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=-1.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS 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 6A816C43441 for ; Sat, 10 Nov 2018 00:57:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 2FC4B20883 for ; Sat, 10 Nov 2018 00:57:15 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=ctrlinux.com header.i=@ctrlinux.com header.b="wRoAYvib"; dkim=pass (2048-bit key) header.d=messagingengine.com header.i=@messagingengine.com header.b="ps92zNL8" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 2FC4B20883 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=ctrlinux.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-pci-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728352AbeKJKkV (ORCPT ); Sat, 10 Nov 2018 05:40:21 -0500 Received: from out5-smtp.messagingengine.com ([66.111.4.29]:43471 "EHLO out5-smtp.messagingengine.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727210AbeKJKkV (ORCPT ); Sat, 10 Nov 2018 05:40:21 -0500 Received: from compute7.internal (compute7.nyi.internal [10.202.2.47]) by mailout.nyi.internal (Postfix) with ESMTP id 6439322164; Fri, 9 Nov 2018 19:57:13 -0500 (EST) Received: from web5 ([10.202.2.215]) by compute7.internal (MEProxy); Fri, 09 Nov 2018 19:57:13 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ctrlinux.com; h= message-id:from:to:mime-version:content-transfer-encoding :content-type:references:subject:reply-to:in-reply-to:date; s= fm1; bh=NSMxWCO45ZTbs4sywoyYiYKZX9yeEXdLp+3sJ3zZ118=; b=wRoAYvib PZwyLSPow8ZVqj5cXfP4rbwYRLuyNk2AD43/CNxWuAlQ/X/0EH6mAffMWT29dOU3 eyBstvYQcRRaxrZKeSdsE4bx8t5iiIY09gQAuwSi0bsNxkWaaZhnCGFWoR46ZLCn +vCxP6OZCnH5RHsd97xu8TblLdIeJLoB5jP1QteL/6kEWLbrexDT0Y5YzBBiwaLS LMsuBuLVLmc4PgnhXbo54kMfpiFqYHDKkB4k2WOtFOpXmSIU3gBiZg5Oxulkbfcv f0Q67Wpk1SD4hJ4Jdq/dglf4x89mT1IlKbhP6J5bZJDrVbmxVCTHycBn017lVKbp ZAU+jbut7q+b6w== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=content-transfer-encoding:content-type :date:from:in-reply-to:message-id:mime-version:references :reply-to:subject:to:x-me-proxy:x-me-proxy:x-me-sender :x-me-sender:x-sasl-enc; s=fm1; bh=NSMxWCO45ZTbs4sywoyYiYKZX9yeE XdLp+3sJ3zZ118=; b=ps92zNL8ygNquwyj3EXz9SiMU6xvpCcCsvhNn3fEMju7L z5/vRRw6+jb4qMxLE4+JxWJjIIUY9AUGJHd0PzOL/15mg8J6v2S0C35/IFXS8MZI fFapRHkkYerCooggSSHbvWizkPnHs0wh0HwXsbhRtGg54Sz3bI5R95fG7y/8kHU5 ZoEPZy+JSLU8BSaZZBatMLWpGly74hafVB+L1dcj01Wn4MPH7e/H6NH+wpfq9icY l63hiIaZDix6rohcxhxSapd3NwyFAJ/IW7zPL4B5kz/nb96FVNLemltWU3rVBNPL ORIkVpcJ3S2JrwUhkXsc5rhA4ZJsTLPIAI/oNZz6w== X-ME-Sender: X-ME-Proxy: Received: by mailuser.nyi.internal (Postfix, from userid 99) id 291669E115; Fri, 9 Nov 2018 19:57:13 -0500 (EST) Message-Id: <1541811433.2126862.1571973360.5D0EF5E6@webmail.messagingengine.com> From: Andrei Danaila To: Sinan Kaya , linux-pci@vger.kernel.org MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="utf-8" X-Mailer: MessagingEngine.com Webmail Interface - ajax-c0552f07 References: <1541809334.2290928.1571950584.2632F1FD@webmail.messagingengine.com> <9d6840e2-1f36-619c-33fc-7872a072e12d@kernel.org> <1541810592.1176760.1571963216.0765E640@webmail.messagingengine.com> <2209a758-fa3a-ba92-a0f0-4cf2d704c10d@kernel.org> Subject: Re: Sharing PCIe MMIO with other Drivers Reply-To: adanaila@ctrlinux.com In-Reply-To: <2209a758-fa3a-ba92-a0f0-4cf2d704c10d@kernel.org> Date: Fri, 09 Nov 2018 16:57:13 -0800 Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org Unfortunately, I cannot change the IP on the FPGA to add more BARs either, the whole thing is locked down. On Fri, Nov 9, 2018, at 4:48 PM, Sinan Kaya wrote: > On 11/9/2018 4:43 PM, Andrei Danaila wrote: > > Thanks Sinan, > > > > I thought of that as well, unfortunately that it is not possible since the FPGA IP block is proprietary from a 3P vendor and lumps everything under one function with no option of adding additional functions. > > How about adding multiple BARs and then give each BAR to a children driver?