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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 12.22.5.238 as permitted sender) receiver=protection.outlook.com; client-ip=12.22.5.238; helo=mail.nvidia.com; Received: from mail.nvidia.com (12.22.5.238) by BN8NAM11FT056.mail.protection.outlook.com (10.13.177.26) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.20.5017.22 via Frontend Transport; Tue, 1 Mar 2022 10:58:18 +0000 Received: from rnnvmail201.nvidia.com (10.129.68.8) by DRHQMAIL105.nvidia.com (10.27.9.14) with Microsoft SMTP Server (TLS) id 15.0.1497.18; Tue, 1 Mar 2022 10:58:17 +0000 Received: from nvidia.com (10.126.231.35) 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 15.2.986.9; Tue, 1 Mar 2022 02:58:16 -0800 From: To: CC: Elena Agostini Subject: [PATCH v1 1/2] gpudev: add GPU page_size to info Date: Tue, 1 Mar 2022 19:05:54 +0000 Message-ID: <20220301190555.20012-1-eagostini@nvidia.com> X-Mailer: git-send-email 2.17.1 MIME-Version: 1.0 X-Originating-IP: [10.126.231.35] X-ClientProxiedBy: rnnvmail201.nvidia.com (10.129.68.8) To rnnvmail201.nvidia.com (10.129.68.8) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 7e052ef4-76cf-49df-a946-08d9fb7264d9 X-MS-TrafficTypeDiagnostic: MN2PR12MB4581:EE_ X-Microsoft-Antispam-PRVS: X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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DIR:OUT; SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 01 Mar 2022 10:58:18.4590 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 7e052ef4-76cf-49df-a946-08d9fb7264d9 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a; Ip=[12.22.5.238]; Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: BN8NAM11FT056.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: MN2PR12MB4581 X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org From: Elena Agostini Page alignment on the GPU can be different from the CPU page alignment. Signed-off-by: Elena Agostini --- drivers/gpu/cuda/cuda.c | 4 ++++ lib/gpudev/rte_gpudev.h | 2 ++ 2 files changed, 6 insertions(+) diff --git a/drivers/gpu/cuda/cuda.c b/drivers/gpu/cuda/cuda.c index efb5d146f6..2f8c4684ce 100644 --- a/drivers/gpu/cuda/cuda.c +++ b/drivers/gpu/cuda/cuda.c @@ -523,6 +523,8 @@ cuda_dev_info_get(struct rte_gpu *dev, struct rte_gpu_info *info) } dev->mpshared->info.total_memory = parent_info.total_memory; + dev->mpshared->info.page_size = parent_info.page_size; + /* * GPU Device private info */ @@ -1173,6 +1175,8 @@ cuda_gpu_probe(__rte_unused struct rte_pci_driver *pci_drv, struct rte_pci_devic return -rte_errno; } + dev->mpshared->info.page_size = (size_t)GPU_PAGE_SIZE; + /* * GPU Device private info */ diff --git a/lib/gpudev/rte_gpudev.h b/lib/gpudev/rte_gpudev.h index 7e2401a4b7..971aeacfff 100644 --- a/lib/gpudev/rte_gpudev.h +++ b/lib/gpudev/rte_gpudev.h @@ -61,6 +61,8 @@ struct rte_gpu_info { size_t total_memory; /* Local NUMA memory ID. -1 if unknown. */ int16_t numa_node; + /* Get GPU memory page size. */ + size_t page_size; }; /** Flags passed in notification callback. */ From patchwork Tue Mar 1 19:05:55 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Elena Agostini X-Patchwork-Id: 108427 X-Patchwork-Delegate: thomas@monjalon.net Return-Path: X-Original-To: patchwork@inbox.dpdk.org Delivered-To: patchwork@inbox.dpdk.org Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 7571FA0352; Tue, 1 Mar 2022 11:58:22 +0100 (CET) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 63F0E40DF6; Tue, 1 Mar 2022 11:58:22 +0100 (CET) Received: from NAM10-DM6-obe.outbound.protection.outlook.com (mail-dm6nam10on2070.outbound.protection.outlook.com [40.107.93.70]) by mails.dpdk.org (Postfix) with ESMTP id EDB7D407FF for ; Tue, 1 Mar 2022 11:58:20 +0100 (CET) ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; 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DIR:OUT; SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 01 Mar 2022 10:58:19.0215 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 833477f5-3fef-48c2-7cee-08d9fb72652f X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a; Ip=[12.22.5.238]; Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: BN8NAM11FT056.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BN6PR12MB1826 X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org From: Elena Agostini Memory allocated for CPU mapping the status flag in the communication list should be aligned to the GPU page size. Signed-off-by: Elena Agostini --- lib/gpudev/gpudev.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/lib/gpudev/gpudev.c b/lib/gpudev/gpudev.c index fb1bee344c..56033f4a5f 100644 --- a/lib/gpudev/gpudev.c +++ b/lib/gpudev/gpudev.c @@ -820,6 +820,7 @@ rte_gpu_comm_create_list(uint16_t dev_id, uint32_t idx_l; int ret; struct rte_gpu *dev; + struct rte_gpu_info info; if (num_comm_items == 0) { rte_errno = EINVAL; @@ -833,6 +834,12 @@ rte_gpu_comm_create_list(uint16_t dev_id, return NULL; } + ret = rte_gpu_info_get(dev_id, &info); + if (ret < 0) { + rte_errno = ENODEV; + return NULL; + } + comm_list = rte_zmalloc(NULL, sizeof(struct rte_gpu_comm_list) * num_comm_items, 0); if (comm_list == NULL) { @@ -855,7 +862,7 @@ rte_gpu_comm_create_list(uint16_t dev_id, */ comm_list[0].status_d = rte_gpu_mem_alloc(dev_id, sizeof(enum rte_gpu_comm_list_status) * num_comm_items, - rte_mem_page_size()); + info.page_size); if (ret < 0) { rte_errno = ENOMEM; return NULL;