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[Qemu-devel] [PATCH 2/2] pci: GPEX: Add support to route legacy interrup
From: |
Pranavkumar Sawargaonkar |
Subject: |
[Qemu-devel] [PATCH 2/2] pci: GPEX: Add support to route legacy interrupts |
Date: |
Fri, 17 Apr 2015 14:25:11 +0530 |
This patch adds routine to route legacy interrupts to VM.
Signed-off-by: Pranavkumar Sawargaonkar <address@hidden>
Signed-off-by: Tushar Jagad <address@hidden>
---
hw/pci-host/gpex.c | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/hw/pci-host/gpex.c b/hw/pci-host/gpex.c
index 9d8fb5a..35842e4 100644
--- a/hw/pci-host/gpex.c
+++ b/hw/pci-host/gpex.c
@@ -42,6 +42,17 @@ static void gpex_set_irq(void *opaque, int irq_num, int
level)
qemu_set_irq(s->irq[irq_num], level);
}
+static PCIINTxRoute gpex_route_intx_pin_to_irq(void *opaque, int pin)
+{
+ PCIINTxRoute route;
+ GPEXHost *s = opaque;
+
+ route.mode = PCI_INTX_ENABLED;
+ route.irq = qemu_get_irq_num(s->irq[pin]);
+
+ return route;
+}
+
static void gpex_host_realize(DeviceState *dev, Error **errp)
{
PCIHostState *pci = PCI_HOST_BRIDGE(dev);
@@ -66,6 +77,7 @@ static void gpex_host_realize(DeviceState *dev, Error **errp)
&s->io_ioport, 0, 4, TYPE_PCIE_BUS);
qdev_set_parent_bus(DEVICE(&s->gpex_root), BUS(pci->bus));
+ pci_bus_set_route_irq_fn(pci->bus, gpex_route_intx_pin_to_irq);
qdev_init_nofail(DEVICE(&s->gpex_root));
}
--
1.9.1