sysfs interface common for all infiniband devices ------------------------------------------------- What: /sys/class/infiniband/<device>/node_type What: /sys/class/infiniband/<device>/node_guid What: /sys/class/infiniband/<device>/sys_image_guid Date: Apr, 2005 KernelVersion: v2.6.12 Contact: linux-rdma@vger.kernel.org Description: <------><------>=============== =========================================== <------><------>node_type: (RO) Node type (CA, RNIC, usNIC, usNIC UDP, <------><------><------><------>switch or router) <------><------>node_guid: (RO) Node GUID <------><------>sys_image_guid: (RO) System image GUID <------><------>=============== =========================================== What: /sys/class/infiniband/<device>/node_desc Date: Feb, 2006 KernelVersion: v2.6.17 Contact: linux-rdma@vger.kernel.org Description: <------><------>(RW) Update the node description with information such as the <------><------>node's hostname, so that IB network management software can tie <------><------>its view to the real world. What: /sys/class/infiniband/<device>/fw_ver Date: Jun, 2016 KernelVersion: v4.10 Contact: linux-rdma@vger.kernel.org Description: <------><------>(RO) Display firmware version What: /sys/class/infiniband/<device>/ports/<port-num>/lid What: /sys/class/infiniband/<device>/ports/<port-num>/rate What: /sys/class/infiniband/<device>/ports/<port-num>/lid_mask_count What: /sys/class/infiniband/<device>/ports/<port-num>/sm_sl What: /sys/class/infiniband/<device>/ports/<port-num>/sm_lid What: /sys/class/infiniband/<device>/ports/<port-num>/state What: /sys/class/infiniband/<device>/ports/<port-num>/phys_state What: /sys/class/infiniband/<device>/ports/<port-num>/cap_mask Date: Apr, 2005 KernelVersion: v2.6.12 Contact: linux-rdma@vger.kernel.org Description: <------><------>=============== =============================================== <------><------>lid: (RO) Port LID <------><------>rate: (RO) Port data rate (active width * active <------><------><------><------>speed) <------><------>lid_mask_count: (RO) Port LID mask count <------><------>sm_sl: (RO) Subnet manager SL for port's subnet <------><------>sm_lid: (RO) Subnet manager LID for port's subnet <------><------>state: (RO) Port state (DOWN, INIT, ARMED, ACTIVE or <------><------><------><------>ACTIVE_DEFER) <------><------>phys_state: (RO) Port physical state (Sleep, Polling, <------><------><------><------>LinkUp, etc) <------><------>cap_mask: (RO) Port capability mask. 2 bits here are <------><------><------><------>settable- IsCommunicationManagementSupported <------><------><------><------>(set when CM module is loaded) and IsSM (set <------><------><------><------>via open of issmN file). <------><------>=============== =============================================== What: /sys/class/infiniband/<device>/ports/<port-num>/link_layer Date: Oct, 2010 KernelVersion: v2.6.37 Contact: linux-rdma@vger.kernel.org Description: <------><------>(RO) Link layer type information (Infiniband or Ethernet type) What: /sys/class/infiniband/<device>/ports/<port-num>/counters/symbol_error What: /sys/class/infiniband/<device>/ports/<port-num>/counters/port_rcv_errors What: /sys/class/infiniband/<device>/ports/<port-num>/counters/port_rcv_remote_physical_errors What: /sys/class/infiniband/<device>/ports/<port-num>/counters/port_rcv_switch_relay_errors What: /sys/class/infiniband/<device>/ports/<port-num>/counters/link_error_recovery What: /sys/class/infiniband/<device>/ports/<port-num>/counters/port_xmit_constraint_errors What: /sys/class/infiniband/<device>/ports/<port-num>/counters/port_rcv_contraint_errors What: /sys/class/infiniband/<device>/ports/<port-num>/counters/local_link_integrity_errors What: /sys/class/infiniband/<device>/ports/<port-num>/counters/excessive_buffer_overrun_errors What: /sys/class/infiniband/<device>/ports/<port-num>/counters/port_xmit_data What: /sys/class/infiniband/<device>/ports/<port-num>/counters/port_rcv_data What: /sys/class/infiniband/<device>/ports/<port-num>/counters/port_xmit_packets What: /sys/class/infiniband/<device>/ports/<port-num>/counters/port_rcv_packets What: /sys/class/infiniband/<device>/ports/<port-num>/counters/unicast_rcv_packets What: /sys/class/infiniband/<device>/ports/<port-num>/counters/unicast_xmit_packets What: /sys/class/infiniband/<device>/ports/<port-num>/counters/multicast_rcv_packets What: /sys/class/infiniband/<device>/ports/<port-num>/counters/multicast_xmit_packets What: /sys/class/infiniband/<device>/ports/<port-num>/counters/link_downed What: /sys/class/infiniband/<device>/ports/<port-num>/counters/port_xmit_discards What: /sys/class/infiniband/<device>/ports/<port-num>/counters/VL15_dropped What: /sys/class/infiniband/<device>/ports/<port-num>/counters/port_xmit_wait Date: Apr, 2005 KernelVersion: v2.6.12 Contact: linux-rdma@vger.kernel.org Description: <------><------>**Errors info**: <------><------>symbol_error: (RO) Total number of minor link errors detected on <------><------>one or more physical lanes. <------><------>port_rcv_errors : (RO) Total number of packets containing an <------><------>error that were received on the port. <------><------>port_rcv_remote_physical_errors : (RO) Total number of packets <------><------>marked with the EBP delimiter received on the port. <------><------>port_rcv_switch_relay_errors : (RO) Total number of packets <------><------>received on the port that were discarded because they could not <------><------>be forwarded by the switch relay. <------><------>link_error_recovery: (RO) Total number of times the Port <------><------>Training state machine has successfully completed the link error <------><------>recovery process. <------><------>port_xmit_constraint_errors: (RO) Total number of packets not <------><------>transmitted from the switch physical port due to outbound raw <------><------>filtering or failing outbound partition or IP version check. <------><------>port_rcv_constraint_errors: (RO) Total number of packets <------><------>received on the switch physical port that are discarded due to <------><------>inbound raw filtering or failing inbound partition or IP version <------><------>check. <------><------>local_link_integrity_errors: (RO) The number of times that the <------><------>count of local physical errors exceeded the threshold specified <------><------>by LocalPhyErrors <------><------>excessive_buffer_overrun_errors: (RO) This counter, indicates an <------><------>input buffer overrun. It indicates possible misconfiguration of <------><------>a port, either by the Subnet Manager (SM) or by user <------><------>intervention. It can also indicate hardware issues or extremely <------><------>poor link signal integrity <------><------>**Data info**: <------><------>port_xmit_data: (RO) Total number of data octets, divided by 4 <------><------>(lanes), transmitted on all VLs. This is 64 bit counter <------><------>port_rcv_data: (RO) Total number of data octets, divided by 4 <------><------>(lanes), received on all VLs. This is 64 bit counter. <------><------>port_xmit_packets: (RO) Total number of packets transmitted on <------><------>all VLs from this port. This may include packets with errors. <------><------>This is 64 bit counter. <------><------>port_rcv_packets: (RO) Total number of packets (this may include <------><------>packets containing Errors. This is 64 bit counter. <------><------>link_downed: (RO) Total number of times the Port Training state <------><------>machine has failed the link error recovery process and downed <------><------>the link. <------><------>unicast_rcv_packets: (RO) Total number of unicast packets, <------><------>including unicast packets containing errors. <------><------>unicast_xmit_packets: (RO) Total number of unicast packets <------><------>transmitted on all VLs from the port. This may include unicast <------><------>packets with errors. <------><------>multicast_rcv_packets: (RO) Total number of multicast packets, <------><------>including multicast packets containing errors. <------><------>multicast_xmit_packets: (RO) Total number of multicast packets <------><------>transmitted on all VLs from the port. This may include multicast <------><------>packets with errors. <------><------>**Misc info**: <------><------>port_xmit_discards: (RO) Total number of outbound packets <------><------>discarded by the port because the port is down or congested. <------><------>VL15_dropped: (RO) Number of incoming VL15 packets dropped due <------><------>to resource limitations (e.g., lack of buffers) of the port. <------><------>port_xmit_wait: (RO) The number of ticks during which the port <------><------>had data to transmit but no data was sent during the entire tick <------><------>(either because of insufficient credits or because of lack of <------><------>arbitration). <------><------>Each of these files contains the corresponding value from the <------><------>port's Performance Management PortCounters attribute, as <------><------>described in the InfiniBand Architecture Specification. What: /sys/class/infiniband/<device-name>/hw_counters/lifespan What: /sys/class/infiniband/<device-name>/ports/<port-num>/hw_counters/lifespan Date: May, 2016 KernelVersion: 4.6 Contact: linux-rdma@vger.kernel.org Description: <------><------>The optional "hw_counters" subdirectory can be under either the <------><------>parent device or the port subdirectories or both. If present, <------><------>there are a list of counters provided by the hardware. They may <------><------>match some of the counters in the counters directory, but they <------><------>often include many other counters. In addition to the various <------><------>counters, there will be a file named "lifespan" that configures <------><------>how frequently the core should update the counters when they are <------><------>being accessed (counters are not updated if they are not being <------><------>accessed). The lifespan is in milliseconds and defaults to 10 <------><------>unless set to something else by the driver. Users may echo a <------><------>value between 0-10000 to the lifespan file to set the length <------><------>of time between updates in milliseconds. What: /sys/class/infiniband/<hca>/ports/<port-number>/gid_attrs/ndevs/<gid-index> Date: November 29, 2015 KernelVersion: 4.4.0 Contact: linux-rdma@vger.kernel.org Description: The net-device's name associated with the GID resides <------><------>at index <gid-index>. What: /sys/class/infiniband/<hca>/ports/<port-number>/gid_attrs/types/<gid-index> Date: November 29, 2015 KernelVersion: 4.4.0 Contact: linux-rdma@vger.kernel.org Description: The RoCE type of the associated GID resides at index <gid-index>. <------><------>This could either be "IB/RoCE v1" for IB and RoCE v1 based GIDs <------><------>or "RoCE v2" for RoCE v2 based GIDs. What: /sys/class/infiniband_mad/umadN/ibdev What: /sys/class/infiniband_mad/umadN/port What: /sys/class/infiniband_mad/issmN/ibdev What: /sys/class/infiniband_mad/issmN/port Date: Apr, 2005 KernelVersion: v2.6.12 Contact: linux-rdma@vger.kernel.org Description: <------><------>Each port of each InfiniBand device has a "umad" device and an <------><------>"issm" device attached. For example, a two-port HCA will have <------><------>two umad devices and two issm devices, while a switch will have <------><------>one device of each type (for switch port 0). <------><------>======= ===================================== <------><------>ibdev: (RO) Show Infiniband (IB) device name <------><------>port: (RO) Display port number <------><------>======= ===================================== What: /sys/class/infiniband_mad/abi_version Date: Apr, 2005 KernelVersion: v2.6.12 Contact: linux-rdma@vger.kernel.org Description: <------><------>(RO) Value is incremented if any changes are made that break <------><------>userspace ABI compatibility of umad & issm devices. What: /sys/class/infiniband_verbs/uverbsN/ibdev What: /sys/class/infiniband_verbs/uverbsN/abi_version Date: Sept, 2005 KernelVersion: v2.6.14 Contact: linux-rdma@vger.kernel.org Description: <------><------>=============== =========================================== <------><------>ibdev: (RO) Display Infiniband (IB) device name <------><------>abi_version: (RO) Show ABI version of IB device specific <------><------><------><------>interfaces. <------><------>=============== =========================================== What: /sys/class/infiniband_verbs/abi_version Date: Sep, 2005 KernelVersion: v2.6.14 Contact: linux-rdma@vger.kernel.org Description: <------><------>(RO) Value is incremented if any changes are made that break <------><------>userspace ABI compatibility of uverbs devices. sysfs interface for Mellanox IB HCA low-level driver (mthca) ------------------------------------------------------------ What: /sys/class/infiniband/mthcaX/hw_rev What: /sys/class/infiniband/mthcaX/hca_type What: /sys/class/infiniband/mthcaX/board_id Date: Apr, 2005 KernelVersion: v2.6.12 Contact: linux-rdma@vger.kernel.org Description: <------><------>=============== ================================================ <------><------>hw_rev: (RO) Hardware revision number <------><------>hca_type: (RO) Host Channel Adapter type: MT23108, MT25208 <------><------><------><------>(MT23108 compat mode), MT25208 or MT25204 <------><------>board_id: (RO) Manufacturing board ID <------><------>=============== ================================================ sysfs interface for Mellanox ConnectX HCA IB driver (mlx4) ---------------------------------------------------------- What: /sys/class/infiniband/mlx4_X/hw_rev What: /sys/class/infiniband/mlx4_X/hca_type What: /sys/class/infiniband/mlx4_X/board_id Date: Sep, 2007 KernelVersion: v2.6.24 Contact: linux-rdma@vger.kernel.org Description: <------><------>=============== =============================== <------><------>hw_rev: (RO) Hardware revision number <------><------>hca_type: (RO) Host channel adapter type <------><------>board_id: (RO) Manufacturing board ID <------><------>=============== =============================== What: /sys/class/infiniband/mlx4_X/iov/ports/<port-num>/gids/<n> What: /sys/class/infiniband/mlx4_X/iov/ports/<port-num>/admin_guids/<n> What: /sys/class/infiniband/mlx4_X/iov/ports/<port-num>/pkeys/<n> What: /sys/class/infiniband/mlx4_X/iov/ports/<port-num>/mcgs/ What: /sys/class/infiniband/mlx4_X/iov/ports/<pci-slot-num>/ports/<m>/gid_idx/0 What: /sys/class/infiniband/mlx4_X/iov/ports/<pci-slot-num>/ports/<m>/pkey_idx/<n> Date: Aug, 2012 KernelVersion: v3.6.15 Contact: linux-rdma@vger.kernel.org Description: <------><------>The sysfs iov directory is used to manage and examine the port <------><------>P_Key and guid paravirtualization. This directory is added only <------><------>for the master -- slaves do not have it. <------><------>Under iov/ports, the administrator may examine the gid and P_Key <------><------>tables as they are present in the device (and as are seen in the <------><------>"network view" presented to the SM). <------><------>The "pkeys" and "gids" subdirectories contain one file for each <------><------>entry in the port's P_Key or GID table respectively. For <------><------>example, ports/1/pkeys/10 contains the value at index 10 in port <------><------>1's P_Key table. <------><------>======================= ========================================== <------><------>gids/<n>: (RO) The physical port gids n = 0..127 <------><------>admin_guids/<n>: (RW) Allows examining or changing the <------><------><------><------><------>administrative state of a given GUID <------><------><------><------><------>n = 0..127 <------><------>pkeys/<n>: (RO) Displays the contents of the physical <------><------><------><------><------>key table n = 0..126 <------><------>mcgs/: (RO) Muticast group table <------><------><m>/gid_idx/0: (RO) Display the GID mapping m = 1..2 <------><------><m>/pkey_idx/<n>: (RW) Writable except for RoCE pkeys. <------><------><------><------><------>m = 1..2, n = 0..126 <------><------><------><------><------>Under the iov/<pci slot number> <------><------><------><------><------>directories, the admin may map the index <------><------><------><------><------>numbers in the physical tables (as under <------><------><------><------><------>iov/ports) to the paravirtualized index <------><------><------><------><------>numbers that guests see. <------><------><------><------><------>For example, if the administrator, for <------><------><------><------><------>port 1 on guest 2 maps physical pkey <------><------><------><------><------>index 10 to virtual index 1, then that <------><------><------><------><------>guest, whenever it uses its pkey index <------><------><------><------><------>1, will actually be using the real pkey <------><------><------><------><------>index 10. <------><------>======================= ========================================== What: /sys/class/infiniband/mlx4_X/iov/<pci-slot-num>/ports/<m>/smi_enabled What: /sys/class/infiniband/mlx4_X/iov/<pci-slot-num>/ports/<m>/enable_smi_admin Date: May, 2014 KernelVersion: v3.15.7 Contact: linux-rdma@vger.kernel.org Description: <------><------>Enabling QP0 on VFs for selected VF/port. By default, no VFs are <------><------>enabled for QP0 operation. <------><------>================= ==== =========================================== <------><------>smi_enabled: (RO) Indicates whether smi is currently enabled <------><------><------><------> for the indicated VF/port <------><------>enable_smi_admin: (RW) Used by the admin to request that smi <------><------><------><------> capability be enabled or disabled for the <------><------><------><------> indicated VF/port. 0 = disable, 1 = enable. <------><------>================= ==== =========================================== <------><------>The requested enablement will occur at the next reset of the VF <------><------>(e.g. driver restart on the VM which owns the VF). sysfs interface for Chelsio T4/T5 RDMA driver (cxgb4) ----------------------------------------------------- What: /sys/class/infiniband/cxgb4_X/hw_rev What: /sys/class/infiniband/cxgb4_X/hca_type What: /sys/class/infiniband/cxgb4_X/board_id Date: Apr, 2010 KernelVersion: v2.6.35 Contact: linux-rdma@vger.kernel.org Description: <------><------>=============== ============================================= <------><------>hw_rev: (RO) Hardware revision number <------><------>hca_type: (RO) Driver short name. Should normally match <------><------><------><------>the name in its bus driver structure (e.g. <------><------><------><------>pci_driver::name) <------><------>board_id: (RO) Manufacturing board id. (Vendor + device <------><------><------><------>information) <------><------>=============== ============================================= sysfs interface for Intel IB driver qib --------------------------------------- What: /sys/class/infiniband/qibX/version What: /sys/class/infiniband/qibX/hw_rev What: /sys/class/infiniband/qibX/hca_type What: /sys/class/infiniband/qibX/board_id What: /sys/class/infiniband/qibX/boardversion What: /sys/class/infiniband/qibX/nctxts What: /sys/class/infiniband/qibX/localbus_info What: /sys/class/infiniband/qibX/tempsense What: /sys/class/infiniband/qibX/serial What: /sys/class/infiniband/qibX/nfreectxts What: /sys/class/infiniband/qibX/chip_reset Date: May, 2010 KernelVersion: v2.6.35 Contact: linux-rdma@vger.kernel.org Description: <------><------>=============== ====================================================== <------><------>version: (RO) Display version information of installed software <------><------><------><------>and drivers. <------><------>hw_rev: (RO) Hardware revision number <------><------>hca_type: (RO) Host channel adapter type <------><------>board_id: (RO) Manufacturing board id <------><------>boardversion: (RO) Current version of the chip architecture <------><------>nctxts: (RO) Return the number of user ports (contexts) <------><------><------><------>available <------><------>localbus_info: (RO) Human readable localbus info <------><------>tempsense: (RO) Display temp sense registers in decimal <------><------>serial: (RO) Serial number of the HCA <------><------>nfreectxts: (RO) The number of free user ports (contexts) <------><------><------><------>available. <------><------>chip_reset: (WO) Reset the chip if possible by writing <------><------><------><------>"reset" to this file. Only allowed if no user <------><------><------><------>contexts are open that use chip resources. <------><------>=============== ====================================================== What: /sys/class/infiniband/qibX/ports/N/sl2vl/[0-15] Date: May, 2010 KernelVersion: v2.6.35 Contact: linux-rdma@vger.kernel.org Description: <------><------>(RO) The directory contains 16 files numbered 0-15 that specify <------><------>the Service Level (SL). Listing the SL files returns the Virtual <------><------>Lane (VL) as programmed by the SL. What: /sys/class/infiniband/qibX/ports/N/CCMgtA/cc_settings_bin What: /sys/class/infiniband/qibX/ports/N/CCMgtA/cc_table_bin Date: May, 2010 KernelVersion: v2.6.35 Contact: linux-rdma@vger.kernel.org Description: <------><------>Per-port congestion control. Both are binary attributes. <------><------>=============== ================================================ <------><------>cc_table_bin (RO) Congestion control table size followed by <------><------><------><------>table entries. <------><------>cc_settings_bin (RO) Congestion settings: port control, control <------><------><------><------>map and an array of 16 entries for the <------><------><------><------>congestion entries - increase, timer, event log <------><------><------><------>trigger threshold and the minimum injection rate <------><------><------><------>delay. <------><------>=============== ================================================ What: /sys/class/infiniband/qibX/ports/N/linkstate/loopback What: /sys/class/infiniband/qibX/ports/N/linkstate/led_override What: /sys/class/infiniband/qibX/ports/N/linkstate/hrtbt_enable What: /sys/class/infiniband/qibX/ports/N/linkstate/status What: /sys/class/infiniband/qibX/ports/N/linkstate/status_str Date: May, 2010 KernelVersion: v2.6.35 Contact: linux-rdma@vger.kernel.org Description: <------><------>[to be documented] <------><------>=============== =============================================== <------><------>loopback: (WO) <------><------>led_override: (WO) <------><------>hrtbt_enable: (RW) <------><------>status: (RO) <------><------>status_str: (RO) Displays information about the link state, <------><------><------><------>possible cable/switch problems, and hardware <------><------><------><------>errors. Possible states are- "Initted", <------><------><------><------>"Present", "IB_link_up", "IB_configured" or <------><------><------><------>"Fatal_Hardware_Error". <------><------>=============== =============================================== What: /sys/class/infiniband/qibX/ports/N/diag_counters/rc_resends What: /sys/class/infiniband/qibX/ports/N/diag_counters/seq_naks What: /sys/class/infiniband/qibX/ports/N/diag_counters/rdma_seq What: /sys/class/infiniband/qibX/ports/N/diag_counters/rnr_naks What: /sys/class/infiniband/qibX/ports/N/diag_counters/other_naks What: /sys/class/infiniband/qibX/ports/N/diag_counters/rc_timeouts What: /sys/class/infiniband/qibX/ports/N/diag_counters/look_pkts What: /sys/class/infiniband/qibX/ports/N/diag_counters/pkt_drops What: /sys/class/infiniband/qibX/ports/N/diag_counters/dma_wait What: /sys/class/infiniband/qibX/ports/N/diag_counters/unaligned Date: May, 2010 KernelVersion: v2.6.35 Contact: linux-rdma@vger.kernel.org Description: <------><------>[to be documented] sysfs interface for Mellanox Connect-IB HCA driver mlx5 ------------------------------------------------------- What: /sys/class/infiniband/mlx5_X/hw_rev What: /sys/class/infiniband/mlx5_X/hca_type What: /sys/class/infiniband/mlx5_X/reg_pages What: /sys/class/infiniband/mlx5_X/fw_pages Date: Jul, 2013 KernelVersion: v3.11 Contact: linux-rdma@vger.kernel.org Description: <------><------>[to be documented] sysfs interface for Cisco VIC (usNIC) Verbs Driver -------------------------------------------------- What: /sys/class/infiniband/usnic_X/board_id What: /sys/class/infiniband/usnic_X/config What: /sys/class/infiniband/usnic_X/qp_per_vf What: /sys/class/infiniband/usnic_X/max_vf What: /sys/class/infiniband/usnic_X/cq_per_vf What: /sys/class/infiniband/usnic_X/iface Date: Sep, 2013 KernelVersion: v3.14 Contact: Christian Benvenuti <benve@cisco.com>, <------><------>Dave Goodell <dgoodell@cisco.com>, <------><------>linux-rdma@vger.kernel.org Description: <------><------>=============== =============================================== <------><------>board_id: (RO) Manufacturing board id <------><------>config: (RO) Report the configuration for this PF <------><------>qp_per_vf: (RO) Queue pairs per virtual function. <------><------>max_vf: (RO) Max virtual functions <------><------>cq_per_vf: (RO) Completion queue per virtual function <------><------>iface: (RO) Shows which network interface this usNIC <------><------><------><------>entry is associated to (visible with ifconfig). <------><------>=============== =============================================== What: /sys/class/infiniband/usnic_X/qpn/summary What: /sys/class/infiniband/usnic_X/qpn/context Date: Sep, 2013 KernelVersion: v3.14 Contact: Christian Benvenuti <benve@cisco.com>, <------><------>Dave Goodell <dgoodell@cisco.com>, <------><------>linux-rdma@vger.kernel.org Description: <------><------>[to be documented] sysfs interface for Emulex RoCE HCA Driver ------------------------------------------ What: /sys/class/infiniband/ocrdmaX/hw_rev Date: Feb, 2014 KernelVersion: v3.14 Description: <------><------>hw_rev: (RO) Hardware revision number What: /sys/class/infiniband/ocrdmaX/hca_type Date: Jun, 2014 KernelVersion: v3.16 Contact: linux-rdma@vger.kernel.org Description: <------><------>hca_type: (RO) Display FW version sysfs interface for Intel Omni-Path driver (HFI1) ------------------------------------------------- What: /sys/class/infiniband/hfi1_X/hw_rev What: /sys/class/infiniband/hfi1_X/board_id What: /sys/class/infiniband/hfi1_X/nctxts What: /sys/class/infiniband/hfi1_X/serial What: /sys/class/infiniband/hfi1_X/chip_reset What: /sys/class/infiniband/hfi1_X/boardversion What: /sys/class/infiniband/hfi1_X/nfreectxts What: /sys/class/infiniband/hfi1_X/tempsense Date: May, 2016 KernelVersion: v4.6 Contact: linux-rdma@vger.kernel.org Description: <------><------>=============== ============================================= <------><------>hw_rev: (RO) Hardware revision number <------><------>board_id: (RO) Manufacturing board id <------><------>nctxts: (RO) Total contexts available. <------><------>serial: (RO) Board serial number <------><------>chip_reset: (WO) Write "reset" to this file to reset the <------><------><------><------>chip if possible. Only allowed if no user <------><------><------><------>contexts are open that use chip resources. <------><------>boardversion: (RO) Human readable board info <------><------>nfreectxts: (RO) The number of free user ports (contexts) <------><------><------><------>available. <------><------>tempsense: (RO) Thermal sense information <------><------>=============== ============================================= What: /sys/class/infiniband/hfi1_X/ports/N/CCMgtA/cc_settings_bin What: /sys/class/infiniband/hfi1_X/ports/N/CCMgtA/cc_table_bin What: /sys/class/infiniband/hfi1_X/ports/N/CCMgtA/cc_prescan Date: May, 2016 KernelVersion: v4.6 Contact: linux-rdma@vger.kernel.org Description: <------><------>Per-port congestion control. <------><------>=============== ================================================ <------><------>cc_table_bin (RO) CCA tables used by PSM2 Congestion control <------><------><------><------>table size followed by table entries. Binary <------><------><------><------>attribute. <------><------>cc_settings_bin (RO) Congestion settings: port control, control <------><------><------><------>map and an array of 16 entries for the <------><------><------><------>congestion entries - increase, timer, event log <------><------><------><------>trigger threshold and the minimum injection rate <------><------><------><------>delay. Binary attribute. <------><------>cc_prescan (RW) enable prescanning for faster BECN <------><------><------><------>response. Write "on" to enable and "off" to <------><------><------><------>disable. <------><------>=============== ================================================ What: /sys/class/infiniband/hfi1_X/ports/N/sc2vl/[0-31] What: /sys/class/infiniband/hfi1_X/ports/N/sl2sc/[0-31] What: /sys/class/infiniband/hfi1_X/ports/N/vl2mtu/[0-15] Date: May, 2016 KernelVersion: v4.6 Contact: linux-rdma@vger.kernel.org Description: <------><------>=============== =================================================== <------><------>sc2vl/: (RO) 32 files (0 - 31) used to translate sl->vl <------><------>sl2sc/: (RO) 32 files (0 - 31) used to translate sl->sc <------><------>vl2mtu/: (RO) 16 files (0 - 15) used to determine MTU for vl <------><------>=============== =================================================== What: /sys/class/infiniband/hfi1_X/sdma_N/cpu_list What: /sys/class/infiniband/hfi1_X/sdma_N/vl Date: Sept, 2016 KernelVersion: v4.8 Contact: linux-rdma@vger.kernel.org Description: <------><------>sdma<N>/ contains one directory per sdma engine (0 - 15) <------><------>=============== ============================================== <------><------>cpu_list: (RW) List of cpus for user-process to sdma <------><------><------><------>engine assignment. <------><------>vl: (RO) Displays the virtual lane (vl) the sdma <------><------><------><------>engine maps to. <------><------>=============== ============================================== <------><------>This interface gives the user control on the affinity settings <------><------>for the device. As an example, to set an sdma engine irq <------><------>affinity and thread affinity of a user processes to use the <------><------>sdma engine, which is "near" in terms of NUMA configuration, or <------><------>physical cpu location, the user will do:: <------><------> echo "3" > /proc/irq/<N>/smp_affinity_list <------><------> echo "4-7" > /sys/devices/.../sdma3/cpu_list <------><------> cat /sys/devices/.../sdma3/vl <------><------> 0 <------><------> echo "8" > /proc/irq/<M>/smp_affinity_list <------><------> echo "9-12" > /sys/devices/.../sdma4/cpu_list <------><------> cat /sys/devices/.../sdma4/vl <------><------> 1 <------><------>to make sure that when a process runs on cpus 4,5,6, or 7, and <------><------>uses vl=0, then sdma engine 3 is selected by the driver, and <------><------>also the interrupt of the sdma engine 3 is steered to cpu 3. <------><------>Similarly, when a process runs on cpus 9,10,11, or 12 and sets <------><------>vl=1, then engine 4 will be selected and the irq of the sdma <------><------>engine 4 is steered to cpu 8. This assumes that in the above N <------><------>is the irq number of "sdma3", and M is irq number of "sdma4" in <------><------>the /proc/interrupts file. sysfs interface for Intel(R) X722 iWARP i40iw driver ---------------------------------------------------- What: /sys/class/infiniband/i40iwX/hw_rev What: /sys/class/infiniband/i40iwX/hca_type What: /sys/class/infiniband/i40iwX/board_id Date: Jan, 2016 KernelVersion: v4.10 Contact: linux-rdma@vger.kernel.org Description: <------><------>=============== ==== ======================== <------><------>hw_rev: (RO) Hardware revision number <------><------>hca_type: (RO) Show HCA type (I40IW) <------><------>board_id: (RO) I40IW board ID <------><------>=============== ==== ======================== sysfs interface for QLogic qedr NIC Driver ------------------------------------------ What: /sys/class/infiniband/qedrX/hw_rev What: /sys/class/infiniband/qedrX/hca_type Date: Oct, 2016 KernelVersion: v4.10 Contact: linux-rdma@vger.kernel.org Description: <------><------>=============== ==== ======================== <------><------>hw_rev: (RO) Hardware revision number <------><------>hca_type: (RO) Display HCA type <------><------>=============== ==== ======================== sysfs interface for VMware Paravirtual RDMA driver -------------------------------------------------- What: /sys/class/infiniband/vmw_pvrdmaX/hw_rev What: /sys/class/infiniband/vmw_pvrdmaX/hca_type What: /sys/class/infiniband/vmw_pvrdmaX/board_id Date: Oct, 2016 KernelVersion: v4.10 Contact: linux-rdma@vger.kernel.org Description: <------><------>=============== ==== ===================================== <------><------>hw_rev: (RO) Hardware revision number <------><------>hca_type: (RO) Host channel adapter type <------><------>board_id: (RO) Display PVRDMA manufacturing board ID <------><------>=============== ==== ===================================== sysfs interface for Broadcom NetXtreme-E RoCE driver ---------------------------------------------------- What: /sys/class/infiniband/bnxt_reX/hw_rev What: /sys/class/infiniband/bnxt_reX/hca_type Date: Feb, 2017 KernelVersion: v4.11 Contact: linux-rdma@vger.kernel.org Description: <------><------>=============== ==== ========================= <------><------>hw_rev: (RO) Hardware revision number <------><------>hca_type: (RO) Host channel adapter type <------><------>=============== ==== =========================
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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