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 AA9C4C4345F for ; Fri, 12 Apr 2024 09:37:50 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 623FC10EF2A; Fri, 12 Apr 2024 09:37:50 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="iGFDFUJ+"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.9]) by gabe.freedesktop.org (Postfix) with ESMTPS id 0F2EC89067 for ; Fri, 12 Apr 2024 09:37:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1712914641; x=1744450641; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=jYbmM0P4UftE6JP4lhYGRmMLFV5rKF078HpFnAKErHk=; b=iGFDFUJ+se2Tr2R0w/9WkDTBws5mwej2Loqz0lD+tRCdWwvc3HR964zN idiNkJUDKPBEivUtlGMVgG1QHL1LhMYE0VZKTL5AT1ppIQJAAZU2W83Sr hBbcVecKuVUUkaXLauiedTTSRP4iirMrk8E89Eaagtdu8yOKc0DlHv9cq GgZdwDnXbk4dc2vsaa8fXAZTLknppURvOQE3LSp6vj5e7APZmw0mip5dT +HOf89XstOCcPLPR5VIqPZRTGZYxaglqwwWblEOMEkHJlt9Y64TX9bpzG 4i03sVvCARSQuBM9nUy3KiDwVLTQKP77Dd4ro4i1kTtYstbkCfs55Iclg w==; X-CSE-ConnectionGUID: cFrs1irZSIy/ZQhdY1pCVw== X-CSE-MsgGUID: X/kmLzaUT7e5hg6PeFd1Iw== X-IronPort-AV: E=McAfee;i="6600,9927,11041"; a="19075950" X-IronPort-AV: E=Sophos;i="6.07,195,1708416000"; d="scan'208";a="19075950" Received: from fmviesa001.fm.intel.com ([10.60.135.141]) by fmvoesa103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 12 Apr 2024 02:37:02 -0700 X-CSE-ConnectionGUID: CnCReO9aQ4KPwKQFaoFgcA== X-CSE-MsgGUID: S4cFvTiyR6CXuYPssprdSA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.07,195,1708416000"; d="scan'208";a="52342159" Received: from nirmoyda-desk.igk.intel.com ([10.102.138.190]) by smtpauth.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 12 Apr 2024 02:37:01 -0700 From: Nirmoy Das To: intel-xe@lists.freedesktop.org Cc: Nirmoy Das Subject: [PATCH v2 4/7] drm/xe: Move vm bind bo validation to a helper function Date: Fri, 12 Apr 2024 11:22:46 +0200 Message-ID: <20240412092249.3636-5-nirmoy.das@intel.com> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20240412092249.3636-1-nirmoy.das@intel.com> References: <20240412092249.3636-1-nirmoy.das@intel.com> MIME-Version: 1.0 Organization: Intel Deutschland GmbH, Registered Address: Am Campeon 10, 85579 Neubiberg, Germany, Commercial Register: Amtsgericht Muenchen HRB 186928 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" Move vm bind bo validation to a helper function to make the xe_vm_bind_ioctl() more readable. Signed-off-by: Nirmoy Das --- drivers/gpu/drm/xe/xe_vm.c | 73 +++++++++++++++++++++----------------- 1 file changed, 41 insertions(+), 32 deletions(-) diff --git a/drivers/gpu/drm/xe/xe_vm.c b/drivers/gpu/drm/xe/xe_vm.c index 7991d88fba22..5e633014f017 100644 --- a/drivers/gpu/drm/xe/xe_vm.c +++ b/drivers/gpu/drm/xe/xe_vm.c @@ -2972,6 +2972,44 @@ static int vm_bind_ioctl_signal_fences(struct xe_vm *vm, return err; } +static int xe_vm_bind_ioctl_validate_bo(struct xe_device *xe, struct xe_bo *bo, + u64 addr, u64 range, u64 obj_offset, + u16 coh_mode, u16 pat_index) +{ + if (XE_IOCTL_DBG(xe, range > bo->size) || + XE_IOCTL_DBG(xe, obj_offset > + bo->size - range)) { + return -EINVAL; + } + + if (bo->flags & XE_BO_FLAG_INTERNAL_64K) { + if (XE_IOCTL_DBG(xe, obj_offset & + XE_64K_PAGE_MASK) || + XE_IOCTL_DBG(xe, addr & XE_64K_PAGE_MASK) || + XE_IOCTL_DBG(xe, range & XE_64K_PAGE_MASK)) { + return -EINVAL; + } + } + + coh_mode = xe_pat_index_get_coh_mode(xe, pat_index); + if (bo->cpu_caching) { + if (XE_IOCTL_DBG(xe, coh_mode == XE_COH_NONE && + bo->cpu_caching == DRM_XE_GEM_CPU_CACHING_WB)) { + return -EINVAL; + } + } else if (XE_IOCTL_DBG(xe, coh_mode == XE_COH_NONE)) { + /* + * Imported dma-buf from a different device should + * require 1way or 2way coherency since we don't know + * how it was mapped on the CPU. Just assume is it + * potentially cached on CPU side. + */ + return -EINVAL; + } + + return 0; +} + int xe_vm_bind_ioctl(struct drm_device *dev, void *data, struct drm_file *file) { struct xe_device *xe = to_xe_device(dev); @@ -3067,40 +3105,11 @@ int xe_vm_bind_ioctl(struct drm_device *dev, void *data, struct drm_file *file) } bos[i] = gem_to_xe_bo(gem_obj); - if (XE_IOCTL_DBG(xe, range > bos[i]->size) || - XE_IOCTL_DBG(xe, obj_offset > - bos[i]->size - range)) { - err = -EINVAL; + if (xe_vm_bind_ioctl_validate_bo(xe, bos[i], addr, range, + obj_offset, coh_mode, + pat_index)) goto put_obj; - } - if (bos[i]->flags & XE_BO_FLAG_INTERNAL_64K) { - if (XE_IOCTL_DBG(xe, obj_offset & - XE_64K_PAGE_MASK) || - XE_IOCTL_DBG(xe, addr & XE_64K_PAGE_MASK) || - XE_IOCTL_DBG(xe, range & XE_64K_PAGE_MASK)) { - err = -EINVAL; - goto put_obj; - } - } - - coh_mode = xe_pat_index_get_coh_mode(xe, pat_index); - if (bos[i]->cpu_caching) { - if (XE_IOCTL_DBG(xe, coh_mode == XE_COH_NONE && - bos[i]->cpu_caching == DRM_XE_GEM_CPU_CACHING_WB)) { - err = -EINVAL; - goto put_obj; - } - } else if (XE_IOCTL_DBG(xe, coh_mode == XE_COH_NONE)) { - /* - * Imported dma-buf from a different device should - * require 1way or 2way coherency since we don't know - * how it was mapped on the CPU. Just assume is it - * potentially cached on CPU side. - */ - err = -EINVAL; - goto put_obj; - } } if (args->num_syncs) { -- 2.42.0