From: Pranavkumar Sawargaonkar <pranavku...@linaro.org>
Now we are able to retrieve the gsi from the INTx pin, let's
enable intx_to_irq routing. From that point on, irqfd becomes
usable along with INTx when assigning a PCIe device.
Signed-off-by: Pranavkumar Sawargaonkar <pranavku...@linaro.org>
Signed-off-by: Tushar Jagad <tushar.ja...@linaro.org>
Signed-off-by: Eric Auger <eric.au...@redhat.com>
Reviewed-by: Andrew Jones <drjo...@redhat.com>
Tested-by: Feng Kan <f...@apm.com>
Message-id: 1505296004-6798-4-git-send-email-eric.au...@redhat.com
Signed-off-by: Peter Maydell <peter.mayd...@linaro.org>
---
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 41a884d..be25245 100644
--- a/hw/pci-host/gpex.c
+++ b/hw/pci-host/gpex.c
@@ -53,6 +53,17 @@ int gpex_set_irq_num(GPEXHost *s, int index, int gsi)
return 0;
}
+static PCIINTxRoute gpex_route_intx_pin_to_irq(void *opaque, int pin)
+{
+ PCIINTxRoute route;
+ GPEXHost *s = opaque;
+
+ route.mode = PCI_INTX_ENABLED;
+ route.irq = s->irq_num[pin];
+
+ return route;
+}
+
static void gpex_host_realize(DeviceState *dev, Error **errp)
{
PCIHostState *pci = PCI_HOST_BRIDGE(dev);
@@ -77,6 +88,7 @@ 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));
}
--
2.7.4
