Lines Matching refs:ntb
85 #include <linux/ntb.h>
188 struct ntb_dev *ntb;
253 link = ntb_link_is_up(peer->perf->ntb, NULL, NULL);
264 dev_dbg(&perf->ntb->dev, "CMD send: %d 0x%llx\n", cmd, data);
277 sts = ntb_peer_spad_read(perf->ntb, peer->pidx,
284 ntb_peer_spad_write(perf->ntb, peer->pidx,
287 ntb_peer_spad_write(perf->ntb, peer->pidx,
290 ntb_peer_spad_write(perf->ntb, peer->pidx,
293 ntb_peer_db_set(perf->ntb, PERF_SPAD_NOTIFY(peer->gidx));
295 dev_dbg(&perf->ntb->dev, "DB ring peer %#llx\n",
310 ntb_db_clear(perf->ntb, PERF_SPAD_NOTIFY(perf->gidx));
324 val = ntb_spad_read(perf->ntb, PERF_SPAD_CMD(peer->gidx));
330 val = ntb_spad_read(perf->ntb, PERF_SPAD_LDATA(peer->gidx));
333 val = ntb_spad_read(perf->ntb, PERF_SPAD_HDATA(peer->gidx));
337 ntb_spad_write(perf->ntb, PERF_SPAD_CMD(peer->gidx),
340 dev_dbg(&perf->ntb->dev, "CMD recv: %d 0x%llx\n", *cmd, *data);
355 dev_dbg(&perf->ntb->dev, "CMD send: %d 0x%llx\n", cmd, data);
364 outbits = ntb_msg_outbits(perf->ntb);
369 ret = ntb_msg_clear_sts(perf->ntb, outbits);
373 ntb_peer_msg_write(perf->ntb, peer->pidx, PERF_MSG_LDATA,
376 if (ntb_msg_read_sts(perf->ntb) & outbits) {
381 ntb_peer_msg_write(perf->ntb, peer->pidx, PERF_MSG_HDATA,
385 ntb_peer_msg_write(perf->ntb, peer->pidx, PERF_MSG_CMD, cmd);
399 inbits = ntb_msg_inbits(perf->ntb);
401 if (hweight64(ntb_msg_read_sts(perf->ntb) & inbits) < 3)
404 val = ntb_msg_read(perf->ntb, pidx, PERF_MSG_CMD);
407 val = ntb_msg_read(perf->ntb, pidx, PERF_MSG_LDATA);
410 val = ntb_msg_read(perf->ntb, pidx, PERF_MSG_HDATA);
414 ntb_msg_clear_sts(perf->ntb, inbits);
416 dev_dbg(&perf->ntb->dev, "CMD recv: %d 0x%llx\n", *cmd, *data);
428 dev_err(&perf->ntb->dev, "Send invalid command\n");
442 dev_err(&peer->perf->ntb->dev, "Exec invalid command\n");
449 dev_dbg(&peer->perf->ntb->dev, "CMD exec: %d\n", cmd);
473 dev_err(&perf->ntb->dev, "Recv invalid command\n");
508 dev_dbg(&perf->ntb->dev, "DB vec %d mask %#llx bits %#llx\n", vec,
509 ntb_db_vector_mask(perf->ntb, vec), ntb_db_read(perf->ntb));
519 dev_dbg(&perf->ntb->dev, "Msg status bits %#llx\n",
520 ntb_msg_read_sts(perf->ntb));
534 (void)ntb_peer_mw_clear_trans(peer->perf->ntb, peer->pidx, peer->gidx);
543 ret = ntb_peer_mw_set_trans(perf->ntb, peer->pidx, peer->gidx,
546 dev_err(&perf->ntb->dev, "Failed to set outbuf translation\n");
562 (void)ntb_mw_clear_trans(peer->perf->ntb, peer->pidx, peer->gidx);
563 dma_free_coherent(&peer->perf->ntb->pdev->dev, peer->inbuf_size,
575 ret = ntb_mw_get_align(perf->ntb, peer->pidx, perf->gidx,
578 dev_err(&perf->ntb->dev, "Couldn't get inbuf restrictions\n");
583 dev_err(&perf->ntb->dev, "Too big inbuf size %pa > %pa\n",
592 peer->inbuf = dma_alloc_coherent(&perf->ntb->pdev->dev,
596 dev_err(&perf->ntb->dev, "Failed to alloc inbuf of %pa\n",
602 dev_err(&perf->ntb->dev, "Unaligned inbuf allocated\n");
606 ret = ntb_mw_set_trans(perf->ntb, peer->pidx, peer->gidx,
609 dev_err(&perf->ntb->dev, "Failed to set inbuf translation\n");
649 dev_warn(&peer->perf->ntb->dev,
662 if (ntb_peer_mw_count(perf->ntb) < perf->pcnt) {
663 dev_err(&perf->ntb->dev, "Not enough memory windows\n");
667 if (ntb_msg_count(perf->ntb) >= PERF_MSG_CNT) {
671 dev_dbg(&perf->ntb->dev, "Message service initialized\n");
676 dev_dbg(&perf->ntb->dev, "Message service unsupported\n");
679 if (ntb_spad_count(perf->ntb) >= PERF_SPAD_CNT(perf->pcnt) &&
680 (ntb_db_valid_mask(perf->ntb) & mask) == mask) {
684 dev_dbg(&perf->ntb->dev, "Scratchpad service initialized\n");
689 dev_dbg(&perf->ntb->dev, "Scratchpad service unsupported\n");
691 dev_err(&perf->ntb->dev, "Command services unsupported\n");
701 mask = ntb_db_valid_mask(perf->ntb);
702 (void)ntb_db_set_mask(perf->ntb, mask);
704 ret = ntb_set_ctx(perf->ntb, perf, &perf_ops);
711 inbits = ntb_msg_inbits(perf->ntb);
712 outbits = ntb_msg_outbits(perf->ntb);
713 (void)ntb_msg_set_mask(perf->ntb, inbits | outbits);
716 ret = ntb_msg_clear_mask(perf->ntb, incmd_bit);
718 dev_dbg(&perf->ntb->dev, "MSG sts unmasked %#llx\n", incmd_bit);
720 scnt = ntb_spad_count(perf->ntb);
722 ntb_spad_write(perf->ntb, sidx, PERF_CMD_INVAL);
724 ret = ntb_db_clear_mask(perf->ntb, incmd_bit);
726 dev_dbg(&perf->ntb->dev, "DB bits unmasked %#llx\n", incmd_bit);
729 ntb_clear_ctx(perf->ntb);
733 ntb_link_enable(perf->ntb, NTB_SPEED_AUTO, NTB_WIDTH_AUTO);
735 ntb_link_event(perf->ntb);
747 inbits = ntb_msg_inbits(perf->ntb);
748 (void)ntb_msg_set_mask(perf->ntb, inbits);
750 (void)ntb_db_set_mask(perf->ntb, PERF_SPAD_NOTIFY(perf->gidx));
753 ntb_clear_ctx(perf->ntb);
764 ntb_spad_write(perf->ntb, PERF_SPAD_CMD(peer->gidx), 0);
767 ntb_db_clear(perf->ntb, PERF_SPAD_NOTIFY(perf->gidx));
769 ntb_link_disable(perf->ntb);
866 node = dev_to_node(&perf->ntb->dev);
878 dev_to_node(&perf->ntb->dev));
891 dev_err(&perf->ntb->dev, "%d: Failed to get DMA channel\n",
945 dev_err(&perf->ntb->dev, "%d: Got error %d on test\n",
983 dev_dbg(&perf->ntb->dev, "%d: copied %llu bytes\n",
986 dev_dbg(&perf->ntb->dev, "%d: lasted %llu usecs\n",
989 dev_dbg(&perf->ntb->dev, "%d: %llu MBytes/s\n", pthr->tidx,
1202 "Local port %d, Global index %d\n", ntb_port_number(perf->ntb),
1208 ntb_peer_port_number(perf->ntb, perf->test_peer->pidx),
1219 ntb_peer_port_number(perf->ntb, peer->pidx), peer->pidx,
1355 struct pci_dev *pdev = perf->ntb->pdev;
1359 dev_warn(&perf->ntb->dev, "DebugFS unsupported\n");
1390 static struct perf_ctx *perf_create_data(struct ntb_dev *ntb)
1394 perf = devm_kzalloc(&ntb->dev, sizeof(*perf), GFP_KERNEL);
1398 perf->pcnt = ntb_peer_port_count(ntb);
1399 perf->peers = devm_kcalloc(&ntb->dev, perf->pcnt, sizeof(*perf->peers),
1404 perf->ntb = ntb;
1416 ret = ntb_peer_mw_get_addr(perf->ntb, perf->gidx, &phys_addr,
1421 peer->outbuf = devm_ioremap_wc(&perf->ntb->dev, phys_addr,
1430 dev_warn(&peer->perf->ntb->dev,
1443 lport = ntb_port_number(perf->ntb);
1450 if (lport < ntb_peer_port_number(perf->ntb, pidx)) {
1467 if (perf->pcnt == 1 && ntb_port_number(perf->ntb) == 0 &&
1468 ntb_peer_port_number(perf->ntb, 0) == 0) {
1479 dev_dbg(&perf->ntb->dev, "Global port index %d\n", perf->gidx);
1484 static int perf_probe(struct ntb_client *client, struct ntb_dev *ntb)
1489 perf = perf_create_data(ntb);
1512 static void perf_remove(struct ntb_client *client, struct ntb_dev *ntb)
1514 struct perf_ctx *perf = ntb->ctx;