From: "Alexandre Courbot" <acourbot@nvidia.com>
To: "Timur Tabi" <ttabi@nvidia.com>
Cc: Gary Guo <gary@garyguo.net>, Danilo Krummrich <dakr@kernel.org>,
Joel Fernandes <joelagnelf@nvidia.com>,
rust-for-linux@vger.kernel.org, nouveau@lists.freedesktop.org
Subject: Re: [PATCH v8 09/13] gpu: nova-core: add Falcon HAL method load_method()
Date: Sat, 24 Jan 2026 11:26:51 +0900 [thread overview]
Message-ID: <DFWGPVUB7Q7O.XCM4MOK1SK2T@nvidia.com> (raw)
In-Reply-To: <20260122222848.2555890-10-ttabi@nvidia.com>
On Fri Jan 23, 2026 at 7:28 AM JST, Timur Tabi wrote:
> Some GPUs do not support using DMA to transfer code/data from system
> memory to Falcon memory, and instead must use programmed I/O (PIO).
> Add a function to the Falcon HAL to indicate whether a given GPU's
> Falcons support DMA for this purpose.
>
> Signed-off-by: Timur Tabi <ttabi@nvidia.com>
rustc 1.78 didn't like the unused items, so I have picked a small chunk
of code from patch 12 to exercise the HAL.
Also made `load_dma` private as I've seen this hasn't been addressed.
WARNING: multiple messages have this Message-ID (diff)
From: "Alexandre Courbot" <acourbot@nvidia.com>
To: "Timur Tabi" <ttabi@nvidia.com>
Cc: "Gary Guo" <gary@garyguo.net>,
"Danilo Krummrich" <dakr@kernel.org>,
"John Hubbard" <jhubbard@nvidia.com>,
"Joel Fernandes" <joelagnelf@nvidia.com>,
<rust-for-linux@vger.kernel.org>, <nouveau@lists.freedesktop.org>
Subject: Re: [PATCH v8 09/13] gpu: nova-core: add Falcon HAL method load_method()
Date: Sat, 24 Jan 2026 11:26:51 +0900 [thread overview]
Message-ID: <DFWGPVUB7Q7O.XCM4MOK1SK2T@nvidia.com> (raw)
In-Reply-To: <20260122222848.2555890-10-ttabi@nvidia.com>
On Fri Jan 23, 2026 at 7:28 AM JST, Timur Tabi wrote:
> Some GPUs do not support using DMA to transfer code/data from system
> memory to Falcon memory, and instead must use programmed I/O (PIO).
> Add a function to the Falcon HAL to indicate whether a given GPU's
> Falcons support DMA for this purpose.
>
> Signed-off-by: Timur Tabi <ttabi@nvidia.com>
rustc 1.78 didn't like the unused items, so I have picked a small chunk
of code from patch 12 to exercise the HAL.
Also made `load_dma` private as I've seen this hasn't been addressed.
next prev parent reply other threads:[~2026-01-24 2:27 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-01-22 22:28 [PATCH v8 00/13] gpu: nova-core: add Turing support Timur Tabi
2026-01-22 22:28 ` [PATCH v8 01/13] gpu: nova-core: rename Imem to ImemSecure Timur Tabi
2026-01-22 22:28 ` [PATCH v8 02/13] gpu: nova-core: add ImemNonSecure section infrastructure Timur Tabi
2026-01-23 18:07 ` Gary Guo
2026-01-23 23:02 ` Alexandre Courbot
2026-01-23 23:02 ` Alexandre Courbot
2026-01-22 22:28 ` [PATCH v8 03/13] gpu: nova-core: support header parsing on Turing/GA100 Timur Tabi
2026-01-22 22:28 ` [PATCH v8 04/13] gpu: nova-core: add support for Turing/GA100 fwsignature Timur Tabi
2026-01-22 22:28 ` [PATCH v8 05/13] gpu: nova-core: add NV_PFALCON_FALCON_DMATRFCMD::with_falcon_mem() Timur Tabi
2026-01-22 22:28 ` [PATCH v8 06/13] gpu: nova-core: move some functions into the HAL Timur Tabi
2026-01-22 22:28 ` [PATCH v8 07/13] gpu: nova-core: Add basic Turing HAL Timur Tabi
2026-01-22 22:28 ` [PATCH v8 08/13] gpu: nova-core: add NV_PFALCON_FALCON_ENGINE::reset_engine() Timur Tabi
2026-01-22 22:28 ` [PATCH v8 09/13] gpu: nova-core: add Falcon HAL method load_method() Timur Tabi
2026-01-24 2:26 ` Alexandre Courbot [this message]
2026-01-24 2:26 ` Alexandre Courbot
2026-01-24 4:56 ` Timur Tabi
2026-01-24 4:56 ` Timur Tabi
2026-01-24 11:56 ` Miguel Ojeda
2026-01-24 11:56 ` Miguel Ojeda
2026-01-24 12:04 ` Danilo Krummrich
2026-01-24 12:04 ` Danilo Krummrich
2026-01-24 12:40 ` Alexandre Courbot
2026-01-22 22:28 ` [PATCH v8 10/13] gpu: nova-core: add FalconUCodeDescV2 support Timur Tabi
2026-01-22 22:28 ` [PATCH v8 11/13] gpu: nova-core: align LibosMemoryRegionInitArgument size to page size Timur Tabi
2026-01-23 18:14 ` Gary Guo
2026-01-23 18:41 ` Timur Tabi
2026-01-23 20:15 ` John Hubbard
2026-01-23 22:54 ` Alexandre Courbot
2026-01-23 22:54 ` Alexandre Courbot
2026-01-22 22:28 ` [PATCH v8 12/13] gpu: nova-core: add PIO support for loading firmware images Timur Tabi
2026-01-22 22:28 ` [PATCH v8 13/13] gpu: nova-core: use the Generic Bootloader to boot FWSEC Timur Tabi
2026-01-23 12:20 ` [PATCH v8 00/13] gpu: nova-core: add Turing support Danilo Krummrich
2026-01-23 12:20 ` Danilo Krummrich
2026-01-24 2:27 ` Alexandre Courbot
2026-01-24 2:27 ` Alexandre Courbot
2026-01-23 18:36 ` Gary Guo
2026-01-23 23:01 ` Alexandre Courbot
2026-01-23 23:01 ` Alexandre Courbot
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