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 X-Spam-Level: X-Spam-Status: No, score=-8.8 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 16F58C5AC81 for ; Fri, 18 Jan 2019 18:38:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id DEA3D20850 for ; Fri, 18 Jan 2019 18:38:08 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="key not found in DNS" (0-bit key) header.d=codeaurora.org header.i=@codeaurora.org header.b="JPMweWD5"; dkim=fail reason="key not found in DNS" (0-bit key) header.d=codeaurora.org header.i=@codeaurora.org header.b="bWmLcNJI" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729195AbfARSiH (ORCPT ); Fri, 18 Jan 2019 13:38:07 -0500 Received: from smtp.codeaurora.org ([198.145.29.96]:36258 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728622AbfARSiE (ORCPT ); Fri, 18 Jan 2019 13:38:04 -0500 Received: by smtp.codeaurora.org (Postfix, from userid 1000) id 127F76095F; Fri, 18 Jan 2019 18:38:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1547836684; bh=wraxb8tqxboMY5dWAZ4NH9qu+s9ojH3IOewaLdOWADc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=JPMweWD5FWYiplTL90Qedt8tVZj+Mkfv2T5gSWftDxP5GqJBpN6/JHsrcVeHpCyVt zErXghLZcvNLCbz8WM88yjJQa0npqISb1huRtng9x9nq9aL+itALuUrb5eEO5tqDbk JIbhL6H2zRwPVKzfymbTWjQAT5BbE4Xb+D5Lvyy8= Received: from lmark-linux.qualcomm.com (i-global254.qualcomm.com [199.106.103.254]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: lmark@smtp.codeaurora.org) by smtp.codeaurora.org (Postfix) with ESMTPSA id 699C3608FF; Fri, 18 Jan 2019 18:38:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1547836683; bh=wraxb8tqxboMY5dWAZ4NH9qu+s9ojH3IOewaLdOWADc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=bWmLcNJI5dNDlYzuIGRxPHibM47e1IaIvOxyYTdcXMJJzaa8yNS8t6hNjtysEyJHe bqWoJY98HTufwdr7H2xBvz3khJQYJrb8LcIg1CUp2Kix2ip1fh3oFeHRQxQLG4Qe0C k8FwSfQZnrR9TzMyO3PNJ7b7qnA2kr9mpKuciReU= DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 699C3608FF Authentication-Results: pdx-caf-mail.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: pdx-caf-mail.web.codeaurora.org; spf=none smtp.mailfrom=lmark@codeaurora.org From: Liam Mark To: labbott@redhat.com, sumit.semwal@linaro.org Cc: arve@android.com, tkjos@android.com, maco@android.com, joel@joelfernandes.org, christian@brauner.io, devel@driverdev.osuosl.org, dri-devel@lists.freedesktop.org, linaro-mm-sig@lists.linaro.org, linux-kernel@vger.kernel.org, afd@ti.com, john.stultz@linaro.org, Liam Mark Subject: [PATCH 3/4] dma-buf: add support for mapping with dma mapping attributes Date: Fri, 18 Jan 2019 10:37:46 -0800 Message-Id: <1547836667-13695-4-git-send-email-lmark@codeaurora.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1547836667-13695-1-git-send-email-lmark@codeaurora.org> References: <1547836667-13695-1-git-send-email-lmark@codeaurora.org> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add support for configuring dma mapping attributes when mapping and unmapping memory through dma_buf_map_attachment and dma_buf_unmap_attachment. Signed-off-by: Liam Mark --- include/linux/dma-buf.h | 3 +++ 1 file changed, 3 insertions(+) diff --git a/include/linux/dma-buf.h b/include/linux/dma-buf.h index 58725f890b5b..59bf33e09e2d 100644 --- a/include/linux/dma-buf.h +++ b/include/linux/dma-buf.h @@ -308,6 +308,8 @@ struct dma_buf { * @dev: device attached to the buffer. * @node: list of dma_buf_attachment. * @priv: exporter specific attachment data. + * @dma_map_attrs: DMA mapping attributes to be used in + * dma_buf_map_attachment() and dma_buf_unmap_attachment(). * * This structure holds the attachment information between the dma_buf buffer * and its user device(s). The list contains one attachment struct per device @@ -323,6 +325,7 @@ struct dma_buf_attachment { struct device *dev; struct list_head node; void *priv; + unsigned long dma_map_attrs; }; /** -- Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, a Linux Foundation Collaborative Project