linux/Documentation/ABI/testing/sysfs-class-rtrs-server

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What: /sys/class/rtrs-server
Date: Feb 2020
KernelVersion: 5.7
Contact: Jack Wang <jinpu.wang@cloud.ionos.com> Danil Kipnis <danil.kipnis@cloud.ionos.com>
Description: When a user of RTRS API creates a new session on a client side, a
directory entry with the name of that session is created in here.
What: /sys/class/rtrs-server/<session-name>/paths/
Date: Feb 2020
KernelVersion: 5.7
Contact: Jack Wang <jinpu.wang@cloud.ionos.com> Danil Kipnis <danil.kipnis@cloud.ionos.com>
Description: When new path is created by writing to "add_path" entry on client side,
a directory entry named as <source address>@<destination address> is created
on server.
What: /sys/class/rtrs-server/<session-name>/paths/<src@dst>/disconnect
Date: Feb 2020
KernelVersion: 5.7
Contact: Jack Wang <jinpu.wang@cloud.ionos.com> Danil Kipnis <danil.kipnis@cloud.ionos.com>
Description: When "1" is written to the file, the RTRS session is being disconnected.
Operations is non-blocking and returns control immediately to the caller.
What: /sys/class/rtrs-server/<session-name>/paths/<src@dst>/hca_name
Date: Feb 2020
KernelVersion: 5.7
Contact: Jack Wang <jinpu.wang@cloud.ionos.com> Danil Kipnis <danil.kipnis@cloud.ionos.com>
Description: RO, Contains the the name of HCA the connection established on.
What: /sys/class/rtrs-server/<session-name>/paths/<src@dst>/hca_port
Date: Feb 2020
KernelVersion: 5.7
Contact: Jack Wang <jinpu.wang@cloud.ionos.com> Danil Kipnis <danil.kipnis@cloud.ionos.com>
Description: RO, Contains the port number of active port traffic is going through.
What: /sys/class/rtrs-server/<session-name>/paths/<src@dst>/src_addr
Date: Feb 2020
KernelVersion: 5.7
Contact: Jack Wang <jinpu.wang@cloud.ionos.com> Danil Kipnis <danil.kipnis@cloud.ionos.com>
Description: RO, Contains the source address of the path
What: /sys/class/rtrs-server/<session-name>/paths/<src@dst>/dst_addr
Date: Feb 2020
KernelVersion: 5.7
Contact: Jack Wang <jinpu.wang@cloud.ionos.com> Danil Kipnis <danil.kipnis@cloud.ionos.com>
Description: RO, Contains the destination address of the path
What: /sys/class/rtrs-server/<session-name>/paths/<src@dst>/stats/rdma
Date: Feb 2020
KernelVersion: 5.7
Contact: Jack Wang <jinpu.wang@cloud.ionos.com> Danil Kipnis <danil.kipnis@cloud.ionos.com>
Description: Contains statistics regarding rdma operations and inflight operations.
The output consists of 5 values:
<read-count> <read-total-size> <write-count> <write-total-size> <inflights>