platform/mellanox: mlxbf-pmc: Add support for BlueField-3
authorShravan Kumar Ramani <shravankr@nvidia.com>
Tue, 5 Sep 2023 12:49:34 +0000 (08:49 -0400)
committerHans de Goede <hdegoede@redhat.com>
Wed, 13 Sep 2023 11:42:29 +0000 (13:42 +0200)
commit423c3361855c1e81f1cb91728a2ac5ddfd2cbf16
tree2a15168a858fee13d4cf4689ddf4967230bae8cb
parent2c97d3e55b70edf33b6e7f211bab8a748a0a2bcc
platform/mellanox: mlxbf-pmc: Add support for BlueField-3

Add new access mechanism and list of supported events to program
and read the counters in BlueField-3.
Performance counter blocks being added for BlueField-3 include:
  - Memory Sub-system (mss) which has counters for monitoring
various DRAM and related skylib events
  - Last level Tile, which has 2 sets of counters (llt, llt_miss)
for monitoring Tile and cache metrics

Signed-off-by: Shravan Kumar Ramani <shravankr@nvidia.com>
Reviewed-by: Vadim Pasternak <vadimp@nvidia.com>
Reviewed-by: David Thompson <davthompson@nvidia.com>
Link: https://lore.kernel.org/r/d5feee745f6bfd163e0c361e300d4b2ef1d72e00.1693917738.git.shravankr@nvidia.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
drivers/platform/mellanox/mlxbf-pmc.c