From patchwork Mon Sep 16 17:10:06 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jonathan Cameron X-Patchwork-Id: 13805669 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 8DFD5C3ABB2 for ; Mon, 16 Sep 2024 17:11:53 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sqFFg-0003L1-5r; Mon, 16 Sep 2024 13:11:04 -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 1sqFFe-0003KW-Aj for qemu-devel@nongnu.org; Mon, 16 Sep 2024 13:11:02 -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 1sqFFc-0000nW-Se for qemu-devel@nongnu.org; Mon, 16 Sep 2024 13:11:02 -0400 Received: from mail.maildlp.com (unknown [172.18.186.231]) by frasgout.his.huawei.com (SkyGuard) with ESMTP id 4X6rz117Bqz6K6ZC; Tue, 17 Sep 2024 01:10:53 +0800 (CST) Received: from frapeml500008.china.huawei.com (unknown [7.182.85.71]) by mail.maildlp.com (Postfix) with ESMTPS id C813E140AB8; Tue, 17 Sep 2024 01:10:57 +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 19:10:54 +0200 To: , , Markus Armbruster , , CC: , , , , Richard Henderson , Dave Jiang , Huang Ying , Paolo Bonzini , , Michael Roth , Ani Sinha Subject: [PATCH v6 01/15] hw/acpi: Fix ordering of BDF in Generic Initiator PCI Device Handle. Date: Mon, 16 Sep 2024 18:10:06 +0100 Message-ID: <20240916171017.1841767-2-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> MIME-Version: 1.0 X-Originating-IP: [10.122.19.247] X-ClientProxiedBy: lhrpeml100003.china.huawei.com (7.191.160.210) To frapeml500008.china.huawei.com (7.182.85.71) Received-SPF: pass client-ip=185.176.79.56; envelope-from=jonathan.cameron@huawei.com; helo=frasgout.his.huawei.com X-Spam_score_int: -51 X-Spam_score: -5.2 X-Spam_bar: ----- X-Spam_report: (-5.2 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H2=-1.048, 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 The ordering in ACPI specification [1] has bus number in the lowest byte. As ACPI tables are little endian this is the reverse of the ordering used by PCI_BUILD_BDF(). As a minimal fix split the QEMU BDF up into bus and devfn and write them as single bytes in the correct order. [1] ACPI Spec 6.3, Table 5.80 Fixes: 0a5b5acdf2d8 ("hw/acpi: Implement the SRAT GI affinity structure") Reviewed-by: Igor Mammedov Tested-by: "Huang, Ying" Signed-off-by: Jonathan Cameron --- hw/acpi/acpi_generic_initiator.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/hw/acpi/acpi_generic_initiator.c b/hw/acpi/acpi_generic_initiator.c index 17b9a052f5..3d2b567999 100644 --- a/hw/acpi/acpi_generic_initiator.c +++ b/hw/acpi/acpi_generic_initiator.c @@ -92,7 +92,8 @@ build_srat_generic_pci_initiator_affinity(GArray *table_data, int node, /* Device Handle - PCI */ build_append_int_noprefix(table_data, handle->segment, 2); - build_append_int_noprefix(table_data, handle->bdf, 2); + build_append_int_noprefix(table_data, PCI_BUS_NUM(handle->bdf), 1); + build_append_int_noprefix(table_data, PCI_BDF_TO_DEVFN(handle->bdf), 1); for (index = 0; index < 12; index++) { build_append_int_noprefix(table_data, 0, 1); }