Re: [PATCH v7 00/12] gpu: nova-core: add Turing support

[Joel Fernandes <joelagnelf@nvidia.com>]

On 1/21/2026 6:52 PM, Timur Tabi wrote:
> Note: This patchset requires "[PATCH v3 2/7] rust: io: always inline
> functions using build_assert with arguments" in order to compile
> with CLIPPY.
> 
> Note 2: This patch set does not include the upcoming refactor for
> handling the Generic Bootloader.
> 
> This patch set adds basic support for pre-booting GSP-RM
> on Turing.
> 
> There is also partial support for GA100, but it's currently not
> fully implemented.  GA100 is considered experimental in Nouveau,
> and so it hasn't been tested with NovaCore either.
> 
> The latest linux-firmware.git is required because it contains the
> Generic Bootloader image that has not yet been propogated to
> distros.
> 
> Summary of changes:
> 
> 1. Introduce non-secure IMEM support.  For GA102 and later, only secure IMEM
> is used.
> 2. Because of non-secure IMEM, Turing booter firmware images need some of
> the headers parsed differently for stuff like the load target address.
> 3. Add support the tu10x firmware signature section in the ELF image.
> 4. Add several new registers used only on Turing.
> 5. Some functions that were considered generic Falcon operations are
> actually different on Turing vs GA102+, so they are moved to the HAL.
> 6. The FRTS FWSEC firmware in VBIOS uses a different version of the
> descriptor header.
> 7. On Turing/GA100 LIBOS args struct needs to have its 'size' field
> aligned to 4KB.  So pad the struct to make it 4K.
> 8. Turing Falcons do not support DMA, so PIO is used to copy images
> into IMEM/DMEM.
> 9. Load the Generic Bootloader from disk and use it to boot FWSEC on
> Turing and GA100.
> 
> Changes from v6:
> 1. Miscellaneous refactoring to FalconUCodeDescV2 code, based on review
>    feedback, to make the code more consistent.
> 2. Added NV_PFALCON_FALCON_ENGINE::reset_engine()
> 3. Removed `port` parameter from pio_wr_bytes and just hard-coded it to 0.
> 4. Removed supports_dma patch
> 5. Renamed pr_wr_bytes to pr_wr_slice
> 6. Simplified NV_PFALCON_FALCON_DMEMD loop
> 7. Misc minor code improvements based on review feedback.
> 
> Alexandre Courbot (1):
>   gpu: nova-core: align LibosMemoryRegionInitArgument size to page size
> 
> Timur Tabi (11):
>   gpu: nova-core: rename Imem to ImemSecure
>   gpu: nova-core: add ImemNonSecure section infrastructure
>   gpu: nova-core: support header parsing on Turing/GA100
>   gpu: nova-core: add support for Turing/GA100 fwsignature
>   gpu: nova-core: add NV_PFALCON_FALCON_DMATRFCMD::with_falcon_mem()
>   gpu: nova-core: move some functions into the HAL
>   gpu: nova-core: Add basic Turing HAL
>   gpu: nova-core: add NV_PFALCON_FALCON_ENGINE::reset_engine()
>   gpu: nova-core: add Falcon HAL method load_method()
>   gpu: nova-core: add FalconUCodeDescV2 support
>   gpu: nova-core: add PIO support for loading firmware images
> 
>  drivers/gpu/nova-core/falcon.rs           |  252 ++++-
>  drivers/gpu/nova-core/falcon/hal.rs       |   26 +
>  drivers/gpu/nova-core/falcon/hal/ga102.rs |   39 +
>  drivers/gpu/nova-core/falcon/hal/tu102.rs |   77 ++
>  drivers/gpu/nova-core/firmware.rs         |  203 +++-
>  drivers/gpu/nova-core/firmware/booter.rs  |   43 +-
>  drivers/gpu/nova-core/firmware/fwsec.rs   |  178 +++-
>  drivers/gpu/nova-core/firmware/gsp.rs     |    6 +-
>  drivers/gpu/nova-core/gsp.rs              |    8 +-
>  drivers/gpu/nova-core/gsp/boot.rs         |    6 +-
>  drivers/gpu/nova-core/gsp/fw.rs           |   14 +-
>  drivers/gpu/nova-core/regs.rs             |   72 +-
>  drivers/gpu/nova-core/vbios.rs            |   64 +-
>  drivers/gpu/nova-core/vbios.rs.orig       | 1105 +++++++++++++++++++++
Extra file? :)

--
Joel Fernandes