From patchwork Thu Jun 20 16:03:15 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jonathan Cameron X-Patchwork-Id: 13705783 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 51E28C27C79 for ; Thu, 20 Jun 2024 16:07:38 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sKKJm-000783-1s; Thu, 20 Jun 2024 12:07:22 -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 1sKKJj-00077E-Cq for qemu-devel@nongnu.org; Thu, 20 Jun 2024 12:07:19 -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 1sKKJh-00081i-LT for qemu-devel@nongnu.org; Thu, 20 Jun 2024 12:07:19 -0400 Received: from mail.maildlp.com (unknown [172.18.186.31]) by frasgout.his.huawei.com (SkyGuard) with ESMTP id 4W4ljt3N2Tz6GD5h; Fri, 21 Jun 2024 00:06:58 +0800 (CST) Received: from lhrpeml500005.china.huawei.com (unknown [7.191.163.240]) by mail.maildlp.com (Postfix) with ESMTPS id 33AFD140517; Fri, 21 Jun 2024 00:07:01 +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; Thu, 20 Jun 2024 17:07:00 +0100 To: , , Markus Armbruster , , , , , Richard Henderson CC: , Dave Jiang , Huang Ying , Paolo Bonzini , , , Michael Roth , Ani Sinha Subject: [PATCH v3 07/11] hw/pci-bridge: Add acpi_uid property to CXL PXB Date: Thu, 20 Jun 2024 17:03:15 +0100 Message-ID: <20240620160324.109058-8-Jonathan.Cameron@huawei.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240620160324.109058-1-Jonathan.Cameron@huawei.com> References: <20240620160324.109058-1-Jonathan.Cameron@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.122.19.247] X-ClientProxiedBy: lhrpeml500001.china.huawei.com (7.191.163.213) 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, T_SCC_BODY_TEXT_LINE=-0.01 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 This allows the ACPI SRAT Generic Port Affinity Structure creation to be independent of PCI internals. Note that the UID is currently the PCI bus number. Suggested-by: Igor Mammedov Signed-off-by: Jonathan Cameron --- v3: New patch --- hw/pci-bridge/pci_expander_bridge.c | 17 ++++++++++++++++- 1 file changed, 16 insertions(+), 1 deletion(-) diff --git a/hw/pci-bridge/pci_expander_bridge.c b/hw/pci-bridge/pci_expander_bridge.c index 0411ad31ea..92d39b917a 100644 --- a/hw/pci-bridge/pci_expander_bridge.c +++ b/hw/pci-bridge/pci_expander_bridge.c @@ -93,6 +93,21 @@ static void pxb_bus_class_init(ObjectClass *class, void *data) pbc->numa_node = pxb_bus_numa_node; } +static void prop_pxb_cxl_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_cxl_bus_class_init(ObjectClass *class, void *data) +{ + pxb_bus_class_init(class, data); + object_class_property_add(class, "acpi_uid", "uint32", + prop_pxb_cxl_uid_get, NULL, NULL, NULL); +} + static const TypeInfo pxb_bus_info = { .name = TYPE_PXB_BUS, .parent = TYPE_PCI_BUS, @@ -111,7 +126,7 @@ static const TypeInfo pxb_cxl_bus_info = { .name = TYPE_PXB_CXL_BUS, .parent = TYPE_CXL_BUS, .instance_size = sizeof(PXBBus), - .class_init = pxb_bus_class_init, + .class_init = pxb_cxl_bus_class_init, }; static const char *pxb_host_root_bus_path(PCIHostState *host_bridge,