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man/fi_cxi: Update documentation
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Signed-off-by: Ian Ziemba <[email protected]>
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iziemba committed Oct 17, 2024
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16 changes: 11 additions & 5 deletions man/fi_cxi.7.md
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Expand Up @@ -1294,6 +1294,13 @@ The CXI provider checks for the following environment variables:
: Enable enforcement of triggered operation limit. Doing this can prevent
fi_control(FI_QUEUE_WORK) deadlocking at the cost of performance.

*FI_CXI_MR_CACHE_EVENTS_DISABLE_POLL_NSECS*
: Max amount of time to poll when disabling an MR configured with MR match events.

*FI_CXI_MR_CACHE_EVENTS_DISABLE_LE_POLL_NSECS*
: Max amount of time to poll when LE invalidate disabling an MR configured with MR
match events.

Note: Use the fi_info utility to query provider environment variables:
<code>fi_info -p cxi -e</code>

Expand Down Expand Up @@ -1373,10 +1380,9 @@ struct fi_cxi_dom_ops {
};
```

*cntr_read* extension is used to read hardware counter values. Valid values
of the cntr argument are found in the Cassini-specific header file
cassini_cntr_defs.h. Note that Counter accesses by applications may be
rate-limited to 1HZ.
*cntr_read* extension is used to read Cassini Telemetry items that consists of
counters and gauges. The items available and their content are dependent upon
the Cassini ASIC version and Cassini Driver version.

*topology* extension is used to return CXI NIC address topology information
for the domain. Currently only a dragonfly fabric topology is reported.
Expand Down Expand Up @@ -1578,7 +1584,7 @@ To enable PCIe fetch add for libfabric, the following CXI driver kernel module
parameter must be set to non-zero.

```
/sys/module/cxi_core/parameters/amo_remap_to_pcie_fadd
/sys/module/cxi_ss1/parameters/amo_remap_to_pcie_fadd
```

The following are the possible values for this kernel module and the impact of
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