From patchwork Wed Oct 21 14:46:29 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eduardo Habkost X-Patchwork-Id: 270786 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 56B08C388F9 for ; Wed, 21 Oct 2020 14:52:25 +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 90DE12053B for ; Wed, 21 Oct 2020 14:52:24 +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="WIkcqNpy" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 90DE12053B 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]:39270 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kVFTT-00012G-7y for qemu-devel@archiver.kernel.org; Wed, 21 Oct 2020 10:52:23 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:55354) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kVFOl-00049d-4I for qemu-devel@nongnu.org; Wed, 21 Oct 2020 10:47:31 -0400 Received: from us-smtp-delivery-124.mimecast.com ([63.128.21.124]:23835) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1kVFOj-0006Yz-03 for qemu-devel@nongnu.org; Wed, 21 Oct 2020 10:47:30 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1603291648; 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=Jf537lw3PJANIZbpIvuw6YG8fiRPFoCxmfaKHCs3go8=; b=WIkcqNpyGihpOA5ScFcCb7++KOm0eGEIgjwZ3N9KmkzrcUZ/xf/7hEkphTBkBPd25OSCsh l8ry17YqPfi/Cshzr+C9f2IzIweHltIobx8KKSAV12YwZEqvrVxFV+p2DYeejOYBY+pNsK HKrfNHMVvtWWqhAHBsDEYBZ0xk1e/q0= 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-332-tQeNLj6kMbqMh2fu4FAuFA-1; Wed, 21 Oct 2020 10:47:25 -0400 X-MC-Unique: tQeNLj6kMbqMh2fu4FAuFA-1 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id D501C18A8225; Wed, 21 Oct 2020 14:47:24 +0000 (UTC) Received: from localhost (ovpn-66-44.rdu2.redhat.com [10.10.66.44]) by smtp.corp.redhat.com (Postfix) with ESMTP id 425BA5D9DD; Wed, 21 Oct 2020 14:47:21 +0000 (UTC) From: Eduardo Habkost To: qemu-devel@nongnu.org Subject: [PATCH v3] pc: Implement -no-hpet as sugar for -machine allow-hpet=no Date: Wed, 21 Oct 2020 10:46:29 -0400 Message-Id: <20201021144629.1535871-1-ehabkost@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 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+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Get rid of yet another global variable. Signed-off-by: Eduardo Habkost --- Changes v2 -> v3: * Revert v2 changes (use "hpet" property), plus: * Default to hpet=off if CONFIG_HPET=n * Error out if creation of HPET device fails and hpet=on 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 * Use qdev_new(TYPE_HPET) at pc_basic_device_init() --- include/hw/i386/pc.h | 1 + include/hw/i386/x86.h | 3 --- hw/i386/pc.c | 61 +++++++++++++++++++++++++++++-------------- hw/i386/pc_piix.c | 2 +- softmmu/vl.c | 4 +-- 5 files changed, 46 insertions(+), 25 deletions(-) diff --git a/include/hw/i386/pc.h b/include/hw/i386/pc.h index 84639d0ebc..911e460097 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_enabled; /* 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..416fb0e0f6 100644 --- a/hw/i386/pc.c +++ b/hw/i386/pc.c @@ -1142,28 +1142,31 @@ 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_enabled && (!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 - * and earlier, use IRQ2 for compat. Otherwise, use IRQ16~23, - * IRQ8 and IRQ2. - */ - uint8_t compat = object_property_get_uint(OBJECT(hpet), - HPET_INTCAP, NULL); - if (!compat) { - qdev_prop_set_uint32(hpet, HPET_INTCAP, hpet_irqs); - } - sysbus_realize_and_unref(SYS_BUS_DEVICE(hpet), &error_fatal); - sysbus_mmio_map(SYS_BUS_DEVICE(hpet), 0, HPET_BASE); + if (!hpet) { + error_report("couldn't create HPET device"); + exit(1); + } + /* For pc-piix-*, hpet's intcap is always IRQ2. For pc-q35-1.7 + * and earlier, use IRQ2 for compat. Otherwise, use IRQ16~23, + * IRQ8 and IRQ2. + */ + uint8_t compat = object_property_get_uint(OBJECT(hpet), + HPET_INTCAP, NULL); + if (!compat) { + qdev_prop_set_uint32(hpet, HPET_INTCAP, hpet_irqs); + } + sysbus_realize_and_unref(SYS_BUS_DEVICE(hpet), &error_fatal); + sysbus_mmio_map(SYS_BUS_DEVICE(hpet), 0, HPET_BASE); - for (i = 0; i < GSI_NUM_PINS; i++) { - sysbus_connect_irq(SYS_BUS_DEVICE(hpet), i, gsi[i]); - } - pit_isa_irq = -1; - pit_alt_irq = qdev_get_gpio_in(hpet, HPET_LEGACY_PIT_INT); - rtc_irq = qdev_get_gpio_in(hpet, HPET_LEGACY_RTC_INT); + for (i = 0; i < GSI_NUM_PINS; i++) { + sysbus_connect_irq(SYS_BUS_DEVICE(hpet), i, gsi[i]); } + pit_isa_irq = -1; + pit_alt_irq = qdev_get_gpio_in(hpet, HPET_LEGACY_PIT_INT); + rtc_irq = qdev_get_gpio_in(hpet, HPET_LEGACY_RTC_INT); } *rtc_state = mc146818_rtc_init(isa_bus, 2000, rtc_irq); @@ -1535,6 +1538,20 @@ static void pc_machine_set_pit(Object *obj, bool value, Error **errp) pcms->pit_enabled = value; } +static bool pc_machine_get_hpet(Object *obj, Error **errp) +{ + PCMachineState *pcms = PC_MACHINE(obj); + + return pcms->hpet_enabled; +} + +static void pc_machine_set_hpet(Object *obj, bool value, Error **errp) +{ + PCMachineState *pcms = PC_MACHINE(obj); + + pcms->hpet_enabled = value; +} + static void pc_machine_get_max_ram_below_4g(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) @@ -1585,6 +1602,9 @@ static void pc_machine_initfn(Object *obj) pcms->smbus_enabled = true; pcms->sata_enabled = true; pcms->pit_enabled = true; +#ifdef CONFIG_HPET + pcms->hpet_enabled = true; +#endif pc_system_flash_create(pcms); pcms->pcspk = isa_new(TYPE_PC_SPEAKER); @@ -1705,6 +1725,9 @@ 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, "hpet", + pc_machine_get_hpet, pc_machine_set_hpet); } static const TypeInfo pc_machine_info = { diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c index 0cf22a57ad..13d1628f13 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_enabled = false; } isa_bus_irqs(isa_bus, x86ms->gsi); diff --git a/softmmu/vl.c b/softmmu/vl.c index cb476aa70b..c2281f45a8 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, "hpet=off", false); break; case QEMU_OPTION_no_reboot: no_reboot = 1;