From patchwork Thu Nov 5 13:39:18 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Gerd Hoffmann X-Patchwork-Id: 11884415 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 03B8A921 for ; Thu, 5 Nov 2020 13:46:22 +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 9F0942067B for ; Thu, 5 Nov 2020 13:46:21 +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="aimmhcvy" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 9F0942067B 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]:42234 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kafam-0001a5-B4 for patchwork-qemu-devel@patchwork.kernel.org; Thu, 05 Nov 2020 08:46:20 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:58330) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kafUE-0001Ju-Ng for qemu-devel@nongnu.org; Thu, 05 Nov 2020 08:39:34 -0500 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:59011) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1kafUB-0003Rv-7I for qemu-devel@nongnu.org; Thu, 05 Nov 2020 08:39:34 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1604583569; 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=ocHmmvH58NJwG62968PWSsc3cweYMHIqjocC9w6dLtY=; b=aimmhcvyNIvA++RxXKID5p8nIXgeXjHxlQKnfCK0RVUyvuP9uIFfoMLuYWZqZunW9Is5wQ +F51v/XhtKn/jJ449JpPTmEAes2j3BnpBQoQD2T64v5fXpKUykLZltv6zImWkH1IlEFZwb vwLvIoUvPvwjov/P2+IsW3D8wHLVZ78= 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-497-cFtH4QeeOR-D0vO0Z-Z6mw-1; Thu, 05 Nov 2020 08:39:27 -0500 X-MC-Unique: cFtH4QeeOR-D0vO0Z-Z6mw-1 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 7BA8AE06A6; Thu, 5 Nov 2020 13:39:26 +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 0DE025C22D; Thu, 5 Nov 2020 13:39:26 +0000 (UTC) Received: by sirius.home.kraxel.org (Postfix, from userid 1000) id CCFD89CA5; Thu, 5 Nov 2020 14:39:23 +0100 (CET) From: Gerd Hoffmann To: qemu-devel@nongnu.org Subject: [PATCH v2 07/12] microvm: add second ioapic Date: Thu, 5 Nov 2020 14:39:18 +0100 Message-Id: <20201105133923.23821-8-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 10.5.11.16 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" Create second ioapic, route virtio-mmio IRQs to it, allow more virtio-mmio devices (24 instead of 8). Needs ACPI, enabled by default, can be turned off using -machine ioapic2=off Signed-off-by: Gerd Hoffmann --- include/hw/i386/microvm.h | 2 ++ hw/i386/microvm.c | 51 ++++++++++++++++++++++++++++++++-- tests/qtest/bios-tables-test.c | 8 +++--- 3 files changed, 54 insertions(+), 7 deletions(-) diff --git a/include/hw/i386/microvm.h b/include/hw/i386/microvm.h index f1e9db059b85..f25f8374413f 100644 --- a/include/hw/i386/microvm.h +++ b/include/hw/i386/microvm.h @@ -72,6 +72,7 @@ #define MICROVM_MACHINE_PIC "pic" #define MICROVM_MACHINE_RTC "rtc" #define MICROVM_MACHINE_PCIE "pcie" +#define MICROVM_MACHINE_IOAPIC2 "ioapic2" #define MICROVM_MACHINE_ISA_SERIAL "isa-serial" #define MICROVM_MACHINE_OPTION_ROMS "x-option-roms" #define MICROVM_MACHINE_AUTO_KERNEL_CMDLINE "auto-kernel-cmdline" @@ -90,6 +91,7 @@ struct MicrovmMachineState { OnOffAuto pit; OnOffAuto rtc; OnOffAuto pcie; + OnOffAuto ioapic2; bool isa_serial; bool option_roms; bool auto_kernel_cmdline; diff --git a/hw/i386/microvm.c b/hw/i386/microvm.c index 829b376a1278..cae0d8fc8692 100644 --- a/hw/i386/microvm.c +++ b/hw/i386/microvm.c @@ -145,30 +145,50 @@ static void create_gpex(MicrovmMachineState *mms) } } +static int microvm_ioapics(MicrovmMachineState *mms) +{ + if (!x86_machine_is_acpi_enabled(X86_MACHINE(mms))) { + return 1; + } + if (mms->ioapic2 == ON_OFF_AUTO_OFF) { + return 1; + } + return 2; +} + static void microvm_devices_init(MicrovmMachineState *mms) { X86MachineState *x86ms = X86_MACHINE(mms); ISABus *isa_bus; ISADevice *rtc_state; GSIState *gsi_state; + int ioapics; int i; /* Core components */ - + ioapics = microvm_ioapics(mms); gsi_state = g_malloc0(sizeof(*gsi_state)); - x86ms->gsi = qemu_allocate_irqs(gsi_handler, gsi_state, GSI_NUM_PINS); + x86ms->gsi = qemu_allocate_irqs(gsi_handler, gsi_state, + IOAPIC_NUM_PINS * ioapics); isa_bus = isa_bus_new(NULL, get_system_memory(), get_system_io(), &error_abort); isa_bus_irqs(isa_bus, x86ms->gsi); ioapic_init_gsi(gsi_state, "machine"); + if (ioapics > 1) { + x86ms->ioapic2 = ioapic_init_secondary(gsi_state); + } kvmclock_create(true); mms->virtio_irq_base = 5; mms->virtio_num_transports = 8; - if (x86_machine_is_acpi_enabled(x86ms)) { + if (x86ms->ioapic2) { + mms->pcie_irq_base = 16; + mms->virtio_irq_base = 24; + mms->virtio_num_transports = 24; + } else if (x86_machine_is_acpi_enabled(x86ms)) { mms->pcie_irq_base = 12; mms->virtio_irq_base = 16; } @@ -544,6 +564,23 @@ static void microvm_machine_set_pcie(Object *obj, Visitor *v, const char *name, visit_type_OnOffAuto(v, name, &mms->pcie, errp); } +static void microvm_machine_get_ioapic2(Object *obj, Visitor *v, const char *name, + void *opaque, Error **errp) +{ + MicrovmMachineState *mms = MICROVM_MACHINE(obj); + OnOffAuto ioapic2 = mms->ioapic2; + + visit_type_OnOffAuto(v, name, &ioapic2, errp); +} + +static void microvm_machine_set_ioapic2(Object *obj, Visitor *v, const char *name, + void *opaque, Error **errp) +{ + MicrovmMachineState *mms = MICROVM_MACHINE(obj); + + visit_type_OnOffAuto(v, name, &mms->ioapic2, errp); +} + static bool microvm_machine_get_isa_serial(Object *obj, Error **errp) { MicrovmMachineState *mms = MICROVM_MACHINE(obj); @@ -620,6 +657,7 @@ static void microvm_machine_initfn(Object *obj) mms->pit = ON_OFF_AUTO_AUTO; mms->rtc = ON_OFF_AUTO_AUTO; mms->pcie = ON_OFF_AUTO_AUTO; + mms->ioapic2 = ON_OFF_AUTO_AUTO; mms->isa_serial = true; mms->option_roms = true; mms->auto_kernel_cmdline = true; @@ -693,6 +731,13 @@ static void microvm_class_init(ObjectClass *oc, void *data) object_class_property_set_description(oc, MICROVM_MACHINE_PCIE, "Enable PCIe"); + object_class_property_add(oc, MICROVM_MACHINE_IOAPIC2, "OnOffAuto", + microvm_machine_get_ioapic2, + microvm_machine_set_ioapic2, + NULL, NULL); + object_class_property_set_description(oc, MICROVM_MACHINE_IOAPIC2, + "Enable second IO-APIC"); + object_class_property_add_bool(oc, MICROVM_MACHINE_ISA_SERIAL, microvm_machine_get_isa_serial, microvm_machine_set_isa_serial); diff --git a/tests/qtest/bios-tables-test.c b/tests/qtest/bios-tables-test.c index f23a5335a875..0a0ce76ffcf9 100644 --- a/tests/qtest/bios-tables-test.c +++ b/tests/qtest/bios-tables-test.c @@ -1115,7 +1115,7 @@ static void test_acpi_microvm_tcg(void) test_data data; test_acpi_microvm_prepare(&data); - test_acpi_one(" -machine microvm,acpi=on,rtc=off", + test_acpi_one(" -machine microvm,acpi=on,ioapic2=off,rtc=off", &data); free_test_data(&data); } @@ -1126,7 +1126,7 @@ static void test_acpi_microvm_usb_tcg(void) test_acpi_microvm_prepare(&data); data.variant = ".usb"; - test_acpi_one(" -machine microvm,acpi=on,usb=on,rtc=off", + test_acpi_one(" -machine microvm,acpi=on,ioapic2=off,usb=on,rtc=off", &data); free_test_data(&data); } @@ -1137,7 +1137,7 @@ static void test_acpi_microvm_rtc_tcg(void) test_acpi_microvm_prepare(&data); data.variant = ".rtc"; - test_acpi_one(" -machine microvm,acpi=on,rtc=on", + test_acpi_one(" -machine microvm,acpi=on,ioapic2=off,rtc=on", &data); free_test_data(&data); } @@ -1149,7 +1149,7 @@ static void test_acpi_microvm_pcie_tcg(void) test_acpi_microvm_prepare(&data); data.variant = ".pcie"; data.tcg_only = true; /* need constant host-phys-bits */ - test_acpi_one(" -machine microvm,acpi=on,rtc=off,pcie=on", + test_acpi_one(" -machine microvm,acpi=on,ioapic2=off,rtc=off,pcie=on", &data); free_test_data(&data); }