1 sysfs interface common for all infiniband devices 2 ------------------------------------------------- 3 4 What: /sys/class/infiniband/<device>/node_type 5 What: /sys/class/infiniband/<device>/node_guid 6 What: /sys/class/infiniband/<device>/sys_image_guid 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 (CA, RNIC, usNIC, usNIC UDP, 13 switch or router) 14 15 node_guid: (RO) Node GUID 16 17 sys_image_guid: (RO) System image GUID 18 =============== =========================================== 19 20 21 What: /sys/class/infiniband/<device>/node_desc 22 Date: Feb, 2006 23 KernelVersion: v2.6.17 24 Contact: linux-rdma@vger.kernel.org 25 Description: 26 (RW) Update the node description with information such as the 27 node's hostname, so that IB network management software can tie 28 its view to the real world. 29 30 31 What: /sys/class/infiniband/<device>/fw_ver 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>/ports/<port-num>/lid 40 What: /sys/class/infiniband/<device>/ports/<port-num>/rate 41 What: /sys/class/infiniband/<device>/ports/<port-num>/lid_mask_count 42 What: /sys/class/infiniband/<device>/ports/<port-num>/sm_sl 43 What: /sys/class/infiniband/<device>/ports/<port-num>/sm_lid 44 What: /sys/class/infiniband/<device>/ports/<port-num>/state 45 What: /sys/class/infiniband/<device>/ports/<port-num>/phys_state 46 What: /sys/class/infiniband/<device>/ports/<port-num>/cap_mask 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 rate (active width * active 56 speed) 57 58 lid_mask_count: (RO) Port LID mask count 59 60 sm_sl: (RO) Subnet manager SL for port's subnet 61 62 sm_lid: (RO) Subnet manager LID for port's subnet 63 64 state: (RO) Port state (DOWN, INIT, ARMED, ACTIVE or 65 ACTIVE_DEFER) 66 67 phys_state: (RO) Port physical state (Sleep, Polling, 68 LinkUp, etc) 69 70 cap_mask: (RO) Port capability mask. 2 bits here are 71 settable- IsCommunicationManagementSupported 72 (set when CM module is loaded) and IsSM (set 73 via open of issmN file). 74 =============== =============================================== 75 76 77 What: /sys/class/infiniband/<device>/ports/<port-num>/link_layer 78 Date: Oct, 2010 79 KernelVersion: v2.6.37 80 Contact: linux-rdma@vger.kernel.org 81 Description: 82 (RO) Link layer type information (Infiniband or Ethernet type) 83 84 85 What: /sys/class/infiniband/<device>/ports/<port-num>/counters/symbol_error 86 What: /sys/class/infiniband/<device>/ports/<port-num>/counters/port_rcv_errors 87 What: /sys/class/infiniband/<device>/ports/<port-num>/counters/port_rcv_remote_physical_errors 88 What: /sys/class/infiniband/<device>/ports/<port-num>/counters/port_rcv_switch_relay_errors 89 What: /sys/class/infiniband/<device>/ports/<port-num>/counters/link_error_recovery 90 What: /sys/class/infiniband/<device>/ports/<port-num>/counters/port_xmit_constraint_errors 91 What: /sys/class/infiniband/<device>/ports/<port-num>/counters/port_rcv_contraint_errors 92 What: /sys/class/infiniband/<device>/ports/<port-num>/counters/local_link_integrity_errors 93 What: /sys/class/infiniband/<device>/ports/<port-num>/counters/excessive_buffer_overrun_errors 94 What: /sys/class/infiniband/<device>/ports/<port-num>/counters/port_xmit_data 95 What: /sys/class/infiniband/<device>/ports/<port-num>/counters/port_rcv_data 96 What: /sys/class/infiniband/<device>/ports/<port-num>/counters/port_xmit_packets 97 What: /sys/class/infiniband/<device>/ports/<port-num>/counters/port_rcv_packets 98 What: /sys/class/infiniband/<device>/ports/<port-num>/counters/unicast_rcv_packets 99 What: /sys/class/infiniband/<device>/ports/<port-num>/counters/unicast_xmit_packets 100 What: /sys/class/infiniband/<device>/ports/<port-num>/counters/multicast_rcv_packets 101 What: /sys/class/infiniband/<device>/ports/<port-num>/counters/multicast_xmit_packets 102 What: /sys/class/infiniband/<device>/ports/<port-num>/counters/link_downed 103 What: /sys/class/infiniband/<device>/ports/<port-num>/counters/port_xmit_discards 104 What: /sys/class/infiniband/<device>/ports/<port-num>/counters/VL15_dropped 105 What: /sys/class/infiniband/<device>/ports/<port-num>/counters/port_xmit_wait 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 number of minor link errors detected on 113 one or more physical lanes. 114 115 port_rcv_errors : (RO) Total number of packets containing an 116 error that were received on the port. 117 118 port_rcv_remote_physical_errors : (RO) Total number of packets 119 marked with the EBP delimiter received on the port. 120 121 port_rcv_switch_relay_errors : (RO) Total number of packets 122 received on the port that were discarded because they could not 123 be forwarded by the switch relay. 124 125 link_error_recovery: (RO) Total number of times the Port 126 Training state machine has successfully completed the link error 127 recovery process. 128 129 port_xmit_constraint_errors: (RO) Total number of packets not 130 transmitted from the switch physical port due to outbound raw 131 filtering or failing outbound partition or IP version check. 132 133 port_rcv_constraint_errors: (RO) Total number of packets 134 received on the switch physical port that are discarded due to 135 inbound raw filtering or failing inbound partition or IP version 136 check. 137 138 local_link_integrity_errors: (RO) The number of times that the 139 count of local physical errors exceeded the threshold specified 140 by LocalPhyErrors 141 142 excessive_buffer_overrun_errors: (RO) This counter, indicates an 143 input buffer overrun. It indicates possible misconfiguration of 144 a port, either by the Subnet Manager (SM) or by user 145 intervention. It can also indicate hardware issues or extremely 146 poor link signal integrity 147 148 **Data info**: 149 150 port_xmit_data: (RO) Total number of data octets, divided by 4 151 (lanes), transmitted on all VLs. This is 64 bit counter 152 153 port_rcv_data: (RO) Total number of data octets, divided by 4 154 (lanes), received on all VLs. This is 64 bit counter. 155 156 port_xmit_packets: (RO) Total number of packets transmitted on 157 all VLs from this port. This may include packets with errors. 158 This is 64 bit counter. 159 160 port_rcv_packets: (RO) Total number of packets (this may include 161 packets containing Errors. This is 64 bit counter. 162 163 link_downed: (RO) Total number of times the Port Training state 164 machine has failed the link error recovery process and downed 165 the link. 166 167 unicast_rcv_packets: (RO) Total number of unicast packets, 168 including unicast packets containing errors. 169 170 unicast_xmit_packets: (RO) Total number of unicast packets 171 transmitted on all VLs from the port. This may include unicast 172 packets with errors. 173 174 multicast_rcv_packets: (RO) Total number of multicast packets, 175 including multicast packets containing errors. 176 177 multicast_xmit_packets: (RO) Total number of multicast packets 178 transmitted on all VLs from the port. This may include multicast 179 packets with errors. 180 181 **Misc info**: 182 183 port_xmit_discards: (RO) Total number of outbound packets 184 discarded by the port because the port is down or congested. 185 186 VL15_dropped: (RO) Number of incoming VL15 packets dropped due 187 to resource limitations (e.g., lack of buffers) of the port. 188 189 port_xmit_wait: (RO) The number of ticks during which the port 190 had data to transmit but no data was sent during the entire tick 191 (either because of insufficient credits or because of lack of 192 arbitration). 193 194 Each of these files contains the corresponding value from the 195 port's Performance Management PortCounters attribute, as 196 described in the InfiniBand Architecture Specification. 197 198 199 What: /sys/class/infiniband/<device-name>/hw_counters/lifespan 200 What: /sys/class/infiniband/<device-name>/ports/<port-num>/hw_counters/lifespan 201 Date: May, 2016 202 KernelVersion: 4.6 203 Contact: linux-rdma@vger.kernel.org 204 Description: 205 The optional "hw_counters" subdirectory can be under either the 206 parent device or the port subdirectories or both. If present, 207 there are a list of counters provided by the hardware. They may 208 match some of the counters in the counters directory, but they 209 often include many other counters. In addition to the various 210 counters, there will be a file named "lifespan" that configures 211 how frequently the core should update the counters when they are 212 being accessed (counters are not updated if they are not being 213 accessed). The lifespan is in milliseconds and defaults to 10 214 unless set to something else by the driver. Users may echo a 215 value between 0-10000 to the lifespan file to set the length 216 of time between updates in milliseconds. 217 218 219 What: /sys/class/infiniband/<hca>/ports/<port-number>/gid_attrs/ndevs/<gid-index> 220 Date: November 29, 2015 221 KernelVersion: 4.4.0 222 Contact: linux-rdma@vger.kernel.org 223 Description: The net-device's name associated with the GID resides 224 at index <gid-index>. 225 226 What: /sys/class/infiniband/<hca>/ports/<port-number>/gid_attrs/types/<gid-index> 227 Date: November 29, 2015 228 KernelVersion: 4.4.0 229 Contact: linux-rdma@vger.kernel.org 230 Description: The RoCE type of the associated GID resides at index <gid-index>. 231 This could either be "IB/RoCE v1" for IB and RoCE v1 based GIDs 232 or "RoCE v2" for RoCE v2 based GIDs. 233 234 235 What: /sys/class/infiniband_mad/umad<N>/ibdev 236 What: /sys/class/infiniband_mad/umad<N>/port 237 What: /sys/class/infiniband_mad/issm<N>/ibdev 238 What: /sys/class/infiniband_mad/issm<N>/port 239 Date: Apr, 2005 240 KernelVersion: v2.6.12 241 Contact: linux-rdma@vger.kernel.org 242 Description: 243 Each port of each InfiniBand device has a "umad" device and an 244 "issm" device attached. For example, a two-port HCA will have 245 two umad devices and two issm devices, while a switch will have 246 one device of each type (for switch port 0). 247 248 ======= ===================================== 249 ibdev: (RO) Show Infiniband (IB) device name 250 251 port: (RO) Display port number 252 ======= ===================================== 253 254 255 What: /sys/class/infiniband_mad/abi_version 256 Date: Apr, 2005 257 KernelVersion: v2.6.12 258 Contact: linux-rdma@vger.kernel.org 259 Description: 260 (RO) Value is incremented if any changes are made that break 261 userspace ABI compatibility of umad & issm devices. 262 263 264 What: /sys/class/infiniband_verbs/uverbs<N>/ibdev 265 What: /sys/class/infiniband_verbs/uverbs<N>/abi_version 266 Date: Sept, 2005 267 KernelVersion: v2.6.14 268 Contact: linux-rdma@vger.kernel.org 269 Description: 270 =============== =========================================== 271 ibdev: (RO) Display Infiniband (IB) device name 272 273 abi_version: (RO) Show ABI version of IB device specific 274 interfaces. 275 =============== =========================================== 276 277 278 What: /sys/class/infiniband_verbs/abi_version 279 Date: Sep, 2005 280 KernelVersion: v2.6.14 281 Contact: linux-rdma@vger.kernel.org 282 Description: 283 (RO) Value is incremented if any changes are made that break 284 userspace ABI compatibility of uverbs devices. 285 286 287 sysfs interface for Mellanox IB HCA low-level driver (mthca) 288 ------------------------------------------------------------ 289 290 What: /sys/class/infiniband/mthcaX/hw_rev 291 What: /sys/class/infiniband/mthcaX/hca_type 292 What: /sys/class/infiniband/mthcaX/board_id 293 Date: Apr, 2005 294 KernelVersion: v2.6.12 295 Contact: linux-rdma@vger.kernel.org 296 Description: 297 =============== ================================================ 298 hw_rev: (RO) Hardware revision number 299 300 hca_type: (RO) Host Channel Adapter type: MT23108, MT25208 301 (MT23108 compat mode), MT25208 or MT25204 302 303 board_id: (RO) Manufacturing board ID 304 =============== ================================================ 305 306 307 sysfs interface for Mellanox ConnectX HCA IB driver (mlx4) 308 ---------------------------------------------------------- 309 310 What: /sys/class/infiniband/mlx4_X/hw_rev 311 What: /sys/class/infiniband/mlx4_X/hca_type 312 What: /sys/class/infiniband/mlx4_X/board_id 313 Date: Sep, 2007 314 KernelVersion: v2.6.24 315 Contact: linux-rdma@vger.kernel.org 316 Description: 317 =============== =============================== 318 hw_rev: (RO) Hardware revision number 319 320 hca_type: (RO) Host channel adapter type 321 322 board_id: (RO) Manufacturing board ID 323 =============== =============================== 324 325 326 What: /sys/class/infiniband/mlx4_X/iov/ports/<port-num>/gids/<n> 327 What: /sys/class/infiniband/mlx4_X/iov/ports/<port-num>/admin_guids/<n> 328 What: /sys/class/infiniband/mlx4_X/iov/ports/<port-num>/pkeys/<n> 329 What: /sys/class/infiniband/mlx4_X/iov/ports/<port-num>/mcgs/ 330 What: /sys/class/infiniband/mlx4_X/iov/ports/<pci-slot-num>/ports/<m>/gid_idx/0 331 What: /sys/class/infiniband/mlx4_X/iov/ports/<pci-slot-num>/ports/<m>/pkey_idx/<n> 332 Date: Aug, 2012 333 KernelVersion: v3.6.15 334 Contact: linux-rdma@vger.kernel.org 335 Description: 336 The sysfs iov directory is used to manage and examine the port 337 P_Key and guid paravirtualization. This directory is added only 338 for the master -- slaves do not have it. 339 340 Under iov/ports, the administrator may examine the gid and P_Key 341 tables as they are present in the device (and as are seen in the 342 "network view" presented to the SM). 343 344 The "pkeys" and "gids" subdirectories contain one file for each 345 entry in the port's P_Key or GID table respectively. For 346 example, ports/1/pkeys/10 contains the value at index 10 in port 347 1's P_Key table. 348 349 ======================= ========================================== 350 gids/<n>: (RO) The physical port gids n = 0..127 351 352 admin_guids/<n>: (RW) Allows examining or changing the 353 administrative state of a given GUID 354 n = 0..127 355 356 pkeys/<n>: (RO) Displays the contents of the physical 357 key table n = 0..126 358 359 mcgs/: (RO) Multicast group table 360 361 <m>/gid_idx/0: (RO) Display the GID mapping m = 1..2 362 363 <m>/pkey_idx/<n>: (RW) Writable except for RoCE pkeys. 364 m = 1..2, n = 0..126 365 366 Under the iov/<pci slot number> 367 directories, the admin may map the index 368 numbers in the physical tables (as under 369 iov/ports) to the paravirtualized index 370 numbers that guests see. 371 372 For example, if the administrator, for 373 port 1 on guest 2 maps physical pkey 374 index 10 to virtual index 1, then that 375 guest, whenever it uses its pkey index 376 1, will actually be using the real pkey 377 index 10. 378 ======================= ========================================== 379 380 381 What: /sys/class/infiniband/mlx4_X/iov/<pci-slot-num>/ports/<m>/smi_enabled 382 What: /sys/class/infiniband/mlx4_X/iov/<pci-slot-num>/ports/<m>/enable_smi_admin 383 Date: May, 2014 384 KernelVersion: v3.15.7 385 Contact: linux-rdma@vger.kernel.org 386 Description: 387 Enabling QP0 on VFs for selected VF/port. By default, no VFs are 388 enabled for QP0 operation. 389 390 ================= ==== =========================================== 391 smi_enabled: (RO) Indicates whether smi is currently enabled 392 for the indicated VF/port 393 394 enable_smi_admin: (RW) Used by the admin to request that smi 395 capability be enabled or disabled for the 396 indicated VF/port. 0 = disable, 1 = enable. 397 ================= ==== =========================================== 398 399 The requested enablement will occur at the next reset of the VF 400 (e.g. driver restart on the VM which owns the VF). 401 402 403 sysfs interface for Chelsio T4/T5 RDMA driver (cxgb4) 404 ----------------------------------------------------- 405 406 What: /sys/class/infiniband/cxgb4_X/hw_rev 407 What: /sys/class/infiniband/cxgb4_X/hca_type 408 What: /sys/class/infiniband/cxgb4_X/board_id 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 revision number 416 417 hca_type: (RO) Driver short name. Should normally match 418 the name in its bus driver structure (e.g. 419 pci_driver::name) 420 421 board_id: (RO) Manufacturing board id. (Vendor + device 422 information) 423 =============== ============================================= 424 425 426 sysfs interface for Intel IB driver qib 427 --------------------------------------- 428 429 What: /sys/class/infiniband/qibX/version 430 What: /sys/class/infiniband/qibX/hw_rev 431 What: /sys/class/infiniband/qibX/hca_type 432 What: /sys/class/infiniband/qibX/board_id 433 What: /sys/class/infiniband/qibX/boardversion 434 What: /sys/class/infiniband/qibX/nctxts 435 What: /sys/class/infiniband/qibX/localbus_info 436 What: /sys/class/infiniband/qibX/tempsense 437 What: /sys/class/infiniband/qibX/serial 438 What: /sys/class/infiniband/qibX/nfreectxts 439 What: /sys/class/infiniband/qibX/chip_reset 440 Date: May, 2010 441 KernelVersion: v2.6.35 442 Contact: linux-rdma@vger.kernel.org 443 Description: 444 =============== ====================================================== 445 version: (RO) Display version information of installed software 446 and drivers. 447 448 hw_rev: (RO) Hardware revision number 449 450 hca_type: (RO) Host channel adapter type 451 452 board_id: (RO) Manufacturing board id 453 454 boardversion: (RO) Current version of the chip architecture 455 456 nctxts: (RO) Return the number of user ports (contexts) 457 available 458 459 localbus_info: (RO) Human readable localbus info 460 461 tempsense: (RO) Display temp sense registers in decimal 462 463 serial: (RO) Serial number of the HCA 464 465 nfreectxts: (RO) The number of free user ports (contexts) 466 available. 467 468 chip_reset: (WO) Reset the chip if possible by writing 469 "reset" to this file. Only allowed if no user 470 contexts are open that use chip resources. 471 =============== ====================================================== 472 473 474 What: /sys/class/infiniband/qibX/ports/<N>/sl2vl/[0-15] 475 Date: May, 2010 476 KernelVersion: v2.6.35 477 Contact: linux-rdma@vger.kernel.org 478 Description: 479 (RO) The directory contains 16 files numbered 0-15 that specify 480 the Service Level (SL). Listing the SL files returns the Virtual 481 Lane (VL) as programmed by the SL. 482 483 What: /sys/class/infiniband/qibX/ports/<N>/CCMgtA/cc_settings_bin 484 What: /sys/class/infiniband/qibX/ports/<N>/CCMgtA/cc_table_bin 485 Date: May, 2010 486 KernelVersion: v2.6.35 487 Contact: linux-rdma@vger.kernel.org 488 Description: 489 Per-port congestion control. Both are binary attributes. 490 491 =============== ================================================ 492 cc_table_bin (RO) Congestion control table size followed by 493 table entries. 494 495 cc_settings_bin (RO) Congestion settings: port control, control 496 map and an array of 16 entries for the 497 congestion entries - increase, timer, event log 498 trigger threshold and the minimum injection rate 499 delay. 500 =============== ================================================ 501 502 What: /sys/class/infiniband/qibX/ports/<N>/linkstate/loopback 503 What: /sys/class/infiniband/qibX/ports/<N>/linkstate/led_override 504 What: /sys/class/infiniband/qibX/ports/<N>/linkstate/hrtbt_enable 505 What: /sys/class/infiniband/qibX/ports/<N>/linkstate/status 506 What: /sys/class/infiniband/qibX/ports/<N>/linkstate/status_str 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 information about the link state, 520 possible cable/switch problems, and hardware 521 errors. Possible states are- "Initted", 522 "Present", "IB_link_up", "IB_configured" or 523 "Fatal_Hardware_Error". 524 =============== =============================================== 525 526 What: /sys/class/infiniband/qibX/ports/<N>/diag_counters/rc_resends 527 What: /sys/class/infiniband/qibX/ports/<N>/diag_counters/seq_naks 528 What: /sys/class/infiniband/qibX/ports/<N>/diag_counters/rdma_seq 529 What: /sys/class/infiniband/qibX/ports/<N>/diag_counters/rnr_naks 530 What: /sys/class/infiniband/qibX/ports/<N>/diag_counters/other_naks 531 What: /sys/class/infiniband/qibX/ports/<N>/diag_counters/rc_timeouts 532 What: /sys/class/infiniband/qibX/ports/<N>/diag_counters/look_pkts 533 What: /sys/class/infiniband/qibX/ports/<N>/diag_counters/pkt_drops 534 What: /sys/class/infiniband/qibX/ports/<N>/diag_counters/dma_wait 535 What: /sys/class/infiniband/qibX/ports/<N>/diag_counters/unaligned 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 driver mlx5 544 ------------------------------------------------------- 545 546 What: /sys/class/infiniband/mlx5_X/hw_rev 547 What: /sys/class/infiniband/mlx5_X/hca_type 548 What: /sys/class/infiniband/mlx5_X/reg_pages 549 What: /sys/class/infiniband/mlx5_X/fw_pages 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 Driver 558 -------------------------------------------------- 559 560 What: /sys/class/infiniband/usnic_X/board_id 561 What: /sys/class/infiniband/usnic_X/config 562 What: /sys/class/infiniband/usnic_X/qp_per_vf 563 What: /sys/class/infiniband/usnic_X/max_vf 564 What: /sys/class/infiniband/usnic_X/cq_per_vf 565 What: /sys/class/infiniband/usnic_X/iface 566 Date: Sep, 2013 567 KernelVersion: v3.14 568 Contact: Christian Benvenuti <benve@cisco.com>, 569 Dave Goodell <dgoodell@cisco.com>, 570 linux-rdma@vger.kernel.org 571 Description: 572 573 =============== =============================================== 574 board_id: (RO) Manufacturing board id 575 576 config: (RO) Report the configuration for this PF 577 578 qp_per_vf: (RO) Queue pairs per virtual function. 579 580 max_vf: (RO) Max virtual functions 581 582 cq_per_vf: (RO) Completion queue per virtual function 583 584 iface: (RO) Shows which network interface this usNIC 585 entry is associated to (visible with ifconfig). 586 =============== =============================================== 587 588 What: /sys/class/infiniband/usnic_X/qpn/summary 589 What: /sys/class/infiniband/usnic_X/qpn/context 590 Date: Sep, 2013 591 KernelVersion: v3.14 592 Contact: Christian Benvenuti <benve@cisco.com>, 593 Dave Goodell <dgoodell@cisco.com>, 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/hw_rev 603 Date: Feb, 2014 604 KernelVersion: v3.14 605 Description: 606 hw_rev: (RO) Hardware revision number 607 608 What: /sys/class/infiniband/ocrdmaX/hca_type 609 Date: Jun, 2014 610 KernelVersion: v3.16 611 Contact: linux-rdma@vger.kernel.org 612 Description: 613 hca_type: (RO) Display FW version 614 615 616 sysfs interface for Intel Omni-Path driver (HFI1) 617 ------------------------------------------------- 618 619 What: /sys/class/infiniband/hfi1_X/hw_rev 620 What: /sys/class/infiniband/hfi1_X/board_id 621 What: /sys/class/infiniband/hfi1_X/nctxts 622 What: /sys/class/infiniband/hfi1_X/serial 623 What: /sys/class/infiniband/hfi1_X/chip_reset 624 What: /sys/class/infiniband/hfi1_X/boardversion 625 What: /sys/class/infiniband/hfi1_X/nfreectxts 626 What: /sys/class/infiniband/hfi1_X/tempsense 627 Date: May, 2016 628 KernelVersion: v4.6 629 Contact: linux-rdma@vger.kernel.org 630 Description: 631 =============== ============================================= 632 hw_rev: (RO) Hardware revision number 633 634 board_id: (RO) Manufacturing board id 635 636 nctxts: (RO) Total contexts available. 637 638 serial: (RO) Board serial number 639 640 chip_reset: (WO) Write "reset" to this file to reset the 641 chip if possible. Only allowed if no user 642 contexts are open that use chip resources. 643 644 boardversion: (RO) Human readable board info 645 646 nfreectxts: (RO) The number of free user ports (contexts) 647 available. 648 649 tempsense: (RO) Thermal sense information 650 =============== ============================================= 651 652 653 What: /sys/class/infiniband/hfi1_X/ports/<N>/CCMgtA/cc_settings_bin 654 What: /sys/class/infiniband/hfi1_X/ports/<N>/CCMgtA/cc_table_bin 655 What: /sys/class/infiniband/hfi1_X/ports/<N>/CCMgtA/cc_prescan 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 tables used by PSM2 Congestion control 664 table size followed by table entries. Binary 665 attribute. 666 667 cc_settings_bin (RO) Congestion settings: port control, control 668 map and an array of 16 entries for the 669 congestion entries - increase, timer, event log 670 trigger threshold and the minimum injection rate 671 delay. Binary attribute. 672 673 cc_prescan (RW) enable prescanning for faster BECN 674 response. Write "on" to enable and "off" to 675 disable. 676 =============== ================================================ 677 678 What: /sys/class/infiniband/hfi1_X/ports/<N>/sc2vl/[0-31] 679 What: /sys/class/infiniband/hfi1_X/ports/<N>/sl2sc/[0-31] 680 What: /sys/class/infiniband/hfi1_X/ports/<N>/vl2mtu/[0-15] 681 Date: May, 2016 682 KernelVersion: v4.6 683 Contact: linux-rdma@vger.kernel.org 684 Description: 685 =============== =================================================== 686 sc2vl/: (RO) 32 files (0 - 31) used to translate sl->vl 687 688 sl2sc/: (RO) 32 files (0 - 31) used to translate sl->sc 689 690 vl2mtu/: (RO) 16 files (0 - 15) used to determine MTU for vl 691 =============== =================================================== 692 693 694 What: /sys/class/infiniband/hfi1_X/sdma_<N>/cpu_list 695 What: /sys/class/infiniband/hfi1_X/sdma_<N>/vl 696 Date: Sept, 2016 697 KernelVersion: v4.8 698 Contact: linux-rdma@vger.kernel.org 699 Description: 700 sdma<N>/ contains one directory per sdma engine (0 - 15) 701 702 =============== ============================================== 703 cpu_list: (RW) List of cpus for user-process to sdma 704 engine assignment. 705 706 vl: (RO) Displays the virtual lane (vl) the sdma 707 engine maps to. 708 =============== ============================================== 709 710 This interface gives the user control on the affinity settings 711 for the device. As an example, to set an sdma engine irq 712 affinity and thread affinity of a user processes to use the 713 sdma engine, which is "near" in terms of NUMA configuration, or 714 physical cpu location, the user will do:: 715 716 echo "3" > /proc/irq/<N>/smp_affinity_list 717 echo "4-7" > /sys/devices/.../sdma3/cpu_list 718 cat /sys/devices/.../sdma3/vl 719 0 720 echo "8" > /proc/irq/<M>/smp_affinity_list 721 echo "9-12" > /sys/devices/.../sdma4/cpu_list 722 cat /sys/devices/.../sdma4/vl 723 1 724 725 to make sure that when a process runs on cpus 4,5,6, or 7, and 726 uses vl=0, then sdma engine 3 is selected by the driver, and 727 also the interrupt of the sdma engine 3 is steered to cpu 3. 728 Similarly, when a process runs on cpus 9,10,11, or 12 and sets 729 vl=1, then engine 4 will be selected and the irq of the sdma 730 engine 4 is steered to cpu 8. This assumes that in the above N 731 is the irq number of "sdma3", and M is irq number of "sdma4" in 732 the /proc/interrupts file. 733 734 sysfs interface for QLogic qedr NIC Driver 735 ------------------------------------------ 736 737 What: /sys/class/infiniband/qedrX/hw_rev 738 What: /sys/class/infiniband/qedrX/hca_type 739 Date: Oct, 2016 740 KernelVersion: v4.10 741 Contact: linux-rdma@vger.kernel.org 742 Description: 743 744 =============== ==== ======================== 745 hw_rev: (RO) Hardware revision number 746 747 hca_type: (RO) Display HCA type 748 =============== ==== ======================== 749 750 751 sysfs interface for VMware Paravirtual RDMA driver 752 -------------------------------------------------- 753 754 What: /sys/class/infiniband/vmw_pvrdmaX/hw_rev 755 What: /sys/class/infiniband/vmw_pvrdmaX/hca_type 756 What: /sys/class/infiniband/vmw_pvrdmaX/board_id 757 Date: Oct, 2016 758 KernelVersion: v4.10 759 Contact: linux-rdma@vger.kernel.org 760 Description: 761 762 =============== ==== ===================================== 763 hw_rev: (RO) Hardware revision number 764 765 hca_type: (RO) Host channel adapter type 766 767 board_id: (RO) Display PVRDMA manufacturing board ID 768 =============== ==== ===================================== 769 770 771 sysfs interface for Broadcom NetXtreme-E RoCE driver 772 ---------------------------------------------------- 773 774 What: /sys/class/infiniband/bnxt_reX/hw_rev 775 What: /sys/class/infiniband/bnxt_reX/hca_type 776 Date: Feb, 2017 777 KernelVersion: v4.11 778 Contact: linux-rdma@vger.kernel.org 779 Description: 780 =============== ==== ========================= 781 hw_rev: (RO) Hardware revision number 782 783 hca_type: (RO) Host channel adapter type 784 =============== ==== =========================
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