
1789 attr->cap.max_recv_wr = qp->ibqp.srq ? 0 : qp->r_rq.size - 1; in rvt_query_qp()
1790 attr->cap.max_send_sge = qp->s_max_sge; in rvt_query_qp()
1791 attr->cap.max_recv_sge = qp->r_rq.max_sge; in rvt_query_qp()
1793 attr->ah_attr = qp->remote_ah_attr; in rvt_query_qp()
1794 attr->alt_ah_attr = qp->alt_ah_attr; in rvt_query_qp()
1795 attr->pkey_index = qp->s_pkey_index; in rvt_query_qp()
1796 attr->alt_pkey_index = qp->s_alt_pkey_index; in rvt_query_qp()
1798 attr->sq_draining = qp->s_draining; in rvt_query_qp()
1799 attr->max_rd_atomic = qp->s_max_rd_atomic; in rvt_query_qp()
1800 attr->max_dest_rd_atomic = qp->r_max_rd_atomic; in rvt_query_qp()
1801 attr->min_rnr_timer = qp->r_min_rnr_timer; in rvt_query_qp()
1802 attr->port_num = qp->port_num; in rvt_query_qp()
1803 attr->timeout = qp->timeout; in rvt_query_qp()
1804 attr->retry_cnt = qp->s_retry_cnt; in rvt_query_qp()
1805 attr->rnr_retry = qp->s_rnr_retry_cnt; in rvt_query_qp()
1807 rdma_ah_get_port_num(&qp->alt_ah_attr); in rvt_query_qp()
1808 attr->alt_timeout = qp->alt_timeout; in rvt_query_qp()
1810 init_attr->event_handler = qp->ibqp.event_handler; in rvt_query_qp()
1811 init_attr->qp_context = qp->ibqp.qp_context; in rvt_query_qp()
1812 init_attr->send_cq = qp->ibqp.send_cq; in rvt_query_qp()
1813 init_attr->recv_cq = qp->ibqp.recv_cq; in rvt_query_qp()
1814 init_attr->srq = qp->ibqp.srq; in rvt_query_qp()
1816 if (qp->s_flags & RVT_S_SIGNAL_REQ_WR) in rvt_query_qp()
1820 init_attr->qp_type = qp->ibqp.qp_type; in rvt_query_qp()
1821 init_attr->port_num = qp->port_num; in rvt_query_qp()
1838 struct rvt_qp *qp = ibqp_to_rvtqp(ibqp); in rvt_post_recv() local
1839 struct rvt_krwq *wq = qp->r_rq.kwq; in rvt_post_recv()
1841 int qp_err_flush = (ib_rvt_state_ops[qp->state] & RVT_FLUSH_RECV) && in rvt_post_recv()
1842 !qp->ibqp.srq; in rvt_post_recv()
1845 if (!(ib_rvt_state_ops[qp->state] & RVT_POST_RECV_OK) || !wq) { in rvt_post_recv()
1855 if ((unsigned)wr->num_sge > qp->r_rq.max_sge) { in rvt_post_recv()
1860 spin_lock_irqsave(&qp->r_rq.kwq->p_lock, flags); in rvt_post_recv()
1862 if (next >= qp->r_rq.size) in rvt_post_recv()
1865 spin_unlock_irqrestore(&qp->r_rq.kwq->p_lock, flags); in rvt_post_recv()
1873 wc.qp = &qp->ibqp; in rvt_post_recv()
1877 rvt_cq_enter(ibcq_to_rvtcq(qp->ibqp.recv_cq), &wc, 1); in rvt_post_recv()
1879 wqe = rvt_get_rwqe_ptr(&qp->r_rq, wq->head); in rvt_post_recv()
1893 spin_unlock_irqrestore(&qp->r_rq.kwq->p_lock, flags); in rvt_post_recv()
1917 struct rvt_qp *qp, in rvt_qp_valid_operation() argument
1925 if (!(post_parms[wr->opcode].qpt_support & BIT(qp->ibqp.qp_type))) in rvt_qp_valid_operation()
1928 ibpd_to_rvtpd(qp->ibqp.pd)->user) in rvt_qp_valid_operation()
1936 !qp->s_max_rd_atomic) in rvt_qp_valid_operation()
1940 if (qp->ibqp.qp_type != IB_QPT_UC && in rvt_qp_valid_operation()
1941 qp->ibqp.qp_type != IB_QPT_RC) { in rvt_qp_valid_operation()
1942 if (qp->ibqp.pd != ud_wr(wr)->ah->pd) in rvt_qp_valid_operation()
1964 struct rvt_qp *qp, in rvt_qp_is_avail() argument
1976 reserved_used = atomic_read(&qp->s_reserved_used); in rvt_qp_is_avail()
1982 if (likely(qp->s_avail)) in rvt_qp_is_avail()
1985 slast = smp_load_acquire(&qp->s_last); in rvt_qp_is_avail()
1986 if (qp->s_head >= slast) in rvt_qp_is_avail()
1987 avail = qp->s_size - (qp->s_head - slast); in rvt_qp_is_avail()
1989 avail = slast - qp->s_head; in rvt_qp_is_avail()
1991 reserved_used = atomic_read(&qp->s_reserved_used); in rvt_qp_is_avail()
1997 qp->s_avail = avail; in rvt_qp_is_avail()
1998 if (WARN_ON(qp->s_avail > in rvt_qp_is_avail()
1999 (qp->s_size - 1 - rdi->dparms.reserved_operations))) in rvt_qp_is_avail()
2002 qp->ibqp.qp_num, qp->s_size, qp->s_avail, in rvt_qp_is_avail()
2003 qp->s_head, qp->s_tail, qp->s_cur, in rvt_qp_is_avail()
2004 qp->s_acked, qp->s_last); in rvt_qp_is_avail()
2013 static int rvt_post_one_wr(struct rvt_qp *qp, in rvt_post_one_wr() argument
2024 struct rvt_dev_info *rdi = ib_to_rvt(qp->ibqp.device); in rvt_post_one_wr()
2034 if (unlikely(wr->num_sge > qp->s_max_sge)) in rvt_post_one_wr()
2037 ret = rvt_qp_valid_operation(qp, rdi->post_parms, wr); in rvt_post_one_wr()
2056 ret = rvt_fast_reg_mr(qp, in rvt_post_one_wr()
2065 atomic_read(&qp->local_ops_pending)) { in rvt_post_one_wr()
2069 qp, wr->ex.invalidate_rkey); in rvt_post_one_wr()
2082 ret = rvt_qp_is_avail(qp, rdi, reserved_op); in rvt_post_one_wr()
2085 next = qp->s_head + 1; in rvt_post_one_wr()
2086 if (next >= qp->s_size) in rvt_post_one_wr()
2090 pd = ibpd_to_rvtpd(qp->ibqp.pd); in rvt_post_one_wr()
2091 wqe = rvt_get_swqe_ptr(qp, qp->s_head); in rvt_post_one_wr()
2125 log_pmtu = qp->log_pmtu; in rvt_post_one_wr()
2126 if (qp->allowed_ops == IB_OPCODE_UD) { in rvt_post_one_wr()
2135 atomic_inc(&qp->local_ops_pending); in rvt_post_one_wr()
2142 wqe->ssn = qp->s_ssn++; in rvt_post_one_wr()
2143 wqe->psn = qp->s_next_psn; in rvt_post_one_wr()
2152 ret = rdi->driver_f.setup_wqe(qp, wqe, call_send); in rvt_post_one_wr()
2158 qp->s_next_psn = wqe->lpsn + 1; in rvt_post_one_wr()
2162 rvt_qp_wqe_reserve(qp, wqe); in rvt_post_one_wr()
2165 qp->s_avail--; in rvt_post_one_wr()
2167 trace_rvt_post_one_wr(qp, wqe, wr->num_sge); in rvt_post_one_wr()
2169 qp->s_head = next; in rvt_post_one_wr()
2174 if (qp->allowed_ops == IB_OPCODE_UD) in rvt_post_one_wr()
2199 struct rvt_qp *qp = ibqp_to_rvtqp(ibqp); in rvt_post_send() local
2206 spin_lock_irqsave(&qp->s_hlock, flags); in rvt_post_send()
2212 if (unlikely(!(ib_rvt_state_ops[qp->state] & RVT_POST_SEND_OK))) { in rvt_post_send()
2213 spin_unlock_irqrestore(&qp->s_hlock, flags); in rvt_post_send()
2222 call_send = qp->s_head == READ_ONCE(qp->s_last) && !wr->next; in rvt_post_send()
2225 err = rvt_post_one_wr(qp, wr, &call_send); in rvt_post_send()
2233 spin_unlock_irqrestore(&qp->s_hlock, flags); in rvt_post_send()
2240 rdi->driver_f.do_send(qp); in rvt_post_send()
2242 rdi->driver_f.schedule_send_no_lock(qp); in rvt_post_send()
2320 static int init_sge(struct rvt_qp *qp, struct rvt_rwqe *wqe) in init_sge() argument
2327 struct rvt_dev_info *rdi = ib_to_rvt(qp->ibqp.device); in init_sge()
2330 pd = ibpd_to_rvtpd(qp->ibqp.srq ? qp->ibqp.srq->pd : qp->ibqp.pd); in init_sge()
2331 ss = &qp->r_sge; in init_sge()
2332 ss->sg_list = qp->r_sg_list; in init_sge()
2333 qp->r_len = 0; in init_sge()
2343 qp->r_len += wqe->sg_list[i].length; in init_sge()
2347 ss->total_len = qp->r_len; in init_sge()
2361 wc.qp = &qp->ibqp; in init_sge()
2363 rvt_cq_enter(ibcq_to_rvtcq(qp->ibqp.recv_cq), &wc, 1); in init_sge()
2396 int rvt_get_rwqe(struct rvt_qp *qp, bool wr_id_only) in rvt_get_rwqe() argument
2410 if (qp->ibqp.srq) { in rvt_get_rwqe()
2411 srq = ibsrq_to_rvtsrq(qp->ibqp.srq); in rvt_get_rwqe()
2418 rq = &qp->r_rq; in rvt_get_rwqe()
2419 ip = qp->ip; in rvt_get_rwqe()
2423 if (!(ib_rvt_state_ops[qp->state] & RVT_PROCESS_RECV_OK)) { in rvt_get_rwqe()
2461 if (!wr_id_only && !init_sge(qp, wqe)) { in rvt_get_rwqe()
2465 qp->r_wr_id = wqe->wr_id; in rvt_get_rwqe()
2469 set_bit(RVT_R_WRID_VALID, &qp->r_aflags); in rvt_get_rwqe()
2484 ev.device = qp->ibqp.device; in rvt_get_rwqe()
2485 ev.element.srq = qp->ibqp.srq; in rvt_get_rwqe()
2503 void rvt_comm_est(struct rvt_qp *qp) in rvt_comm_est() argument
2505 qp->r_flags |= RVT_R_COMM_EST; in rvt_comm_est()
2506 if (qp->ibqp.event_handler) { in rvt_comm_est()
2509 ev.device = qp->ibqp.device; in rvt_comm_est()
2510 ev.element.qp = &qp->ibqp; in rvt_comm_est()
2512 qp->ibqp.event_handler(&ev, qp->ibqp.qp_context); in rvt_comm_est()
2517 void rvt_rc_error(struct rvt_qp *qp, enum ib_wc_status err) in rvt_rc_error() argument
2522 spin_lock_irqsave(&qp->s_lock, flags); in rvt_rc_error()
2523 lastwqe = rvt_error_qp(qp, err); in rvt_rc_error()
2524 spin_unlock_irqrestore(&qp->s_lock, flags); in rvt_rc_error()
2529 ev.device = qp->ibqp.device; in rvt_rc_error()
2530 ev.element.qp = &qp->ibqp; in rvt_rc_error()
2532 qp->ibqp.event_handler(&ev, qp->ibqp.qp_context); in rvt_rc_error()
2560 void rvt_add_retry_timer_ext(struct rvt_qp *qp, u8 shift) in rvt_add_retry_timer_ext() argument
2562 struct ib_qp *ibqp = &qp->ibqp; in rvt_add_retry_timer_ext()
2565 lockdep_assert_held(&qp->s_lock); in rvt_add_retry_timer_ext()
2566 qp->s_flags |= RVT_S_TIMER; in rvt_add_retry_timer_ext()
2568 qp->s_timer.expires = jiffies + rdi->busy_jiffies + in rvt_add_retry_timer_ext()
2569 (qp->timeout_jiffies << shift); in rvt_add_retry_timer_ext()
2570 add_timer(&qp->s_timer); in rvt_add_retry_timer_ext()
2579 void rvt_add_rnr_timer(struct rvt_qp *qp, u32 aeth) in rvt_add_rnr_timer() argument
2583 lockdep_assert_held(&qp->s_lock); in rvt_add_rnr_timer()
2584 qp->s_flags |= RVT_S_WAIT_RNR; in rvt_add_rnr_timer()
2586 trace_rvt_rnrnak_add(qp, to); in rvt_add_rnr_timer()
2587 hrtimer_start(&qp->s_rnr_timer, in rvt_add_rnr_timer()
2597 void rvt_stop_rc_timers(struct rvt_qp *qp) in rvt_stop_rc_timers() argument
2599 lockdep_assert_held(&qp->s_lock); in rvt_stop_rc_timers()
2601 if (qp->s_flags & (RVT_S_TIMER | RVT_S_WAIT_RNR)) { in rvt_stop_rc_timers()
2602 qp->s_flags &= ~(RVT_S_TIMER | RVT_S_WAIT_RNR); in rvt_stop_rc_timers()
2603 del_timer(&qp->s_timer); in rvt_stop_rc_timers()
2604 hrtimer_try_to_cancel(&qp->s_rnr_timer); in rvt_stop_rc_timers()
2616 static void rvt_stop_rnr_timer(struct rvt_qp *qp) in rvt_stop_rnr_timer() argument
2618 lockdep_assert_held(&qp->s_lock); in rvt_stop_rnr_timer()
2620 if (qp->s_flags & RVT_S_WAIT_RNR) { in rvt_stop_rnr_timer()
2621 qp->s_flags &= ~RVT_S_WAIT_RNR; in rvt_stop_rnr_timer()
2622 trace_rvt_rnrnak_stop(qp, 0); in rvt_stop_rnr_timer()
2630 void rvt_del_timers_sync(struct rvt_qp *qp) in rvt_del_timers_sync() argument
2632 del_timer_sync(&qp->s_timer); in rvt_del_timers_sync()
2633 hrtimer_cancel(&qp->s_rnr_timer); in rvt_del_timers_sync()
2642 struct rvt_qp *qp = from_timer(qp, t, s_timer); in rvt_rc_timeout() local
2643 struct rvt_dev_info *rdi = ib_to_rvt(qp->ibqp.device); in rvt_rc_timeout()
2646 spin_lock_irqsave(&qp->r_lock, flags); in rvt_rc_timeout()
2647 spin_lock(&qp->s_lock); in rvt_rc_timeout()
2648 if (qp->s_flags & RVT_S_TIMER) { in rvt_rc_timeout()
2649 struct rvt_ibport *rvp = rdi->ports[qp->port_num - 1]; in rvt_rc_timeout()
2651 qp->s_flags &= ~RVT_S_TIMER; in rvt_rc_timeout()
2653 del_timer(&qp->s_timer); in rvt_rc_timeout()
2654 trace_rvt_rc_timeout(qp, qp->s_last_psn + 1); in rvt_rc_timeout()
2656 rdi->driver_f.notify_restart_rc(qp, in rvt_rc_timeout()
2657 qp->s_last_psn + 1, in rvt_rc_timeout()
2659 rdi->driver_f.schedule_send(qp); in rvt_rc_timeout()
2661 spin_unlock(&qp->s_lock); in rvt_rc_timeout()
2662 spin_unlock_irqrestore(&qp->r_lock, flags); in rvt_rc_timeout()
2670 struct rvt_qp *qp = container_of(t, struct rvt_qp, s_rnr_timer); in rvt_rc_rnr_retry() local
2671 struct rvt_dev_info *rdi = ib_to_rvt(qp->ibqp.device); in rvt_rc_rnr_retry()
2674 spin_lock_irqsave(&qp->s_lock, flags); in rvt_rc_rnr_retry()
2675 rvt_stop_rnr_timer(qp); in rvt_rc_rnr_retry()
2676 trace_rvt_rnrnak_timeout(qp, 0); in rvt_rc_rnr_retry()
2677 rdi->driver_f.schedule_send(qp); in rvt_rc_rnr_retry()
2678 spin_unlock_irqrestore(&qp->s_lock, flags); in rvt_rc_rnr_retry()
2704 void (*cb)(struct rvt_qp *qp, u64 v)) in rvt_qp_iter_init() argument
2739 struct rvt_qp *pqp = iter->qp; in rvt_qp_iter_next()
2740 struct rvt_qp *qp; in rvt_qp_iter_next() local
2759 qp = rcu_dereference(pqp->next); in rvt_qp_iter_next()
2767 qp = rcu_dereference(rvp->qp[n & 1]); in rvt_qp_iter_next()
2769 qp = rcu_dereference( in rvt_qp_iter_next()
2774 pqp = qp; in rvt_qp_iter_next()
2775 if (qp) { in rvt_qp_iter_next()
2776 iter->qp = qp; in rvt_qp_iter_next()
2803 void (*cb)(struct rvt_qp *qp, u64 v)) in rvt_qp_iter() argument
2817 rvt_get_qp(i.qp); in rvt_qp_iter()
2819 i.cb(i.qp, i.v); in rvt_qp_iter()
2821 rvt_put_qp(i.qp); in rvt_qp_iter()
2831 void rvt_send_complete(struct rvt_qp *qp, struct rvt_swqe *wqe, in rvt_send_complete() argument
2837 if (!(ib_rvt_state_ops[qp->state] & RVT_PROCESS_OR_FLUSH_SEND)) in rvt_send_complete()
2839 rdi = ib_to_rvt(qp->ibqp.device); in rvt_send_complete()
2841 old_last = qp->s_last; in rvt_send_complete()
2842 trace_rvt_qp_send_completion(qp, wqe, old_last); in rvt_send_complete()
2843 last = rvt_qp_complete_swqe(qp, wqe, rdi->wc_opcode[wqe->wr.opcode], in rvt_send_complete()
2845 if (qp->s_acked == old_last) in rvt_send_complete()
2846 qp->s_acked = last; in rvt_send_complete()
2847 if (qp->s_cur == old_last) in rvt_send_complete()
2848 qp->s_cur = last; in rvt_send_complete()
2849 if (qp->s_tail == old_last) in rvt_send_complete()
2850 qp->s_tail = last; in rvt_send_complete()
2851 if (qp->state == IB_QPS_SQD && last == qp->s_cur) in rvt_send_complete()
2852 qp->s_draining = 0; in rvt_send_complete()
2865 void rvt_copy_sge(struct rvt_qp *qp, struct rvt_sge_state *ss, in rvt_copy_sge() argument
2873 struct rvt_dev_info *rdi = ib_to_rvt(qp->ibqp.device); in rvt_copy_sge()
2959 struct rvt_qp *qp; in rvt_ruc_loopback() local
2980 qp = rvt_lookup_qpn(ib_to_rvt(sqp->ibqp.device), rvp, in rvt_ruc_loopback()
3017 if (!qp) { in rvt_ruc_loopback()
3021 spin_lock_irqsave(&qp->r_lock, flags); in rvt_ruc_loopback()
3022 if (!(ib_rvt_state_ops[qp->state] & RVT_PROCESS_RECV_OK) || in rvt_ruc_loopback()
3023 qp->ibqp.qp_type != sqp->ibqp.qp_type) { in rvt_ruc_loopback()
3052 ret = rvt_get_rwqe(qp, false); in rvt_ruc_loopback()
3057 if (wqe->length > qp->r_len) in rvt_ruc_loopback()
3061 if (!rvt_invalidate_rkey(qp, in rvt_ruc_loopback()
3078 if (unlikely(!(qp->qp_access_flags & IB_ACCESS_REMOTE_WRITE))) in rvt_ruc_loopback()
3082 ret = rvt_get_rwqe(qp, true); in rvt_ruc_loopback()
3090 copy_last = rvt_is_user_qp(qp); in rvt_ruc_loopback()
3091 if (unlikely(!(qp->qp_access_flags & IB_ACCESS_REMOTE_WRITE))) in rvt_ruc_loopback()
3096 if (unlikely(!rvt_rkey_ok(qp, &qp->r_sge.sge, wqe->length, in rvt_ruc_loopback()
3101 qp->r_sge.sg_list = NULL; in rvt_ruc_loopback()
3102 qp->r_sge.num_sge = 1; in rvt_ruc_loopback()
3103 qp->r_sge.total_len = wqe->length; in rvt_ruc_loopback()
3107 if (unlikely(!(qp->qp_access_flags & IB_ACCESS_REMOTE_READ))) in rvt_ruc_loopback()
3109 if (unlikely(!rvt_rkey_ok(qp, &sqp->s_sge.sge, wqe->length, in rvt_ruc_loopback()
3117 qp->r_sge.sge = wqe->sg_list[0]; in rvt_ruc_loopback()
3118 qp->r_sge.sg_list = wqe->sg_list + 1; in rvt_ruc_loopback()
3119 qp->r_sge.num_sge = wqe->wr.num_sge; in rvt_ruc_loopback()
3120 qp->r_sge.total_len = wqe->length; in rvt_ruc_loopback()
3125 if (unlikely(!(qp->qp_access_flags & IB_ACCESS_REMOTE_ATOMIC))) in rvt_ruc_loopback()
3129 if (unlikely(!rvt_rkey_ok(qp, &qp->r_sge.sge, sizeof(u64), in rvt_ruc_loopback()
3135 maddr = (atomic64_t *)qp->r_sge.sge.vaddr; in rvt_ruc_loopback()
3140 (u64)cmpxchg((u64 *)qp->r_sge.sge.vaddr, in rvt_ruc_loopback()
3142 rvt_put_mr(qp->r_sge.sge.mr); in rvt_ruc_loopback()
3143 qp->r_sge.num_sge = 0; in rvt_ruc_loopback()
3156 rvt_copy_sge(qp, &qp->r_sge, sge->vaddr, in rvt_ruc_loopback()
3162 rvt_put_ss(&qp->r_sge); in rvt_ruc_loopback()
3164 if (!test_and_clear_bit(RVT_R_WRID_VALID, &qp->r_aflags)) in rvt_ruc_loopback()
3171 wc.wr_id = qp->r_wr_id; in rvt_ruc_loopback()
3174 wc.qp = &qp->ibqp; in rvt_ruc_loopback()
3175 wc.src_qp = qp->remote_qpn; in rvt_ruc_loopback()
3176 wc.slid = rdma_ah_get_dlid(&qp->remote_ah_attr) & U16_MAX; in rvt_ruc_loopback()
3177 wc.sl = rdma_ah_get_sl(&qp->remote_ah_attr); in rvt_ruc_loopback()
3180 rvt_recv_cq(qp, &wc, wqe->wr.send_flags & IB_SEND_SOLICITED); in rvt_ruc_loopback()
3183 spin_unlock_irqrestore(&qp->r_lock, flags); in rvt_ruc_loopback()
3199 if (qp->ibqp.qp_type == IB_QPT_UC) in rvt_ruc_loopback()
3212 spin_unlock_irqrestore(&qp->r_lock, flags); in rvt_ruc_loopback()
3216 rvt_add_rnr_timer(sqp, qp->r_min_rnr_timer << in rvt_ruc_loopback()
3238 rvt_rc_error(qp, wc.status); in rvt_ruc_loopback()
3241 spin_unlock_irqrestore(&qp->r_lock, flags); in rvt_ruc_loopback()
3260 ev.element.qp = &sqp->ibqp; in rvt_ruc_loopback()