diff options
| author | Pranavkumar Sawargaonkar <pranavkumar@linaro.org> | 2017-09-14 18:43:19 +0100 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2017-09-14 18:43:19 +0100 |
| commit | d464814ae729f3200234ff74d5f050ddad4f1f20 (patch) | |
| tree | 97a6552211b8234caf046e406c41d5422eefdcaa /hw/pci-host | |
| parent | c9bb8e16080d189a0c393a1061b427993516ae2b (diff) | |
hw/pci-host/gpex: Implement PCI INTx routing
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 <pranavkumar@linaro.org>
Signed-off-by: Tushar Jagad <tushar.jagad@linaro.org>
Signed-off-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Andrew Jones <drjones@redhat.com>
Tested-by: Feng Kan <fkan@apm.com>
Message-id: 1505296004-6798-4-git-send-email-eric.auger@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'hw/pci-host')
| -rw-r--r-- | hw/pci-host/gpex.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/hw/pci-host/gpex.c b/hw/pci-host/gpex.c index 41a884da3f..be25245219 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)); } |