From patchwork Tue Sep 15 12:08:57 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Gerd Hoffmann X-Patchwork-Id: 273721 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5C6A5C433E2 for ; Tue, 15 Sep 2020 12:33:27 +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 E905620731 for ; Tue, 15 Sep 2020 12:33:26 +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="AfaWx+pr" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E905620731 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+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:38934 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kIA9G-0006kj-2W for qemu-devel@archiver.kernel.org; Tue, 15 Sep 2020 08:33:26 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:46952) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kI9nr-0005Iy-AN for qemu-devel@nongnu.org; Tue, 15 Sep 2020 08:11:19 -0400 Received: from us-smtp-delivery-124.mimecast.com ([63.128.21.124]:49581) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1kI9na-0007p2-Qz for qemu-devel@nongnu.org; Tue, 15 Sep 2020 08:11:15 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1600171861; 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: in-reply-to:in-reply-to:references:references; bh=q4xqrjBt9+K0AYOcFO9PWCCV/shKCcI1emzHoZPL8Jc=; b=AfaWx+prRkTp3bjUy/cf91tnmf7xnBWgptmdk9toHhsJtmLBvra1Qw2a0K2EtPrwUOWuNH 2LNqCHHX6Hdrbt0Owk2GNrcW6bJti1lCExw8b4KPJdoBL6Ou7F/Ss88n+ErF9ZqvG4dDm/ gZ+oS5wd2GOTQmI0vpWCav9lCvRXI1w= 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-140-FO519XIRON223aaivj0XvA-1; Tue, 15 Sep 2020 08:09:24 -0400 X-MC-Unique: FO519XIRON223aaivj0XvA-1 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 9F37F1009454; Tue, 15 Sep 2020 12:09:23 +0000 (UTC) Received: from sirius.home.kraxel.org (ovpn-112-85.ams2.redhat.com [10.36.112.85]) by smtp.corp.redhat.com (Postfix) with ESMTP id 1E1FB75138; Tue, 15 Sep 2020 12:09:23 +0000 (UTC) Received: by sirius.home.kraxel.org (Postfix, from userid 1000) id DF93B40839; Tue, 15 Sep 2020 14:09:09 +0200 (CEST) From: Gerd Hoffmann To: qemu-devel@nongnu.org Subject: [PATCH v8 09/21] microvm/acpi: add acpi_dsdt_add_virtio() for x86 Date: Tue, 15 Sep 2020 14:08:57 +0200 Message-Id: <20200915120909.20838-10-kraxel@redhat.com> In-Reply-To: <20200915120909.20838-1-kraxel@redhat.com> References: <20200915120909.20838-1-kraxel@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=kraxel@redhat.com X-Mimecast-Spam-Score: 0.002 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=63.128.21.124; envelope-from=kraxel@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/09/15 02:23:19 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -50 X-Spam_score: -5.1 X-Spam_bar: ----- X-Spam_report: (-5.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-2.999, 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_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable 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: Laurent Vivier , Peter Maydell , Thomas Huth , Eduardo Habkost , Sergio Lopez , "Michael S. Tsirkin" , Shannon Zhao , qemu-arm@nongnu.org, Gerd Hoffmann , Paolo Bonzini , Igor Mammedov , Richard Henderson Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Makes x86 linux kernel find virtio-mmio devices automatically. Signed-off-by: Gerd Hoffmann Reviewed-by: Sergio Lopez Reviewed-by: Igor Mammedov --- hw/i386/acpi-microvm.c | 52 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 52 insertions(+) diff --git a/hw/i386/acpi-microvm.c b/hw/i386/acpi-microvm.c index 06ef33949f5f..b9ce3768b263 100644 --- a/hw/i386/acpi-microvm.c +++ b/hw/i386/acpi-microvm.c @@ -21,6 +21,7 @@ */ #include "qemu/osdep.h" +#include "qemu/cutils.h" #include "qapi/error.h" #include "exec/memory.h" @@ -32,10 +33,60 @@ #include "hw/boards.h" #include "hw/i386/fw_cfg.h" #include "hw/i386/microvm.h" +#include "hw/virtio/virtio-mmio.h" #include "acpi-common.h" #include "acpi-microvm.h" +static void acpi_dsdt_add_virtio(Aml *scope, + MicrovmMachineState *mms) +{ + gchar *separator; + long int index; + BusState *bus; + BusChild *kid; + + bus = sysbus_get_default(); + QTAILQ_FOREACH(kid, &bus->children, sibling) { + DeviceState *dev = kid->child; + Object *obj = object_dynamic_cast(OBJECT(dev), TYPE_VIRTIO_MMIO); + + if (obj) { + VirtIOMMIOProxy *mmio = VIRTIO_MMIO(obj); + VirtioBusState *mmio_virtio_bus = &mmio->bus; + BusState *mmio_bus = &mmio_virtio_bus->parent_obj; + + if (QTAILQ_EMPTY(&mmio_bus->children)) { + continue; + } + separator = g_strrstr(mmio_bus->name, "."); + if (!separator) { + continue; + } + if (qemu_strtol(separator + 1, NULL, 10, &index) != 0) { + continue; + } + + uint32_t irq = mms->virtio_irq_base + index; + hwaddr base = VIRTIO_MMIO_BASE + index * 512; + hwaddr size = 512; + + Aml *dev = aml_device("VR%02u", (unsigned)index); + aml_append(dev, aml_name_decl("_HID", aml_string("LNRO0005"))); + aml_append(dev, aml_name_decl("_UID", aml_int(index))); + aml_append(dev, aml_name_decl("_CCA", aml_int(1))); + + Aml *crs = aml_resource_template(); + aml_append(crs, aml_memory32_fixed(base, size, AML_READ_WRITE)); + aml_append(crs, + aml_interrupt(AML_CONSUMER, AML_LEVEL, AML_ACTIVE_HIGH, + AML_EXCLUSIVE, &irq, 1)); + aml_append(dev, aml_name_decl("_CRS", crs)); + aml_append(scope, dev); + } + } +} + static void build_dsdt_microvm(GArray *table_data, BIOSLinker *linker, MicrovmMachineState *mms) @@ -60,6 +111,7 @@ build_dsdt_microvm(GArray *table_data, BIOSLinker *linker, build_ged_aml(sb_scope, GED_DEVICE, HOTPLUG_HANDLER(mms->acpi_dev), GED_MMIO_IRQ, AML_SYSTEM_MEMORY, GED_MMIO_BASE); acpi_dsdt_add_power_button(sb_scope); + acpi_dsdt_add_virtio(sb_scope, mms); aml_append(dsdt, sb_scope); /* ACPI 5.0: Table 7-209 System State Package */