Lines Matching refs:qp
98 static int alloc_rd_atomic_resources(struct rxe_qp *qp, unsigned int n) in alloc_rd_atomic_resources() argument
100 qp->resp.res_head = 0; in alloc_rd_atomic_resources()
101 qp->resp.res_tail = 0; in alloc_rd_atomic_resources()
102 qp->resp.resources = kcalloc(n, sizeof(struct resp_res), GFP_KERNEL); in alloc_rd_atomic_resources()
104 if (!qp->resp.resources) in alloc_rd_atomic_resources()
110 static void free_rd_atomic_resources(struct rxe_qp *qp) in free_rd_atomic_resources() argument
112 if (qp->resp.resources) { in free_rd_atomic_resources()
115 for (i = 0; i < qp->attr.max_dest_rd_atomic; i++) { in free_rd_atomic_resources()
116 struct resp_res *res = &qp->resp.resources[i]; in free_rd_atomic_resources()
118 free_rd_atomic_resource(qp, res); in free_rd_atomic_resources()
120 kfree(qp->resp.resources); in free_rd_atomic_resources()
121 qp->resp.resources = NULL; in free_rd_atomic_resources()
125 void free_rd_atomic_resource(struct rxe_qp *qp, struct resp_res *res) in free_rd_atomic_resource() argument
136 static void cleanup_rd_atomic_resources(struct rxe_qp *qp) in cleanup_rd_atomic_resources() argument
141 if (qp->resp.resources) { in cleanup_rd_atomic_resources()
142 for (i = 0; i < qp->attr.max_dest_rd_atomic; i++) { in cleanup_rd_atomic_resources()
143 res = &qp->resp.resources[i]; in cleanup_rd_atomic_resources()
144 free_rd_atomic_resource(qp, res); in cleanup_rd_atomic_resources()
149 static void rxe_qp_init_misc(struct rxe_dev *rxe, struct rxe_qp *qp, in rxe_qp_init_misc() argument
155 qp->sq_sig_type = init->sq_sig_type; in rxe_qp_init_misc()
156 qp->attr.path_mtu = 1; in rxe_qp_init_misc()
157 qp->mtu = ib_mtu_enum_to_int(qp->attr.path_mtu); in rxe_qp_init_misc()
159 qpn = qp->pelem.index; in rxe_qp_init_misc()
164 qp->ibqp.qp_num = 0; in rxe_qp_init_misc()
166 qp->attr.port_num = init->port_num; in rxe_qp_init_misc()
170 qp->ibqp.qp_num = 1; in rxe_qp_init_misc()
172 qp->attr.port_num = init->port_num; in rxe_qp_init_misc()
176 qp->ibqp.qp_num = qpn; in rxe_qp_init_misc()
180 INIT_LIST_HEAD(&qp->grp_list); in rxe_qp_init_misc()
182 skb_queue_head_init(&qp->send_pkts); in rxe_qp_init_misc()
184 spin_lock_init(&qp->grp_lock); in rxe_qp_init_misc()
185 spin_lock_init(&qp->state_lock); in rxe_qp_init_misc()
187 spin_lock_init(&qp->req.task.state_lock); in rxe_qp_init_misc()
188 spin_lock_init(&qp->resp.task.state_lock); in rxe_qp_init_misc()
189 spin_lock_init(&qp->comp.task.state_lock); in rxe_qp_init_misc()
191 spin_lock_init(&qp->sq.sq_lock); in rxe_qp_init_misc()
192 spin_lock_init(&qp->rq.producer_lock); in rxe_qp_init_misc()
193 spin_lock_init(&qp->rq.consumer_lock); in rxe_qp_init_misc()
195 atomic_set(&qp->ssn, 0); in rxe_qp_init_misc()
196 atomic_set(&qp->skb_out, 0); in rxe_qp_init_misc()
199 static int rxe_qp_init_req(struct rxe_dev *rxe, struct rxe_qp *qp, in rxe_qp_init_req() argument
206 err = sock_create_kern(&init_net, AF_INET, SOCK_DGRAM, 0, &qp->sk); in rxe_qp_init_req()
209 qp->sk->sk->sk_user_data = qp; in rxe_qp_init_req()
218 qp->src_port = RXE_ROCE_V2_SPORT + in rxe_qp_init_req()
219 (hash_32_generic(qp_num(qp), 14) & 0x3fff); in rxe_qp_init_req()
220 qp->sq.max_wr = init->cap.max_send_wr; in rxe_qp_init_req()
225 qp->sq.max_sge = init->cap.max_send_sge = in rxe_qp_init_req()
227 qp->sq.max_inline = init->cap.max_inline_data = wqe_size; in rxe_qp_init_req()
230 qp->sq.queue = rxe_queue_init(rxe, &qp->sq.max_wr, wqe_size); in rxe_qp_init_req()
231 if (!qp->sq.queue) in rxe_qp_init_req()
235 qp->sq.queue->buf, qp->sq.queue->buf_size, in rxe_qp_init_req()
236 &qp->sq.queue->ip); in rxe_qp_init_req()
239 vfree(qp->sq.queue->buf); in rxe_qp_init_req()
240 kfree(qp->sq.queue); in rxe_qp_init_req()
241 qp->sq.queue = NULL; in rxe_qp_init_req()
245 qp->req.wqe_index = producer_index(qp->sq.queue); in rxe_qp_init_req()
246 qp->req.state = QP_STATE_RESET; in rxe_qp_init_req()
247 qp->req.opcode = -1; in rxe_qp_init_req()
248 qp->comp.opcode = -1; in rxe_qp_init_req()
250 skb_queue_head_init(&qp->req_pkts); in rxe_qp_init_req()
252 rxe_init_task(rxe, &qp->req.task, qp, in rxe_qp_init_req()
254 rxe_init_task(rxe, &qp->comp.task, qp, in rxe_qp_init_req()
257 qp->qp_timeout_jiffies = 0; /* Can't be set for UD/UC in modify_qp */ in rxe_qp_init_req()
259 timer_setup(&qp->rnr_nak_timer, rnr_nak_timer, 0); in rxe_qp_init_req()
260 timer_setup(&qp->retrans_timer, retransmit_timer, 0); in rxe_qp_init_req()
265 static int rxe_qp_init_resp(struct rxe_dev *rxe, struct rxe_qp *qp, in rxe_qp_init_resp() argument
273 if (!qp->srq) { in rxe_qp_init_resp()
274 qp->rq.max_wr = init->cap.max_recv_wr; in rxe_qp_init_resp()
275 qp->rq.max_sge = init->cap.max_recv_sge; in rxe_qp_init_resp()
277 wqe_size = rcv_wqe_size(qp->rq.max_sge); in rxe_qp_init_resp()
280 qp_num(qp), qp->rq.max_wr, qp->rq.max_sge, wqe_size); in rxe_qp_init_resp()
282 qp->rq.queue = rxe_queue_init(rxe, in rxe_qp_init_resp()
283 &qp->rq.max_wr, in rxe_qp_init_resp()
285 if (!qp->rq.queue) in rxe_qp_init_resp()
289 qp->rq.queue->buf, qp->rq.queue->buf_size, in rxe_qp_init_resp()
290 &qp->rq.queue->ip); in rxe_qp_init_resp()
292 vfree(qp->rq.queue->buf); in rxe_qp_init_resp()
293 kfree(qp->rq.queue); in rxe_qp_init_resp()
294 qp->rq.queue = NULL; in rxe_qp_init_resp()
299 skb_queue_head_init(&qp->resp_pkts); in rxe_qp_init_resp()
301 rxe_init_task(rxe, &qp->resp.task, qp, in rxe_qp_init_resp()
304 qp->resp.opcode = OPCODE_NONE; in rxe_qp_init_resp()
305 qp->resp.msn = 0; in rxe_qp_init_resp()
306 qp->resp.state = QP_STATE_RESET; in rxe_qp_init_resp()
312 int rxe_qp_from_init(struct rxe_dev *rxe, struct rxe_qp *qp, struct rxe_pd *pd, in rxe_qp_from_init() argument
329 qp->pd = pd; in rxe_qp_from_init()
330 qp->rcq = rcq; in rxe_qp_from_init()
331 qp->scq = scq; in rxe_qp_from_init()
332 qp->srq = srq; in rxe_qp_from_init()
334 rxe_qp_init_misc(rxe, qp, init); in rxe_qp_from_init()
336 err = rxe_qp_init_req(rxe, qp, init, udata, uresp); in rxe_qp_from_init()
340 err = rxe_qp_init_resp(rxe, qp, init, udata, uresp); in rxe_qp_from_init()
344 qp->attr.qp_state = IB_QPS_RESET; in rxe_qp_from_init()
345 qp->valid = 1; in rxe_qp_from_init()
350 rxe_queue_cleanup(qp->sq.queue); in rxe_qp_from_init()
352 qp->pd = NULL; in rxe_qp_from_init()
353 qp->rcq = NULL; in rxe_qp_from_init()
354 qp->scq = NULL; in rxe_qp_from_init()
355 qp->srq = NULL; in rxe_qp_from_init()
367 int rxe_qp_to_init(struct rxe_qp *qp, struct ib_qp_init_attr *init) in rxe_qp_to_init() argument
369 init->event_handler = qp->ibqp.event_handler; in rxe_qp_to_init()
370 init->qp_context = qp->ibqp.qp_context; in rxe_qp_to_init()
371 init->send_cq = qp->ibqp.send_cq; in rxe_qp_to_init()
372 init->recv_cq = qp->ibqp.recv_cq; in rxe_qp_to_init()
373 init->srq = qp->ibqp.srq; in rxe_qp_to_init()
375 init->cap.max_send_wr = qp->sq.max_wr; in rxe_qp_to_init()
376 init->cap.max_send_sge = qp->sq.max_sge; in rxe_qp_to_init()
377 init->cap.max_inline_data = qp->sq.max_inline; in rxe_qp_to_init()
379 if (!qp->srq) { in rxe_qp_to_init()
380 init->cap.max_recv_wr = qp->rq.max_wr; in rxe_qp_to_init()
381 init->cap.max_recv_sge = qp->rq.max_sge; in rxe_qp_to_init()
384 init->sq_sig_type = qp->sq_sig_type; in rxe_qp_to_init()
386 init->qp_type = qp->ibqp.qp_type; in rxe_qp_to_init()
395 int rxe_qp_chk_attr(struct rxe_dev *rxe, struct rxe_qp *qp, in rxe_qp_chk_attr() argument
399 attr->cur_qp_state : qp->attr.qp_state; in rxe_qp_chk_attr()
403 if (!ib_modify_qp_is_ok(cur_state, new_state, qp_type(qp), mask)) { in rxe_qp_chk_attr()
410 if (qp->req.state == QP_STATE_DRAIN && in rxe_qp_chk_attr()
423 if (mask & IB_QP_CAP && rxe_qp_chk_cap(rxe, &attr->cap, !!qp->srq)) in rxe_qp_chk_attr()
481 static void rxe_qp_reset(struct rxe_qp *qp) in rxe_qp_reset() argument
484 rxe_disable_task(&qp->resp.task); in rxe_qp_reset()
487 if (qp->sq.queue) { in rxe_qp_reset()
488 if (qp_type(qp) == IB_QPT_RC) in rxe_qp_reset()
489 rxe_disable_task(&qp->comp.task); in rxe_qp_reset()
490 rxe_disable_task(&qp->req.task); in rxe_qp_reset()
494 qp->req.state = QP_STATE_RESET; in rxe_qp_reset()
495 qp->resp.state = QP_STATE_RESET; in rxe_qp_reset()
500 __rxe_do_task(&qp->resp.task); in rxe_qp_reset()
502 if (qp->sq.queue) { in rxe_qp_reset()
503 __rxe_do_task(&qp->comp.task); in rxe_qp_reset()
504 __rxe_do_task(&qp->req.task); in rxe_qp_reset()
505 rxe_queue_reset(qp->sq.queue); in rxe_qp_reset()
509 atomic_set(&qp->ssn, 0); in rxe_qp_reset()
510 qp->req.opcode = -1; in rxe_qp_reset()
511 qp->req.need_retry = 0; in rxe_qp_reset()
512 qp->req.noack_pkts = 0; in rxe_qp_reset()
513 qp->resp.msn = 0; in rxe_qp_reset()
514 qp->resp.opcode = -1; in rxe_qp_reset()
515 qp->resp.drop_msg = 0; in rxe_qp_reset()
516 qp->resp.goto_error = 0; in rxe_qp_reset()
517 qp->resp.sent_psn_nak = 0; in rxe_qp_reset()
519 if (qp->resp.mr) { in rxe_qp_reset()
520 rxe_drop_ref(qp->resp.mr); in rxe_qp_reset()
521 qp->resp.mr = NULL; in rxe_qp_reset()
524 cleanup_rd_atomic_resources(qp); in rxe_qp_reset()
527 rxe_enable_task(&qp->resp.task); in rxe_qp_reset()
529 if (qp->sq.queue) { in rxe_qp_reset()
530 if (qp_type(qp) == IB_QPT_RC) in rxe_qp_reset()
531 rxe_enable_task(&qp->comp.task); in rxe_qp_reset()
533 rxe_enable_task(&qp->req.task); in rxe_qp_reset()
538 static void rxe_qp_drain(struct rxe_qp *qp) in rxe_qp_drain() argument
540 if (qp->sq.queue) { in rxe_qp_drain()
541 if (qp->req.state != QP_STATE_DRAINED) { in rxe_qp_drain()
542 qp->req.state = QP_STATE_DRAIN; in rxe_qp_drain()
543 if (qp_type(qp) == IB_QPT_RC) in rxe_qp_drain()
544 rxe_run_task(&qp->comp.task, 1); in rxe_qp_drain()
546 __rxe_do_task(&qp->comp.task); in rxe_qp_drain()
547 rxe_run_task(&qp->req.task, 1); in rxe_qp_drain()
553 void rxe_qp_error(struct rxe_qp *qp) in rxe_qp_error() argument
555 qp->req.state = QP_STATE_ERROR; in rxe_qp_error()
556 qp->resp.state = QP_STATE_ERROR; in rxe_qp_error()
557 qp->attr.qp_state = IB_QPS_ERR; in rxe_qp_error()
560 rxe_run_task(&qp->resp.task, 1); in rxe_qp_error()
562 if (qp_type(qp) == IB_QPT_RC) in rxe_qp_error()
563 rxe_run_task(&qp->comp.task, 1); in rxe_qp_error()
565 __rxe_do_task(&qp->comp.task); in rxe_qp_error()
566 rxe_run_task(&qp->req.task, 1); in rxe_qp_error()
570 int rxe_qp_from_attr(struct rxe_qp *qp, struct ib_qp_attr *attr, int mask, in rxe_qp_from_attr() argument
579 qp->attr.max_rd_atomic = max_rd_atomic; in rxe_qp_from_attr()
580 atomic_set(&qp->req.rd_atomic, max_rd_atomic); in rxe_qp_from_attr()
587 qp->attr.max_dest_rd_atomic = max_dest_rd_atomic; in rxe_qp_from_attr()
589 free_rd_atomic_resources(qp); in rxe_qp_from_attr()
591 err = alloc_rd_atomic_resources(qp, max_dest_rd_atomic); in rxe_qp_from_attr()
597 qp->attr.cur_qp_state = attr->qp_state; in rxe_qp_from_attr()
600 qp->attr.en_sqd_async_notify = attr->en_sqd_async_notify; in rxe_qp_from_attr()
603 qp->attr.qp_access_flags = attr->qp_access_flags; in rxe_qp_from_attr()
606 qp->attr.pkey_index = attr->pkey_index; in rxe_qp_from_attr()
609 qp->attr.port_num = attr->port_num; in rxe_qp_from_attr()
612 qp->attr.qkey = attr->qkey; in rxe_qp_from_attr()
615 rxe_init_av(&attr->ah_attr, &qp->pri_av); in rxe_qp_from_attr()
618 rxe_init_av(&attr->alt_ah_attr, &qp->alt_av); in rxe_qp_from_attr()
619 qp->attr.alt_port_num = attr->alt_port_num; in rxe_qp_from_attr()
620 qp->attr.alt_pkey_index = attr->alt_pkey_index; in rxe_qp_from_attr()
621 qp->attr.alt_timeout = attr->alt_timeout; in rxe_qp_from_attr()
625 qp->attr.path_mtu = attr->path_mtu; in rxe_qp_from_attr()
626 qp->mtu = ib_mtu_enum_to_int(attr->path_mtu); in rxe_qp_from_attr()
630 qp->attr.timeout = attr->timeout; in rxe_qp_from_attr()
632 qp->qp_timeout_jiffies = 0; in rxe_qp_from_attr()
637 qp->qp_timeout_jiffies = j ? j : 1; in rxe_qp_from_attr()
642 qp->attr.retry_cnt = attr->retry_cnt; in rxe_qp_from_attr()
643 qp->comp.retry_cnt = attr->retry_cnt; in rxe_qp_from_attr()
644 pr_debug("qp#%d set retry count = %d\n", qp_num(qp), in rxe_qp_from_attr()
649 qp->attr.rnr_retry = attr->rnr_retry; in rxe_qp_from_attr()
650 qp->comp.rnr_retry = attr->rnr_retry; in rxe_qp_from_attr()
651 pr_debug("qp#%d set rnr retry count = %d\n", qp_num(qp), in rxe_qp_from_attr()
656 qp->attr.rq_psn = (attr->rq_psn & BTH_PSN_MASK); in rxe_qp_from_attr()
657 qp->resp.psn = qp->attr.rq_psn; in rxe_qp_from_attr()
658 pr_debug("qp#%d set resp psn = 0x%x\n", qp_num(qp), in rxe_qp_from_attr()
659 qp->resp.psn); in rxe_qp_from_attr()
663 qp->attr.min_rnr_timer = attr->min_rnr_timer; in rxe_qp_from_attr()
664 pr_debug("qp#%d set min rnr timer = 0x%x\n", qp_num(qp), in rxe_qp_from_attr()
669 qp->attr.sq_psn = (attr->sq_psn & BTH_PSN_MASK); in rxe_qp_from_attr()
670 qp->req.psn = qp->attr.sq_psn; in rxe_qp_from_attr()
671 qp->comp.psn = qp->attr.sq_psn; in rxe_qp_from_attr()
672 pr_debug("qp#%d set req psn = 0x%x\n", qp_num(qp), qp->req.psn); in rxe_qp_from_attr()
676 qp->attr.path_mig_state = attr->path_mig_state; in rxe_qp_from_attr()
679 qp->attr.dest_qp_num = attr->dest_qp_num; in rxe_qp_from_attr()
682 qp->attr.qp_state = attr->qp_state; in rxe_qp_from_attr()
686 pr_debug("qp#%d state -> RESET\n", qp_num(qp)); in rxe_qp_from_attr()
687 rxe_qp_reset(qp); in rxe_qp_from_attr()
691 pr_debug("qp#%d state -> INIT\n", qp_num(qp)); in rxe_qp_from_attr()
692 qp->req.state = QP_STATE_INIT; in rxe_qp_from_attr()
693 qp->resp.state = QP_STATE_INIT; in rxe_qp_from_attr()
697 pr_debug("qp#%d state -> RTR\n", qp_num(qp)); in rxe_qp_from_attr()
698 qp->resp.state = QP_STATE_READY; in rxe_qp_from_attr()
702 pr_debug("qp#%d state -> RTS\n", qp_num(qp)); in rxe_qp_from_attr()
703 qp->req.state = QP_STATE_READY; in rxe_qp_from_attr()
707 pr_debug("qp#%d state -> SQD\n", qp_num(qp)); in rxe_qp_from_attr()
708 rxe_qp_drain(qp); in rxe_qp_from_attr()
712 pr_warn("qp#%d state -> SQE !!?\n", qp_num(qp)); in rxe_qp_from_attr()
717 pr_debug("qp#%d state -> ERR\n", qp_num(qp)); in rxe_qp_from_attr()
718 rxe_qp_error(qp); in rxe_qp_from_attr()
727 int rxe_qp_to_attr(struct rxe_qp *qp, struct ib_qp_attr *attr, int mask) in rxe_qp_to_attr() argument
729 *attr = qp->attr; in rxe_qp_to_attr()
731 attr->rq_psn = qp->resp.psn; in rxe_qp_to_attr()
732 attr->sq_psn = qp->req.psn; in rxe_qp_to_attr()
734 attr->cap.max_send_wr = qp->sq.max_wr; in rxe_qp_to_attr()
735 attr->cap.max_send_sge = qp->sq.max_sge; in rxe_qp_to_attr()
736 attr->cap.max_inline_data = qp->sq.max_inline; in rxe_qp_to_attr()
738 if (!qp->srq) { in rxe_qp_to_attr()
739 attr->cap.max_recv_wr = qp->rq.max_wr; in rxe_qp_to_attr()
740 attr->cap.max_recv_sge = qp->rq.max_sge; in rxe_qp_to_attr()
743 rxe_av_to_attr(&qp->pri_av, &attr->ah_attr); in rxe_qp_to_attr()
744 rxe_av_to_attr(&qp->alt_av, &attr->alt_ah_attr); in rxe_qp_to_attr()
746 if (qp->req.state == QP_STATE_DRAIN) { in rxe_qp_to_attr()
763 void rxe_qp_destroy(struct rxe_qp *qp) in rxe_qp_destroy() argument
765 qp->valid = 0; in rxe_qp_destroy()
766 qp->qp_timeout_jiffies = 0; in rxe_qp_destroy()
767 rxe_cleanup_task(&qp->resp.task); in rxe_qp_destroy()
769 if (qp_type(qp) == IB_QPT_RC) { in rxe_qp_destroy()
770 del_timer_sync(&qp->retrans_timer); in rxe_qp_destroy()
771 del_timer_sync(&qp->rnr_nak_timer); in rxe_qp_destroy()
774 rxe_cleanup_task(&qp->req.task); in rxe_qp_destroy()
775 rxe_cleanup_task(&qp->comp.task); in rxe_qp_destroy()
778 if (qp->req.task.func) in rxe_qp_destroy()
779 __rxe_do_task(&qp->req.task); in rxe_qp_destroy()
781 if (qp->sq.queue) { in rxe_qp_destroy()
782 __rxe_do_task(&qp->comp.task); in rxe_qp_destroy()
783 __rxe_do_task(&qp->req.task); in rxe_qp_destroy()
790 struct rxe_qp *qp = container_of(work, typeof(*qp), cleanup_work.work); in rxe_qp_do_cleanup() local
792 rxe_drop_all_mcast_groups(qp); in rxe_qp_do_cleanup()
794 if (qp->sq.queue) in rxe_qp_do_cleanup()
795 rxe_queue_cleanup(qp->sq.queue); in rxe_qp_do_cleanup()
797 if (qp->srq) in rxe_qp_do_cleanup()
798 rxe_drop_ref(qp->srq); in rxe_qp_do_cleanup()
800 if (qp->rq.queue) in rxe_qp_do_cleanup()
801 rxe_queue_cleanup(qp->rq.queue); in rxe_qp_do_cleanup()
803 if (qp->scq) in rxe_qp_do_cleanup()
804 rxe_drop_ref(qp->scq); in rxe_qp_do_cleanup()
805 if (qp->rcq) in rxe_qp_do_cleanup()
806 rxe_drop_ref(qp->rcq); in rxe_qp_do_cleanup()
807 if (qp->pd) in rxe_qp_do_cleanup()
808 rxe_drop_ref(qp->pd); in rxe_qp_do_cleanup()
810 if (qp->resp.mr) { in rxe_qp_do_cleanup()
811 rxe_drop_ref(qp->resp.mr); in rxe_qp_do_cleanup()
812 qp->resp.mr = NULL; in rxe_qp_do_cleanup()
815 free_rd_atomic_resources(qp); in rxe_qp_do_cleanup()
817 if (qp->sk) { in rxe_qp_do_cleanup()
818 if (qp_type(qp) == IB_QPT_RC) in rxe_qp_do_cleanup()
819 sk_dst_reset(qp->sk->sk); in rxe_qp_do_cleanup()
821 kernel_sock_shutdown(qp->sk, SHUT_RDWR); in rxe_qp_do_cleanup()
822 sock_release(qp->sk); in rxe_qp_do_cleanup()
829 struct rxe_qp *qp = container_of(arg, typeof(*qp), pelem); in rxe_qp_cleanup() local
831 execute_in_process_context(rxe_qp_do_cleanup, &qp->cleanup_work); in rxe_qp_cleanup()