From patchwork Mon Sep 16 17:10:14 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jonathan Cameron X-Patchwork-Id: 13805688 Received: from frasgout.his.huawei.com (frasgout.his.huawei.com [185.176.79.56]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C435E15AAD7 for ; Mon, 16 Sep 2024 17:15:40 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=185.176.79.56 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1726506942; cv=none; b=aMh8gb4QEq730YIpqYarc8tvmFf3ApFBxc6yWQ62Fk1qMLhTiw7zdZp77V/AZtXPmn5F1KM4cLiELur95y4HtThKNR2UCpeavO0gaD2nPmCQXOE9NehgDq/plCHcPHYzdTQPpROI+/gwjhNPBnT8mC2qN6xH3HswGEVvt4qKJxs= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1726506942; c=relaxed/simple; bh=01ZRlvOWEgHI4VqhCDdNvvbN2D64ZHkgSUUo7cXZsG8=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=CFaC+XV7qAA7PDPqx3ov6aFTxtXZmplDGf04tVFXlwILgdo4TzrMKK6tbHT7zvoy30CauUZ8XchpxREPSj442gSPdArB/WdPVk5SvxPl5OB4TztS9TuMipET8l10vjzmCBKlVgWkgyjX5Ka0aYVa/2s52w3YoMasD1sg06RwJrE= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=huawei.com; spf=pass smtp.mailfrom=huawei.com; arc=none smtp.client-ip=185.176.79.56 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=huawei.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=huawei.com Received: from mail.maildlp.com (unknown [172.18.186.216]) by frasgout.his.huawei.com (SkyGuard) with ESMTP id 4X6s0B0DjZz6LD7S; Tue, 17 Sep 2024 01:11:54 +0800 (CST) Received: from frapeml500008.china.huawei.com (unknown [7.182.85.71]) by mail.maildlp.com (Postfix) with ESMTPS id 06C94140CF4; Tue, 17 Sep 2024 01:15:39 +0800 (CST) Received: from SecurePC-101-06.china.huawei.com (10.122.19.247) by frapeml500008.china.huawei.com (7.182.85.71) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.1.2507.39; Mon, 16 Sep 2024 19:15:35 +0200 From: Jonathan Cameron To: , , Markus Armbruster , , CC: , , , , Richard Henderson , Dave Jiang , Huang Ying , Paolo Bonzini , , Michael Roth , Ani Sinha Subject: [PATCH v6 09/15] hw/pci-host/gpex-acpi: Use acpi_uid property. Date: Mon, 16 Sep 2024 18:10:14 +0100 Message-ID: <20240916171017.1841767-10-Jonathan.Cameron@huawei.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240916171017.1841767-1-Jonathan.Cameron@huawei.com> References: <20240916171017.1841767-1-Jonathan.Cameron@huawei.com> Precedence: bulk X-Mailing-List: linux-cxl@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ClientProxiedBy: lhrpeml100003.china.huawei.com (7.191.160.210) To frapeml500008.china.huawei.com (7.182.85.71) Reduce the direct use of PCI internals inside ACPI table creation. Suggested-by: Igor Mammedov Tested-by: "Huang, Ying" Reviewed-by: Igor Mammedov Signed-off-by: Jonathan Cameron --- hw/pci-host/gpex-acpi.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/hw/pci-host/gpex-acpi.c b/hw/pci-host/gpex-acpi.c index 391fabb8a8..e8b4c64c5f 100644 --- a/hw/pci-host/gpex-acpi.c +++ b/hw/pci-host/gpex-acpi.c @@ -141,6 +141,7 @@ void acpi_dsdt_add_gpex(Aml *scope, struct GPEXConfig *cfg) QLIST_FOREACH(bus, &bus->child, sibling) { uint8_t bus_num = pci_bus_num(bus); uint8_t numa_node = pci_bus_numa_node(bus); + uint32_t uid; bool is_cxl = pci_bus_is_cxl(bus); if (!pci_bus_is_root(bus)) { @@ -156,6 +157,8 @@ void acpi_dsdt_add_gpex(Aml *scope, struct GPEXConfig *cfg) nr_pcie_buses = bus_num; } + uid = object_property_get_uint(OBJECT(bus), "acpi_uid", + &error_fatal); dev = aml_device("PC%.02X", bus_num); if (is_cxl) { struct Aml *pkg = aml_package(2); @@ -168,7 +171,7 @@ void acpi_dsdt_add_gpex(Aml *scope, struct GPEXConfig *cfg) aml_append(dev, aml_name_decl("_CID", aml_string("PNP0A03"))); } aml_append(dev, aml_name_decl("_BBN", aml_int(bus_num))); - aml_append(dev, aml_name_decl("_UID", aml_int(bus_num))); + aml_append(dev, aml_name_decl("_UID", aml_int(uid))); aml_append(dev, aml_name_decl("_STR", aml_unicode("pxb Device"))); aml_append(dev, aml_name_decl("_CCA", aml_int(1))); if (numa_node != NUMA_NODE_UNASSIGNED) {