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dkim=none (message not signed) header.d=none;dmarc=pass action=none header.from=nvidia.com; Received-SPF: Pass (protection.outlook.com: domain of nvidia.com designates 216.228.117.160 as permitted sender) receiver=protection.outlook.com; client-ip=216.228.117.160; helo=mail.nvidia.com; pr=C Received: from mail.nvidia.com (216.228.117.160) by DS3PEPF000099D8.mail.protection.outlook.com (10.167.17.9) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9320.13 via Frontend Transport; Fri, 14 Nov 2025 23:31:14 +0000 Received: from rnnvmail201.nvidia.com (10.129.68.8) by mail.nvidia.com (10.129.200.66) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.20; Fri, 14 Nov 2025 15:30:56 -0800 Received: from ttabi.nvidia.com (10.126.230.35) by rnnvmail201.nvidia.com (10.129.68.8) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.20; Fri, 14 Nov 2025 15:30:55 -0800 From: Timur Tabi To: Danilo Krummrich , Lyude Paul , Alexandre Courbot , John Hubbard , , , "Joel Fernandes" Subject: [PATCH 03/11] gpu: nova-core: support header parsing on Turing/GA100 Date: Fri, 14 Nov 2025 17:30:36 -0600 Message-ID: <20251114233045.2512853-4-ttabi@nvidia.com> X-Mailer: git-send-email 2.51.2 In-Reply-To: <20251114233045.2512853-1-ttabi@nvidia.com> References: <20251114233045.2512853-1-ttabi@nvidia.com> Precedence: bulk X-Mailing-List: rust-for-linux@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-NVConfidentiality: public Content-Transfer-Encoding: 8bit Content-Type: text/plain X-ClientProxiedBy: rnnvmail202.nvidia.com (10.129.68.7) To rnnvmail201.nvidia.com (10.129.68.8) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DS3PEPF000099D8:EE_|MN0PR12MB5740:EE_ X-MS-Office365-Filtering-Correlation-Id: a590382b-81a6-4114-fb93-08de23d5e6e7 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|36860700013|82310400026|1800799024; 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X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 14 Nov 2025 23:31:14.0698 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: a590382b-81a6-4114-fb93-08de23d5e6e7 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.117.160];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: DS3PEPF000099D8.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: MN0PR12MB5740 The Turing/GA100 version of Booter is slightly different from the GA102+ version. The headers are the same, but different fields of the headers are used to identify the IMEM section. In addition, there is an NMEM section on Turing/GA100. Signed-off-by: Timur Tabi --- drivers/gpu/nova-core/firmware/booter.rs | 40 +++++++++++++++++++----- 1 file changed, 33 insertions(+), 7 deletions(-) diff --git a/drivers/gpu/nova-core/firmware/booter.rs b/drivers/gpu/nova-core/firmware/booter.rs index 1b98bb47424c..6ac9593504db 100644 --- a/drivers/gpu/nova-core/firmware/booter.rs +++ b/drivers/gpu/nova-core/firmware/booter.rs @@ -356,14 +356,34 @@ pub(crate) fn new( } }; + // There are two versions of Booter, one for Turing/GA100, and another for + // GA102+. The extraction of the IMEM sections differs between the two + // versions. Unfortunately, the file names are the same, and the headers + // don't indicate the versions. The only way to differentiate is by the Chipset. + Ok(Self { - imem_sec_load_target: FalconLoadTarget { - src_start: app0.offset, - dst_start: 0, - len: app0.len, + imem_sec_load_target: if chipset > Chipset::GA100 { + FalconLoadTarget { + src_start: app0.offset, + dst_start: 0, + len: app0.len, + } + } else { + FalconLoadTarget { + src_start: load_hdr.os_code_size, + dst_start: app0.offset, + len: app0.len, + } + }, + imem_ns_load_target: if chipset > Chipset::GA100 { + None + } else { + Some(FalconLoadTarget { + src_start: 0, + dst_start: load_hdr.os_code_offset, + len: load_hdr.os_code_size, + }) }, - // Exists only in the booter image for Turing and GA100 - imem_ns_load_target: None, dmem_load_target: FalconLoadTarget { src_start: load_hdr.os_data_offset, dst_start: 0, @@ -393,7 +413,13 @@ fn brom_params(&self) -> FalconBromParams { } fn boot_addr(&self) -> u32 { - self.imem_sec_load_target.src_start + if let Some(ns_target) = &self.imem_ns_load_target { + // Turing and GA100 - use non-secure load target + ns_target.dst_start + } else { + // GA102+ (Ampere) - use secure load target + self.imem_sec_load_target.src_start + } } } -- 2.51.2