From patchwork Fri Oct 16 11:43:25 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Gerd Hoffmann X-Patchwork-Id: 271134 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 5AE7FC433DF for ; Fri, 16 Oct 2020 11:48:36 +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 944D32084C for ; Fri, 16 Oct 2020 11:48:35 +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="HfyR+Sqn" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 944D32084C 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]:39050 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kTODq-0000HV-7A for qemu-devel@archiver.kernel.org; Fri, 16 Oct 2020 07:48:34 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:33292) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kTO9A-0002Lw-3w for qemu-devel@nongnu.org; Fri, 16 Oct 2020 07:43:44 -0400 Received: from us-smtp-delivery-124.mimecast.com ([63.128.21.124]:25245) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1kTO98-0002Ez-9L for qemu-devel@nongnu.org; Fri, 16 Oct 2020 07:43:43 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1602848621; 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=7n9AqGVaGzPTAWJH2VRtnK1oRJEqNaPfQpn1YdvIyTs=; b=HfyR+SqnRWZbaA0R3SVDDcz57mEnnkTmygjaVoJS3NWOpMvhbYkYeQiPL9deUSZo3Mjmm2 4r//e7Mis01oB1PUm1T5gsaYwFa5+ZtYcDX3AV1UQT1Ln0INrC3BsNh2uHjDE2tq+kAkpZ lG6JjSE87ougkbdah8gJvqTl+OK5ihA= 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-96-hrRVvtaqP4ycfSJa6s9ZbQ-1; Fri, 16 Oct 2020 07:43:39 -0400 X-MC-Unique: hrRVvtaqP4ycfSJa6s9ZbQ-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 8A97C86ABD9; Fri, 16 Oct 2020 11:43:38 +0000 (UTC) Received: from sirius.home.kraxel.org (ovpn-112-56.ams2.redhat.com [10.36.112.56]) by smtp.corp.redhat.com (Postfix) with ESMTP id 31D0010013DB; Fri, 16 Oct 2020 11:43:29 +0000 (UTC) Received: by sirius.home.kraxel.org (Postfix, from userid 1000) id 50A521750A; Fri, 16 Oct 2020 13:43:28 +0200 (CEST) From: Gerd Hoffmann To: qemu-devel@nongnu.org Subject: [PATCH 1/4] microvm: make number of virtio transports runtime configurable Date: Fri, 16 Oct 2020 13:43:25 +0200 Message-Id: <20201016114328.18835-2-kraxel@redhat.com> In-Reply-To: <20201016114328.18835-1-kraxel@redhat.com> References: <20201016114328.18835-1-kraxel@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=kraxel@redhat.com X-Mimecast-Spam-Score: 0 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 = 2020/10/16 03:57:19 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, 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=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: Eduardo Habkost , Sergio Lopez , "Michael S. Tsirkin" , Gerd Hoffmann , Paolo Bonzini , Richard Henderson Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Signed-off-by: Gerd Hoffmann --- include/hw/i386/microvm.h | 2 +- hw/i386/microvm.c | 9 +++++++-- 2 files changed, 8 insertions(+), 3 deletions(-) diff --git a/include/hw/i386/microvm.h b/include/hw/i386/microvm.h index 91b064575d55..0154ad5bd707 100644 --- a/include/hw/i386/microvm.h +++ b/include/hw/i386/microvm.h @@ -52,7 +52,6 @@ /* Platform virtio definitions */ #define VIRTIO_MMIO_BASE 0xfeb00000 -#define VIRTIO_NUM_TRANSPORTS 8 #define VIRTIO_CMDLINE_MAXLEN 64 #define GED_MMIO_BASE 0xfea00000 @@ -95,6 +94,7 @@ struct MicrovmMachineState { /* Machine state */ uint32_t virtio_irq_base; + uint32_t virtio_num_transports; bool kernel_cmdline_fixed; Notifier machine_done; Notifier powerdown_req; diff --git a/hw/i386/microvm.c b/hw/i386/microvm.c index 9dd74458aca4..eaf5da31f7e1 100644 --- a/hw/i386/microvm.c +++ b/hw/i386/microvm.c @@ -177,8 +177,13 @@ static void microvm_devices_init(MicrovmMachineState *mms) kvmclock_create(true); - mms->virtio_irq_base = x86_machine_is_acpi_enabled(x86ms) ? 16 : 5; - for (i = 0; i < VIRTIO_NUM_TRANSPORTS; i++) { + mms->virtio_irq_base = 5; + mms->virtio_num_transports = 8; + if (x86_machine_is_acpi_enabled(x86ms)) { + mms->virtio_irq_base = 16; + } + + for (i = 0; i < mms->virtio_num_transports; i++) { sysbus_create_simple("virtio-mmio", VIRTIO_MMIO_BASE + i * 512, x86ms->gsi[mms->virtio_irq_base + i]);