From patchwork Sun Jul 9 21:02:19 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eric Auger X-Patchwork-Id: 785953 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 3x5LRX1Lxlz9s0g for ; Mon, 10 Jul 2017 07:03:36 +1000 (AEST) Received: from localhost ([::1]:37486 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dUJMc-0000g7-5Y for incoming@patchwork.ozlabs.org; Sun, 09 Jul 2017 17:03:34 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:33074) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dUJLz-0000eK-6S for qemu-devel@nongnu.org; Sun, 09 Jul 2017 17:02:56 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dUJLy-0004np-Bd for qemu-devel@nongnu.org; Sun, 09 Jul 2017 17:02:55 -0400 Received: from mx1.redhat.com ([209.132.183.28]:36212) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1dUJLw-0004ln-Cz; Sun, 09 Jul 2017 17:02:52 -0400 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 376AB3DD47; Sun, 9 Jul 2017 21:02:51 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mx1.redhat.com 376AB3DD47 Authentication-Results: ext-mx05.extmail.prod.ext.phx2.redhat.com; dmarc=none (p=none dis=none) header.from=redhat.com Authentication-Results: ext-mx05.extmail.prod.ext.phx2.redhat.com; spf=pass smtp.mailfrom=eric.auger@redhat.com DKIM-Filter: OpenDKIM Filter v2.11.0 mx1.redhat.com 376AB3DD47 Received: from localhost.localdomain.com (ovpn-116-31.ams2.redhat.com [10.36.116.31]) by smtp.corp.redhat.com (Postfix) with ESMTP id EA5B317DC6; Sun, 9 Jul 2017 21:02:47 +0000 (UTC) From: Eric Auger 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 Date: Sun, 9 Jul 2017 23:02:19 +0200 Message-Id: <1499634139-20399-4-git-send-email-eric.auger@redhat.com> In-Reply-To: <1499634139-20399-1-git-send-email-eric.auger@redhat.com> References: <1499634139-20399-1-git-send-email-eric.auger@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.29]); Sun, 09 Jul 2017 21:02:51 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PATCH RESEND v3 3/3] 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: , Cc: wei@redhat.com, drjones@redhat.com, agraf@suse.de, christoffer.dall@linaro.org, pranavkumar@linaro.org Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" 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 --- 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 0d42ac2..94cc3c1 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, uint32_t 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 = (int)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)); }