From patchwork Tue Oct 15 16:26:58 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= X-Patchwork-Id: 11191063 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 076FC15AB for ; Tue, 15 Oct 2019 16:33:29 +0000 (UTC) Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id E170B2086A for ; Tue, 15 Oct 2019 16:33:28 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E170B2086A Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=xen-devel-bounces@lists.xenproject.org Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1iKPkA-0005n9-Ro; Tue, 15 Oct 2019 16:32:18 +0000 Received: from us1-rack-iad1.inumbo.com ([172.99.69.81]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1iKPk9-0005mm-TJ for xen-devel@lists.xenproject.org; Tue, 15 Oct 2019 16:32:17 +0000 X-Inumbo-ID: 59bec57e-ef69-11e9-a531-bc764e2007e4 Received: from mx1.redhat.com (unknown [209.132.183.28]) by us1-rack-iad1.inumbo.com (Halon) with ESMTPS id 59bec57e-ef69-11e9-a531-bc764e2007e4; Tue, 15 Oct 2019 16:32:17 +0000 (UTC) Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 6BBA61DA2; Tue, 15 Oct 2019 16:32:16 +0000 (UTC) Received: from x1w.redhat.com (ovpn-204-35.brq.redhat.com [10.40.204.35]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 0250A19C58; Tue, 15 Oct 2019 16:31:59 +0000 (UTC) From: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Date: Tue, 15 Oct 2019 18:26:58 +0200 Message-Id: <20191015162705.28087-26-philmd@redhat.com> In-Reply-To: <20191015162705.28087-1-philmd@redhat.com> References: <20191015162705.28087-1-philmd@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.6.2 (mx1.redhat.com [10.5.110.71]); Tue, 15 Oct 2019 16:32:16 +0000 (UTC) Subject: [Xen-devel] [PATCH 25/32] hw/pci-host/piix: Extract piix3_create() X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: Laurent Vivier , Thomas Huth , Stefano Stabellini , Eduardo Habkost , kvm@vger.kernel.org, Paul Durrant , "Michael S. Tsirkin" , Marcel Apfelbaum , Paolo Bonzini , =?utf-8?q?Herv=C3=A9_Poussineau?= , Aleksandar Markovic , xen-devel@lists.xenproject.org, Anthony Perard , Igor Mammedov , Aleksandar Rikalo , =?utf-8?q?Philippe_Mathieu?= =?utf-8?q?-Daud=C3=A9?= , Aurelien Jarno , Richard Henderson Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" Extract the PIIX3 creation code from the i440fx_init() function. Signed-off-by: Philippe Mathieu-Daudé Reviewed-by: Aleksandar Markovic --- hw/pci-host/piix.c | 51 ++++++++++++++++++++++++++++------------------ 1 file changed, 31 insertions(+), 20 deletions(-) diff --git a/hw/pci-host/piix.c b/hw/pci-host/piix.c index 2f4cbcbfe9..3292703de7 100644 --- a/hw/pci-host/piix.c +++ b/hw/pci-host/piix.c @@ -331,6 +331,36 @@ static void i440fx_realize(PCIDevice *dev, Error **errp) } } +static PIIX3State *piix3_create(PCIBus *pci_bus, ISABus **isa_bus) +{ + PIIX3State *piix3; + PCIDevice *pci_dev; + + /* + * Xen supports additional interrupt routes from the PCI devices to + * the IOAPIC: the four pins of each PCI device on the bus are also + * connected to the IOAPIC directly. + * These additional routes can be discovered through ACPI. + */ + if (xen_enabled()) { + pci_dev = pci_create_simple_multifunction(pci_bus, -1, true, + TYPE_PIIX3_XEN_DEVICE); + piix3 = PIIX3_PCI_DEVICE(pci_dev); + pci_bus_irqs(pci_bus, xen_piix3_set_irq, xen_pci_slot_get_pirq, + piix3, XEN_PIIX_NUM_PIRQS); + } else { + pci_dev = pci_create_simple_multifunction(pci_bus, -1, true, + TYPE_PIIX3_DEVICE); + piix3 = PIIX3_PCI_DEVICE(pci_dev); + pci_bus_irqs(pci_bus, piix3_set_irq, pci_slot_get_pirq, + piix3, PIIX_NUM_PIRQS); + pci_bus_set_route_irq_fn(pci_bus, piix3_route_intx_pin_to_irq); + } + *isa_bus = ISA_BUS(qdev_get_child_bus(DEVICE(piix3), "isa.0")); + + return piix3; +} + PCIBus *i440fx_init(const char *host_type, const char *pci_type, PCII440FXState **pi440fx_state, int *piix3_devfn, @@ -400,27 +430,8 @@ PCIBus *i440fx_init(const char *host_type, const char *pci_type, PAM_EXPAN_SIZE); } - /* Xen supports additional interrupt routes from the PCI devices to - * the IOAPIC: the four pins of each PCI device on the bus are also - * connected to the IOAPIC directly. - * These additional routes can be discovered through ACPI. */ - if (xen_enabled()) { - PCIDevice *pci_dev = pci_create_simple_multifunction(b, - -1, true, TYPE_PIIX3_XEN_DEVICE); - piix3 = PIIX3_PCI_DEVICE(pci_dev); - pci_bus_irqs(b, xen_piix3_set_irq, xen_pci_slot_get_pirq, - piix3, XEN_PIIX_NUM_PIRQS); - } else { - PCIDevice *pci_dev = pci_create_simple_multifunction(b, - -1, true, TYPE_PIIX3_DEVICE); - piix3 = PIIX3_PCI_DEVICE(pci_dev); - pci_bus_irqs(b, piix3_set_irq, pci_slot_get_pirq, piix3, - PIIX_NUM_PIRQS); - pci_bus_set_route_irq_fn(b, piix3_route_intx_pin_to_irq); - } + piix3 = piix3_create(b, isa_bus); piix3->pic = pic; - *isa_bus = ISA_BUS(qdev_get_child_bus(DEVICE(piix3), "isa.0")); - *piix3_devfn = piix3->dev.devfn; ram_size = ram_size / 8 / 1024 / 1024;