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habanalabs/gaudi2: capture RAZWI information

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Added function to calculate possible engines which caused
RAZWI (read-only zero, write ignored), from a given router id or
module index.

When getting RAZWI via PSOC IP, first the router id is calculated
and then the possible engines that caused the RAZWI are calculated.

There is a possibility that the RAZWI initiator is not an engine. In
that case, it will not be included in possible engines as it
doesn't have an engine id.

RAZWI information is captured when receiving event from engine or via
PSOC IP.

Signed-off-by: Dani Liberman <dliberman@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
This commit is contained in:
Dani Liberman
2022-09-28 22:14:55 +03:00
committed by Oded Gabbay
parent 17f3f42af2
commit 15ac503cdc
2 changed files with 242 additions and 17 deletions
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include/uapi/misc/habanalabs.h
+4
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@@ -597,6 +597,10 @@ enum gaudi2_engine_id {
GAUDI2_ENGINE_ID_NIC10_1,
GAUDI2_ENGINE_ID_NIC11_0,
GAUDI2_ENGINE_ID_NIC11_1,
GAUDI2_ENGINE_ID_PCIE,
GAUDI2_ENGINE_ID_PSOC,
GAUDI2_ENGINE_ID_ARC_FARM,
GAUDI2_ENGINE_ID_KDMA,
GAUDI2_ENGINE_ID_SIZE
};