From patchwork Tue Aug 18 21:52:23 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Julia Suvorova X-Patchwork-Id: 11722231 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 C7DDA618 for ; Tue, 18 Aug 2020 21:56:07 +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 9E0E220709 for ; Tue, 18 Aug 2020 21:56:07 +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="eMxOakTq" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 9E0E220709 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]:50536 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1k89aP-0002n3-Sc for patchwork-qemu-devel@patchwork.kernel.org; Tue, 18 Aug 2020 17:56:06 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:48626) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1k89ZU-00018U-2h for qemu-devel@nongnu.org; Tue, 18 Aug 2020 17:55:08 -0400 Received: from us-smtp-delivery-1.mimecast.com ([207.211.31.120]:25959 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 1k89ZR-0007fV-UW for qemu-devel@nongnu.org; Tue, 18 Aug 2020 17:55:07 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1597787703; 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=qLLQXtaXRbT1qps1CfEUDptEEVRC30jtIOlMpqJninM=; b=eMxOakTq/dtrw2ADKfSZG7g1Glf280zPeYqPuJ46itFYWDmENnKi9y3Fqa+IAuVo38fZFy Dkw+DzBj3gCuLIg/uAz24QEaiqmFxVDbG0eKQAc0F579GSMlRupteT2IEnkNKoSQHbEbbl hoHO9iq0QEr+FXRCO+AWanrENivyTIU= 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-79-Kj4yYr5jM52vSxQUmQNJeQ-1; Tue, 18 Aug 2020 17:54:59 -0400 X-MC-Unique: Kj4yYr5jM52vSxQUmQNJeQ-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 F4229425CC; Tue, 18 Aug 2020 21:54:58 +0000 (UTC) Received: from localhost.localdomain.com (unknown [10.43.2.201]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 3B73A10027AB; Tue, 18 Aug 2020 21:54:48 +0000 (UTC) From: Julia Suvorova To: qemu-devel@nongnu.org Subject: [RFC PATCH v2 0/4] Use ACPI PCI hot-plug for q35 Date: Tue, 18 Aug 2020 23:52:23 +0200 Message-Id: <20200818215227.181654-1-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: 0.001 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=207.211.31.120; envelope-from=jusual@redhat.com; helo=us-smtp-1.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/08/18 17:55:03 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -30 X-Spam_score: -3.1 X-Spam_bar: --- X-Spam_report: (-3.1 / 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_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, 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: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Igor Mammedov , Julia Suvorova , Gerd Hoffmann , "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. v2: * new ioport range for acpiphp [Gerd] * drop find_pci_host() [Igor] * explain magic numbers in _OSC [Igor] * drop build_q35_pci_hotplug() wrapper [Igor] Julia Suvorova (4): 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 | 12 ++++++++++ include/hw/acpi/ich9.h | 3 +++ include/hw/acpi/pcihp.h | 3 ++- hw/acpi/ich9.c | 52 ++++++++++++++++++++++++++++++++++++++++- hw/acpi/pcihp.c | 15 ++++++++---- hw/acpi/piix4.c | 2 +- hw/i386/acpi-build.c | 48 +++++++++++++++++++++++-------------- hw/i386/pc.c | 1 + hw/acpi/trace-events | 4 ++++ 9 files changed, 114 insertions(+), 26 deletions(-)