gpu: nova-core: Hopper/Blackwell: add FSP message infrastructure

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FSP communication uses a pair of non-circular queues in the FSP
falcon's EMEM, one for messages from the driver to FSP and one for
replies, with the driver polling for response data. Add the queue
registers and the low-level helpers used by the higher-level FSP
message layer.

Signed-off-by: John Hubbard <jhubbard@nvidia.com>
Reviewed-by: Eliot Courtney <ecourtney@nvidia.com>
Link: https://patch.msgid.link/20260603-b4-blackwell-v13-2-d9f3a06939e0@nvidia.com
[acourbot: align register fields names with OpenRM.]
[acourbot: represent registers as arrays of 8 instances, as per OpenRM.]
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>

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John Hubbard 2026-06-03 16:30:19 +09:00 • committed by Alexandre Courbot

parent 6d6c3189f9

commit ab42c32347

2 changed files with 99 additions and 3 deletions

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81

drivers/gpu/nova-core/falcon/fsp.rs

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21

drivers/gpu/nova-core/regs.rs

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