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=-1.2 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_PASS,URIBL_BLOCKED autolearn=unavailable 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 B080CC4360F for ; Thu, 21 Feb 2019 08:59:54 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 7BF072086C for ; Thu, 21 Feb 2019 08:59:54 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=broadcom.com header.i=@broadcom.com header.b="hBULB71O" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726980AbfBUI7x (ORCPT ); Thu, 21 Feb 2019 03:59:53 -0500 Received: from mail-wr1-f65.google.com ([209.85.221.65]:33906 "EHLO mail-wr1-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726251AbfBUI7w (ORCPT ); Thu, 21 Feb 2019 03:59:52 -0500 Received: by mail-wr1-f65.google.com with SMTP id f14so29123168wrg.1 for ; Thu, 21 Feb 2019 00:59:51 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=broadcom.com; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=wnSbCQyycLq8oDMSUhgJQnPqOcaOQETywggOOu0R6lI=; b=hBULB71OefHi5mYgZdKD1NE3EtIoi6jjLVuJ5bgwUamg8KMCN/oJs++IvkvVIlDPNp ABMbt8JMoBMPK00QmqScGwRUU41MaM7o2M/pqgB/4tQaZZrlj2XBA9LMuh4wMmLaGRjW nuVR6S83wrg7GjFGcidYXG+OKmyA9jt27mTFs= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=wnSbCQyycLq8oDMSUhgJQnPqOcaOQETywggOOu0R6lI=; b=Djt1wHfn1f/ztyU0Gk3h+IHlQTCxlWZVTCOTE0zhLKHs24lp8PWDkhvcPeLpJp7IWN VKjqdKflKUScSLpf5kVXO8LGlYpTdqk7K7BaxUtVckNCiGWI5IY0FUXc5RNodgEacArb YJNs/C3arM647vBio+AI95YmXQAE5LDJwI6QmXfWk12CTkmmcu4dxa+hLHZKpHpWdmB0 KqeaiigrSFMrPW4DPQc64D7/hXNvv2HldIiFprDVghvBsKdurIgzTSHNHjFlT5hvCFAu igmYm9XsP6sglI0DPTyZtEV74gnRXGuPAVDsIL8u2Ez8lNYDLSYZDcaFTxtVlFpWXKg5 dhew== X-Gm-Message-State: AHQUAubuJFAiAMT5/WMY8QvSqxaEqW/QTIHwDZcUrtoiJYr5qYpBWBcg OKT3MgLqc5fyFgARpbCMeQu9/uO7lspEAOJz+sgRyQ== X-Google-Smtp-Source: AHgI3IY19j2QMO10R327qYh6SDi2/lTaEV0OB3iQj9x+9KaDa+CkBDmGVzE+VdaBZnVhahb2hzzhu0py76Een5yp8lc= X-Received: by 2002:adf:9ecc:: with SMTP id b12mr27875564wrf.83.1550739590847; Thu, 21 Feb 2019 00:59:50 -0800 (PST) MIME-Version: 1.0 References: <1548411231-27549-1-git-send-email-srinath.mannam@broadcom.com> In-Reply-To: <1548411231-27549-1-git-send-email-srinath.mannam@broadcom.com> From: Srinath Mannam Date: Thu, 21 Feb 2019 14:29:39 +0530 Message-ID: Subject: Re: [PATCH v3 0/3] PCIe Host request to reserve IOVA To: Bjorn Helgaas , Robin Murphy , Joerg Roedel , Lorenzo Pieralisi , poza@codeaurora.org, Ray Jui Cc: BCM Kernel Feedback , linux-pci@vger.kernel.org, iommu@lists.linux-foundation.org, Linux Kernel Mailing List Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Bjorn, Please help to review this patch series. Thank you. Regards, Srinath. On Fri, Jan 25, 2019 at 3:44 PM Srinath Mannam wrote: > > Few SOCs have limitation that their PCIe host can't allow few inbound > address ranges. Allowed inbound address ranges are listed in dma-ranges > DT property and this address ranges are required to do IOVA mapping. > Remaining address ranges have to be reserved in IOVA mapping. > > PCIe Host driver of those SOCs has to list all address ranges which have > to reserve their IOVA address into PCIe host bridge resource entry list. > IOMMU framework will reserve these IOVAs while initializing IOMMU domain. > > This patch set is based on Linux-5.0-rc2. > > Changes from v2: > - Patch set rebased to Linux-5.0-rc2 > > Changes from v1: > - Addressed Oza review comments. > > Srinath Mannam (3): > PCI: Add dma-resv window list > iommu/dma: Reserve IOVA for PCI host reserve address list > PCI: iproc: Add dma reserve resources to host > > drivers/iommu/dma-iommu.c | 8 ++++++ > drivers/pci/controller/pcie-iproc.c | 51 ++++++++++++++++++++++++++++++++++++- > drivers/pci/probe.c | 3 +++ > include/linux/pci.h | 1 + > 4 files changed, 62 insertions(+), 1 deletion(-) > > -- > 2.7.4 >