From patchwork Fri Mar 7 22:41:23 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jonathan Cavitt X-Patchwork-Id: 14007265 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 C55D3C28B28 for ; Fri, 7 Mar 2025 22:41:34 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 014B310EC55; Fri, 7 Mar 2025 22:41:31 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="ZBLuYllp"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.18]) by gabe.freedesktop.org (Postfix) with ESMTPS id 2B22A10EC4A; 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=7kg75Tyyd8ZeYruQ/MbWxm2QqgWZiPahNdEEuu/Obk8=; b=ZBLuYllpYTtVuDbF4lWybjGjBPh0/Mol6DzeEZCTyEUNGtQ3HmAObweQ S4A1I+LeRJgx4g1AKJMWYSr2F5OD+zCil8xWWVH6d0CbQZY0D6+uuVBTY q6dFrAGpkQAsq4JXnE04Ed4VZZX+CJWZqsv03PYzBVXkE2itfIcsXSdRM CGKcXmiryECIklB0DFlRrMm6NYl1m7QLWXIs5HNfeD0Dj/2bNTNdVXH5I SYx8xdQEP0M8tzZQa15zymP7/Clg3MbrkFMlCvrfkb6V2h9yVY2iiHGwG p/8DDEJ26333rXN/yfHcVPdkX0G1B8Sd4bet7DWkvlkaqJ0bFu/IJzQ+u w==; X-CSE-ConnectionGUID: zTFecB4xRtK+vaE+wBNTnA== X-CSE-MsgGUID: xv/MHjF9RMyhHVaVuCizPw== X-IronPort-AV: E=McAfee;i="6700,10204,11366"; a="41704521" X-IronPort-AV: E=Sophos;i="6.14,230,1736841600"; d="scan'208";a="41704521" 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: JwMl4at3SnmlkdOxvuj3hg== X-CSE-MsgGUID: T/nWD2GJTLaSOs3fQPG0fg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.14,230,1736841600"; d="scan'208";a="124457958" 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 5/6] drm/xe/xe_gt_pagefault: Add address_type field to pagefaults Date: Fri, 7 Mar 2025 22:41:23 +0000 Message-ID: <20250307224125.111430-6-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 a new field to the xe_pagefault struct, address_type, that tracks the type of fault the pagefault incurred. Signed-off-by: Jonathan Cavitt --- drivers/gpu/drm/xe/xe_gt_pagefault.c | 3 +++ drivers/gpu/drm/xe/xe_gt_pagefault.h | 1 + 2 files changed, 4 insertions(+) diff --git a/drivers/gpu/drm/xe/xe_gt_pagefault.c b/drivers/gpu/drm/xe/xe_gt_pagefault.c index 964ca1efb698..fa8bf743d4d7 100644 --- a/drivers/gpu/drm/xe/xe_gt_pagefault.c +++ b/drivers/gpu/drm/xe/xe_gt_pagefault.c @@ -206,11 +206,13 @@ static int handle_pagefault(struct xe_gt *gt, struct xe_pagefault *pf) vma = lookup_vma(vm, pf->page_addr); if (!vma) { + pf->address_type = DRM_XE_FAULT_ADDRESS_TYPE_NONE_EXT; err = -EINVAL; goto unlock_vm; } if (xe_vma_read_only(vma) && pf->access_type != XE_PAGEFAULT_ACCESS_TYPE_READ) { + pf->address_type = DRM_XE_FAULT_ADDRESS_TYPE_WRITE_INVALID_EXT; err = -EPERM; goto unlock_vm; } @@ -284,6 +286,7 @@ static bool get_pagefault(struct pf_queue *pf_queue, struct xe_pagefault *pf) pf->asid = FIELD_GET(PFD_ASID, desc->dw1); pf->vfid = FIELD_GET(PFD_VFID, desc->dw2); pf->access_type = FIELD_GET(PFD_ACCESS_TYPE, desc->dw2); + pf->address_type = 0; pf->fault_type = FIELD_GET(PFD_FAULT_TYPE, desc->dw2); pf->page_addr = (u64)(FIELD_GET(PFD_VIRTUAL_ADDR_HI, desc->dw3)) << PFD_VIRTUAL_ADDR_HI_SHIFT; diff --git a/drivers/gpu/drm/xe/xe_gt_pagefault.h b/drivers/gpu/drm/xe/xe_gt_pagefault.h index 33616043d17a..969f7b458d3f 100644 --- a/drivers/gpu/drm/xe/xe_gt_pagefault.h +++ b/drivers/gpu/drm/xe/xe_gt_pagefault.h @@ -17,6 +17,7 @@ struct xe_pagefault { u16 pdata; u8 vfid; u8 access_type; + u8 address_type; u8 fault_type; u8 fault_level; u8 engine_class;