From patchwork Fri Mar 7 22:41:22 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jonathan Cavitt X-Patchwork-Id: 14007267 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 gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id AB669C28B25 for ; Fri, 7 Mar 2025 22:41:37 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 5D11510EC58; Fri, 7 Mar 2025 22:41:32 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="fmXLtFz/"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.18]) by gabe.freedesktop.org (Postfix) with ESMTPS id 08BC910EC4E; Fri, 7 Mar 2025 22:41:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1741387287; x=1772923287; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=Js3F+xcvqQ/b3H2lkKt5SK4bLmNS8gHwcvM+mikSozk=; b=fmXLtFz/N3R+0FUu5/qtPssS2v6NnyIRNYl6VlwhNJsLEKdTNueRJOhZ XXcLyQrec8vbz+/ZY/OZfnuNGUfL9C7uvUmhPLAmg6Pj+6xC6nM1DfcGq 5zibri4lZQcUazAgZMrPKRiuyS0u07GBwHAx4PMvb9rhQQN3CAo3AAx7e BSoMPdLWHxT6a7DlzVIpPb9IhyVDpp+xJD4uFKAdGdQAisuIrTALckzZm x01z+LmQiBN39UEkmC9nnwBs3bAE780kVjmotUF5Twjr0iG1+YI8PwWtG EM+ySrkJMQ9iXRpJT4x4WlNzBQkyfRk9OA9OHw1viBdBHcyrRxhrw1Y+K w==; X-CSE-ConnectionGUID: /GYqH8aiRii5T8OzbkF5EA== X-CSE-MsgGUID: kCyRbQpzTgOoV9gDZ6OhWA== X-IronPort-AV: E=McAfee;i="6700,10204,11366"; a="41704520" X-IronPort-AV: E=Sophos;i="6.14,230,1736841600"; d="scan'208";a="41704520" Received: from orviesa004.jf.intel.com ([10.64.159.144]) by fmvoesa112.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 07 Mar 2025 14:41:27 -0800 X-CSE-ConnectionGUID: q5HJtphAQ/yUiJT5ypTVLw== X-CSE-MsgGUID: mknF5kecT96DiPNhMbzB/g== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.14,230,1736841600"; d="scan'208";a="124457955" Received: from dut4440lnl.fm.intel.com ([10.105.10.114]) by orviesa004-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 07 Mar 2025 14:41:27 -0800 From: Jonathan Cavitt To: intel-xe@lists.freedesktop.org Cc: saurabhg.gupta@intel.com, alex.zuo@intel.com, jonathan.cavitt@intel.com, joonas.lahtinen@linux.intel.com, matthew.brost@intel.com, jianxun.zhang@intel.com, shuicheng.lin@intel.com, dri-devel@lists.freedesktop.org Subject: [PATCH v6 4/6] drm/xe/uapi: Define drm_xe_vm_get_faults Date: Fri, 7 Mar 2025 22:41:22 +0000 Message-ID: <20250307224125.111430-5-jonathan.cavitt@intel.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250307224125.111430-1-jonathan.cavitt@intel.com> References: <20250307224125.111430-1-jonathan.cavitt@intel.com> MIME-Version: 1.0 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Add initial declarations for the drm_xe_vm_get_faults ioctl. Signed-off-by: Jonathan Cavitt --- include/uapi/drm/xe_drm.h | 49 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 49 insertions(+) diff --git a/include/uapi/drm/xe_drm.h b/include/uapi/drm/xe_drm.h index 616916985e3f..90c2fcdbd5c1 100644 --- a/include/uapi/drm/xe_drm.h +++ b/include/uapi/drm/xe_drm.h @@ -81,6 +81,7 @@ extern "C" { * - &DRM_IOCTL_XE_EXEC * - &DRM_IOCTL_XE_WAIT_USER_FENCE * - &DRM_IOCTL_XE_OBSERVATION + * - %DRM_IOCTL_XE_VM_GET_FAULTS */ /* @@ -102,6 +103,7 @@ extern "C" { #define DRM_XE_EXEC 0x09 #define DRM_XE_WAIT_USER_FENCE 0x0a #define DRM_XE_OBSERVATION 0x0b +#define DRM_XE_VM_GET_FAULTS 0x0c /* Must be kept compact -- no holes */ @@ -117,6 +119,7 @@ extern "C" { #define DRM_IOCTL_XE_EXEC DRM_IOW(DRM_COMMAND_BASE + DRM_XE_EXEC, struct drm_xe_exec) #define DRM_IOCTL_XE_WAIT_USER_FENCE DRM_IOWR(DRM_COMMAND_BASE + DRM_XE_WAIT_USER_FENCE, struct drm_xe_wait_user_fence) #define DRM_IOCTL_XE_OBSERVATION DRM_IOW(DRM_COMMAND_BASE + DRM_XE_OBSERVATION, struct drm_xe_observation_param) +#define DRM_IOCTL_XE_VM_GET_FAULTS DRM_IOWR(DRM_COMMAND_BASE + DRM_XE_VM_GET_FAULTS, struct drm_xe_vm_get_faults) /** * DOC: Xe IOCTL Extensions @@ -1189,6 +1192,52 @@ struct drm_xe_vm_bind { __u64 reserved[2]; }; +struct xe_vm_fault { + /** @address: Address of the fault, if relevant */ + __u64 address; +#define DRM_XE_FAULT_ADDRESS_TYPE_NONE_EXT 0 +#define DRM_XE_FAULT_ADDRESS_TYPE_READ_INVALID_EXT 1 +#define DRM_XE_FAULT_ADDRESS_TYPE_WRITE_INVALID_EXT 2 + /** @address_type: , if relevant */ + __u32 address_type; + /** + * @address_precision: Precision of faulted address, if relevant. + * Currently only SZ_4K. + */ + __u32 address_precision; + /** @reserved: MBZ */ + __u64 reserved[3]; +}; + +/** + * struct drm_xe_vm_get_faults - Input of &DRM_IOCTL_XE_VM_GET_FAULTS + * + * The user provides a VM ID, and the ioctl will + * + */ +struct drm_xe_vm_get_faults { + /** @extensions: Pointer to the first extension struct, if any */ + __u64 extensions; + + /** @vm_id: The ID of the VM to query the properties of */ + __u32 vm_id; + + /** @size: Size to allocate for @ptr */ + __u32 size; + + /** @fault_count: Number of faults to be returned */ + __u32 fault_count; + + /** @pad: MBZ */ + __u32 pad; + + /** @reserved: MBZ */ + __u64 reserved[2]; + + /** @faults: Pointer to user-defined array of xe_vm_fault of flexible size */ + __u64 faults; +}; + /** * struct drm_xe_exec_queue_create - Input of &DRM_IOCTL_XE_EXEC_QUEUE_CREATE *