| 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/umad<N>/ibdev |
| What: /sys/class/infiniband_mad/umad<N>/port |
| What: /sys/class/infiniband_mad/issm<N>/ibdev |
| What: /sys/class/infiniband_mad/issm<N>/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/uverbs<N>/ibdev |
| What: /sys/class/infiniband_verbs/uverbs<N>/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 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 |
| =============== ==== ========================= |
