From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id A7C62EF0712 for ; Mon, 9 Feb 2026 06:11:16 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 6BFA76B0089; Mon, 9 Feb 2026 01:11:15 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 66DB86B0092; Mon, 9 Feb 2026 01:11:15 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 545CE6B0093; Mon, 9 Feb 2026 01:11:15 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0011.hostedemail.com [216.40.44.11]) by kanga.kvack.org (Postfix) with ESMTP id 410D46B0089 for ; Mon, 9 Feb 2026 01:11:15 -0500 (EST) Received: from smtpin10.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay05.hostedemail.com (Postfix) with ESMTP id AC97B5A341 for ; Mon, 9 Feb 2026 06:11:14 +0000 (UTC) X-FDA: 84423895668.10.5D5BDDB Received: from BYAPR05CU005.outbound.protection.outlook.com (mail-westusazon11010046.outbound.protection.outlook.com [52.101.85.46]) by imf06.hostedemail.com (Postfix) with ESMTP id 5DEC6180005 for ; Mon, 9 Feb 2026 06:11:11 +0000 (UTC) Authentication-Results: imf06.hostedemail.com; dkim=pass header.d=amd.com header.s=selector1 header.b=cOGtOhJs; spf=pass (imf06.hostedemail.com: domain of Honglei1.Huang@amd.com designates 52.101.85.46 as permitted sender) smtp.mailfrom=Honglei1.Huang@amd.com; dmarc=pass (policy=quarantine) header.from=amd.com; arc=pass ("microsoft.com:s=arcselector10001:i=1") ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1770617471; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=TMbvLyaAvNXsFoSV0KbS9N3tGeqxMjOmorgMDw9FoPY=; b=QGjiLf1ZkcybgcTopCQcMYftwdANP2ICefCWoL+b/FOPbbpVK5B5+9Fx/LrYwZ+kTTs42c NkFvaq/e8b3XepTVaOAZNJAhdgn/c9rkdHXjPWbzDpHYe+aKboWp3regauVU8NP8ngeHdn OpTQruCoZ+RJVLqJ6owExKgfEhkRQTI= ARC-Authentication-Results: i=2; imf06.hostedemail.com; dkim=pass header.d=amd.com header.s=selector1 header.b=cOGtOhJs; spf=pass (imf06.hostedemail.com: domain of Honglei1.Huang@amd.com designates 52.101.85.46 as permitted sender) smtp.mailfrom=Honglei1.Huang@amd.com; dmarc=pass (policy=quarantine) header.from=amd.com; arc=pass ("microsoft.com:s=arcselector10001:i=1") ARC-Seal: i=2; s=arc-20220608; d=hostedemail.com; t=1770617471; a=rsa-sha256; cv=pass; b=WA/lD/dG4OtCP5bIeKwBpRbdz2GVmLtpIUAXIpHUYZEdGujDkYTryOrJSyTTPQDEW8iGgW X10fVHjOFSS3uvQq2R8lpsJtcgEi2v3/JbUT8bxMGApnmkhChriGBQ6z/fe9QfEDkEQuFw 4uKgs3JPeJMscSODTiuZyqXEk1e4gA8= ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=lNbVvGADjqgL0mufX/e8998UZ+S8199yTtf6WbNlkY8EzEE85NdLYnUSYGRuJPYBHZX1UN4L3wp0+HJTsQSaKDyXN1bECvbLqz/k4EuSj5yLVtBiERWyyXvYppPSUoiiVj+YOxDTClh/23ixyfuYB0WOxCPJzgvJ9tJyfTjZ/m9KjzC8rfF5UT1OlNw5WZBPgYr7doqpAS9NTomjOvNEHBb8aX40Iuos3NXlrPTnQjZMpmKmKFWauOu4Kfq+TSILHunT73iUgBRz+jwE9g892dpFs+AwhknQUZPRTJ/ejgOygzvY56pYtotndQjxTorKAsK1BFFv59PGyNeCluCRRw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector10001; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=TMbvLyaAvNXsFoSV0KbS9N3tGeqxMjOmorgMDw9FoPY=; b=C+ehacZe7zN5WinWTA0wvTr03Uuv+CDVCM/0Xds3geXg0lFxALbXC59GcJxx3R2eQEY0I7wMeCjQDVfB/FRRH8RhzpKQjdTVnkVyvuy1xRwqABwupLd+FaYi4TUeDWL6MuXtDHI3bOQndfJA9xZsXcQJa8GY9tmlZ/YmEI0A7l4nClmlaeW8GXKeIIwcaVlZFBaee5NmsrHVNxJWGytBpW0UK47VSUNnnmOI+S3I+2A3HBaPurv1fR10peH58tDpoKl+ZGqU/pAs6o01wmgY3wyjjYPZGlYPANpylj2iwAPf0CnJAPjd6A145avQutR2jj2hvPDXfhHlPeDFCIICeA== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 165.204.84.17) smtp.rcpttodomain=collabora.com smtp.mailfrom=amd.com; dmarc=pass (p=quarantine sp=quarantine pct=100) action=none header.from=amd.com; dkim=none (message not signed); arc=none (0) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amd.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=TMbvLyaAvNXsFoSV0KbS9N3tGeqxMjOmorgMDw9FoPY=; b=cOGtOhJs1h3LTfrB7CHZbxDk3hfalIFPl7nUfcBuUN7uvTr1JJE1/6E6f4LfU5MBJNUj1DZ5FI9D4G8W6ami+C93H5h3ElVFE+YLKYPTOQUlYcDSocg0kFPGkm1jbi71qFHyOm0w23HdTbaBApKITCm3Ozt72DeW7nehtpM0OqA= Received: from PH8PR02CA0050.namprd02.prod.outlook.com (2603:10b6:510:2da::19) by SA5PPFCB4F033D6.namprd12.prod.outlook.com (2603:10b6:80f:fc04::8e2) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9564.16; Mon, 9 Feb 2026 06:11:06 +0000 Received: from SN1PEPF000397AE.namprd05.prod.outlook.com (2603:10b6:510:2da:cafe::7d) by PH8PR02CA0050.outlook.office365.com (2603:10b6:510:2da::19) with Microsoft SMTP Server (version=TLS1_3, cipher=TLS_AES_256_GCM_SHA384) id 15.20.9587.19 via Frontend Transport; Mon, 9 Feb 2026 06:11:06 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 165.204.84.17) smtp.mailfrom=amd.com; dkim=none (message not signed) header.d=none;dmarc=pass action=none header.from=amd.com; Received-SPF: Pass (protection.outlook.com: domain of amd.com designates 165.204.84.17 as permitted sender) receiver=protection.outlook.com; client-ip=165.204.84.17; helo=satlexmb07.amd.com; pr=C Received: from satlexmb07.amd.com (165.204.84.17) by SN1PEPF000397AE.mail.protection.outlook.com (10.167.248.52) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9587.10 via Frontend Transport; Mon, 9 Feb 2026 06:11:06 +0000 Received: from honglei-remote.amd.com (10.180.168.240) by satlexmb07.amd.com (10.181.42.216) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.17; Mon, 9 Feb 2026 00:11:02 -0600 From: Honglei Huang To: , , , , CC: , , , , , , , , Subject: [PATCH v4 1/8] drm/amdkfd: Add userptr batch allocation UAPI structures Date: Mon, 9 Feb 2026 14:10:40 +0800 Message-ID: <20260209061047.3881808-2-honglei1.huang@amd.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260209061047.3881808-1-honglei1.huang@amd.com> References: <20260209061047.3881808-1-honglei1.huang@amd.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-Originating-IP: [10.180.168.240] X-ClientProxiedBy: satlexmb07.amd.com (10.181.42.216) To satlexmb07.amd.com (10.181.42.216) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SN1PEPF000397AE:EE_|SA5PPFCB4F033D6:EE_ X-MS-Office365-Filtering-Correlation-Id: 6dd66dde-d3c2-48b3-e25c-08de67a202e3 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|36860700013|82310400026|376014; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?e3yRY+/GarfzaibHXTf0+KPddfVu3sGpJ4EVj5TkQTAXxi6jXTTikNNhRgK6?= =?us-ascii?Q?ERvzAEa7PRWPDcNDTJqbztVT5fXG9dN83/+WPFa4MgncnPGxD6HIMPL9U0Qw?= =?us-ascii?Q?Mvk10s+PZlctRCH3QVtWVukTHYg956BfP93d0QBtbWwAYS8vA0/IHDfzU2xC?= =?us-ascii?Q?l1CQFypEaXwvBYhwT3qArDQjdOOKq1RYIk3PO/LW932jbBC1AdI95OZZ1aWS?= =?us-ascii?Q?5E2dFkWdPCjCEip8ZRB7PNYTdVlDwjw/4niKz6GjjCPyipt2St8sEaqBnsNx?= =?us-ascii?Q?JmztUZ3U8a3qw9xPieg+wQZ+UaOu8QnF/Yz+7Nlj1+1JfDRfGgTv8WFx/+gK?= =?us-ascii?Q?q+uhtPfCZdsWTiMFp0YeQmv2Q2OhivyTBRMMbdujhY9bmr+ncNfOZW7tHLyl?= =?us-ascii?Q?Ay0wmSXtSQbGMp/PAhCRAssiqotQEU4NgRrqqwOuTsc8r4CLhAd/Rn96rEda?= =?us-ascii?Q?a5AuBeKQe3JEjAimNRmd9PWHB3BieoQC2tLg4WcZPhFnTNhyo2a5etnNLSSz?= =?us-ascii?Q?7TY/teYYPp1IIgLBiF0QE8eRLXGlq7MiJD0v71/opTbZDtn0jPh/tNilxENk?= =?us-ascii?Q?XgxJ70se2o5u8obveFJCyaLLOJ3NUWxCeDtN+omMk2Zyz//+dEh9VVX6Ww7+?= =?us-ascii?Q?ii3dSKbnFkjUNsrqxPEZxzG3JwRrnunhbycyX+T8WE3d2Z+DTVNRvsTU42rq?= =?us-ascii?Q?2IS5BkCGJYP/Eaq6OWvzY/DqfQY9liAvV7z+lqL+mM3O0IS/iRKhSXufxEM2?= =?us-ascii?Q?xwh5Q/kQjbT/DcDXh0mTi6LIV/KUY3m5TfjN9rEvui6HVFUUK8wkAjRUF2qb?= =?us-ascii?Q?tMz9W4uC69auO7R22gBRSLBr2nR4cY6T8U0axYtoRrGRCn9TolSUHb+ZBYr8?= =?us-ascii?Q?A2m+n82KbdJq2VXv0To2oxYvfXtr7NwpKaLXv1+UNf9TQzHB3a5FCOjH2KmK?= =?us-ascii?Q?wG0nXCJjqWGNPoGaoll6PXHJVPs9PFmDPXfKQBzAlWzT6qh0dw982rs/6tTS?= =?us-ascii?Q?VEUA+rvtvoMiaGbS5zE2wY0BcGoS9oTZA/F91etsgbhXK0vrVX0y3q3YiD7x?= =?us-ascii?Q?4KNPBFqrS1G4xLtaXk1Iqln2Tz94WoFjPi3TOg7Sb2qxhh9KjZ2fKbHAbl2o?= =?us-ascii?Q?XhznIdlKM30iAMq2lXc1mS8FhL8EsOoJY4mGQZviADy4zbCGOzZXMvWrLSIf?= =?us-ascii?Q?08BXyg0b7bwsPirvloSKPKErItudAqOZjvz4chlh7BI4+U0jEh8XbR7YUxW9?= =?us-ascii?Q?uAuNXKu2Xd3Q2LotQCcdon9ogAEKKSSKj6S04zfaPpUqeTNw6oPiR0qb3iZ5?= =?us-ascii?Q?tPuSCpjwrx8IsYNbEoFD3eLqhhE5bUs8NysYXIf2AZoUEJFmEFA1rXbQrS5Z?= =?us-ascii?Q?I1psWQ0NtpC0s4/4+st6ktPaR80TZEhfBSQn9RLh31t+buZIl179Zzo7eD8Q?= =?us-ascii?Q?W6yK3buZ/1f4xQ/IoJJp7bcRpbOcZYAfcxKWiXJVbgd2WXNGSztnVAtTL7Re?= =?us-ascii?Q?LnQEAvZKJoSpBCh8wMI9IUhtFPtbcmD9FFt1cbkZZQhfHtmY2YKWVG/PNSlU?= =?us-ascii?Q?5w5xxe+wRePpcl1ORJiWImuIagKfVxR+UxFKZjhjHfaPC3Er8+DFm+gLwqtC?= =?us-ascii?Q?vt2GyfQRTJe4R2rmC18CgRPPMRdeIZAjk7Lkjp07mqdrzlWXScDoHhFOvmFb?= =?us-ascii?Q?nc5JIQ=3D=3D?= X-Forefront-Antispam-Report: CIP:165.204.84.17;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:satlexmb07.amd.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230040)(1800799024)(36860700013)(82310400026)(376014);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: DIwr0nfyLuZSisxEtrxayr68n4ckDhCol9Rri6OznEHzFmsEQEeZHrRo83YMCWee4KbdLpmj/I6BjDhKMRwHpEqdEIwxHPKi2RW8TOwBcGGacJJLNCkJ/T4T65MqfHJm4NW1U+zNGxgm7G56fK3pbUBxzCJ3mQPZq+OAr+fj4KlZnP7hxtvpFD8TcUlTnYubdeKRanKEfA0FBBWwLm4UbezpM4Ka8S7D0cs66gMfU1fiXVDfmdXiHV+64/UMuLmzdPZhSl3I5caHrCDfPwSWc/v8Q3Dxgd1FuE6wns3DRKknZbtcs5DibUcUzrcSW0I1wMWyWzLhanIbzUuyStaXduUAFVh8LHmEcq1NFhHmiLjXyflAryWAjs15cRJoHR2lKE7fWvcxAzbMDvVo6FhFZ8RjUBLKCUowjwTm4B8NUmQ/EuP3zkUyCnOKXHqqHWfl X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 09 Feb 2026 06:11:06.3627 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 6dd66dde-d3c2-48b3-e25c-08de67a202e3 X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[satlexmb07.amd.com] X-MS-Exchange-CrossTenant-AuthSource: SN1PEPF000397AE.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SA5PPFCB4F033D6 X-Rspamd-Server: rspam12 X-Stat-Signature: rrdabgbnthg857mzig36tbw9oo43e715 X-Rspamd-Queue-Id: 5DEC6180005 X-Rspam-User: X-HE-Tag: 1770617471-743518 X-HE-Meta: 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 6n21pN/G 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: From: Honglei Huang Introduce new UAPI structures to support batch allocation of non-contiguous userptr ranges in a single ioctl call. add: - KFD_IOC_ALLOC_MEM_FLAGS_USERPTR_BATCH flag - struct kfd_ioctl_userptr_range for individual ranges - struct kfd_ioctl_userptr_ranges_data for batch data Signed-off-by: Honglei Huang --- include/uapi/linux/kfd_ioctl.h | 31 ++++++++++++++++++++++++++++++- 1 file changed, 30 insertions(+), 1 deletion(-) diff --git a/include/uapi/linux/kfd_ioctl.h b/include/uapi/linux/kfd_ioctl.h index 84aa24c02..579850e70 100644 --- a/include/uapi/linux/kfd_ioctl.h +++ b/include/uapi/linux/kfd_ioctl.h @@ -420,16 +420,45 @@ struct kfd_ioctl_acquire_vm_args { #define KFD_IOC_ALLOC_MEM_FLAGS_UNCACHED (1 << 25) #define KFD_IOC_ALLOC_MEM_FLAGS_EXT_COHERENT (1 << 24) #define KFD_IOC_ALLOC_MEM_FLAGS_CONTIGUOUS (1 << 23) +#define KFD_IOC_ALLOC_MEM_FLAGS_USERPTR_BATCH (1 << 22) + +/* Userptr range for batch allocation + * + * @start: start address of user virtual memory range + * @size: size of this user virtual memory range in bytes + */ +struct kfd_ioctl_userptr_range { + __u64 start; /* to KFD */ + __u64 size; /* to KFD */ +}; + +/* Complete userptr batch allocation data structure + * + * This structure combines the header and ranges array for convenience. + * User space can allocate memory for this structure with the desired + * number of ranges and pass a pointer to it via mmap_offset field. + * + * @num_ranges: number of ranges in the ranges array + * @reserved: reserved for future use, must be 0 + * @ranges: flexible array of userptr ranges + */ +struct kfd_ioctl_userptr_ranges_data { + __u32 num_ranges; /* to KFD */ + __u32 reserved; /* to KFD, must be 0 */ + struct kfd_ioctl_userptr_range ranges[]; /* to KFD */ +}; /* Allocate memory for later SVM (shared virtual memory) mapping. * * @va_addr: virtual address of the memory to be allocated * all later mappings on all GPUs will use this address - * @size: size in bytes + * @size: size in bytes (total size for batch allocation) * @handle: buffer handle returned to user mode, used to refer to * this allocation for mapping, unmapping and freeing * @mmap_offset: for CPU-mapping the allocation by mmapping a render node * for userptrs this is overloaded to specify the CPU address + * for batch userptr (KFD_IOC_ALLOC_MEM_FLAGS_USERPTR_BATCH), + * this should point to a kfd_ioctl_userptr_ranges_data structure * @gpu_id: device identifier * @flags: memory type and attributes. See KFD_IOC_ALLOC_MEM_FLAGS above */ -- 2.34.1