From patchwork Wed Oct 21 13:13:53 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eduardo Habkost X-Patchwork-Id: 1385532 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (1024-bit key; unprotected) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256 header.s=mimecast20190719 header.b=dv5aAc27; dkim-atps=neutral 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 ozlabs.org (Postfix) with ESMTPS id 4CGWDN0Hntz9sPB for ; Thu, 22 Oct 2020 00:14:28 +1100 (AEDT) Received: from localhost ([::1]:52300 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kVDwg-0008II-2T for incoming@patchwork.ozlabs.org; Wed, 21 Oct 2020 09:14:26 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:57364) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kVDwO-0008I1-Nr for qemu-devel@nongnu.org; Wed, 21 Oct 2020 09:14:08 -0400 Received: from us-smtp-delivery-124.mimecast.com ([63.128.21.124]:50657) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1kVDwM-0002Qz-VR for qemu-devel@nongnu.org; Wed, 21 Oct 2020 09:14:08 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1603286045; 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=6VuAl8JYhm/kiRIitf2JUIpD+BQiwdpzW9TZ+Y3yVC8=; b=dv5aAc27muBXUs+cYwKkPIr9B11S1OsPSqjQyfnNdTEFTPJtczbvEHOS5inP8DwzIacPN0 E8q7KExHfk/wB466WyjmLAvrSIv4Tsq9gY7B0Qrtbnt7ZCLZfAecJvtA77Mfc6R8PFEJt/ kJKxcMZ9ChsQKjGVie7CuOEpDyOFwhE= 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-252-uN2PceVhOB60Drkquq4QWA-1; Wed, 21 Oct 2020 09:14:02 -0400 X-MC-Unique: uN2PceVhOB60Drkquq4QWA-1 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id B22DE10A0B81; Wed, 21 Oct 2020 13:14:01 +0000 (UTC) Received: from localhost (ovpn-66-44.rdu2.redhat.com [10.10.66.44]) by smtp.corp.redhat.com (Postfix) with ESMTP id 2CBCD60DA0; Wed, 21 Oct 2020 13:13:54 +0000 (UTC) From: Eduardo Habkost To: qemu-devel@nongnu.org Subject: [PATCH v2] pc: Implement -no-hpet as sugar for -machine allow-hpet=no Date: Wed, 21 Oct 2020 09:13:53 -0400 Message-Id: <20201021131353.1450143-1-ehabkost@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=ehabkost@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=63.128.21.124; envelope-from=ehabkost@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/10/20 22:12:28 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 , "Michael S. Tsirkin" , Markus Armbruster , Paolo Bonzini , John Snow , Richard Henderson Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" Get rid of yet another global variable. Signed-off-by: Eduardo Habkost --- Changes v1 -> v2: * Rename property to "allow-hpet" to make its semantic clearer, as it won't make sure HPET is created if CONFIG_HPET=n --- include/hw/i386/pc.h | 1 + include/hw/i386/x86.h | 3 --- hw/i386/pc.c | 21 ++++++++++++++++++++- hw/i386/pc_piix.c | 2 +- softmmu/vl.c | 4 ++-- 5 files changed, 24 insertions(+), 7 deletions(-) diff --git a/include/hw/i386/pc.h b/include/hw/i386/pc.h index 84639d0ebc..b18f83d92f 100644 --- a/include/hw/i386/pc.h +++ b/include/hw/i386/pc.h @@ -43,6 +43,7 @@ typedef struct PCMachineState { bool smbus_enabled; bool sata_enabled; bool pit_enabled; + bool hpet_allowed; /* NUMA information: */ uint64_t numa_nodes; diff --git a/include/hw/i386/x86.h b/include/hw/i386/x86.h index d5dcf7a07f..4e66a15ff5 100644 --- a/include/hw/i386/x86.h +++ b/include/hw/i386/x86.h @@ -124,7 +124,4 @@ qemu_irq x86_allocate_cpu_irq(void); void gsi_handler(void *opaque, int n, int level); void ioapic_init_gsi(GSIState *gsi_state, const char *parent_name); -/* hpet.c */ -extern int no_hpet; - #endif diff --git a/hw/i386/pc.c b/hw/i386/pc.c index 4e323755d0..48a58fcfb3 100644 --- a/hw/i386/pc.c +++ b/hw/i386/pc.c @@ -1142,7 +1142,8 @@ void pc_basic_device_init(struct PCMachineState *pcms, * Without KVM_CAP_PIT_STATE2, we cannot switch off the in-kernel PIT * when the HPET wants to take over. Thus we have to disable the latter. */ - if (!no_hpet && (!kvm_irqchip_in_kernel() || kvm_has_pit_state2())) { + if (pcms->hpet_allowed && (!kvm_irqchip_in_kernel() || + kvm_has_pit_state2())) { hpet = qdev_try_new(TYPE_HPET); if (hpet) { /* For pc-piix-*, hpet's intcap is always IRQ2. For pc-q35-1.7 @@ -1535,6 +1536,20 @@ static void pc_machine_set_pit(Object *obj, bool value, Error **errp) pcms->pit_enabled = value; } +static bool pc_machine_get_hpet_allowed(Object *obj, Error **errp) +{ + PCMachineState *pcms = PC_MACHINE(obj); + + return pcms->hpet_allowed; +} + +static void pc_machine_set_hpet_allowed(Object *obj, bool value, Error **errp) +{ + PCMachineState *pcms = PC_MACHINE(obj); + + pcms->hpet_allowed = value; +} + static void pc_machine_get_max_ram_below_4g(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) @@ -1585,6 +1600,7 @@ static void pc_machine_initfn(Object *obj) pcms->smbus_enabled = true; pcms->sata_enabled = true; pcms->pit_enabled = true; + pcms->hpet_allowed = true; pc_system_flash_create(pcms); pcms->pcspk = isa_new(TYPE_PC_SPEAKER); @@ -1705,6 +1721,9 @@ static void pc_machine_class_init(ObjectClass *oc, void *data) object_class_property_add_bool(oc, PC_MACHINE_PIT, pc_machine_get_pit, pc_machine_set_pit); + + object_class_property_add_bool(oc, "allow-hpet", + pc_machine_get_hpet_allowed, pc_machine_set_hpet_allowed); } static const TypeInfo pc_machine_info = { diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c index 0cf22a57ad..3b26364dcf 100644 --- a/hw/i386/pc_piix.c +++ b/hw/i386/pc_piix.c @@ -216,7 +216,7 @@ static void pc_init1(MachineState *machine, i440fx_state = NULL; isa_bus = isa_bus_new(NULL, get_system_memory(), system_io, &error_abort); - no_hpet = 1; + pcms->hpet_allowed = false; } isa_bus_irqs(isa_bus, x86ms->gsi); diff --git a/softmmu/vl.c b/softmmu/vl.c index cb476aa70b..2831804290 100644 --- a/softmmu/vl.c +++ b/softmmu/vl.c @@ -146,7 +146,6 @@ static Chardev **serial_hds; Chardev *parallel_hds[MAX_PARALLEL_PORTS]; int win2k_install_hack = 0; int singlestep = 0; -int no_hpet = 0; int fd_bootchk = 1; static int no_reboot; int no_shutdown = 0; @@ -3562,7 +3561,8 @@ void qemu_init(int argc, char **argv, char **envp) qemu_opts_parse_noisily(olist, "acpi=off", false); break; case QEMU_OPTION_no_hpet: - no_hpet = 1; + olist = qemu_find_opts("machine"); + qemu_opts_parse_noisily(olist, "allow-hpet=no", false); break; case QEMU_OPTION_no_reboot: no_reboot = 1;