From patchwork Fri Jul 12 11:08:11 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jonathan Cameron X-Patchwork-Id: 13731628 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id BE5AAC2BD09 for ; Fri, 12 Jul 2024 11:12:37 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sSECO-0005tL-44; Fri, 12 Jul 2024 07:12:24 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sSECM-0005o6-Os for qemu-devel@nongnu.org; Fri, 12 Jul 2024 07:12:22 -0400 Received: from frasgout.his.huawei.com ([185.176.79.56]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sSECE-0006jE-8k for qemu-devel@nongnu.org; Fri, 12 Jul 2024 07:12:22 -0400 Received: from mail.maildlp.com (unknown [172.18.186.216]) by frasgout.his.huawei.com (SkyGuard) with ESMTP id 4WL85r5Cd5z6K61v; Fri, 12 Jul 2024 19:10:40 +0800 (CST) Received: from lhrpeml500005.china.huawei.com (unknown [7.191.163.240]) by mail.maildlp.com (Postfix) with ESMTPS id 8BAA31400D9; Fri, 12 Jul 2024 19:12:12 +0800 (CST) Received: from SecurePC-101-06.china.huawei.com (10.122.19.247) by lhrpeml500005.china.huawei.com (7.191.163.240) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.1.2507.39; Fri, 12 Jul 2024 12:12:11 +0100 To: , , Markus Armbruster , , CC: , , , , Richard Henderson , Dave Jiang , Huang Ying , Paolo Bonzini , , Michael Roth , Ani Sinha Subject: [PATCH v5 07/13] hw/pci-bridge: Add acpi_uid property to TYPE_PXB_BUS Date: Fri, 12 Jul 2024 12:08:11 +0100 Message-ID: <20240712110837.1439736-8-Jonathan.Cameron@huawei.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240712110837.1439736-1-Jonathan.Cameron@huawei.com> References: <20240712110837.1439736-1-Jonathan.Cameron@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.122.19.247] X-ClientProxiedBy: lhrpeml100004.china.huawei.com (7.191.162.219) To lhrpeml500005.china.huawei.com (7.191.163.240) Received-SPF: pass client-ip=185.176.79.56; envelope-from=jonathan.cameron@huawei.com; helo=frasgout.his.huawei.com X-Spam_score_int: -41 X-Spam_score: -4.2 X-Spam_bar: ---- X-Spam_report: (-4.2 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-to: Jonathan Cameron X-Patchwork-Original-From: Jonathan Cameron via From: Jonathan Cameron Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Enable ACPI table creation for PCI Expander Bridges to be independent of PCI internals. Note that the UID is currently the PCI bus number. This is motivated by the forthcoming ACPI Generic Port SRAT entries which can be made completely independent of PCI internals. Suggested-by: Igor Mammedov Tested-by: "Huang, Ying" Signed-off-by: Jonathan Cameron Reviewed-by: Igor Mammedov --- v5: Add missing property description. --- hw/pci-bridge/pci_expander_bridge.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/hw/pci-bridge/pci_expander_bridge.c b/hw/pci-bridge/pci_expander_bridge.c index 0411ad31ea..b94cb85cfb 100644 --- a/hw/pci-bridge/pci_expander_bridge.c +++ b/hw/pci-bridge/pci_expander_bridge.c @@ -85,12 +85,25 @@ static uint16_t pxb_bus_numa_node(PCIBus *bus) return pxb->numa_node; } +static void prop_pxb_uid_get(Object *obj, Visitor *v, const char *name, + void *opaque, Error **errp) +{ + uint32_t uid = pci_bus_num(PCI_BUS(obj)); + + visit_type_uint32(v, name, &uid, errp); +} + static void pxb_bus_class_init(ObjectClass *class, void *data) { PCIBusClass *pbc = PCI_BUS_CLASS(class); pbc->bus_num = pxb_bus_num; pbc->numa_node = pxb_bus_numa_node; + + object_class_property_add(class, "acpi_uid", "uint32", + prop_pxb_uid_get, NULL, NULL, NULL); + object_class_property_set_description(class, "acpi_uid", + "ACPI Unique ID used to distinguish this PCI Host Bridge / ACPI00016"); } static const TypeInfo pxb_bus_info = {