From 715ca691daca081108b33306faa6fa102f0df8d8 Mon Sep 17 00:00:00 2001
From: Eric Auger <eric.auger@linaro.org>
Date: Mon, 6 Jul 2015 12:15:14 -0600
Subject: sysbus: add irq_routing_notifier

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 <eric.auger@linaro.org>
Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Tested-by: Vikram Sethi <vikrams@codeaurora.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
---
 hw/core/sysbus.c | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'hw')

diff --git a/hw/core/sysbus.c b/hw/core/sysbus.c
index 278a2d1bdd..3c58629894 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 */
-- 
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