1 sysfs interface common for all infiniband devi
2 ----------------------------------------------
3
4 What: /sys/class/infiniband/<device>
5 What: /sys/class/infiniband/<device>
6 What: /sys/class/infiniband/<device>
7 Date: Apr, 2005
8 KernelVersion: v2.6.12
9 Contact: linux-rdma@vger.kernel.org
10 Description:
11 =============== ==============
12 node_type: (RO) Node type
13 switch or rout
14
15 node_guid: (RO) Node GUID
16
17 sys_image_guid: (RO) System im
18 =============== ==============
19
20
21 What: /sys/class/infiniband/<device>
22 Date: Feb, 2006
23 KernelVersion: v2.6.17
24 Contact: linux-rdma@vger.kernel.org
25 Description:
26 (RW) Update the node descripti
27 node's hostname, so that IB ne
28 its view to the real world.
29
30
31 What: /sys/class/infiniband/<device>
32 Date: Jun, 2016
33 KernelVersion: v4.10
34 Contact: linux-rdma@vger.kernel.org
35 Description:
36 (RO) Display firmware version
37
38
39 What: /sys/class/infiniband/<device>
40 What: /sys/class/infiniband/<device>
41 What: /sys/class/infiniband/<device>
42 What: /sys/class/infiniband/<device>
43 What: /sys/class/infiniband/<device>
44 What: /sys/class/infiniband/<device>
45 What: /sys/class/infiniband/<device>
46 What: /sys/class/infiniband/<device>
47 Date: Apr, 2005
48 KernelVersion: v2.6.12
49 Contact: linux-rdma@vger.kernel.org
50 Description:
51
52 =============== ==============
53 lid: (RO) Port LID
54
55 rate: (RO) Port data
56 speed)
57
58 lid_mask_count: (RO) Port LID
59
60 sm_sl: (RO) Subnet ma
61
62 sm_lid: (RO) Subnet ma
63
64 state: (RO) Port stat
65 ACTIVE_DEFER)
66
67 phys_state: (RO) Port phys
68 LinkUp, etc)
69
70 cap_mask: (RO) Port capa
71 settable- IsCo
72 (set when CM m
73 via open of is
74 =============== ==============
75
76
77 What: /sys/class/infiniband/<device>
78 Date: Oct, 2010
79 KernelVersion: v2.6.37
80 Contact: linux-rdma@vger.kernel.org
81 Description:
82 (RO) Link layer type informati
83
84
85 What: /sys/class/infiniband/<device>
86 What: /sys/class/infiniband/<device>
87 What: /sys/class/infiniband/<device>
88 What: /sys/class/infiniband/<device>
89 What: /sys/class/infiniband/<device>
90 What: /sys/class/infiniband/<device>
91 What: /sys/class/infiniband/<device>
92 What: /sys/class/infiniband/<device>
93 What: /sys/class/infiniband/<device>
94 What: /sys/class/infiniband/<device>
95 What: /sys/class/infiniband/<device>
96 What: /sys/class/infiniband/<device>
97 What: /sys/class/infiniband/<device>
98 What: /sys/class/infiniband/<device>
99 What: /sys/class/infiniband/<device>
100 What: /sys/class/infiniband/<device>
101 What: /sys/class/infiniband/<device>
102 What: /sys/class/infiniband/<device>
103 What: /sys/class/infiniband/<device>
104 What: /sys/class/infiniband/<device>
105 What: /sys/class/infiniband/<device>
106 Date: Apr, 2005
107 KernelVersion: v2.6.12
108 Contact: linux-rdma@vger.kernel.org
109 Description:
110 **Errors info**:
111
112 symbol_error: (RO) Total numbe
113 one or more physical lanes.
114
115 port_rcv_errors : (RO) Total n
116 error that were received on th
117
118 port_rcv_remote_physical_error
119 marked with the EBP delimiter
120
121 port_rcv_switch_relay_errors :
122 received on the port that were
123 be forwarded by the switch rel
124
125 link_error_recovery: (RO) Tota
126 Training state machine has suc
127 recovery process.
128
129 port_xmit_constraint_errors: (
130 transmitted from the switch ph
131 filtering or failing outbound
132
133 port_rcv_constraint_errors: (R
134 received on the switch physica
135 inbound raw filtering or faili
136 check.
137
138 local_link_integrity_errors: (
139 count of local physical errors
140 by LocalPhyErrors
141
142 excessive_buffer_overrun_error
143 input buffer overrun. It indic
144 a port, either by the Subnet M
145 intervention. It can also indi
146 poor link signal integrity
147
148 **Data info**:
149
150 port_xmit_data: (RO) Total num
151 (lanes), transmitted on all VL
152
153 port_rcv_data: (RO) Total numb
154 (lanes), received on all VLs.
155
156 port_xmit_packets: (RO) Total
157 all VLs from this port. This m
158 This is 64 bit counter.
159
160 port_rcv_packets: (RO) Total n
161 packets containing Errors. Thi
162
163 link_downed: (RO) Total number
164 machine has failed the link er
165 the link.
166
167 unicast_rcv_packets: (RO) Tota
168 including unicast packets cont
169
170 unicast_xmit_packets: (RO) Tot
171 transmitted on all VLs from th
172 packets with errors.
173
174 multicast_rcv_packets: (RO) To
175 including multicast packets co
176
177 multicast_xmit_packets: (RO) T
178 transmitted on all VLs from th
179 packets with errors.
180
181 **Misc info**:
182
183 port_xmit_discards: (RO) Total
184 discarded by the port because
185
186 VL15_dropped: (RO) Number of i
187 to resource limitations (e.g.,
188
189 port_xmit_wait: (RO) The numbe
190 had data to transmit but no da
191 (either because of insufficien
192 arbitration).
193
194 Each of these files contains t
195 port's Performance Management
196 described in the InfiniBand Ar
197
198
199 What: /sys/class/infiniband/<device-
200 What: /sys/class/infiniband/<device-
201 Date: May, 2016
202 KernelVersion: 4.6
203 Contact: linux-rdma@vger.kernel.org
204 Description:
205 The optional "hw_counters" sub
206 parent device or the port subd
207 there are a list of counters p
208 match some of the counters in
209 often include many other count
210 counters, there will be a file
211 how frequently the core should
212 being accessed (counters are n
213 accessed). The lifespan is in
214 unless set to something else b
215 value between 0-10000 to the l
216 of time between updates in mil
217
218
219 What: /sys/class/infiniband/<hca>/po
220 Date: November 29, 2015
221 KernelVersion: 4.4.0
222 Contact: linux-rdma@vger.kernel.org
223 Description: The net-device's name associat
224 at index <gid-index>.
225
226 What: /sys/class/infiniband/<hca>/po
227 Date: November 29, 2015
228 KernelVersion: 4.4.0
229 Contact: linux-rdma@vger.kernel.org
230 Description: The RoCE type of the associate
231 This could either be "IB/RoCE
232 or "RoCE v2" for RoCE v2 based
233
234
235 What: /sys/class/infiniband_mad/umad
236 What: /sys/class/infiniband_mad/umad
237 What: /sys/class/infiniband_mad/issm
238 What: /sys/class/infiniband_mad/issm
239 Date: Apr, 2005
240 KernelVersion: v2.6.12
241 Contact: linux-rdma@vger.kernel.org
242 Description:
243 Each port of each InfiniBand d
244 "issm" device attached. For ex
245 two umad devices and two issm
246 one device of each type (for s
247
248 ======= ======================
249 ibdev: (RO) Show Infiniband (
250
251 port: (RO) Display port numb
252 ======= ======================
253
254
255 What: /sys/class/infiniband_mad/abi_
256 Date: Apr, 2005
257 KernelVersion: v2.6.12
258 Contact: linux-rdma@vger.kernel.org
259 Description:
260 (RO) Value is incremented if a
261 userspace ABI compatibility of
262
263
264 What: /sys/class/infiniband_verbs/uv
265 What: /sys/class/infiniband_verbs/uv
266 Date: Sept, 2005
267 KernelVersion: v2.6.14
268 Contact: linux-rdma@vger.kernel.org
269 Description:
270 =============== ==============
271 ibdev: (RO) Display I
272
273 abi_version: (RO) Show ABI
274 interfaces.
275 =============== ==============
276
277
278 What: /sys/class/infiniband_verbs/ab
279 Date: Sep, 2005
280 KernelVersion: v2.6.14
281 Contact: linux-rdma@vger.kernel.org
282 Description:
283 (RO) Value is incremented if a
284 userspace ABI compatibility of
285
286
287 sysfs interface for Mellanox IB HCA low-level
288 ----------------------------------------------
289
290 What: /sys/class/infiniband/mthcaX/h
291 What: /sys/class/infiniband/mthcaX/h
292 What: /sys/class/infiniband/mthcaX/b
293 Date: Apr, 2005
294 KernelVersion: v2.6.12
295 Contact: linux-rdma@vger.kernel.org
296 Description:
297 =============== ==============
298 hw_rev: (RO) Hardware
299
300 hca_type: (RO) Host Chan
301 (MT23108 compa
302
303 board_id: (RO) Manufactu
304 =============== ==============
305
306
307 sysfs interface for Mellanox ConnectX HCA IB d
308 ----------------------------------------------
309
310 What: /sys/class/infiniband/mlx4_X/h
311 What: /sys/class/infiniband/mlx4_X/h
312 What: /sys/class/infiniband/mlx4_X/b
313 Date: Sep, 2007
314 KernelVersion: v2.6.24
315 Contact: linux-rdma@vger.kernel.org
316 Description:
317 =============== ==============
318 hw_rev: (RO) Hardware
319
320 hca_type: (RO) Host chan
321
322 board_id: (RO) Manufactu
323 =============== ==============
324
325
326 What: /sys/class/infiniband/mlx4_X/i
327 What: /sys/class/infiniband/mlx4_X/i
328 What: /sys/class/infiniband/mlx4_X/i
329 What: /sys/class/infiniband/mlx4_X/i
330 What: /sys/class/infiniband/mlx4_X/i
331 What: /sys/class/infiniband/mlx4_X/i
332 Date: Aug, 2012
333 KernelVersion: v3.6.15
334 Contact: linux-rdma@vger.kernel.org
335 Description:
336 The sysfs iov directory is use
337 P_Key and guid paravirtualizat
338 for the master -- slaves do no
339
340 Under iov/ports, the administr
341 tables as they are present in
342 "network view" presented to th
343
344 The "pkeys" and "gids" subdire
345 entry in the port's P_Key or G
346 example, ports/1/pkeys/10 cont
347 1's P_Key table.
348
349 ======================= ======
350 gids/<n>: (RO) T
351
352 admin_guids/<n>: (RW) A
353 admini
354 n = 0.
355
356 pkeys/<n>: (RO) D
357 key ta
358
359 mcgs/: (RO) M
360
361 <m>/gid_idx/0: (RO) D
362
363 <m>/pkey_idx/<n>: (RW) W
364 m = 1.
365
366 Under
367 direct
368 number
369 iov/po
370 number
371
372 For ex
373 port 1
374 index
375 guest,
376 1, wil
377 index
378 ======================= ======
379
380
381 What: /sys/class/infiniband/mlx4_X/i
382 What: /sys/class/infiniband/mlx4_X/i
383 Date: May, 2014
384 KernelVersion: v3.15.7
385 Contact: linux-rdma@vger.kernel.org
386 Description:
387 Enabling QP0 on VFs for select
388 enabled for QP0 operation.
389
390 ================= ==== =======
391 smi_enabled: (RO) Indicat
392 for the
393
394 enable_smi_admin: (RW) Used by
395 capabil
396 indicat
397 ================= ==== =======
398
399 The requested enablement will
400 (e.g. driver restart on the VM
401
402
403 sysfs interface for Chelsio T4/T5 RDMA driver
404 ----------------------------------------------
405
406 What: /sys/class/infiniband/cxgb4_X/
407 What: /sys/class/infiniband/cxgb4_X/
408 What: /sys/class/infiniband/cxgb4_X/
409 Date: Apr, 2010
410 KernelVersion: v2.6.35
411 Contact: linux-rdma@vger.kernel.org
412 Description:
413
414 =============== ==============
415 hw_rev: (RO) Hardware
416
417 hca_type: (RO) Driver sh
418 the name in it
419 pci_driver::na
420
421 board_id: (RO) Manufactu
422 information)
423 =============== ==============
424
425
426 sysfs interface for Intel IB driver qib
427 ---------------------------------------
428
429 What: /sys/class/infiniband/qibX/ver
430 What: /sys/class/infiniband/qibX/hw_
431 What: /sys/class/infiniband/qibX/hca
432 What: /sys/class/infiniband/qibX/boa
433 What: /sys/class/infiniband/qibX/boa
434 What: /sys/class/infiniband/qibX/nct
435 What: /sys/class/infiniband/qibX/loc
436 What: /sys/class/infiniband/qibX/tem
437 What: /sys/class/infiniband/qibX/ser
438 What: /sys/class/infiniband/qibX/nfr
439 What: /sys/class/infiniband/qibX/chi
440 Date: May, 2010
441 KernelVersion: v2.6.35
442 Contact: linux-rdma@vger.kernel.org
443 Description:
444 =============== ==============
445 version: (RO) Display v
446 and drivers.
447
448 hw_rev: (RO) Hardware
449
450 hca_type: (RO) Host chan
451
452 board_id: (RO) Manufactu
453
454 boardversion: (RO) Current v
455
456 nctxts: (RO) Return th
457 available
458
459 localbus_info: (RO) Human rea
460
461 tempsense: (RO) Display t
462
463 serial: (RO) Serial nu
464
465 nfreectxts: (RO) The numbe
466 available.
467
468 chip_reset: (WO) Reset the
469 "reset" to thi
470 contexts are o
471 =============== ==============
472
473
474 What: /sys/class/infiniband/qibX/por
475 Date: May, 2010
476 KernelVersion: v2.6.35
477 Contact: linux-rdma@vger.kernel.org
478 Description:
479 (RO) The directory contains 16
480 the Service Level (SL). Listin
481 Lane (VL) as programmed by the
482
483 What: /sys/class/infiniband/qibX/por
484 What: /sys/class/infiniband/qibX/por
485 Date: May, 2010
486 KernelVersion: v2.6.35
487 Contact: linux-rdma@vger.kernel.org
488 Description:
489 Per-port congestion control. B
490
491 =============== ==============
492 cc_table_bin (RO) Congestio
493 table entries.
494
495 cc_settings_bin (RO) Congestio
496 map and an arr
497 congestion ent
498 trigger thresh
499 delay.
500 =============== ==============
501
502 What: /sys/class/infiniband/qibX/por
503 What: /sys/class/infiniband/qibX/por
504 What: /sys/class/infiniband/qibX/por
505 What: /sys/class/infiniband/qibX/por
506 What: /sys/class/infiniband/qibX/por
507 Date: May, 2010
508 KernelVersion: v2.6.35
509 Contact: linux-rdma@vger.kernel.org
510 Description:
511 [to be documented]
512
513 =============== ==============
514 loopback: (WO)
515 led_override: (WO)
516 hrtbt_enable: (RW)
517 status: (RO)
518
519 status_str: (RO) Displays
520 possible cable
521 errors. Possib
522 "Present", "IB
523 "Fatal_Hardwar
524 =============== ==============
525
526 What: /sys/class/infiniband/qibX/por
527 What: /sys/class/infiniband/qibX/por
528 What: /sys/class/infiniband/qibX/por
529 What: /sys/class/infiniband/qibX/por
530 What: /sys/class/infiniband/qibX/por
531 What: /sys/class/infiniband/qibX/por
532 What: /sys/class/infiniband/qibX/por
533 What: /sys/class/infiniband/qibX/por
534 What: /sys/class/infiniband/qibX/por
535 What: /sys/class/infiniband/qibX/por
536 Date: May, 2010
537 KernelVersion: v2.6.35
538 Contact: linux-rdma@vger.kernel.org
539 Description:
540 [to be documented]
541
542
543 sysfs interface for Mellanox Connect-IB HCA dr
544 ----------------------------------------------
545
546 What: /sys/class/infiniband/mlx5_X/h
547 What: /sys/class/infiniband/mlx5_X/h
548 What: /sys/class/infiniband/mlx5_X/r
549 What: /sys/class/infiniband/mlx5_X/f
550 Date: Jul, 2013
551 KernelVersion: v3.11
552 Contact: linux-rdma@vger.kernel.org
553 Description:
554 [to be documented]
555
556
557 sysfs interface for Cisco VIC (usNIC) Verbs Dr
558 ----------------------------------------------
559
560 What: /sys/class/infiniband/usnic_X/
561 What: /sys/class/infiniband/usnic_X/
562 What: /sys/class/infiniband/usnic_X/
563 What: /sys/class/infiniband/usnic_X/
564 What: /sys/class/infiniband/usnic_X/
565 What: /sys/class/infiniband/usnic_X/
566 Date: Sep, 2013
567 KernelVersion: v3.14
568 Contact: Christian Benvenuti <benve@cisc
569 Dave Goodell <dgoodell@cisco.co
570 linux-rdma@vger.kernel.org
571 Description:
572
573 =============== ==============
574 board_id: (RO) Manufactu
575
576 config: (RO) Report th
577
578 qp_per_vf: (RO) Queue pai
579
580 max_vf: (RO) Max virtu
581
582 cq_per_vf: (RO) Completio
583
584 iface: (RO) Shows whi
585 entry is assoc
586 =============== ==============
587
588 What: /sys/class/infiniband/usnic_X/
589 What: /sys/class/infiniband/usnic_X/
590 Date: Sep, 2013
591 KernelVersion: v3.14
592 Contact: Christian Benvenuti <benve@cisc
593 Dave Goodell <dgoodell@cisco.co
594 linux-rdma@vger.kernel.org
595 Description:
596 [to be documented]
597
598
599 sysfs interface for Emulex RoCE HCA Driver
600 ------------------------------------------
601
602 What: /sys/class/infiniband/ocrdmaX/
603 Date: Feb, 2014
604 KernelVersion: v3.14
605 Description:
606 hw_rev: (RO) Hardware
607
608 What: /sys/class/infiniband/ocrdmaX/
609 Date: Jun, 2014
610 KernelVersion: v3.16
611 Contact: linux-rdma@vger.kernel.org
612 Description:
613 hca_type: (RO) Display F
614
615
616 sysfs interface for Intel Omni-Path driver (HF
617 ----------------------------------------------
618
619 What: /sys/class/infiniband/hfi1_X/h
620 What: /sys/class/infiniband/hfi1_X/b
621 What: /sys/class/infiniband/hfi1_X/n
622 What: /sys/class/infiniband/hfi1_X/s
623 What: /sys/class/infiniband/hfi1_X/c
624 What: /sys/class/infiniband/hfi1_X/b
625 What: /sys/class/infiniband/hfi1_X/n
626 What: /sys/class/infiniband/hfi1_X/t
627 Date: May, 2016
628 KernelVersion: v4.6
629 Contact: linux-rdma@vger.kernel.org
630 Description:
631 =============== ==============
632 hw_rev: (RO) Hardware
633
634 board_id: (RO) Manufactu
635
636 nctxts: (RO) Total con
637
638 serial: (RO) Board ser
639
640 chip_reset: (WO) Write "re
641 chip if possib
642 contexts are o
643
644 boardversion: (RO) Human rea
645
646 nfreectxts: (RO) The numbe
647 available.
648
649 tempsense: (RO) Thermal s
650 =============== ==============
651
652
653 What: /sys/class/infiniband/hfi1_X/p
654 What: /sys/class/infiniband/hfi1_X/p
655 What: /sys/class/infiniband/hfi1_X/p
656 Date: May, 2016
657 KernelVersion: v4.6
658 Contact: linux-rdma@vger.kernel.org
659 Description:
660 Per-port congestion control.
661
662 =============== ==============
663 cc_table_bin (RO) CCA table
664 table size fol
665 attribute.
666
667 cc_settings_bin (RO) Congestio
668 map and an arr
669 congestion ent
670 trigger thresh
671 delay. Binary
672
673 cc_prescan (RW) enable pr
674 response. Writ
675 disable.
676 =============== ==============
677
678 What: /sys/class/infiniband/hfi1_X/p
679 What: /sys/class/infiniband/hfi1_X/p
680 What: /sys/class/infiniband/hfi1_X/p
681 Date: May, 2016
682 KernelVersion: v4.6
683 Contact: linux-rdma@vger.kernel.org
684 Description:
685 =============== ==============
686 sc2vl/: (RO) 32 files
687
688 sl2sc/: (RO) 32 files
689
690 vl2mtu/: (RO) 16 files
691 =============== ==============
692
693
694 What: /sys/class/infiniband/hfi1_X/s
695 What: /sys/class/infiniband/hfi1_X/s
696 Date: Sept, 2016
697 KernelVersion: v4.8
698 Contact: linux-rdma@vger.kernel.org
699 Description:
700 sdma<N>/ contains one director
701
702 =============== ==============
703 cpu_list: (RW) List of c
704 engine assignm
705
706 vl: (RO) Displays
707 engine maps to
708 =============== ==============
709
710 This interface gives the user
711 for the device. As an example,
712 affinity and thread affinity o
713 sdma engine, which is "near" i
714 physical cpu location, the use
715
716 echo "3" > /proc/irq/<N>/smp
717 echo "4-7" > /sys/devices/..
718 cat /sys/devices/.../sdma3/v
719 0
720 echo "8" > /proc/irq/<M>/smp
721 echo "9-12" > /sys/devices/.
722 cat /sys/devices/.../sdma4/v
723 1
724
725 to make sure that when a proce
726 uses vl=0, then sdma engine 3
727 also the interrupt of the sdma
728 Similarly, when a process runs
729 vl=1, then engine 4 will be se
730 engine 4 is steered to cpu 8.
731 is the irq number of "sdma3",
732 the /proc/interrupts file.
733
734 sysfs interface for QLogic qedr NIC Driver
735 ------------------------------------------
736
737 What: /sys/class/infiniband/qedrX/hw
738 What: /sys/class/infiniband/qedrX/hc
739 Date: Oct, 2016
740 KernelVersion: v4.10
741 Contact: linux-rdma@vger.kernel.org
742 Description:
743
744 =============== ==== =========
745 hw_rev: (RO) Hardware
746
747 hca_type: (RO) Display H
748 =============== ==== =========
749
750
751 sysfs interface for VMware Paravirtual RDMA dr
752 ----------------------------------------------
753
754 What: /sys/class/infiniband/vmw_pvrd
755 What: /sys/class/infiniband/vmw_pvrd
756 What: /sys/class/infiniband/vmw_pvrd
757 Date: Oct, 2016
758 KernelVersion: v4.10
759 Contact: linux-rdma@vger.kernel.org
760 Description:
761
762 =============== ==== =========
763 hw_rev: (RO) Hardware
764
765 hca_type: (RO) Host chan
766
767 board_id: (RO) Display P
768 =============== ==== =========
769
770
771 sysfs interface for Broadcom NetXtreme-E RoCE
772 ----------------------------------------------
773
774 What: /sys/class/infiniband/bnxt_reX
775 What: /sys/class/infiniband/bnxt_reX
776 Date: Feb, 2017
777 KernelVersion: v4.11
778 Contact: linux-rdma@vger.kernel.org
779 Description:
780 =============== ==== =========
781 hw_rev: (RO) Hardware
782
783 hca_type: (RO) Host chan
784 =============== ==== =========
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