From nobody Sat Sep 26 20:00:18 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=quarantine dis=none) header.from=redhat.com ARC-Seal: i=1; a=rsa-sha256; t=1790078255; cv=none; d=zohomail.com; s=zohoarc; b=RHREhJLtwjbQRVyBZA4E/MictoTq8h6Jl7DNxbXmiwcBIC4tLn8LXq3ACMPi6OdheOGSrfy+6pEd3s9k6CN5NeoqO+SAJ3Dc6kTgEyE3qHWnnM548w1yuAjHie/kEhRWg38UvdxSH/4OavF1LOvxZWeZ0jRf/EZoou5dtGs/rTo= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1790078255; h=Content-Type:Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=pVCgw0wPygjBTIaqMmVrSbeA8amhWhBeh4imNY++Sng=; b=nPpSlB4+GntZIhBmgSGOOBJxT+aT0wzjIW9L6k3g7jOl/VhWqGo0dJ6ClnA/IKtmaoWXlIRRMmpLXBCgv7YB5IISTObf7b2ZNV3lSgyWI24rFdwydG3BOS0mb0+90gFljwSyoR7mtXoNzbdIApUYCOqxYM1he37YAF0RdGFfZss= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass header.from= (p=quarantine dis=none) Return-Path: Received: from lists1p.gnu.org (lists1p.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1790078255978656.0558717064093; Tue, 22 Sep 2026 04:57:35 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists1p.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1x8z6o-0000XR-BZ; Tue, 22 Sep 2026 07:56:27 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists1p.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1x8z6l-0000XD-Aa for qemu-devel@nongnu.org; Tue, 22 Sep 2026 07:56:23 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1x8z6j-0003Mb-8p for qemu-devel@nongnu.org; Tue, 22 Sep 2026 07:56:23 -0400 Received: from mx-prod-mc-01.mail-002.prod.us-west-2.aws.redhat.com (ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-278-y08WbYFYOvWBzItFMoX9lA-1; Tue, 22 Sep 2026 07:56:17 -0400 Received: from mx-prod-int-01.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-01.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.4]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-01.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 952C4195395D for ; Tue, 22 Sep 2026 11:56:16 +0000 (UTC) Received: from berrange.csb (headnet05.pony-001.prod.iad2.dc.redhat.com [10.2.32.117]) by mx-prod-int-01.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id 7CE92300106A; Tue, 22 Sep 2026 11:56:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1790078179; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=pVCgw0wPygjBTIaqMmVrSbeA8amhWhBeh4imNY++Sng=; b=Nena1Sj4V4SwfC4bAP67rYN6PhslaoQU4D4cK9TeszsrUy3wwjnd788fA7clRFDNRkkSQW eaelkam4sDEe/74Gh7kFLzxOuRvV1x//JUXSiQqhM8q2CY1K0wI4pwhdsD9B5niwQi5IPO OPKbrq9G1p88MtXlZDkwVMzFY6VvAS8= X-MC-Unique: y08WbYFYOvWBzItFMoX9lA-1 X-Mimecast-MFC-AGG-ID: y08WbYFYOvWBzItFMoX9lA_1790078176 From: =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= To: qemu-devel@nongnu.org Cc: "Michael S. Tsirkin" , =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= Subject: [PATCH] hw/pci-bridge: honour CONFIG_CXL in PXB Date: Tue, 22 Sep 2026 12:56:13 +0100 Message-ID: <20260922115613.1926083-1-berrange@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.4 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists1p.gnu.org; Received-SPF: pass client-ip=170.10.133.124; envelope-from=berrange@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: 12 X-Spam_score: 1.2 X-Spam_bar: + X-Spam_report: (1.2 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_SBL_CSS=3.335, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1790078257648158500 If CONFIG_CXL=3Dn is added to the Kconfig, the build fails to link the PXB device: /usr/bin/ld.bfd: libsystem.a.p/hw_pci-bridge_pci_expander_bridge.c.o: in fu= nction `pxb_cxl_realize': /home/berrange/src/virt/qemu/build/../hw/pci-bridge/pci_expander_bridge.c:2= 02:(.text+0x330): undefined reference to `cxl_component_register_block_init' /usr/bin/ld.bfd: libsystem.a.p/hw_pci-bridge_pci_expander_bridge.c.o: in fu= nction `pxb_cxl_dev_reset': /home/berrange/src/virt/qemu/build/../hw/pci-bridge/pci_expander_bridge.c:3= 09:(.text+0x768): undefined reference to `cxl_component_register_init_commo= n' Fixes: 6e4e3ae936 (hw/cxl/component: Implement host bridge MMIO (8.2.5, tab= le 142)) Signed-off-by: Daniel P. Berrang=C3=A9 Acked-by: Jonathan Cameron Reviewed-by: Philippe Mathieu-Daud=C3=A9 --- hw/pci-bridge/pci_expander_bridge.c | 14 ++++++++++++-- 1 file changed, 12 insertions(+), 2 deletions(-) diff --git a/hw/pci-bridge/pci_expander_bridge.c b/hw/pci-bridge/pci_expand= er_bridge.c index 40ffbc4e082..8977243a804 100644 --- a/hw/pci-bridge/pci_expander_bridge.c +++ b/hw/pci-bridge/pci_expander_bridge.c @@ -123,12 +123,14 @@ static const TypeInfo pxb_pcie_bus_info =3D { .class_init =3D pxb_bus_class_init, }; =20 +#ifdef CONFIG_CXL static const TypeInfo pxb_cxl_bus_info =3D { .name =3D TYPE_PXB_CXL_BUS, .parent =3D TYPE_CXL_BUS, .instance_size =3D sizeof(PXBBus), .class_init =3D pxb_bus_class_init, }; +#endif /* CONFIG_CXL */ =20 static const char *pxb_host_root_bus_path(PCIHostState *host_bridge, PCIBus *rootbus) @@ -192,6 +194,7 @@ static const TypeInfo pxb_host_info =3D { .class_init =3D pxb_host_class_init, }; =20 +#ifdef CONFIG_CXL static void pxb_cxl_realize(DeviceState *dev, Error **errp) { SysBusDevice *sbd =3D SYS_BUS_DEVICE(dev); @@ -250,6 +253,7 @@ static const TypeInfo cxl_host_info =3D { .instance_size =3D sizeof(CXLHost), .class_init =3D pxb_cxl_host_class_init, }; +#endif /* CONFIG_CXL */ =20 /* * Registers the PXB bus as a child of pci host root bus. @@ -297,6 +301,7 @@ static int pxb_map_irq_fn(PCIDevice *pci_dev, int pin) return pin - PCI_SLOT(pxb->devfn); } =20 +#ifdef CONFIG_CXL static void pxb_cxl_dev_reset(DeviceState *dev) { CXLHost *cxl =3D PXB_CXL_DEV(dev)->cxl_host_bridge; @@ -324,6 +329,7 @@ static void pxb_cxl_dev_reset(DeviceState *dev) 8); } } +#endif /* CONFIG_CXL */ =20 static gint pxb_compare(gconstpointer a, gconstpointer b) { @@ -496,6 +502,7 @@ static const TypeInfo pxb_pcie_dev_info =3D { }, }; =20 +#ifdef CONFIG_CXL static void pxb_cxl_dev_realize(PCIDevice *dev, Error **errp) { /* A CXL PXB's parent bus is still PCIe */ @@ -546,17 +553,20 @@ static const TypeInfo pxb_cxl_dev_info =3D { {}, }, }; +#endif /* CONFIG_CXL */ =20 static void pxb_register_types(void) { type_register_static(&pxb_bus_info); type_register_static(&pxb_pcie_bus_info); - type_register_static(&pxb_cxl_bus_info); type_register_static(&pxb_host_info); - type_register_static(&cxl_host_info); type_register_static(&pxb_dev_info); type_register_static(&pxb_pcie_dev_info); +#ifdef CONFIG_CXL + type_register_static(&pxb_cxl_bus_info); + type_register_static(&cxl_host_info); type_register_static(&pxb_cxl_dev_info); +#endif /* CONFIG_CXL */ } =20 type_init(pxb_register_types) --=20 2.55.0