From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:57455) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Z8XRi-00014T-18 for qemu-devel@nongnu.org; Fri, 26 Jun 2015 13:29:49 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Z8XRe-0005mO-ET for qemu-devel@nongnu.org; Fri, 26 Jun 2015 13:29:45 -0400 Received: from mail-wg0-f42.google.com ([74.125.82.42]:36261) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Z8XRe-0005le-9M for qemu-devel@nongnu.org; Fri, 26 Jun 2015 13:29:42 -0400 Received: by wguu7 with SMTP id u7so93854613wgu.3 for ; Fri, 26 Jun 2015 10:29:41 -0700 (PDT) From: Eric Auger Date: Fri, 26 Jun 2015 18:29:25 +0100 Message-Id: <1435339767-2301-5-git-send-email-eric.auger@linaro.org> In-Reply-To: <1435339767-2301-1-git-send-email-eric.auger@linaro.org> References: <1435339767-2301-1-git-send-email-eric.auger@linaro.org> Subject: [Qemu-devel] [PATCH v18 4/6] 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, alex.williamson@redhat.com, pbonzini@redhat.com Cc: peter.crosthwaite@xilinx.com, christoffer.dall@linaro.org, patches@linaro.org Add a new connect_irq_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 Reviewed-by: Peter Crosthwaite Tested-by: Vikram Sethi --- v15 -> v16: - add Vikram's T-b v14 -> v15: - add Peter R-b v2 -> v3 (integrated into this series v14): - rename irq_routing_notifier into connect_irq_notifier 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 92eced9..b1f7fab 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->connect_irq_notifier) { + sbd->connect_irq_notifier(dev, irq); + } } /* Check whether an MMIO region exists */ diff --git a/include/hw/sysbus.h b/include/hw/sysbus.h index d1f3f00..e80b26d 100644 --- a/include/hw/sysbus.h +++ b/include/hw/sysbus.h @@ -41,6 +41,7 @@ typedef struct SysBusDeviceClass { /*< public >*/ int (*init)(SysBusDevice *dev); + void (*connect_irq_notifier)(SysBusDevice *dev, qemu_irq irq); } SysBusDeviceClass; struct SysBusDevice { -- 1.8.3.2