From patchwork Wed Jul 8 22:46:10 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Julia Suvorova X-Patchwork-Id: 11652929 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id D571E618 for ; Wed, 8 Jul 2020 23:02:39 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id ACBE8206DF for ; Wed, 8 Jul 2020 23:02:39 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="V56AhjCs" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org ACBE8206DF Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Received: from localhost ([::1]:51052 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jtJ5K-0008OL-UT for patchwork-qemu-devel@patchwork.kernel.org; Wed, 08 Jul 2020 19:02:38 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:54656) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jtIpw-0001sN-G4 for qemu-devel@nongnu.org; Wed, 08 Jul 2020 18:46:44 -0400 Received: from us-smtp-delivery-1.mimecast.com ([205.139.110.120]:32169 helo=us-smtp-1.mimecast.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1jtIpu-0004SM-47 for qemu-devel@nongnu.org; Wed, 08 Jul 2020 18:46:43 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1594248400; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=c21gzZM4SEQJIM8rVcxiVmksYzojO+Ev7lGfeqEXypg=; b=V56AhjCsHsD+AV7mxja0GKz7N8mtf6eQxVTUfWnHctqvA/wykFexYb5whzOXZLdYQqKOBH TTKGGt9UJVEmyonazvO5pJ1zKhFh6n6D/YunChZmikvi8+rmadLrINEk3scRnU6nDnd1/y kpY7Y3VMQXxc9Rsnaw2QALD6T6t5JIQ= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-412-PK_6pGIPPL2bUL3zQzP4mg-1; Wed, 08 Jul 2020 18:46:38 -0400 X-MC-Unique: PK_6pGIPPL2bUL3zQzP4mg-1 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id C65D71005504; Wed, 8 Jul 2020 22:46:37 +0000 (UTC) Received: from localhost.com (unknown [10.40.192.44]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 97D5510016E8; Wed, 8 Jul 2020 22:46:30 +0000 (UTC) From: Julia Suvorova To: qemu-devel@nongnu.org Subject: [RFC PATCH 0/5] Use ACPI PCI hot-plug for q35 Date: Thu, 9 Jul 2020 00:46:10 +0200 Message-Id: <20200708224615.114077-1-jusual@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=jusual@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=205.139.110.120; envelope-from=jusual@redhat.com; helo=us-smtp-1.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/07/07 17:25:11 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -28 X-Spam_score: -2.9 X-Spam_bar: -- X-Spam_report: (-2.9 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-1, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_FAKE_HELO_DOTCOM=1.189, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Igor Mammedov , Julia Suvorova , "Michael S. Tsirkin" Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" PCIe native hot-plug has numerous problems with racing events and unpredictable guest behaviour (Windows). Switching to ACPI hot-plug for now. Tested on RHEL 8 and Windows 2019. pxb-pcie is not yet supported. Julia Suvorova (5): hw/acpi/pcihp: Introduce find_host() hw/acpi/ich9: Trace ich9_gpe_readb()/writeb() hw/i386/acpi-build: Add ACPI PCI hot-plug methods to q35 hw/i386/acpi-build: Turn off support of PCIe native hot-plug and SHPC in _OSC hw/acpi/ich9: Enable ACPI PCI hot-plug hw/i386/acpi-build.h | 2 ++ include/hw/acpi/ich9.h | 3 +++ hw/acpi/ich9.c | 52 +++++++++++++++++++++++++++++++++++++++++- hw/acpi/pcihp.c | 16 ++++++++++++- hw/i386/acpi-build.c | 34 +++++++++++++++++---------- hw/i386/pc.c | 4 +++- hw/acpi/trace-events | 4 ++++ 7 files changed, 100 insertions(+), 15 deletions(-)