From nobody Thu Dec 18 17:56:03 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1505411691990892.2380995969577; Thu, 14 Sep 2017 10:54:51 -0700 (PDT) Received: from localhost ([::1]:49185 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dsYLj-0001Jj-79 for importer@patchew.org; Thu, 14 Sep 2017 13:54:51 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:46500) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dsYJa-00086G-CE for qemu-devel@nongnu.org; Thu, 14 Sep 2017 13:52:39 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dsYJZ-0007zX-GQ for qemu-devel@nongnu.org; Thu, 14 Sep 2017 13:52:38 -0400 Received: from orth.archaic.org.uk ([2001:8b0:1d0::2]:37364) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1dsYJZ-0007iP-8g for qemu-devel@nongnu.org; Thu, 14 Sep 2017 13:52:37 -0400 Received: from pm215 by orth.archaic.org.uk with local (Exim 4.89) (envelope-from ) id 1dsYJX-0005u1-UM for qemu-devel@nongnu.org; Thu, 14 Sep 2017 18:52:35 +0100 From: Peter Maydell To: qemu-devel@nongnu.org Date: Thu, 14 Sep 2017 18:52:52 +0100 Message-Id: <1505411573-27848-18-git-send-email-peter.maydell@linaro.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1505411573-27848-1-git-send-email-peter.maydell@linaro.org> References: <1505411573-27848-1-git-send-email-peter.maydell@linaro.org> X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2001:8b0:1d0::2 Subject: [Qemu-devel] [PULL 17/18] hw/pci-host/gpex: Implement PCI INTx routing X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" 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 Message-id: 1505296004-6798-4-git-send-email-eric.auger@redhat.com Signed-off-by: Peter Maydell --- 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; } =20 +static PCIINTxRoute gpex_route_intx_pin_to_irq(void *opaque, int pin) +{ + PCIINTxRoute route; + GPEXHost *s =3D opaque; + + route.mode =3D PCI_INTX_ENABLED; + route.irq =3D s->irq_num[pin]; + + return route; +} + static void gpex_host_realize(DeviceState *dev, Error **errp) { PCIHostState *pci =3D PCI_HOST_BRIDGE(dev); @@ -77,6 +88,7 @@ static void gpex_host_realize(DeviceState *dev, Error **e= rrp) &s->io_ioport, 0, 4, TYPE_PCIE_BUS); =20 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)); } =20 --=20 2.7.4