From mboxrd@z Thu Jan 1 00:00:00 1970 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) From: Eric Auger Date: Fri, 24 Apr 2015 13:39:13 +0100 Message-Id: <1429879153-23476-1-git-send-email-eric.auger@linaro.org> Subject: [Qemu-devel] [PATCH v2] sysbus: add irq_routing_notifier List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: eric.auger@st.com, eric.auger@linaro.org, qemu-devel@nongnu.org, peter.maydell@linaro.org, agraf@suse.de, pbonzini@redhat.com Cc: alex.williamson@redhat.com, kvmarm@lists.cs.columbia.edu, christoffer.dall@linaro.org, patches@linaro.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 { -- 1.8.3.2