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 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 CA138D11193 for ; Wed, 26 Nov 2025 19:00:06 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 86E0E10E6FA; Wed, 26 Nov 2025 19:00:06 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="F8cnQRME"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.14]) by gabe.freedesktop.org (Postfix) with ESMTPS id C4CBB10E6F8 for ; Wed, 26 Nov 2025 18:59:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1764183598; x=1795719598; h=from:to:subject:date:message-id:in-reply-to:references: mime-version:content-transfer-encoding; bh=pKaDNxgkjcRC5zf/ZhV8v9ZhxDOQNirwTKp+s+X620A=; b=F8cnQRMEVBYiDolk/ac1GAP8VK/2nB/sqb0UbHnXQGAIAq0LZwmJbhub nQ4kzNuqubV1PzlzLFrslBFq4s9EssCLiFvjwyEwmDkhnShpapE1DGflk X0APaxuF766V66QzT2acxTJ0d1WLiavBIy3RtPXR2geirXFSPOrNVvQwV nDpHBi2g6iNKqhJwKq6c6TBl6yKvwu3Dvzrq+M/tEQylr5AdM7xvsRaBR dhTBZGDtReXk4uXznogNg0fXRXLK8HT0BpG18bR/FIsSvhuJplGr/lMZz U7S2BMp+9AvCNk+c3ESgMYj+p6nbf69XO/vc8XQz2ZW7Nru3G/0GzyQOI A==; X-CSE-ConnectionGUID: M1Zdv1SHRt6tkqeif4+lvw== X-CSE-MsgGUID: nEC6aXgbTPycHpp30WNumA== X-IronPort-AV: E=McAfee;i="6800,10657,11625"; a="66269517" X-IronPort-AV: E=Sophos;i="6.20,229,1758610800"; d="scan'208";a="66269517" Received: from orviesa008.jf.intel.com ([10.64.159.148]) by fmvoesa108.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 Nov 2025 10:59:57 -0800 X-CSE-ConnectionGUID: VoEXQixMS9evbRSLZpZV7Q== X-CSE-MsgGUID: RidIXLN+RvG2Bvv/Qjbz2g== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.20,229,1758610800"; d="scan'208";a="193121209" Received: from lstrano-desk.jf.intel.com ([10.54.39.91]) by orviesa008-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 Nov 2025 10:59:56 -0800 From: Matthew Brost To: intel-xe@lists.freedesktop.org Subject: [PATCH v5 1/9] drm/xe: Add properties line to VM snapshot capture Date: Wed, 26 Nov 2025 10:59:44 -0800 Message-Id: <20251126185952.546277-2-matthew.brost@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20251126185952.546277-1-matthew.brost@intel.com> References: <20251126185952.546277-1-matthew.brost@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: intel-xe@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel Xe graphics driver List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-xe-bounces@lists.freedesktop.org Sender: "Intel-xe" Add properties line to VM snapshot capture which includes additional information about VMA being dumped. This is helpful for debug purposes but also to build a robust GPU hang replay tool. The current format is: []: | Permissions has two options, either "read_only" or "read_write". Type has two options, either "userptr" or "bo". Cc: José Roberto de Souza Signed-off-by: Matthew Brost Reviewed-by: Jonathan Cavitt --- drivers/gpu/drm/xe/xe_vm.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/drivers/gpu/drm/xe/xe_vm.c b/drivers/gpu/drm/xe/xe_vm.c index 8ab726289583..880877b10d91 100644 --- a/drivers/gpu/drm/xe/xe_vm.c +++ b/drivers/gpu/drm/xe/xe_vm.c @@ -4047,6 +4047,9 @@ struct xe_vm_snapshot { struct { u64 ofs, bo_ofs; unsigned long len; +#define XE_VM_SNAP_FLAG_USERPTR BIT(0) +#define XE_VM_SNAP_FLAG_READ_ONLY BIT(1) + unsigned long flags; struct xe_bo *bo; void *data; struct mm_struct *mm; @@ -4087,6 +4090,8 @@ struct xe_vm_snapshot *xe_vm_snapshot_capture(struct xe_vm *vm) snap->snap[i].ofs = xe_vma_start(vma); snap->snap[i].len = xe_vma_size(vma); + snap->snap[i].flags = xe_vma_read_only(vma) ? + XE_VM_SNAP_FLAG_READ_ONLY : 0; if (bo) { snap->snap[i].bo = xe_bo_get(bo); snap->snap[i].bo_ofs = xe_vma_bo_offset(vma); @@ -4100,6 +4105,7 @@ struct xe_vm_snapshot *xe_vm_snapshot_capture(struct xe_vm *vm) snap->snap[i].data = ERR_PTR(-EFAULT); snap->snap[i].bo_ofs = xe_vma_userptr(vma); + snap->snap[i].flags |= XE_VM_SNAP_FLAG_USERPTR; } else { snap->snap[i].data = ERR_PTR(-ENOENT); } @@ -4169,6 +4175,12 @@ void xe_vm_snapshot_print(struct xe_vm_snapshot *snap, struct drm_printer *p) for (i = 0; i < snap->num_snaps; i++) { drm_printf(p, "[%llx].length: 0x%lx\n", snap->snap[i].ofs, snap->snap[i].len); + drm_printf(p, "[%llx].properties: %s|%s\n", snap->snap[i].ofs, + snap->snap[i].flags & XE_VM_SNAP_FLAG_READ_ONLY ? + "read_only" : "read_write", + snap->snap[i].flags & XE_VM_SNAP_FLAG_USERPTR ? + "userptr" : "bo"); + if (IS_ERR(snap->snap[i].data)) { drm_printf(p, "[%llx].error: %li\n", snap->snap[i].ofs, PTR_ERR(snap->snap[i].data)); -- 2.34.1