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Refactor HW statistics which,
- Unifies HW statistics support for all HW generations.
- Unifies support of 32- and 64-bit counters.
- Removes duplicated code and simplifies implementation.
- Fixes roll-over handling.
- Removes unneeded last_hw_stats.
With new implementation, there is no separate handling and no separate
arrays for 32- and 64-bit counters (offsets, regs, values). Instead,
there is a HW stats map array for each HW revision, which defines
HW-specific width and location of each counter in the statistics buffer.
Once the statistics are gathered (either via CQP op, or by reading HW
registers), counter values are extracted from the statistics buffer using
the stats map and the delta between the last and new values is computed.
Finally, the counter values in rdma_hw_stats are incremented by those
deltas.
From the OS perspective, all the counters are 64-bit and their order in
rdma_hw_stats->value[] array, as well as in irdma_hw_stat_names[], is the
same for all HW gens. New statistics should always be added at the end.
Signed-off-by: Krzysztof Czurylo <krzysztof.czurylo@intel.com>
Signed-off-by: Youvaraj Sagar <youvaraj.sagar@intel.com>
Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com>
Link: https://lore.kernel.org/r/20230315145305.955-2-shiraz.saleem@intel.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
A number of asynchronous event (AE) ids were not aligned to the
correct flush_code and event_type. Fix these up so that the
correct IBV error and event codes are returned to application.
Also, add handling for new AE ids like IRDMA_AE_INVALID_REQUEST to
return the correct WC error code.
Fixes: 44d9e52977a1 ("RDMA/irdma: Implement device initialization definitions")
Signed-off-by: Sindhu-Devale <sindhu.devale@intel.com>
Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com>
Link: https://lore.kernel.org/r/20220907191324.1173-2-shiraz.saleem@intel.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Replace use of custom irdma_status_code with linux error codes.
Remove enum irdma_status_code and header in which its defined.
Link: https://lore.kernel.org/r/20220217151851.1518-2-shiraz.saleem@intel.com
Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
The driver posts privileged commands to the HW
Admin Queue (Control QP or CQP) to request administrative
actions from the HW. Implement create/destroy of CQP
and the supporting functions, data structures and headers
to handle the different CQP commands
Link: https://lore.kernel.org/r/20210602205138.889-4-shiraz.saleem@intel.com
Signed-off-by: Mustafa Ismail <mustafa.ismail@intel.com>
Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
