From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:56387) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ds4GJ-00004r-RL for qemu-devel@nongnu.org; Wed, 13 Sep 2017 05:47:16 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ds4GI-0006aN-ST for qemu-devel@nongnu.org; Wed, 13 Sep 2017 05:47:15 -0400 From: Eric Auger Date: Wed, 13 Sep 2017 11:46:44 +0200 Message-Id: <1505296004-6798-4-git-send-email-eric.auger@redhat.com> In-Reply-To: <1505296004-6798-1-git-send-email-eric.auger@redhat.com> References: <1505296004-6798-1-git-send-email-eric.auger@redhat.com> Subject: [Qemu-devel] [PATCH v4 3/3] hw/pci-host/gpex: Implement PCI INTx routing List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: eric.auger.pro@gmail.com, eric.auger@redhat.com, peter.maydell@linaro.org, alex.williamson@redhat.com, qemu-arm@nongnu.org, qemu-devel@nongnu.org Cc: christoffer.dall@linaro.org, agraf@suse.de, pranavkumar@linaro.org, drjones@redhat.com, wei@redhat.com From: Pranavkumar Sawargaonkar 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 Signed-off-by: Tushar Jagad Signed-off-by: Eric Auger Reviewed-by: Andrew Jones Tested-by: Feng Kan --- v3 -> v4: - remove the cast to int - added Drew's R-b --- 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)); } -- 2.5.5