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=-0.6 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no 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 1BDF2C4332D for ; Fri, 20 Mar 2020 08:21:11 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id D92F620767 for ; Fri, 20 Mar 2020 08:21:10 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="SYBBqiD4" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D92F620767 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:49263 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jFCtx-0000d3-Tl for qemu-devel@archiver.kernel.org; Fri, 20 Mar 2020 04:21:09 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:43682) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jFCsy-000873-Rc for qemu-devel@nongnu.org; Fri, 20 Mar 2020 04:20:09 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1jFCsx-00051U-IZ for qemu-devel@nongnu.org; Fri, 20 Mar 2020 04:20:08 -0400 Received: from us-smtp-delivery-74.mimecast.com ([216.205.24.74]:43364) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1jFCsx-0004yT-Ar for qemu-devel@nongnu.org; Fri, 20 Mar 2020 04:20:07 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1584692406; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=bkG2+19fBYk7D8HpztfMfOw3iDQjeTzsIxNZpQ1K5r8=; b=SYBBqiD4Ais3AoFx0EL3dLmzqNWCNmSA/TzwJcKWgdh+owtKssF3CujN6u1zMa5BQsBI3Y eu5CR4CDQrRwn5GJb0KeM6/y6W1+TXWmA/NN/oOT1QUv6pkAc5z8XJjPgejyE5g8UIUSo1 Yc2uTrLPV4A0f204oRt6oLRXJucQyrs= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-223-CHiWLQ4eNge1AnbsgSmPow-1; Fri, 20 Mar 2020 04:20:04 -0400 X-MC-Unique: CHiWLQ4eNge1AnbsgSmPow-1 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 0CCA58024D5; Fri, 20 Mar 2020 08:19:51 +0000 (UTC) Received: from sirius.home.kraxel.org (ovpn-112-49.ams2.redhat.com [10.36.112.49]) by smtp.corp.redhat.com (Postfix) with ESMTP id A50675D9CA; Fri, 20 Mar 2020 08:19:49 +0000 (UTC) Received: by sirius.home.kraxel.org (Postfix, from userid 1000) id 68A089DB3; Fri, 20 Mar 2020 09:19:48 +0100 (CET) Date: Fri, 20 Mar 2020 09:19:48 +0100 From: Gerd Hoffmann To: Igor Mammedov Subject: Re: [PATCH 05/13] microvm: add acpi_dsdt_add_virtio() for x86 Message-ID: <20200320081948.plaeuihbr33qgvzj@sirius.home.kraxel.org> References: <20200319080117.7725-1-kraxel@redhat.com> <20200319080117.7725-6-kraxel@redhat.com> <20200319153015.43f29fe0@redhat.com> MIME-Version: 1.0 In-Reply-To: <20200319153015.43f29fe0@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: quoted-printable Content-Disposition: inline X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 216.205.24.74 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Eduardo Habkost , Sergio Lopez , "Michael S. Tsirkin" , qemu-devel@nongnu.org, Paolo Bonzini , Richard Henderson Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Hi, > > + uint32_t irq =3D VIRTIO_IRQ_BASE + index; > > + hwaddr base =3D VIRTIO_MMIO_BASE + index * 512; > > + hwaddr size =3D 512; > is it possible to fish these values out from device without poking in its= guts > like using sysbus_get_connected_irq() and make up something to do get mmi= o parameters from sysbus device Had a brief look at this while making VIRTIO_IRQ_BASE configurable. The virtio-mmio proxy gets passed an qemu_irq struct on initialization, so it doesn't know what the irq number is ... cheers, Gerd