From mboxrd@z Thu Jan 1 00:00:00 1970 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 lists1p.gnu.org (lists1p.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 A0165CC6B34 for ; Thu, 15 Oct 2026 08:24:20 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists1p.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1xHGkc-0006c5-RP; Thu, 15 Oct 2026 04:23:46 -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 1xHGkU-0006ah-R1 for qemu-devel@nongnu.org; Thu, 15 Oct 2026 04:23:39 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1xHGkR-00076n-SC for qemu-devel@nongnu.org; Thu, 15 Oct 2026 04:23:38 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1792052614; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=gMbH46NIuuR3tz1VhQI6SevZ/s/DcUHVJE6FSXi7Zjw=; b=IMBbbOjJBrjEmEuRoq0h7OkuF5XYkjBjuqZ1sOuaizcZ7Q2GyuCCtB/+3myQc0vDfmUOBl IPkAtb60OsxJhNV3bif3LKouhw/hUeD1EyzJz1rgLmWkKh52NbfIkVEWFnpY4oIZhW7fDK t6B9FzBWWMMymgHSTEZolf0XdqJaKig= Received: from mx-prod-mc-08.mail-002.prod.us-west-2.aws.redhat.com (ec2-35-165-154-97.us-west-2.compute.amazonaws.com [35.165.154.97]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-633-ssRfDCiaNIKxS6Ueaj_SRg-1; Thu, 15 Oct 2026 08:23:32 +0000 X-MC-Unique: ssRfDCiaNIKxS6Ueaj_SRg-1 X-Mimecast-MFC-AGG-ID: ssRfDCiaNIKxS6Ueaj_SRg_1792052611 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-08.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 74C8E180065C; Thu, 15 Oct 2026 08:23:31 +0000 (UTC) Received: from sirius.home.kraxel.org (unknown [10.44.32.37]) by mx-prod-int-01.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id CC228300072E; Thu, 15 Oct 2026 08:23:30 +0000 (UTC) Received: by sirius.home.kraxel.org (Postfix, from userid 1000) id D62011800399; Thu, 15 Oct 2026 10:15:44 +0200 (CEST) From: Gerd Hoffmann To: qemu-devel@nongnu.org Cc: Pierrick Bouvier , "Michael S. Tsirkin" , Gerd Hoffmann Subject: [PATCH 1/2] pci id: clarify pci subsystem id usage Date: Thu, 15 Oct 2026 10:15:43 +0200 Message-ID: <20261015081544.40310-2-kraxel@redhat.com> In-Reply-To: <20261015081544.40310-1-kraxel@redhat.com> References: <20261015081544.40310-1-kraxel@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.4 Received-SPF: pass client-ip=170.10.129.124; envelope-from=kraxel@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -22 X-Spam_score: -2.3 X-Spam_bar: -- X-Spam_report: (-2.3 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.24, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_PASS=-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: qemu development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Qemu uses the pci subsystem id not only for emulated devices, but also for virtio devices and generic pci class devices such as pci bridges, xhci + nvme controllers etc. Update the documentation accordingly. Signed-off-by: Gerd Hoffmann --- docs/specs/pci-ids.rst | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/docs/specs/pci-ids.rst b/docs/specs/pci-ids.rst index 261b0f359fe5..832f8bd1b802 100644 --- a/docs/specs/pci-ids.rst +++ b/docs/specs/pci-ids.rst @@ -46,8 +46,9 @@ maintained as part of the virtio specification. upstream merge or shipping a distro/product) to avoid conflicts. 1af4:1100 - Used as PCI Subsystem ID for existing hardware devices emulated - by QEMU. + Used as PCI Subsystem ID for existing hardware devices emulated by + QEMU, such as the intel chipset devices. Also used for virtio + devices and generic pci class devices (1b36:00xx, see below). 1af4:1110 ivshmem device (:doc:`ivshmem-spec`) -- 2.56.0