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