From patchwork Thu Nov 5 13:39:15 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Gerd Hoffmann X-Patchwork-Id: 11884417 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 B65AF921 for ; Thu, 5 Nov 2020 13:46:24 +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 5D65D2067B for ; Thu, 5 Nov 2020 13:46:24 +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="V/h6UQ1f" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 5D65D2067B 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]:42498 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kafap-0001gc-BI for patchwork-qemu-devel@patchwork.kernel.org; Thu, 05 Nov 2020 08:46:23 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:58480) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kafUN-0001WT-8g for qemu-devel@nongnu.org; Thu, 05 Nov 2020 08:39:43 -0500 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:27388) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1kafUJ-0003Xj-QU for qemu-devel@nongnu.org; Thu, 05 Nov 2020 08:39:42 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1604583579; 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=g+ORTAV4QV7qK7W4rX+ydMFdvM78hX0Yyjib+4Eqz9U=; b=V/h6UQ1fI95S1eECPuHHPeGY3+JOeJ2kSaW28im+MMDN38572gava5B/0/YTWAdugXqbHR ABtbD/mTwxSfLWBwizk+o3fbBarXwI2EsT7gFlYYJsy/4szN28RhdNl0vuxKaaBQsHw1BS VEOF71Q6mqfuWwfxx0E0QWA6HeDeZr0= 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-133-6rAN_pvYMJWBxnC75IGtLA-1; Thu, 05 Nov 2020 08:39:35 -0500 X-MC-Unique: 6rAN_pvYMJWBxnC75IGtLA-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 5F92C1084C80; Thu, 5 Nov 2020 13:39:34 +0000 (UTC) Received: from sirius.home.kraxel.org (ovpn-114-66.ams2.redhat.com [10.36.114.66]) by smtp.corp.redhat.com (Postfix) with ESMTP id 5E87E55798; Thu, 5 Nov 2020 13:39:24 +0000 (UTC) Received: by sirius.home.kraxel.org (Postfix, from userid 1000) id AA7429D17; Thu, 5 Nov 2020 14:39:23 +0100 (CET) From: Gerd Hoffmann To: qemu-devel@nongnu.org Subject: [PATCH v2 04/12] microvm: make number of virtio transports runtime configurable Date: Thu, 5 Nov 2020 14:39:15 +0100 Message-Id: <20201105133923.23821-5-kraxel@redhat.com> In-Reply-To: <20201105133923.23821-1-kraxel@redhat.com> References: <20201105133923.23821-1-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 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=216.205.24.124; envelope-from=kraxel@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/11/05 01:14:53 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_H4=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 , Igor Mammedov , Richard Henderson Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.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 0fc216007777..c5d60bacb5e8 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 @@ -98,6 +97,7 @@ 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 5428448b7059..e92f236bf442 100644 --- a/hw/i386/microvm.c +++ b/hw/i386/microvm.c @@ -178,8 +178,13 @@ 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]);