From patchwork Fri Apr 24 12:39:13 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eric Auger X-Patchwork-Id: 464206 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 0E1AE14011B for ; Fri, 24 Apr 2015 22:40:12 +1000 (AEST) Received: from localhost ([::1]:44702 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Ylctu-0001yc-AS for incoming@patchwork.ozlabs.org; Fri, 24 Apr 2015 08:40:10 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:56698) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YlctA-0000vk-Vy for qemu-devel@nongnu.org; Fri, 24 Apr 2015 08:39:25 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Ylct7-000211-LL for qemu-devel@nongnu.org; Fri, 24 Apr 2015 08:39:24 -0400 Received: from mail-wg0-f49.google.com ([74.125.82.49]:33272) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Ylct7-00020v-FA for qemu-devel@nongnu.org; Fri, 24 Apr 2015 08:39:21 -0400 Received: by wgin8 with SMTP id n8so49218037wgi.0 for ; Fri, 24 Apr 2015 05:39:20 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id; bh=X72D05DhkSRJ1FQvo0iXiSI7bcUhTTlaECp1HSlSBaE=; b=aahlC/MyCIe6kFQxcjxn6Iokgz24+CEPwBP94pohUSbKQw0gXzeIZocPoSe3NnuGcq t3qJKW+8SEg+5ysjqnZLfxzIzfc781oSQbdPKwWugsPlIMYWG928CxnSRDAuv/wTiyXV HgYFTfqnAM1AIY1vFM/Oiq6woHI/FRjIpWjO1XFbTn4Qhhuw7oAeXheC2GNVM2OSvGs/ yt8DiQkYXIrT+tQXeDLHWTUqYE7puowlOPX/m5r0CVKgK4eLbC2hZtELQmyqwn305wkr fFL/nFpOGl2EU1DdheErORnGDur/qTUNH8Mr69CRGal1o41pZWoE5GctMJjXwvZ4oniW qo2A== X-Gm-Message-State: ALoCoQmBCVY7zODw8KwJL86+ij2RJ3RfKp1b/9kZ5HNUA4fSA7/Et4fhbCJLnnVDolD4ZoQGx473 X-Received: by 10.194.120.132 with SMTP id lc4mr15718856wjb.92.1429879160724; Fri, 24 Apr 2015 05:39:20 -0700 (PDT) Received: from midway01-04-00.lavalab ([81.128.185.50]) by mx.google.com with ESMTPSA id 14sm16747950wjv.0.2015.04.24.05.39.19 (version=TLSv1.1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Fri, 24 Apr 2015 05:39:19 -0700 (PDT) From: Eric Auger To: eric.auger@st.com, eric.auger@linaro.org, qemu-devel@nongnu.org, peter.maydell@linaro.org, agraf@suse.de, pbonzini@redhat.com Date: Fri, 24 Apr 2015 13:39:13 +0100 Message-Id: <1429879153-23476-1-git-send-email-eric.auger@linaro.org> X-Mailer: git-send-email 1.8.3.2 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 74.125.82.49 Cc: alex.williamson@redhat.com, kvmarm@lists.cs.columbia.edu, christoffer.dall@linaro.org, patches@linaro.org Subject: [Qemu-devel] [PATCH v2] sysbus: add irq_routing_notifier X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Add a new irq_routing_notifier notifier in the SysBusDeviceClass. This notifier, if populated, is called after sysbus_connect_irq. This mechanism is used to setup VFIO signaling once VFIO platform devices get attached to their platform bus, on a machine init done notifier. Signed-off-by: Eric Auger --- v1 -> v2: - duly put the notifier in the class and not in the device --- hw/core/sysbus.c | 6 ++++++ include/hw/sysbus.h | 1 + 2 files changed, 7 insertions(+) diff --git a/hw/core/sysbus.c b/hw/core/sysbus.c index b53c351..8553a6f 100644 --- a/hw/core/sysbus.c +++ b/hw/core/sysbus.c @@ -109,7 +109,13 @@ qemu_irq sysbus_get_connected_irq(SysBusDevice *dev, int n) void sysbus_connect_irq(SysBusDevice *dev, int n, qemu_irq irq) { + SysBusDeviceClass *sbd = SYS_BUS_DEVICE_GET_CLASS(dev); + qdev_connect_gpio_out_named(DEVICE(dev), SYSBUS_DEVICE_GPIO_IRQ, n, irq); + + if (sbd->irq_routing_notifier) { + sbd->irq_routing_notifier(dev, irq); + } } /* Check whether an MMIO region exists */ diff --git a/include/hw/sysbus.h b/include/hw/sysbus.h index d1f3f00..dbf3f0f 100644 --- a/include/hw/sysbus.h +++ b/include/hw/sysbus.h @@ -41,6 +41,7 @@ typedef struct SysBusDeviceClass { /*< public >*/ int (*init)(SysBusDevice *dev); + void (*irq_routing_notifier)(SysBusDevice *dev, qemu_irq irq); } SysBusDeviceClass; struct SysBusDevice {