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